CN112720030A

CN112720030A - Numerical control machine tool convenient to operate and using method thereof

Info

Publication number: CN112720030A
Application number: CN202011576611.2A
Authority: CN
Inventors: 侯宝林
Original assignee: Individual
Current assignee: Hunan Jiansheng Cnc Machine Tool Co ltd
Priority date: 2020-12-28
Filing date: 2020-12-28
Publication date: 2021-04-30
Anticipated expiration: 2040-12-28
Also published as: CN112720030B

Abstract

The invention discloses a numerical control machine tool convenient to operate and a using method thereof, and the numerical control machine tool is characterized in that: the output end of the first three-phase motor drives the first input shaft to rotate through the coupler, the first input shaft further enables the first driving gear to rotate on the meshed rack plates, so that the object carrying plates are driven to slide out of the operation cavity, feeding and discharging of workpieces to be processed are facilitated, time and labor are saved, the feeding and discharging speed is improved, the second input shaft enables the second driving gear to rotate, the second driving gear drives the meshed driven gears to rotate, the driven gears rotate and further enable the bidirectional threaded rod to rotate, the bidirectional threaded rod rotates and drives the two clamping plates, the two clamping plates are made to be far away from or close to each other along the direction of the horizontal guide rod, and then the workpieces to be processed are clamped and fixed through the plurality of limiting columns, the lifting cylinder and the limiting springs instead of manually screwing the bolt and nut.

Description

Numerical control machine tool convenient to operate and using method thereof

Technical Field

The invention relates to the technical field of numerical control machine tools, in particular to a numerical control machine tool convenient to operate and a using method thereof.

Background

The numerically controlled machine tool is one kind of automatic machine tool with program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. The numerical control machine tool sends various control signals through operation processing to control the action of the machine tool, and automatically processes parts according to the shape and the size required by a drawing, the numerical control machine tool well solves the problem of complex, precise, small-batch and multi-variety part processing, is a flexible and high-efficiency automatic machine tool, represents the development direction of the modern machine tool control technology, is a typical mechanical and electrical integration product, and the operation and monitoring of the numerical control machine tool are all completed in the numerical control unit, and is the brain of the numerical control machine tool, compared with the common machine tool, the brain of the numerical control machine tool has the characteristics of strong adaptability to processing objects, adaptability to single piece production of products such as dies and the like, provides a proper processing method for manufacturing the dies, has stable processing quality, can carry out multi-coordinate linkage, can process parts with complex shapes, and generally only needs to change numerical control programs when the processed parts are changed, the production preparation time can be saved.

Among the prior art, the overwhelming majority of digit control machine tools lack corresponding last unloading mechanism, make and wait to process the work piece and rely on the manpower to make a round trip to carry completely when upper and lower lathe, not only waste time and energy, also have certain danger, and current lathe need treat processing work piece centre gripping when processing man-hour, nevertheless rely on operating personnel to carry out the manual bolt nut of twisting when pressing from both sides processing work piece almost completely, this clamping process has occupied a large amount of time in the whole processing engineering, on the other hand presss from both sides the tight atress condition of clamp because of unable directly perceived grasp work piece easily when pressing from both sides the work piece, then lead to treating that processing work piece is destroyed or the extrusion takes place deformation easily, be unfavorable for the lathe to process operations such as sculpture, therefore, we have publicly found a.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides the numerical control machine tool convenient to operate, which has the advantages of being convenient for clamping and fixing workpieces to be processed, being capable of clamping workpieces to be processed with different sizes and rules and the like, and solves the problem of complex operation.

