CN102825962B - Novel vertical numerical-control engraving machine - Google Patents

Novel vertical numerical-control engraving machine Download PDF

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Publication number
CN102825962B
CN102825962B CN201210305847.1A CN201210305847A CN102825962B CN 102825962 B CN102825962 B CN 102825962B CN 201210305847 A CN201210305847 A CN 201210305847A CN 102825962 B CN102825962 B CN 102825962B
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mentioned
lead screw
knife rest
drive lead
drive
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CN102825962A (en
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黄泉福
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黄泉福
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Abstract

The invention discloses a novel vertical numerical-control engraving machine which comprises a base, a gantry, a bottom workpiece clamping frame, a top workpiece clamping frame and a machining tool rest. The gantry is fixed on the base, the bottom workpiece clamping frame is arranged in the gantry, the top workpiece clamping frame is arranged above the bottom workpiece clamping frame and is mounted in the gantry in a vertically movable manner, the machining tool rest is mounted on the gantry in a vertically movable manner, a first tool rest and a second tool rest which are capable of moving in all directions are respectively mounted on two sides of the machining tool rest, a first tool used for rough machining is mounted on the first tool rest, and a second tool used for finish machining is mounted on the second tool rest. The novel vertical numerical-control engraving machine has the advantages that without changing the engraving machine or detaching or changing the tools, workpieces to be engraved can be subjected to finish machining after rough machining, so that labor intensity of workers is reduced greatly, engraving precision is increased, machining errors are reduced, and work efficiency is improved.

Description

A kind of vertical numerical control carving machine
Technical field
The present invention relates to a kind of engraving machine.
Background technology
Existing vertical numerical control carving machine, publication number vertical numerical control carving machine disclosed in CN202186217U utility model patent disclosed in 11 days April in 2012, it comprises base and is fixed on the portal frame above base, main tapping Multiple-axle Spindle Box upward and vertical slide rail is provided with on the upside of described pan frontward end, described vertical slide rail is provided with the multiaxis tailstock coordinated with Multiple-axle Spindle Box, described Multiple-axle Spindle Box and multiaxis tailstock are coaxially arranged, in order to clamping work pieces, in described portal frame, hoisting cross beam is installed, described hoisting cross beam is provided with can left and right and movable knife rest, described knife rest is provided with the cutter corresponding with Multiple-axle Spindle Box.This kind of vertical engraving machine, adopts vertical structure to carry out processing work, changes tradition and adopts horizontal type structure to carry out processing work, be conducive to processing workpiece that is larger, heavier, friable material, also can improve the clamping degree of workpiece, make machining accuracy higher.
But, this kind of vertical engraving machine, its cutter is only provided with one, and the artistic carving of the material engravings such as stone carving, woodcarving, metal incision is generally divided into two steps, the roughing of first workpiece, the modes such as general employing milling, saw, brill carry out roughing, leave certain surplus man-hour to finishing step and use adding; It two is fine finishining; That is, workpiece needs workman that workpiece transfer is used for accurately machined engraving machine to another after this vertical engraving machine carries out roughing, and make the labour intensity of workman large, operating efficiency is lower; Simultaneously, after workpiece transfer to accurately machined engraving machine, need recalibrate the workpiece after roughing, the axis fixed position that is difficult to adjust to during roughing, the axis fixed position of finishing workpiece is consistent in a calibration process, and the fine finishining of such workpiece will produce error.Also someone solved changed the problem that produces of engraving machine by changing cutter afterwards, but due to the rough machined depth of cut comparatively large, generally adopt the milling cutter or drill bit that diameter is larger, make disassembling operations comparatively inconvenient like this.
In view of this, the present inventor conducts in-depth research for above-mentioned defect, and this case produces thus.
Summary of the invention
The object of the present invention is to provide a kind of vertical numerical control carving machine, it just can complete roughing and the fine finishining of workpiece without the need to changing engraving machine or cutter, save dismounting operation, and it is high to have operating efficiency, labor strength is low, and mismachining tolerance is little, the advantage that machining accuracy is high.
