CN115121852A

CN115121852A - Numerical control milling machine

Info

Publication number: CN115121852A
Application number: CN202210589242.3A
Authority: CN
Inventors: 杨伟光
Original assignee: Individual
Current assignee: Huizhou Hengxuan Hardware Products Co ltd
Priority date: 2022-05-27
Filing date: 2022-05-27
Publication date: 2022-09-30
Anticipated expiration: 2042-05-27
Also published as: CN115121852B

Abstract

The invention relates to a numerical control milling machine, which relates to the technical field of numerical control processing and comprises a machine body, wherein a working area which can be isolated from a workshop environment is formed in the machine body, a bottom plate which is fixedly connected with the machine body is fixedly arranged at the bottom of the working area, four vertical lifting cylinders which are arranged in a matrix manner are arranged on the upper side of the bottom plate, a horizontal lifting plate is fixedly connected above the lifting cylinders, clamping mechanisms for fixing and limiting workpieces are symmetrically and movably arranged on two sides of the lifting plate, an adjusting device for adjusting and rotating the positions of the clamping mechanisms is arranged between the upper side of the bottom plate and the lifting plate, and a cleaning device is arranged on the upper side of the lifting plate; the numerical control milling machine clamping device has the advantages that the numerical control milling machine can automatically and conveniently clamp and position a workpiece, the workpiece with different specifications and shapes can be conveniently machined, and the workpiece with different angle machining requirements can be obliquely machined.

Description

Numerical control milling machine

Technical Field

The application relates to the technical field of numerical control machining, in particular to a numerical control milling machine.

Background

The milling machine is a machine tool for milling a workpiece by using a milling cutter. The milling machine can mill planes, grooves, gear teeth, threads and spline shafts, can also process complex molded surfaces, has higher efficiency than a planer, and is widely applied to mechanical manufacturing and repairing departments. With the rapid development of social production and scientific technology, mechanical products are increasingly precise and complex, and particularly mechanical parts required in the fields of space navigation, shipbuilding, military and the like have the characteristics of high precision requirement, complex shape and small batch. The machining of such products requires frequent modification or adjustment of the equipment, and conventional machine tools or highly specialized automated machine tools have not been able to meet these requirements. In order to solve the problems, a novel machine tool, namely a numerical control machine tool, is produced. The novel machine tool has the advantages of strong adaptability, high machining precision, stable machining quality, high production efficiency and the like. It uses the technical achievements of electronic computer, automatic control, servo drive, precision measurement and new mechanical structure. In order to achieve wider practicability, the numerical control milling machine can process workpieces with different specifications and shapes and meet the processing requirements on different angles of the workpieces, the existing numerical control milling machine is still continuously improved and perfected.

In chinese patent publication No. CN112222491A, it discloses a vertical numerically controlled milling machine, which structurally includes a main spindle box, a machine body, a chuck, a workbench, and a base, where the base is fixedly connected with the machine body, the machine body is equipped with the workbench connected with the chuck, and the machine body is further connected with the main spindle box. The chuck can adapt to workpieces to be machined of different specifications by inflating and expanding the inward tire, the expanding amount can be injected with different air volumes according to the workpieces to be machined of different sizes, the expanding inner tire can generate pressure for the liquid storage assembly, the liquid storage assembly provides hydraulic pressure for the clamping group, the clamping group can clamp the workpieces to be machined, the clamping degree is high, excessive clamping can be avoided, the workpieces to be machined have a protection effect, lubricating oil is not needed, adhesion of chips can be avoided, frequent cleaning is not needed, and meanwhile machining precision is improved.

However, the above prior art has the following technical drawbacks: when the workpiece to be machined is machined, the workpiece to be machined is firstly placed into the chuck, pressure is generated through the liquid storage assembly to provide hydraulic pressure for the clamping group arranged in the chuck, and then the clamping group abuts against the workpiece to be machined placed in the chuck, so that the effect of clamping the workpiece to be machined is achieved. At the moment, the drill bit positioned right above the workpiece to be machined descends to vertically machine the workpiece to be machined; although the workpiece can be pre-fixed to ensure that the workpiece does not shift in the actual machining process, a milling cutter of the numerically controlled milling machine can only vertically lift, the chuck plate for fixing the workpiece in the prior art cannot change the angle, namely, the chuck plate can only be always perpendicular to the workbench, and when the cutting angle of the workpiece needs to be adjusted, the workpiece can only be manually adjusted again by an operator and then placed on the workbench again. Based on this, on the basis of the existing vertical numerically controlled milling machine, in order to overcome the technical defects, a space which can be improved still exists.

Disclosure of Invention

In order to make numerically controlled fraise machine can be convenient carry out centre gripping and position adjustment to the work piece by oneself to and be convenient for process the work piece of different specification shapes, can realize carrying out slope processing to the work piece that has different angle processing demands, this application provides a numerically controlled fraise machine.

The application provides a numerically controlled fraise machine adopts following technical scheme:

a numerical control milling machine comprises a machine body, wherein a working area which can be isolated from a workshop environment is formed in the machine body, a bottom plate fixedly connected with the machine body is fixedly arranged at the bottom of the working area, four vertical lifting cylinders which are arranged in a matrix mode are arranged on the upper side of the bottom plate, a horizontal lifting plate is fixedly connected above the lifting cylinders, clamping mechanisms for fixing and limiting workpieces are symmetrically and movably arranged on two sides of the lifting plate, an adjusting device for adjusting and rotating the positions of the clamping mechanisms is arranged between the upper side of the bottom plate and the lifting plate, and the numerical control milling machine further comprises a cleaning device arranged on the upper side of the lifting plate;

the adjusting device comprises a support column, a swing plate, swing air cylinders, sliding plates, limiting plates, a support plate, a rotating motor and a rotating rod, wherein the support column is vertically arranged at the central position of the upper side of the bottom plate, the middle part of the swing plate is rotatably arranged at the upper end of the support column, the two swing air cylinders are symmetrically arranged at two sides of the support column, the bottom of each swing air cylinder is fixedly connected with the upper side of the bottom plate, the other end of each swing air cylinder is movably connected with the swing plate so as to adjust and control the inclination angle of the swing plate, the sliding plates are symmetrically hinged at two ends of the swing plate, the limiting plates are horizontally and symmetrically arranged on the lifting plate facing the direction of the sliding plates, limiting grooves allowing the sliding plates to slide up and down are arranged on the limiting plates, the support plate is fixedly arranged on the sliding plate far away from one side of the lifting plate, the rotating motor is fixedly arranged on the support plate, and the rotating rod is fixedly arranged at the rotating end of the rotating motor, and extends above the lifter plate for connection to a clamping mechanism.

