CN115647827A - Ball nut machining device and machining method - Google Patents
Ball nut machining device and machining method Download PDFInfo
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- CN115647827A CN115647827A CN202211651947.XA CN202211651947A CN115647827A CN 115647827 A CN115647827 A CN 115647827A CN 202211651947 A CN202211651947 A CN 202211651947A CN 115647827 A CN115647827 A CN 115647827A
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- 238000003754 machining Methods 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 19
- 238000003801 milling Methods 0.000 claims abstract description 63
- 238000007514 turning Methods 0.000 claims abstract description 38
- 230000008569 process Effects 0.000 claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims description 39
- 238000000227 grinding Methods 0.000 claims description 7
- 230000008878 coupling Effects 0.000 claims description 5
- 238000010168 coupling process Methods 0.000 claims description 5
- 238000005859 coupling reaction Methods 0.000 claims description 5
- 238000009825 accumulation Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000003672 processing method Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000005498 polishing Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model provides a ball nut processingequipment and processing method relates to ball nut processing technology field, and ball nut processingequipment includes first chuck, sword tower and sword tower fixing base, is provided with the jack catch on the first chuck, and the jack catch is used for the fixed ball nut of treating processing, and the sword tower is including milling subassembly and lathe tool subassembly, and the sword tower rotationally sets up on the sword tower fixing base, so that the sword tower selectively switches between primary importance and secondary importance, selects milling subassembly or lathe tool subassembly to treat processing ball nut and process, thereby can treat on the basis of not changing the clamping machine tool, treat processing ball nut and carry out finish turning and milling operation respectively, once treat processing ball nut, can accomplish two kinds of manufacturing procedure, easy operation has just avoided because of the error accumulation that the clamping brought, has improved ball nut's machining precision.
Description
Technical Field
The application relates to the technical field of ball nut processing, in particular to a ball nut processing device and a ball nut processing method.
Background
The ball screw nut pair (ball screw pair for short) is a transmission device which interconverts rotary motion and linear motion, and comprises a ball screw and a ball nut, wherein both the ball screw and the ball nut are provided with spiral grooves, and balls serving as transmission elements are arranged in the spiral grooves.
At present, in the production process of the ball nut, the ball nut needs to be subjected to machining, milling and polishing. Firstly, a ball nut blank needs to be roughly machined by using a lathe, then the ball nut is subjected to heat treatment, the material property of the ball nut is changed, the strength, the wear resistance and the corrosion resistance are improved, then the outer surface and the end surface of the ball nut are finely machined by using the lathe, finally, a ball screw channel is polished by using a grinding wheel, and finally, the ball nut is machined.
However, in the prior art, after finishing the outer surface of the ball nut and polishing the ball screw path, the final machining precision of the ball nut cannot be ensured.
Disclosure of Invention
The application provides a ball nut machining device and a ball nut machining method, which aim to solve the technical problem that machining precision cannot be guaranteed when a ball nut is machined in the prior art.
In a first aspect, the present application provides a ball nut processing apparatus, comprising:
a machine tool body;
a main shaft arranged on the machine tool body,
the motor is connected with one end of the main shaft so as to drive the main shaft to rotate;
the first chuck is fixedly sleeved on the main shaft, and jaws of the first chuck are used for fixing the ball nut;
the tool turret comprises a milling component and a turning tool component, the tool turret is rotatably arranged on a tool turret fixing seat so as to be selectively switched between a first position and a second position, the milling component is close to the clamping jaw to polish the screw channel of the ball nut when the tool turret is located at the first position, and the turning tool component is close to the clamping jaw to machine the surface of the ball nut when the tool turret is located at the second position;
the tool turret fixing seat is arranged on the upper surface of the machine tool body in a sliding mode so as to drive the tool turret to move close to or far away from the clamping jaw.
Optionally, the turret further comprises an assembly mounting plate, the milling assembly and the turning tool assembly are fixed on the assembly mounting plate, the assembly mounting plate is rotatably arranged on the turret fixing seat, and the milling assembly and the turning tool assembly are adjusted through the assembly mounting plate.
