CN202239953U - Machine tool for processing cutter for precisely processing enveloping worm - Google Patents
Machine tool for processing cutter for precisely processing enveloping worm Download PDFInfo
- Publication number
- CN202239953U CN202239953U CN2011202785906U CN201120278590U CN202239953U CN 202239953 U CN202239953 U CN 202239953U CN 2011202785906 U CN2011202785906 U CN 2011202785906U CN 201120278590 U CN201120278590 U CN 201120278590U CN 202239953 U CN202239953 U CN 202239953U
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- cutter
- planker
- enveloping worm
- lathe
- servomotor
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Abstract
The utility model provides a machine tool for processing a cutter for precisely processing an enveloping worm, which belongs to the technical field of the machine, and solves the problems that when the present machine tool processes the cutter for precisely processing the enveloping worm the processing precision is low, the manufacturing cost is high and the seating time is long. The machine tool comprises a stander, wherein the stander is fixedly connected with a base, the base is provided with a transverse planker, a left planker and a right planker, the transverse planker is provided with a revolving worktable, a cutter holder for holding a cutter is installed on the revolving worktable, a clamping device for clamping a work-piece is arranged between the left and the right plankers, the right planker is provided with a division device which can control the work-piece to rotate in the axial direction, and the revolving worktable is provided with a control mechanism which can control the feeding of the cutter and can adjust the cutter to be parallel to the toothed surface of the work-piece. The machine tool has advantages of high processing precision, low manufacturing cost and short seating time.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of lathe, particularly a kind of lathe that is used to process the enveloping worm finishing tool.
Background technology
The worm and gear transmission is mechanically operated basic part, is to be used for transmitting the motion of space alternating axis and the motion of power, belongs to gear-driven category; Its stable drive, vibration, impact, noise are all very little, and transmission speed ratio is big; Of many uses, be mechanically operated a kind of principal mode.Therefore in addition, in motion transmission, it has the effect to transmission system upper reaches error convergence, except that the transmission that is widely used in being used as power, is the first-selected parts of the accurate circular division of lathe and precision instrument mechanism always.So domestic and international many enginerring works and applying unit are all paid much attention to research, application and development to the worm and gear transmission.
Compare with the common cylinder worm gear; Hourglass worm pair is multiple tooth two-wire contact, flank of tooth induced normal curvature is little, contact stress is little, slide angle is spent (helping the elastohydrodynamic lubrication between the flank of tooth) near 90; Therefore; Bearing capacity is strong, transmission efficiency is high, all has broad application prospects in industries such as metallurgy, chemical industry, machinery, boats and ships, military project, mining, building, lifting transportation, power and light industry and machinery.
Yet the production of hourglass worm pair is restricted with application always, and main cause is that the multiple tooth two-wire contact performance of hourglass worm pair requires the quality of fit between its worm and wheel higher.Certainly, enveloping worm and worm gear respectively via two independently production technology process, worm screw elder generation fly cutting is regrinded and is cut correction of the flank shape, worm gear by hobboing cutter gear hobbing manufacturing.In theory, have only the shape of hobboing cutter and enveloping worm identical, promptly cutter diameter is identical with enveloping worm and when unlimited cutting edge arranged, and just can make enveloping worm pair reach good cooperation.But, if adopt the diameter hobboing cutter identical with enveloping worm and since in the gear hobbing process cutting edge wearing and tearing acutely, the high hobboing cutter of cost is scrapped (1 hobboing cutter even can only process 3～5 worm gears) very soon.Be in the purpose that prolongs the hobboing cutter physical life, people can only let the somewhat larger in diameter of hobboing cutter in the diameter of enveloping worm.On the other hand, the cutting edge of hobboing cutter must be limited, these cutting edges form numerous little helicoids at the worm gear flank of tooth, and therefore, the surface of the worm gear that processes is actually by these minor spiral faces to be formed, and must be rough.Moreover worm gear hob is because the complexity of its structure is processed uniformity and is difficult for assurance, and the worm gear that the hobboing cutter of same size processes is inconsistent.So when the enveloping worm that processes and worm gear were assembled together, what form between the two often was not the two-wire contact, but the some contact.For the contact condition that improves enveloping worm pair, improve quality of fit, go to toward passing through long running-in dispatching from the factory, people's guess can make a contact diffusion become oval contact zone through running-in, but that research shows is true really not so.Simultaneously, running-in has limited the raising of production efficiency for a long time, causes the huge waste of electric power, human and material resources.And unsuitable running-in is prone to make the centre-to-centre spacing between enveloping worm and the worm gear deviation to occur, makes its quality of fit can not get improving.The manufacturing issue of above-mentioned worm gear has seriously limited the serviceability of enveloping worm pair and in actual application in engineering.