Preferably, the clamping mechanism comprises a limiting ring, a limiting round block, a limiting column, a clamping plate, a push plate, a round rod, a contact block, a return spring, a retractor and a locker, the limiting ring is arranged at the upper end of the sliding plate, the limiting round block is fixedly sleeved on the rotating rod, the outer circumferential surface of the limiting round block is in contact sliding with the inner circumferential surface of the limiting round block, the limiting column is fixedly arranged on the circumferential surface of the limiting round block, a round groove for the sliding of the limiting column is formed in the limiting ring, the clamping plate is fixedly arranged at one end of the rotating rod far away from the rotating motor, the push plate is slidably sleeved on the rotating rod between the limiting round block and the clamping plate, a plurality of round rods are slidably arranged on the clamping plate and the push plate and extend outwards through the clamping plate and the push plate simultaneously, a rectangular hole is formed in the push plate in a penetrating manner for the sliding of the round rod, the contact block is fixedly arranged on the round rod far away from one end of the clamping plate, the spring set of returning force locates on the round bar, one end and splint fixed connection, the other end and conflict piece fixed connection, the contractor is installed on the dwang in order to carry out flexible control to the round bar, the locker is located on the splint.

Preferably, the contractor includes carousel, gag lever post, bull stick, connection rope, spacing ring and U-shaped tooth, the carousel rotates the cover and locates spacing cylinder and rotate on the dwang between the motor, the gag lever post runs through carousel fixed mounting on spacing cylinder, run through on the carousel and set up the annular ring that supplies the gag lever post installation, bull stick fixed mounting is on the carousel towards rotating motor one side, connect the pole fixed connection of rope one end and orientation spacing cylinder one end, the other end runs through rotation cylinder and carousel fixed connection, and is a plurality of spacing ring fixed cover is located on the cylinder, and its interval equals, and is a plurality of U-shaped tooth fixed mounting is in the rectangular hole.

Preferably, the locker comprises a supporting bar, a tooth post, a contact strip, a locking plate, a dovetail block, a driving rack, a semi-circular rod, a locking rack, a reset spring and a reset piece, wherein the supporting bar is symmetrically arranged on one side of the clamping plate close to the push plate and penetrates through the push plate to horizontally extend outwards, the tooth post is rotatably arranged at the horizontally extending end of the two supporting bars, the contact strip is symmetrically arranged on the circumferential surface of the tooth post and obliquely extends towards one side of the push plate to be in sliding contact with the push plate, the locking plate is fixedly arranged on one side of the clamping plate close to the push plate and penetrates through the push plate to be outwards extended, the dovetail block is fixedly arranged at the extending end of the locking plate, the driving rack is slidably arranged on the dovetail block and is meshed with the tooth post, a dovetail groove is formed in the driving rack, the semi-circular rod is fixedly arranged at the top end of the driving rack and extends towards the direction of the clamping plate, and the locking rack is fixedly arranged at one end of the semi-circular rod far away from the driving rack, and downwardly extending runs through the setting of lock plate, reset spring locates between dovetail block and the semicircle pole, one end and dovetail block fixed connection, the other end and semicircle pole fixed connection, the piece that resets is installed on the lock plate.

Preferably, the piece that resets includes locking piece, shrink spring, actuating lever and conflict spring, the locking piece slides and locates in the locking plate, set up the mounting groove on the locking plate and supply the locking piece installation, in the mounting groove was located to the shrink spring, one end and locking piece fixed connection, the other end and mounting groove inner wall fixed connection, the actuating lever pierces through locking plate and locking piece fixed connection, set up the sliding tray with the mounting groove intercommunication on the locking plate to supply the actuating lever horizontal slip, conflict spring symmetry is located on the splint, one end and splint fixed connection, and the other end is contradicted with the push pedal slip.

Preferably, belt cleaning device includes soft base, spacing frame, gas pitcher, trachea and wiper mechanism, soft base is located in the lifter plate, the lifter plate is seted up and is supplied the square groove of soft base installation, spacing frame fixed mounting is on soft base, gas pitcher fixed mounting is on the organism inside wall, the trachea is located between gas pitcher and the lifter plate, one end and gas pitcher fixed connection, and the other end passes lifter plate and soft base fixed connection, wiper mechanism locates square inslot.

Preferably, wiper mechanism includes diffusion roller, shower nozzle, water tank, water pipe, drain and blow off pipe, the diffusion roller rotates to be installed on spacing frame, and is a plurality of shower nozzle fixed mounting is in the square inslot that is in the diffusion roller below, water tank fixed mounting is on the organism inside wall, the water pipe is located between water tank and the lifter plate, one end and water tank fixed connection, and the other end passes lifter plate and shower nozzle fixed connection, the blow off pipe is seted up and is switched on square groove and external on the lifter plate, the blow off pipe sets up on the lifter plate, and one end is connected with the drain, and the other end is connected with the organism.

Preferably, the limiting ring comprises a first half ring, a second half ring, a hinge column and a lock rod, the first half ring and the second half ring are hinged through the hinge column, and the lock rod is arranged on the first half ring and the second half ring to fix the first half ring and the second half ring.

