CN1887517A - Oblique cam type torsional vibrator for vibrating hole formation - Google Patents
Oblique cam type torsional vibrator for vibrating hole formation Download PDFInfo
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- CN1887517A CN1887517A CN 200610089694 CN200610089694A CN1887517A CN 1887517 A CN1887517 A CN 1887517A CN 200610089694 CN200610089694 CN 200610089694 CN 200610089694 A CN200610089694 A CN 200610089694A CN 1887517 A CN1887517 A CN 1887517A
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Abstract
The oblique cam type torsional vibrator for vibrating hole formation consists of a casing comprising a upper part and a lower part screwed together, a driving assemble, an elastic coupling, a vibration generator assemble and an output shaft. It has right end cover and left end cover in the joint of the two casing parts, driving shaft on two bearings, two locating parts and inclined cam on the driving shaft, balance wheel on a shifting fork, driving belt wheel connected to the output shaft of the motor, driven belt wheel, two V-belts between the driving belt wheel and the driven belt wheel, and connecting shaft connected to the shifting fork and the elastic coupling. The torsional vibrator of the present invention may be installed onto a bench tapping machine or bench drilling machine for vibration tapping and vibration reaming, and the torsional vibrating motor may be powered through one collecting ring installed to the top of the upper casing part.
Description
Technical field
The present invention relates to a kind of torsional vibrator, the oblique cam-type torsional vibrator especially for vibrating hole (vibrating and tapping and vibration fraising) belongs to metal cutting processing and metal cutting equipment parts.
Background technology
Under the prior art condition, adopt the processing method of the manual tapping of workman the hole processing of difficult-to-machine material (as stainless steel, high strength steel, titanium alloy and high temperature alloy etc.), the tapping process plug tap often fractures owing to the tapping moment of torsion is excessive, very easily causes scrapping of workpiece.Vibrating and tapping can significantly reduce the tapping moment of torsion, improves cutter life and thread quality, is the effective technology means of a processing difficult problem that solve the minor thread hole of the screwed hole of difficult-to-machine material and common material.Vibrating and tapping is meant on screw tap or workpiece additional twisting vibration clocklike, makes the continuous working angles of traditional tapping method become the working angles of interruption, moment and repetition.Adopt Low Frequency Torsional Vibration at present in the vibrating and tapping more.
Output shaft at the Low Frequency Torsional Vibration device makes vibrator output can realize the twisting vibration fraising along the twisting vibration of the hand of spiral by screw thread pattern or ball-screw.In fraising processing, adopt the surface roughness value Ra in the hole that common fraising method obtains bigger.Be easier to material processed as No. 45 this ratios of steel, once leading under the condition of hinge the minimum 3.2 μ m that only can reach of the value of surface roughness Ra.When adopting the twisting vibration reaming method to ream, the smoothing part plays the effect of grinding, thereby can significantly reduce the surface roughness in hole the machined surface Repeated Cutting.And twisting vibration fraising helps chip breaking, avoided long smear metal in the common fraising process to scratch the situation of machined surface.In addition, the twisting vibration fraising can also suppress built-up edge.Adopt the processing method of twisting vibration fraising, take reasonable technological parameter to carry out the twisting vibration fraising,, the surface roughness Ra value in hole is reached below the 0.8 μ m once leading under the condition of hinge.
In existing mechanical type Low Frequency Torsional Vibration device, the vibration force of ubiquity mechanism of twisting vibration mechanism does not have balance, hierarchy to cause the disturbing moment effect that adds and uses high auxiliary structure to cause problems such as gap impact and vibration unreasonably, cause equipment in operation process, to have bigger evil vibration and noise, and influence the service life of system.In addition, existing twisting vibration mechanism can't adjust amplitude, has limited the process parameter optimizing and the range of application of vibrating and tapping equipment.
Summary of the invention
The purpose of this invention is to provide a kind of oblique cam-type torsional vibrator that is used for vibrating hole, this torsional vibrator is converted to twisting vibration by the revolution of oblique cam with uniform motion, there is not disturbing moment, increased operation stability of equipment, prolonged the service life of device, and realized the adjustable continuously of amplitude, increased the flexibility and the range of application of vibrating and tapping apparatus and process parameter.
The present invention is a kind of oblique cam-type torsional vibrator that is used for vibrating hole, is made up of housing, driven unit, yielding coupling, vibration generating assembly and output shaft; Upper shell and lower house are fixed together by screw, and joint is symmetrically installed with left end cap, right end cap, the two ends of power transmission shaft are installed in left bearing, the right bearing, left keeper, right keeper and oblique cam are installed on the power transmission shaft, escapement is installed on the shift fork, two V bands are installed between driving pulley that is connected with motor output shaft and the driven pulley, and the connecting axle that is connected by key and shift fork one end is connected with yielding coupling one end, and the yielding coupling other end is connected with output shaft.
