CN103433539B - There is the angular milling head of double pitch worm worm-drive backlash eliminating equipment - Google Patents
There is the angular milling head of double pitch worm worm-drive backlash eliminating equipment Download PDFInfo
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Abstract
The invention discloses a kind of angular milling head with double pitch worm worm-drive backlash eliminating equipment, to improve the machining accuracy of angular milling head.This angular milling head comprises angular milling headstock and milling head body, described milling head body is arranged on by guiding driving mechanism also can around a reference axis bidirectional swinging under the maintenance of this guiding driving mechanism on angular milling headstock, described guiding driving mechanism have employed double pitch worm worm-drive backlash eliminating equipment, double pitch worm is wherein positioned in shell via front end rotary support assembly and rear end rotary support assembly, described front end rotary support assembly comprises front end sleeve barrier part, the inner hole wall of this front end sleeve barrier part forms front end pilot hole and nose threads hole from inside to outside respectively, also axial sliding fit with it in this front end pilot hole is arranged on the close-fitting front end bearing in the leading section of double pitch worm, the front end adjusting screw(rod) connected with nose threads hole adaptation axially presses cycle surface outside front end bearing from outside to inside.
Description
Technical field
The present invention relates to a kind of multiaxis NC maching equipment, be specifically related to a kind of for cutting soft materials such as greasy filth, foam, timber or light-duty resins and be shaped to the three-dimensional soft model cutting forming machine of three-dimensional entity model.In addition, the invention still further relates to three-dimensional soft model cutting forming method.
Background technology
In industrial design fields such as vehicle configurations, often need to use the soft materials such as greasy filth to make three-dimensional entity model and emulate.Wherein a kind of more advanced method utilizes 3 d modeling software design in a computer, and then utilize multi-axis numerical control cutting apparatus to process by the shape designed soft material.But, have not yet to see the special equipment of the soft model cutting forming of a kind of three-dimensional, its can either fast, smooth and process complicated shape accurately, the smooth of machined surface can be ensured again simultaneously.
Summary of the invention
The technical problem that first the present invention will solve is to provide a kind of compact conformation, processing smoothness three-dimensional soft model cutting forming machine efficiently, and, use this three-dimensional soft model cutting forming machine to realize the three-dimensional soft model cutting forming method of highly-efficient processing.
In addition, the technical problem that the present invention also will solve is to provide a kind of angular milling head with double pitch worm worm-drive backlash eliminating equipment including but not limited to apply in this three-dimensional soft model cutting forming machine, to improve the machining accuracy of angular milling head.
Three-dimensional of the present invention soft model cutting forming machine comprises: base; And column, described column is arranged on base by the first guiding driving mechanism and also can moves back and forth along horizontal X axle under the maintenance of this first guiding driving mechanism; Cantilever mounted, described cantilever mounted is arranged on column by the second guiding driving mechanism and also can moves back and forth along vertical Z axis under the maintenance of this second guiding driving mechanism; Movable cantilever, described movable cantilever is arranged in cantilever mounted by the 3rd guiding driving mechanism and also can moves back and forth along horizontal Y-axis under the maintenance of the 3rd guiding driving mechanism; Angular milling headstock, described angular milling headstock by the 4th guiding driving mechanism be arranged on movable cantilever front end and can around the first reference axis bidirectional swinging parallel with horizontal Y-axis under the maintenance of the 4th guiding driving mechanism; Milling head body, described milling head body is arranged on by the 5th guiding driving mechanism also can around the second reference axis bidirectional swinging perpendicular to the first reference axis under the maintenance of the 5th guiding driving mechanism on angular milling headstock; And if the milling cutter centre of gyration of milling head body parallel with horizontal X axle with the second reference axis is parallel with the first reference axis is original state, then relative to this original state, angular milling headstock can around the first reference axis bidirectional swinging within the scope of at least ± 90 °, and milling head body can around the second reference axis bidirectional swinging within the scope of at least ± 90 °.
The above-mentioned three-dimensional of the present invention soft model cutting forming owner will have the advantage of following several respects: the first, and have employed cantilever structure, equipment occupation space is relatively little, and compact conformation degree is higher; Second, based on the special five-axle linkage mode of this cantilever structure, can either the disposable large-area end face processing model, again can the disposable large-area side processing model, therefore the range of work of one-time positioning is wide, and complicated shape can be processed, reduce tool setting, tool changing operation simultaneously, make processing more smooth quick; 3rd, five-axle linkage mode can realize nearly normal milling, ensures the smooth of machined surface.
On the basis of said structure, in order to further improve the range of work of three-dimensional soft model cutting forming machine one-time positioning, relative to described original state, described angular milling headstock preferably can rotate around the first reference axis Double-directional rotary within the scope of ± 170 °, and described milling head body preferably can around the second reference axis bidirectional swinging within the scope of ± 110 °.
In above-mentioned three-dimensional soft model cutting forming machine, as a kind of ideal structure of its column, described column have employed the Plate Welding that polylith is provided with loss of weight hole slot and forms and pass through the main body frame except welding stress process, the side of this main body frame comprises left plate, right plate and front side board, left plate is parallel with right plate, be symmetrical arranged and be up-narrow and down-wide right-angled trapezium, this right-angled trapezium upper base and the length ratio of going to the bottom are 0.3 to 0.5, described front side board is vertically mounted between left plate with right plate and both sides and welds with the straight flange of left plate and right plate respectively, left plate, the upper end welding upper cross plate of right plate and front side board, lower end welding lower cross plate, the inner side of main body frame arranges polylith and strengthens transverse slat along short transverse interval, each reinforcement transverse slat respectively with left plate, the medial surface of right plate and front side board is welded as a whole, described cantilever mounted is installed on front side board side.
