CN210756652U

CN210756652U - High-efficient CNC machining center

Info

Publication number: CN210756652U
Application number: CN201921591661.0U
Authority: CN
Inventors: 刘建俊; 蒋赟鑫; 宁祥春
Original assignee: Changzhou Qingyuan Machinery Technology Co ltd
Current assignee: Changzhou Qingyuan Machinery Technology Co ltd
Priority date: 2019-09-23
Filing date: 2019-09-23
Publication date: 2020-06-16
Anticipated expiration: 2029-09-23

Abstract

The utility model discloses a high-efficient CNC machining center, it includes the lathe and establishes the workstation in the lathe, the lathe is equipped with the band conveyer who runs through the lathe along width direction, two sets of horizontal slideways have been seted up along length direction's bilateral symmetry to the lathe inside, every horizontal slideway of group includes two single slides, the single slide internal rotation is connected with the lead screw, the one end of lead screw is equipped with the motor, be equipped with the movable plate between two single slides, be equipped with the lift cylinder on the movable plate, the movable plate below is equipped with the lifter plate, the piston rod of lift cylinder is fixed on the lifter plate, the inside vacuum cavity of having seted up of lifter plate, the induction port has been seted up at the lifter plate bottom, be equipped with the sucking disc on the induction port. The utility model discloses the technical effect who has is: the automatic feeding and discharging of the workpieces are realized, the working strength is reduced, the working efficiency is improved, and the workpieces are fixed firmly, so that the machining precision and quality of the workpieces are improved.

Description

High-efficient CNC machining center

Technical Field

The utility model relates to a lathe work piece processing field, in particular to high-efficient CNC machining center.

Background

The CNC machining center is a high-efficiency automatic machine tool which consists of mechanical equipment and a numerical control system and is suitable for machining complex parts. The functions of milling, boring, drilling, tapping, cutting threads and the like are integrated on one device, so that the device has multiple technological means.

The chinese patent that publication is CN109986401A discloses a CNC numerical control machine tool that work piece location is strong, its structure includes main part and cutting knife, the lower extreme of main part is fixed with the base, the operation case is installed to the upper end of base, the surperficial intermediate position of operation case is provided with the operation chamber door, the surface interlude of operation chamber door has the visual window, the inside bottom surface of operation case is fixed with horizontal spout, the inside of horizontal spout slides has horizontal slider, the upper surface both sides of horizontal slider are fixed with the baffle, the inside fixed surface of baffle has flexible post, the other end of flexible post is fixed with the locating plate, the inner wall top surface of operation case is fixed with the fixed plate, the inside of fixed plate is fixed with vertical lead screw, the surface of vertical lead screw registrates the sliding block, the lower extreme of sliding block is fixed with lift cylinder, the below of lift cylinder.

The above prior art solutions have the following drawbacks: present CNC digit control machine tool, operating personnel need move the work piece to the digit control machine tool in the operation in-process, then place on horizontal slider, treat the work piece processing completion back, take down the work piece from horizontal slider again, then take out from the digit control machine tool, and the material loading of whole operation and ejection of compact process are whole to rely on the manual work to go to accomplish, and working strength is big and work efficiency is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a high-efficient CNC machining center, its advantage is: realize the automatic material loading and the ejection of compact to the work piece, alleviate working strength, improve work efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions: a high-efficiency CNC machining center comprises a machine tool, a cutting head arranged at the top of the machine tool and a workbench arranged inside the machine tool, wherein station windows are arranged on two sides of the machine tool in the width direction, a belt conveyor penetrating through the machine tool is arranged on the machine tool in the width direction and is arranged below the workbench, two groups of transverse slideways are symmetrically arranged on two side walls of the machine tool in the length direction, each group of transverse slideways comprises two single slideways respectively arranged on two sides of the workbench in the width direction, a lead screw is rotatably connected in each single slideway in the length direction, a motor is arranged at one end of each lead screw, a movable plate is arranged between each two opposite single slideways, two ends of the movable plate are respectively connected to the two lead screws through movable block threads, and a lifting cylinder movable plate with a piston rod penetrating downwards is arranged at the middle position of the movable, the improved lathe is characterized in that a lifting plate parallel to the moving plate is arranged below the moving plate, a piston rod of a lifting air cylinder is fixed on the lifting plate, a vacuum cavity is formed in the lifting plate, a plurality of air suction ports communicated with the vacuum cavity are formed in the bottom of the lifting plate along the length direction, a sucker is connected to each air suction port, an air outlet communicated with the vacuum cavity is formed in the top of the lifting plate, an air pipe is connected to the air outlet, a vacuum pump is arranged on the side wall inside the lathe, and one end, far away from the lifting plate, of the air.