(II) technical scheme

In order to achieve the purpose, the invention provides the following technical scheme: a numerical control machine tool convenient to operate comprises a machine tool body, wherein an operation cavity is formed in one side of the machine tool body, a rectangular groove and a placing groove are formed in the operation cavity, the rectangular groove is meshed with the placing groove, a first three-phase motor is fixedly connected in the placing groove, a coupler is fixedly connected to the output end of the first three-phase motor, one end of the coupler is fixedly connected with a first input shaft, one end of the first input shaft is fixedly connected with a first driving gear, two sliding grooves are formed in the rectangular groove, the two sliding grooves are communicated with the operation cavity and the rectangular groove, a plurality of first fixing shafts which are uniformly distributed are fixedly connected to the sides, close to each other, in the two sliding grooves, a rolling column is rotatably sleeved on the first fixing shafts, a loading plate is arranged in the operation cavity, and two sliding strips are fixedly connected to the bottom of the loading plate, two the slide all with two the position of sliding tray is corresponding, and two the slide all is located relative position the sliding tray is interior, the top fixedly connected with rack plate of year thing board, rack plate with first driving gear intermeshing.

Preferably, a guide groove is formed in the inner wall of the bottom of the machine tool body and communicated with the operation cavity, four fixing columns are fixedly connected to the bottom of the object carrying plate, connecting shafts are fixedly connected to one sides, close to each other, of the two fixing columns in the same relative position, guide wheels are rotatably sleeved on the two connecting shafts, the positions of the two guide wheels correspond to those of the guide groove, and one sides of the two guide wheels are located in the guide groove.

Preferably, the top of the object carrying plate is fixedly connected with a first fixing plate and a second fixing plate, the first fixing plate corresponds to the second fixing plate in position, the top of the object carrying plate is provided with a plurality of second fixing shafts which are uniformly distributed, the second fixing shafts are rotatably sleeved with rolling balls, one side, close to each other, of the first fixing plate and one side, close to the second fixing plates, of the second fixing shafts are fixedly connected with the same baffle, and the bottom end of the baffle is connected with the object carrying plate.

Preferably, one side of baffle is connected with a plurality of the one end of second fixed axle is connected, and is a plurality of be equipped with same bearing platform on the roll ball, the bearing bench is last fixedly connected with a plurality of spacing posts that distribute evenly, and is a plurality of the slip chamber has all been seted up on the top of spacing post, and is a plurality of the lift section of thick bamboo has all been cup jointed fixedly in the slip chamber, and is a plurality of spacing post and a plurality of equal fixedly connected with spacing spring in the lift section of thick bamboo, the both ends of a plurality of spacing spring respectively with spacing post the lift section of thick bamboo is connected.

Preferably, be equipped with on the bearing platform and wait to process the work piece, first fixed plate with the second fixed plate one side that is close to each other has all seted up the commentaries on classics hole, two change downthehole internal rotation and be connected with same two-way threaded rod, one of them is run through to the one end of two-way threaded rod change the hole, and extend to one of them outside the commentaries on classics hole, it has two splint, two to rotate the spiro union on the two-way threaded rod the through-hole has all been seted up on the lateral wall of one side that splint are.

Preferably, the through holes are sleeved with the same horizontal guide rod in a sliding mode, two ends of the horizontal guide rod are respectively connected with the first fixing plate and the second fixing plate, one side, close to each other, of each clamping plate is fixedly connected with a pressure sensor, one side of each pressure sensor is respectively in contact with one side of the workpiece to be processed, and the top of the object carrying plate is fixedly connected with a vertical plate.

Preferably, one side of the vertical plate is connected with the first fixing plate, the second fixing plate and the plurality of second fixing shafts, the top end of the vertical plate is fixedly connected with a central processing unit, two sides of the central processing unit are electrically connected with pressure conduction lines, one end of each pressure conduction line is connected with two pressure sensors, and the top end of the vertical plate is provided with a chute.

Preferably, the top of carrying the thing board has seted up the arc wall, the top fixedly connected with base of carrying the thing board, the top fixedly connected with second three phase motor of base, the output fixedly connected with shaft coupling of second three phase motor, the one end fixedly connected with second input shaft of shaft coupling, the one end fixedly connected with second driving gear of second input shaft, the position of second driving gear with the position of arc wall is corresponding.

