WO2017024724A1 - 卧式数控双刀车花机 - Google Patents

卧式数控双刀车花机 Download PDF

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Publication number
WO2017024724A1
WO2017024724A1 PCT/CN2015/098878 CN2015098878W WO2017024724A1 WO 2017024724 A1 WO2017024724 A1 WO 2017024724A1 CN 2015098878 W CN2015098878 W CN 2015098878W WO 2017024724 A1 WO2017024724 A1 WO 2017024724A1
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WIPO (PCT)
Prior art keywords
axis
module
clamp
axis translation
workpiece
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PCT/CN2015/098878
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English (en)
French (fr)
Inventor
何凯
朱大壮
方海涛
邱艳
陈浩
汪正东
杜如虚
Original Assignee
深圳先进技术研究院
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Publication of WO2017024724A1 publication Critical patent/WO2017024724A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B5/00—Turning-machines or devices specially adapted for particular work; Accessories specially adapted therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B23/00—Tailstocks; Centres
    • B23B23/04—Live centres
    • 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
    • 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B23Q11/0067—Devices for removing chips chip containers located under a machine or under a chip conveyor
    • 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
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/08—Protective coverings for parts of machine tools; Splash guards
    • B23Q11/0816—Foldable coverings, e.g. bellows
    • 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
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44B—MACHINES, APPARATUS OR TOOLS FOR ARTISTIC WORK, e.g. FOR SCULPTURING, GUILLOCHING, CARVING, BRANDING, INLAYING
    • B44B5/00—Machines or apparatus for embossing decorations or marks, e.g. embossing coins
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Definitions

  • the invention relates to a machine tool for processing jewelry and jewellery, in particular to a horizontal CNC double-knife flower machine.
  • the object of the present invention is to provide a horizontal CNC double-knife flower machine, which realizes simultaneous processing of double knives and greatly improves processing efficiency.
  • Another object of the present invention is to provide a horizontal CNC double-knife flower machine, which is convenient for assembly and debugging of the whole machine and improves processing precision.
  • Another object of the present invention is to provide a horizontal CNC double-knife flower machine, which can realize a machine processing a variety of shapes of jewelry, and improve the versatility of the flower machine.
  • Another object of the present invention is to provide a horizontal CNC double-knife flower machine capable of improving the recovery efficiency of chips.
  • the object of the present invention is achieved by a horizontal CNC double-knife flower machine, the flower-making machine comprising a work table, the working table is provided with a feed module and a clamp module; and the orthogonal coordinate system is set The plane where the X axis and the Z axis are located is parallel to the table top of the worktable, and the Y axis is perpendicular to the table top of the worktable; the clamp module is used for clamping the workpiece, and the clamp module drives the workpiece to rotate and swing, the workpiece The axis of rotation is parallel to the table top of the table, the workpiece The axis of oscillation is perpendicular to the table top of the table;
  • the infeed module includes a first infeed module and a second infeed module having the same structure, and the first infeed module and the second infeed module are centrally symmetrically arranged on the table with respect to a swing axis of the workpiece ;
  • the first infeed module and the second infeed module are respectively provided with a tool, and the first infeed module and the second infeed module respectively drive the corresponding tool to translate in the X axis direction or the Z axis direction, and drive the corresponding tool Swing around the X axis.
  • the first infeed module includes: a Z-axis translation stage, the Z-axis translation stage is fixed on the table, and the Z-axis translation stage is extended along the Z-axis direction. ;
  • An X-axis translation stage is disposed on the Z-axis translation stage, and is driven to move along the Z-axis under the driving of the Z-axis translation driving element;
  • An X-axis oscillating device disposed on the X-axis translation stage and translated along the X-axis under driving of the X-axis translational driving element; and the X-axis oscillating device is driven by the X-axis oscillating driving element Swing around the X axis;
  • a tool holder that is coupled to the X-axis swinging device and swings together with the X-axis swinging device, the cutter being disposed on the tool holder.
  • the clamp module includes: a clamp mounting bottom plate, the lower side of the clamp mounting bottom plate is fixedly connected to the clamp swing shaft, and the clamp swing shaft is perpendicular to the table top of the worktable; a horizontal sliding rail is fixed on the upper side of the fixture mounting bottom plate;
  • a fixing fixture mounting seat fixedly disposed on the fixture mounting bottom plate at one end of the horizontal sliding rail; the fixing fixture mounting seat is rotated to be provided with a first tip, the first top end The axis of rotation is parallel to the table top of the table;
  • the moving clamp mounting seat is slidably disposed on the horizontal sliding rail; the moving clamp mounting seat is rotated to be provided with a second tip, and the second tip is opposite to the first tip and two The axes of rotation of the person coincide;
  • a workpiece rotation driving element driving the first tip rotation
  • clamp moving drive element driving the mobile clamp mount to slide along the horizontal slide rail
  • the workpiece swings the drive member, and the workpiece swing drive member drives the clamp swing shaft to rotate.
  • a Z-axis translation member is disposed on the Z-axis translation stage, and the Z-axis translation member is translated along the Z-axis by the Z-axis translation driving element, and the X-axis translation stage Fixedly coupled to the Z-axis translation member;
  • the X-axis translation stage is provided with an X-axis translation member, and the X-axis translation member is driven by the X-axis translation drive element Translating along the X-axis, the X-axis translation member is fixed with a guiding shaft extending in the Y-axis direction, the X-axis swinging device is slidably disposed on the guiding shaft, and is opposite to the guiding shaft by a locking screw fixed.
  • the X-axis swinging device includes a support, the support is slidably disposed on the guide shaft, and is relatively fixed to the guide shaft by the locking screw;
  • the X-axis oscillating driving element is fixed on the seat, and the rotating output shaft of the X-axis oscillating driving element is disposed along the X-axis direction, and the rotating output shaft is fixedly connected with a flange connecting piece, and the tool holder is adjusted by a dovetail groove A mechanism is attached to the flange connector.
  • the dovetail adjustment mechanism includes: a first adjusting member, one side of the first adjusting member is fixedly connected to the flange connecting member, and the other side is provided along the Z-axis direction Extended first dovetail slot;
  • one side of the second adjusting member is slidably connected to the first adjusting member through the first dovetail groove, and the other side is provided with a second dovetail groove extending in the Y-axis direction;
  • a third adjusting member one side of the third adjusting member is slidably connected to the second adjusting member through the second dovetail groove, and the other side is fixedly connected to the tool holder.
  • the tool is rotatably disposed on the tool holder, and the tool holder is fixedly provided with a cutter driving component and a pulley group, and the cutter driving component bypasses the pulley through a transmission belt.
  • the tool holder is further provided with a protective cover that encapsulates the pulley set to prevent chips from entering therein.