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

1. when a numerical control milling machine is used for processing workpieces, because some workpieces need angle adjustment for inclined processing, and the conventional angle adjustment of the workpieces is generally manual adjustment, certain danger exists and the processing efficiency of the workpieces can be reduced;

2. the clamping mechanism can meet the processing requirements of workpieces with different specifications and shapes, the retractor in the clamping mechanism is started to drive the round rod and the abutting block to move towards the direction of the clamping plate, the workpiece to be processed is placed on the lifting plate, the retractor is closed, the round rod and the abutting block automatically reset under the action of the return spring, part of the round rod and the abutting block can abut against the workpiece to be processed in the resetting process, a primary clamping effect is formed on the workpiece, then the lifting plate is lowered, the angle of the workpiece is adjusted through the adjusting device, after the angle is adjusted, the push plate is pushed, the round rod is limited by the push plate under the action of the limiting ring and the U-shaped teeth in the retractor, and finally, the locker in the clamping mechanism is started to further clamp the workpiece to be processed;

3. in order to further treat the machined part and press from both sides tightly, ensure that the work piece can not shift in the course of working, be provided with the locker in clamping mechanism, after the push pedal is promoted to the round bar is spacing, half round bar in the locker is pressed down, rotate through drive rack drive tooth post, form the drive force to the push pedal in order to order about the conflict strip, make the push pedal remove to splint direction, receive the spacing round bar of push pedal can further remove to the work piece simultaneously, thereby can further press from both sides the work piece, when pressing the half round bar, the locking rack also can the downstream with reset a cooperation, make the conflict strip push pedal always, carry out spacing messenger's it to the push pedal and keep motionless, the realization is to the further tight effect of clamp of work piece.

Drawings

Fig. 1 is an overall schematic view of the present apparatus.

Fig. 2 is a sectional view of the present apparatus.

Fig. 3 is a schematic view of the clamping mechanism.

Fig. 4 is a cross-sectional view of the clamping mechanism components.

FIG. 5 is a schematic view of a shrinker.

Fig. 6 is an enlarged view of the area a in fig. 5.

Figure 7 is a schematic view of the load binder.

Fig. 8 is a first schematic diagram of the resetting piece.

Fig. 9 is a second schematic view of the reset member.

Fig. 10 is a sectional view of the cleaning apparatus.

FIG. 11 is a schematic view of the purge mechanism.

Description of reference numerals: 1. a body; 12. a working area; 13. a base plate; 14. a lifting cylinder; 15. a lifting plate; 2. a clamping mechanism; 3. an adjustment device; 4. a cleaning device; 31. a support pillar; 32. a swing plate; 33. a swing cylinder; 34. a sliding plate; 35. a limiting plate; 36. a support plate; 37. rotating the motor; 38. rotating the rod; 351. a limiting groove; 21. a limiting ring; 22. a limiting round block; 23. a limiting column; 24. a splint; 25. pushing the plate; 26. a round bar; 27. a contact block; 28. a return spring; 5. a retractor; 6. a locker; 211. a circular groove; 251. a rectangular hole; 51. a turntable; 52. a limiting rod; 53. a rotating rod; 54. connecting ropes; 55. a limiting ring; 56. a U-shaped tooth; 511. annular holes; 61. a supporting strip; 62. a toothed column; 63. a contact bar; 64. a lock plate; 65. a dovetail block; 66. a drive rack; 67. a semi-circular rod; 68. a locking rack; 69. a return spring; 7. a reset member; 661. a dovetail groove; 71. a locking block; 72. a retraction spring; 73. a drive rod; 74. against the spring; 641. mounting grooves; 642. a sliding groove; 41. a flexible base; 42. a limiting frame; 43. a gas tank; 44. an air tube; 8. a cleaning mechanism; 151. a square groove; 81. a diffusion roll; 82. a spray head; 83. a water tank; 84. a water pipe; 85. a sewage draining port; 86. a blow-off pipe; 212. a first half ring; 213. a second half ring; 214. a hinged column; 215. a locking bar.

Detailed Description

The present application is described in further detail below with reference to figures 1-11.

The embodiment of the application discloses a numerical control milling machine which can clamp and position a workpiece, is convenient for processing workpieces with different specifications and shapes and can realize inclined processing of workpieces with different angle processing requirements; the machine comprises a machine body 1, wherein a working area 12 which can be isolated from a workshop environment is formed in the machine body 1, a bottom plate 13 which is fixedly connected with the machine body 1 is fixedly arranged at the bottom of the working area 12, four vertical lifting cylinders 14 which are arranged in a matrix manner are arranged on the upper side of the bottom plate 13, a horizontal lifting plate 15 is fixedly connected above the lifting cylinders 14, clamping mechanisms 2 which are used for fixing and limiting workpieces are symmetrically and movably arranged on two sides of the lifting plate 15, an adjusting device 3 which is used for adjusting and rotating the positions of the clamping mechanisms 2 is arranged between the upper side of the bottom plate 13 and the lifting plate 15, and a cleaning device 4 which is arranged on the upper side of the lifting plate 15; firstly, a clamping mechanism 2 is started, a workpiece to be machined is placed on a lifting plate 15, the clamping mechanism 2 can clamp the workpiece on the lifting plate 15, then the lifting plate 15 is lowered through a lifting cylinder 14, the clamped workpiece can be subjected to angle adjustment through starting an adjusting device 3, after the workpiece is machined, the machined workpiece is overturned through the adjusting device 3, the machined position on the workpiece faces a cleaning device 4 installed on the lifting plate 15, the machining position of the workpiece is washed through the cleaning device 4, and the machined debris can be cleaned.

Referring to fig. 1 to 3, in an actual machining process, since some workpieces are machined obliquely by adjusting angles, and the existing workpieces are generally manually adjusted, which is dangerous and reduces the machining efficiency of the workpieces, an adjusting device 3 is arranged in a machine body 1, and the adjusting device 3 includes a supporting column 31, a swinging plate 32, a swinging cylinder 33, a sliding plate 34, a limiting plate 35, a supporting plate 36, a rotating motor 37 and a rotating rod 38; the supporting column 31 is vertically arranged at the central position of the upper side of the bottom plate 13, the middle part of the swinging plate 32 is rotatably arranged at the upper end of the supporting column 31, the two swinging cylinders 33 are symmetrically arranged at two sides of the supporting column 31, the bottom of the swinging cylinder 33 is fixedly connected with the upper side of the bottom plate 13, the other end of the swinging cylinder is movably connected with the swinging plate 32 to adjust and control the inclination angle of the swinging plate 32, the sliding plates 34 are symmetrically hinged at two ends of the swinging plate 32, the limiting plates 35 are horizontally and symmetrically arranged on the lifting plate 15 facing the direction of the sliding plate 34, and the limiting plates 35 are provided with limiting grooves 351 for enabling the sliding plate 34 to slide up and down, and due to the action of the limiting plates 35, the sliding plate 34 can only vertically move up and down when moved by a driving force; the supporting plate 36 is fixedly installed on the sliding plate 34 far away from one side of the lifting plate 15, the rotating motor 37 is fixedly arranged on the supporting plate 36, an installation buckle capable of conveniently and quickly detaching the rotating motor 37 is arranged on the supporting plate 36, and the rotating rod 38 is fixedly installed at the rotating end of the rotating motor 37 and extends above the lifting plate 15 to be connected with the clamping mechanism 2.

