阅读说明：本技术 一种高精度数控机床 (High-precision numerical control machine tool ) 是由 乐鹏 于 2021-10-20 设计创作，主要内容包括：本发明公开了一种高精度数控机床,包括机架、下调节组件、工作台、升降架、上调节组件、机器箱、切削刃和驱动组件,所述下调节组件设于机架上,所述工作台设于下调节组件上,所述升降架设于机架上,所述上调节组件设于升降架上,所述机器箱设于上调节组件上,所述驱动组件设于机器箱内,所述切削刃穿过机器箱底壁设于驱动组件上,所述驱动组件包括电机四、轴一、轴二、连接件、主动带轮一、主动带轮二、从动带轮一、从动带轮二、传动带和变速单元。本发明涉及数控机床技术领域,具体是提供了能连续调节切削速度并且精度高的一种高精度数控机床。(The invention discloses a high-precision numerical control machine tool, which comprises a rack, a lower adjusting assembly, a workbench, a lifting frame, an upper adjusting assembly, a machine box, a cutting edge and a driving assembly, wherein the lower adjusting assembly is arranged on the rack, the workbench is arranged on the lower adjusting assembly, the lifting frame is arranged on the rack, the upper adjusting assembly is arranged on the lifting frame, the machine box is arranged on the upper adjusting assembly, the driving assembly is arranged in the machine box, the cutting edge penetrates through the bottom wall of the machine box and is arranged on the driving assembly, and the driving assembly comprises a motor IV, a shaft I, a shaft II, a connecting piece, a driving belt I, a driving belt II, a driven belt I, a driven belt II, a transmission belt and a speed change unit. The invention relates to the technical field of numerical control machines, and particularly provides a high-precision numerical control machine which can continuously adjust the cutting speed and has high precision.)

1. A high accuracy digit control machine tool which characterized in that: comprises a frame, a lower adjusting component, a workbench, a lifting frame, an upper adjusting component, a machine box, a cutting blade and a driving component, wherein the lower adjusting component is arranged on the frame, the workbench is arranged on the lower adjusting component, the lifting frame is arranged on the frame, the upper adjusting component is arranged on the lifting frame, the machine box is arranged on the upper adjusting component, the driving component is arranged in the machine box, the cutting blade penetrates through the bottom wall of the machine box and is arranged on the driving component, the driving component comprises a motor IV, a shaft IV, a connecting piece, a driving belt III, a driven belt IV, a driven belt III, a driving belt and a speed change unit, the motor IV is arranged in the machine box, the shaft IV is rotatably arranged in the machine box and is arranged at the four output ends of the motor, the connecting piece is arranged at one end of the shaft IV, the cutting blade penetrates through the bottom wall of the machine box and is arranged on the connecting piece, the driving belt wheel I is arranged on the first shaft, the driving belt wheel II is arranged on the first shaft in a key-connected sliding mode, the driven belt wheel I is arranged on the second shaft, the driven belt wheel II is arranged on the second shaft in a key-connected sliding mode, the driving belt sleeve is arranged among the driving belt wheel I, the driving belt wheel II, the driven belt wheel I and the driven belt wheel II, and the speed change unit is arranged between the driving belt wheel II and the driven belt wheel II.

2. A high precision numerical control machine tool according to claim 1, characterized in that: the variable speed unit comprises slide rails, racks, gears, five motors, rotating handles, sliding frames, connecting plates and rotating rings, the slide rails are symmetrically arranged in the machine box, the racks are two groups of racks which are respectively arranged on the two groups of slide rails in a sliding mode, the gears are rotated and arranged in the machine box and meshed with the two groups of racks, the sliding frames are arranged on the two groups of racks, the five motors are arranged in the machine box, the rotating handles are arranged on the five output ends of the motors, one ends of the rotating handles are movably arranged in the sliding frames, the connecting plates are two groups of connecting plates which are respectively arranged on one sides of the two groups of racks, the connecting plates are far away from the gears, and the rotating rings are two groups of rotating rings which are respectively arranged below the two groups of connecting plates and are respectively arranged on the driving belt wheel II and the driven belt wheel II through connecting rods.

3. A high precision numerical control machine tool according to claim 1, characterized in that: lower regulating assembly includes motor one, screwed pipe one, slide bar, screwed pipe two, connecting block, lower base and motor two, motor one is located in the frame, screwed pipe one is located on the motor output, the slide bar is located in the frame and is located screwed pipe one top, two slip caps of screwed pipe locate on the slide bar and with a screwed pipe thread engagement, the frame top is equipped with the spout, the connecting block passes the spout and locates on the screwed pipe two, the base is located on the connecting block down, motor two is located in the base down, the workstation is located on the two output of motor and rotates and locate on the base down.

