CN105798633A - Turn-milling machining system and turn-milling machining process - Google Patents
Turn-milling machining system and turn-milling machining process Download PDFInfo
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- CN105798633A CN105798633A CN201610187274.5A CN201610187274A CN105798633A CN 105798633 A CN105798633 A CN 105798633A CN 201610187274 A CN201610187274 A CN 201610187274A CN 105798633 A CN105798633 A CN 105798633A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/48—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs
- B23Q1/4852—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs and rotating pairs a single sliding pair followed perpendicularly by a single rotating pair
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
- B23Q1/44—Movable or adjustable work or tool supports using particular mechanisms
- B23Q1/56—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/60—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism
- B23Q1/62—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides
- B23Q1/621—Movable or adjustable work or tool supports using particular mechanisms with sliding pairs only, the sliding pairs being the first two elements of the mechanism two sliding pairs only, the sliding pairs being the first two elements of the mechanism with perpendicular axes, e.g. cross-slides a single sliding pair followed perpendicularly by a single sliding pair
Abstract
The invention relates to a turn-milling machining system and a turn-milling machining process. The turn-milling machining system comprises a workbench, a rotary table and a cutter assembly, wherein a first driving mechanism is arranged on the workbench; the rotary table is arranged on the workbench, is connected with the first driving mechanism, and comprises a station used for fixing a to-be-machined workpiece; the first driving mechanism drives the rotary table to rotate on the workbench, and then the rotary table drives the workpiece to rotate; the cutter assembly is arranged above the workbench, and comprises a cutter and a second driving mechanism; and the second driving mechanism is connected with the cutter. The turn-milling machining system and the turn-milling machining process have the advantages that driven by the first driving mechanism, the rotary table drives the workpiece to rotate horizontally; the cutter moves up and down in a curved surface machining process for corners and edges of the workpiece, and the workpiece is cut when the cutter moves up and down, so that corresponding curved surfaces are formed on the corners and edges of the workpiece; the workpiece and the cutter are driven by the first driving mechanism and the second driving mechanism respectively to be matched with each other, so as to achieve machining of the complex curved surfaces and turn-milling machining; and the turn-milling machining process is simple, less working procedures are adopted, and less time is consumed.
Description
Technical field
The present invention relates to turn-milling cutting field, particularly relate to a kind of turn-milling cutting system and processing technique.
Background technology
Aluminium alloy or class aluminium alloy are that the various shells that material is made are easy to process because of it, motility is high, class is higher, added value of product can be effectively improved, be able to find broad application in electron trade, be such as processed into phone housing, panel computer shell etc., and these its corners of commonly used shell mostly are curved surface, and corner curved surface is complex, is much irregular curved surface.
Traditional CNC processing method, it is motionless that workpiece is fixed on lathe, cutter above lathe was around workpiece to be processed a week, carry out corner curved surface and the machining of edge curved surface, speed is slower, its corner curved surface processing single workpiece needs tens minutes consuming time, consuming time longer, and the corner curved surface after processing is difficult to conformance with standard, crudy is relatively low, and the corner curved surface after processing is comparatively coarse, it is difficult to reach the quality of fine grinding or super grinding, also tending to need secondary Precision Machining, overall operation is comparatively numerous and diverse.
Summary of the invention
Based on this, it is necessary to provide a kind of working (machining) efficiency height, the simple turn-milling cutting system of operation and processing technique.
A kind of turn-milling cutting system, including:
Workbench, described workbench is provided with the first driving mechanism；
Turntable, is arranged on described workbench and is connected with described first driving mechanism, and described turntable has the station for fixing workpiece to be processed, and described first driving mechanism drives described turntable rotate on described workbench and drive workpiece level to rotate；
Toolbox, it is arranged on the top of described workbench, including cutter and the second driving mechanism of being connected with described cutter, described second driving mechanism is used for driving described cutter in the vertical direction to move up and down and for driving described cutter to change radius of machining, described cutter drives the rotation of workpiece and the cooperation of the described second driving mechanism described cutter of driving movement in horizontal plane and on vertical direction by described turntable, it is achieved the Machining of Curved Surface to workpiece.
Wherein in an embodiment, also include controlling terminal, described control terminal is connected with described first driving mechanism, the second driving mechanism respectively, for control described first driving mechanism drive described turntable rotates on described workbench with make horizontal linear move, control described second driving mechanism drive described cutter move up and down and drive described cutter change radius of machining.