Preferably, a rotary groove is formed in one side of the second fixing plate, a driven gear is fixedly connected to one end of the bidirectional threaded rod, one end of the driven gear is located in the inclined groove, the driven gear is meshed with the second driving gear, and a control line is electrically connected to one side of the central processing unit.

Preferably, one end of the control line is electrically connected with one end of the second three-phase motor, a pneumatic telescopic arm is fixedly connected to the inner wall of one side of the operation cavity, a milling cutter is fixedly connected to one end of the pneumatic telescopic arm, and the position of the milling cutter corresponds to the position of the workpiece to be machined.

(III) advantageous effects

Compared with the prior art, the invention provides the numerical control machine tool convenient to operate, and the numerical control machine tool has the following beneficial effects:

1. this digit control machine tool of convenient operation, through starting first three phase motor, first three phase motor's output passes through the shaft coupling and drives first input shaft rotation, and first input shaft and then makes first driving gear rotate on the rack board of engaged with mutually to the drive carries the thing board, makes to carry the thing board and slides out the operation intracavity, thereby is convenient for wait to process the work piece and goes up unloading, and labour saving and time saving has improved the speed of material loading and unloading.

2. This digit control machine tool of convenient operation, through starting the second three-phase, the output of second three-phase motor passes through the coupling ware and drives the second input shaft rotation, and the second input shaft and then makes the second driving gear rotate, the second driving gear drives engaged with driven gear and rotates, and driven gear rotates and then makes two-way threaded rod rotate, and two-way threaded rod rotates and drives two splint for two splint keep away from each other or are close to along the direction of horizontal guide arm, and then through the setting of a plurality of spacing posts, a lift section of thick bamboo and spacing spring, thereby replace manual twisting bolt nut to treat to process the work piece and carry out the centre gripping fixed.

3. This digit control machine tool of convenient operation, treat through two splint and process the work piece and carry out the centre gripping fixed, make the both sides of treating the work piece contact with pressure sensor respectively, when two splint last are close to treat the work piece and carry out the centre gripping extrusion, both sides pressure sensor passes through the pressure conduction line and spreads into the signal into in the central processing unit, central processing unit passes through the control line and spreads into the signal into in the second three-phase motor, and then make the second three-phase motor close and stop, stop the rotation of second driving gear and driven gear, thereby can directly perceivedly master the atress condition of treating the work piece, prevent to be extruded to take place to warp.

4. This digit control machine tool of convenient operation through two-way threaded rod, two splint, a plurality of roll ball, a plurality of spacing post and a lift section of thick bamboo and the setting of a plurality of spacing spring to can the different rules of centre gripping and the size work piece of treating processing process.

5. This digit control machine tool of convenient operation through the setting of two sliding tray, slide bar, a plurality of rolling post and guide way and leading wheel to the slip of carrying the thing board has been made things convenient for.

Drawings

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

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

FIG. 3 is a schematic perspective view of the present invention;

FIG. 4 is a schematic perspective view of the present invention;

FIG. 5 is a schematic perspective view of the present invention;

FIG. 6 is a schematic perspective view of the present invention;

FIG. 7 is a schematic perspective view of the present invention;

FIG. 8 is a schematic perspective view of the present invention;

FIG. 9 is a schematic perspective view of the present invention;

FIG. 10 is a schematic perspective view of the present invention;

fig. 11 is a schematic perspective view of the present invention.

In the figure: 1. a machine tool body; 2. an operating chamber; 3. a rectangular groove; 4. a placement groove; 5. a first three-phase motor; 6. a first input shaft; 7. a first drive gear; 8. a sliding groove; 9. a first fixed shaft; 10. a rolling post; 11. a loading plate; 12. a slide bar; 13. a rack plate; 14. a guide groove; 15. fixing a column; 16. a guide wheel; 17. a first fixing plate; 18. a second fixing plate; 19. a second fixed shaft; 20. a rolling ball; 21. a baffle plate; 22. a bearing table; 23. a limiting column; 24. a sliding cavity; 25. a lifting cylinder; 26. a limiting spring; 27. a workpiece to be processed; 28. a bidirectional threaded rod; 29. a horizontal guide rod; 30. a splint; 31. a pressure sensor; 32. a vertical plate; 33. a central processing unit; 34. a pressure conducting wire; 35. a chute; 36. a driven gear; 37. an arc-shaped slot; 38. A base; 39. a second three-phase motor; 40. a second input shaft; 41. a second driving gear; 42. A control line; 43. a pneumatic telescopic arm; 44. provided is a milling cutter.