Summary of the invention
The purpose of the utility model is to have the problems referred to above to existing technology, proposed a kind of simple in structure, machining accuracy is high, low cost of manufacture, the short lathe that is used to process the enveloping worm finishing tool of seating time.
The purpose of the utility model can realize through following technical proposal: a kind of lathe that is used to process the enveloping worm finishing tool; Comprise frame; The left planker and the right planker that are fixed with base on the described frame and the cross slide that can laterally move along base are installed on base and can vertically move along base; Rotary table is installed on the described cross slide and the knife rest that is used to place cutter is installed on described rotary table; It is characterized in that; Be provided with the clamping device that is used for the clamping workpiece and right planker between described left planker and the right planker and be provided with and can control workpiece spindle to the indexing means that rotates, described rotary table is provided with can be controlled tool feeding and can adjust cutter and controlling organization that the workpiece flank of tooth parallels.
Process the lathe of enveloping worm finishing tool in above-mentioned being used for; Described controlling organization comprises cam, spring and is fixed on first servomotor on the rotary table; Mount pad with chute also is installed on the described rotary table, and the knife bar of described cutter runs through chute and the knife bar end is resisted against on the cam, and the motor shaft of the described cam and first servomotor is connected; Described spring one end is fixed on the cutter, and the other end is fixed on the mount pad.
Process the lathe of enveloping worm finishing tool in above-mentioned being used for, second servomotor that the control cross slide laterally moves along base is installed on the described cross slide.Thereby move the distance of adjustment cutter and workpiece through second servomotor control cross slide.
Process the lathe of enveloping worm finishing tool in above-mentioned being used for, screw mandrel that the control cross slide laterally moves along base is installed on the described cross slide and is installed in the handwheel on the screw mandrel.Thereby control the distance that screw mandrel control cross slide moves adjustment cutter and workpiece through rotating handwheel.
Process the lathe of enveloping worm finishing tool in above-mentioned being used for, described clamping device comprises the cylinder that is fixed on the left planker and is fixed on the chuck on the right planker that above-mentioned workpiece fixes between the piston rod and chuck of cylinder.So just can piece-holder be lived, simultaneously through the piston rod of adjustment cylinder can the clamping different length workpiece.
Process the lathe of enveloping worm finishing tool in above-mentioned being used for; Described indexing means comprises the main shaft grating calibration that is fixed on the right planker and the 3rd servomotor of driving main shaft grating indexed, and above-mentioned chuck connects with described main shaft grating calibration.Thereby through the control of the 3rd servomotor control main shaft grating indexed and main shaft grating calibration be linked together chuck rotate, thereby make the workpiece that fixes between chuck and cylinder piston rod rotate.
Process the lathe of enveloping worm finishing tool in above-mentioned being used for, on the described right planker the 4th servomotor is installed.Thereby can control right planker through the 4th servomotor and vertically move the distance of adjusting between left planker and the right planker, so just can process the workpiece of different length along base.
Compared with prior art; Thereby the lathe that originally is used to process the enveloping worm finishing tool is processed to form the worm gear process tool by the feeding of servomotor through cam spring structure control cutter to workpiece (being enveloping worm); Thereby make enveloping worm and worm gear finishing tool have identical diameter; The arrangement measure of precision of cutting edge makes the smooth degree of the worm gear flank of tooth be increased dramatically, thereby has guaranteed that worm gear and the enveloping worm after the fine finishining has good quality of fit far above hobboing cutter on the worm gear finishing tool simultaneously; Really realize the two-wire contact condition, significantly improved the serviceability of enveloping worm pair.
Because the structure of enveloping worm is simple than hobboing cutter; The processing uniformity of enveloping worm is guaranteed easily; So the worm gear finishing tool that on the basis of enveloping worm, forms has good uniformity, sound assurance is provided for obtaining the good worm gear of processing uniformity.Low cost of manufacture, the long service life of the cutter of producing through this lathe help realizing the production in enormous quantities of enveloping worm pair.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the structural representation of controlling organization in the utility model.
Among the figure, 1, frame; 2, base; 3, cross slide; 4, left planker; 5, right planker; 6, rotary table; 7, knife rest; 8, cutter; 9, workpiece; 10, chute; 11, cam; 12, spring; 13, first servomotor; 14, second servomotor; 15, the 3rd servomotor; 16, the 4th servomotor; 17, cylinder; 171, piston rod; 18, chuck; 19, main shaft grating calibration; 20, screw mandrel; 21, handwheel; 22, mount pad.