Wherein in an embodiment, described first driving mechanism drives described turntable and drives the workpiece geometric center place vertical axes around workpiece region to be processed to horizontally rotate.
A kind of processing technique of above-mentioned turn-milling cutting system, including step:
Workpiece to be processed is provided；
Secure the workpiece against the station on described turntable, and make the face to be processed of workpiece protrude from described turntable；
Set up three-dimensional system of coordinate O-XYZ, Z axis is the vertical axes of the geometric center by workpiece region to be processed, X, Y-axis are orthogonal horizontal direction axle, parameters at described control terminal input model workpiece, parameters according to input calculates the top of workpiece and Z axis coordinate figure corresponding to edge curved surface, obtains cutter in the diverse location working depth along Z axis；
Set the reducing speed of described cutter, the rotational frequency of turntable, described cutter is made to process with the geometric center in described workpiece region to be processed for initial point helically track, process including to the corner of workpiece, end face turn-milling cutting, edge Machining of Curved Surface, the corner of workpiece is added man-hour, control described second driving mechanism carry its tools to move to the first Working position of a corner of workpiece, control described first driving mechanism and drive turntable, drive workpiece while the vertical axes of workpiece rotates, controlling described second driving mechanism drives described cutter to move up and down according to the Z axis working depth that four corner location place difference processing stands of described workpiece are corresponding；Described second driving mechanism simultaneously drives described cutter and progressively reduces radius of machining until completing the Machining of Curved Surface of four corners of predetermined workpiece.
Wherein in an embodiment, when after the machining of described four corners, the end face of workpiece is carried out turn-milling cutting, including:
Second driving mechanism drives described cutter to move along X-axis, make cutter positioning in the geometric center position in workpiece region to be processed, while second driving mechanism drives described cutter to move horizontally to incrementally increase radius of machining on workpiece end face, first driving mechanism drives turntable, workpiece is driven to horizontally rotate about the z axis, to realize the turn-milling cutting to workpiece end face, now, described cutter is constant in the working depth of Z axis.
Wherein in an embodiment, the edge of workpiece is carried out in the process of Machining of Curved Surface, when workpiece level rotates, described second driving mechanism determines the Z axis coordinate figure of correspondence according to the machining locus obtained, so that changing the working depth of cutter when cutter is to edge Machining of Curved Surface in real time.
When the radius of machining of described cutter increases to the edge of workpiece, simultaneously to the portion top surface of workpiece and edge Machining of Curved Surface, including:
First driving mechanism drives described turntable, and drive workpiece to rotate about the z axis, second driving mechanism drives described cutter to move up and down along Z axis according to the Z axis coordinate of described workpiece portion end face with each processing stand of edge curved surface, so that cutter carries out griffing and heavy cutter according to different working depths；While described first driving mechanism drives described turntable and drives workpiece to rotate, described second driving mechanism drives described cutter progressively to strengthen radius of machining until machining whole end faces and the edge curved surface of described workpiece.
Wherein in an embodiment, when described second driving mechanism carry its tools moves to described first Working position, the radius of machining of described cutter is equal to 1/2nd of the catercorner length of workpiece end face.
Wherein in an embodiment, described second driving mechanism drives the frequency moved up and down of described cutter more than or equal to 400 beats/min, to realize the cutter corner Machining of Curved Surface to workpiece.
Wherein in an embodiment, when the corner of workpiece is carried out turn-milling cutting by described turntable cutter described in the process rotated, the rotational frequency controlling described turntable is 20-40 rev/min.
The turn-milling cutting system of the present invention and processing technique, first driving mechanism drives turntable to drive workpiece horizontally rotating, and cutter moves up and down in the Machining of Curved Surface process at corner and edge, workpiece is cut by the process moved up and down, making workpiece corner and edge form corresponding curved surface, the first driving mechanism drives workpiece and the second driving mechanism to drive the cooperation of cutter, it is achieved processing that workpiece is complex-curved and turn-milling cutting, technique is simple, and operation is few, consuming time few；Adopt the cutter that high frequency moves up and down, it is in the process that workpiece rotates, tool sharpening radius is also gradually changing, rapidly workpiece can be carried out Machining of Curved Surface, whole working (machining) efficiency at least improves five times, can meet the demand to a large amount of workpiece rapid processing, and its surface roughness of the workpiece after processing and surface profile degree are all greatly reduced, surface of the work reaches the error of the quality of super grinding, curved surface profile and nominal contour and is also greatly reduced.