In order to reach above-mentioned purpose, solution of the present invention is:
A kind of vertical numerical control carving machine, comprises base and is fixed on the portal frame on base, also include:
Workpiece clamping underframe, this Workpiece clamping underframe is fixedly arranged in above-mentioned portal frame, this Workpiece clamping underframe is provided with rotatable, and for the holding tray that workpiece to be carved is placed, and above-mentioned Workpiece clamping underframe is provided with the rotation control mechanism controlling above-mentioned holding tray and rotate;
Workpiece clamping upper frame, this Workpiece clamping upper frame is in the top of above-mentioned Workpiece clamping underframe, and above-mentioned Workpiece clamping upper frame is installed in above-mentioned portal frame in mode moving up and down, above-mentioned portal frame is provided with the upper frame lifting control mechanism controlling above-mentioned Workpiece clamping upper frame and move up and down;
Processing knife rest, this processing knife rest is arranged on above-mentioned portal frame in mode moving up and down, above-mentioned portal frame is provided with the knife rest lifting control mechanism controlling above-mentioned processing knife rest and move up and down, and be separately installed with can the first knife rest of all around movement and the second knife rest in the both sides of above-mentioned processing knife rest, above-mentioned first knife rest being provided with for carrying out rough machined first cutter to the workpiece to be carved on above-mentioned holding tray, above-mentioned second knife rest being provided with for carrying out accurately machined second cutter to the workpiece to be carved on above-mentioned holding tray;
Above-mentioned processing knife rest is a square framework, above-mentioned processing knife rest horizontal positioned, and above-mentioned portal frame is in above-mentioned processing knife rest, above-mentioned knife rest lifting control mechanism comprises drive motors and drive lead screw, a left side for above-mentioned processing knife rest, erect respectively in right both sides and have above-mentioned drive lead screw, and above-mentioned processing knife rest is convexly equipped with the mounting blocks supplying the lower end of above-mentioned drive lead screw to pass, above-mentioned mounting blocks offers the through hole supplying the lower end of above-mentioned drive lead screw to pass, the hole wall of this through hole is provided with the internal thread be screwed with the external screw thread of above-mentioned drive lead screw, the lower end activity of above-mentioned drive lead screw is stretched in above-mentioned base, above-mentioned drive motors is fixed on the top of above-mentioned portal frame, and the upper end of the output shaft of above-mentioned drive motors and above-mentioned drive lead screw is in transmission connection, above-mentioned drive motors is synchronous motor, above-mentioned processing knife rest is provided with a gravity rope, the top of above-mentioned portal frame is provided with the installation wheel walked around for above-mentioned gravity rope, one end of above-mentioned gravity rope is fixed on above-mentioned processing knife rest, the other end of above-mentioned gravity rope passes the top of above-mentioned portal frame and walks around above-mentioned installation wheel, and the other end of above-mentioned gravity rope is fixed with the counterweight be in outside above-mentioned portal frame, the gravity of above-mentioned counterweight is less than the gravity of above-mentioned processing knife rest.
Above-mentioned Workpiece clamping underframe is a framework being placed horizontally in the bottom of above-mentioned portal frame, and above-mentioned holding tray is a disk, and above-mentioned disk is stacked on the upper surface of above-mentioned framework, and above-mentioned rotation control mechanism is located in above-mentioned framework.
Above-mentioned rotation control mechanism comprises motor, first power transmission shaft, first bevel gear, second bevel gear and second driving shaft, above-mentioned motor and the equal accumbency of above-mentioned first power transmission shaft are positioned in above-mentioned framework, and the output shaft of above-mentioned motor is connected with above-mentioned first transmission shaft driven, above-mentioned first bevel gear fixed cover is located on above-mentioned first power transmission shaft, above-mentioned second driving shaft is erected in above-mentioned framework, and the upper end of above-mentioned second driving shaft passes, and above-mentioned framework is outer to be fixedly connected with above-mentioned holding tray, above-mentioned second bevel gear is fixed on the lower end of above-mentioned second driving shaft, and be meshed with above-mentioned first bevel gear.
Above-mentioned holding tray is at least provided with three, above-mentioned first bevel gear, above-mentioned second bevel gear, the setting corresponding with above-mentioned holding tray of above-mentioned second driving shaft.
Above-mentioned Workpiece clamping upper frame is a crossbeam, above-mentioned upper frame lifting control mechanism comprises drive motors, power transmission shaft, first drive lead screw, second drive lead screw, first bevel gear and the second bevel gear, above-mentioned first drive lead screw and above-mentioned second drive lead screw are erected in a left side for above-mentioned portal frame respectively, in right both sides, and a left side for above-mentioned crossbeam, right both sides offer for above-mentioned first drive lead screw first punched out of passing corresponding to above-mentioned second drive lead screw and the second punched out respectively, the lower end of above-mentioned first drive lead screw and the lower end of above-mentioned second drive lead screw are corresponding through above-mentioned first punched out and above-mentioned second punched out and activity is stretched into in above-mentioned Workpiece clamping underframe respectively, the hole wall of above-mentioned first punched out is provided with the internal thread be screwed with the external screw thread of above-mentioned first drive lead screw, the hole wall of above-mentioned second punched out is provided with the internal thread be screwed with the external screw thread of above-mentioned second drive lead screw, above-mentioned power transmission shaft accumbency is placed and is in the top of above-mentioned crossbeam, and a left side for above-mentioned power transmission shaft, right two ends are respectively equipped with above-mentioned first bevel gear, the upper end of above-mentioned first drive lead screw and the upper end of above-mentioned second drive lead screw are provided with above-mentioned second bevel gear respectively, two above-mentioned second bevel gears are corresponding to be respectively meshed with two above-mentioned first bevel gears, above-mentioned drive motors is fixed on the top of above-mentioned portal frame, and drive with above-mentioned power transmission shaft and be connected.
Above-mentioned crossbeam is erect and has some push rods, above-mentioned crossbeam offers the through hole supplying the lower end of each above-mentioned push rod to pass, the lateral wall of above-mentioned push rod is provided with external screw thread, the hole wall of above-mentioned through hole is provided with the internal thread that external screw thread is therewith screwed, and the upper end of above-mentioned push rod is provided with the operation handwheel of this push rod of operation.
