High-precision numerical control machine tool hinge machining equipment
Technical Field
The utility model relates to a hinge processing technology field, concretely relates to digit control machine tool hinge processing equipment of high accuracy.
Background
The numerical control machine tool is the most basic requirement of the manufacturing industry, and the production efficiency and the precision retentivity directly influence the quality of products and the economic benefit of manufacturers. In the development process of new products in various fields, a numerical control machine tool is required as an indispensable auxiliary tool. In the consumption level of the numerical control machine tool, since 2002, our country is the first of the world in the total consumption of the machine tool, and is still the front in the next years, and also in the first manufacturing world in the manufacture of the machine tool from 2009, our manufacturers of the machine tool are actively taking measures to improve the reliability.
The hinge is a basic part of a numerical control machine tool, and is a mechanical device which is used for connecting two solids and allowing relative rotation between the two solids. The hinge can be made of movable components or foldable materials, and the quality of the hinge is directly related to the use of a numerical control machine. In the process of machining the hinge of the numerical control machine tool, a milling machine is generally adopted to machine various surfaces of a hinge workpiece of the numerical control machine tool. Generally, a milling cutter of a milling machine is moved mainly by a rotational motion, and the movement of a workpiece and the milling cutter is a feed motion. The milling machine can be used for processing 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. At present, most milling machines in the prior art are complex in structure and large in size, and not only are low in processing efficiency and high in cost when being processed, but also are poor in processing precision and easily affected by self vibration and environmental vibration. Therefore, in order to solve the above technical problems, it is necessary to design a high-precision hinge machining apparatus for a numerical control machine tool.
Chinese patent application No. CN201310740994.6 discloses a hinge processing method, which improves the whole processing process of a hinge, does not improve processing equipment for a numerical control machine hinge, and solves the problems of low processing efficiency, high cost and poor processing precision.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: in order to overcome not enough above, the utility model aims at providing a digit control machine tool hinge processing equipment of high accuracy, structural design is reasonable, and overall stability is good, has realized digit control machine tool hinge work piece along X direction, Y direction and milling cutter along the linear motion of Z direction, uses the flexibility high, has improved machining efficiency and precision, has the cooling effect of dispelling the heat, long service life, and application prospect is extensive.
The technical scheme is as follows: a high-precision numerical control machine hinge machining device comprises a fixed seat and a milling machine body, wherein the fixed seat comprises a fixed platen, supporting columns, a base and a heat dissipation box, the fixed platen and the base are arranged in parallel, the fixed platen is fixedly arranged above the base through the supporting columns arranged at four corners of the bottom of the fixed platen, and the heat dissipation box is fixedly arranged below the bottom of the fixed platen; the fixed bedplate is provided with a milling machine body; the milling machine body comprises a workbench, an upright post and a milling cutter mechanism, the workbench comprises a sliding table and a bottom plate, an X-axis component and a Y-axis component are transversely installed on the bottom plate, the X-axis component and the Y-axis component form a cross sliding table lathe, the sliding table is fixedly installed above the cross sliding table lathe, the X-axis component and the Y-axis component drive corresponding screw nut mechanisms of the X-axis component and the Y-axis component respectively through an X-axis servo motor and a Y-axis servo motor, and the movement of the sliding table in the X direction and the Y direction on the bottom plate is realized; the milling cutter mechanism is arranged on the front surface of the upright post through a connecting ribbed plate.
Digit control machine tool hinge processing equipment of high accuracy, structural design is reasonable, overall stability is good, has the heat dissipation cooling effect, can in time disperse the heat that milling machine body processing produced on the fixed platen, the radiating rate is good, fast, has increased milling machine body life.
The milling machine body is provided with the X-axis component and the Y-axis component to form a cross sliding table lathe, the corresponding screw nut mechanisms are driven by the servo motors of the X-axis component and the Y-axis component, the sliding table, namely the movement of a workpiece on the bottom plate in the X direction and the Y direction, is convenient to operate, load and unload the workpiece and measure, the processing flexibility and the processing precision of the milling machine on the hinge workpiece of the numerical control machine are improved, and the application prospect is wide.
Wherein, X axle component, Y axle component are common structure among the prior art, and X axle component, Y axle component and screw nut mechanism all comprise parts such as guide rail, rail block, shaft coupling, lead screw, screw nut seat, bearing frame, bearing plate, and it is repeated just not different here, does not influence the utility model discloses technical scheme's realization.
Further, according to the high-precision numerical control machine hinge machining equipment, the plurality of foot umbrellas are arranged on the two sides of the bottom of the base.