  • a chip collection box is disposed between the first infeed module and the jig module, and between the second infeed module and the jig module, the chip collection box Provided on the workbench; the workbench is further provided with a chip discharge port, and a scrap collection device is disposed below the workbench, and chips on the workbench fall into the chip through the chip discharge port In the collection device.
  • a Z-axis translation driving component is disposed at one end of the Z-axis translation stage, and the Z-axis translation member is driven to move along the Z-axis by a linear module;
  • the X-axis translation driving component is disposed at one end of the X-axis translation stage, and the X-axis translation member is driven to move along the X-axis by a linear module;
  • the Z-axis translation stage and the X-axis translation stage are each provided with a flexible organ cover for preventing chips from falling therein.
  • the first tip is detachably mounted on the fixing fixture mounting seat through the intermediate connecting member; the second tip is detachably mounted on the moving clamp by the intermediate connecting member.
  • a buffering element is disposed on the clamp mounting bottom plate, the cushioning component is located in a direction of the moving clamp mounting seat along the horizontal sliding rail away from the fixed clamp mounting seat, and can touch the moving clamp mounting seat .
  • the clamp swing shaft is disposed on the worktable by rotation of the bearing housing.
  • the workpiece oscillating drive element is mounted under the table by a drive element mount; the chip collection box is attracted to the bearing block by a magnet.
  • the pattern of the stencil machine of the present invention is often center-symmetrical with respect to the center of the workpiece and the feed direction must be fed along the normal line of the machining point, and two feed modules are used. And the setting position is center-symmetric with respect to the swing axis of the workpiece.
  • the combined motion of each shaft in each module is used to realize the simultaneous processing of the double-knife, thereby greatly improving the processing efficiency, and also improving the processing efficiency.
  • By adjusting the dovetail adjustment mechanism in the feed module it is easy to install and debug and ensure the precision of the processed products.
  • the chip recycling efficiency is greatly improved by rationally arranging a simple and practical chip recycling device.
  • Figure 1 is a front elevational view showing the overall structure of the double-knife flower machine of the present invention.
  • FIG. 2 is a top plan view of each module of the double-knife flower machine of the present invention.
  • Fig. 3 is a structural schematic view of a jig module in the double-knife flower machine of the present invention.
  • Fig. 4 is a schematic view showing the initial processing for processing an ellipsoidal workpiece by using the flowering machine of the present invention.
  • the present invention provides a horizontal CNC double-knife flower machine, which can meet the processing requirements of high precision, high efficiency and high chip recovery rate.
  • the car machine includes a work table with an infeed module and a clamp module. Set in the orthogonal coordinate system of the car machine, the plane where the X axis and the Z axis are located is parallel to the table top of the table, and the Y axis is perpendicular to the table of the table. See the coordinate indications in the drawings.
  • the clamp module is used for clamping the workpiece.
  • the clamp module can drive the workpiece to rotate and oscillate.
  • the rotation axis of the workpiece is parallel to the table surface of the worktable, and the swing axis of the workpiece is perpendicular to the table top of the worktable.
  • the feed module comprises a first feed module and a second feed module of identical construction, the first feed module and the second feed module being arranged centrally symmetrically about the pivot axis of the workpiece on the table.
  • the first infeed module and the second infeed module are respectively provided with tools, and the first infeed module and the second infeed module can respectively drive the corresponding tool to translate in the X-axis direction or the Z-axis direction, and can drive corresponding The tool swings around the X axis.
  • the pattern is often center-symmetrical about the center of the workpiece (as shown in Figure 4, point A and point B), and the infeed direction must be fed along the normal of the machining point.
  • the flower plucking machine of the invention fully utilizes the regularity of the knurling process, adopts two feeding modules and the setting position is centrally symmetrical with respect to the swing axis of the workpiece, and the swing axis of the workpiece passes through the center of the workpiece and is perpendicular to the table top of the worktable. That is, the swing axis of the workpiece coincides with the direction of the Y-axis.
  • Both the first infeed module and the second infeed module can drive the tool to translate in the X-axis direction or the Z-axis direction, and can drive the tool to swing around the X-axis.
  • the clamp module can drive the workpiece to rotate and swing, and the X-axis direction is the tool.
  • the normal direction of the machining point coincides with the X-axis direction by the swing of the workpiece.
  • the tool holder for mounting the tool is connected with the X-axis swinging device through the dovetail adjusting mechanism, and the dovetail adjusting mechanism enables the tool to be adjusted along the Z-axis direction and the Y-axis direction, thereby realizing calibration and debugging of the assembled tool, and ensuring the processed product. Precision.
  • the clamp module is provided with a fixed clamp mount and a mobile clamp mount, and the fixed clamp mount and the mobile clamp mount are respectively detachably mounted with the first tip and the second tip through the intermediate connector.
  • the mobile clamp mount is slidable relative to the stationary clamp mount to clamp or loosen the workpiece through the first tip and the second tip.
  • a chip collection box is disposed between the first infeed module and the jig module, and between the second infeed module and the jig module, the chip is also provided with a chip discharge port, and a chip collecting device is arranged below the working table. The chips on the table fall into the chip collecting device through the chip discharge port. It solves the short distance between the feed module and the clamp module, and it is not convenient to clean the chip and can collect most of the chips.
  • the present invention provides a horizontal CNC double-knife flower machine 100, mainly composed of a first feed module 33, a second feed module 36, and a clamp.
  • Module 34 consists of three core parts.
  • the work frame 2 is disposed on the frame 1.
  • the first feed module 33, the second feed module 36 and the clamp module 34 are all disposed on the worktable 2, wherein the first feed module 33 and the second feed module 36 has the same structure, and the mounting positions of the two are center-symmetrical with respect to the swing axis of the workpiece.
  • Each of the feed modules includes a Z-axis translation stage 4, an X-axis translation stage 6, an X-axis swinging device 7, and a tool holder 12.
  • the Z-axis translation stage 4 is fixed to the table 2, and the Z-axis translation stage 4 is extended along the Z-axis direction.
  • the X-axis translation stage 6 is disposed on the Z-axis translation stage 4, driven by the Z-axis translation drive element 3 Shift along the Z axis.
  • the Z-axis translation stage 4 is provided with a Z-axis translation member (not shown), and the Z-axis translation member is translated along the Z-axis by the Z-axis translation drive element 3, and the Z-axis translation drive element 3 is set at Z.
  • One end of the shaft translation stage 4 drives the Z-axis translation member to move along the Z-axis through the linear module, that is, the Z-axis translation drive element 3 drives the linear module to realize the translation of the Z-axis translation member along the Z-axis, and the X-axis translation stage 6 is fixedly connected to the Z-axis. On the shaft translation member, it moves with the Z-axis translation member.