Through the technical scheme, a workpiece to be machined is conveyed into a machine tool by a belt conveyor, then a motor is started to drive a screw rod to rotate, the screw rod rotates to drive a moving block to move on the screw rod and further drive a moving plate to move right above the workpiece, at the moment, a lifting cylinder is driven, a piston rod of the lifting cylinder pushes a lifting plate to move downwards to abut against the upper surface of the workpiece, then a vacuum pump is started to vacuumize, so that a sucker firmly sucks the workpiece, then the lifting cylinder is driven to pull the lifting plate and the workpiece to move upwards, the motor is started to move the workpiece to be placed on a workbench, at the moment, the vacuum pump is stopped to work, so that the workpiece is separated from the sucker, then the moving plate is driven by the motor to be away from the workbench, a space is provided for the workpiece machining head, and after the workpiece is machined by a cutting, and is conveyed out of the machine tool by a belt conveyor. Automatic feeding and discharging of workpieces are achieved in the whole machining process, working strength is greatly reduced, and working efficiency is improved.

The utility model discloses further set up to: the bilateral symmetry along length direction at lifter plate top is equipped with two guide bars that upwards run through the movable plate, the one end that the lifter plate was kept away from to the guide bar is equipped with the stopper.

Through the technical scheme, when the lifting plate moves up and down, the guide rods on the two sides play a role in guiding the lifting plate, so that the possibility of shaking during the moving process of the lifting plate is reduced, and the moving stability of the lifting plate is improved.

The utility model discloses further set up to: the workstation bottom is rotated along width direction's both sides and is connected with the deflector roll, the workstation below still rotates through L shape muscle and is connected with the lower deflector roll corresponding with last deflector roll, the belt of band conveyer top is worn to establish between last deflector roll and lower deflector roll.

By the technical scheme, the upper guide roller can prevent the belt above the belt conveyor from rubbing with the bottom of the workbench, so that the possibility of abrasion of the belt is reduced, and the service life of the belt is prolonged; the lower guide roller plays a supporting role for the belt above the belt conveyor, the possibility that the belt is pressed by the workpiece to sink is reduced, and therefore the conveying stability of the belt conveyor for the workpiece is improved.

The utility model discloses further set up to: and a damping pad is arranged on one side wall of the working table at the input end of the belt conveyor.

Through above-mentioned technical scheme, when the work piece was carried to the workstation by band conveyer, will collide with the workstation lateral wall, can alleviate the vibrations that the collision produced effectively through setting up the shock pad to can also reduce because of the possibility of collision noise generation.

The utility model discloses further set up to: the workbench is symmetrically provided with two fixing plates along the two sides of the length direction, one side of each fixing plate, which deviates from each other, is provided with a direct-push cylinder with a piston rod penetrating through the fixing plates, and the piston rod of the direct-push cylinder is fixedly connected with a clamping plate.

Through the technical scheme, when a workpiece is machined, the direct-push air cylinders on the two sides can be driven simultaneously, so that the piston rod of the direct-push air cylinder pushes the clamping plates to move towards the workpiece until the two clamping plates abut against the two sides of the workpiece respectively, the workpiece is stably fixed on the workbench, the possibility of deviation of the position of the workpiece in the machining process of the workpiece is reduced, and the machining precision of the workpiece is further guaranteed.