The advantage of the oblique cam-type torsional vibrator of the present invention is: (1) is converted to the uniform rotation of motor 101 outputs by oblique cam 309 twisting vibration of the circumferencial direction of output shaft 4, avoided the generation of horizontal and vertical disturbing moment, helped the oblique cam-type torsional vibrator of the present invention and realize pure couple output; (2) kinematic pair of torsional vibrator of the present invention is rolling pair, does not have the gap, helps prolonging its service life; (3) by adjusting left retaining ring 304, the relative position of right retaining ring 303 on power transmission shaft 301, can make oblique cam 305 form different angles with power transmission shaft 301, realized the adjustable continuously of twisting vibration amplitude 0～50 degree.
Description of drawings
Fig. 1 is the appearance assumption diagram of the oblique cam-type torsional vibrator of the present invention.
Fig. 2 is the structure chart of the oblique cam-type torsional vibrator of the present invention of no housing.
Fig. 3 is the installation diagram of vibration generating assembly and yielding coupling, output shaft.
Fig. 3 A is oblique cam structure figure.
Fig. 3 B is the shift fork structure chart.
Fig. 3 C is left keeper structure chart.
Fig. 3 D is right keeper structure chart.
Among the figure: 1. driven unit 101. motors 102. driving pulleys 103. driven pulley 104.V band A 105.V band B 2. yielding couplings 3. vibration generating assemblies 301. power transmission shafts 302. shift forks 321. right gland 322. left gland 323. through holes 324. left fork 325. right fork 303. right keeper 331. through holes 332. retaining rings 333. first connectors 334. second connectors 304. left keeper 341. through holes 342. retaining rings 343. first connectors 344. second connectors 305. escapements 351. right balancing arbor 352. left swing wheel shafts 353. needle bearings 354. through holes 306. needle bearing 307. connecting axles 308. right needle bearing 309. oblique cam 310. pressure rings 311. keys 312. screws 4. output shafts 401. upper bearing (metal)s 402. lower bearings 501. motor mounts 502. upper shells 503. lower houses 504. axle sleeves 505. left bearings 506. right bearings 507. left end caps 508. right end caps that roll left
The specific embodiment
The present invention is described in further detail below in conjunction with accompanying drawing.
The present invention is a kind of oblique cam-type torsional vibrator that is used for vibrating and tapping and vibration fraising, is made up of housing, driven unit 1, yielding coupling 2, vibration generating assembly 3 and output shaft 4;
See also Fig. 1, Fig. 2, shown in Figure 3, the upper shell 502 of described housing and lower house 503 are fixed together by screw, and joint is symmetrically installed with left end cap 507, right end cap 508, left bearing 505 is installed in the left end cap 507, right bearing 506 is installed in the right end cap 508, one end of power transmission shaft 301 is installed in the left bearing 505, and the other end of power transmission shaft 301 is installed in the right bearing 506, and left bearing 505 and right bearing 506 support power transmission shaft 301; Fixedly connected with axle sleeve 504 in the lower end of lower house 503, and the bottom of lower house 503 is provided with the through hole (not shown) of passing through for the connecting axle 307 that vibrates generating assembly 3; Upper shell 502 is fixed together with motor mount 501.(seeing also shown in Figure 3) axle sleeve 504 is by the fixing output shaft 4 of upper bearing (metal) 401 and lower bearing 402, and output shaft 4 upper ends are connected with an end of yielding coupling 2, and the other end of yielding coupling 2 is connected with connecting axle 307, and yielding coupling 2 is placed in the axle sleeve 504.
See also shown in Figure 2, the motor 101 of described driven unit 1 is fixed in the motor mount 501, motor 101 output shafts are connected with driving pulley 102, and V band A104, V band B 105 is installed between driving pulley 102 and the driven pulley 103, and driven pulley 103 is connected with power transmission shaft 301 by key.In the present invention, the output shaft of motor 101 and power transmission shaft 301 parallel installations, motor 101 rotates with upper shell 502, lower house 503, has realized the high rotating speed and the high vibration frequency of output shaft 4, has reduced noise.