  • the X-axis oscillating device 7 is disposed on the X-axis translation stage 6 and is translated along the X-axis under the driving of the X-axis translation driving element 5; and the X-axis oscillating device 7 is oscillated about the X-axis under the driving of the X-axis oscillating driving member 71.
  • the X-axis translation stage 6 is provided with an X-axis translation member (not shown), and the X-axis translation member is driven along the X-axis by the X-axis translation drive element 5, and the X-axis translation drive element 5 is set at X.
  • One end of the shaft translation stage 6 drives the X-axis translation member to translate along the X-axis through a linear module.
  • a guide shaft 17 extending in the Y-axis direction is fixed to the X-axis translation member.
  • the support 72 in the X-axis swinging device 7 is slidably disposed on the guide shaft 17, and is relatively fixed to the guide shaft 17 by the locking screw 16. By adjusting the locking screw 16, the X-axis swinging device 7 can be moved up and down along the guide shaft 17, and the fine adjustment of the swing axis of the X-axis swinging device 7 in the Y-axis direction can be realized.
  • An X-axis oscillating driving member 71 is fixed on the support 72.
  • the rotating output shaft of the X-axis oscillating driving member 71 is disposed along the X-axis direction, and a flange connecting member 73 is fixedly coupled to the rotating output shaft to drive the flange connecting member 73.
  • the tool holder 12 is coupled to the flange connecting member 73 via a dovetail adjusting mechanism 9 to swing about the X-axis, and the cutter 121 is disposed on the tool holder 12.
  • the dovetail adjustment mechanism 9 includes a first adjustment member 91, a second adjustment member 92, and a third adjustment member 93.
  • first adjusting member 91 is fixedly coupled to the flange connecting member 73, and the other side is provided with a first dovetail groove extending in the Z-axis direction.
  • One side of the second adjusting member 92 is provided with a sliding block that cooperates with the first dovetail groove, and is slidably connected to the first dovetail groove of the first adjusting member 91 through the sliding block, and the second side is provided with a second extending along the Y-axis direction.
  • Dovetail slot is provided with a sliding block that cooperates with the first dovetail groove, and is slidably connected to the first dovetail groove of the first adjusting member 91 through the sliding block, and the second side is provided with a second extending along the Y-axis direction.
  • One side of the third adjusting member 93 is provided with a sliding block that cooperates with the second dovetail groove, and the sliding block is slidably connected with the second dovetail groove of the second adjusting member 92, and the other side is fixedly connected with the blade holder 12.
  • the first adjusting member 91, the second adjusting member 92, and the third adjusting member 93 further have fixing means for relatively fixing the two between them, thereby preventing the offset from being generated by an external force.
  • the X-axis direction is coincident with the swing axis of the X-axis swinging device 7 through the center line of the center of the cutter 121.
  • Both the Z-axis translation stage 4 and the X-axis translation stage 6 are provided with a flexible organ cover 18 (prior art) for preventing chips from falling therein.
  • the cutter 121 is rotatably disposed on the tool holder 12.
  • the tool drive member 10 and the pulley assembly 11 are fixedly mounted on the tool holder 12.
  • the cutter drive member 10 is connected to the cutter 121 through the belt pulley 11 and drives the cutter 121 to rotate at a high speed ( The rotation of the tool is processed.
  • the tool holder 12 is further provided with a protective cover which is composed of a sheet metal member and encapsulates the pulley group 11 to prevent chips from entering therein.
  • Each infeed module can realize the translation of the tool 121 along the X and Z axes and around the X axis.
  • the adjustment of the tool 121 in the Z-axis and the Y-axis direction and the fine adjustment of the swing axis of the X-axis swinging device 7 in the Y-axis direction are achieved, and the center line of the tool in the X-axis direction and the swing around the X-axis are achieved.
  • the axis, the horizontal plane passing through the center of the workpiece coincides. The installation and commissioning work can be easily completed, and the precision required for machining can be ensured to the utmost extent.
  • the jig module 34 includes a jig mounting bottom plate 24, a fixed jig mounting seat 26, a moving jig mounting seat 13, a workpiece rotation driving element 25, a jig moving driving element 30, and a workpiece swing driving element 23.
  • the lower side of the jig mounting bottom plate 24 is fixedly coupled to the jig pivot shaft 32, and the jig pivot shaft 32 is perpendicular to the table surface of the table 2, that is, coincides with the Y-axis direction.
  • a horizontal slide rail 29 is fixed to the upper side of the clamp mounting bottom plate 24.
  • the fixing jig mount 26 is fixedly disposed on the jig mounting bottom plate 24 at one end of the horizontal slide rail 29.
  • the first clamp tip 281 is rotated on the fixed clamp mount 26, and the rotation axis of the first tip 281 is parallel to the table top of the worktable 2.
  • the moving jig mount 13 is slidably disposed on the horizontal rail 29.
  • a second tip 282 is disposed on the moving fixture mount 13 .
  • the second tip 282 is disposed opposite to the first tip 281 and the axes of rotation of the two are coincident.
  • the workpiece is clamped between the two centers, and the workpiece is driven by the rotation driving component 25 .
  • the first tip 281 rotates and the workpiece is rotated by the first tip 281.
  • the jig moving drive member 30 drives the moving jig mount 13 to slide along the horizontal rail 29 to move toward or away from the fixed jig mount 26 to clamp or release the workpiece.
  • the workpiece swing driving member 23 drives the jig swing shaft 32 to rotate.
  • the first tip 281 is detachably mounted on the fixed fixture mount 26 by the intermediate connector 27; the second tip 282 is detachably mounted to the movable clamp mount 13 via the intermediate connector 27.
  • the clamp mounting base plate 24 is provided with a cushioning member 31 which is located in the moving clamp mounting seat along the horizontal slide rail 29 away from the fixed clamp mounting seat 26 and can touch the moving clamp mounting seat 13 when the workpiece is released.
  • the cushioning member 31 functions as a buffer.
  • the jig swing shaft 32 is rotatably disposed on the table 2 through the bearing housing 20, and the workpiece swing drive member 23 is mounted under the table 2 through the drive member mount 22.
  • the clamp module 34 can achieve the rotation of the workpiece and the swing about the Y axis.
  • the various driving elements mentioned above may be driven by various driving methods in the prior art, such as a motor, a pneumatic or a hydraulic motor.
  • the linear module mentioned above can be used in various ways in the prior art, such as a screw slider, a linear bearing, and the like.
  • a chip collection box 19 is disposed between the first infeed module 33 and the clamp module 34, and between the second infeed module 36 and the clamp module 34.
  • the chip collection box 19 is disposed on the table 2, and the chip collection box 19 is passed through a magnet. Adsorbed on the bearing housing 20. Solving the problem that the distance between the feed module and the clamp module is short is not convenient for cleaning the chips.