When the angle of a workpiece clamped and fixed by the clamping mechanism 2 needs to be adjusted, firstly, the lifting cylinder 14 is started to drive the lifting plate 15 to descend, the clamping mechanism 2 is prevented from being collided with the lifting plate 15 when being rotated by the rotating motor 37, then the rotating motor 37 is started, the clamping mechanism 2 is driven to rotate to a certain angle by the rotating motor 37, then the inclination angle of the swinging plate 32 is adjusted by the swinging cylinder 33, the sliding plate 34 hinged and installed on the swinging plate 32 is driven to slide up and down on the limiting plate 35 by the driving force, and the limiting plate 35 does not influence the sliding plate 34 and a device installed on the sliding plate 34 when limiting the sliding plate 34 by the sliding plate 35 because the sliding plate 34 does not need to move up and down for a large distance; when one sliding plate 34 is arranged on the sliding plates 34 to ascend, the other sliding plate 34 correspondingly descends, because the clamping mechanism 2 is connected with the rotating rod 38, and the rotating motor 37 is fixedly arranged on the sliding plate 34 through the supporting plate 36, when the two sliding plates 34 respectively move up and down simultaneously, the workpiece clamped by the clamping mechanism 2 is driven to rotate in another direction angle, the optimal machining angle of the workpiece is adjusted through two times of overturning in different directions, and finally, after the workpiece is further clamped by the clamping mechanism 2, the workpiece can be machined.

Referring to fig. 3 and 4, in order to clamp and fix workpieces of different specifications and shapes by itself, a clamping mechanism 2 is further installed in the machine body 1, and the clamping mechanism 2 comprises a limiting circular ring 21, a limiting circular block 22, a limiting column 23, a clamping plate 24, a push plate 25, a circular rod 26, a collision block 27, a return spring 28, a retractor 5 and a locker 6; the limiting circular ring 21 is arranged at the upper end of the sliding plate 34, the limiting circular block 22 is fixedly sleeved on the rotating rod 38, the outer circumferential surface of the limiting circular block 22 is abutted to the inner circumferential surface of the limiting circular ring 21 to slide, the limiting column 23 is fixedly arranged on the circumferential surface of the limiting circular block 22, the limiting circular ring 21 is provided with a circular groove 211 for the sliding of the limiting column 23, the limiting circular block 22 can be driven to rotate in the limiting circular ring 21 through the rotating rod 38 when the rotating motor 37 rotates, and the limiting column 23 can further ensure the stability of the limiting circular block 22 rotating in the limiting circular ring 21; the clamping plate 24 is fixedly installed at one end of the rotating rod 38 far away from the rotating motor 37, the push plate 25 is slidably sleeved on the rotating rod 38 between the limiting ring 21 and the clamping plate 24, a sleeved hole on the push plate 25 is rectangular, so that the push plate 25 is not affected by the rotating rod 38 when needing to move, in the embodiment, preferably, 14 round rods 26 are slidably installed on the clamping plate 24 and the push plate 25 and simultaneously penetrate through the clamping plate 24 and the push plate 25 to extend outwards, 14 cylinders are installed at one side, and 28 cylinders are arranged at two sides; run through on the push pedal 25 and seted up rectangular hole 251 in order to supply round bar 26 to slide, the same also not influenced by round bar 26 when push pedal 25 need remove, but normal removal, conflict piece 27 fixed mounting is on keeping away from the round bar 26 of splint 24 one end, return force spring 28 cover is located on round bar 26, one end and splint 24 fixed connection, the other end and conflict piece 27 fixed connection, contractor 5 installs on dwang 38 in order to carry out telescopic control to round bar 26, locker 6 is located on splint 24.

When a workpiece needs to be clamped, firstly, the retractor 5 is rotated to drive the round rod 26 to retract towards the clamping plate 24, so that the workpiece is conveniently placed on the lifting plate 15, after the workpiece is placed on the lifting plate 15, the retractor 5 is released, the round rod 26 can move towards the initial direction to reset under the action of the return spring 28, part of the round rod 26 can collide with the workpiece in the resetting process, at the moment, the workpiece is preliminarily clamped, then the lifting plate 15 is lowered to start the adjusting device 3, the rotating motor 37 on the adjusting device 3 drives the clamping plate 24 fixedly arranged on the rotating rod 38 to rotate so as to adjust the angle of clamping the workpiece, the swinging cylinder 33 is used for driving the swinging plate 32 to incline to carry out angle adjustment towards the other direction on the workpiece again, the angle adjustment towards the workpiece is realized through twice rotation towards different directions of the workpiece, and after the optimal machining angle is adjusted, the push plate 25 is pushed under the action of the retractor 5, the push plate 25 limits the round rod 26 to keep the round rod 26 still, and finally the locker 6 is started to finally clamp and fix the workpiece so as to ensure that the workpiece is not displaced when being processed.

