A kind of four axle solid carving machines
Technical field
The present invention relates to field of machining, particularly relate to a kind of solid carving machine.
Background technology
In existing stereo carving machine technology, three-dimensional freedom is had relative to workpiece in order to realize cutter, there is the planar degrees of freedom using cutter to have vertical direction and horizontal direction, and workpiece has the way of realization of one-dimensional degree of freedom of longitudinal direction, this implementation deficiency is to carve in operation process, cutter and lathe will move and be unfavorable for controlling, again because workpiece needs mobile in the course of processing, and for processing different quality workpiece time, impact to driving motor is big, the response time when workpiece of different quality moves also is difficult to ensure that card is identical, thus cause precision controlling difficulty big;And use cutter to have the planar degrees of freedom of vertical direction and horizontal direction, portal frame has the engraving machine of the way of realization of longitudinal direction degree of freedom, good to the control performance of tool position, but the engraving machine scale of this form is smaller at present, more small-sized workpiece can only be processed, when engraving machine scale strengthens, vertical precision will be had a negative impact by the elastic deformation of portal frame crossbeam, thus range of application is narrower.Current most solid carving machine once can only process a workpiece, and production efficiency is relatively low.
Summary of the invention
The deficiency that the present invention exists to overcome prior art, it is provided that a kind of four axle solid carving machines.
The invention is characterized in that techniques below scheme is achieved:
A kind of four axle solid carving machines, including being provided with cutter travel mechanism and work holder in frame, frame, cutter travel mechanism install cutter, and described cutter travel mechanism arranges, is characterized in:
Described cutter travel mechanism includes longitudinal motion mechanism, transverse motion mechanism and vertical motion mechanism, described longitudinal motion mechanism is arranged in frame, described transverse motion mechanism is arranged on longitudinal motion mechanism, and described vertical motion mechanism is arranged on transverse motion mechanism;
Described transverse motion mechanism includes transverse movement driving mechanism and transverse movement follower, and transverse movement driving mechanism connects actuating unit, and transverse movement follower is rigidly connected with transverse movement driving mechanism by connecting rod;
Described vertical motion mechanism is provided with toolframe, and toolframe arranges at least one motor cabinet, and motor cabinet is provided with motor, and motor output shaft is connected with cutter;
Described work holder is provided with the workpiece rotating mechanism identical with number of cutters.
Described longitudinal motion mechanism includes longitudinal rail, tooth bar, portal frame, travelling gear, longitudinal rail, vertical drive motor, guide rail and tooth bar are arranged on longitudinal both sides vertical plane of frame, portal frame armstand is provided with longitudinal fluting and installs with sliding matching mode with longitudinal rail, travelling gear is arranged on inside portal frame armstand and engages with tooth bar, arranging vertical drive motor in portal frame armstand, longitudinal motor is connected with driving gearshaft.
Described transverse motion mechanism includes transverse movement slide plate, cross slide way, horizontal drive motor and transverse movement slide plate drive mechanism, horizontal drive motor, transverse movement slide plate drive mechanism and cross slide way are arranged on longitudinal motion mechanism, horizontal drive motor is connected with transverse movement slide plate gear train shaft, transverse movement slide plate is provided with the slave unit mated with transverse movement slide plate drive mechanism, and transverse movement slide plate is provided with transverse concave groove and installs in the way of being slidably matched with cross slide way.
Vertically driving motor and the vertical motion slide plate drive mechanism that described vertical motion mechanism includes the vertical track being arranged on transverse motion mechanism, is arranged on transverse motion mechanism, vertical driving motor is connected with vertical motion slide plate gear train shaft, vertical motion slide plate is provided with vertical groove and installs in the way of being slidably matched with vertical track, vertical motion slide plate is provided with the slave unit mated with vertical motion slide plate drive mechanism, and vertical motion slide plate connects toolframe.
Described transverse movement driving mechanism is the main slide plate of transverse movement, described transverse movement follower is transverse movement secondary slide, the main slide plate of transverse movement and transverse movement secondary slide are equipped with transverse concave groove and install in the way of being slidably matched with cross slide way, the main slide plate of transverse movement is provided with the slave unit mated with transverse movement slide plate drive mechanism, and transverse movement secondary slide is rigidly connected with main slide plate by connecting rod.