  • the table 2 is further provided with a chip discharge port 35. As shown in FIG. 2, a chip discharge port 35 may be respectively disposed at both ends of the jig module 34, and is disposed below the table 2 corresponding to each chip discharge port 35.
  • the port 35 is swept into the chip collecting device 21 below the table 2 to collect most of the chips.
  • the installation commissioning process of the present invention is such that the center line of the cutter 121 in the X-axis direction coincides with the swing axis of the X-axis swinging device 7 by adjusting the dovetail adjustment mechanism 9 in the feed modules 33, 36 during assembly.
  • the X-axis oscillating device 7 is moved up and down along the guide shaft 17, and the center line and the swing axis of the overlapped cutter 121 in the X-axis direction are finely adjusted in the Y-axis direction so as to pass the horizontal plane passing through the center of the workpiece ( That is, the plane parallel to the X-axis, the plane of the Z-axis, and passing through the center of the workpiece) coincide.
  • the Z-axis translation drive element 3 controls the movement of the tool 121 along the Z-axis, and the center line of the tool 121 along the X-axis direction and the swing axis of the X-axis swing device 7 (both have been adjusted to coincide) pass through the center of the workpiece. Installation and commissioning is completed.
  • the clamp moving drive component 30 drives the movable clamp mount 13 to move along the horizontal slide rail 29 to achieve the workpiece tightening. At this time, the rotation axis of the workpiece is consistent with the Z axis, and the cutter advances. Give the direction to the X direction.
  • n represents the normal direction of the surface at the machining point
  • f represents the feed direction of the tool at the machining point.
  • the angle between the two points at point A and point B is 19 degrees, which is different depending on the surface of the workpiece. And different.
  • Points A and B to be machined are symmetrical about the center of the workpiece, the pattern is uniform and the feed direction f must be along the normal direction n of the machining point. Since the position of the two feed modules is centrally symmetrical about the swing axis of the workpiece (the swing axis of the workpiece passes through the center of the workpiece), the workpiece swings the drive member 23 of the control clamp module 34 to drive the workpiece around the Y axis (consistent with the direction of the swing axis) Rotate 19 degrees clockwise, as shown in Fig. 5, at this time, the normal direction n of point A and point B coincides with the feeding direction f of the tool.
  • the two cutters 121 are moved to points A and B, respectively.
  • the feeding of the tool 121 along the X axis is realized by simultaneously controlling the X-axis translation driving element 5 of each feeding module, that is, the feeding of the tool feeding direction f along points A and B, and also the normals along the points A and B.