The utility model discloses further set up to: and rubber pads are arranged on the opposite sides of the two clamping plates.

Through above-mentioned technical scheme, the rubber pad that sets up can increase the frictional force between clamping board and the work piece to improve the clamping stability of clamping board to the work piece.

The utility model discloses further set up to: still be equipped with the dress liquid groove of storage cutting fluid on the inside lateral wall of lathe, dress liquid groove internally mounted has miniature pump, be connected with the water pipe on miniature pump's the delivery port, the one end that miniature pump was kept away from to the water pipe is fixed on the cutting head, the outage that runs through the workstation is seted up to four edges and corners of workstation, inside just being located the band conveyer below of lathe is equipped with the waste liquid groove.

Through the technical scheme, in the process of machining the workpiece, the cutting fluid is continuously sprayed to the cutting head and the workpiece through the water pipe, the effect of lubricating and cooling is achieved, chips on the workpiece and the workbench can also be cleaned, and the cleaned waste fluid is downwards discharged into the waste fluid groove through the fluid discharge hole, so that the cleanliness of the workpiece and the workbench is improved.

The utility model discloses further set up to: the two sides of the workbench along the width direction are provided with surrounding edges, and the bottom of the liquid discharge hole is connected with a liquid discharge pipe used for guiding waste liquid to be discharged into the waste liquid groove.

Through above-mentioned technical scheme, the surrounding edge that sets up can prevent effectively that the waste liquid is direct to flow to the belt from the workstation both sides on, and leads to the belt moist, and the guide waste liquid that the fluid-discharge tube can be smooth simultaneously discharges downwards to the waste liquid inslot to further reduced the possibility that the belt is infected with to the waste liquid, guaranteed the dry and comfortable cleanness of belt.

The utility model discloses further set up to: the lathe along one side of length direction set up with the inside groove of taking out of lathe, waste liquid groove is installed along width direction's both sides bottom and is removed the wheel, be equipped with the guide rail that supplies to remove the wheel removal on the tank bottom of taking out the groove, be equipped with the handle on the lateral wall of waste liquid groove.

Through above-mentioned technical scheme, can stimulate the handle, take waste liquid groove out from lathe inside to the convenience is to empting and the convenient washing to waste liquid groove of waste liquid groove inside waste liquid groove.

The utility model discloses further set up to: the device comprises a belt conveyor, a material collecting box is arranged below the inclined side of the output end of the belt conveyor, and a guide plate which is inclined downwards and used for guiding a workpiece to slide into the material collecting box is further arranged on the belt conveyor.

Through the technical scheme, the machined workpieces are conveyed out of the machine tool by the belt conveyor and then slide into the material collecting box along the guide plate in a centralized manner, so that the workpieces can be conveniently collected by operators.

To sum up, the utility model discloses following beneficial effect has:

1. the automatic feeding and discharging of the workpieces are realized in the whole machining process, the working strength is greatly reduced, the working efficiency is improved, and the workpieces are firmly fixed, so that the machining precision and quality of the workpieces are improved;

2. the upper guide roller can prevent the belt above the belt conveyor from rubbing with the bottom of the workbench, so that the possibility of abrasion of the belt is reduced, and the service life of the belt is prolonged; the lower guide roller plays a supporting role for the belt above the belt conveyor, so that the possibility of belt sinking caused by pressing the belt by the workpiece is reduced, and the conveying stability of the belt conveyor for the workpiece is improved;

3. when the workpiece is conveyed to the workbench by the belt conveyor, the workpiece collides with the side wall of the workbench, the vibration generated by the collision can be effectively reduced by arranging the shock absorption pad, and the possibility of noise generated by the collision can be reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

FIG. 2 is a schematic view showing the structure of the liquid-charging tank according to the present embodiment.

Fig. 3 is a schematic structural diagram of the upper guide roller and the lower guide roller of the present embodiment.

Fig. 4 is a schematic structural diagram for embodying the lifting plate in the present embodiment.