Referring to fig. 5 and 6, since the distance between the round rods 26 on the two side clamping plates 24 needs to be adjusted to facilitate the placement of the workpiece on the lifting plate 15 and the round rods 26 need to be limited and fixed, a retractor 5 is arranged in the clamping mechanism 2, and the retractor 5 comprises a turntable 51, a limiting rod 52, a rotating rod 53, a connecting rope 54, a limiting ring 55 and U-shaped teeth 56; the turntable 51 is rotatably sleeved on the rotating rod 38 between the limiting circular block 22 and the rotating motor 37, the limiting rod 52 penetrates through the turntable 51 and is fixedly installed on the limiting circular block 22, the turntable 51 is provided with a ring hole 511 for installing the limiting rod 52 in a penetrating manner, the diameter of one end, far away from the turntable 51, of the limiting rod 52 is slightly larger so as to limit the turntable 51, the turntable 51 is prevented from moving towards the rotating motor 37, and the turntable 51 cannot be influenced by the limiting rod 52 when rotating due to the existence of the ring hole 511; the rotating rod 53 is fixedly arranged on the rotating disc 51 facing one side of the rotating motor 37, one end of the connecting rope 54 is fixedly connected with the round rod 26 facing one end of the limiting round block 22, the other end of the connecting rope penetrates through the rotating round block to be fixedly connected with the rotating disc 51, and the rotating round block is fixedly sleeved on the rotating rod 38, so that the rotating round block 51 can pull the round rod 26 to move towards the rotating disc 51 through the connecting rope 54, the rotating round block plays a role in limiting the connecting rope 54 at the moment, if the rotating round rod 26 of the rotating disc 51 is loosened, the round rod 26 can move towards the initial position to reset under the action of the return spring 28, and meanwhile, the rotating disc 51 is pulled to rotate to reset; the limiting rings 55 are fixedly sleeved on the round rod 26, the distance between the limiting rings 55 is equal, the limiting rings 55 are sequentially arranged on the round rod 26 at equal intervals, preferably 4U-shaped teeth 56 are fixedly arranged in the rectangular holes 251 in the embodiment, and 4U-shaped teeth 56 are arranged in the rectangular holes 251 through which the round rod 26 penetrates.

Firstly, the turntable 51 is rotated to pull the round rod 26 to move towards the turntable 51 through the connecting rope 54, a workpiece is conveniently placed on the lifting plate 15, after the workpiece is placed, the turntable 51 is loosened, the round rod 26 moves towards the initial direction under the driving force of the return spring 28 to reset, then in the resetting process of the round rod 26, a workpiece can be abutted against some round rods 26 to form clamping force on the workpiece, the workpiece is preliminarily clamped by the round rod 26 at the moment, the force is completely from the driving force of the return spring 28 on the round rod 26, at the moment, the lifting plate 15 can be reduced, the clamping force formed by the return spring 28 on the workpiece can prevent the workpiece from falling off, then the clamping mechanism 2 is subjected to angle adjustment through the adjusting device 3, namely, the workpiece is subjected to angle adjustment, after the optimal machining angle is adjusted, the push plate 25 is pushed to enable the U-shaped teeth 56 in the rectangular hole 251 of the push plate 25 to be inserted between the limiting rings 55 on the round rod 26, so as to fix and limit the round rod 26, and finally, the workpiece is further clamped and fixed through the matching of the push plate 25 and the locker 6.

Referring to fig. 7 and 8, in order to further fix and clamp the workpiece and ensure that the workpiece does not displace during the machining process, a locker 6 is further installed in the clamping mechanism 2, and the locker 6 comprises a support bar 61, a tooth column 62, an abutting bar 63, a locking plate 64, a dovetail block 65, a driving rack 66, a semi-circular rod 67, a locking rack 68, a return spring 69 and a return element 7; the supporting bars 61 are symmetrically arranged on one side of the clamping plate 24 close to the push plate 25 and penetrate through the push plate 25 to horizontally extend outwards, the tooth posts 62 are rotatably arranged at the horizontally extending ends of the two supporting bars 61, the abutting strips 63 are symmetrically arranged on the circumferential surface of the tooth posts 62 and obliquely extend towards one side of the push plate 25 to be in sliding abutting contact with the push plate 25, and when the tooth posts 62 are driven to rotate by a downward driving force, the abutting strips 63 can be driven to form a driving force on the push plate 25 so as to push the push plate 25 towards the clamping plate 24; the locking plate 64 is fixedly arranged on one side, close to the push plate 25, of the clamping plate 24 and penetrates through the push plate 25 to extend outwards, the extending end of the locking plate 64 is arranged in a vertically protruding mode, the push plate 25 is limited so that the push plate can not be separated from the locking plate 64, the dovetail block 65 is fixedly arranged at the extending end of the locking plate 64, the driving rack 66 is slidably arranged on the dovetail block 65 and meshed with the tooth column 62, the dovetail groove 661 is formed in the driving rack 66, the dovetail block 65 and the dovetail groove 661 limit the driving rack 66 to slide vertically only, and the driving rack 66 is meshed with the tooth column 62 all the time; the fixed drive rack 66 top of locating of semicircle pole 67 and extending to splint 24 direction, drive rack 66's one end is kept away from to locking rack 68 fixed mounting in semicircle pole 67, and downwardly extending runs through locking plate 64 and sets up, it is the slope setting that to explain that the tooth on the locking rack 68 is, reset spring 69 is located between dovetail block 65 and the semicircle pole 67, one end and dovetail block 65 fixed connection, the other end and semicircle pole 67 fixed connection, reset spring 69 promotes the driving force that the semicircle pole 67 has the rebound all the time, reset 7 installs on locking plate 64.

After the push plate 25 is pushed to limit and fix the round rod 26 of the push plate 25, the semi-circular rod 67 is pushed to push the driving rack 66 to move downwards, the driving rack 66 can drive the tooth post 62 to rotate while moving downwards, at the same time, the tooth post 62 drives the contact strip 63 to form a pushing force on the push plate 25, the push plate 25 is pushed to move towards the clamping plate 24, the U-shaped teeth 56 are inserted between the limiting rings 55 on the round rod 26 at the moment, so the round rod 26 is driven to further move towards the workpiece while the push plate 25 moves towards the clamping plate 24, the contact block 27 on the round rod 26 can further contact the workpiece, the locking rack 68 also slides downwards on the locking plate 64 while the driving rack 66 moves downwards, after the contact block 27 on the round rod 26 further contacts the workpiece, the driving rack 66 and the locking rack 68 can not move downwards, the locking rack 68 can be matched with the reset piece 7, and the locking rack 68 can not move upwards and downwards, that is, the push plate 25 is kept stationary after moving toward the clamp plate 24, so as to achieve the effect of continuously pressing against the workpiece, and the current clamping mechanism 2 is in a state of completely clamping the workpiece, and the workpiece is not shifted in position when being processed and stressed.