4. A high precision numerical control machine tool according to claim 1, characterized in that: go up the adjusting part and include lead screw, guide bar and top base, the lead screw rotates and locates on the crane, the guide bar is located on the crane, the top base is located on the lead screw through the screw hole cover, top base slip cap is located on the guide bar.

5. A high precision numerical control machine tool according to claim 4, characterized in that: the machine box is arranged below the connecting lifting lugs.

Technical Field

The invention relates to the technical field of numerical control machines, in particular to a high-precision numerical control machine.

Background

The numerical control machine tool is an automatic machine tool with a program control system, and the numerical control machine tool sends various control signals through operation processing by a numerical control device to control the action of the machine tool and automatically machine parts according to the shape and the size required by a drawing.

The existing numerical control machine tool has a complex structure, the cutting speed is adjusted by a shifting fork and a gear set in a gearbox during processing, the cutting speed is fixed along with gears, and the cutting speed cannot be flexibly adjusted, so that the existing numerical control machine tool cannot adapt to workpieces to be processed made of different materials during use, and the machining precision of finished products is adversely affected.

Disclosure of Invention

In view of the above situation, the present invention provides a high precision numerical control machine tool capable of continuously adjusting cutting speed and having high precision to overcome the defects of the prior art.

The technical scheme adopted by the invention is as follows: the invention relates to a high-precision numerical control machine tool, which comprises a rack, a lower adjusting component, a workbench, a lifting frame, an upper adjusting component, a machine box, a cutting edge and a driving component, wherein the lower adjusting component is arranged on the rack, the workbench is arranged on the lower adjusting component, the lifting frame is arranged on the rack, the upper adjusting component is arranged on the lifting frame, the machine box is arranged on the upper adjusting component, the driving component is arranged in the machine box, the cutting edge penetrates through the bottom wall of the machine box and is arranged on the driving component, the driving component comprises a motor IV, a shaft I, a shaft II, a connecting piece, a driving belt wheel IV, a driven belt wheel II, a transmission belt and a speed change unit, the motor IV is arranged in the machine box, the shaft IV is rotatably arranged in the machine box and is arranged on the output end of the motor IV, the shaft II is rotatably arranged in the machine box, the connecting piece is arranged at one end of the shaft II, the cutting edge penetrates through the bottom wall of the machine box and is arranged on the connecting piece, the first driving belt wheel is arranged on the first shaft, the driving belt wheel II is connected with the shaft I in a key-connected manner in a sliding manner, the driven belt wheel I is arranged on the shaft II, the driven belt wheel II is connected with a shaft II in a key-connected manner in a sliding manner, the driving belt is sleeved among the driving belt wheel I, the driving belt wheel II, the driven belt wheel I and the driven belt wheel II, the speed change unit is arranged between the driving belt wheel II and the driven belt wheel II, the lifting frame, the upper adjusting assembly and the lower adjusting assembly are used for adjusting the relative position of the cutting edge and the workpiece to be machined, the driving assembly replaces a precise and complex gear set through the driving belt wheel I, the driving belt wheel II, the driven belt wheel I, the driven belt wheel II, the driving belt and the speed change unit, gear limit of gear speed change is eliminated, and the cutting speed of the cutting edge can flexibly adapt to different working conditions.

Furthermore, the speed changing unit comprises slide rails, racks, a gear, a fifth motor, a rotating handle, two sets of sliding frames, connecting plates and a rotating ring, wherein the slide rails are symmetrically arranged in the machine box, the two sets of racks are respectively arranged on the two sets of slide rails in a sliding manner, the gear is rotatably arranged in the machine box and is meshed with the two sets of racks, the sliding frame is arranged on the one set of racks, the fifth motor is arranged in the machine box, the rotating handle is arranged on the output end of the fifth motor, one end of the rotating handle is movably arranged in the sliding frame, the two sets of connecting plates are arranged on the two sets of racks, the two sets of connecting plates are respectively arranged on one sides of the two sets of racks far away from the gear, the two sets of rotating rings are respectively rotatably arranged below the two sets of connecting plates and are respectively arranged on the second driving belt pulley and the second driven belt pulley through connecting rods, the speed changing assembly is meshed with the two sets of racks through the gear, and the lifting distances of the second driving belt pulley and the second driven belt pulley are always kept equal by utilizing the accuracy of gear meshing, therefore, the relation between the five rotation angles of the motor and the two transmission ratios of the shaft and the shaft is convenient to quantify, and accurate speed change is facilitated.