Accompanying drawing explanation
Fig. 1 is the structural representation of turn-milling cutting system embodiment of the present invention；
Fig. 2 is the FB(flow block) of turn-milling cutting technique；
Fig. 3 is cutter change in process figure when workpiece is processed by shot blasting；
Fig. 4 is workpiece schematic diagram；
Fig. 5 is the partial enlarged drawing in A portion in Fig. 4；
Fig. 6 is workpiece cross section schematic diagram；
Fig. 7 is the schematic diagram of a corner processing of workpiece.
Detailed description of the invention
For the ease of understanding the present invention, below with reference to relevant drawings, the present invention is described more fully.Accompanying drawing gives the better embodiment of the present invention.But, the present invention can realize in many different forms, however it is not limited to embodiments described herein.On the contrary, provide the purpose of these embodiments be make the disclosure is understood more thorough comprehensively.
It should be noted that when an element is considered as " connection " another element, it can be directly to another element or may be simultaneously present centering elements.For illustrative purposes only, being not offered as is unique embodiment for term as used herein "left", "right" and similar statement.
Unless otherwise defined, all of technology used herein is identical with the implication that the those skilled in the art belonging to the present invention are generally understood that with scientific terminology.The term used in the description of the invention herein is intended merely to the purpose describing specific embodiment, it is not intended that in the restriction present invention.Term as used herein "and/or" includes the arbitrary and all of combination of one or more relevant Listed Items.
Referring to Fig. 1, turn-milling cutting system provided by the invention, including workbench 10, turntable 100 and toolbox (not shown)；For ease of describing, defining three-dimensional system of coordinate as shown in Figure 1 in turnning and milling is by system of processing, Z axis is that the vertical axes 210, X of the geometric center by workpiece 20, Y-axis are trunnion axis and are mutually perpendicular to；Workbench 10 is provided with the first driving mechanism (not shown)；Turntable 100 is arranged on workbench 10, and the first driving mechanism is connected with turntable 100, is used for driving turntable 100 to horizontally rotate on the table, and turntable 100 has the station for fixing workpiece to be processed 20.Workpiece 20 can be aluminum alloy casing or class aluminum alloy casing, such as phone housing, end face and the upper part turn-milling cutting to workpiece, the lower part of workpiece is clamped fixing by turntable, finished product after processing on it curved surface of the side of part all slope inwardly, as shown in Figure 6；Toolbox includes cutter and the second driving mechanism (not shown) being connected with cutter, cutter and the second driving mechanism are all arranged on the top of workbench 10, second driving mechanism is used for driving cutter to move in the Z-axis direction and for driving cutter to move along X-axis in horizontal plane, the cooperation that cutter drives turntable 100 to drive workpiece 20 to rotate in horizontal plane by the first driving mechanism and the second driving mechanism drives cutter to move along X-axis and Z axis in horizontal plane, it is achieved the Machining of Curved Surface to workpiece 20.
Concrete, turn-milling cutting system also includes controlling terminal 30, this control terminal 30 is connected with the first driving mechanism, the second driving mechanism respectively, for control the first driving mechanism be rotated platform 100 rotates on workbench 10 with make that horizontal linear is mobile along Y-axis, control the second driving mechanism carry its tools move up and down and drive cutter change radius of machining.Control terminal 30 and control the speed of each driving mechanism and the walking path of parts.
Turntable 100 includes a gripper shoe 120, is fixedly installed the spill spin block 110 that drive motor 130 on the supporting plate is connected with drive motor, the end face of spill spin block 110 is provided with the locking member for fixing workpiece, locking member forms station, gripper shoe 120 can move along Y-axis on workbench 10, drive motor 130 drives spill spin block 110 to horizontally rotate, thus driving workpiece 20 to horizontally rotate about the z axis.
In one embodiment, first driving mechanism drives turntable 100 to move along Y direction in horizontal plane, and the second driving mechanism drives cutter X-axis in horizontal plane to move, so that cutter positioning needs the geometric center position of machining area in predetermined workpiece 20, thus starting workpiece end face is carried out turn-milling cutting.Turntable 100 is served only for determining the geometric center of the workpiece of different model in the movement of Y-axis, and turntable 100 is fixed in Y direction in the process of processing.