And as a kind of ideal structure of its movable cantilever, described movable cantilever have employed the Plate Welding that polylith is provided with loss of weight hole slot and forms and pass through the main body frame except welding stress process, the side of this main body frame forms strip rectangular configuration by four pieces of plate-side plate weldings, the two ends welded end plate respectively of this strip rectangular configuration.Test shows, the column of said structure and movable cantilever not only lighter in weight, has very high rigidity simultaneously, can keep the supportive that three-dimensional soft model cutting forming machine is higher.
In order to improve the drive control precision of the 4th guiding driving mechanism, described 4th guiding driving mechanism have employed double pitch worm worm-drive backlash eliminating equipment, this double pitch worm worm-drive backlash eliminating equipment comprises installation double pitch worm worm gear in the enclosure, double pitch worm is wherein positioned in shell via front end rotary support assembly and rear end rotary support assembly, the engagement that corresponding worm gear is correct with it also keeps the centre-to-centre spacing of setting, described worm gear drives angular milling headstock to swing around the first reference axis by the power transmission shaft connected with this worm gear propeller boss, described double pitch worm is provided with driven gear between its helical tooth and front end rotary support assembly, this driven gear engages with the driving gear driven by the servomotor being arranged on double pitch worm side, described front end rotary support assembly comprises front end sleeve barrier part, the inner hole wall of this front end sleeve barrier part forms front end pilot hole and nose threads hole from inside to outside respectively, be arranged on also axial sliding fit with it in this front end pilot hole with the close-fitting front end bearing in the leading section of double pitch worm, the front end adjusting screw(rod) connected with nose threads hole adaptation axially presses cycle surface outside front end bearing from outside to inside, described rear end rotary support assembly comprises rear end sleeve member, the inner hole wall of this rear end sleeve member forms rear end pilot hole and rear end screwed hole from inside to outside respectively, be arranged on also axial sliding fit with it in this rear end pilot hole with the close-fitting rear end bearing of the rearward end of double pitch worm, the rear end adjusting screw(rod) connected with rear end screwed hole adaptation axially presses cycle surface outside rear end bearing from outside to inside.
As the further improvement to above-mentioned double pitch worm worm-drive backlash eliminating equipment, the coaxial and aperture of front end pilot hole is greater than the aperture in nose threads hole thus forms retaining step described front end pilot hole with nose threads hole; Further, the coaxial and aperture of rear end pilot hole is greater than the aperture of rear end screwed hole thus forms retaining step described rear end pilot hole with rear end screwed hole.
Same, in order to improve the drive control precision of the 5th guiding driving mechanism, described 5th guiding driving mechanism have employed double pitch worm worm-drive backlash eliminating equipment, this double pitch worm worm-drive backlash eliminating equipment comprises installation double pitch worm worm gear in the enclosure, double pitch worm is wherein positioned in shell via front end rotary support assembly and rear end rotary support assembly, the engagement that corresponding worm gear is correct with it also keeps the centre-to-centre spacing of setting, described worm gear drives milling head body to swing around the second reference axis by the power transmission shaft connected with this worm gear propeller boss, described double pitch worm is provided with driven gear between its helical tooth and front end rotary support assembly, this driven gear engages with the driving gear driven by the servomotor being arranged on double pitch worm side, described front end rotary support assembly comprises front end sleeve barrier part, the inner hole wall of this front end sleeve barrier part forms front end pilot hole and nose threads hole from inside to outside respectively, be arranged on also axial sliding fit with it in this front end pilot hole with the close-fitting front end bearing in the leading section of double pitch worm, the front end adjusting screw(rod) connected with nose threads hole adaptation axially presses cycle surface outside front end bearing from outside to inside, described rear end rotary support assembly comprises rear end sleeve member, the inner hole wall of this rear end sleeve member forms rear end pilot hole and rear end screwed hole from inside to outside respectively, be arranged on also axial sliding fit with it in this rear end pilot hole with the close-fitting rear end bearing of the rearward end of double pitch worm, the rear end adjusting screw(rod) connected with rear end screwed hole adaptation axially presses cycle surface outside rear end bearing from outside to inside.
As the further improvement to above-mentioned double pitch worm worm-drive backlash eliminating equipment, the coaxial and aperture of front end pilot hole is greater than the aperture in nose threads hole thus forms retaining step described front end pilot hole with nose threads hole; Further, the coaxial and aperture of rear end pilot hole is greater than the aperture of rear end screwed hole thus forms retaining step described rear end pilot hole with rear end screwed hole.