  • the X-axis oscillating device 7 can realize the swing of the cutter 121 at any angle around the X-axis, and can process more complicated patterns (such as the rice-shaped pattern) at points A and B, and simultaneously realize the A point and the B. Point processing.
  • the machining method is simpler.
  • the feed module can achieve double-knife machining without the translation of the tool along the Z-axis.
  • the clamp module can be double-knife without rotating around the Y-axis. Therefore, the rinsing machine of the present invention is greatly improved in versatility with respect to the conventional car plucking machine.
  • the invention is suitable for the processing of various jewels such as a sphere, an ellipsoid and a cylinder, and has high applicability.
  • the pattern of the stencil machine of the present invention is often center-symmetrical with respect to the center of the workpiece and the feed direction must be fed along the normal line of the machining point, and two feed modules are used.
  • the setting position is center-symmetric with respect to the swing axis of the workpiece, and by appropriately allocating the movements of the respective axes of the feed module and the clamp module,
  • the combined movement of each axis in the module realizes the simultaneous processing of double knives, which greatly improves the processing efficiency, and can also realize the processing of products with different shapes and different specifications, and improve the versatility of the stencil machine.
  • By adjusting the dovetail adjustment mechanism in the feed module it is easy to install and debug and ensure the precision of the processed products.
  • the chip recycling efficiency is greatly improved by rationally arranging a simple and practical chip recycling device.

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  • Mechanical Engineering (AREA)
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Abstract

一种卧式数控双刀车花机，工作台（2）上设有进刀模块和夹具模块（34）。进刀模块中的第一和第二进刀模块（33，36）在工作台（2）上关于工件的摆动轴线呈中心对称的设置。第一和第二进刀模块（33，36）均能带动刀具（121）沿X轴方向或Z轴方向平移，并能带动刀具（121）围绕X轴摆动。优点是能提高加工效率，便于整机的装配调试，同时提高切屑的回收效率。

Description

卧式数控双刀车花机 技术领域
本发明是关于一种用于珠宝首饰车花加工的机床，尤其涉及一种卧式数控双刀车花机。
背景技术
目前，国内外对于车花机虽有一定的研究，但仍旧存在诸多弊端。为了保证珠宝首饰车花加工的工艺性及精度，车花机的部分运动轴的相对位置必须满足严格的要求。现有车花机整机安装调试时并没有设置微调机构，各轴初始相对位置精度仅靠加工保证，势必导致装机困难且在初始位置便为保证加工精度埋下了隐患。现有车花机普遍采用立式单刀加工，效率低下，对于不同形状规格的产品，现有车花机的通用性较差且切屑回收率普遍偏低。现有的车花机装机存在调试困难、加工精度普遍不高、效率低下、对加工珠宝的形状要求严格，通用性差且切屑回收困难。
由此，本发明人凭借多年从事相关行业的经验与实践，提出一种卧式数控双刀车花机，以克服现有技术的缺陷。
发明内容
本发明的目的在于提供一种卧式数控双刀车花机，实现双刀的同时加工，大大提高加工效率。
本发明的另一目的在于提供一种卧式数控双刀车花机，便于整机的装配调试，提高加工的精度。
本发明的再一目的在于提供一种卧式数控双刀车花机，可实现一机加工多种形状的珠宝，提高车花机的通用性。
本发明的又一目的在于提供一种卧式数控双刀车花机，能提高切屑的回收效率。
本发明的目的是这样实现的，一种卧式数控双刀车花机，所述车花机包括工作台，所述工作台上设有进刀模块和夹具模块；设定正交坐标系中X轴和Z轴所在的平面与所述工作台的台面平行，Y轴垂直于所述工作台的台面；所述夹具模块用于夹持工件，所述夹具模块带动工件进行自转和摆动，工件的自转轴线与所述工作台的台面平行，工件 的摆动轴线与所述工作台的台面垂直；
所述进刀模块包括结构相同的第一进刀模块和第二进刀模块，所述第一进刀模块和第二进刀模块在所述工作台上关于工件的摆动轴线呈中心对称的设置；
所述第一进刀模块和第二进刀模块上均设有刀具，所述第一进刀模块和第二进刀模块分别带动相应刀具沿X轴方向或Z轴方向平移，并带动相应刀具围绕X轴摆动。
在本发明的一较佳实施方式中，第一进刀模块包括：Z轴平移台，所述Z轴平移台固定在所述工作台上，所述Z轴平移台沿着Z轴方向延伸设置；
X轴平移台，所述X轴平移台设置在所述Z轴平移台上，在Z轴平移驱动元件驱动下沿Z轴平移；
X轴摆动装置，所述X轴摆动装置设置在所述X轴平移台上，在X轴平移驱动元件驱动下沿X轴平移；且所述X轴摆动装置在X轴摆动驱动元件的驱动下绕X轴摆动；
刀架，所述刀架与所述X轴摆动装置连接并与所述X轴摆动装置一起摆动，所述刀具设置在所述刀架上。