In one embodiment, the first driving mechanism includes two driving mechanisms, one in order to drive the rotation of described turntable 100, another is for driving turntable 100 in the movement of Y direction；Described in second driving mechanisms control, cutter is while X-axis moves, and is also used for controlling the rotation of described cutter.
In one embodiment, first driving mechanism drives turntable 100 and drives the workpiece 20 geometric center 210 place vertical axes around workpiece 20 region to be processed to horizontally rotate, that is, when carrying out the Machining of Curved Surface of workpiece 20, the geometric center 210 place vertical axes that workpiece 20 is around workpiece 20 region to be processed rotates, and cutter carries out moving up and down in the process of Machining of Curved Surface, to realize the processing of the complex-curved processing in corner and edge curved surface.
The blade on cutter adopted can be arranged for reducing, and namely blade radius from top to bottom tapers into, and when workpiece 20 top end face carries out turnning and milling process, will convert the radius of clean-up of cutter.
Preferably, second driving mechanism drives the frequency moved up and down of cutter more than or equal to 400 beats/min, to realize the cutter Machining of Curved Surface to workpiece 20, the time making Machining of Curved Surface and whole workpiece 20 processing is all greatly reduced, improve the work efficiency of several times, can very well be adapted to the current demand to the processing of a large amount of workpiece 20.
Adopting the turn-milling cutting system of the present invention, its surface roughness of workpiece 20 after processing is greatly reduced, and can reach the quality of super grinding or polishing, and its surface profile degree is also greatly reduced, and is also greatly reduced with the error of standard curved surface.
Refer to Fig. 2, turn-milling cutting technique provided by the invention, including step:
S100, providing workpiece 20 to be processed, workpiece 20 can be aluminum alloy casing or class aluminum alloy casing, aluminum alloy mobile phone shell such as to be processed.
S200, workpiece 20 is fixed on the station on turntable 100, and makes the face to be processed of workpiece 20 protrude from turntable 100, the end face of workpiece 20 and plane-parallel.
S300, start processing before, first build three-dimensional coordinate model O-XYZ, Z axis is the vertical axes of the geometric center by workpiece region to be processed, X, Y-axis are orthogonal horizontal direction axle, it is possible to the initial point O being coordinate system in a position of the surface of the geometric center 210 in the region to be processed of workpiece 20 with cutter.When the workpiece 20 of other specification is carried out curved surface turn-milling cutting, it is necessary to change above-mentioned parameter controlling terminal 30.In the parameters controlling terminal input model workpiece, according to the parameters of input calculate workpiece top and Z axis coordinate figure corresponding to edge curved surface, obtain cutter in the diverse location working depth along Z axis.The such as curvature etc. of the size of input model workpiece, curved surface, calculates in three-dimensional system of coordinate according to each parameter, the Z axis coordinate figure that on X/Y plane, different processing stands are corresponding.In the end face course of processing, the Z axis coordinate figure that workpiece 20 end face is corresponding is identical, and in Machining of Curved Surface process, and the curved surface at workpiece 20 edge is because of Z axis coordinate figure corresponding to curvature difference, and Z axis coordinate figure illustrates the degree of depth that tool sharpening is processed on Z axis.
S400, set the reducing speed of cutter, turntable rotational frequency, make cutter with the geometric center in workpiece region to be processed for initial point helically track processing work, cutter according to each processing stand coordinate figure in three-dimensional system of coordinate O-XYZ, different processing stands conversion cutter corresponding to XY axial coordinate value at screw processing track in the working depth of Z axis so that the end face of workpiece and edge curved surface are carried out turn-milling cutting.The reducing speed of cutter is the cutter rate travel (i.e. radius of machining rate of change) in X-direction, cutter drives the rotation of workpiece 20 and the second driving mechanism to drive the cooperation of cutter by turntable 100, it is achieved the turn-milling cutting to the end face of workpiece 20 with curved surface.
Concrete, include three kinds of courses of processing altogether, namely the corner of workpiece is processed, end face turn-milling cutting, edge Machining of Curved Surface, the procedure of processing of corner is included by it:
S500, control the outside that the second driving mechanism carry its tools moves the first Working position of a corner to workpiece 20, control the first driving mechanism and drive turntable 100, drive workpiece 20 while the vertical axes of workpiece 20 rotates, control the second driving mechanism and move up and down according to the Z axis working depth carry its tools that four corner location place difference processing stands of workpiece 20 are corresponding；Second driving mechanism simultaneously drives cutter and progressively reduces radius of machining until completing the Machining of Curved Surface of four corners of predetermined workpiece, controlling the first driving mechanism drive turntable 100 and drive workpiece 20 to rotate after repeatedly, cutter completes the Machining of Curved Surface to 20 4 corners of workpiece.