" double pitch worm worm gear " is prior art.Its principle is: on double pitch worm, and the helical pitch numerical value of helical tooth both sides helicoid is different, and the helical pitch of homonymy helicoid is then equal, thus defines the transverse tooth thickness evenly increased vertically; But, be identical with each transverse tooth thickness of the worm gear that double pitch worm engages.Like this, after double pitch worm worm gear operates a period of time wearing and tearing, just can utilize the backlash moving axially to eliminate double pitch worm worm gear of double pitch worm, thus ensure transmission accuracy, guarantee the accuracy realizing the control of lathe calibration by double pitch worm worm gear.Double pitch worm worm-drive backlash eliminating equipment in the present invention mainly have employed novel structural design in the part of adjustment double pitch worm axial displacement.Concretely, in the present invention, double pitch worm is positioned in shell via a front end rotary support assembly and a rear end rotary support assembly, this front end rotary support assembly and rear end rotary support assembly can apply contrary axial force to double pitch worm respectively, like this, after double pitch worm is axially adjusted to the right place, just can be good at by this front end rotary support assembly and rear end rotary support assembly the axial location maintaining double pitch worm, prevent its axial runout.
Three-dimensional of the present invention soft model cutting forming method, its step comprises: one, at the three-dimensional soft model cutting forming machine that the periphery at least two of the soft model of three-dimensional to be processed is above-mentioned; Two, the relative position between each three-dimensional soft model cutting forming machine and the soft mould processing benchmark of three-dimensional to be processed is set up respectively; Three, work out the machining path of each three-dimensional soft model cutting forming machine and determine its machining area, guarantor does not really interfere between three-dimensional soft model cutting forming machine, overlap in their edge between each machining area and machining area adjacent with it; Four, process by the program set above.Obviously, the method is except make use of the advantage of three-dimensional of the present invention soft model cutting forming machine, and owing to also achieving the associating of at least two three-dimensional soft model cutting forming machines, therefore working (machining) efficiency can significantly improve further.
A kind of angular milling head with double pitch worm worm-drive backlash eliminating equipment including but not limited to apply in above-mentioned three-dimensional soft model cutting forming machine also will provided below the present invention, this angular milling head comprises angular milling headstock and milling head body, described milling head body is arranged on by guiding driving mechanism also can around a reference axis bidirectional swinging under the maintenance of this guiding driving mechanism on angular milling headstock, described guiding driving mechanism have employed double pitch worm worm-drive backlash eliminating equipment, this double pitch worm worm-drive backlash eliminating equipment comprises installation double pitch worm worm gear in the enclosure, double pitch worm is wherein positioned in shell via front end rotary support assembly and rear end rotary support assembly, the engagement that corresponding worm gear is correct with it also keeps the centre-to-centre spacing of setting, described worm gear drives milling head body to swing around described reference axis by the power transmission shaft connected with this worm gear propeller boss, described double pitch worm is provided with driven gear between its helical tooth and front end rotary support assembly, this driven gear engages with the driving gear driven by the servomotor being arranged on double pitch worm side, described front end rotary support assembly comprises front end sleeve barrier part, the inner hole wall of this front end sleeve barrier part forms front end pilot hole and nose threads hole from inside to outside respectively, be arranged on also axial sliding fit with it in this front end pilot hole with the close-fitting front end bearing in the leading section of double pitch worm, the front end adjusting screw(rod) connected with nose threads hole adaptation axially presses cycle surface outside front end bearing from outside to inside, described rear end rotary support assembly comprises rear end sleeve member, the inner hole wall of this rear end sleeve member forms rear end pilot hole and rear end screwed hole from inside to outside respectively, be arranged on also axial sliding fit with it in this rear end pilot hole with the close-fitting rear end bearing of the rearward end of double pitch worm, the rear end adjusting screw(rod) connected with rear end screwed hole adaptation axially presses cycle surface outside rear end bearing from outside to inside.
As the further improvement to its double pitch worm worm-drive backlash eliminating equipment, the coaxial and aperture of front end pilot hole is greater than the aperture in nose threads hole thus forms retaining step described front end pilot hole with nose threads hole; Further, the coaxial and aperture of rear end pilot hole is greater than the aperture of rear end screwed hole thus forms retaining step described rear end pilot hole with rear end screwed hole.
Another kind of the present invention has the angular milling head of double pitch worm worm-drive backlash eliminating equipment, comprise angular milling headstock and milling head body, described angular milling headstock by angular milling headstock guiding driving mechanism be arranged on a driving member front end and can around the first reference axis bidirectional swinging under the maintenance of this angular milling headstock guiding driving mechanism, described milling head body is arranged on by milling head body guiding driving mechanism also can around the second reference axis bidirectional swinging perpendicular to the first reference axis under the maintenance of this milling head body guiding driving mechanism on angular milling headstock, described angular milling headstock guiding driving mechanism have employed double pitch worm worm-drive backlash eliminating equipment, this double pitch worm worm-drive backlash eliminating equipment comprises installation double pitch worm worm gear in the enclosure, double pitch worm is wherein positioned in shell via front end rotary support assembly and rear end rotary support assembly, the engagement that corresponding worm gear is correct with it also keeps the centre-to-centre spacing of setting, described worm gear drives angular milling headstock to swing around the first reference axis by the power transmission shaft connected with this worm gear propeller boss, described double pitch worm is provided with driven gear between its helical tooth and front end rotary support assembly, this driven gear engages with the driving gear driven by the servomotor being arranged on double pitch worm side, described front end rotary support assembly comprises front end sleeve barrier part, the inner hole wall of this front end sleeve barrier part forms front end pilot hole and nose threads hole from inside to outside respectively, be arranged on also axial sliding fit with it in this front end pilot hole with the close-fitting front end bearing in the leading section of double pitch worm, the front end adjusting screw(rod) connected with nose threads hole adaptation axially presses cycle surface outside front end bearing from outside to inside, described rear end rotary support assembly comprises rear end sleeve member, the inner hole wall of this rear end sleeve member forms rear end pilot hole and rear end screwed hole from inside to outside respectively, be arranged on also axial sliding fit with it in this rear end pilot hole with the close-fitting rear end bearing of the rearward end of double pitch worm, the rear end adjusting screw(rod) connected with rear end screwed hole adaptation axially presses cycle surface outside rear end bearing from outside to inside.