The front side of above-mentioned processing knife rest is located at by above-mentioned first knife rest, the rear side of above-mentioned processing knife rest is located at by above-mentioned second knife rest, above-mentioned first knife rest comprises noseplate and front Cutting tool installation manner plate, above-mentioned front Cutting tool installation manner plate is arranged on above-mentioned noseplate in the mode that can move forward and backward, above-mentioned noseplate is arranged on the front side upper surface of above-mentioned processing knife rest in the mode that can move left and right, and above-mentioned first Cutting tool installation manner is on above-mentioned front Cutting tool installation manner plate; Above-mentioned second knife rest comprises rear base plate and rear Cutting tool installation manner plate, above-mentioned rear Cutting tool installation manner plate is arranged on above-mentioned rear base plate in the mode that can move forward and backward, above-mentioned rear base plate is arranged on the rear side upper surface of above-mentioned processing knife rest in the mode that can move left and right, and above-mentioned second Cutting tool installation manner is on above-mentioned rear Cutting tool installation manner plate.
The front side of above-mentioned processing knife rest is provided with the left and right drive unit driving above-mentioned noseplate to move left and right, the upper surface of above-mentioned noseplate is provided with the front and back drive unit driving above-mentioned front Cutting tool installation manner plate movable, above-mentioned left and right drive unit includes the first motor, the first nut that first drive lead screw and therewith the first drive lead screw match, the front side of above-mentioned processing knife rest is arranged with and is positioned over interior installation groove for above-mentioned first drive lead screw accumbency, above-mentioned first motor accumbency is fixed on the right side front place of above-mentioned processing knife rest, and the right-hand member of the output shaft of above-mentioned first motor and above-mentioned first drive lead screw is in transmission connection, above-mentioned first nut sleeve is located at outside above-mentioned first drive lead screw, and be fixedly connected with the bottom surface of above-mentioned noseplate, and the bottom surface of above-mentioned noseplate is convexly equipped with slide block, the front side upper surface of above-mentioned processing knife rest is provided with the slide rail for this skid, above-mentioned front and back drive unit comprises the second motor, the second nut that second drive lead screw and therewith the second drive lead screw match, above-mentioned second motor accumbency is positioned over the upper surface of above-mentioned noseplate, and be in the front of above-mentioned front Cutting tool installation manner plate, above-mentioned second drive lead screw lies against on the upper surface of above-mentioned noseplate, and vertically with above-mentioned first drive lead screw to arrange, the output shaft of above-mentioned second motor and the front end of above-mentioned second drive lead screw are in transmission connection, above-mentioned second nut sleeve is located at outside above-mentioned second drive lead screw, and be fixedly connected with the bottom surface of above-mentioned front Cutting tool installation manner plate, and the bottom surface of above-mentioned front Cutting tool installation manner plate is convexly equipped with slide block, the upper surface of above-mentioned noseplate is convexly equipped with the slide rail for the skid on above-mentioned front Cutting tool installation manner plate.
The rear side of above-mentioned processing knife rest is provided with the left and right drive unit driving above-mentioned rear base plate to move left and right, the upper surface of above-mentioned rear base plate is provided with the front and back drive unit driving above-mentioned rear Cutting tool installation manner plate movable, above-mentioned left and right drive unit includes the first motor, the first nut that first drive lead screw and therewith the first drive lead screw match, the rear side of above-mentioned processing knife rest is arranged with and is positioned over interior installation groove for above-mentioned first drive lead screw accumbency, above-mentioned first motor accumbency is fixed on the right side rear end of above-mentioned processing knife rest, and the right-hand member of the output shaft of above-mentioned first motor and above-mentioned first drive lead screw is in transmission connection, above-mentioned first nut sleeve is located at outside above-mentioned first drive lead screw, and be fixedly connected with the bottom surface of above-mentioned rear base plate, and the bottom surface of above-mentioned rear base plate is convexly equipped with slide block, the rear side upper surface of above-mentioned processing knife rest is provided with the slide rail for this skid, above-mentioned front and back drive unit comprises the second motor, the second nut that second drive lead screw and therewith the second drive lead screw match, above-mentioned second motor accumbency is positioned over the upper surface of above-mentioned rear base plate, and be in the rear of above-mentioned rear Cutting tool installation manner plate, above-mentioned second drive lead screw lies against on the upper surface of above-mentioned rear base plate, and vertically with above-mentioned first drive lead screw to arrange, the output shaft of above-mentioned second motor is connected with the rear-end transmission of above-mentioned second drive lead screw, above-mentioned second nut sleeve is located at outside above-mentioned second drive lead screw, and be fixedly connected with the bottom surface of above-mentioned rear Cutting tool installation manner plate, and the bottom surface of above-mentioned rear Cutting tool installation manner plate is convexly equipped with slide block, the upper surface of above-mentioned rear base plate is convexly equipped with the slide rail for the skid on above-mentioned rear Cutting tool installation manner plate.
After adopting such scheme, a kind of vertical numerical control carving machine of the present invention, due to for rough machined first cutter and for accurately machined second cutter be jointly located at processing knife rest both sides, make the workpiece to be carved on holding tray can carry out finishing step without the need to carrying out replacing engraving machine or changeing cutter after roughing operation completes, eliminate workpiece transfer or dismounting cutter and calibration steps again, greatly reduce the labour intensity of workman, improve engraving precision, reduce mismachining tolerance, and increase work efficiency.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of another angle of the present invention;
Fig. 3 is the structural representation of upper frame lifting control mechanism in the present invention.