Detailed Description

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

As described in the background of the invention, there are disadvantages in the prior art, and in order to solve the above technical problems, the present application provides a numerical control machine tool which is convenient to operate

In a typical embodiment of the present application, as shown in fig. 1-11, a numerically controlled machine tool convenient to operate comprises a machine tool body 1, an operation cavity 2 is formed on one side of the machine tool body 1, a rectangular groove 3 and a placement groove 4 are formed in the operation cavity 2, the rectangular groove 3 is engaged with the placement groove 4, a first three-phase motor 5 is fixedly connected in the placement groove 4, a shaft coupling is fixedly connected to an output end of the first three-phase motor 5, a first input shaft 6 is fixedly connected to one end of the shaft coupling, a first driving gear 7 is fixedly connected to one end of the first input shaft 6, two sliding grooves 8 are formed in the rectangular groove 3, the two sliding grooves 8 are both communicated with the operation cavity 2 and the rectangular groove 3, a plurality of first fixed shafts 9 uniformly distributed are fixedly connected to one side of the two sliding grooves 8 close to each other, a rolling column 10 is rotatably sleeved on each of the plurality of first fixed shafts 9, be equipped with in the operation chamber 2 and carry thing board 11, carry two sliding strips 12 of the bottom fixedly connected with of thing board 11, two sliding strips 12 all correspond with two sliding tray 8's position, and two sliding strips 12 all are located relative position's sliding tray 8, carry the top fixedly connected with rack plate 13 of thing board 11, rack plate 13 and first driving gear 7 intermeshing.

Further, in above-mentioned scheme, the guide way 14 has been seted up to the bottom inner wall of lathe body 1, guide way 14 is linked together with operation chamber 2, carry four fixed columns 15 of bottom fixedly connected with of thing board 11, the equal fixedly connected with connecting axle in one side that two fixed columns 15 of same relative position are close to each other, all rotate on two connecting axles and cup jointed leading wheel 16, the position of two leading wheels 16 all is corresponding with the position of guide way 14, and one side of two leading wheels 16 all is located guide way 14.

Further, in the above scheme, the top of the object carrying plate 11 is fixedly connected with a first fixing plate 17 and a second fixing plate 18, the positions of the first fixing plate 17 and the second fixing plate 18 correspond to each other, the top of the object carrying plate 11 is provided with a plurality of second fixing shafts 19 which are uniformly distributed, the plurality of second fixing shafts 19 are rotatably sleeved with rolling balls 20, one side of the first fixing plate 17, which is close to the second fixing plate 18, is fixedly connected with a same baffle plate 21, and the bottom end of the baffle plate 21 is connected with the object carrying plate 11.

Further, in the above scheme, one side of baffle 21 is connected with the one end of a plurality of second fixed axles 19, be equipped with same bearing platform 22 on a plurality of rolling balls 20, a plurality of spacing posts 23 that distribute evenly of fixedly connected with on the bearing platform 22, sliding chamber 24 has all been seted up on the top of a plurality of spacing posts 23, all fixed the having cup jointed a lift section of thick bamboo 25 in a plurality of sliding chamber 24, equal fixedly connected with spacing spring 26 in a plurality of spacing posts 23 and a plurality of lift section of thick bamboo 25, the both ends of a plurality of spacing spring 26 respectively with spacing post 23, lift section of thick bamboo 25 is connected, through the setting of a plurality of rolling balls 20, be convenient for bearing platform 22's slip, and is further, through a plurality of lift sections of thick bamboo 25, spacing post 23 and spacing spring 26's setting, can the different specifications of centre gripping and the size work piece 27 of waiting.