Further, described milling head body guiding driving mechanism have employed double pitch worm worm-drive backlash eliminating equipment, this double pitch worm worm-drive backlash eliminating equipment comprises installation double pitch worm worm gear in the enclosure, double pitch worm is wherein positioned in shell via front end rotary support assembly and rear end rotary support assembly, the engagement that corresponding worm gear is correct with it also keeps the centre-to-centre spacing of setting, described worm gear drives milling head body to swing around described second reference axis by the power transmission shaft connected with this worm gear propeller boss, described double pitch worm is provided with driven gear between its helical tooth and front end rotary support assembly, this driven gear engages with the driving gear driven by the servomotor being arranged on double pitch worm side, described front end rotary support assembly comprises front end sleeve barrier part, the inner hole wall of this front end sleeve barrier part forms front end pilot hole and nose threads hole from inside to outside respectively, be arranged on also axial sliding fit with it in this front end pilot hole with the close-fitting front end bearing in the leading section of double pitch worm, the front end adjusting screw(rod) connected with nose threads hole adaptation axially presses cycle surface outside front end bearing from outside to inside, described rear end rotary support assembly comprises rear end sleeve member, the inner hole wall of this rear end sleeve member forms rear end pilot hole and rear end screwed hole from inside to outside respectively, be arranged on also axial sliding fit with it in this rear end pilot hole with the close-fitting rear end bearing of the rearward end of double pitch worm, the rear end adjusting screw(rod) connected with rear end screwed hole adaptation axially presses cycle surface outside rear end bearing from outside to inside.
In addition, in angular milling headstock guiding driving mechanism and milling head body guiding driving mechanism, the coaxial and aperture of front end pilot hole is greater than the aperture in nose threads hole thus forms retaining step described front end pilot hole with nose threads hole; Further, the coaxial and aperture of rear end pilot hole is greater than the aperture of rear end screwed hole thus forms retaining step described rear end pilot hole with rear end screwed hole.
Below in conjunction with the drawings and specific embodiments, the present invention is described further.The aspect that the present invention adds and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the structural representation of the three-dimensional soft model cutting forming machine of the present invention.
Fig. 2 is the structural representation of double pitch worm worm-drive backlash eliminating equipment in the three-dimensional soft model cutting forming machine of the present invention.
Fig. 3 is the working state schematic representation of the three-dimensional soft model cutting forming method of the present invention.
Fig. 4 is the structural representation of the three-dimensional soft model cutting forming machine central post of the present invention.
Fig. 5 is the structural representation of movable cantilever in the three-dimensional soft model cutting forming machine of the present invention.
Detailed description of the invention
As shown in Figure 1, three-dimensional soft model cutting forming machine comprises: base 1; Column 2, column 2 is arranged on base 1 by the first guiding driving mechanism and also can moves back and forth along horizontal X axle a under the maintenance of this first guiding driving mechanism; Cantilever mounted 3, described cantilever mounted 3 is arranged on column 2 by the second guiding driving mechanism and also can moves back and forth along vertical Z axis c under the maintenance of this second guiding driving mechanism; Movable cantilever 4, described movable cantilever 4 is arranged in cantilever mounted 3 by the 3rd guiding driving mechanism and also can moves back and forth along horizontal Y-axis b under the maintenance of the 3rd guiding driving mechanism; Angular milling headstock 5, described angular milling headstock 5 by the 4th guiding driving mechanism be arranged on movable cantilever 4 front end and can around the first reference axis d bidirectional swinging parallel with horizontal Y-axis b under the maintenance of the 4th guiding driving mechanism; Milling head body 6, described milling head body 6 is arranged on by the 5th guiding driving mechanism also can around the second reference axis e bidirectional swinging perpendicular to the first reference axis d under the maintenance of the 5th guiding driving mechanism on angular milling headstock 5; If parallel with horizontal X axle a and the milling cutter centre of gyration of milling head body 6 is parallel with the first reference axis d for original state with the second reference axis e, then relative to this original state, angular milling headstock 5 can around the first reference axis d bidirectional swinging within the scope of at least ± 90 °, and milling head body 6 can around the second reference axis e bidirectional swinging within the scope of at least ± 90 °.
Wherein, the first guiding driving machine, the second guiding driving mechanism and the 3rd guiding driving mechanism is translational motion, and concrete implementation is more, usually can adopt rack-and-pinion, lead-screw drive mechanism etc.4th guiding driving machine, the 5th guiding driving mechanism are rotary motion, consider the factors such as the compactedness of structure, preferably adopt worm-and-wheel gear.The intersection point of above-mentioned horizontal X axle a, horizontal Y-axis b and vertically Z axis c is the mechanical coordinate initial point of three-dimensional soft model cutting forming machine, before processing, by operations such as tool settings, the correct relative position demarcating this mechanical coordinate initial point and mould processing benchmark to be processed, the accuracy of guarantee processing.Milling head body 6, for installing milling cutter, with built-in drive motors in milling head body 6, can drive milling cutter to do gyration; According to material soft materials such as () greasy filth, foam, timber or light-duty resin materials of processing, milling cutter rotating speed is generally set as 5000 ~ 10000 revs/min; Milling cutter diameter is generally at 3 ~ 20mm.