When it should be noted that processing corner curved surface, the radius of curvature of each curved surface of same corner is extremely complex, the slewing rate of described turntable 100 is now to slowly run, rotating speed is about 20-40 rev/min, such as Fig. 4, shown in Fig. 5, namely corner 22 includes the lateral parts 222 of mid portion 221 and centrally located part, the Curvature varying of the curved surface of each several part is bigger, cutter is adding man-hour, processing rear flank, corner one, cutter needs to griffe rapidly after the mid portion of processing corner the opposite side of heavy cutter processing corner rapidly again, one section of machining locus of one of them corner of cutter is as shown in Figure 7, track P is middle convex；Meanwhile, in this course of processing, after turntable 100 rotates a circle, carry its tools is moved along X-axis by the second driving mechanism in horizontal plane, makes the radius of machining of cutter progressively reduce, namely, in this course of processing, the radius of machining of cutter is from large to small, and ecto-entad is processed.
S410, as shown in Figure 3, after the machining of four corners, again the end face of workpiece 20 is carried out turn-milling cutting, including: the second driving mechanism drives cutter to move along X-axis, make cutter positioning in the geometric center position in workpiece region to be processed, while second driving mechanism drives cutter to move horizontally to incrementally increase radius of machining on workpiece end face, first driving mechanism drives turntable 100, workpiece is driven to horizontally rotate about the z axis, to realize the turn-milling cutting to workpiece 20 end face, now, cutter is constant in the working depth of Z axis.It is to say, while workpiece 20 rotates, cutter moves along X-axis with certain speed, makes radius of machining become larger.
When the radius of machining of cutter increases to the edge of workpiece, simultaneously to the portion top surface of workpiece and edge Machining of Curved Surface, including:
S420, the first driving mechanism drive turntable 100, and drive workpiece 20 to rotate about the z axis, second driving mechanism drives cutter to move up and down along Z axis according to the Z axis coordinate of workpiece 20 portion top surface with each processing stand of edge curved surface, so that cutter is quickly carried out griffing and heavy cutter according to different working depths；While first driving mechanism drives turntable 100 and drives workpiece 20 to rotate, the second driving mechanism drives cutter progressively to strengthen radius of machining until machining whole end faces and the edge curved surface of processing 20.The edge of workpiece being carried out in the process of Machining of Curved Surface, when workpiece level rotates, described second driving mechanism determines the Z axis coordinate figure of correspondence according to the machining locus obtained, so that changing the working depth of cutter when cutter is to edge Machining of Curved Surface in real time.
Specifically, when the radius of machining of workpiece 20 is moved the edge to workpiece 20 by cutter, first driving mechanism drives turntable 100, and drive workpiece 20 to rotate about the z axis, second driving mechanism drives cutter to move up and down to change cutter in the different working depth of workpiece 20 edge curved surface along Z axis, and processing stand is at the different coordinate figures of Z axis；While first driving mechanism drives turntable 100 and drives workpiece 20 to rotate repeatedly, second driving mechanism drives cutter to move to change radius of machining in X direction in horizontal plane, to realize the Machining of Curved Surface at the edge of workpiece 20 diverse location, processing to edge and portion top surface, viewed from above, the machining locus of cutter is also track twist.
As shown in Figure 4, when turntable 100 rotates the edge 21 to workpiece 20, cutter along machining locus along R move to workpiece 20 edge 21 time, and when moving to marginal point E point, now the working depth of cutter is determined Z axis coordinate figure by the plane coordinates of the place horizontal plane XY processing stand of machining locus R, cutter is driven to change the working depth of cutter on the different XY processing stands of machining locus R according to the Z axis coordinate figure of difference, i.e. heavy cutter action；After the last point F of tool sharpening to machining locus R, cutter unsettled a period of time, then move to the opposite side at same edge 21, carry out griffing to operate with the action that above-mentioned track is contrary.