Optionally, the milling assembly comprises a milling motor, the milling motor is fixedly mounted on the assembly mounting plate, a hollow cutter bar is fixedly mounted on one side of the milling motor, one end of the hollow cutter bar is fixedly connected with one side of the milling motor with an output shaft, and a tool mounting seat is arranged at the other end of the hollow cutter bar and used for mounting a machining tool;
a first transmission shaft and a second transmission shaft are sequentially arranged in the hollow cutter bar along the direction far away from the tool mounting seat, one end of the first transmission shaft is connected with one end of the second transmission shaft through a universal coupling,
the other end of the second transmission shaft is connected with the milling motor, and the other end of the first transmission shaft penetrates through the tool mounting seat and is connected with the machining tool; the second transmission shaft is used for driving the machining tool to machine the ball nut through the first transmission shaft when the tool turret is located at the first position.
Optionally, the lathe tool subassembly includes lathe tool and lathe tool fixing base, lathe tool fixed mounting be in on the lathe tool fixing base, lathe tool fixing base fixed mounting be in on the subassembly mounting panel, the last projected the central axis of lathe tool fixing base with the last projected the central axis coincidence of milling motor or perpendicular, the orientation of lathe tool with the orientation of the output shaft of milling motor is opposite or perpendicular, the lathe tool with the center of chuck is located same height, and is right ball nut processes.
Optionally, the tool turret fixing base still includes the slider, be provided with the forked tail lug on the tool turret fixing base the slider cooperation is installed on the forked tail lug, the slider have with forked tail lug complex dovetail, the subassembly mounting panel sets up on the slider, the slider is followed the forked tail lug slides, thereby drives the removal of subassembly mounting panel is adjusted the position of lathe tool.
Optionally, the tool rest comprises a first driving assembly, the first driving assembly comprises a first driving motor and a first lead screw, the first driving motor is fixed to the side edge of the machine tool body, the first lead screw is arranged on the side edge of the machine tool body, the first lead screw is connected with the tool rest fixing seat in a matching mode, and an output shaft of the first driving motor is fixedly connected with the first lead screw so as to drive the first lead screw to drive the tool rest fixing seat to move along the upper surface of the machine tool body.
Optionally, the tool rest further comprises a guide rail, the guide rail is arranged on the upper surface of the machine tool body along the length direction of the machine tool body, and the tool rest fixing seat is installed on the guide rail in a matched mode, so that the tool rest fixing seat is close to or far away from the clamping jaw to move.
Optionally, the machining tool is a milling cutter or a grinding wheel to machine the ball nut.
Optionally, the fixture further comprises a second fixing assembly and a second driving assembly, the second fixing assembly is slidably disposed on the upper surface of the machine tool body and is opposite to the first chuck in position, the second driving assembly is disposed on the side surface of the machine tool body, the second driving assembly drives the second fixing assembly to move along the machine tool body, the second fixing assembly comprises a second chuck or a tip, and the center of the second chuck or the tip is located at the same height as the center of the first chuck so as to cooperate with the first chuck to fix the workpiece.
In a second aspect, the present application provides a ball nut machining method for machining a ball nut using the ball nut machining apparatus according to the first aspect, including:
fixing a ball nut on a first chuck of the ball nut processing device;
machining the outer surface of the ball nut by using a turning tool of the ball nut machining device;
rotating a tool turret of the ball nut machining device to enable a milling component of the tool turret to be close to the ball nut;
and machining the ball screw channel of the ball nut by using the milling assembly.
The application provides a ball nut processingequipment and processing method, ball nut processingequipment include first chuck, sword tower and sword tower fixing base, are provided with the jack catch on the first chuck, and the jack catch is used for fixed ball nut of treating processing, and the sword tower is including milling subassembly and lathe tool subassembly, and the rotatable setting of sword tower is on the sword tower fixing base, so that the sword tower selectively switches between primary importance and second place, selects milling subassembly or lathe tool subassembly to treat ball nut and processes to can treat on the basis of not changing the machine tool that ball nut of processing carries out finish turning respectively and mill the operation, and ball nut is treated to process to a clamping, can accomplish two kinds of manufacturing procedure, and easy operation has just avoided the error accumulation because of the clamping brings, has improved the machining precision of treating ball nut.