See also shown in Fig. 3, Fig. 3 A～Fig. 3 D, the power transmission shaft 301 of described vibration generating assembly 3 passes the central through hole 354 of oblique cam 309, and be connected with oblique cam 309 by pin, the left end of power transmission shaft 301 is installed in the left bearing 505, and the right-hand member of power transmission shaft 301 is installed in the right bearing 506; Tiltedly cam 309 outsides are equipped with needle bearing 353, needle roller axle 353 outsides are equipped with escapement 305 and (are fixed with pressure ring 310 on the end face of needle roller axle 353 and escapement 305, pressure ring 310 is used to realize the axial location of needle bearing 353 outer rings and escapement 305), the escapement 305 outside left and right sides are respectively equipped with left balancing arbor 352, right balancing arbor 351, left side balancing arbor 352 is placed in the needle bearing 306 that rolls left, and right balancing arbor 351 is placed in the right needle bearing 308;
See also shown in Fig. 3 B, the needle bearing 306 that rolls left is installed in the dead eye of left side fork 324 of shift fork 302, and compresses by left gland 322; Right needle bearing 308 is installed in the dead eye of right side fork 325 of shift fork 302, and compresses by right gland 321; The through hole 323 of shift fork 302 bottoms is connected with connecting axle 307 upper ends by key, and connecting axle 307 lower ends are connected with yielding coupling 2 by key 311;
See also shown in Fig. 3 C, left side keeper 304 is made up of retaining ring 342, first connector 343 and second connector 344, the center of retaining ring 342 is provided with a through hole 341 that passes for power transmission shaft 301, the outside of retaining ring 342 two ends up and down is respectively equipped with upper lug 346, following lug 347, the center of following lug 347 offers a groove 345, and the notch of groove 345 is along reaching to through hole 341; Upper lug 346 is connected by the end of pin with first connector 343, the other end of first connector 343 is connected by the end of pin with second connector 344, the other end of second connector 344 is by being fixed in screw and being connected of two screws upper end, oblique cam 309 left sides, and tiltedly upper end, cam 309 left sides is provided with two screw (not shown)s.The through hole 341 at retaining ring 342 centers passes for power transmission shafts 301, after power transmission shaft 301 passes through hole 341, by tightening screw in the hole of lug 347 down, has realized the clamping of retaining ring 342 and power transmission shaft 301 or unclamps.By regulating the gradient that is connected between first connector 343 and the retaining ring 342 and second connector 344, can adjust the angle between oblique cam 309 axis and power transmission shaft 301 axis, angle can be adjustable continuously in 0～25 degree scope.
See also shown in Fig. 3 D, right keeper 303 is made up of retaining ring 332, first connector 333 and second connector 334, the center of retaining ring 332 is provided with a through hole 331 that passes for power transmission shaft 301, the outside of retaining ring 332 two ends up and down is respectively equipped with upper lug 336, following lug 337, the center of following lug 337 offers a groove 335, and the notch of groove 335 is along reaching to through hole 331; Upper lug 336 is connected by the end of pin with first connector 333, the other end of first connector 333 is connected by the end of pin with second connector 334, and the other end of second connector 334 is by being fixed in screw and being connected of two screws 312 lower end, oblique cam 309 right side.The through hole 331 at retaining ring 332 centers passes for power transmission shafts 301, after power transmission shaft 301 passes through hole 331, by tightening screw in the hole of lug 337 down, has realized the clamping of retaining ring 332 and power transmission shaft 301 or unclamps.By regulating the gradient that is connected between first connector 333 and the retaining ring 332 and second connector 334, can adjust the angle between oblique cam 309 axis and power transmission shaft 301 axis, angle can be adjustable continuously in 0～25 degree scope.
In the present invention, by adjusting left keeper 304 and the installation site of right keeper 303 on power transmission shaft 301 simultaneously along opposite or relative direction, realized that the angle between oblique cam 309 axis and power transmission shaft 301 axis is regulated, the angle adjustable range is 0～25 degree.The angular amplitude of output shaft 4 outputs is 2 times of above-mentioned angle.
In the present invention, the oblique cam 309 of described vibration generating assembly 3 is converted to the uniform rotation of power transmission shaft 301 twisting vibration on the circumferencial direction of output shaft 4, avoided the generation of the horizontal and vertical disturbing moment of vibrator, realize pure couple output, helped the oblique cam-type torsional vibrator of the present invention stable working.
Oblique cam-type torsional vibrator of the present invention, when the amplitude of the twisting vibration of adjusting output shaft 4, take off V-type band A104 and V-type band B105 between driving pulley 102 and driven pulley 103 earlier, then motor mount 501 is pulled down from upper shell 502, unclamp retaining ring 342 on the left keeper 304 and the retaining ring 332 on the right keeper 303, move this two positions of retaining ring on power transmission shaft 301 along opposite or relative direction, by adjust these two retaining rings realize adjusting oblique cam 309 and and power transmission shaft 301 between angle; And then it is fastening with power transmission shaft 301 retaining ring 342 on the left keeper 304 and the retaining ring on the right keeper 303 332.Again motor mount 501 is installed on the upper shell 502 at last, and V-type band A104 and V-type band B105 are installed on driving pulley 102 and the driven pulley 103, finish the adjustment of twisting vibration amplitude.