Detailed description of the invention
In order to explain technical scheme of the present invention further, below by specific embodiment, the present invention will be described in detail.
A kind of vertical numerical control carving machine of the present invention, as shown in Figure 1, 2, comprises base 1, portal frame 2, Workpiece clamping underframe 3, Workpiece clamping upper frame 4, and processing knife rest 5, and portal frame 2 is fixed on base 1.
Described Workpiece clamping underframe 3 is a square framework, this square framework is placed horizontally in the bottom of portal frame 2, and be fixedly connected with portal frame 2, the upper surface of this Workpiece clamping underframe 3 stacks the holding tray 31 placed for workpiece to be carved, this holding tray 31 is a disk, this holding tray 31 is at least provided with three, the rotation control mechanism driving this holding tray 31 to rotate is provided with in this square framework, this rotation control mechanism comprises motor 321, first power transmission shaft 322, first bevel gear (not shown), second bevel gear (not shown) and second driving shaft (not shown), first bevel gear, second bevel gear, second driving shaft setting corresponding with holding tray 31, first bevel gear, second bevel gear and second driving shaft are all located in an install bin 33, motor 321 and the first power transmission shaft 322 all accumbency are positioned in square framework, and the output shaft of motor 321 and the first power transmission shaft 322 are in transmission connection, first bevel gear fixed cover is located on the first power transmission shaft 322, second driving shaft (not shown) is erected in square framework, and vertically with the first power transmission shaft 322 to arrange, and the upper end of second driving shaft passes, and square box is external to be fixedly connected with holding tray 31, second bevel gear is fixed on the lower end of second driving shaft, and be meshed with the first bevel gear.During use, motor 321 drives the first power transmission shaft 322 to rotate, the rotation of the first power transmission shaft 322 makes the first bevel gear and the first power transmission shaft 322 together rotate, first bevel gear drives the second bevel gear to rotate, the rotation of the second bevel gear makes second driving shaft and the second bevel gear together rotate, the rotation of second driving shaft can make holding tray 31 rotate, and by this rotation control mechanism, engraving machine can be carved to spherical work-piece.
Described Workpiece clamping upper frame 4 is a crossbeam, this Workpiece clamping upper frame 4 is in the top of Workpiece clamping underframe 3, and Workpiece clamping upper frame 4 is installed in below the top of portal frame 2 in mode moving up and down, this portal frame 2 is provided with the upper frame lifting control mechanism controlling Workpiece clamping upper frame 4 and move up and down, this upper frame lifting control mechanism comprises drive motors 41, drive lead screw 42, power transmission shaft 43, first bevel gear 44 and the second bevel gear 45, a left side for portal frame 2, erect respectively in right both sides and have this drive lead screw 42, a left side for Workpiece clamping upper frame 4, right both sides offer for the corresponding punched out of passing of two drive lead screws 42 respectively, the lower end of drive lead screw 42 is through this punched out and activity is stretched in Workpiece clamping underframe 3, and the hole wall of this punched out is provided with the internal thread be screwed with the external screw thread of drive lead screw 42, power transmission shaft 43 accumbency is placed and is in the top of Workpiece clamping upper frame 4, and a left side for power transmission shaft 43, right two ends are respectively equipped with the first described bevel gear 44, the upper end of two drive lead screws 42 is provided with the second described bevel gear 45 respectively, two above-mentioned second bevel gears 45 are corresponding to be respectively meshed with two above-mentioned first bevel gears 44, drive motors 41 is fixed on the top of portal frame 2, and drive with power transmission shaft 43 and be connected, particularly, the output shaft of drive motors 41 is provided with a bevel gear 411, power transmission shaft 43 is provided with the bevel gear 431 that is meshed of bevel gear 411 therewith.During use, drive motors 41 drives two first bevel gears 44 to rotate through power transmission shaft 43, the rotation of two first bevel gears 44 drives the second bevel gear 45 to rotate, the rotation of the second bevel gear 45 drives drive lead screw 42 to rotate, because the internal thread of punched out is screwed on the external screw thread of drive lead screw 42 and Workpiece clamping upper frame 4, Workpiece clamping upper frame 4 can be moved do oscilaltion along drive lead screw 42.In the present invention, can erect on Workpiece clamping upper frame 4 and have some push rods 46, Workpiece clamping upper frame 4 offers the through hole supplying the lower end of each push rod 46 to pass, the lateral wall of push rod 46 is provided with external screw thread, the hole wall of through hole is provided with the internal thread that external screw thread is therewith screwed, and the upper end of push rod 46 is provided with the operation handwheel 47 of this push rod of operation, this operation handwheel 47 is in the top of Workpiece clamping upper frame 4; When Workpiece clamping to be carved is like this between Workpiece clamping upper frame 4 and Workpiece clamping underframe 3, also rotatable operation handwheel 47, the lower end of push rod 46 is held out against workpiece to be carved is to increase the clamped degree of workpiece to be carved, thus workpiece to be carved is not easily rocked in engraving process, and then improve engraving precision.