Drawings
Fig. 1 is a schematic view of an assembly of a ball nut processing apparatus according to an embodiment of the present disclosure;
fig. 2 is a schematic view of another angle of an assembly of the ball nut machining apparatus according to the embodiment of the present application;
fig. 3 is a front view of a ball nut machining apparatus provided in an embodiment of the present application;
fig. 4 is a top view of a ball nut processing apparatus provided in an embodiment of the present application;
FIG. 5 is a top view of the turning tool assembly of the ball nut machining apparatus according to the embodiment of the present application during operation
Fig. 6 is a schematic view of a turret and turret fixing base provided in an embodiment of the present application after being assembled;
fig. 7 is an enlarged schematic view of a partial structure of a ball nut processing apparatus according to an embodiment of the present application when processing a ball screw path;
description of the reference numerals:
100-machine tool bed body; 200-a spindle motor; 300-main shaft box body; 400-a first chuck; 500-a turret; 600-a second stationary component; 700-a second fixed seat; 800-a first drive assembly; 900-a second drive assembly; 1000-turret fixing seat; 1100-main shaft; 1200-a guide rail;
510-milling the assembly; 520-a lathe tool assembly; 610-a second chuck; 810-a first drive motor; 820-a first lead screw; 910-a second drive motor; 920-a second lead screw; 1010-dovetail tabs; 1020-slider
511-tool mounting; 512-grinding wheel; 513-a hollow cutter bar; 514-connecting flange; 515-milling the motor;
516-a second drive shaft; 517-universal coupling; 518-a bearing; 519-a first transmission shaft; 5110-component mounting plate; 521-turning tool; 522-turning tool fixing seat;
511 a-dovetail groove;
a-a first position; b-second position.
Detailed Description
In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the embodiments of the present application, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and encompass, for example, both fixed and removable connections or integral parts thereof; may be a mechanical connection; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
At present, in the ball nut production process, the ball nut needs to be subjected to machining, milling and polishing. Firstly, a ball nut blank needs to be roughly machined by using a lathe, then the ball nut is subjected to heat treatment, the material property of the ball nut is changed, the strength, the wear resistance and the corrosion resistance are improved, then the outer surface and the end surface of the ball nut are finely machined by using the lathe, finally, a ball screw channel is polished by using a grinding wheel, and finally, the ball nut is machined. At ball nut surface and terminal surface finish machining and the ball screw way in-process of polishing, need change the processing equipment many times, clamping work piece all need through the alignment of beating the table at every turn, complex operation just can lead to the error accumulation to can't guarantee the machining precision.
In order to solve the above problems, the present application provides a ball nut machining apparatus and a ball nut machining method, which simplify machining operations and improve machining accuracy of a ball nut.
Fig. 1 is a schematic structural diagram of an assembly of a ball nut processing apparatus provided in an embodiment of the present application, fig. 2 is a schematic structural diagram of another angle of the assembly of the ball nut processing apparatus provided in the embodiment of the present application, fig. 3 is a front view of the ball nut processing apparatus provided in the embodiment of the present application, fig. 4 is a top view of the ball nut processing apparatus provided in the embodiment of the present application, and fig. 5 is a top view of a turning tool assembly of the ball nut processing apparatus provided in the embodiment of the present application during operation.
Referring to fig. 1 to 5, an embodiment of the present application provides a ball nut processing apparatus, including a machine tool bed 100, a spindle 1100, a spindle headstock 300, a spindle motor 200, a first chuck 400, a turret 500, and a turret fixing seat 1000, where the machine tool bed 100 is a main structure of the ball nut processing apparatus and is used for carrying other processing components; the spindle 1100 is disposed on the lathe bed 100.
In some examples, the spindle box 300 is fixed on the upper surface of the machine tool bed 100 and close to the end surface of the machine tool bed 100 for supporting the spindle 1100, the spindle 1100 is inserted into the spindle box 300, the installed spindle 1100 extends along the length direction of the machine tool bed 100, the spindle motor 200 is fixed on the machine tool bed 100, and the spindle motor 200 is connected with one end of the spindle 1100 through a transmission member, so that the spindle motor 200 drives the spindle 1100 to rotate.
Wherein, the spindle motor 200 is fixed on the end surface of the machine tool body 100 to be conveniently connected with the spindle 1100; the spindle motor 200 is connected to one end of the spindle 1100 through a pulley and a belt, so that the spindle motor 200 provides power for the rotation of the spindle 1100. The fixed cover of the other end of main shaft 1100 is equipped with first chuck 400, has the jack catch on first chuck 400, and the jack catch is fixed ball nut on first chuck 400 to make main shaft 1100 drive ball nut and rotate, conveniently process this ball nut.
The turret 500 is rotatably mounted on the turret fixing seat 1000, and the turret fixing seat 1000 is slidably disposed on the upper surface of the machine tool body 100, so that the turret fixing seat 1000 drives the turret 500 to move toward a direction close to or away from a jaw, so as to process a ball nut.