Further, in the above scheme, be equipped with on the bearing platform 22 and wait to process work piece 27, first fixed plate 17 has all seted up with one side that second fixed plate 18 is close to each other and has changeed the hole, two change downthehole rotations and be connected with same two-way threaded rod 28, one of them commentaries on classics hole is run through to the one end of two threaded rod 28, and extend to outside one of them commentaries on classics hole, it has two splint 30 to rotate the spiro union on the two-way threaded rod 28, the through-hole has all been seted up on the lateral wall of one side that two splint 30 are close to each other, setting through two-way threaded rod 28 and two splint 30.

Further, in the above scheme, the same horizontal guide rod 29 is slidably sleeved in the two through holes, two ends of the horizontal guide rod 29 are respectively connected with the first fixing plate 17 and the second fixing plate 18, one side of each of the two clamping plates 30, which is close to each other, is fixedly connected with a pressure sensor 31, one side of each of the two pressure sensors 31 is respectively in contact with one side of the workpiece 27 to be processed, the top of the object carrying plate 11 is fixedly connected with a vertical plate 32, and the stress degree of the workpiece 27 to be processed can be sensed through the arrangement of the pressure sensors 31.

Further, in the above scheme, one side of the vertical plate 32 is connected to the first fixing plate 17, the second fixing plate 18 and the plurality of second fixing shafts 19, the top end of the vertical plate 32 is fixedly connected to the central processing unit 33, both sides of the central processing unit 33 are electrically connected to the pressure conduction lines 34, one ends of the two pressure conduction lines 34 are respectively connected to the two pressure sensors 31, the top end of the vertical plate 32 is provided with the inclined groove 35, and the signal of the pressure sensors 31 can be conveniently received through the arrangement of the central processing unit 33.

Further, in the above scheme, arc 37 has been seted up at the top of carrying thing board 11, the top fixedly connected with base 38 of carrying thing board 11, the top fixedly connected with second three phase motor 39 of base 38, the output fixedly connected with shaft coupling of second three phase motor 39, the one end fixedly connected with second input shaft 40 of shaft coupling, the one end fixedly connected with second driving gear 41 of second input shaft 40, the position of second driving gear 41 is corresponding with the position of arc 37, through the setting of arc 37, be convenient for second driving gear 41's rotation.

Further, in the above scheme, a rotary groove is formed in one side of the second fixing plate 18, the driven gear 36 is fixedly connected to one end of the bidirectional threaded rod 28, one end of the driven gear 36 is located in the inclined groove 35, the driven gear 36 is meshed with the second driving gear 41, the control line 42 is electrically connected to one side of the central processor 33, and the driven gear 36 can rotate conveniently through the arrangement of the inclined groove 35, the driven gear 36 and the second driving gear 41 which are meshed with each other.

Further, in the above scheme, one end of the control wire 42 is electrically connected to one end of the second three-phase motor 39, a pneumatic telescopic arm 43 is fixedly connected to one side inner wall of the operation chamber 2, a milling cutter 44 is fixedly connected to one end of the pneumatic telescopic arm 43, and the position of the milling cutter 44 corresponds to the position of the workpiece 27 to be machined.

When the automatic feeding device is used, the first three-phase motor 5 is started, the output end of the first three-phase motor 5 drives the first input shaft 6 to rotate through the coupler, the first input shaft 6 further enables the first driving gear 7 to rotate on the meshed rack plates 13, and therefore the carrying plate 11 is driven, the carrying plate 11 slides out of the operation cavity 2, feeding and discharging of a workpiece 27 to be processed are facilitated, time and labor are saved, and the feeding and discharging speed is increased; the second three-phase motor 39 is started, the output end of the second three-phase motor 39 drives the second input shaft 40 to rotate through the coupler, the second input shaft 40 further enables the second driving gear 41 to rotate, the second driving gear 41 drives the driven gear 36 which is meshed with the second driving gear 41 to rotate, the driven gear 36 rotates to further enable the bidirectional threaded rod 28 to rotate, the bidirectional threaded rod 28 rotates to drive the two clamping plates 30, the two clamping plates 30 are enabled to be mutually far away or close to each other along the direction of the horizontal guide rod 29, and further the workpiece 27 to be processed is clamped and fixed through the arrangement of the limiting columns 23, the lifting cylinder 25 and the limiting spring 26 instead of manually screwing the bolts and nuts.

