High-precision numerical control gantry milling machine tool
Technical Field
The utility model relates to a numerical control mills quick-witted technical field, specifically is high accuracy numerical control longmen milling machine.
Background
The milling machine is a machine tool with wide application, and can process planes (horizontal planes and vertical planes), grooves (key grooves, T-shaped grooves, dovetail grooves and the like), tooth dividing parts (gears, spline shafts and chain wheels), spiral surfaces (threads and spiral grooves) and various curved surfaces on the milling machine. In addition, the method can be used for machining the surface and inner hole of the revolving body, cutting off the revolving body, and the like. When the milling machine works, a workpiece is arranged on a workbench or accessories such as an indexing head, the milling cutter rotates to move mainly, and the workpiece can obtain a required processing surface by the aid of the feeding motion of the workbench or the milling head. Since the multi-edge intermittent cutting is performed, the productivity of the milling machine is high. In short, a milling machine is a machine tool that can mill, drill, and bore a workpiece.
The old numerical control gantry milling machine tool uses a moving mode of a gear and a rack, and in a machined workpiece, the machining precision has deviation due to the fact that the gear and the rack have meshing gaps. When the numerical control milling machine tool is used for engraving and processing materials, a large amount of dust and sweeps can be generated in the processing process, but after the sweeps are processed, workers can clean the sweeps, the process is complex, time and labor are wasted, and therefore inconvenience is brought to the workers.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high accuracy numerical control longmen milling machine to solve the problem that proposes among the above-mentioned background art.
In order to solve the technical problem, the utility model provides a following technical scheme: the high-precision numerical control gantry milling machine tool comprises a machine tool, wherein a cutting table is fixed in the center of the top of the machine tool, Z-axis moving assemblies are arranged on two sides of the top of the machine tool, a portal frame is arranged at the top of each Z-axis moving assembly, an X-axis moving assembly is arranged at the upper end of the portal frame, a Y-axis moving assembly is arranged on the front side of each X-axis moving assembly, a milling cutter mechanism is arranged on the front side of each Y-axis moving assembly, and fixing mechanisms are arranged on two sides of the cutting table.
Further, the Z axle removes the subassembly and includes two parallel arrangement's Z axle lead screw seats, the one end of Z axle lead screw seat is fixed with first motor, the output shaft of first motor runs through Z axle lead screw seat one end and the first lead screw of fixedly connected with, the outer wall threaded connection of first lead screw has first lead screw spiral shell piece, the top and the portal frame bottom fixed connection of first lead screw spiral shell piece drive first lead screw through first motor and rotate, and first lead screw drives first lead screw spiral shell piece and removes along Z axle square shaft after that to drive the portal frame and remove along Z axle square shaft.
Further, the X-axis removes the subassembly including seting up in the X-axis lead screw seat of portal frame upper end, X-axis lead screw seat one end is fixed with the second motor, the output shaft of second motor runs through a lateral wall and the fixedly connected with second lead screw of X-axis lead screw seat, the outer wall threaded connection of second lead screw has second lead screw spiral shell piece, the front side and the Y-axis of second lead screw spiral shell piece remove subassembly fixed connection, drive the second lead screw through the second motor and rotate, and the second lead screw drives second lead screw spiral shell piece and removes along X axle square shaft after that to drive Y-axis remove the subassembly and remove along removing along X axle square shaft.
Further, the Y axle removes the subassembly and includes Y axle feed screw seat, the top of Y axle feed screw seat is fixed with the third motor, the output shaft of third motor runs through the top and the fixedly connected with third lead screw of Y axle feed screw seat, the outer wall threaded connection of third lead screw has third lead screw spiral shell piece, drives the third lead screw through the third motor and rotates, and the third lead screw drives third lead screw spiral shell piece and rotates after that, and third lead screw spiral shell piece drives milling cutter mechanism and removes along Y axle square shaft after that.
Further, milling cutter mechanism includes the mounting bracket, the inboard fixed mounting of mounting bracket has the fourth motor, the output shaft fixedly connected with reduction gear of fourth motor, the output shaft fixedly connected with milling cutter of reduction gear, the during operation, fourth motor drive reduction gear and rotate, and the reduction gear drives milling cutter and rotates after that to begin to mill and carve work.
Further, the surface of cutting platform runs through the small opening that is equipped with a plurality of align to grid, funnel-shaped unloading chamber has been seted up to the central authorities of lathe, the fixed sweeps collecting box that is equipped with in bottom in unloading chamber, the bottom both ends of cutting platform all are fixed with the wedge slider, the surface of lathe in the bilateral symmetry in unloading chamber set up with the spout of wedge slider looks adaptation, through wedge slider and spout cooperation, make the cutting platform can follow Z axle square shaft and remove to improve the flexibility of cutting platform, the sweeps accessible small opening that produces in the course of the work falls into the sweeps collecting box, this process can be in-step completion man-hour, need not artifical dust removal, labour saving and time saving improves work efficiency.