Fig. 6 is a schematic view of the turret and the turret fixing base after being assembled according to the embodiment of the present disclosure, and referring to fig. 2, 5 and 6, the turret 500 includes a milling assembly 510 and a turning tool assembly 520, the milling assembly 510 may process a screw path of the ball nut, and the turning tool assembly 520 may be used to finish an outer surface of the ball nut. In some examples, the turret 500 is in the first position a when the milling assembly 510 of the turret 500 is adjacent to a ball nut to machine it and the turret 500 is in the second position B when the turning tool assembly 520 of the turret 500 is adjacent to a ball nut to machine it. The turret 500 is rotatably disposed on the turret fixing base 1000, so that the turret 500 can be selectively switched between a first position a and a second position B according to a machining process for the ball nut, that is, when the turret 500 is located at the first position a, the milling assembly 510 of the turret 500 is close to the ball nut fixed by the jaws, a screw channel of the ball nut is ground, and when the turret 500 is located at the second position B, the turning tool assembly 520 of the turret 500 is close to the ball nut fixed by the jaws, and the surface of the ball nut is machined. In other examples, the milling assembly 510 of the turret 500 may be used to machine the end face of the ball nut after replacing the machining tool 512.
This application embodiment is through with the rotatable setting of turret 500 on turret fixing base 1000, so that turret 500 selectively switches between primary importance A and secondary importance B, and the ball nut that treats processing is treated to the selection milling subassembly 510 or lathe tool subassembly 520, thereby can treat on the basis of not changing the machine tool, treat that ball nut carries out finish turning processing and milling operation respectively, ball nut is treated processing to the clamping of once, can accomplish two kinds of manufacturing procedure, easy operation has just avoided because of the error accumulation that the clamping brought, the machining precision of ball nut that treats processing has been improved.
With continued reference to fig. 6, the turret 500 further includes a unit mounting plate 5110, and the milling unit 510 and the turning tool unit 520 are both fixed to the unit mounting plate 5110, in other words, the turret 500 is fixed to the unit mounting plate 5110, and the unit mounting plate 5110 is rotatably disposed on the turret holder 1000, so as to adjust the positions of the milling unit 510 and the turning tool unit 520 by rotating the unit mounting plate 5110.
In some examples, the component mounting plate 5110 may be fixed to the turret fixing seat 1000 by bolts, and in other examples, the component mounting plate 5110 may be fixed to the turret fixing seat 1000 by a manner that a limiting pin is matched with a limiting hole, so as to facilitate rotation of the component mounting plate 5110; when the positions of the milling assembly 510 and the turning tool assembly 520 need to be adjusted, the lower bolt is detached, the assembly mounting plate 5110 is rotated by a certain angle, and then the assembly mounting plate 5110 is fixed on the turret fixing seat 1000 by the bolt, so that the switching between the first position and the second position of the turret 500 is completed.
In other examples, the component mounting plate 5110 is mounted on the turret fixing base 1000 by a rotatable component such as a motor, and the motor is controlled to rotate, so that the component mounting plate 5110 is controlled to rotate, and the switching between the first position a and the second position B of the turret 500 is completed.
With continued reference to fig. 6 and 7, the milling assembly 510 of the turret 500 includes a milling motor 515, a hollow cutter bar 513, a tool mounting base 511, a processing tool 512, a first transmission shaft 519, a second transmission shaft 516 and a universal coupling 517, the milling motor 515 is fixedly mounted on the assembly mounting plate 5110, one side of the milling motor 515 is fixedly mounted with the hollow cutter bar 513, one end of the hollow cutter bar 513 is fixedly mounted on one side of the milling motor 515 having an output shaft through a connecting flange 514, the other end of the hollow cutter bar 513 is fixedly provided with the tool mounting base 511, the hollow cutter bar 513 is used for supporting the tool mounting base 511, and the tool mounting base 511 is used for mounting the processing tool 512. A first transmission shaft 519 and a second transmission shaft 516 are arranged in the hollow cutter bar 513, and the first transmission shaft 519 and the second transmission shaft 516 are sequentially arranged along the direction far away from the tool mounting base 511. Wherein the one end of first transmission shaft 519 is connected with the one end of second transmission shaft 516 through universal joint 517, the other end of first transmission shaft 519 wears to establish and installs in instrument mount pad 511 through the cooperation of bearing 518, the other end and the processing tool 512 of first transmission shaft 519 are connected, the other end of second transmission shaft 516 and the output shaft fixed connection of milling motor 515, when turret 500 is located the first position, second transmission shaft 516 and first transmission shaft 519 drive processing tool 512 and process the ball nut, mill motor 515 passes through second transmission shaft 516 and first transmission shaft 519 and drives processing tool 512 and process the ball nut promptly.