Fig. 5 is a sectional view of the structure for embodying the inside of the lifter plate according to the present embodiment.

Fig. 6 is a schematic structural diagram for embodying the workbench in this embodiment.

Fig. 7 is a schematic structural diagram for embodying the slot drawing in the present embodiment.

Reference numerals: 1. a machine tool; 2. a cutting head; 3. a work table; 4. a station window; 5. a belt conveyor; 6. a transverse slideway; 7. a single slideway; 8. a screw rod; 9. a motor; 10. moving the plate; 11. a moving block; 12. a lifting cylinder; 13. a lifting plate; 14. a vacuum chamber; 15. an air suction port; 16. a suction cup; 17. an air outlet; 18. an air tube; 19. a vacuum pump; 20. a guide bar; 21. a limiting block; 22. an upper guide roller; 23. l-shaped ribs; 24. a lower guide roller; 25. a shock pad; 26. a fixing plate; 27. a direct push cylinder; 28. clamping the plate; 29. a rubber pad; 30. a liquid charging groove; 31. a micro water pump; 32. a water pipe; 33. a drain hole; 34. a waste liquid tank; 35. surrounding edges; 36. a liquid discharge pipe; 37. drawing the groove; 38. a moving wheel; 39. a guide rail; 40. a handle; 41. a material collecting box; 42. a guide plate.

Detailed Description

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

Example (b): a high-efficiency CNC machining center is disclosed, as shown in figures 1 and 2, and comprises a machine tool 1, a cutting head 2 arranged at the top of the machine tool 1 and a rectangular workbench 3 fixed inside the machine tool 1, wherein both sides of the machine tool 1 in the width direction are provided with station windows 4, the machine tool 1 is erected with a belt conveyor 5 penetrating through the machine tool 1 in the width direction, the belt conveyor 5 is positioned below the workbench 3, both sides of the bottom of the workbench 3 in the width direction are rotatably connected with upper guide rollers 22 (as shown in figure 3), so that a belt above the belt conveyor 5 can be prevented from being rubbed with the bottom of the workbench 3, the possibility of belt abrasion is reduced, the service life of the belt is prolonged, two groups of transverse slideways 6 are symmetrically arranged on both side walls of the machine tool 1 in the length direction, each group of transverse slideways 6 comprises two single slideways 7 respectively arranged on both sides of the workbench 3 in the width direction, a screw rod 8 is rotatably connected, one end of each lead screw 8 is fixedly connected with a motor 9, a moving plate 10 is arranged between the two opposite single slideways 7, and two ends of the moving plate 10 are respectively in threaded connection with the two lead screws 8 through moving blocks 11.

As shown in fig. 4 and 5, a lifting cylinder 12 with a piston rod penetrating through the moving plate 10 downward is fixedly installed at the middle position of the moving plate 10, a lifting plate 13 parallel to the moving plate 10 is fixedly connected to the piston rod of the lifting cylinder 12, a vacuum cavity 14 is formed inside the lifting plate 13, an air outlet 17 communicated with the vacuum cavity 14 is formed at the top of the lifting plate 13, a vacuum pump 19 (shown in fig. 1) is installed on the side wall inside the machine tool 1 (shown in fig. 1), an air pipe 18 is connected to an air inlet of the vacuum pump 19, one end of the air pipe 18 far away from the vacuum pump 19 is connected to the air outlet 17, three air suction ports 15 communicated with the vacuum cavity 14 are formed at the bottom of the lifting; and the guide rods 20 which upwards penetrate through the moving plate 10 are symmetrically arranged on the top of the lifting plate 13 along the two sides of the length direction, so that a guide effect can be achieved on the lifting plate 13, the possibility of shaking in the moving process of the lifting plate 13 is reduced, the up-and-down moving stability of the lifting plate 13 is improved, and the limiting block 21 is fixed at one end, far away from the lifting plate 13, of the guide rods 20, so that the situation that the top of the guide rods 20 slides away from the moving plate 10 is avoided.