在本发明的一较佳实施方式中，夹具模块包括：夹具安装底板，所述夹具安装底板的下侧与夹具摆动轴固定连接，所述夹具摆动轴垂直于所述工作台的台面；所述夹具安装底板的上侧固定设有一水平滑轨；
固定夹具安装座，所述固定夹具安装座固定设置在所述夹具安装底板上，位于所述水平滑轨的一端；所述固定夹具安装座上转动设有第一顶尖，所述第一顶尖的转动轴线平行于所述工作台的台面；
移动夹具安装座，所述移动夹具安装座滑动设置在所述水平滑轨上；所述移动夹具安装座上转动设有第二顶尖，所述第二顶尖与所述第一顶尖相对设置且两者的转动轴线重合；
工件自转驱动元件，所述工件自转驱动元件驱动所述第一顶尖转动；
夹具移动驱动元件，所述夹具移动驱动元件驱动所述移动夹具安装座沿所述水平滑轨滑动；
工件摆动驱动元件，所述工件摆动驱动元件驱动所述夹具摆动轴转动。
在本发明的一较佳实施方式中，Z轴平移台上设有Z轴平移件，所述Z轴平移件在所述Z轴平移驱动元件驱动下沿Z轴平移，所述X轴平移台固定连接在所述Z轴平移件上；
所述X轴平移台上设有X轴平移件，所述X轴平移件在所述X轴平移驱动元件驱动 下沿X轴平移，所述X轴平移件上固定有一沿Y轴方向延伸的导向轴，所述X轴摆动装置滑动设置在所述导向轴上，并通过锁紧螺钉与所述导向轴相对固定。
在本发明的一较佳实施方式中，X轴摆动装置包括支座，所述支座滑动设置在所述导向轴上，并通过所述锁紧螺钉与所述导向轴相对固定；所述支座上固定所述X轴摆动驱动元件，所述X轴摆动驱动元件的转动输出轴沿X轴方向设置，所述转动输出轴上固定连接一法兰连接件，所述刀架通过燕尾槽调整机构连接在所述法兰连接件上。
在本发明的一较佳实施方式中，燕尾槽调整机构包括：第一调整件，所述第一调整件的一侧与所述法兰连接件固定连接，另一侧设有沿Z轴方向延伸的第一燕尾槽；
第二调整件，所述第二调整件的一侧与所述第一调整件通过所述第一燕尾槽滑动连接，另一侧设有沿Y轴方向延伸的第二燕尾槽；
第三调整件，所述第三调整件的一侧与所述第二调整件通过所述第二燕尾槽滑动连接，另一侧与所述刀架固定连接。
在本发明的一较佳实施方式中，刀具转动设置在所述刀架上，所述刀架上固定设有刀具驱动元件及带轮组，所述刀具驱动元件通过传动带绕过所述带轮组连接至所述刀具，带动所述刀具旋转；
所述刀架上还设有防护罩，所述防护罩将所述带轮组封装，防止切屑进入其中。
在本发明的一较佳实施方式中，第一进刀模块与所述夹具模块之间、所述第二进刀模块与所述夹具模块之间均设有切屑收集盒，所述切屑收集盒设置在所述工作台上；所述工作台上还设有切屑排出口，所述工作台的下方设有切屑收集装置，所述工作台上的切屑通过所述切屑排出口落入所述切屑收集装置中。
在本发明的一较佳实施方式中，Z轴平移驱动元件设在所述Z轴平移台的一端，通过直线模块驱动所述Z轴平移件沿Z轴平移；
所述X轴平移驱动元件设在所述X轴平移台的一端，通过直线模块驱动所述X轴平移件沿X轴平移；
所述Z轴平移台和所述X轴平移台上均设有防止切屑落入其中的柔性风琴罩。
在本发明的一较佳实施方式中，第一顶尖通过中间连接件能拆卸的安装在所述固定夹具安装座上；所述第二顶尖通过中间连接件能拆卸的安装在所述移动夹具安装座上；
所述夹具安装底板上设有缓冲元件，所述缓冲元件位于所述移动夹具安装座沿所述水平滑轨远离所述固定夹具安装座的方向上，并能触碰到所述移动夹具安装座。
在本发明的一较佳实施方式中，夹具摆动轴通过轴承座转动设置在所述工作台上， 所述工件摆动驱动元件通过驱动元件安装座安装在所述工作台下方；所述切屑收集盒通过磁铁吸附在所述轴承座上。
由上所述，本发明的车花机根据珠宝首饰车花加工的特殊性，花纹往往关于工件的中心呈中心对称且进刀方向须沿加工点的法线进给，采用两个进刀模块且设置位置关于工件的摆动轴线呈中心对称，通过合理分配各进刀模块与夹具模块各轴的运动，利用各模块中各轴的组合运动实现双刀同时加工，大大提高加工的效率，也可实现不同形状，不同规格的产品加工，提高车花机的通用性。通过调节进刀模块中的燕尾槽调整机构，易于装机调试并保证加工产品的精度。通过合理布置简单实用的切屑回收装置，大大提高切屑的回收效率。
附图说明
以下附图仅旨在于对本发明做示意性说明和解释，并不限定本发明的范围。其中：
图1：为本发明双刀车花机的整体结构正面示意图。
图2：为本发明双刀车花机各个模块的俯视示意图。
图3：为本发明双刀车花机中夹具模块的结构示意图。
图4：为采用本发明车花机加工椭球形工件的初始加工示意图。
图5：为采用本发明车花机加工椭球形工件旋转后加工示意图。
具体实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图说明本发明的具体实施方式。
如图1所示，本发明提供了一种卧式数控双刀车花机，可满足高精度、高效率、高切屑回收率的加工要求。该车花机包括一个工作台，工作台上设有进刀模块和夹具模块。设定在车花机的正交坐标系中X轴和Z轴所在的平面与工作台的台面平行，Y轴垂直于工作台的台面，参见各附图中的坐标指示。夹具模块用于夹持工件，夹具模块能带动工件进行自转和摆动，工件的自转轴线与工作台的台面平行，工件的摆动轴线与工作台的台面垂直。进刀模块包括结构相同的第一进刀模块和第二进刀模块，第一进刀模块和第二进刀模块在工作台上关于工件的摆动轴线呈中心对称的设置。第一进刀模块和第二进刀模块上均设有刀具，第一进刀模块和第二进刀模块均能带动相对应的刀具沿X轴方向或Z轴方向平移，并能带动相对应的刀具围绕X轴摆动。
针对珠宝首饰车花加工工艺的特殊性，花纹往往关于工件的中心呈中心对称(如图4中A点与B点花纹一致)且进刀方向必须沿加工点的法线进给。本发明的车花机充分利用这一车花工艺的规律性，采用两个进刀模块且设置位置关于工件的摆动轴线呈中心对称，工件的摆动轴线通过工件的中心并与工作台的台面垂直，也即工件的摆动轴线与Y轴的方向一致。第一进刀模块和第二进刀模块均能带动刀具沿X轴方向或Z轴方向平移，并能带动刀具围绕X轴摆动，夹具模块能带动工件进行自转和摆动，X轴方向为刀具的进刀方向，通过工件的摆动使加工点的法线方向与X轴方向重合。通过合理分配进刀模块与夹具模块各轴的运动，该车花机具有八轴的加工自由度，利用各模块各轴的组合运动使其加工过程中可以实现双刀同时加工，以及各种不同花纹的加工，大大提高加工的效率。
进一步，安装刀具的刀架通过燕尾槽调整机构与X轴摆动装置连接，燕尾槽调整机构能使刀具沿着Z轴方向和Y轴方向进行调整，实现装配后刀具的校准和调试，保证加工产品的精度。
进一步，夹具模块设有固定夹具安装座和移动夹具安装座，固定夹具安装座和移动夹具安装座上分别通过中间连接件能拆卸的安装有第一顶尖和第二顶尖。移动夹具安装座能相对固定夹具安装座进行滑移，从而通过第一顶尖和第二顶尖将工件夹紧或松开。当加工不同规格尺寸的工件时，只需通过中间连接件拆卸、更换不同长度规格的第一顶尖和第二顶尖即可，加上夹具模块与进刀模块各轴的相互配合运动可实现不同形状、不同规格的产品加工，提高车花机的通用性。
进一步，第一进刀模块与夹具模块之间、第二进刀模块与夹具模块之间均设有切屑收集盒，工作台上还设有切屑排出口，工作台的下方设有切屑收集装置，工作台上的切屑通过切屑排出口落入切屑收集装置中。解决了进刀模块与夹具模块之间距离短，不便于清扫切屑问题的同时，能收集绝大部分切屑。