It will be appreciated that since the ball nut has its raceway inclined at an angle relative to the end face of the ball nut, the machining tool 512 and the tool mounting block 511 are inclined at the same angle as the ball nut raceway so that the machining tool 512 can machine the ball nut raceway, and the milling motor 515 is connected to the machining tool 512 via a first drive shaft 519 and a second drive shaft 516 so that the milling motor 515 can drive the machining tool 512 to rotate. The second transmission shaft 516 is connected to the first transmission shaft 519 via a universal joint 517 to change the transmission direction, so as to drive the processing tool 512 to rotate with a certain inclination angle relative to the second transmission shaft 516. In some examples, the axis of the tool mount 511 is at an angle to the axis of the hollow shank 513, which may be determined based on the lead angle of the ball nut being machined.
Continuing to refer to fig. 6, the turning tool assembly 520 includes a turning tool 521 and a turning tool fixing seat 522, wherein the turning tool 521 performs finish machining on the surface of the ball nut, the turning tool 521 is fixedly installed on the turning tool fixing seat 522, the turning tool fixing seat 522 is fixedly installed on the assembly mounting plate 5110, the upward projected central axis of the turning tool fixing seat 522 and the turning tool 521 coincides with the upward projected central axis of the milling motor 515, the orientation of the turning tool 521 is opposite to the orientation of the output shaft of the milling motor 515, and the turning tool 521 and the center of the first chuck 400 are located at the same height to machine the ball nut. In some examples, the lathe tool 521 is fixed to the lathe tool fixing base 522 by a bolt, and the lathe tool fixing base 522 is fixed to the assembly mounting plate 5110 by a bolt.
Continuing to refer to fig. 3, the turret fixing base 1000 further includes a sliding block 1020, the turret fixing base 1000 is provided with a dovetail projection 1010, the dovetail projection 1010 is perpendicular to the moving direction of the turret fixing base 1000, the sliding block 1020 is cooperatively arranged on the dovetail projection 1010, a dovetail groove 511a matched with the dovetail projection 1010 is formed in the sliding block 1020, the assembly mounting plate 5110 is detachably arranged on the sliding block 1020 through a bolt, when the turret 500 needs to be switched between the first position a and the second position B, the assembly mounting plate 5110 is detached from the sliding block 1020, and after the position of the turret 500 is adjusted, the turret is fixed again through the bolt. In other examples, the assembly mounting plate 5110 may be set on the slider 1020 by a turntable and the position of the assembly mounting plate 5110 is restricted using a locating pin and a locating hole to machine the ball nut. In other examples, the assembly mounting plate 5110 is mounted on the slider 1020 by a rotatable assembly such as a motor, and the motor is controlled to rotate, so that the assembly mounting plate 5110 is controlled to rotate, and the switch between the first position a and the second position B of the turret 500 is completed, which is prior art and will not be described herein again.
The dovetail projection 1010 of the turret fixing seat 1000 can not only enable the sliding block 1020 to move along the turret fixing seat 1000, but also prevent the sliding block 1020 from being separated from the turret fixing seat 1000; in some examples, the slider 1020 is fixed to the turret fixing base 1000 by tightening a bolt or a limit pin after the slider 1020 moves, so as to prevent the slider 1020 from moving along the dovetail protrusion 1010 of the turret fixing base 1000 during the ball nut machining process.
With continued reference to fig. 2, the ball nut machining apparatus further includes a first driving assembly 800, the first driving assembly 800 being disposed at a side of the machine tool bed 100. The first driving assembly 800 comprises a first driving motor 810 and a first lead screw 820, the first driving motor 810 is installed on the side surface of the machine tool body 100, the first lead screw 820 is rotatably arranged on the side surface of the machine tool body 100 through a bearing, and an output shaft of the first driving motor 810 is fixedly connected with the first lead screw 820 through a coupler, so that the first driving motor 810 drives the first lead screw 820 to rotate; a nut matched with the first lead screw 820 is arranged on the turret fixing seat 1000, so that the first lead screw 820 and the turret fixing seat 1000 are matched and connected together; an output shaft of the first driving motor 810 is fixedly connected to the first lead screw 820, the first driving motor 810 drives the first lead screw 820 to rotate, and the first lead screw 820 drives the turret fixing seat 1000 to move along the upper surface of the machine tool body 100.