As horizontal X axle a, the horizontal Y-axis b shown according to Fig. 1 and vertically Z axis c change in coordinate axis direction (with the forward of horizontal X axle a be front, be reversed after; The forward of horizontal Y-axis b is the right side, is reversed a left side; The forward of vertical Z axis c is upper, be reversed down), due to relative to above-mentioned original state, angular milling headstock 5 can around the first reference axis d bidirectional swinging within the scope of at least ± 90 °, milling head body 6 can around the second reference axis e bidirectional swinging within the scope of at least ± 90 °, therefore, this three-dimensional soft model cutting forming machine can process upper and lower, the forward and backward and left surface of model to be processed in theory in its extreme limit of travel.Certainly, relative to this original state, described angular milling headstock 5 preferably rotates around the first reference axis d Double-directional rotary within the scope of ± 170 °, described milling head body 6 preferably ± 110 ° within the scope of around the second reference axis e bidirectional swinging, thus the range of work of the three-dimensional soft model cutting forming machine one-time positioning of raising further.If increase angular milling headstock 5 and milling head body 6 oscillating stroke further, then can increase the structure complexity of the size of angular milling head part.
As shown in Figure 4, described column 2 have employed the Plate Welding that polylith is provided with loss of weight hole slot and forms and pass through the main body frame except welding stress process, the side of this main body frame comprises left plate 201, right plate 202 and front side board 203, left plate 201 is parallel with right plate 202, be symmetrical arranged and be up-narrow and down-wide right-angled trapezium, this right-angled trapezium upper base and the length ratio of going to the bottom are 0.3 to 0.5, described front side board 203 is vertically mounted between left plate 201 with right plate 202 and both sides and welds with the straight flange of left plate 201 and right plate 202 respectively, left plate 201, the upper end welding upper cross plate 204 of right plate 202 and front side board 203, lower end welding lower cross plate 205, the inner side of main body frame arranges polylith and strengthens transverse slat 206 along short transverse interval, each reinforcement transverse slat 206 respectively with left plate 201, the medial surface of right plate 202 and front side board 203 is welded as a whole, described cantilever mounted 3 is installed on front side board 203 side.As shown in Figure 5, described movable cantilever 4 have employed the Plate Welding that polylith is provided with loss of weight hole slot and forms and pass through the main body frame except welding stress process, the side of this main body frame is welded by four blocks of side plates 401 and is formed strip rectangular configuration, the two ends welded end plate 402 respectively of this strip rectangular configuration.The main body frame of above-mentioned column 2 and movable cantilever 4 has lightweight but that rigidity is very high feature, is not just in time suitable for being applied in this cutting force of three-dimensional soft model cutting forming machine high but on the type having degree of precision to require.
As shown in Figure 2, described 4th guiding driving mechanism have employed double pitch worm worm-drive backlash eliminating equipment 7, this double pitch worm worm-drive backlash eliminating equipment 7 comprises the double pitch worm worm gear be arranged in shell 701, double pitch worm 702 is wherein positioned in shell 701 via front end rotary support assembly and rear end rotary support assembly, the engagement that corresponding worm gear 703 is correct with it also keeps the centre-to-centre spacing of setting, described worm gear 703 drives angular milling headstock 5 to swing around the first reference axis d by the power transmission shaft connected with this worm gear 703 propeller boss, described double pitch worm 702 is provided with driven gear 704 between its helical tooth and front end rotary support assembly, this driven gear 704 engages with the driving gear 705 driven by the servomotor 706 being arranged on double pitch worm 702 side, described front end rotary support assembly comprises front end sleeve barrier part 706a, the inner hole wall of this front end sleeve barrier part 706a forms front end pilot hole and nose threads hole from inside to outside respectively, be arranged on also axial sliding fit with it in this front end pilot hole with the close-fitting front end bearing 707a in the leading section of double pitch worm 702, the front end adjusting screw(rod) 708a connected with nose threads hole adaptation axially presses cycle surface outside front end bearing 707a from outside to inside, described rear end rotary support assembly comprises rear end sleeve member 706b, the inner hole wall of this rear end sleeve member 706b forms rear end pilot hole and rear end screwed hole from inside to outside respectively, be arranged on also axial sliding fit with it in this rear end pilot hole with the close-fitting rear end bearing 707b of the rearward end of double pitch worm 702, the rear end adjusting screw(rod) 708b connected with rear end screwed hole adaptation axially presses cycle surface outside rear end bearing 707b from outside to inside.Wherein, the coaxial and aperture of front end pilot hole is greater than the aperture in nose threads hole thus forms retaining step 709 described front end pilot hole with nose threads hole; Further, the coaxial and aperture of rear end pilot hole is greater than the aperture of rear end screwed hole thus forms retaining step 709 described rear end pilot hole with rear end screwed hole.