Described work holder includes sliding axle, support seat, tailstock, adjustable tailstock, adjustable rotary rotating shaft, fore-set and locking mechanism, two longitudinal edges in frame respectively arrange a sliding axle, sliding axle is fixed in frame by supporting seat, tailstock and adjustable tailstock are designed with and the through hole of two sliding axle matched in clearance, tailstock and adjustable tailstock are cooperated together by sliding axle and through hole, sliding axle is provided with locking mechanism, tailstock is provided with the adjustable rotary rotating shaft equal with number of cutters, adjustable rotary between centers is by being connected synchronous axial system with rotating shaft transmission mechanism, adjustable tailstock is provided with the fore-set corresponding with rotary shaft, the work surface of adjustable rotary rotating shaft and fore-set is provided with thimble array, fore-set is axially aligned with adjustable rotary rotating shaft, fore-set is relative with adjustable rotary rotating shaft work surface.
The output shaft of described horizontal drive motor is connected with screw mandrel by shaft coupling, and described vertical motion slide plate drive mechanism is lead screw transmission mechanism, and described vertical driving motor output shaft is connected with screw mandrel by shaft coupling, and described slave unit is feed screw nut.
Described adjustable rotary rotating shaft includes shaft seat, rotary shaft, cylinder, cylinder block, cylinder axis, geartrain components, shaft seat is socketed on the rotary shaft, one end of rotary shaft is provided with thimble array, the rotary shaft other end connects geartrain components, shaft seat connects cylinder block, arranging cylinder on cylinder block, one end of cylinder axis is connected by bearing in cylinder block with rotary shaft, and the other end of cylinder axis connects cylinder.
Described adjustable rotary rotating shaft includes shaft seat, rotary shaft, handwheel, screw rod, nut seat, geartrain components, shaft seat is socketed on the rotary shaft, one end of rotary shaft is provided with thimble array, the rotary shaft other end connects geartrain components, shaft seat connects nut seat, arranging screw rod on nut seat, one end of screw rod is connected by bearing in nut seat with rotary shaft, and the other end of screw rod connects handwheel.
Described adjustable rotary rotating shaft includes shaft seat, rotary shaft, slide block, guide rail, cylinder, cylinder axis and drive mechanism, shaft seat is fixedly mounted on slide block, slide block is slidably mounted on track, cylinder is fixedly mounted in frame, cylinder is connected with shaft seat by cylinder axis, drive mechanism is arranged on shaft seat, and one end of rotary shaft connects drive mechanism output shaft, and the other end of rotary shaft is provided with thimble array.
Portal frame, transverse movement slide plate, vertical motion slide plate and toolframe composition cutter movable device, portal frame has longitudinal freedom of movement in frame, cutter is made to realize X-direction freedom of motion, transverse movement slide plate has freedom of lateral movement on portal frame crossbeam, cutter is made to realize Y direction freedom of motion, vertical motion slide plate has vertical motion degree of freedom on the guide rail of transverse movement slide plate, cutter is made to realize Z-direction freedom of motion, so, cutter is made to realize XYZ tri-shaft space degree of freedom.Work holder makes to be coordinated clamping Work-sheet pressing being realized workpiece by rotary shaft and fore-set, and rotary shaft and fore-set have rotary freedom, drives workpiece adding rotation in man-hour, it is achieved the characteristic of four axles engravings.
nullTransverse movement slide plate is divided into again the main slide plate of transverse movement and transverse movement secondary slide,The slave unit mated with transverse movement slide plate drive mechanism is set on the main slide plate of transverse movement,Accept the power from transverse movement slide plate drive mechanism,Transverse movement secondary slide plate is then not provided with slave unit,The main slide plate of transverse movement has and only one of which,Transverse movement secondary slide can be by demand fluctuation number amount,Secondary slide keeps being rigidly connected with main slide plate with crossing connecting rod,Purpose is,By arranging transverse movement master on portal frame crossbeam、Secondary slide,The gravity peptizaiton on toolframe on crossbeam,Avoid the situation that the stress that single slide plate effect caused excessively is concentrated,Being rigidly connected except achieving the driving to transverse movement secondary slide by connecting rod between slide plate,Connecting rod can also bear moment of flexure,Reduce moment of flexure on crossbeam,By transverse movement master、Secondary slide dispersion gravity and connecting rod connect shares moment of flexure,The elastic deformation making crossbeam reduces as far as possible,Improve the cutter machining accuracy in Z-direction.