Be provided with a plurality of lower margin umbrella in base bottom both sides and collude, solved among the course of working that the milling machine body receives the machining precision, the life decline problem that the influence of self vibration and environmental vibration leads to easily.
Further, according to the high-precision numerical control machine hinge machining equipment, the connecting part of the upper end of the lower umbrella hook and the base is in threaded connection with a lower anchor bolt, the upper end of the lower anchor bolt is provided with a second hexagon nut, and the second hexagon nut is in threaded connection with the lower umbrella hook; a foot bolt nut is arranged at the joint of the middle part of the foot bolt and the base, a foot support is arranged at the lower end of the foot bolt, and the foot support is in threaded connection with the foot umbrella hook; the lower extreme that the lower margin supported is provided with the lower margin gasket, the lower margin gasket with lower margin umbrella colludes threaded connection.
Through adjusting the ground screw cap, can collude adjusting of ground foot umbrella to can adjust the height of whole base.
Further, foretell digit control machine tool hinge processing equipment of high accuracy, install Z axle part on the stand openly, install Z axle slip table on the Z axle part, milling cutter mechanism installs on Z axle slip table and is located the slip table top through the connecting rib board.
Further, according to the high-precision hinge processing equipment for the numerical control machine tool, the Z-axis part drives the screw nut mechanism of the Z-axis part through the Z-axis servo motor, so that the Z-direction movement of the Z-axis sliding table is realized.
The utility model discloses set up the Z axle part, the lead screw nut mechanism that the Z axle servo motor drive through the Z axle part corresponds realizes that Z axle slip table is the motion of milling cutter mechanism Z direction on the stand promptly, the Z axle part is common structure among the prior art with above-mentioned X axle part, Y axle part, does not influence the utility model discloses technical scheme's realization.
Further, in the high-precision hinge machining equipment for the numerical control machine tool, the milling cutter mechanism comprises a motor, an electric spindle and a milling cutter supporting seat, the motor, the electric spindle and the milling cutter are sequentially connected from top to bottom, and the back surface of the supporting seat is fixedly connected with the front end of the connecting rib plate; the motor is located above the supporting seat and fixedly connected with the supporting seat, the electric spindle is located inside the supporting seat and fixedly connected with the supporting seat, and the milling cutter is located below the outer portion of the supporting seat.
The motor transmits power to the milling cutter through the electric spindle from top to bottom to drive the milling cutter to rotate, the rigidity of the electric spindle can be increased while a transmission chain is reduced by the structural arrangement mode, and compared with a general gear transmission and belt transmission main transmission system, the vibration generated when the electric spindle rotates at a high speed is very small, so that a machined hinge workpiece of the numerical control machine tool has better surface roughness and higher precision.
Further, according to the high-precision hinge machining equipment for the numerical control machine tool, the milling cutter is detachably mounted at the lower end of the electric spindle, and the bottom of the supporting seat is provided with the automatic spraying type silicone oil cooler facing the milling cutter.
The milling cutter is detachably arranged on the electric spindle, the type of the milling cutter can be determined according to the requirements of workpieces, such as processing 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), various curved surfaces and the like, and the flexibility is higher; the bottom of the supporting seat is provided with an automatic spraying type silicon oil cooler towards the milling cutter, and the milling cutter is cooled by automatic spraying type silicon oil, so that the effects of no cutting, no glue sticking on a cutter and sharpness are kept are achieved, meanwhile, materials cannot be wetted, the precision is improved, and the production efficiency is improved.
The utility model has the advantages that:
(1) the high-precision numerical control machine tool hinge processing equipment has reasonable structural design and good overall stability, solves the problem that the milling machine body is easy to be influenced by self vibration and environmental vibration in the processing process to cause the reduction of the processing precision and the service life, has the functions of heat dissipation and cooling, can timely dissipate the heat generated by the processing of the milling machine body on the fixed platen, has good heat dissipation speed and high speed, and prolongs the service life of the milling machine body;
(2) the utility model discloses a digit control machine tool hinge processing equipment of high accuracy, convenient operation has set up X axle component and Y axle component and has constituteed cross slip table lathe, through the corresponding lead screw nut mechanism of X axle component, the servo motor drive of Y axle component, realize the slip table that the work piece is the motion of X direction, Y direction on the bottom plate, through the corresponding lead screw nut mechanism of the Z axle servo motor drive of Z axle component, realize the motion of Z axle slip table that milling cutter mechanism is the Z direction on the stand, be convenient for milling cutter, the removal operation of work piece, loading and unloading work piece, measurement;
(3) digit control machine tool hinge processing equipment of high accuracy, milling cutter are detachable installs at electric main shaft, and the bearing bottom is provided with the silicon oil cooler of automatic atomizing towards milling cutter, carries out the silicon oil cooling of automatic atomizing to milling cutter to reach and not cut, on the sword on the on-stick glue, keep sharp effect, can not make wet material simultaneously yet, improved the precision, improved production efficiency.