The using method of this double pitch worm worm-drive backlash eliminating equipment 7 is: under normal circumstances, front end rotary support assembly and rear end rotary support assembly apply contrary axial force to double pitch worm 702 respectively, thus keep the axial location of double pitch worm 702, double pitch worm 702 does pure rotation by servomotor 706 through driving gear 705 and driven gear 704 driving, and worm gear 703 rotates thus drives angular milling headstock 5 to swing around the first reference axis d by power transmission shaft; After double pitch worm worm-drive backlash eliminating equipment 7 runs a period of time, double pitch worm worm gear produces backlash, now, by rotating rear end adjusting screw(rod) 708a and rear end adjusting screw(rod) 708b respectively, make front end bearing 707a and rear end bearing 707b axial slip in front end pilot hole and rear end pilot hole respectively, and then drive double pitch worm 702 to move axially, eliminate the backlash of double pitch worm worm gear.Due to described front end pilot hole, the coaxial and aperture of front end pilot hole is greater than the aperture in nose threads hole thus forms retaining step 709 with nose threads hole, coaxial and the aperture of rear end pilot hole is greater than the aperture of rear end screwed hole thus forms retaining step 709 described rear end pilot hole with rear end screwed hole, therefore, carry out axial limiting by retaining step 709 pairs of double pitch worms 702 at two ends, made it can only carry out axial adjustment in the scope of setting.
In like manner, as shown in Figure 2, described 5th guiding driving mechanism also uses double pitch worm worm-drive backlash eliminating equipment 7, this double pitch worm worm-drive backlash eliminating equipment 7 comprises the double pitch worm worm gear be arranged in shell 701, double pitch worm 702 is wherein positioned in shell 701 via front end rotary support assembly and rear end rotary support assembly, the engagement that corresponding worm gear 703 is correct with it also keeps the centre-to-centre spacing of setting, described worm gear 703 drives milling head body 6 to swing around the second reference axis e by the power transmission shaft connected with this worm gear 703 propeller boss, described double pitch worm 702 is provided with driven gear 704 between its helical tooth and front end rotary support assembly, this driven gear 704 engages with the driving gear 705 driven by the servomotor 706 being arranged on double pitch worm 702 side, described front end rotary support assembly comprises front end sleeve barrier part 706a, the inner hole wall of this front end sleeve barrier part 706a forms front end pilot hole and nose threads hole from inside to outside respectively, be arranged on also axial sliding fit with it in this front end pilot hole with the close-fitting front end bearing 707a in the leading section of double pitch worm 702, the front end adjusting screw(rod) 708a connected with nose threads hole adaptation axially presses cycle surface outside front end bearing 707a from outside to inside, described rear end rotary support assembly comprises rear end sleeve member 706b, the inner hole wall of this rear end sleeve member 706b forms rear end pilot hole and rear end screwed hole from inside to outside respectively, be arranged on also axial sliding fit with it in this rear end pilot hole with the close-fitting rear end bearing 707b of the rearward end of double pitch worm 702, the rear end adjusting screw(rod) 708b connected with rear end screwed hole adaptation axially presses cycle surface outside rear end bearing 707b from outside to inside.Wherein, the coaxial and aperture of front end pilot hole is greater than the aperture in nose threads hole thus forms retaining step 709 described front end pilot hole with nose threads hole; Further, the coaxial and aperture of rear end pilot hole is greater than the aperture of rear end screwed hole thus forms retaining step 709 described rear end pilot hole with rear end screwed hole.
In above-mentioned double pitch worm worm-drive backlash eliminating equipment 7, double pitch worm 702 can also be designed to a kind of assembly.As shown in Figure 2, this assembly comprises worm screw mandrel (in figure non-label), helical tooth cover 702a and positioning shaft sleeve 702b, after helical tooth cover 702a is inserted in this worm screw mandrel from one end of worm screw mandrel, connected with worm screw mandrel propeller boss by key, and helical tooth cover one end of 702a contacts with the shaft shoulder on worm screw mandrel, the other end again with after the end contact of positioning shaft sleeve 702b that is inserted in, the other end of positioning shaft sleeve 702b then with the inner side inner ring end contact of rear end bearing 707b.The key benefit of this design is, what engage with worm gear 703 is only that helical tooth overlaps 702a, when changing separately after helical tooth cover 702a wearing and tearing; The axial installation site of helical tooth cover 702a on worm screw mandrel adjusts by the length changing positioning shaft sleeve 702b.
Based on the soft model cutting forming of three-dimensional above machine, a kind of three-dimensional soft model cutting forming method, its step comprises: one, at the three-dimensional soft model cutting forming machine that the periphery at least two of the soft model of three-dimensional to be processed is above-mentioned; Two, the relative position between each three-dimensional soft model cutting forming machine and the soft mould processing benchmark of three-dimensional to be processed is set up respectively; Three, work out the machining path of each three-dimensional soft model cutting forming machine and determine its machining area, guarantor does not really interfere between three-dimensional soft model cutting forming machine, overlap in their edge between each machining area and machining area adjacent with it; Four, process by the program set above.As the embody rule of the method, as shown in Figure 3, three-dimensional soft model 8 is specially an automobile clay model, a three-dimensional soft model cutting forming machine is furnished with respectively along model length direction in the both sides of this three-dimensional soft model 8, relative to aforementioned initial conditions, described angular milling headstock 5 can rotate around the first reference axis d Double-directional rotary within the scope of ± 170 °, described milling head body 6 around the second reference axis e bidirectional swinging within the scope of ± 110 °, thus disposablely can process the soft model 8 of whole three-dimensional by these two three-dimensional soft model cutting forming machines; These two three-dimensional soft model cutting forming machines cover the machining area of both sides, three-dimensional soft model 8 axis respectively, these two machining areas are only in the coincidence of centre shaft wheel profile place part, thus can avoid to a certain extent occurring seam, do not interfere between three-dimensional soft model cutting forming machine, wherein process in mode from front to back for one, another is processed in mode from back to front; Two three-dimensional soft model cutting forming machines can carry out aim at tool operation respectively, but the preferably relative position of equipment calibration two three-dimensional soft model cutting forming machines such as prior laser tracker, then only tool setting is carried out with a three-dimensional soft model cutting forming machine, the coordinate of two three-dimensional soft model cutting forming machines can be unified so more accurately, make the machining benchmark of two equipment more consistent.