Described processing knife rest 5 is a square framework, this processing knife rest 5 horizontal positioned, and be sheathed on outside portal frame 2, this processing knife rest 5 is arranged on portal frame 2 in mode moving up and down, portal frame 2 is provided with the knife rest lifting control mechanism that controlled working knife rest 5 moves up and down, this knife rest lifting control mechanism comprises drive motors 51 and drive lead screw 52, a left side for processing knife rest 5, erect respectively in right both sides and have this drive lead screw 52, and the left and right sides of processing knife rest 5 is convexly equipped with for the corresponding mounting blocks 53 passed of two drive lead screws 52 respectively, this mounting blocks 53 offers the through hole passed for drive lead screw 52, the hole wall of this through hole is provided with the internal thread be screwed with the external screw thread of drive lead screw 52, the lower end activity of drive lead screw 52 is stretched in base 1, drive motors 51 is fixed on the top of portal frame 2, and the upper end of the output shaft of drive motors 51 and drive lead screw 52 is in transmission connection, drive motors 51 is synchronous motor.During the work of knife rest lifting control mechanism, drive motors 51 can drive drive lead screw 52 to rotate, and the internal thread that the external screw thread being provided with drive lead screw 52 therewith in the through hole of mounting blocks 53 is screwed, the rotation of such drive lead screw 52 can make mounting blocks 53 move up and down along drive lead screw 52, and then makes processing knife rest 5 make lifting action.In the present invention, the slide block 54 towards portal frame 2 can be convexly equipped with respectively at the two ends, front side of processing knife rest 5, the two ends, front side of portal frame 2 short transverse be respectively equipped with along portal frame 2 extends, and for the slide rail 21 that two slide blocks 54 slide, make to play guide effect to processing moving up and down of knife rest 5 with coordinating of slide rail 21 by slide block 54; Also can be respectively equipped with a gravity rope 55 in the arranged on left and right sides of processing knife rest 5 simultaneously, and the top of portal frame 2 is provided with the installation wheel 56 walked around for gravity rope 55, the first end of this gravity rope 55 is fixed on processing knife rest 5, second end passes the top of portal frame 2 and walks around installation wheel 56, and the second end of gravity rope 55 is fixed with the counterweight 6 be in outside portal frame 2, the gravity of this counterweight 6 is less than the gravity of processing knife rest 5; Like this because one end of gravity rope 55 is fixed with processing knife rest 5, the other end is fixed with counterweight 6, makes counterweight 6 dispersible the gravity of processing knife rest 5, plays balanced action, make moving up and down of processing knife rest 5 comparatively light, flexible.
The front and rear sides of this processing knife rest 5 is separately installed with can the first knife rest of all around movement and the second knife rest, the front side of processing knife rest 5 is located at by first knife rest, the rear side of processing knife rest 5 is located at by second knife rest, first knife rest is provided with and for carrying out the workpiece to be carved on holding tray 31, rough machined first cutter 7, second knife rest is provided with for carrying out accurately machined second cutter 8 to the workpiece to be carved on holding tray 31.In the present invention, the first cutter 7 is all identical with accurately machined cutter with existing rough machined cutter with operation principle with the structure of the second cutter 8, and the applicant is not repeated at this.
Described first knife rest comprises base plate 91 and Cutting tool installation manner plate 92, Cutting tool installation manner plate 92 is arranged on base plate 91 in the mode that can move forward and backward, base plate 91 is arranged on the front side upper surface of processing knife rest 5 in the mode that can move left and right, first cutter 7 is arranged on Cutting tool installation manner plate 92, the front side of processing knife rest 5 is provided with the left and right drive unit driving base plate 91 to move left and right, the upper surface of base plate 91 is provided with the front and back drive unit driving Cutting tool installation manner plate 92 movable, this left and right drive unit includes motor 911, the nut that drive lead screw 912 and therewith drive lead screw 912 match, the front side of processing knife rest 5 is arranged with and is positioned over interior installation groove for the first drive lead screw 912 accumbency is unsettled, motor 911 accumbency is fixed on the right side front of processing knife rest 5, and the right-hand member of the output shaft of motor 911 and drive lead screw 912 is in transmission connection, nut sleeve is located at outside drive lead screw 912, and be fixedly connected with the bottom surface of base plate 91, and the bottom surface of base plate 91 is convexly equipped with slide block 913, the front side upper surface of processing knife rest 5 is provided with the slide rail 57 slided for this slide block 913, guide effect can be played to moving left and right of base plate 91 with coordinating of slide rail 57 by slide block 913.
Described front and back drive unit comprises motor 921, the nut (not shown) that drive lead screw 922 and therewith drive lead screw 922 match, motor 921 accumbency is positioned over the upper surface of base plate 91, and be in the front of Cutting tool installation manner plate 92, above the unsettled upper surface lying against base plate 91 of drive lead screw 922, and vertically with drive lead screw 912 to arrange, the output shaft of motor 921 and the front end of drive lead screw 922 are in transmission connection, nut (not shown) is sheathed on outside drive lead screw 922, and be fixedly connected with the bottom surface of Cutting tool installation manner plate 92, and the bottom surface of Cutting tool installation manner plate 92 is convexly equipped with slide block 923, the upper surface of base plate 91 is convexly equipped with the slide rail 914 slided for slide block 923, guide effect can be played to the movable of cutter installing plate 92 with coordinating of slide rail 914 by slide block 923.