Referring to fig. 8 and 9, since the workpiece needs to be further tightened to be smoothly processed, and the tightening effect on the workpiece needs to be removed after the processing, a reset piece 7 is installed in the locker 6, and the reset piece 7 includes a locking block 71, a contraction spring 72, a driving rod 73, and an abutting spring 74; the locking block 71 is slidably arranged in the locking plate 64, the locking plate 64 is provided with an installation groove 641 for the locking block 71 to be installed, the contraction spring 72 is arranged in the installation groove 641, one end of the contraction spring 72 is fixedly connected with the locking block 71, the other end of the contraction spring is fixedly connected with the inner wall of the installation groove 641, the contraction spring 72 always pushes the locking block 71 in the direction of the locking rack 68, the force of the contraction spring 72 is smaller than the downward moving force of the locking rack 68, the locking block 71 is always abutted against the locking rack 68 due to the existence of the contraction spring 72, and the teeth on the locking rack 68 are obliquely arranged, so that the locking block 71 is pushed to move in the direction of the contraction spring 72 when the locking rack 68 moves downward, and the spacing locking block 71 arranged between the oblique teeth can limit and lock the locking rack 68 through the spacing between the oblique teeth on the locking rack 68; the driving rod 73 penetrates through the locking plate 64 to be fixedly connected with the locking block 71, a sliding groove 642 communicated with the mounting groove 641 is formed in the locking plate 64, so that the driving rod 73 can slide left and right, when the limitation on the locking rack 68 needs to be removed, the driving rod 73 can be pushed to move the locking block 71 towards the direction close to the contraction spring 72, and the limitation on the locking rack 68 can be removed; on splint 24 was located to conflict spring 74 symmetry, one end and splint 24 fixed connection, the other end and push pedal 25 sliding conflict, conflict spring 74 has the motive force that lets it keep away from splint 24 to push pedal 25 all the time, it is less than the driving force that the rotation of tooth post 62 formed push pedal 25 that the power of conflict spring 74 needs to explain.

When the semicircular rod 67 is pressed to push the locking rack 68 to move downwards, the locking rack 68 pushes the locking block 71 towards the installation groove 641 due to the action of the inclined teeth, so that the locking block 71 cannot influence the locking rack 68 when moving downwards, and when the locking rack 68 cannot move downwards due to the action of the retraction spring 72, the locking block 71 can move towards the locking rack 68 to limit the locking rack 68 by utilizing the space between the inclined teeth on the locking rack 68, if the locking rack 68 cannot move downwards, the locking block 71 just abuts against the inclined teeth at the moment, because the return spring 69 always pushes the semicircular rod 67 to have the pushing force of moving upwards, and due to the action of the inclined surface of the inclined teeth on the locking rack 68, the locking block 71 still abuts between the inclined teeth of the locking rack 68 and still has a limiting effect on the locking rack 68, because the distance between the inclined teeth on the locking rack 68 is very small, if the locking rack 68 needs to move upwards for a certain distance, the limiting effect of the locking block 71 is generated, the clamping of the workpiece is not affected; when work piece processing accomplished and need take out the work piece, can stir actuating lever 73 and promote locking piece 71 and slide in to mounting groove 641, locking rack 68 does not receive the restriction of locking piece 71 this moment, reset spring 69 can promote half round bar 67 and drive locking rack 68 rebound, conflict strip 63 no longer forms the motive force to push pedal 25, push pedal 25 can receive the motive force of conflict spring 74, remove to keeping away from splint 24 direction and reset, promote the push pedal again and relieve push pedal 25 to the initial position and to the restriction of round bar 26, rethread contractor 5 pulling round bar 26 lets round bar 26 work piece of contradicting no longer, then it can to take out the work piece.

Referring to fig. 10, since the machined workpiece is adhered with the chips generated during machining, in order to clean the machined workpiece in time and discharge sewage with the chips after cleaning, a cleaning device 4 is arranged on the lifting plate 15, and the cleaning device 4 comprises a flexible base 41, a limit frame 42, a gas tank 43, a gas pipe 44 and a cleaning mechanism 8; in lifter plate 15 was located to soft base 41, lifter plate 15 offered the square groove 151 that supplies soft base 41 to install, spacing frame 42 fixed mounting is on soft base 41, gas pitcher 43 fixed mounting is on 1 inside wall of organism, gas pitcher 43 and lifter plate 15 are located to trachea 44, one end and gas pitcher 43 fixed connection, the other end passes lifter plate 15 and soft base 41 fixed connection, gas pitcher 43 passes through trachea 44 when aerifing to soft base 41, soft base 41 can upwards rise and promote simultaneously that spacing frame 42 rises, wiper mechanism 8 locates in the square groove 151.

After the work piece processing is accomplished, overturn through rotating the work piece on the motor 37 drive clamping mechanism 2, make the belt cleaning device 4 of processing department below on the work piece, lifter plate 15 descends to the extreme lower position this moment, ensure that clamping mechanism 2 can normally overturn, then aerify in to soft base 41 through gas pitcher 43, make soft base 41 promote spacing frame 42 rise and support the back with the work piece, rethread cleaning mechanism 8 washes the work piece, the water stain of washing can receive spacing influence of spacing frame 42 and fall into square groove 151, then concentrate the discharge can.

Referring to fig. 10 and 11, in order to clean the processed workpiece and discharge the cleaned sewage collectively, a cleaning mechanism 8 is further provided in the cleaning device 4, and the cleaning mechanism 8 includes a diffusion roller 81, a spray head 82, a water tank 83, a water pipe 84, a sewage drain 85, and a sewage drain 86; diffusion roller 81 rotates and installs on spacing frame 42, it should be explained that diffusion roller 81 comprises for the multi-disc long blade, preferably 6 shower nozzles 82 fixed mounting are in the square groove 151 that is in diffusion roller 81 below in this embodiment, 6 shower nozzles 82 are equidistant setting in proper order, water tank 83 fixed mounting is on organism 1 inside wall, water pipe 84 locates between water tank 83 and the lifter plate 15, one end and water tank 83 fixed connection, the other end passes lifter plate 15 and shower nozzle 82 fixed connection, drain 85 is seted up and is switched on square groove 151 and the external world on lifter plate 15, blow off pipe 86 sets up on lifter plate 15, one end is connected with drain 85, the other end is connected with organism 1.