Multiple motor cabinet it is provided with on knife rest, motor installed by motor cabinet, motor output shaft installs cutter, tailstock with adjustable tailstock arrange the adjustable rotary rotating shaft corresponding with cutter and quantity thereof and fore-set, tailstock is fixed on one end of sliding axle, adjustable tailstock can slide on sliding axle, sliding axle is provided with locking mechanism, locking mechanism can lock in sliding axle any position, for limiting the position of adjustable tailstock, during workpiece to be clamped, slip adjustable skid makes the distance of rotary shaft and fore-set gradually decrease, until workpiece can just be put between adjustable rotary rotating shaft and fore-set, then sliding locking mechanism is adjacent to adjustable tailstock and locks, the position of finally regulation adjustable rotary rotating shaft makes workpiece compacted, adjustable rotary rotating shaft with manual actuation regulation or can regulate with motorized motions.Multicutter design makes to be engraved into parallel possibility, and this is greatly improved production efficiency.
Compared with prior art, this four axle engraving machine workpiece add need not man-hour mobile, moving cutting tool, the Workpiece Machining Accuracy difference making different quality is less, improves the combinative structure of transverse movement slide plate, and the moment of flexure and the stress that effectively reduce crossbeam are concentrated, improve the vertical precision of cutter, make engraving machine maximize to be possibly realized, use the mode of multicutter parallel fabrication, improve the production efficiency of product.
Accompanying drawing explanation
Fig. 1 is the perspective view of the four axle solid carving machines of the present invention;
Fig. 2 is the perspective view of the four axle solid carving machines of the present invention;
Fig. 3 is the perspective view that the four axle solid carving machines of the present invention remove toolframe structure;
Fig. 4 is the work holder structural representation of the four axle solid carving machines of the present invention;
Fig. 5 is the work holder structural representation of the four axle solid carving machines of the present invention;
Fig. 6 is the work holder structural representation of the four axle solid carving machines of the present invention.
In figure, code name represents: 1, frame;2, armstand;3, longitudinal rail;4, tooth bar;5, longitudinal fluting;6, vertical drive motor;7, crossbeam;8, cross slide way;9, horizontal drive motor;10, cross lead screw;11, transverse movement slide plate (the main slide plate of transverse movement);12, transverse movement secondary slide;13, transverse concave groove;14, vertical track;15 vertically drive motor;16, vertical screw mandrel;17, vertical motion slide plate;18, vertical groove;19, toolframe;20, cross lead screw nut;21, connecting rod;22, motor cabinet;23, motor;24, cutter;25, sliding axle;26, seat is supported;27, tailstock;28, adjustable tailstock;29, shaft seat;30, rotary shaft;31, fore-set;32, locking mechanism;33, shaft coupling;34, screw mandrel shaft block;35, vertical feed screw nut;36, handwheel;37, bearing block;38, bearing;39, rotating shaft transmission mechanism parts;40, cylinder block;41, cylinder;42, cylinder axis;43, nut seat;44, screw rod;45, slide block;46, guide rail;47, motor is driven.
Detailed description of the invention
Below in conjunction with accompanying drawing, highly preferred embodiment of the present invention is described in detail.
As shown in Figure 1, Figure 2, Figure 3 shows, the longitudinal both sides of frame 1 are provided with longitudinal rail 3 and tooth bar 4, gantry armstand 2 is provided with the longitudinal fluting 5 being slidably matched with longitudinal rail 3, portal frame is slidably installed on vehicle frame 1 by longitudinal fluting 5 and long rails 3, portal frame can move freely on long rails, being provided with the travelling gear (not shown) engaged with tooth bar in armstand 1, vertical drive motor 6 output shaft that armstand 1 is provided with connects travelling gear, and longitudinal motor 6 drives portal frame to move.