Described second knife rest comprises base plate 93 and Cutting tool installation manner plate 94, Cutting tool installation manner plate 93 is arranged on base plate 94 in the mode that can move forward and backward, base plate 94 is arranged on the rear side upper surface of processing knife rest 5 in the mode that can move left and right, second cutter 8 is arranged on Cutting tool installation manner plate 93, the rear side of processing knife rest 5 is provided with the left and right drive unit driving base plate 93 to move left and right, the upper surface of base plate 93 is provided with the front and back drive unit driving Cutting tool installation manner plate 94 movable, the left and right drive unit of this second knife rest is identical with operation principle with the structure of front and back drive unit with the left and right drive unit of the first knife rest with operation principle with the structure of front and back drive unit, its difference is only: the motor accumbency of this left and right drive unit is fixed on the right side rear end of processing knife rest 5, before and after this, the motor of drive unit is in the rear of Cutting tool installation manner plate 94.
A kind of vertical numerical control carving machine of the present invention, its job step is as follows: one, be placed on holding tray 31 by workpiece to be carved, start upper frame lifting control mechanism, upper frame lifting control mechanism controls Workpiece clamping upper frame 4 and moves down, make Workpiece clamping to be carved between Workpiece clamping upper frame 4 and Workpiece clamping underframe 3, operation operation handwheel 47 again, the top of the lower end of push rod 46 is held out against workpiece to be carved, two, roughing, start knife rest lifting control mechanism, the left and right drive unit of the first cutter 7, first knife rest and the front and back drive unit of the first knife rest, the oscilaltion of such processing knife rest 5 is moved and is made the first cutter 7 on the first knife rest can to doing the roughing of above-below direction by the workpiece to be carved on holding tray 31, the all around of the first knife rest moves horizontally and makes the first cutter 7 can treat engraving workpiece to do the roughing in direction, all around, thus makes workpiece to be carved can obtain the roughing of X-axis, Y-axis, Z-direction, three, fine finishining, after roughing completes, first stop the left and right drive unit of the first knife rest and the front and back drive unit of the first knife rest, restart rotation control mechanism roughing is completed after workpiece towards the second cutter 8, finally start the second cutter 8, the left and right drive unit of the second knife rest and the front and back drive unit of the second knife rest, the oscilaltion of such processing knife rest 5 is moved and is made the second cutter 8 can to doing the fine finishining of above-below direction by the workpiece to be carved on holding tray 31, the front and back of the second knife rest, left and right horizontal moves and makes the second cutter 8 can treat before and after engraving workpiece work, the fine finishining of left and right directions, thus make workpiece to be carved obtain X-axis, Y-axis, the fine finishining of Z-direction.In the present invention, rotation control mechanism and the first cutter 7 can be started in the second step and work together and start rotation control mechanism in third step and the second cutter 8 works together, make workpiece to be carved can realize the engraving of multi-angle like this.Compared with prior art, due to for rough machined first cutter 7 and for accurately machined second cutter 8 be jointly located at processing knife rest 5 front and rear sides, make the workpiece to be carved on holding tray 31 can carry out finishing step without the need to carrying out replacing engraving machine or changeing cutter after roughing operation completes, eliminate workpiece transfer or dismounting cutter and calibration steps again, greatly reduce the labour intensity of workman, improve engraving precision, reduce mismachining tolerance, and increase work efficiency.
Above-described embodiment and graphic and non-limiting product form of the present invention and style, any person of an ordinary skill in the technical field, to its suitable change done or modification, all should be considered as not departing from patent category of the present invention.