As shown in fig. 6, two fixing plates 26 are symmetrically arranged on two sides of the working table 3 along the length direction, a straight pushing cylinder 27 with a piston rod penetrating through the fixing plates 26 is fixedly installed on one side of the two fixing plates 26, which is away from each other, and a clamping plate 28 for clamping a workpiece is fixedly connected to the piston rod of the straight pushing cylinder 27, so that the workpiece can be stably fixed on the working table 3, the possibility of position deviation of the workpiece in the machining process is reduced, and the machining precision of the workpiece is further ensured; and rubber pads 29 are arranged on the opposite sides of the two clamping plates 28, so that the friction force between the clamping plates 28 and the workpiece can be increased, and the clamping stability of the clamping plates 28 to the workpiece can be improved.

As shown in fig. 1, a square material collecting box 41 is placed obliquely below one side of the output end of the belt conveyor 5, and a guide plate 42 which is obliquely downward and used for guiding the workpiece to slide into the material collecting box 41 is further fixed on the belt conveyor 5.

Referring to fig. 1 and 6, in the working process, a workpiece to be machined is conveyed into a machine tool 1 by a belt conveyor 5, then an operator starts a motor 9 to drive a screw rod 8 to rotate, the screw rod 8 rotates to drive a moving block 11 to move on the screw rod 8, further drives a moving plate 10 to move right above the workpiece, drives a lifting cylinder 12 at the moment, pushes a lifting plate 13 to move downwards to be tightly abutted against the upper surface of the workpiece by a piston rod of the lifting cylinder 12, then starts a vacuum pump 19 to vacuumize, so that a suction cup 16 (shown in fig. 4) firmly sucks the workpiece, then drives the lifting cylinder 12 to pull the lifting plate 13 and the workpiece to move upwards, starts the motor 9 to move the workpiece to be placed on a workbench 3, stops the vacuum pump 19 to work at the moment, so that the workpiece is separated from the suction cup 16, then drives the moving plate 10 to be far away from the workbench 3 by the motor 9, vacates a space for machining the workpiece, the piston rod of the direct-push cylinder 27 pushes the clamping plates 28 to move towards the workpiece until the two clamping plates 28 are respectively tightly abutted against the two sides of the workpiece, so that the position of the workpiece can be fixed, and the workpiece can be machined.

As shown in fig. 1, when the machining is completed, the workpiece is moved onto the belt conveyor 5 again by the reverse operation process, and is conveyed out of the machine tool 1 by the belt conveyor 5, and then slides along the guide plate 42 into the collection box 41, so that the workpiece can be collected by the operator conveniently. Automatic feeding and discharging of workpieces are achieved in the whole machining process, working strength is greatly reduced, and working efficiency is improved.

As shown in fig. 1, a shock-absorbing pad 25 is provided on a side wall of the table 3 at the input end of the belt conveyor 5, so that when a workpiece is conveyed to the table 3 by the belt conveyor 5, the workpiece will collide with the side wall of the table 3, the shock caused by the collision can be effectively reduced by providing the shock-absorbing pad 25, and the possibility of noise generation due to the collision can also be reduced.

As shown in fig. 1 and fig. 3, in addition, a lower guide roller 24 corresponding to the upper guide roller 22 is rotatably connected below the working table 3 through an L-shaped rib 23, a belt above the belt conveyor 5 is arranged between the upper guide roller 22 and the lower guide roller 24 in a penetrating manner, and the lower guide roller 24 can play a supporting role on the belt above the belt conveyor 5, so that the possibility that the belt is sunk due to the pressing of a workpiece on the belt is reduced, and the conveying stability of the belt conveyor 5 on the workpiece is improved.