With continued reference to fig. 2, the ball nut machining apparatus may further include a guide rail 1200, the guide rail 1200 is disposed on an upper surface of the machine tool body 100 along a length direction of the machine tool body 100, and the turret fixing base 1000 is fittingly installed on the guide rail 1200, so that the turret fixing base 1000 moves along the machine tool body 100 to be close to or far from the jaws of the first chuck 400 to machine the ball nuts fixed by the jaws.
In some examples, the machining tool 512 may be a milling cutter or a grinding wheel to machine the thread or end face of the ball nut.
With continued reference to fig. 1 and 2, the ball nut machining apparatus further includes a second fixing assembly 600 and a second driving assembly 900, wherein the second fixing assembly 600 cooperates with the first chuck 400 to fix a long workpiece, thereby facilitating the machining of the workpiece; the second fixing assembly 600 is slidably arranged on the upper surface of the lathe body 100, the second fixing assembly 600 comprises a second chuck 610 or a tip, the position of the second chuck 610 or the tip is opposite to the position of the first chuck 400, and the center of the second chuck 610 or the tip is located at the same height as the center of the first chuck 400 so as to be matched with the first chuck 400 to fix a workpiece; a second driving assembly 900 is disposed at the side of the machine tool bed 100, and the second driving assembly 900 drives the second fixing assembly 600 to move along the guide rail 1200 on the upper surface of the machine tool bed 100.
In some examples, the second driving assembly 900 includes a second driving motor 910 and a second lead screw 920, the second lead screw 920 is rotatably disposed on a side surface of the machine tool body 100 through a bearing, the second driving motor 910 is disposed on the side surface of the machine tool body 100, and an output shaft of the second driving motor 910 is fixedly connected to the second lead screw 920 through a coupling to drive the second lead screw 920 to rotate. The second fixing member 600 has a nut at a side thereof to be engaged with the second screw 920, so that the second fixing member 600 is engaged with the second screw 920. The second driving motor 910 drives the second lead screw 920 to rotate, and the second lead screw 920 drives the second fixing assembly 600 to move along the upper surface of the machine tool body 100.
The present application also provides a ball nut processing method, in which a ball nut processing apparatus is used to process a ball nut, the ball nut is firstly fixed on a first chuck 400 of the ball nut processing apparatus, and then a turning tool 521 of the ball nut processing apparatus is used to finish-machine the outer surface of the ball nut.
After the finish turning of the outer surface of the ball nut is finished, rotating a turret 500 of the ball nut processing device to enable a milling component 510 of the turret 500 to be close to the ball nut, and finally, grinding a ball screw channel of the ball nut by using the milling component 510; specifically, a ball screw channel of a ball nut is polished by linkage of a machine tool spindle, a tool turret fixing seat and a milling assembly; finally, the processing of the appearance and the internal ball screw channel of the ball nut is finished on the premise of not replacing processing equipment, so that the error accumulation caused by continuous clamping of the ball nut is avoided, and the higher processing precision is ensured.
It is understood that a person skilled in the art can combine, split, recombine and the like the embodiments of the present application to obtain other embodiments on the basis of several embodiments provided by the present application, and the embodiments do not depart from the scope of the present application.
The above embodiments are only intended to be specific embodiments of the present application, and are not intended to limit the scope of the embodiments of the present application, and any modifications, equivalent substitutions, improvements, and the like made on the basis of the technical solutions of the embodiments of the present application should be included in the scope of the embodiments of the present application.
Claims (10)
1. A ball nut machining device is characterized by comprising:
a machine tool body;
the main shaft is arranged on the machine tool body;
the spindle motor is connected with one end of the spindle to drive the spindle to rotate;
the first chuck is fixedly sleeved on the main shaft, and jaws of the first chuck are used for fixing the ball nut;
the tool turret comprises a milling component and a turning tool component, the tool turret is rotatably arranged on a tool turret fixing seat so as to be selectively switched between a first position and a second position, the milling component is close to the clamping jaw to polish the screw channel of the ball nut when the tool turret is located at the first position, and the turning tool component is close to the clamping jaw to machine the surface of the ball nut when the tool turret is located at the second position;
the tool turret fixing seat is arranged on the upper surface of the machine tool body in a sliding mode so as to drive the tool turret to move close to or far away from the clamping jaw.
2. The ball nut processing apparatus according to claim 1, wherein the turret further includes a component mounting plate, the milling component and the turning tool component are both fixed to the component mounting plate, and the component mounting plate is rotatably disposed on the turret fixing base so as to adjust positions of the milling component and the turning tool component by rotating the component mounting plate.