Can behind the corner processing workpiece 20, controlling the second driving mechanism drives cutter to move along X-axis at horizontal plane, first driving mechanism drives turntable to move along Y-axis in horizontal plane, cutter is made to move the surface of geometric center 210 in the region to be processed to workpiece 20, second driving mechanism drives cutter to carry out turn-milling cutting at workpiece 20 top end face, cutter moves along X-axis gradual change in horizontal plane simultaneously, makes machining locus helically track, to realize the turn-milling cutting to workpiece 20 top end face.
The remaining end face of workpiece is also carried out turn-milling cutting by the edge Machining of Curved Surface process to workpiece simultaneously.The curved surface of four corners of workpiece 20 is complex, cutter moves to the first Working position, the speed that workpiece 20 first lap rotates is slower, after rotation is turned around, change Tool in Cutting radius gradually, turned rear cutter by often circle has movement to change radius of clean-up in X/Y plane, until machining the processing of four corners.Then, cutter moves along X-axis at the second driving mechanism, and rotation platform 110 moves along Y, makes cutter be positioned at the geometric center in workpiece 20 region to be processed, refer to Fig. 3, when not starting, cutter is at center, and after starting turnning and milling process, cutter gradually changes along X-axis in horizontal plane, the radius of clean-up forming spiral type change carries out turnning and milling, its radius of clean-up is increasing, and workpiece 20 is with rotating all the time, and the end face at workpiece 20 forms spiral machining area.About 1 minute consuming time of corner Machining of Curved Surface, the turn-milling cutting completing whole workpiece 20 is total to about 3 minutes consuming time；In workpiece end face turnning and milling process, cutter maintains static in the Z-axis direction, and cutter helically formula changes radius of clean-up while moving；When radius of machining touch edge workpiece 20 edge carry out Machining of Curved Surface time, cutter has movement in Z-direction, has and griffes and the action of heavy cutter.About 15 minutes consuming time relative to traditional whole process of turnning and milling method, its process velocity of system and method provided by the invention improve several times, is greatly improved working (machining) efficiency.
Concrete, the blade of cutter can be arranged for reducing, it is possible to adopts spiral blade.
When second driving mechanism carry its tools moves to the first Working position, the machining radius of cutter is equal to 1/2nd of the catercorner length of workpiece end face, it is possible to the large area of corner is processed.
The turn-milling cutting system of the present invention and processing technique, first driving mechanism drives turntable to drive workpiece horizontally rotating, and cutter moves up and down in the Machining of Curved Surface process at corner and edge, workpiece is cut by the process moved up and down, making workpiece corner and edge form corresponding curved surface, the first driving mechanism drives workpiece and the second driving mechanism to drive the cooperation of cutter, it is achieved processing that workpiece is complex-curved and turn-milling cutting, technique is simple, and operation is few, consuming time few；Adopt the cutter that high frequency moves up and down, it is in the process that workpiece rotates, tool sharpening radius is also gradually changing, rapidly workpiece can be carried out Machining of Curved Surface, whole working (machining) efficiency at least improves five times, can meet the demand to a large amount of workpiece rapid processing, and its surface roughness of the workpiece after processing and surface profile degree are all greatly reduced, surface of the work reaches the error of the quality of super grinding, curved surface profile and nominal contour and is also greatly reduced.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics is absent from contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that, for the person of ordinary skill of the art, without departing from the inventive concept of the premise, it is also possible to making some deformation and improvement, these broadly fall into protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a turn-milling cutting system, it is characterised in that including:
Workbench, described workbench is provided with the first driving mechanism；
Turntable, is arranged on described workbench and is connected with described first driving mechanism, and described turntable has the station for fixing workpiece to be processed, and described first driving mechanism drives described turntable rotate on described workbench and drive workpiece level to rotate；
Toolbox, it is arranged on the top of described workbench, including cutter and the second driving mechanism of being connected with described cutter, described second driving mechanism is used for driving described cutter in the vertical direction to move up and down and for driving described cutter to change radius of machining, described cutter drives the rotation of workpiece and the cooperation of the described second driving mechanism described cutter of driving movement in horizontal plane and on vertical direction by described turntable, it is achieved the Machining of Curved Surface to workpiece.
2. turn-milling cutting system according to claim 1, it is characterized in that, also include controlling terminal, described control terminal is connected with described first driving mechanism, the second driving mechanism respectively, for control described first driving mechanism drive described turntable rotates on described workbench with make horizontal linear move, control described second driving mechanism drive described cutter move up and down and drive described cutter change radius of machining.