Claims (8)

1. a vertical numerical control carving machine, comprises base and is fixed on the portal frame on base, it is characterized in that, also include:
Workpiece clamping underframe, this Workpiece clamping underframe is fixedly arranged in above-mentioned portal frame, this Workpiece clamping underframe is provided with rotatable, and for the holding tray that workpiece to be carved is placed, and above-mentioned Workpiece clamping underframe is provided with the rotation control mechanism controlling above-mentioned holding tray and rotate;
Workpiece clamping upper frame, this Workpiece clamping upper frame is in the top of above-mentioned Workpiece clamping underframe, and above-mentioned Workpiece clamping upper frame is installed in above-mentioned portal frame in mode moving up and down, above-mentioned portal frame is provided with the upper frame lifting control mechanism controlling above-mentioned Workpiece clamping upper frame and move up and down;
Processing knife rest, this processing knife rest is arranged on above-mentioned portal frame in mode moving up and down, above-mentioned portal frame is provided with the knife rest lifting control mechanism controlling above-mentioned processing knife rest and move up and down, and be separately installed with can the first knife rest of all around movement and the second knife rest in the both sides of above-mentioned processing knife rest, above-mentioned first knife rest being provided with for carrying out rough machined first cutter to the workpiece to be carved on above-mentioned holding tray, above-mentioned second knife rest being provided with for carrying out accurately machined second cutter to the workpiece to be carved on above-mentioned holding tray;
Above-mentioned processing knife rest is a square framework, above-mentioned processing knife rest horizontal positioned, and above-mentioned portal frame is in above-mentioned processing knife rest, above-mentioned knife rest lifting control mechanism comprises drive motors and drive lead screw, a left side for above-mentioned processing knife rest, erect respectively in right both sides and have above-mentioned drive lead screw, and above-mentioned processing knife rest is convexly equipped with the mounting blocks supplying the lower end of above-mentioned drive lead screw to pass, above-mentioned mounting blocks offers the through hole supplying the lower end of above-mentioned drive lead screw to pass, the hole wall of this through hole is provided with the internal thread be screwed with the external screw thread of above-mentioned drive lead screw, the lower end activity of above-mentioned drive lead screw is stretched in above-mentioned base, above-mentioned drive motors is fixed on the top of above-mentioned portal frame, and the upper end of the output shaft of above-mentioned drive motors and above-mentioned drive lead screw is in transmission connection, above-mentioned drive motors is synchronous motor, above-mentioned processing knife rest is provided with a gravity rope, the top of above-mentioned portal frame is provided with the installation wheel walked around for above-mentioned gravity rope, one end of above-mentioned gravity rope is fixed on above-mentioned processing knife rest, the other end of above-mentioned gravity rope passes the top of above-mentioned portal frame and walks around above-mentioned installation wheel, and the other end of above-mentioned gravity rope is fixed with the counterweight be in outside above-mentioned portal frame, the gravity of above-mentioned counterweight is less than the gravity of above-mentioned processing knife rest,
Above-mentioned Workpiece clamping underframe is a framework being placed horizontally in the bottom of above-mentioned portal frame, and above-mentioned holding tray is a disk, and above-mentioned disk is stacked on the upper surface of above-mentioned framework, and above-mentioned rotation control mechanism is located in above-mentioned framework.
2. a kind of vertical numerical control carving machine according to claim 1, it is characterized in that: above-mentioned rotation control mechanism comprises motor, first power transmission shaft, first bevel gear, second bevel gear and second driving shaft, above-mentioned motor and the equal accumbency of above-mentioned first power transmission shaft are positioned in above-mentioned framework, and the output shaft of above-mentioned motor is connected with above-mentioned first transmission shaft driven, above-mentioned first bevel gear fixed cover is located on above-mentioned first power transmission shaft, above-mentioned second driving shaft is erected in above-mentioned framework, and the upper end of above-mentioned second driving shaft passes, and above-mentioned framework is outer to be fixedly connected with above-mentioned holding tray, above-mentioned second bevel gear is fixed on the lower end of above-mentioned second driving shaft, and be meshed with above-mentioned first bevel gear.
3. a kind of vertical numerical control carving machine according to claim 2, is characterized in that: above-mentioned holding tray is at least provided with three, above-mentioned first bevel gear, above-mentioned second bevel gear, the setting corresponding with above-mentioned holding tray of above-mentioned second driving shaft.
4. a kind of vertical numerical control carving machine according to claim 1, it is characterized in that: above-mentioned Workpiece clamping upper frame is a crossbeam, above-mentioned upper frame lifting control mechanism comprises drive motors, power transmission shaft, first drive lead screw, second drive lead screw, first bevel gear and the second bevel gear, above-mentioned first drive lead screw and above-mentioned second drive lead screw are erected in a left side for above-mentioned portal frame respectively, in right both sides, and a left side for above-mentioned crossbeam, right both sides offer for above-mentioned first drive lead screw first punched out of passing corresponding to above-mentioned second drive lead screw and the second punched out respectively, the lower end of above-mentioned first drive lead screw and the lower end of above-mentioned second drive lead screw are corresponding through above-mentioned first punched out and above-mentioned second punched out and activity is stretched into in above-mentioned Workpiece clamping underframe respectively, the hole wall of above-mentioned first punched out is provided with the internal thread be screwed with the external screw thread of above-mentioned first drive lead screw, the hole wall of above-mentioned second punched out is provided with the internal thread be screwed with the external screw thread of above-mentioned second drive lead screw, above-mentioned power transmission shaft accumbency is placed and is in the top of above-mentioned crossbeam, and a left side for above-mentioned power transmission shaft, right two ends are respectively equipped with above-mentioned first bevel gear, the upper end of above-mentioned first drive lead screw and the upper end of above-mentioned second drive lead screw are provided with above-mentioned second bevel gear respectively, two above-mentioned second bevel gears are corresponding to be respectively meshed with two above-mentioned first bevel gears, above-mentioned drive motors is fixed on the top of above-mentioned portal frame, and drive with above-mentioned power transmission shaft and be connected.
5. a kind of vertical numerical control carving machine according to claim 4, it is characterized in that: above-mentioned crossbeam is erect some push rods, above-mentioned crossbeam offers the through hole supplying the lower end of each above-mentioned push rod to pass, the lateral wall of above-mentioned push rod is provided with external screw thread, the hole wall of above-mentioned through hole is provided with the internal thread that external screw thread is therewith screwed, and the upper end of above-mentioned push rod is provided with the operation handwheel of this push rod of operation.