3. The ball nut machining device according to claim 2, wherein the milling assembly comprises a milling motor, the milling motor is fixedly mounted on the assembly mounting plate, a hollow cutter bar is fixedly mounted on one side of the milling motor, one end of the hollow cutter bar is fixedly connected with one side of the milling motor with an output shaft, and a tool mounting seat is arranged at the other end of the hollow cutter bar and used for mounting a machining tool;
a first transmission shaft and a second transmission shaft are sequentially arranged in the hollow cutter bar along the direction far away from the tool mounting seat, one end of the first transmission shaft is connected with one end of the second transmission shaft through a universal coupling, the other end of the second transmission shaft is connected with the milling motor, and the other end of the first transmission shaft penetrates through the tool mounting seat and is connected with the machining tool; the second transmission shaft is used for driving the machining tool to machine the ball nut through the first transmission shaft when the tool turret is located at the first position.
4. The ball nut processingequipment of claim 2, characterized in that the lathe tool subassembly includes lathe tool and lathe tool fixing base, lathe tool fixed mounting be in on the lathe tool fixing base, lathe tool fixing base fixed mounting be in on the subassembly mounting panel, the central axis of the overhead projection of lathe tool fixing base with the overhead projection of milling motor's the central axis coincidence or perpendicular, the orientation of lathe tool with the orientation of the output shaft of milling motor is opposite or perpendicular, the lathe tool with the center of first chuck is located same height, in order to right ball nut processes.
5. The ball nut processing device according to claim 4, wherein the tool turret fixing base further comprises a slider, a dovetail protrusion is disposed on the tool turret fixing base, the slider is fittingly installed on the dovetail protrusion, the slider has a dovetail groove fitted with the dovetail protrusion, the component mounting plate is disposed on the slider, and the slider slides along the dovetail protrusion to drive the component mounting plate to move, so as to adjust the position of the turning tool.
6. The ball nut machining device according to claim 1, further comprising a first driving assembly, wherein the first driving assembly includes a first driving motor and a first lead screw, the first driving motor is fixed to a side of the machine tool body, the first lead screw is arranged on the side of the machine tool body, the first lead screw is in fit connection with the turret fixing seat, and an output shaft of the first driving motor is fixedly connected with the first lead screw so as to drive the first lead screw to drive the turret fixing seat to move along the upper surface of the machine tool body.
7. The ball nut machining device according to claim 1, further comprising a guide rail, wherein the guide rail is arranged on the upper surface of the machine tool body along the length direction of the machine tool body, and the tool turret fixing seat is installed on the guide rail in a matched mode, so that the tool turret fixing seat can move close to or away from the clamping jaw.
8. The ball nut processing apparatus according to claim 3, wherein said processing tool is a milling cutter or a grinding wheel to process said ball nut.
9. The ball nut machining device according to any one of claims 1 to 8, further comprising a second fixing assembly and a second driving assembly, wherein the second fixing assembly is slidably disposed on the upper surface of the machine tool body and is opposite to the first chuck in position, the second driving assembly is disposed on the side surface of the machine tool body, the second driving assembly drives the second fixing assembly to move along the machine tool body, the second fixing assembly comprises a second chuck or a top tip, and the center of the second chuck or the top tip is located at the same height as the center of the first chuck so as to cooperate with the first chuck to fix a workpiece.