3. turn-milling cutting system according to claim 1, it is characterised in that described first driving mechanism drives described turntable and drives the workpiece geometric center place vertical axes around workpiece region to be processed to horizontally rotate.
4. a turn-milling cutting technique, it is characterised in that include step:
Workpiece to be processed is provided；
Secure the workpiece against the station on described turntable, and make the face to be processed of workpiece protrude from described turntable；
Set up three-dimensional system of coordinate O-XYZ, Z axis is the vertical axes of the geometric center by workpiece region to be processed, X, Y-axis are orthogonal horizontal direction axle, parameters at described control terminal input model workpiece, parameters according to input calculates the top of workpiece and Z axis coordinate figure corresponding to edge curved surface, obtains cutter in the diverse location working depth along Z axis；
Set the reducing speed of described cutter, the rotational frequency of turntable, described cutter is made to process with the geometric center in described workpiece region to be processed for initial point helically track, process including to the corner of workpiece, end face turn-milling cutting, edge Machining of Curved Surface, the corner of workpiece is added man-hour, control described second driving mechanism carry its tools to move to the first Working position of a corner of workpiece, control described first driving mechanism and drive turntable, drive workpiece while the vertical axes of workpiece rotates, controlling described second driving mechanism drives described cutter to move up and down according to the Z axis working depth that four corner location place difference processing stands of described workpiece are corresponding；Described second driving mechanism simultaneously drives described cutter and progressively reduces radius of machining until completing the Machining of Curved Surface of four corners of predetermined workpiece.
5. turn-milling cutting technique according to claim 4, it is characterised in that when after the machining of described four corners, the end face of workpiece is carried out turn-milling cutting, including:
Second driving mechanism drives described cutter to move along X-axis, make cutter positioning in the geometric center position in workpiece region to be processed, while second driving mechanism drives described cutter to move horizontally to incrementally increase radius of machining on workpiece end face, first driving mechanism drives turntable, workpiece is driven to horizontally rotate about the z axis, to realize the turn-milling cutting to workpiece end face, now, described cutter is constant in the working depth of Z axis.
6. turn-milling cutting technique according to claim 4, it is characterized in that, the edge of workpiece is carried out in the process of Machining of Curved Surface, when workpiece level rotates, described second driving mechanism determines the Z axis coordinate figure of correspondence according to the machining locus obtained, so that changing the working depth of cutter when cutter is to edge Machining of Curved Surface in real time.
7. turn-milling cutting technique according to claim 6, it is characterised in that when the radius of machining of described cutter increases to the edge of workpiece, simultaneously to the portion top surface of workpiece and edge Machining of Curved Surface, including:
First driving mechanism drives described turntable, and drive workpiece to rotate about the z axis, second driving mechanism drives described cutter to move up and down along Z axis according to the Z axis coordinate of described workpiece portion end face with each processing stand of edge curved surface, so that cutter carries out griffing and heavy cutter according to different working depths；While described first driving mechanism drives described turntable and drives workpiece to rotate, described second driving mechanism drives described cutter progressively to strengthen radius of machining until machining whole end faces and the edge curved surface of described workpiece.
8. turn-milling cutting technique according to claim 4, it is characterised in that when described second driving mechanism carry its tools moves to described first Working position, the machining radius of described cutter is equal to 1/2nd of the catercorner length of workpiece end face.
9. turn-milling cutting system according to claim 4, it is characterised in that described second driving mechanism drives the frequency moved up and down of described cutter more than or equal to 400 beats/min, to realize the cutter corner Machining of Curved Surface to workpiece.
10. turn-milling cutting technique according to claim 4, it is characterised in that when the corner of workpiece is carried out turn-milling cutting by described turntable cutter described in the process rotated, the rotational frequency controlling described turntable is 20-40 rev/min.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610187274.5A CN105798633A (en) | 2016-03-28 | 2016-03-28 | Turn-milling machining system and turn-milling machining process |
| KR1020187028146A KR102134813B1 (en) | 2016-03-28 | 2017-03-22 | Rotary milling system and rotary milling method |
| PCT/CN2017/077645 WO2017167089A1 (en) | 2016-03-28 | 2017-03-22 | Turning/milling system and turning/milling method |
| US16/082,425 US11110558B2 (en) | 2016-03-28 | 2017-03-22 | Turning/milling system and turning/milling method |
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