6. a kind of vertical numerical control carving machine according to claim 1, it is characterized in that: the front side of above-mentioned processing knife rest is located at by above-mentioned first knife rest, the rear side of above-mentioned processing knife rest is located at by above-mentioned second knife rest, above-mentioned first knife rest comprises noseplate and front Cutting tool installation manner plate, above-mentioned front Cutting tool installation manner plate is arranged on above-mentioned noseplate in the mode that can move forward and backward, above-mentioned noseplate is arranged on the front side upper surface of above-mentioned processing knife rest in the mode that can move left and right, and above-mentioned first Cutting tool installation manner is on above-mentioned front Cutting tool installation manner plate; Above-mentioned second knife rest comprises rear base plate and rear Cutting tool installation manner plate, above-mentioned rear Cutting tool installation manner plate is arranged on above-mentioned rear base plate in the mode that can move forward and backward, above-mentioned rear base plate is arranged on the rear side upper surface of above-mentioned processing knife rest in the mode that can move left and right, and above-mentioned second Cutting tool installation manner is on above-mentioned rear Cutting tool installation manner plate.
7. a kind of vertical numerical control carving machine according to claim 6, it is characterized in that: the front side of above-mentioned processing knife rest is provided with the left and right drive unit driving above-mentioned noseplate to move left and right, the upper surface of above-mentioned noseplate is provided with the front and back drive unit driving above-mentioned front Cutting tool installation manner plate movable, above-mentioned left and right drive unit includes the first motor, the first nut that first drive lead screw and therewith the first drive lead screw match, the front side of above-mentioned processing knife rest is arranged with and is positioned over interior installation groove for above-mentioned first drive lead screw accumbency, above-mentioned first motor accumbency is fixed on the right side front place of above-mentioned processing knife rest, and the right-hand member of the output shaft of above-mentioned first motor and above-mentioned first drive lead screw is in transmission connection, above-mentioned first nut sleeve is located at outside above-mentioned first drive lead screw, and be fixedly connected with the bottom surface of above-mentioned noseplate, and the bottom surface of above-mentioned noseplate is convexly equipped with slide block, the front side upper surface of above-mentioned processing knife rest is provided with the slide rail for this skid, above-mentioned front and back drive unit comprises the second motor, the second nut that second drive lead screw and therewith the second drive lead screw match, above-mentioned second motor accumbency is positioned over the upper surface of above-mentioned noseplate, and be in the front of above-mentioned front Cutting tool installation manner plate, above-mentioned second drive lead screw lies against on the upper surface of above-mentioned noseplate, and vertically with above-mentioned first drive lead screw to arrange, the output shaft of above-mentioned second motor and the front end of above-mentioned second drive lead screw are in transmission connection, above-mentioned second nut sleeve is located at outside above-mentioned second drive lead screw, and be fixedly connected with the bottom surface of above-mentioned front Cutting tool installation manner plate, and the bottom surface of above-mentioned front Cutting tool installation manner plate is convexly equipped with slide block, the upper surface of above-mentioned noseplate is convexly equipped with the slide rail for the skid on above-mentioned front Cutting tool installation manner plate.
8. a kind of vertical numerical control carving machine according to claim 6, it is characterized in that: the rear side of above-mentioned processing knife rest is provided with the left and right drive unit driving above-mentioned rear base plate to move left and right, the upper surface of above-mentioned rear base plate is provided with the front and back drive unit driving above-mentioned rear Cutting tool installation manner plate movable, above-mentioned left and right drive unit includes the first motor, the first nut that first drive lead screw and therewith the first drive lead screw match, the rear side of above-mentioned processing knife rest is arranged with and is positioned over interior installation groove for above-mentioned first drive lead screw accumbency, above-mentioned first motor accumbency is fixed on the right side rear end of above-mentioned processing knife rest, and the right-hand member of the output shaft of above-mentioned first motor and above-mentioned first drive lead screw is in transmission connection, above-mentioned first nut sleeve is located at outside above-mentioned first drive lead screw, and be fixedly connected with the bottom surface of above-mentioned rear base plate, and the bottom surface of above-mentioned rear base plate is convexly equipped with slide block, the rear side upper surface of above-mentioned processing knife rest is provided with the slide rail for this skid, above-mentioned front and back drive unit comprises the second motor, the second nut that second drive lead screw and therewith the second drive lead screw match, above-mentioned second motor accumbency is positioned over the upper surface of above-mentioned rear base plate, and be in the rear of above-mentioned rear Cutting tool installation manner plate, above-mentioned second drive lead screw lies against on the upper surface of above-mentioned rear base plate, and vertically with above-mentioned first drive lead screw to arrange, the output shaft of above-mentioned second motor is connected with the rear-end transmission of above-mentioned second drive lead screw, above-mentioned second nut sleeve is located at outside above-mentioned second drive lead screw, and be fixedly connected with the bottom surface of above-mentioned rear Cutting tool installation manner plate, and the bottom surface of above-mentioned rear Cutting tool installation manner plate is convexly equipped with slide block, the upper surface of above-mentioned rear base plate is convexly equipped with the slide rail for the skid on above-mentioned rear Cutting tool installation manner plate.
CN201210305847.1A 2012-08-24 2012-08-24 Novel vertical numerical-control engraving machine Expired - Fee Related CN102825962B (en)

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CN103886802A (en) * 2014-04-04 2014-06-25 西北农林科技大学 Small engraving machine for teaching
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