10. A ball nut machining method for machining a ball nut using the ball nut machining apparatus according to any one of claims 1 to 9, comprising:
fixing a ball nut on a first chuck of the ball nut processing device;
machining the outer surface of the ball nut by using a turning tool of the ball nut machining device;
rotating a turret of the ball nut machining device to bring a milling assembly of the turret into proximity with the ball nut;
and machining the ball screw channel of the ball nut by using the milling assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211651947.XA CN115647827A (en) | 2022-12-22 | 2022-12-22 | Ball nut machining device and machining method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211651947.XA CN115647827A (en) | 2022-12-22 | 2022-12-22 | Ball nut machining device and machining method |
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| Publication Number | Publication Date |
|---|---|
| CN115647827A true CN115647827A (en) | 2023-01-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211651947.XA Pending CN115647827A (en) | 2022-12-22 | 2022-12-22 | Ball nut machining device and machining method |
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| CN (1) | CN115647827A (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0446724A (en) * | 1990-06-08 | 1992-02-17 | Hitachi Seiki Co Ltd | Turning machine tool provided with material cut and supply devices |
| CN202668063U (en) * | 2012-07-13 | 2013-01-16 | 湘电集团有限公司 | Rotating shaft grinding and milling processing device |
| CN103170888A (en) * | 2013-03-29 | 2013-06-26 | 上海大学 | Flexible shaft grinding head system of large-lead ball nut grinding and grinding method for machining nut |
| CN205237671U (en) * | 2015-12-09 | 2016-05-18 | 苏州肯美威机械制造有限公司 | Universal unit head is used in machine tooling |
| CN206464828U (en) * | 2017-02-24 | 2017-09-05 | 北京精功达科技有限公司 | A kind of lathe |
| CN207900821U (en) * | 2018-02-06 | 2018-09-25 | 成都科盛石油科技有限公司 | It is a kind of can be to sander that inner wall of the pipe is polished |
| CN210099465U (en) * | 2019-05-24 | 2020-02-21 | 瓦房店恒煜轴承制造有限公司 | Bearing machining lathe with rotary mechanism |
| CN210209389U (en) * | 2019-05-24 | 2020-03-31 | 山东普鲁特机床有限公司 | Turning and grinding integrated machine for internal threads of screw nuts |
| CN212095832U (en) * | 2020-03-23 | 2020-12-08 | 江苏润杨精密制造有限公司 | Burnishing device is used in angularly adjustable machining |
| CN212665420U (en) * | 2020-07-21 | 2021-03-09 | 山西东睦华晟粉末冶金有限公司 | Inner hole turning and grinding integrated machine tool for stainless steel parts |
| CN213531591U (en) * | 2020-11-17 | 2021-06-25 | 苏州钢科五金零部件有限公司 | Integral type nut production facility |
| CN214816461U (en) * | 2021-01-28 | 2021-11-23 | 威海德尔自动化设备有限公司 | Multifunctional special lathe with interchangeable lathe saddle and grinding head |
| CN115179046A (en) * | 2022-08-15 | 2022-10-14 | 广州市敏嘉制造技术有限公司 | Machine tool for machining screw nut of electronic braking system and composite machining process |
-
2022
- 2022-12-22 CN CN202211651947.XA patent/CN115647827A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0446724A (en) * | 1990-06-08 | 1992-02-17 | Hitachi Seiki Co Ltd | Turning machine tool provided with material cut and supply devices |
| CN202668063U (en) * | 2012-07-13 | 2013-01-16 | 湘电集团有限公司 | Rotating shaft grinding and milling processing device |
| CN103170888A (en) * | 2013-03-29 | 2013-06-26 | 上海大学 | Flexible shaft grinding head system of large-lead ball nut grinding and grinding method for machining nut |
| CN205237671U (en) * | 2015-12-09 | 2016-05-18 | 苏州肯美威机械制造有限公司 | Universal unit head is used in machine tooling |
| CN206464828U (en) * | 2017-02-24 | 2017-09-05 | 北京精功达科技有限公司 | A kind of lathe |
| CN207900821U (en) * | 2018-02-06 | 2018-09-25 | 成都科盛石油科技有限公司 | It is a kind of can be to sander that inner wall of the pipe is polished |
| CN210099465U (en) * | 2019-05-24 | 2020-02-21 | 瓦房店恒煜轴承制造有限公司 | Bearing machining lathe with rotary mechanism |
| CN210209389U (en) * | 2019-05-24 | 2020-03-31 | 山东普鲁特机床有限公司 | Turning and grinding integrated machine for internal threads of screw nuts |
| CN212095832U (en) * | 2020-03-23 | 2020-12-08 | 江苏润杨精密制造有限公司 | Burnishing device is used in angularly adjustable machining |
| CN212665420U (en) * | 2020-07-21 | 2021-03-09 | 山西东睦华晟粉末冶金有限公司 | Inner hole turning and grinding integrated machine tool for stainless steel parts |
| CN213531591U (en) * | 2020-11-17 | 2021-06-25 | 苏州钢科五金零部件有限公司 | Integral type nut production facility |
| CN214816461U (en) * | 2021-01-28 | 2021-11-23 | 威海德尔自动化设备有限公司 | Multifunctional special lathe with interchangeable lathe saddle and grinding head |
| CN115179046A (en) * | 2022-08-15 | 2022-10-14 | 广州市敏嘉制造技术有限公司 | Machine tool for machining screw nut of electronic braking system and composite machining process |
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Application publication date: 20230131 |