The specific embodiment
Below be the specific embodiment of the utility model and combine accompanying drawing, the technical scheme of the utility model is done further to describe, but the utility model is not limited to these embodiment.
As depicted in figs. 1 and 2; Originally the lathe that is used to process the enveloping worm finishing tool comprises frame 1, at the left planker 4 and right planker 5 that are fixed with base 2 on the frame 1 and the cross slides 3 that can laterally move along base 2 are installed on base 2 and can vertically move along base 2.
Rotary table 6 is being installed on the cross slide 3 and the knife rest 7 that is used to place cutter 8 is being installed on rotary table 6, on rotary table 6, also be provided with and control cutter 8 feedings and can adjust the controlling organization that cutter 8 and workpiece 9 flank of tooth parallel.Controlling organization comprises cam 11, spring 12 and is fixed on first servomotor 13 on the rotary table 6; Mount pad 22 with chute 10 is installed on the rotary table 6; The knife bar of cutter 8 runs through chute 10 and the knife bar end is resisted against on the cam 11; The motor shaft of the cam 11 and first servomotor 13 is connected, and spring 12 1 ends are fixed on the cutter 8, and the other end is fixed on the mount pad 22.Cam 11 rotates under the drive of first servomotor 13, thereby realizes the feeding of cutter 8, the main effect of spring 12 be when cutter 8 after feed is accomplished, spring 12 and cam 11 are realized the tool backlash movement of cutter 8 together, make cutter 8 be back to initial position.Servomotor also is installed on the cross slide 3, and worm and gear controllable structure system rotary table 6 rotations of this servomotor through connecting with it are processed thereby can control 8 pairs of workpiece 9 of cutter.
On cross slide 3, be equipped with and control second servomotors 14 that cross slide 3 laterally moves along base 2, thereby move the distance of adjustment cutter 8 and workpiece 9 through second servomotor, 14 control cross slides 3.Screw mandrels 20 that control cross slide 3 laterally moves along base 2 also are being installed on the cross slide 3 and are being installed in the handwheel 21 on the screw mandrel 20, thereby controlling screw mandrel 20 and can control the distance that cross slide 3 moves adjustment cutter 8 and workpiece 9 equally through rotating handwheel 21.
Between left planker 4 and right planker 5, be provided with the clamping device that is used for clamping workpiece 9, clamping device comprises the cylinder 17 that is fixed on the left planker 4 and is fixed on the chuck 18 on the right planker 5 that workpiece 9 fixes between the piston rod 171 and chuck 18 of cylinder 17.Right planker 5 is provided with the indexing means that can control workpiece 9 axial rotation; Indexing means comprises the 3rd servomotor 15 that the main shaft grating calibration that is fixed on the right planker 5 19 and driving main shaft grating calibration 19 rotate; Chuck 18 connects with main shaft grating calibration 19; Thereby through the 3rd servomotor 15 control main shaft grating calibration 19 rotate control and main shaft grating calibration 19 be linked together chuck 18 rotate, thereby make and fix workpiece 9 rotations between chuck 18 and cylinder 17 piston rods 171.
The 4th servomotor 16 also is installed on right planker 5, vertically moves the distance of adjusting between left planker 4 and the right planker 5 along base 2, so just can process the workpiece 9 of different length thereby can control right planker 5 through the 4th servomotor 16.
This lathe in use; End with workpiece to be processed 9 (being enveloping worm) fixes on chuck 18 earlier; Restart the 4th servomotor 16 right planker 5 is vertically moved or the cylinder 17 that starts on the left planker 4 directly is resisted against on the other end of workpiece 9 piston rod 171 of cylinder 17 along base 2, thereby workpiece 9 is clamped between chuck 18 and cylinder 17 piston rods 171; After treating cylinder 17 clampings firmly, through the position of second servomotor 14 or handwheel 21 control cross slides 3, the distance of adjustment cutter 8 and workpiece 9; Then control rotary table 6, thereby adjustment cutter 8 cutting edge directions make cutter 8 cutting edge directions parallel with workpiece 9 flank of tooth through servomotor; After treating that adjustment finishes; First servomotor 13 is through the feeding of cam 11 control cutters 8, and workpiece 9 revolution under the effect of main shaft grating calibration 19 moves certain angle, moves certain distance (being confirmed by the enveloping worm second parameter) along the longitudinal direction, then; Cutter 8 with regard to feeding once; On workpiece 9 flank of tooth, form the groove with cutting edge, after groove formed, cutter 8 was return and is returned back to the next position along curve.So repeatedly, on workpiece 9, process intensive, equally distributed cutting edge, form the worm gear finishing tool.