As shown in fig. 1 and 6, a cylindrical liquid containing tank 30 for storing cutting liquid is fixed on the side wall inside the machine tool 1, a micro water pump 31 (as shown in fig. 2) is installed on the bottom wall inside the liquid containing tank 30, a rubber water pipe 32 is connected to a water outlet of the micro water pump 31, one end of the water pipe 32, which is far away from the micro water pump 31, is fixedly connected to the cutting head 2, liquid discharge holes 33 which penetrate through the worktable 3 downwards are formed at four corners of the worktable 3, a square waste liquid tank 34 is arranged inside the machine tool 1 and below the belt conveyor 5, a drawing tank 37 (as shown in fig. 7) communicated with the inside of the machine tool 1 is formed at one side of the machine tool 1 along the length direction, moving wheels 38 are installed at the bottoms of two sides of the waste liquid tank 34 along the width direction, a guide rail 39 for moving the moving wheels 38 is arranged at the bottom of.

Referring to fig. 1 and 6, during the processing of the workpiece, the micro water pump 31 (see fig. 2) can be started to continuously spray the cutting fluid to the cutting head 2 and the workpiece through the water pipe 32, so as to perform the lubricating and cooling functions on the one hand, and also clean the workpiece and the chips on the worktable 3 to improve the cleanliness of the workpiece and the worktable 3 on the other hand, and the cleaned waste fluid will be discharged downwards into the waste fluid tank 34 through the fluid discharge hole 33, and the operator can pull the handle 40 to draw the waste fluid tank 34 out of the machine tool 1, so as to facilitate the dumping of the waste fluid in the waste fluid tank 34 and the cleaning of the waste fluid tank 34.

As shown in fig. 6, in addition, the surrounding edges 35 arranged on the two sides of the workbench 3 in the width direction can effectively prevent waste liquid from directly flowing out to the belt from the two sides of the workbench 3, so that the belt is wet; meanwhile, the liquid discharge pipe 36 connected to the bottom of the liquid discharge hole 33 can smoothly guide the waste liquid to be discharged downwards into the waste liquid tank 34, thereby further reducing the possibility that the belt is contaminated by the waste liquid and ensuring the dryness and cleanness of the belt.

The operation process is as follows: a workpiece to be processed is conveyed into a machine tool 1 by a belt conveyor 5, then a motor 9 is started to drive a screw rod 8 to rotate, the screw rod 8 rotates to drive a moving block 11 to move on the screw rod 8, and further drive a moving plate 10 to move right above the workpiece, at the moment, a lifting cylinder 12 is driven, a piston rod of the lifting cylinder 12 pushes a lifting plate 13 to move downwards until the lifting plate is tightly abutted against the upper surface of the workpiece, then a vacuum pump 19 is started to vacuumize, so that a suction cup 16 firmly sucks the workpiece, then the lifting cylinder 12 is driven to pull the lifting plate 13 and the workpiece to move upwards, the motor 9 is started to move the workpiece to be placed on a workbench 3, at the moment, the vacuum pump 19 is stopped to work, so that the workpiece is separated from the suction cup 16, then the motor 9 drives the lifting cylinder 10 to be away from the workbench 3, a space is vacated for processing the workpiece, then the moving plate simultaneously drives straight push cylinders, until the two clamping plates 28 are respectively abutted against the two sides of the workpiece, the position of the workpiece can be fixed, the workpiece can be machined at this time, and after the machining is finished, the workpiece is moved onto the belt conveyor 5 again through the reverse operation process, is conveyed out of the machine tool 1 by the belt conveyor 5, and then slides into the material collecting box 41 along the guide plate 42, so that an operator can conveniently collect the workpiece.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. An efficient CNC machining center comprises a machine tool (1), a cutting head (2) arranged at the top of the machine tool (1) and a workbench (3) arranged inside the machine tool (1), and is characterized in that: station windows (4) are respectively arranged on two sides of the machine tool (1) along the width direction, a belt conveyor (5) penetrating through the machine tool (1) is arranged on the machine tool (1) along the width direction, the belt conveyor (5) is arranged below the workbench (3), two groups of transverse slideways (6) are symmetrically arranged on two side walls of the machine tool (1) along the length direction, each group of transverse slideways (6) comprises two single slideways (7) respectively arranged on two sides of the workbench (3) along the width direction, a lead screw (8) is rotatably connected in each single slideway (7), a motor (9) is arranged at one end of each lead screw (8), a movable plate (10) is arranged between every two opposite single slideways (7), two ends of each movable plate (10) are respectively connected to the two lead screws (8) through threads of a movable block (11), and a lifting cylinder (12) with a piston rod penetrating through the movable plate (10) downwards is arranged at the middle position of each, the improved lathe is characterized in that a lifting plate (13) parallel to the moving plate (10) is arranged below the moving plate (10), a piston rod of a lifting cylinder (12) is fixed on the lifting plate (13), a vacuum cavity (14) is formed inside the lifting plate (13), a plurality of suction ports (15) communicated with the vacuum cavity (14) are formed in the bottom of the lifting plate (13) along the length direction, a suction disc (16) is connected to each suction port (15), a gas outlet (17) communicated with the vacuum cavity (14) is formed in the top of the lifting plate (13), a gas pipe (18) is connected to each gas outlet (17), a vacuum pump (19) is arranged on the side wall inside the lathe (1), and one end, far away from the lifting plate (13), of the gas pipe (18) is connected to the.