Furthermore, the fixing mechanism comprises an inverted L-shaped support, the top of the L-shaped support is in threaded connection with an adjusting screw rod in a penetrating mode, the bottom of the adjusting screw rod is fixedly connected with a fixing block, the bottom end face of the fixing block is a rough face, and the adjusting screw rod drives the fixing block to abut against the surface of a machine tool by rotating the adjusting screw rod, so that the cutting table is fixed.
Further, one side bottom of Y axle lead screw seat is fixed with the hair-dryer, the output fixedly connected with tuber pipe of hair-dryer, the tip fixedly connected with fan housing of tuber pipe, the milling cutter during operation surface often can be attached to impurity such as dust, metal sweeps, and hair-dryer accessible tuber pipe and fan housing are bloied the surface of milling cutter, blow off impurity such as dust, metal sweeps to ensure the machining precision.
Compared with the prior art, the utility model discloses the beneficial effect who reaches is:
1. the utility model discloses a set up the lathe, Z axle removes the subassembly, X axle removes subassembly and Y axle removes the subassembly, it rotates to drive first lead screw through first motor, first lead screw is then driven first lead screw spiral shell piece and is removed along Z axle square shaft, thereby it removes to drive the portal frame along Z axle square shaft, it rotates to drive the second lead screw through the second motor, the second lead screw is then driven second lead screw spiral shell piece and is removed along X axle square shaft, thereby it removes along X axle square shaft to drive Y axle removes the subassembly, it rotates to drive the third lead screw through the third motor, the third lead screw is then driven the rotation of third lead screw spiral shell piece, the third lead screw spiral shell piece is then driven milling cutter mechanism and is removed along Y axle square shaft, the removal mode of rack and pinion is replaced through accurate ball, thereby the machining precision has been improved;
2. the utility model discloses a set up the small opening, the unloading chamber, the sweeps collecting box, fixed establishment, the hair-dryer, tuber pipe and fan housing, cooperate through wedge slider and spout, make the cutting platform can follow Z axle square shaft and remove, thereby improve the flexibility of cutting platform, the sweeps accessible small opening that produces in the course of the work falls into the sweeps collecting box, this process can be in-step completion man-hour, need not artifical dust removal, time saving and labor saving, and the work efficiency is improved, the surface often can be adhered to the dust at milling cutter during operation, impurity such as metal sweeps, hair-dryer accessible tuber pipe and fan housing are bloied to milling cutter's surface, with the dust, impurity such as metal sweeps blows off, avoid producing the interference to milling cutter, thereby further improve the machining precision.
Drawings
The accompanying drawings 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 invention and not to limit the invention. In the drawings:
fig. 1 is a front view of the present invention;
fig. 2 is a top view of the present invention;
fig. 3 is a front view of the Y-axis moving assembly of the present invention;
FIG. 4 is an enlarged schematic view of the structure at A in FIG. 1 according to the present invention;
in the figure: 1. a machine tool; 2. a cutting table; 3. a Z-axis moving assembly; 31. a Z-axis lead screw seat; 32. a first motor; 33. a first lead screw; 34. a first lead screw block; 4. a gantry; 5. an X-axis moving assembly; 51. an X-axis lead screw seat; 52. a second motor; 53. a second lead screw; 54. a second lead screw block; 6. a Y-axis moving assembly; 61. a Y-axis lead screw seat; 62. a third motor; 63. a third lead screw; 64. a third lead screw block; 7. a milling cutter mechanism; 71. a mounting frame; 72. a fourth motor; 73. milling cutters; 8. a fixing mechanism; 81. an L-shaped bracket; 82. adjusting the screw rod; 83. a fixed block; 9. a leak hole; 10. a blanking cavity; 11. a scrap collecting box; 12. a wedge-shaped slider; 13. a chute; 14. a blower; 15. an air duct; 16. a fan cover.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1-4, the utility model provides a high accuracy numerical control longmen milling machine, including lathe 1, the top central authorities of lathe 1 are fixed with cutting table 2, the top both sides of lathe 1 all are equipped with Z axle and move subassembly 3, the top that Z axle moved subassembly 3 is equipped with portal frame 4, the upper end of portal frame 4 is equipped with X axle and moves subassembly 5, the front side that X axle moved subassembly 5 is equipped with Y axle and moves subassembly 6, the front side that Y axle moved subassembly 6 is equipped with milling cutter mechanism 7, the both sides of cutting table 2 all are equipped with fixed establishment 8.
In a preferred embodiment, the Z-axis moving assembly 3 includes two Z-axis screw bases 31 arranged in parallel, a first motor 32 is fixed to one end of each Z-axis screw base 31, an output shaft of the first motor 32 penetrates through one end of each Z-axis screw base 31 and is fixedly connected with a first lead screw 33, a first lead screw block 34 is connected to an outer wall of the first lead screw 33 through threads, the top of the first lead screw block 34 is fixedly connected with the bottom of the gantry 4, the first lead screw 33 is driven to rotate by the first motor 32, and the first lead screw 33 drives the first lead screw block 34 to move along the Z-axis square axis, so as to drive the gantry 4 to move along the Z-axis square axis.