Because the structure of enveloping worm is simple than hobboing cutter; The processing uniformity of enveloping worm is guaranteed easily; So the worm screw finishing tool that on the basis of enveloping worm, forms has good uniformity, sound assurance is provided for obtaining the good worm gear of processing uniformity.
Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from the spirit of the utility model or surmount the defined scope of appended claims.
Claims (7)
1. lathe that is used to process the enveloping worm finishing tool; Comprise frame (1); The left planker (4) and the right planker (5) that are fixed with base (2) on the described frame (1) and the cross slide (3) that can laterally move along base (2) are installed on base (2) and can vertically move along base (2); Rotary table (6) is installed on the described cross slide (3) and the knife rest (7) that is used to place cutter (8) is installed on described rotary table (6); It is characterized in that; Be provided with the clamping device and the right planker (5) that are used for clamping workpiece (9) between described left planker (4) and the right planker (5) and be provided with the indexing means that can control workpiece (9) axial rotation, described rotary table (6) is provided with can be controlled cutter (8) feeding and can adjust the controlling organization that cutter (8) and workpiece (9) flank of tooth parallel.
2. the lathe that is used to process the enveloping worm finishing tool according to claim 1; It is characterized in that; Described controlling organization comprises cam (11), spring (12) and is fixed on first servomotor (13) on the rotary table (6); Mount pad (22) with chute (10) also is installed on the described rotary table (6), and the knife bar of described cutter (8) runs through chute (10) and the knife bar end is resisted against on the cam (11), and described cam (11) is connected with the motor shaft of first servomotor (13); Described spring (12) one ends are fixed on the cutter (8), and the other end is fixed on (22) on the mount pad.
3. the lathe that is used to process the enveloping worm finishing tool according to claim 1 and 2 is characterized in that, second servomotor (14) that control cross slide (3) laterally moves along base (2) is installed on the described cross slide (3).
4. the lathe that is used to process the enveloping worm finishing tool according to claim 1 and 2; It is characterized in that, the screw mandrel (20) that control cross slide (3) laterally moves along base (2) is installed on the described cross slide (3) and is installed in the handwheel (21) on the screw mandrel (20).
5. the lathe that is used to process the enveloping worm finishing tool according to claim 1 and 2; It is characterized in that; Described clamping device comprises the cylinder (17) that is fixed on the left planker (4) and is fixed on the chuck (18) on the right planker (5) that above-mentioned workpiece (9) fixes between the piston rod (171) and chuck (18) of cylinder (17).
6. the lathe that is used to process the enveloping worm finishing tool according to claim 5; It is characterized in that; Described indexing means comprises the 3rd servomotor (15) that the main shaft grating calibration (19) that is fixed on the right planker (5) and driving main shaft grating calibration (19) rotate, and above-mentioned chuck (18) connects with described main shaft grating calibration (19).
7. the lathe that is used to process the enveloping worm finishing tool according to claim 1 and 2 is characterized in that, the 4th servomotor (16) is installed on the described right planker (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202785906U CN202239953U (en) | 2011-08-01 | 2011-08-01 | Machine tool for processing cutter for precisely processing enveloping worm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202785906U CN202239953U (en) | 2011-08-01 | 2011-08-01 | Machine tool for processing cutter for precisely processing enveloping worm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202239953U true CN202239953U (en) | 2012-05-30 |
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ID=46101254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202785906U Expired - Fee Related CN202239953U (en) | 2011-08-01 | 2011-08-01 | Machine tool for processing cutter for precisely processing enveloping worm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202239953U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108628254A (en) * | 2018-03-30 | 2018-10-09 | 重庆大学 | Power causes error lower rolling tooth to process tooth surface parameters acquisition methods |
| CN109047931A (en) * | 2018-09-05 | 2018-12-21 | 中国航发动力股份有限公司 | A kind of cross processing unit (plant) and the method using device processing part die cavity |
-
2011
- 2011-08-01 CN CN2011202785906U patent/CN202239953U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108628254A (en) * | 2018-03-30 | 2018-10-09 | 重庆大学 | Power causes error lower rolling tooth to process tooth surface parameters acquisition methods |
| CN108628254B (en) * | 2018-03-30 | 2020-03-10 | 重庆大学 | Method for acquiring parameters of gear hobbing tooth surface under force-induced error |
| CN109047931A (en) * | 2018-09-05 | 2018-12-21 | 中国航发动力股份有限公司 | A kind of cross processing unit (plant) and the method using device processing part die cavity |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20150801 |
|
| EXPY | Termination of patent right or utility model |