Drawings
FIG. 1 is a schematic view of a fixed seat structure of a high-precision hinge machining device of a numerical control machine tool according to the present invention;
FIG. 2 is a schematic structural view of the milling machine body of the high-precision hinge machining equipment for the numerical control machine tool of the present invention;
FIG. 3 is a schematic view of the base structure of the high-precision hinge machining equipment of the numerical control machine tool according to the present invention;
in the figure: the milling machine comprises a fixed seat 1, a fixed bedplate 11, a support column 12, a base 13, a foot umbrella hook 131, a foot bolt 132, a second hexagon nut 133, a foot nut 134, a foot support 135, a foot gasket 136, a heat dissipation box 14, a milling machine body 2, a workbench 22, a sliding table 211, a bottom plate 212, an X-axis part 213, a Y-axis part 214, an X-axis servo motor 215, a Y-axis servo motor 216, a silicon oil cooler 217, an upright column 22, a Z-axis part 221, a Z-axis sliding table 222, a Z-axis servo motor 223, a milling cutter mechanism 23, a connecting rib plate 231, a motor 232, an electric main shaft 233, a milling cutter 234 and a supporting seat 235.
Detailed Description
The present invention will be further elucidated with reference to the accompanying drawings 1 to 3 and the embodiments.
The high-precision numerical control machine hinge machining equipment with the structure as shown in fig. 1 and 2 comprises a fixed seat 1 and a milling machine body 2, wherein the fixed seat 1 comprises a fixed bedplate 11, supporting columns 12, a base 13 and a heat dissipation box 14, the fixed bedplate 11 is arranged in parallel with the base 13, the fixed bedplate 11 is fixedly arranged above the base 13 through the supporting columns 12 arranged at the four corners of the bottom of the fixed bedplate 11, and the heat dissipation box 14 is fixedly arranged below the bottom of the fixed bedplate 11; the fixed bedplate 11 is provided with a milling machine body 1; the milling machine body 2 comprises a workbench 21, an upright 22 and a milling cutter mechanism 23, wherein the workbench 21 comprises a sliding table 211 and a bottom plate 212, an X-axis part 213 and a Y-axis part 214 are transversely installed on the bottom plate 212 and longitudinally installed on the bottom plate, the X-axis part 213 and the Y-axis part 214 form a cross sliding table lathe, the sliding table 211 is fixedly installed above the cross sliding table lathe, the X-axis part 213 and the Y-axis part 214 respectively drive a screw nut mechanism corresponding to the X-axis part 213 and the Y-axis part 214 through an X-axis servo motor 215 and a Y-axis servo motor 216, and the movement of the sliding table 211 on the bottom plate 212 in the X direction and the Y direction is realized; the upright post 22 is arranged at the rear end of the Y-axis part 214 and above the Y-axis servo motor 216, and the milling cutter mechanism 23 is arranged on the front surface of the upright post 22 through a connecting rib 231.
Further, as shown in fig. 2 and 3, a plurality of foot umbrella hooks 131 are arranged on two sides of the bottom of the base 13.
Further, an anchor bolt 132 is connected to a connection part of the upper end of the anchor umbrella hook 131 and the base 13 in a threaded manner, a second hexagonal nut 133 is arranged at the upper end of the anchor bolt 132, and the second hexagonal nut 133 is connected to the anchor umbrella hook 131 in a threaded manner; an anchor nut 134 is arranged at the joint of the middle part of the anchor bolt 132 and the base 13, an anchor support 135 is arranged at the lower end of the anchor bolt 132, and the anchor support 135 is in threaded connection with the anchor umbrella hook 131; the lower end of the ground support 135 is provided with a ground gasket 136, and the ground gasket 136 is in threaded connection with the ground umbrella hook 131.
Further, a Z-axis part 221 is mounted on the front surface of the upright 22, a Z-axis sliding table 222 is mounted on the Z-axis part 221, and the milling cutter mechanism 23 is mounted on the Z-axis sliding table 222 and located above the sliding table 211 through a connecting rib plate 231.
Further, the Z-axis component 221 drives a lead screw nut mechanism of the Z-axis component 221 through a Z-axis servo motor 223, so as to realize the Z-direction movement of the Z-axis sliding table 222.