Further, the lower adjusting component comprises a first motor, a first threaded pipe, a sliding rod, a second threaded pipe, a connecting block, a lower base and a second motor, the first motor is arranged in the frame, the first threaded pipe is arranged at the output end of the first motor, the sliding rod is arranged in the frame and located above the first threaded pipe, the second threaded pipe is sleeved on the sliding rod in a sliding mode and meshed with the first threaded pipe in a threaded mode, a sliding groove is formed in the top end of the frame, the connecting block penetrates through the sliding groove to be arranged on the second threaded pipe, the lower base is arranged on the connecting block, the second motor is arranged in the lower base, the workbench is arranged at the output end of the second motor and is arranged on the lower base in a rotating mode, the first threaded pipe and the second threaded pipe are arranged to utilize the self-locking property of threads, the workbench cannot slide on the frame due to impact when the cutting edge processes to the workpiece, and therefore errors in the processing are avoided.

Further, go up the regulating assembly and include lead screw, guide bar and top base, the lead screw rotates and locates on the crane, the guide bar is located on the crane, the top base is located on the lead screw through the screw hole cover, top base slip cap is located on the guide bar.

Furthermore, a third motor is arranged in the upper base, connecting lifting lugs are arranged on two sides of the upper base in a rotating mode, a group of connecting lifting lugs are arranged at the output ends of the third motors, and the machine box is arranged below the connecting lifting lugs.

The invention with the structure has the following beneficial effects: according to the scheme, the upper adjusting assembly, the lower adjusting assembly and other parts are used in a matched mode, and machining of workpieces to be machined in different directions can be achieved; by utilizing the self-locking characteristic of the threads, the second threaded pipe keeps locked during machining, the deviation of a workpiece to be machined above the second threaded pipe is avoided, and the machining precision is improved; through the cooperation of the driving assembly and the internal speed change unit, the cutting blade can be continuously adjusted, the proper cutting speed can be effectively selected for workpieces to be machined of different materials or machining requirements, and the problems that the precision is insufficient due to the fact that hard material workpieces are cut at low speed or the workpieces or the cutting blade is damaged due to the fact that soft material workpieces are cut at high speed are solved.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of a high precision numerical control machine tool according to the present invention;

FIG. 2 is a schematic diagram of a high precision numerically controlled machine tool according to the present invention;

fig. 3 is a schematic view of a part of the structure of a high precision numerical control machine tool according to the present invention.

The automatic cutting machine comprises a machine frame 1, a machine frame 2, a first motor, a second motor, a first threaded pipe, a second threaded pipe, a first threaded pipe, a second threaded pipe, a connecting block, a second threaded pipe, a second threaded pipe, a working table, a working.

Detailed Description

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

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1 to 3, the high-precision numerical control machine tool of the present invention comprises a frame 1, a lower adjusting assembly, a workbench 9, a crane 10, an upper adjusting assembly, a machine box 15, a cutting blade 16 and a driving assembly, wherein the lower adjusting assembly is arranged on the frame 1, the workbench 9 is arranged on the lower adjusting assembly, the crane 10 is arranged on the frame 1, the upper adjusting assembly is arranged on the crane 10, the machine box 15 is arranged on the upper adjusting assembly, the driving assembly is arranged in the machine box 15, the cutting blade 16 passes through the bottom wall of the machine box 15 and is arranged on the driving assembly, the driving assembly comprises a motor four 17, a shaft one 18, a shaft two 19, a connecting member 20, a driving pulley one 21, a driving pulley two 22, a driven pulley one 23, a driven pulley two 24, a transmission belt 25 and a speed change unit, the motor four 17 is arranged in the machine box 15, the shaft one 18 is rotatably arranged in the machine box 15 and arranged on the output end of the motor four 17, the second 19 of axle rotates and locates in the machine case 15, 19 one ends of the second axle are located to connecting piece 20, cutting edge 16 passes on machine case 15 diapire locates connecting piece 20, first drive pulley 21 locates on first 18 of axle, second drive pulley 22 slides through the key-type connection and locates on first 18 of axle, first driven pulley 23 locates on second 19 of axle, second driven pulley 24 slides through the key-type connection and locates on second 19 of axle, drive pulley 21, second drive pulley 22, between first driven pulley 23 and the second driven pulley 24 are located to the drive belt 25 cover, the speed change unit is located between second drive pulley 22 and the second driven pulley 24.