Portal frame crossbeam 7 is provided with cross slide way 8, equipped with horizontal drive motor 9 and cross lead screw 10 on crossbeam 7, cross lead screw 10 one end is connected with horizontal drive motor 9 by shaft coupling 33, the other end is arranged on screw mandrel shaft block 34, and the groove 13 with cross slide way 8 shiding matching that transverse movement slide plate 11 is provided with by transverse movement slide plate 11 is arranged on cross slide way 8.
Transverse movement slide plate is provided with vertical guide 14, vertical driving motor 15 and vertical screw mandrel 16, vertical screw mandrel 16 one end drives motor 15 to be connected by shaft coupling 33 with vertical, the other end is arranged on screw mandrel shaft block 34, vertical slide plate 17 is arranged on vertical track 14 by the vertical groove 18 being located on vertical slide plate 17, vertical slide plate 17 is provided with vertical feed screw nut 35, vertical feed screw nut 35 is connected with vertical screw mandrel 16, vertical slide plate 17 can move freely on vertical track 14, and the vertical slide plate of vertical motorized motions moves.
Transverse movement slide plate 11 is divided into main slide plate 11 and secondary slide 12, main, secondary slide is arranged on cross slide way 8, main slide plate 11 only arranges one, secondary slide 12 can arrange multiple on demand, one secondary slide 12 is the most only set, main slide plate 11 and secondary slide 12 are carried out by connecting rod 21 and are rigidly connected, main slide plate 11 is provided with cross lead screw nut 20, cross lead screw nut 20 is connected with cross lead screw, secondary slide is not provided with cross lead screw nut 20, transverse movement slide plate 11 can move freely on cross track 7, horizontal drive motor 9 drives transverse movement slide plate 11 to move.
Installing toolframe 19 on vertical motion slide plate, toolframe 19 is installed some motor cabinets 22, in the present embodiment, frame installs 4 motor cabinets 22, and motor cabinet 22 is installed motor 23, and motor 23 output shaft is installed cutter 24.
nullFrame 1 is installed work holder,Work holder includes sliding axle 25、Support seat 26、Tailstock 27、Adjustable tailstock 28、Shaft seat 29、Rotary shaft 30、Fore-set 31、Locking mechanism 32,In frame 1, longitudinal edge respectively arranges a sliding axle 25,Sliding axle 25 is arranged in frame 1 by supporting seat 26,Sliding axle 25 is provided with locking mechanism 32,Tailstock 27 is provided with the through hole coordinated with two sliding axles 25,Sliding axle 25 is arranged on tailstock 27 on sliding axle 25 through the through hole on tailstock 27,And it is fixed on sliding axle one end by locking mechanism 32,The through hole being slidably matched with two sliding axles 25 that adjustable tailstock 28 is provided with by adjustable tailstock 28 is arranged on sliding axle 25,Adjustable tailstock 28 can move on sliding axle 25,Locking mechanism 32 can limit and lock the position of adjustable tailstock 28,Tailstock 27 is provided with the shaft seat 29 equal with cutter 24 quantity,In the present embodiment,It is provided with 8 cutters 24 altogether,Corresponding arranges 8 shaft seats 29,Rotary shaft 30 is installed on shaft seat 29,Adjustable tailstock 28 is provided with the fore-set 31 equal with rotary shaft 30 quantity,Fore-set 31 is axially aligned with rotary shaft 30,Fore-set 31 and rotary shaft 30 end face are provided with thimble array,In order to strengthen clamping friction power.Keep synchronous axial system by rotating shaft transmission mechanism (sign) between each rotary shaft 30, use motor to drive rotating shaft transmission mechanism, install in frame and drive motor (sign), drive motor output shaft to connect rotating shaft transmission mechanism.