After spacing frame 42 rises, open shower nozzle 82 and spout the water in the water tank 83 to the diffusion roller 81 through water pipe 84 on, the long blade on the diffusion roller 81 can take place to rotate after receiving the impulsive force of water, the realization is diffused the work piece with shower nozzle 82 spun water on through diffusion roller 81, form the abluent effect of multiple ranges, and the effect that has clastic sewage to receive spacing frame 42 after the washing-out falls into square groove 151, concentrate the inflow blow off pipe 86 through the drain 85 in square groove 151 and arrange to organism 1 on and collect the processing in unison.

Referring back to fig. 4, since the limiting post 23 needs to be more conveniently mounted on the limiting circular block 22, the limiting circular ring 21 is composed of a plurality of components, and the limiting circular ring 21 includes a first half ring 212, a second half ring 213, a hinge post 214 and a lock rod 215; the first half ring 212 and the second half ring 213 are hinged by a hinge pin 214, and the lock rod 215 is disposed on the first half ring 212 and the second half ring 213 to fix them. When the limiting column 23 is installed, the lock rod 215 is pulled out to turn over the first half ring 212, the limiting column 23 is installed on the limiting circular block 22, then the first half ring 212 is pulled to return to the initial position, and then the lock rod 215 locks and fixes the first half ring 212 and the second half ring 213 to form a circular ring for the limiting circular block 22 to rotate inside.

The implementation principle of the embodiment is as follows:

(1): clamping and fixing: the method comprises the steps that firstly, a retractor 5 in a clamping mechanism 2 is started to drive a round rod 26 and a contact block 27 to move towards a clamping plate 24, then a workpiece is placed on a lifting plate 15, the round rod 26 of the retractor 5 and the contact block 27 are closed to automatically reset under the action of a return spring 28, part of the round rod 26 and the contact block 27 can contact the workpiece to be machined in the resetting process, a primary clamping effect is formed on the workpiece, then the lifting plate 15 is lowered, the angle of the workpiece is adjusted through an adjusting device 3, after the angle is adjusted, a push plate 25 is pushed to limit the round rod 26, and finally, a locker 6 in the clamping mechanism 2 is started to further clamp the workpiece;

(2): angle adjustment: the lifting plate 15 is driven to descend by the lifting cylinder 14, the rotating motor 37 is started to drive the clamping mechanisms 2 to rotate to the angle to be adjusted, then the swinging cylinder 33 is started to adjust the positions of the two clamping mechanisms 2, and the workpiece is turned over twice in different directions and angles to achieve the effect of adjusting the angle of the workpiece;

(3): cleaning: after the work piece processing is accomplished, overturn through rotating the work piece on the motor 37 drive clamping mechanism 2, make the belt cleaning device 4 of processing department below on the work piece, lifter plate 15 descends to the extreme low position this moment, ensure that clamping mechanism 2 can normally overturn, then aerify in to soft base 41 through gas pitcher 43, make soft base 41 promote spacing frame 42 rise and support the back with the work piece, 8 shower nozzles 82 of rethread cleaning mechanism and diffusion roller 81 wash the work piece, the water stain of washing can receive spacing influence of spacing frame 42 and fall into square groove 151, then concentrate the discharge through blow off pipe 86.

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

Claims

1. The utility model provides a numerical control milling machine, includes organism (1), be formed with in organism (1) can with workshop environment isolated workspace (12), be located workspace (12) bottom fixed mounting have with organism (1) fixed connection's bottom plate (13), bottom plate (13) upside is provided with four vertical lift cylinders (14) that are the matrix arrangement, is located the top rigid coupling of lift cylinder (14) has a horizontal lift board (15), the bilateral symmetry movable mounting of lifter board (15) has fixes spacing clamping mechanism (2) to the work piece be equipped with between bottom plate (13) upside and lifter board (15) and adjust pivoted adjusting device (3) to clamping mechanism (2) position, still including belt cleaning device (4) that are located lifter board (15) upside, its characterized in that:

the adjusting device (3) comprises a supporting column (31), a swinging plate (32), a swinging cylinder (33), a sliding plate (34), a limiting plate (35), a supporting plate (36), a rotating motor (37) and a rotating rod (38), wherein the supporting column (31) is vertically arranged at the central position of the upper side of the bottom plate (13), the middle part of the swinging plate (32) is rotatably arranged at the upper end of the supporting column (31), the swinging cylinders (33) are symmetrically arranged at two sides of the supporting column (31), the bottom of the swinging cylinder (33) is fixedly connected with the upper side of the bottom plate (13), the other end of the swinging cylinder is movably connected with the swinging plate (32) so as to adjust and control the inclination angle of the swinging plate (32), the sliding plate (34) is symmetrically hinged at two ends of the swinging plate (32), and the limiting plate (35) is horizontally and symmetrically arranged on the lifting plate (15) towards the direction of the sliding plate (34), and a limiting groove (351) for enabling the sliding plate (34) to slide up and down is formed in the limiting plate (35), the supporting plate (36) is fixedly installed on the sliding plate (34) far away from one side of the lifting plate (15), the rotating motor (37) is fixedly arranged on the supporting plate (36), and the rotating rod (38) is fixedly installed at the rotating end of the rotating motor (37) and extends above the lifting plate (15) to be connected with the clamping mechanism (2).