The workpiece 27 to be processed is clamped and fixed through the two clamping plates 30, so that two sides of the workpiece 27 to be processed are respectively contacted with the pressure sensors 31, when the two clamping plates 30 are continuously close to the workpiece 27 to be processed for clamping and extruding, the pressure sensors 31 on the two sides transmit signals into the central processing unit 33 through the pressure conducting wires 34, the central processing unit 33 transmits the signals into the second three-phase motor 39 through the control wires 42, the second three-phase motor 39 is closed and stopped, the rotation of the second driving gear 41 and the driven gear 36 is stopped, the stress condition of the workpiece 27 to be processed can be intuitively mastered, and the extruded workpiece 27 is prevented from being deformed; through the arrangement of the bidirectional threaded rod 28, the two clamping plates 30, the plurality of rolling balls 20, the plurality of limiting columns 23, the lifting cylinder 25 and the plurality of limiting springs 26, workpieces 27 to be machined with different rules and sizes can be clamped for machining; the sliding of the carrier plate 11 is facilitated by the arrangement of the two sliding grooves 8, the sliding bar 12, the plurality of rolling posts 10, and the guide grooves 14 and the guide wheels 16.

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

Claims

1. The utility model provides a digit control machine tool of convenient operation, includes lathe body (1), its characterized in that: an operation cavity (2) is formed in one side of the machine tool body (1), a rectangular groove (3) and a placing groove (4) are formed in the operation cavity (2), the rectangular groove (3) is meshed with the placing groove (4), a first three-phase motor (5) is fixedly connected in the placing groove (4), a coupler is fixedly connected to the output end of the first three-phase motor (5), a first input shaft (6) is fixedly connected to one end of the coupler, a first driving gear (7) is fixedly connected to one end of the first input shaft (6), two sliding grooves (8) are formed in the rectangular groove (3), the two sliding grooves (8) are communicated with the operation cavity (2) and the rectangular groove (3), and a plurality of first fixing shafts (9) which are uniformly distributed are fixedly connected to one sides of the two sliding grooves (8) which are close to each other, it is a plurality of all rotate on first fixed axle (9) and cup jointed roller (10), be equipped with in operation chamber (2) and carry thing board (11), carry two sliding strip (12) of bottom fixedly connected with of thing board (11), two sliding strip (12) all with two the position of sliding tray (8) is corresponding, and two sliding strip (12) all are located relative position in sliding tray (8), carry the top fixedly connected with rack plate (13) of thing board (11), rack plate (13) with first driving gear (7) intermeshing.

2. A numerically controlled machine tool facilitating operation according to claim 1, wherein: the inner wall of the bottom of the machine tool body (1) is provided with a guide groove (14), the guide groove (14) is communicated with the operation cavity (2), the bottom of the object carrying plate (11) is fixedly connected with four fixing columns (15), two fixing columns (15) at the same relative position are fixedly connected with a connecting shaft on one side close to each other, the connecting shafts are rotatably sleeved with guide wheels (16), the positions of the guide wheels (16) correspond to the positions of the guide groove (14), and one side of each guide wheel (16) is located in the guide groove (14).

3. A numerically controlled machine tool facilitating operation according to claim 2, wherein: carry first fixed plate (17) of top fixedly connected with and second fixed plate (18) of thing board (11), first fixed plate (17) with the position of second fixed plate (18) is corresponding, the top of carrying thing board (11) is equipped with a plurality of second fixed axles (19) that distribute evenly, and is a plurality of all rotate on second fixed axle (19) and cup jointed roll ball (20), first fixed plate (17) with one side fixedly connected with same baffle (21) that second fixed plate (18) are close to each other, the bottom of baffle (21) with it is connected to carry thing board (11).