Wherein the speed changing unit comprises a slide rail 26, a rack 27, a gear 28, a motor five 29, a rotating handle 30, a sliding frame 31, a connecting plate 32 and a rotating ring 33, the slide rails 26 are symmetrically arranged in the machine box 15, two sets of racks 27 are arranged, the two sets of racks 27 are respectively arranged on the two sets of slide rails 26 in a sliding manner, the gear 28 is rotatably disposed in the machine box 15 and engaged with two sets of racks 27, the sliding frame 31 is disposed on one set of racks 27, the motor five 29 is arranged in the machine box 15, the rotating handle 30 is arranged on the output end of the motor five 29, one end of the rotating handle is movably arranged in the sliding frame 31, two groups of connecting plates 32 are arranged, two groups of connecting plates 32 are respectively arranged on one sides of the two groups of racks 27 far away from the gear 28, two sets of the rotary rings 33 are arranged, and the two sets of the rotary rings 33 are respectively rotatably arranged below the two sets of the connecting plates 32 and are respectively arranged on the driving belt wheel II 22 and the driven belt wheel II 24 through connecting rods. Lower regulating assembly includes motor 2, screwed pipe 3, slide bar 4, screwed pipe two 5, connecting block 6, lower base 7 and motor two 8, motor 2 is located in frame 1, screwed pipe 3 is located on motor 2 output, slide bar 4 is located in frame 1 and is located screwed pipe 3 tops, screwed pipe two 5 sliding sleeves locate on slide bar 4 and with screwed pipe 3 threaded engagement, frame 1 top is equipped with the spout, connecting block 6 passes the spout and locates on screwed pipe two 5, base 7 locates on the connecting block 6 down, motor two 8 locate down in the base 7, workstation 9 is located on motor two 8 output and is rotated and locate down on the base 7. Go up the adjusting part and include lead screw 11, guide bar 12 and top base 13, lead screw 11 rotates and locates on crane 10, guide bar 12 is located on crane 10, top base 13 is located on lead screw 11 through the screw hole cover, top base 13 slip cap is located on guide bar 12. A third motor (not shown) is arranged in the upper base 13, connecting lifting lugs 14 are rotatably arranged on two sides of the upper base 13, a group of connecting lifting lugs 14 are arranged on the output ends of the third motor, and the machine box 15 is arranged below the connecting lifting lugs 14.

When the machining angle adjusting device is used specifically, the first starting motor 2 drives the first threaded pipe 3 to rotate, the first threaded pipe 3 drives the second threaded pipe 5 to slide on the sliding rod 4 through the meshed threaded relation, so that the horizontal position of the upper workbench 9 is moved, a workpiece is fixed on the workbench 9 instead of a workpiece through an external clamping piece, the second starting motor 8 drives the workbench 9 to rotate to enable a region to be machined to be close to the cutting edge 16, the crane 10 adjusts the height of the cutting edge 16, the driving screw rod 11 rotates to adjust the horizontal position of the cutting edge 16, the connecting lifting lug 14 is driven by the third starting motor, the machine box 15 and the cutting edge 16 rotate to adjust the inclination angle of the cutting edge 16, and therefore the machining angle is changed. After the adjustment is finished, the starting motor IV 17 drives the first shaft 18 to rotate, and the cutting processing is carried out on the workpiece to be processed by the cutting edge 16 connected with the connecting piece 20 below the second shaft 19 through the transmission of the transmission belt 25 and the second shaft 19. When the rotating speed of the cutting edge 16 needs to be adjusted to adapt to workpieces to be machined of different materials or machining areas with different requirements on the same workpiece to be machined, the starting motor five 29 drives the rotating handle 30 to rotate, the rotating handle 30 drives the sliding frame 31 and the one group of racks 27 to slide on the sliding rail 26, the sliding racks 27 drive the gear 28 to rotate through meshing relation and drive the other group of racks 27 to reversely slide by the same number of teeth, the driving pulley two 22 and the driven pulley two 24 below the rotating ring 33 synchronously slide along with the racks 27 through transmission of the connecting plate 32, and the sliding distances between the driving pulley two 22 and the driven pulley two 24 are the same and opposite, so that the tension degree of the transmission belt 25 between the driving pulley two is inconvenient to maintain, the rotating radius relative to the first shaft 18 and the second shaft 19 is changed, and the transmission ratio between the first shaft 18 and the second shaft 19 is changed, so as to realize continuous adjustment of the rotating speed of the cutting edge 16.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.