Claims (5)
1. there is the angular milling head of double pitch worm worm-drive backlash eliminating equipment, comprise angular milling headstock (5) and milling head body (6), described milling head body (6) is arranged on angular milling headstock (5) by guiding driving mechanism above also can around a reference axis bidirectional swinging under the maintenance of this guiding driving mechanism, it is characterized in that: described guiding driving mechanism have employed double pitch worm worm-drive backlash eliminating equipment (7), this double pitch worm worm-drive backlash eliminating equipment (7) comprises the double pitch worm worm gear be arranged in shell (701), double pitch worm (702) is wherein positioned in shell (701) via front end rotary support assembly and rear end rotary support assembly, the engagement that corresponding worm gear (703) is correct with it also keeps the centre-to-centre spacing of setting, described worm gear (703) drives milling head body (6) to swing around described reference axis by the power transmission shaft connected with this worm gear (703) propeller boss, described double pitch worm (702) is provided with driven gear (704) between its helical tooth and front end rotary support assembly, this driven gear (704) engages with the driving gear (705) driven by the servomotor (706) being arranged on double pitch worm (702) side, and
Described front end rotary support assembly comprises front end sleeve barrier part (706a), the inner hole wall of this front end sleeve barrier part (706a) forms front end pilot hole and nose threads hole from inside to outside respectively, be arranged on also axial sliding fit with it in this front end pilot hole with the close-fitting front end bearing (707a) in the leading section of double pitch worm (702), the front end adjusting screw(rod) (708a) connected with nose threads hole adaptation axially presses front end bearing (707a) outside cycle surface from outside to inside; Described rear end rotary support assembly comprises rear end sleeve member (706b), the inner hole wall of this rear end sleeve member (706b) forms rear end pilot hole and rear end screwed hole from inside to outside respectively, be arranged on also axial sliding fit with it in this rear end pilot hole with the close-fitting rear end bearing of rearward end (707b) of double pitch worm (702), the rear end adjusting screw(rod) (708b) connected with rear end screwed hole adaptation axially presses rear end bearing (707b) outside cycle surface from outside to inside.
2. there is the angular milling head of double pitch worm worm-drive backlash eliminating equipment as claimed in claim 1, it is characterized in that: the coaxial and aperture of front end pilot hole is greater than the aperture in nose threads hole thus forms retaining step (709) described front end pilot hole with nose threads hole; Further, the coaxial and aperture of rear end pilot hole is greater than the aperture of rear end screwed hole thus forms retaining step (709) described rear end pilot hole with rear end screwed hole.
3. there is the angular milling head of double pitch worm worm-drive backlash eliminating equipment, comprise angular milling headstock (5) and milling head body (6), described angular milling headstock (5) by angular milling headstock guiding driving mechanism be arranged on a driving member front end and can around the first reference axis (d) bidirectional swinging under the maintenance of this angular milling headstock guiding driving mechanism, described milling head body (6) is arranged on angular milling headstock (5) by milling head body guiding driving mechanism above also can around the second reference axis (e) bidirectional swinging perpendicular to the first reference axis (d) under the maintenance of this milling head body guiding driving mechanism, it is characterized in that: described angular milling headstock guiding driving mechanism have employed double pitch worm worm-drive backlash eliminating equipment (7), this double pitch worm worm-drive backlash eliminating equipment (7) comprises the double pitch worm worm gear be arranged in shell (701), double pitch worm (702) is wherein positioned in shell (701) via front end rotary support assembly and rear end rotary support assembly, the engagement that corresponding worm gear (703) is correct with it also keeps the centre-to-centre spacing of setting, described worm gear (703) drives angular milling headstock (5) to swing around the first reference axis (d) by the power transmission shaft connected with this worm gear (703) propeller boss, described double pitch worm (702) is provided with driven gear (704) between its helical tooth and front end rotary support assembly, this driven gear (704) engages with the driving gear (705) driven by the servomotor (706) being arranged on double pitch worm (702) side, and
Described front end rotary support assembly comprises front end sleeve barrier part (706a), the inner hole wall of this front end sleeve barrier part (706a) forms front end pilot hole and nose threads hole from inside to outside respectively, be arranged on also axial sliding fit with it in this front end pilot hole with the close-fitting front end bearing (707a) in the leading section of double pitch worm (702), the front end adjusting screw(rod) (708a) connected with nose threads hole adaptation axially presses front end bearing (707a) outside cycle surface from outside to inside; Described rear end rotary support assembly comprises rear end sleeve member (706b), the inner hole wall of this rear end sleeve member (706b) forms rear end pilot hole and rear end screwed hole from inside to outside respectively, be arranged on also axial sliding fit with it in this rear end pilot hole with the close-fitting rear end bearing of rearward end (707b) of double pitch worm (702), the rear end adjusting screw(rod) (708b) connected with rear end screwed hole adaptation axially presses rear end bearing (707b) outside cycle surface from outside to inside.