作为本发明的一个具体实施例，如图1至图3所示，本发明提供一种卧式数控双刀车花机100，主要由第一进刀模块33、第二进刀模块36、夹具模块34三大核心部分构成。机架1上设有一个工作台2，第一进刀模块33、第二进刀模块36和夹具模块34都设置在工作台2上，其中，第一进刀模块33和第二进刀模块36结构相同，两者的安装位置关于工件的摆动轴线呈中心对称。其中，各进刀模块包括Z轴平移台4、X轴平移台6、X轴摆动装置7及刀架12。Z轴平移台4固定在工作台2上，Z轴平移台4沿着Z轴方向延伸设置。X轴平移台6设置在Z轴平移台4上，在Z轴平移驱动元件3驱动下 沿Z轴平移。具体的，Z轴平移台4上设有Z轴平移件(图中未示出)，Z轴平移件在Z轴平移驱动元件3驱动下沿Z轴平移，Z轴平移驱动元件3设在Z轴平移台4的一端，通过直线模块驱动Z轴平移件沿Z轴平移，即Z轴平移驱动元件3驱动直线模块实现Z轴平移件沿Z轴的平移，X轴平移台6固定连接在Z轴平移件上，随Z轴平移件一起移动。
X轴摆动装置7设置在X轴平移台6上，在X轴平移驱动元件5驱动下沿X轴平移；且X轴摆动装置7在X轴摆动驱动元件71的驱动下绕X轴摆动。具体的，X轴平移台6上设有X轴平移件(图中未示出)，X轴平移件在X轴平移驱动元件5驱动下沿X轴平移，X轴平移驱动元件5设在X轴平移台6的一端，通过直线模块驱动X轴平移件沿X轴平移。X轴平移件上固定有一沿Y轴方向延伸的导向轴17，X轴摆动装置7中的支座72滑动设置在导向轴17上，并通过锁紧螺钉16与导向轴17相对固定。通过调节锁紧螺钉16，可实现X轴摆动装置7沿导向轴17上下移动，实现X轴摆动装置7的摆动轴线沿Y轴方向的微调。支座72上固定有X轴摆动驱动元件71，X轴摆动驱动元件71的转动输出轴沿X轴方向设置，转动输出轴上固定连接一法兰连接件73，能带动该法兰连接件73转动。刀架12通过燕尾槽调整机构9连接在法兰连接件73上与其一起绕X轴摆动，刀具121设置在刀架12上。其中，燕尾槽调整机构9包括第一调整件91、第二调整件92、第三调整件93。第一调整件91的一侧与法兰连接件73固定连接，另一侧设有沿Z轴方向延伸的第一燕尾槽。第二调整件92的一侧设有与第一燕尾槽配合的滑动块，通过滑动块与第一调整件91的第一燕尾槽滑动连接，另一侧设有沿Y轴方向延伸的第二燕尾槽。第三调整件93的一侧设有与第二燕尾槽配合的滑动块，通过该滑动块与第二调整件92的第二燕尾槽滑动连接，另一侧与刀架12固定连接。第一调整件91、第二调整件92、第三调整件93之间还具有能使其两者之间相对固定的固定装置，防止在外力作用下产生偏移。通过调整第二调整件92在第一燕尾槽中的位置来调整刀具在Z轴方向的位置，通过调整第三调整件93在第二燕尾槽中的位置来调整刀具在Y轴方向的位置，实现X轴方向通过刀具121中心的中心线与X轴摆动装置7的摆动轴线重合。Z轴平移台4和X轴平移台6上均设有防止切屑落入其中的柔性风琴罩18(现有技术)。
刀具121转动设置在刀架12上，刀架12上固定设有刀具驱动元件10及带轮组11，刀具驱动元件10通过传动带绕过带轮组11连接至刀具121，带动刀具121高速旋转(刀具的自转)进行加工。刀架12上还设有防护罩，防护罩由钣金件组成，将带轮组11封装起来，防止切屑进入其中。各进刀模块均可实现刀具121沿X、Z轴的平动及绕X轴 的摆动，同时，还能实现刀具121在Z轴、Y轴方向的调整及X轴摆动装置7的摆动轴线沿Y轴方向的微调，达到刀具沿X轴方向的中心线、绕X轴的摆动轴线、通过工件中心的水平面三者重合。可轻松完成装机调试工作，最大限度的保证了加工所要求的精度。
如图3所示，夹具模块34包括夹具安装底板24、固定夹具安装座26、移动夹具安装座13、工件自转驱动元件25、夹具移动驱动元件30、工件摆动驱动元件23。夹具安装底板24的下侧与夹具摆动轴32固定连接，夹具摆动轴32垂直于工作台2的台面，即与Y轴方向一致。夹具安装底板24的上侧固定设有一水平滑轨29。固定夹具安装座26固定设置在夹具安装底板24上，位于水平滑轨29的一端。固定夹具安装座26上转动设有第一顶尖281，第一顶尖281的转动轴线平行于工作台2的台面。移动夹具安装座13滑动设置在水平滑轨29上。移动夹具安装座13上转动设有第二顶尖282，第二顶尖282与第一顶尖281相对设置且两者的转动轴线重合，将工件夹持在两个顶尖之间，工件自转驱动元件25驱动第一顶尖281转动，并由第一顶尖281带动工件进行自转。夹具移动驱动元件30驱动移动夹具安装座13沿水平滑轨29滑动，向接近或远离固定夹具安装座26的方向移动，进而夹持或放开工件。工件摆动驱动元件23驱动夹具摆动轴32转动。第一顶尖281通过中间连接件27能拆卸的安装在固定夹具安装座26上；第二顶尖282通过中间连接件27能拆卸的安装在移动夹具安装座13上。夹具安装底板24上设有缓冲元件31，缓冲元件31位于移动夹具安装座沿水平滑轨29远离固定夹具安装座26的方向上，并能触碰到移动夹具安装座13，当松开工件时，缓冲元件31起到缓冲作用。夹具摆动轴32通过轴承座20转动设置在工作台2上，工件摆动驱动元件23通过驱动元件安装座22安装在工作台2下方。夹具模块34可实现工件的自转及绕Y轴的摆动。
在本实施例中，上面提到的各个驱动元件，可以采用现有技术中的多种驱动方式，例如电机、气动或液压马达等。上面提到的直线模块，可以采用现有技术中的多种方式，例如丝杠滑块、直线轴承等。
第一进刀模块33与夹具模块34之间、第二进刀模块36与夹具模块34之间均设有切屑收集盒19，切屑收集盒19设置在工作台2上，切屑收集盒19通过磁铁吸附在轴承座20上。解决进刀模块与夹具模块之间距离短不便于清扫切屑的问题。工作台2上还设有切屑排出口35，如图2所示，可以在夹具模块34的两端分别设置一个切屑排出口35，在每个切屑排出口35对应的工作台2的下方设有切屑收集装置21，工作台2上的切屑通过切屑排出口35落入切屑收集装置21中，溅落在工作台2上切屑通过切屑排出 口35扫入工作台2下方的切屑收集装置21中，能收集绝大部分切屑。
本发明的装机调试过程为：装配时通过调整进刀模块33、36中的燕尾槽调整机构9实现刀具121沿X轴方向的中心线与X轴摆动装置7的摆动轴线重合。通过调节锁紧螺钉16，使X轴摆动装置7沿导向轴17上下移动，实现重合后的刀具121沿X轴方向的中心线及摆动轴线在Y轴方向微调，从而与通过工件中心的水平面(即平行于X轴、Z轴所在平面且通过工件中心的平面)重合。进而通过Z轴平移驱动元件3控制刀具121沿Z轴移动，实现刀具121沿X轴方向的中心线及X轴摆动装置7的摆动轴线(两者已经调整为重合)穿过工件的中心，至此装机调试完成。
下面以椭球形加工件为例具体说明加工过程，夹具移动驱动元件30驱动移动夹具安装座13沿水平滑轨29移动，实现工件的加紧，此时工件的自转轴线与Z轴一致，刀具的进给方向为X方向。参见图4，n代表加工点处曲面的法线方向，f代表加工点处刀具的进给方向，在A点和B点处两者的夹角为19度，该夹角根据工件的曲面不同而不同。需要加工的A点与B点关于工件的中心对称，花纹一致且进刀方向f必须沿加工点的法线方向n。由于两个进刀模块的位置关于工件的摆动轴线(工件的摆动轴线通过工件的中心)呈中心对称，通过控制夹具模块34的工件摆动驱动元件23驱动工件绕Y轴(与其摆动轴方向一致)顺时针旋转19度，如图5所示，这时A点与B点的法线方向n均与刀具的进给方向f一致。通过同时控制各进刀模块的Z轴平移驱动元件3进行刀具121沿Z轴的移动，使两刀具121分别移动至A点及B点。通过同时控制各进刀模块的X轴平移驱动元件5实现刀具121沿X轴的进给，即沿A点与B点刀具进给方向f的进给，同时也是沿A点与B点法线方向n的进给，X轴摆动装置7可实现刀具121绕X轴任意角度的摆动，即可在A、B点加工更为复杂的花纹(如米字花纹)，实现同时完成A点与B点的加工。当加工不同尺寸的工件时，只需通过中间连接件27拆卸、更换不同长度规格的顶针281、282即可。对于形状为球形或圆柱形的工件，加工方法则更为简单。对于球形工件，进刀模块无需使刀具沿Z轴的平动便可实现双刀加工。对于圆柱形工件，夹具模块无需绕Y轴旋转便可双刀加工。因此，本发明的车花机相对于传统车花机通用性大大提高。本发明适用球形、椭球形、圆柱体等各种珠宝首饰的车花加工，适用性极强。