2. The high efficiency CNC machining center of claim 1 wherein: two guide rods (20) which upwards penetrate through the moving plate (10) are symmetrically arranged on the top of the lifting plate (13) along the two sides of the length direction, and a limiting block (21) is arranged at one end, far away from the lifting plate (13), of each guide rod (20).

3. The high efficiency CNC machining center of claim 1 wherein: workstation (3) bottom is rotated along width direction's both sides and is connected with deflector roll (22), workstation (3) below still rotates through L shape muscle (23) and is connected with lower deflector roll (24) corresponding with upper deflector roll (22), the belt of band conveyer (5) top is worn to establish at upper deflector roll (22) and between lower deflector roll (24).

4. The high efficiency CNC machining center of claim 3 wherein: and a damping pad (25) is arranged on one side wall of the workbench (3) positioned at the input end of the belt conveyor (5).

5. The high efficiency CNC machining center of claim 1 wherein: workstation (3) are equipped with two fixed plates (26) along length direction's bilateral symmetry, two one side that fixed plate (26) deviate from each other all is equipped with piston rod and runs through straight push cylinder (27) of fixed plate (26), fixedly connected with clamping plate (28) on the piston rod of straight push cylinder (27).

6. The high efficiency CNC machining center of claim 5 wherein: and rubber pads (29) are arranged on the opposite sides of the two clamping plates (28).

7. The high efficiency CNC machining center of claim 1 wherein: still be equipped with dress cistern (30) of storage cutting fluid on the inside lateral wall of lathe (1), dress cistern (30) internally mounted has miniature pump (31), be connected with water pipe (32) on the delivery port of miniature pump (31), the one end that miniature pump (31) were kept away from in water pipe (32) is fixed on cutting head (2), outage (33) that run through workstation (3) are seted up to four edges and corners of workstation (3), lathe (1) inside just is located band conveyer (5) below and is equipped with waste liquid groove (34).

8. The high efficiency CNC machining center of claim 7 wherein: the two sides of the workbench (3) in the width direction are provided with surrounding edges (35), and the bottom of the liquid discharge hole (33) is connected with a liquid discharge pipe (36) for guiding waste liquid to be discharged into a waste liquid tank (34).

9. The high efficiency CNC machining center of claim 8 wherein: lathe (1) along one side of length direction offer with inside intercommunication of lathe (1) take out groove (37), waste liquid groove (34) are installed along width direction's both sides bottom and are removed wheel (38), be equipped with on the tank bottom of taking out groove (37) and supply to remove guide rail (39) that wheel (38) removed, be equipped with on the lateral wall of waste liquid groove (34) handle (40).

10. The high efficiency CNC machining center of claim 1 wherein: the device is characterized in that a material collecting box (41) is arranged obliquely below one side of the output end of the belt conveyor (5), and a guide plate (42) which is obliquely downward and used for guiding a workpiece to slide into the material collecting box (41) is further arranged on the belt conveyor (5).