The effect of adjustable rotary rotating shaft is that the clamping of the workpiece little to different length and length difference provides fine adjustment function.Provide the embodiment of three kinds of adjustable rotary rotating shafts in the present embodiment:
One, as described in Figure 4, adjustable rotary rotating shaft includes cylinder block 40, cylinder 41, cylinder axis 42, shaft seat 29, geartrain components 39, cylinder block 40 is connected with shaft seat 29, cylinder axis 42 is connected by bearing 38 in cylinder block 40 with rotary shaft 30, rotary shaft 30 has free sliding degree in the axial direction, there is rotary freedom simultaneously, rotary shaft 30 is cased with geartrain components 39, the power that cylinder 41 produces is applied in rotary shaft 30 drive rotary shaft 30 to slide by cylinder axis 42, the rotary power that rotating shaft transmission mechanism (sign) transmits is delivered in rotary shaft by geartrain components 39.
Two, as described in Figure 5, adjustable rotary axle bed includes handwheel 45, screw rod 44, nut seat 43, shaft seat 29, geartrain components 39, nut seat 43 is connected with shaft seat 29, handwheel 36 is provided with screw rod 44, screw rod 44 is connected by bearing 38 in nut seat 43 with rotary shaft 30, rotary shaft 30 has free sliding degree in the axial direction, there is rotary freedom simultaneously, rotary shaft 30 is cased with geartrain components 39, handwheel 36 rotary motion is converted to axially-movable under the cooperation by screw rod 44 and nut seat 43, screw rod 44 is delivered to axially-movable power in rotary shaft 30 with the connection of rotary shaft 30, the rotary power that rotating shaft transmission mechanism (sign) transmits is delivered in rotary shaft by geartrain components 39.
Three, as described in Figure 6, adjustable rotary axle bed includes slide block 45, guide rail 46, cylinder 41, cylinder axis 42, shaft seat 29, shaft seat 29 is fixedly mounted on slide block 45, slide block 45 is slidably mounted on track 46, cylinder 41 is fixedly mounted in frame 1, cylinder 41 is connected with shaft seat 29 by cylinder axis 42, shaft seat 29 is by being allowed to slide axially on guide rail 46 with the connection of slide block 45, the power that cylinder 41 produces is applied to drive shaft seat 29 on shaft seat 29 by cylinder axis 42 and slides, and rotary shaft 30 is driven rotation by driving motor 47.
During work, workpiece to be machined is placed between rotary shaft 30 and fore-set 31, the adjustable tailstock 28 that slides makes workpiece be clamped by rotary shaft 30 and fore-set 31, then sliding locking mechanism 32 pushes down adjustable tailstock 28, pin fixed mechanism 32 simultaneously, making adjustable tailstock 28 be fixed, clamping workpiece is made fine setting further by adjustable rotary rotating shaft, makes each workpiece sufficiently be clamped.After workpiece is fixed, workpiece can be around central axis under the drive of rotary shaft 30.Portal frame moves on the longitudinal rail 3 in frame 1 under the driving of vertical drive motor 6, provides Y direction degree of freedom for toolframe 19.Move under horizontal drive motor 9 drives on the cross slide way 8 that transverse movement slide plate 11 is provided with on portal frame crossbeam 7, provide X-direction degree of freedom for toolframe 19.Vertical motion slide plate 17 can drive motor 15 to move under driving vertical in the vertical guide 14 on transverse movement slide plate 11, provides Z-direction degree of freedom for toolframe.The driving means of above-mentioned vertical drive motor 6, horizontal drive motor 9, vertical driving motor 15 and rotary shaft is by dsp controller control.On toolframe, the motor 23 on 19 drives cutter 24, does engraving operation on workpiece.By above-mentioned structural grouping, making cutter 24 have three-dimensional motion degree of freedom, workpiece has rotary freedom on work holder, is thus achieved that X-axis, Y-axis, Z axis and rotary shaft four axle carving function.
Only as described above, it is only the preferred embodiments of the invention, when the scope that can not limit present invention enforcement with this, the most generally according to equivalence change simple done by the content described in the claims in the present invention and description of the invention and modification, all it is still covered by the claims of the invention.Additionally, summary part and title are intended merely to assist patent document search to be used, not it is used for limiting the interest field of the present invention.