4. there is the angular milling head of double pitch worm worm-drive backlash eliminating equipment as claimed in claim 3, it is characterized in that: described milling head body guiding driving mechanism have employed double pitch worm worm-drive backlash eliminating equipment (7), this double pitch worm worm-drive backlash eliminating equipment (7) comprises the double pitch worm worm gear be arranged in shell (701), double pitch worm (702) is wherein positioned in shell (701) via front end rotary support assembly and rear end rotary support assembly, the engagement that corresponding worm gear (703) is correct with it also keeps the centre-to-centre spacing of setting, described worm gear (703) drives milling head body (6) to swing around described second reference axis (e) by the power transmission shaft connected with this worm gear (703) propeller boss, described double pitch worm (702) is provided with driven gear (704) between its helical tooth and front end rotary support assembly, this driven gear (704) engages with the driving gear (705) driven by the servomotor (706) being arranged on double pitch worm (702) side, and
Described front end rotary support assembly comprises front end sleeve barrier part (706a), the inner hole wall of this front end sleeve barrier part (706a) forms front end pilot hole and nose threads hole from inside to outside respectively, be arranged on also axial sliding fit with it in this front end pilot hole with the close-fitting front end bearing (707a) in the leading section of double pitch worm (702), the front end adjusting screw(rod) (708a) connected with nose threads hole adaptation axially presses front end bearing (707a) outside cycle surface from outside to inside; Described rear end rotary support assembly comprises rear end sleeve member (706b), the inner hole wall of this rear end sleeve member (706b) forms rear end pilot hole and rear end screwed hole from inside to outside respectively, be arranged on also axial sliding fit with it in this rear end pilot hole with the close-fitting rear end bearing of rearward end (707b) of double pitch worm (702), the rear end adjusting screw(rod) (708b) connected with rear end screwed hole adaptation axially presses rear end bearing (707b) outside cycle surface from outside to inside.
5. the angular milling head with double pitch worm worm-drive backlash eliminating equipment as described in claim 3 or 4, it is characterized in that: in described angular milling headstock guiding driving mechanism and milling head body guiding driving mechanism, the coaxial and aperture of front end pilot hole is greater than the aperture in nose threads hole thus forms retaining step (709) described front end pilot hole with nose threads hole; Further, the coaxial and aperture of rear end pilot hole is greater than the aperture of rear end screwed hole thus forms retaining step (709) described rear end pilot hole with rear end screwed hole.
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| CN105269382B (en) * | 2014-07-07 | 2017-11-14 | 协鸿工业股份有限公司 | It is sleeping ward off toolroom machine can adjust automatically backlash B axle device |
| CN109202510A (en) * | 2018-11-14 | 2019-01-15 | 霍山嘉远智能制造有限公司 | CNC milling machine bidirectional output angular milling head |
| WO2023082267A1 (en) * | 2021-11-15 | 2023-05-19 | 爱佩仪测量设备有限公司 | Linear motor driving device, and oil sludge milling machine using same |
| CN118055830A (en) * | 2021-11-16 | 2024-05-17 | 爱佩仪测量设备有限公司 | Movable oil sludge model milling machine and moving method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201552344U (en) * | 2009-11-24 | 2010-08-18 | 天津市精诚机床制造有限公司 | Transmission anti-backlash device for milling head of numerical-control gear milling machine |
| CN201693393U (en) * | 2010-05-06 | 2011-01-05 | 沈阳峻峰数控设备有限公司 | Special five-shaft linking digital control machine tool for mridian tyre adjustable module |
| CN202356980U (en) * | 2011-11-25 | 2012-08-01 | 佛山市南海中南机械有限公司 | Optional indexing universal milling head with double pendulum shafts |
| CN103213014A (en) * | 2013-04-02 | 2013-07-24 | 山东鲁南机床有限公司 | Dynamic tool turret angular milling head |
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-
2013
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201552344U (en) * | 2009-11-24 | 2010-08-18 | 天津市精诚机床制造有限公司 | Transmission anti-backlash device for milling head of numerical-control gear milling machine |
| CN201693393U (en) * | 2010-05-06 | 2011-01-05 | 沈阳峻峰数控设备有限公司 | Special five-shaft linking digital control machine tool for mridian tyre adjustable module |
| CN202356980U (en) * | 2011-11-25 | 2012-08-01 | 佛山市南海中南机械有限公司 | Optional indexing universal milling head with double pendulum shafts |
| CN103213014A (en) * | 2013-04-02 | 2013-07-24 | 山东鲁南机床有限公司 | Dynamic tool turret angular milling head |
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Address after: 610000 Chengdu Economic and Technological Development Zone (Longquanyi District) 333 South Road, Sichuan Province Patentee after: Aipei Instrument Measuring Equipment Co., Ltd. Address before: 610101 South Road 333, Chengdu Economic Development Zone, Longquanyi District, Chengdu City, Sichuan Province Patentee before: A-pex instrument measuring precision instruments Co. Ltd. (Chengdu) |