4. A numerically controlled machine tool facilitating operation according to claim 3, wherein: one side of baffle (21) is with a plurality of the one end of second fixed axle (19) is connected, and is a plurality of be equipped with same bearing platform (22) on rolling ball (20), bearing platform (22) are gone up a plurality of spacing posts (23) that distribute evenly of fixedly connected with, and are a plurality of sliding chamber (24) have all been seted up on the top of spacing post (23), and are a plurality of sliding chamber (24) interior equal fixed a lift section of thick bamboo (25) that has cup jointed, it is a plurality of spacing post (23) and a plurality of equal fixedly connected with spacing spring (26) in lift section of thick bamboo (25), the both ends of a plurality of spacing spring (26) respectively with spacing post (23) lift section of thick bamboo (25) are connected.

5. A numerically controlled machine tool facilitating operation according to claim 4, wherein: be equipped with on bearing platform (22) and wait to process work piece (27), first fixed plate (17) with the hole that changes has all been seted up to one side that second fixed plate (18) are close to each other, two change downthehole internal rotation and be connected with same two-way threaded rod (28), one end of two-way threaded rod (28) is run through one of them the hole that changes, and extend to one of them change outside the hole, it has two splint (30), two to rotate the spiro union on two-way threaded rod (28) all seted up the through-hole on the lateral wall of one side that splint (30) are close to each other.

6. A numerically controlled machine tool facilitating operation according to claim 5, wherein: two slide in the through-hole and cup jointed same horizontal guide arm (29), the both ends of horizontal guide arm (29) respectively with first fixed plate (17) second fixed plate (18) are connected, two the equal fixedly connected with pressure sensor (31) in one side that splint (30) are close to each other, two one side of pressure sensor (31) respectively with the one side of waiting to process work piece (27) contacts, carry top fixedly connected with vertical plate (32) of thing board (11).

7. A numerically controlled machine tool facilitating operation according to claim 6, wherein: one side of vertical plate (32) all with first fixed plate (17), second fixed plate (18) and a plurality of second fixed axle (19) are connected, the top fixedly connected with central processing unit (33) of vertical plate (32), the equal electrically connected with pressure conduction line (34) in both sides of central processing unit (33), two the one end of pressure conduction line (34) respectively with two pressure sensor (31) are connected, chute (35) have been seted up on the top of vertical plate (32).

8. A numerically controlled machine tool facilitating operation according to claim 7, wherein: arc wall (37) have been seted up at the top of carrying thing board (11), carry top fixedly connected with base (38) of thing board (11), the top fixedly connected with second three phase motor (39) of base (38), the output fixedly connected with shaft coupling of second three phase motor (39), the one end fixedly connected with second input shaft (40) of shaft coupling, the one end fixedly connected with second driving gear (41) of second input shaft (40), the position of second driving gear (41) with the position of arc wall (37) is corresponding.

9. A numerically controlled machine tool facilitating operation according to claim 8, wherein: the rotary groove is formed in one side of the second fixing plate (18), a driven gear (36) is fixedly connected to one end of the bidirectional threaded rod (28), one end of the driven gear (36) is located in the inclined groove (35), the driven gear (36) is meshed with the second driving gear (41), and a control line (42) is electrically connected to one side of the central processing unit (33).

10. A numerically controlled machine tool facilitating operation according to claim 9, wherein: one end of the control wire (42) is electrically connected with one end of the second three-phase motor (39), a pneumatic telescopic arm (43) is fixedly connected to the inner wall of one side of the operation cavity (2), a milling cutter (44) is fixedly connected to one end of the pneumatic telescopic arm (43), and the position of the milling cutter (44) corresponds to the position of the workpiece (27) to be machined.