由上所述，本发明的车花机根据珠宝首饰车花加工的特殊性，花纹往往关于工件的中心呈中心对称且进刀方向须沿加工点的法线进给，采用两个进刀模块且设置位置关于工件的摆动轴线呈中心对称，通过合理分配各进刀模块与夹具模块各轴的运动，利用各 模块中各轴的组合运动实现双刀同时加工，大大提高加工的效率，也可实现不同形状，不同规格的产品加工，提高车花机的通用性。通过调节进刀模块中的燕尾槽调整机构，易于装机调试并保证加工产品的精度。通过合理布置简单实用的切屑回收装置，大大提高切屑的回收效率。
以上所述仅是本发明的较佳实施例而已，并非对本发明做任何形式上的限制，虽然本发明已以较佳实施例揭露如上，然而并非用以限定本发明，任何熟悉本领域的普通技术人员，在不脱离本发明技术方案的范围内，当可利用上述揭示的技术内容作出些许更动或修饰为等同变化的等效实施例，但凡是未脱离本发明技术方案的内容，依据本发明的技术实质对以上实施例所作的任何简单修改、等同变化与修饰，均仍属于本发明技术方案的范围内。

Claims (11)

  1. 一种卧式数控双刀车花机，所述车花机包括工作台，所述工作台上设有进刀模块和夹具模块；设定正交坐标系中X轴和Z轴所在的平面与所述工作台的台面平行，Y轴垂直于所述工作台的台面；其特征在于，所述夹具模块用于夹持工件，所述夹具模块带动工件进行自转和摆动，工件的自转轴线与所述工作台的台面平行，工件的摆动轴线与所述工作台的台面垂直；
    所述进刀模块包括结构相同的第一进刀模块和第二进刀模块，所述第一进刀模块和第二进刀模块在所述工作台上关于工件的摆动轴线呈中心对称的设置；
    所述第一进刀模块和第二进刀模块上均设有刀具，所述第一进刀模块和第二进刀模块分别带动相应刀具沿X轴方向或Z轴方向平移，并带动相应刀具围绕X轴摆动。
  2. 如权利要求1所述的卧式数控双刀车花机，其特征在于，所述第一进刀模块包括：
    Z轴平移台，所述Z轴平移台固定在所述工作台上，所述Z轴平移台沿着Z轴方向延伸设置；
    X轴平移台，所述X轴平移台设置在所述Z轴平移台上，在Z轴平移驱动元件驱动下沿Z轴平移；
    X轴摆动装置，所述X轴摆动装置设置在所述X轴平移台上，在X轴平移驱动元件驱动下沿X轴平移；且所述X轴摆动装置在X轴摆动驱动元件的驱动下绕X轴摆动；
    刀架，所述刀架与所述X轴摆动装置连接并与所述X轴摆动装置一起摆动，所述刀具设置在所述刀架上。
  3. 如权利要求2所述的卧式数控双刀车花机，其特征在于，所述夹具模块包括：
    夹具安装底板，所述夹具安装底板的下侧与夹具摆动轴固定连接，所述夹具摆动轴垂直于所述工作台的台面；所述夹具安装底板的上侧固定设有一水平滑轨；
    固定夹具安装座，所述固定夹具安装座固定设置在所述夹具安装底板上，位于所述水平滑轨的一端；所述固定夹具安装座上转动设有第一顶尖，所述第一顶尖的转动轴线平行于所述工作台的台面；
    移动夹具安装座，所述移动夹具安装座滑动设置在所述水平滑轨上；所述移动夹具安装座上转动设有第二顶尖，所述第二顶尖与所述第一顶尖相对设置且两者的转动轴线重合；
    工件自转驱动元件，所述工件自转驱动元件驱动所述第一顶尖转动；
    夹具移动驱动元件，所述夹具移动驱动元件驱动所述移动夹具安装座沿所述水平滑轨滑动；
    工件摆动驱动元件，所述工件摆动驱动元件驱动所述夹具摆动轴转动。
  4. 如权利要求3所述的卧式数控双刀车花机，其特征在于，所述Z轴平移台上设有Z轴平移件，所述Z轴平移件在所述Z轴平移驱动元件驱动下沿Z轴平移，所述X轴平移台固定连接在所述Z轴平移件上；
    所述X轴平移台上设有X轴平移件，所述X轴平移件在所述X轴平移驱动元件驱动下沿X轴平移，所述X轴平移件上固定有一沿Y轴方向延伸的导向轴，所述X轴摆动装置滑动设置在所述导向轴上，并通过锁紧螺钉与所述导向轴相对固定。
  5. 如权利要求4所述的卧式数控双刀车花机，其特征在于，所述X轴摆动装置包括支座，所述支座滑动设置在所述导向轴上，并通过所述锁紧螺钉与所述导向轴相对固定；所述支座上固定所述X轴摆动驱动元件，所述X轴摆动驱动元件的转动输出轴沿X轴方向设置，所述转动输出轴上固定连接一法兰连接件，所述刀架通过燕尾槽调整机构连接在所述法兰连接件上。
  6. 如权利要求5所述的卧式数控双刀车花机，其特征在于，所述燕尾槽调整机构包括：
    第一调整件，所述第一调整件的一侧与所述法兰连接件固定连接，另一侧设有沿Z轴方向延伸的第一燕尾槽；
    第二调整件，所述第二调整件的一侧与所述第一调整件通过所述第一燕尾槽滑动连接，另一侧设有沿Y轴方向延伸的第二燕尾槽；
    第三调整件，所述第三调整件的一侧与所述第二调整件通过所述第二燕尾槽滑动连接，另一侧与所述刀架固定连接。
  7. 如权利要求6所述的卧式数控双刀车花机，其特征在于，所述刀具转动设置在所述刀架上，所述刀架上固定设有刀具驱动元件及带轮组，所述刀具驱动元件通过传动带绕过所述带轮组连接至所述刀具，带动所述刀具旋转；
    所述刀架上还设有防护罩，所述防护罩将所述带轮组封装，防止切屑进入其中。
  8. 如权利要求7所述的卧式数控双刀车花机，其特征在于，所述第一进刀模块与所述夹具模块之间、所述第二进刀模块与所述夹具模块之间均设有切屑收集盒，所述切屑收集盒设置在所述工作台上；所述工作台上还设有切屑排出口，所述工作台的下方设 有切屑收集装置，所述工作台上的切屑通过所述切屑排出口落入所述切屑收集装置中。
  9. 如权利要求8所述的卧式数控双刀车花机，其特征在于，所述Z轴平移驱动元件设在所述Z轴平移台的一端，通过直线模块驱动所述Z轴平移件沿Z轴平移；
    所述X轴平移驱动元件设在所述X轴平移台的一端，通过直线模块驱动所述X轴平移件沿X轴平移；
    所述Z轴平移台和所述X轴平移台上均设有防止切屑落入其中的柔性风琴罩。
  10. 如权利要求9所述的卧式数控双刀车花机，其特征在于，所述第一顶尖通过中间连接件能拆卸的安装在所述固定夹具安装座上；所述第二顶尖通过中间连接件能拆卸的安装在所述移动夹具安装座上；
    所述夹具安装底板上设有缓冲元件，所述缓冲元件位于所述移动夹具安装座沿所述水平滑轨远离所述固定夹具安装座的方向上，并能触碰到所述移动夹具安装座。
  11. 如权利要求10所述的卧式数控双刀车花机，其特征在于，所述夹具摆动轴通过轴承座转动设置在所述工作台上，所述工件摆动驱动元件通过驱动元件安装座安装在所述工作台下方；所述切屑收集盒通过磁铁吸附在所述轴承座上。
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