In a preferred embodiment, the X-axis moving assembly 5 includes an X-axis lead screw base 51 provided at the upper end of the gantry 4, a second motor 52 is fixed at one end of the X-axis lead screw base 51, an output shaft of the second motor 52 penetrates through a side wall of the X-axis lead screw base 51 and is fixedly connected with a second lead screw 53, an outer wall of the second lead screw 53 is in threaded connection with a second lead screw block 54, a front side of the second lead screw block 54 is fixedly connected with the Y-axis moving assembly 6, the second lead screw 53 is driven to rotate by the second motor 52, and then the second lead screw 53 drives the second lead screw block 54 to move along the X-axis square axis, so as to drive the Y-axis moving assembly 6 to move along the X-axis square axis.
In a preferred embodiment, the Y-axis moving assembly 6 includes a Y-axis screw base 61, a third motor 62 is fixed on the top of the Y-axis screw base 61, an output shaft of the third motor 62 penetrates through the top of the Y-axis screw base 61 and is fixedly connected with a third screw 63, a third screw block 64 is threadedly connected to an outer wall of the third screw 63, the third screw 63 is driven by the third motor 62 to rotate, the third screw 63 then drives the third screw block 64 to rotate, and the third screw block 64 then drives the milling cutter mechanism 7 to move along the Y-axis square axis.
In a preferred embodiment, the milling cutter mechanism 7 includes a mounting frame 71, a fourth motor 72 is fixedly mounted on the inner side of the mounting frame 71, a reducer is fixedly connected to an output shaft of the fourth motor 72, a milling cutter 73 is fixedly connected to an output shaft of the reducer, and in operation, the reducer is driven by the fourth motor 72 to rotate, and then the milling cutter 73 is driven by the reducer to rotate, so as to start milling and carving.
In a preferred embodiment, the surface of the cutting table 2 is provided with a plurality of uniformly arranged leak holes 9 in a penetrating manner, the center of the machine tool 1 is provided with a funnel-shaped blanking cavity 10, the bottom of the blanking cavity 10 is fixedly provided with a scrap collecting box 11, two ends of the bottom of the cutting table 2 are respectively fixed with a wedge-shaped slider 12, the surface of the machine tool 1 is symmetrically provided with sliding grooves 13 matched with the wedge-shaped sliders 12 at two sides of the blanking cavity 10, and the cutting table 2 can move along a Z-axis square shaft through the cooperation of the wedge-shaped sliders 12 and the sliding grooves 13, so that the flexibility of the cutting table 2 is improved, scraps generated in the working process can fall into the scrap collecting box 11 through the leak holes 9, the process can be synchronously completed in a machining process without manual dust removal, time and labor are saved, and the working efficiency is improved.
In a preferred embodiment, the fixing mechanism 8 comprises an inverted L-shaped bracket 81, the top of the L-shaped bracket 81 is connected with an adjusting screw 82 in a penetrating manner, the bottom of the adjusting screw 82 is fixedly connected with a fixing block 83, the bottom end surface of the fixing block 83 is a rough surface, and by rotating the adjusting screw 82, the adjusting screw 82 drives the fixing block 83 to abut against the surface of the machine tool 1, so that the cutting table 2 is fixed.
In a preferred embodiment, a blower 14 is fixed to the bottom of one side of the Y-axis screw seat 61, an air pipe 15 is fixedly connected to an output end of the blower 14, a fan cover 16 is fixedly connected to an end of the air pipe 15, impurities such as dust and metal scraps often adhere to the surface of the milling cutter 73 when the milling cutter 73 works, and the blower 14 can blow air to the surface of the milling cutter 73 through the air pipe 15 and the fan cover 16 to blow off the impurities such as the dust and the metal scraps, so that the machining precision is ensured.
The utility model discloses a theory of operation: firstly, a first motor 32 drives a first lead screw 33 to rotate, the first lead screw 33 then drives a first lead screw block 34 to move along a Z-axis square shaft, so that a portal frame 4 is driven to move along the Z-axis square shaft, a second lead screw 53 is driven to rotate by a second motor 52, the second lead screw 53 then drives a second lead screw block 54 to move along an X-axis square shaft, so that a Y-axis moving assembly 6 is driven to move along the X-axis square shaft, a third lead screw 63 is driven to rotate by a third motor 62, the third lead screw 63 then drives a third lead screw block 64 to rotate, the third lead screw block 64 then drives a milling cutter mechanism 7 to move along the Y-axis square shaft, and the machining precision is improved by replacing a gear and rack moving mode by a precise ball lead screw; through wedge-shaped slider 12 and spout 13 cooperation, make cutting table 2 can follow Z axle square shaft and remove, thereby improve cutting table 2's flexibility, sweeps accessible small opening 9 that produces in the course of the work falls into sweeps collecting box 11, this process can be in step accomplished with man-hour, need not artifical dust removal, time saving and labor saving, work efficiency is improved, milling cutter 73 during operation surface often can be attached to the dust, impurity such as metal sweeps, 14 accessible tuber pipe 15 of hair-dryer and 16 blow to milling cutter 73's surface, with the dust, impurity such as metal sweeps blows off, avoid producing the interference to milling cutter 73, thereby further improve the machining precision.
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.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.