2. A numerically controlled fraise machine according to claim 1, wherein: the clamping mechanism (2) comprises a limiting circular ring (21), a limiting circular block (22), a limiting column (23), a clamping plate (24), a push plate (25), a circular rod (26), a collision block (27), a return spring (28), a retractor (5) and a locking device (6), wherein the limiting circular ring (21) is installed at the upper end of a sliding plate (34), the limiting circular block (22) is fixedly sleeved on a rotating rod (38), the outer circumferential surface of the limiting circular block (22) is in collision sliding with the inner circumferential surface of the limiting circular block (21), the limiting column (23) is fixedly installed on the circumferential surface of the limiting circular block (22), a circular groove (211) for the limiting column (23) to slide is formed in the limiting circular ring (21), the clamping plate (24) is fixedly installed at one end, far away from a rotating motor (37), of the rotating rod (38), of the push plate (25) is slidably sleeved on the rotating rod (38) between the limiting circular ring (21) and the clamping plate (24), a plurality of round bar (26) slidable mounting is on splint (24) and push pedal (25) to run through splint (24) and push pedal (25) simultaneously and outwards stretch out, run through on push pedal (25) and seted up rectangular hole (251) and slide in order to supply round bar (26), support touch multitouch (27) fixed mounting is on round bar (26) of keeping away from splint (24) one end, return spring (28) cover is located on round bar (26), one end and splint (24) fixed connection, the other end and support touch multitouch (27) fixed connection, contractor (5) are installed on dwang (38) in order to carry out flexible control to round bar (26), locker (6) are located on splint (24).

3. A numerically controlled fraise machine according to claim 2, wherein: the retractor (5) comprises a turntable (51), a limiting rod (52), a rotating rod (53), a connecting rope (54), a limiting ring (55) and a U-shaped tooth (56), the turntable (51) is rotatably sleeved on the rotating rod (38) between the limiting round block (22) and the rotating motor (37), the limiting rod (52) penetrates through the turntable (51) and is fixedly installed on the limiting round block (22), a ring hole (511) for installing the limiting rod (52) is formed in the turntable (51) in a penetrating mode, the rotating rod (53) is fixedly installed on the turntable (51) facing one side of the rotating motor (37), one end of the connecting rope (54) is fixedly connected with the round rod (26) facing one end of the limiting round block (22), the other end of the connecting rope penetrates through the rotating round block and is fixedly connected with the turntable (51), the limiting ring (55) is fixedly sleeved on the round rod (26), and the distance between the limiting ring (55) and the limiting ring is equal, and a plurality of U-shaped teeth (56) are fixedly arranged in the rectangular hole (251).

4. A numerically controlled fraise machine according to claim 2, wherein: locker (6) include support bar (61), tooth post (62), conflict strip (63), lock plate (64), forked tail piece (65), drive rack (66), semi-circle bar (67), locking rack (68), reset spring (69) and reset piece (7), support bar (61) symmetry is installed in splint (24) and is close to one side of push pedal (25) and runs through outside horizontal extension of push pedal (25), tooth post (62) rotate the horizontal extension end of locating two support bars (61), it extends in order to contradict with push pedal (25) slip to support touch strip (63) symmetry install in tooth post (62) circumferential surface and extend to push pedal (25) one side slope, lock plate (64) fixed mounting is close to push pedal (25) one side and runs through push pedal (25) and outwards extends the setting in splint (24), forked tail piece (65) fixed mounting is in lock plate (64) extension end, drive rack (66) slidable mounting is on dovetail piece (65) and meshes mutually with tooth post (62), dovetail (661) have been seted up on drive rack (66), semi-circular rod (67) are fixed to be located drive rack (66) top and extend to splint (24) direction, the one end of drive rack (66) is kept away from in semi-circular rod (67) to downwardly extending runs through locking plate (64) and sets up, reset spring (69) are located between dovetail piece (65) and semi-circular rod (67), one end and dovetail piece (65) fixed connection, the other end and semi-circular rod (67) fixed connection, reset piece (7) are installed on locking plate (64).

5. A numerically controlled fraise machine according to claim 4, wherein: the reset piece (7) comprises a locking block (71), a contraction spring (72), a driving rod (73) and an abutting spring (74), the locking block (71) is arranged in the locking plate (64) in a sliding way, an installation groove (641) is arranged on the locking plate (64) for installing the locking block (71), the contraction spring (72) is arranged in the installation groove (641), one end of the contraction spring is fixedly connected with the locking block (71), the other end of the contraction spring is fixedly connected with the inner wall of the installation groove (641), the driving rod (73) penetrates through the locking plate (64) and is fixedly connected with the locking block (71), the locking plate (64) is provided with a sliding groove (642) communicated with the mounting groove (641), for the actuating lever (73) horizontal slip, conflict spring (74) symmetry is located on splint (24), one end and splint (24) fixed connection, and the other end is contradicted with push pedal (25) slip.

6. A numerically controlled fraise machine according to claim 1, wherein: cleaning device (4) include soft base (41), spacing frame (42), gas pitcher (43), trachea (44) and wiper mechanism (8), lifter plate (15) is located in soft base (41), square groove (151) that supply soft base (41) to install are seted up in lifter plate (15), spacing frame (42) fixed mounting is on soft base (41), gas pitcher (43) fixed mounting is on organism (1) inside wall, between gas pitcher (43) and lifter plate (15) are located in trachea (44), one end and gas pitcher (43) fixed connection, and the other end passes lifter plate (15) and soft base (41) fixed connection, wiper mechanism (8) are located in square groove (151).

7. A numerically controlled fraise machine according to claim 6, wherein: the cleaning mechanism (8) comprises a diffusion roller (81), a spray head (82), a water tank (83), a water pipe (84), a sewage outlet (85) and a sewage pipe (86), the diffusion roller (81) is rotatably arranged on the limiting frame (42), the plurality of spray heads (82) are fixedly arranged in the square groove (151) positioned below the diffusion roller (81), the water tank (83) is fixedly arranged on the inner side wall of the machine body (1), the water pipe (84) is arranged between the water tank (83) and the lifting plate (15), one end of the water pipe is fixedly connected with the water tank (83), the other end of the water pipe penetrates through the lifting plate (15) to be fixedly connected with the spray head (82), the sewage outlet (85) is arranged on the lifting plate (15) to communicate the square groove (151) with the outside, the sewage draining pipe (86) is arranged on the lifting plate (15), one end of the sewage draining pipe is connected with the sewage draining port (85), and the other end of the sewage draining pipe is connected with the machine body (1).

8. A numerically controlled fraise machine according to claim 2, wherein: the limiting ring (21) comprises a first half ring (212), a second half ring (213), a hinge column (214) and a lock rod (215), the first half ring (212) and the second half ring (213) are arranged in a hinged mode through the hinge column (214), and the lock rod (215) is arranged on the first half ring (212) and the second half ring (213) to fix the first half ring and the second half ring.