Further, the milling cutter mechanism 23 comprises a motor 232, an electric spindle 233, a milling cutter 234 and a supporting seat 235, wherein the motor 232, the electric spindle 233 and the milling cutter 234 are sequentially connected from top to bottom, and the back surface of the supporting seat 235 is fixedly connected with the front end of the connecting rib plate 231; the motor 232 is located above the supporting seat 235 and is fixedly connected with the supporting seat 235, the electric spindle 233 is located inside the supporting seat 235 and is fixedly connected with the supporting seat 235, and the milling cutter 234 is located below and outside the supporting seat 235.
Further, the milling cutter 234 is detachably mounted on the lower end of the electric spindle 233, and the bottom of the support 235 is provided with an automatic spray type silicone oil cooler 217 facing the milling cutter 234.
Examples
The structural basis is as shown in FIGS. 1 to 3.
Digit control machine tool hinge processing equipment of high accuracy, structural design is reasonable, overall stability is good, has the heat dissipation cooling effect, can in time be with the heat that fixed platen 11 goes up 2 processing productions of milling machine body dispel, the radiating rate is good, fast, has increased 2 life of milling machine body.
The milling machine body 2 is provided with the X-axis component 213 and the Y-axis component 214 to form a cross sliding table lathe, the corresponding screw nut mechanisms are driven by the servo motors of the X-axis component 213 and the Y-axis component 214, the sliding table 211, namely, the workpiece, moves on the bottom plate 212 in the X direction and the Y direction, the operation, the loading and unloading of the workpiece and the measurement are facilitated, the processing flexibility and the processing precision of the milling machine on the hinge workpiece of the numerical control machine are improved, and the application prospect is wide.
Wherein, X axle component 213 and Y axle component 214 are common structure among the prior art, and X axle component 213 and Y axle component 214 and lead screw nut mechanism all comprise parts such as guide rail, rail block, shaft coupling, lead screw nut seat, bearing frame, bearing plate, and it is here not repeated to be different, does not influence the utility model discloses technical scheme's realization.
Further, a plurality of foot umbrella hooks 131 are arranged on two sides of the bottom of the base 13, so that the problem that the machining precision and the service life of the milling machine body 2 are reduced due to the influence of self vibration and environmental vibration during machining is solved.
Further, the height of the whole base 13 can be adjusted by adjusting the foot nut 134 to adjust the foot umbrella hook 131.
Further, the utility model discloses set up Z axle part 221, the corresponding lead screw nut mechanism of Z axle servo motor 223 drive through Z axle part 221 realizes Z axle slip table 222 promptly milling cutter mechanism 23 the motion of Z direction on stand 22, Z axle part 221 is common structure among the prior art with above-mentioned X axle part 213 and Y axle part 214, does not influence the utility model discloses technical scheme's realization.
Furthermore, the motor 232 transmits power to the milling cutter 234 through the electric spindle 233 from top to bottom to drive the milling cutter 234 to rotate, the structural arrangement mode can increase the rigidity of the electric spindle 233 while reducing a transmission chain, and compared with a general gear transmission and belt transmission main transmission system, the vibration generated when the electric spindle 233 rotates at a high speed is small, so that the machined hinge workpiece of the numerical control machine has better surface roughness and higher precision.
Further, the milling cutter 234 is detachably mounted on the electric spindle 233, and the type of the milling cutter 234 can be determined according to the requirements of workpieces, such as a processing plane (horizontal plane, vertical plane), a groove (key groove, T-shaped groove, dovetail groove, etc.), a tooth-dividing part (gear, spline shaft, sprocket), a spiral surface (thread, spiral groove), various curved surfaces, etc., so that the flexibility is higher; the bottom of the supporting seat 235 is provided with an automatic spraying type silicon oil cooler 217 facing the milling cutter 234, and the milling cutter 234 is cooled by automatic spraying type silicon oil, so that the effects of no cutting and no glue sticking on a cutter and sharpness keeping are achieved, materials cannot be wetted, the precision is improved, and the production efficiency is improved.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be within the scope of the present invention to perform various simple modifications to the technical solution of the present invention, and these simple modifications all belong to the protection scope of the present invention.
It should be noted that the various technical features described in the above embodiments can be combined in any suitable manner without contradiction, and in order to avoid unnecessary repetition, the present invention does not need to describe any combination of the features.
In addition, the embodiments of the present invention can be arbitrarily combined with each other, and the same shall be regarded as the disclosure of the present invention as long as the idea of the present invention is not violated.