Oblique cam-type torsional vibrator of the present invention, can be installed on bench tapping machine or the bench drill, make the vibrator uniform rotation, make the machine operation of vibrator simultaneously, then the compound motion that can be formed by stacking in the main shaft output uniform rotation and the twisting vibration of tapping machine or bench drill.Power supply of the present invention can realize by collector ring.At spindle nose clamping screw tap, and make the main shaft axial float, can realize vibrating and tapping; Increase the screw thread pattern at spindle nose, and the clamping reamer, can realize the vibration fraising.
Claims (6)
1, a kind of oblique cam-type torsional vibrator that is used for vibrating hole is characterized in that: be made up of housing, driven unit (1), yielding coupling (2), vibration generating assembly (3) and output shaft (4);
The upper shell of described housing (502) is fixed together by screw with lower house (503), and joint is symmetrically installed with left end cap (507), right end cap (508), left bearing (505) is installed in the left end cap (507), right bearing (506) is installed in the right end cap (508), one end of power transmission shaft (301) is installed in the left bearing (505), the other end of power transmission shaft (301) is installed in the right bearing (506), and left bearing (505) and right bearing (506) support power transmission shaft (301); Fixedly connected with axle sleeve (504) in the lower end of lower house (503), and the bottom of lower house (503) is provided with the through hole that passes through for the connecting axle (307) that vibrates generating assembly (3); Upper shell (502) is fixed together with motor mount (501);
Described axle sleeve (504) is by the fixing output shaft (4) of upper bearing (metal) (401) and lower bearing (402), output shaft (4) upper end is connected with an end of yielding coupling (2), the other end of yielding coupling (2) is connected with connecting axle (307), and yielding coupling (2) is placed in the axle sleeve (504);
The motor (101) of described driven unit (1) is fixed in the motor mount (501), motor (101) output shaft is connected with driving pulley (102), V band A (104), V band B (105) is installed between driving pulley (102) and the driven pulley (103), and driven pulley (103) is connected with power transmission shaft (301) by key;
The power transmission shaft (301) of described vibration generating assembly (3) passes the central through hole (354) of oblique cam (309), and be connected with oblique cam (309) by pin, the left end of power transmission shaft (301) is installed in the left bearing (505), and the right-hand member of power transmission shaft (301) is installed in the right bearing (506); Tiltedly cam (309) outside is equipped with needle bearing (353), needle bearing (353) outside is equipped with escapement (305), the outside left and right sides of escapement (305) is respectively equipped with left balancing arbor (352), right balancing arbor (351), left side balancing arbor (352) is placed in the needle bearing that rolls left (306), and right balancing arbor (351) is placed in the right needle bearing (308);
The needle bearing (306) that rolls left is installed in the left side of shift fork (302) and pitches in the dead eye of (324), and compress by left gland (322), right needle bearing (308) is installed in the right side of shift fork (302) and pitches in the dead eye of (325), and compress by right gland (321), the through hole (323) of shift fork (302) bottom is connected with connecting axle (307) upper end by key, and connecting axle (307) lower end is connected with yielding coupling (2) by key (311);
Left side keeper (304) is made up of retaining ring (342), first connector (343) and second connector (344), the center of retaining ring (342) is provided with a through hole (341) that passes for power transmission shaft (301), the outside of retaining ring (342) two ends up and down is respectively equipped with upper lug (346), following lug (347), the center of following lug (347) offers a groove (345), and the notch of groove (345) is along reaching to through hole (341); Upper lug (346) is connected by the end of pin with first connector (343), the other end of first connector (343) is connected by the end of pin with second connector (344), and the other end of second connector (344) is by being fixed in screw and being connected of two screws upper end, oblique cam (309) left side;
Right keeper (303) is made up of retaining ring (332), first connector (333) and second connector (334), the center of retaining ring (332) is provided with a through hole (331) that passes for power transmission shaft (301), the outside of retaining ring (332) two ends up and down is respectively equipped with upper lug (336), following lug (337), the center of following lug (337) offers a groove (335), and the notch of groove (335) is along reaching to through hole (331); Upper lug (336) is connected by the end of pin with first connector (333), the other end of first connector (333) is connected by the end of pin with second connector (334), and the other end of second connector (334) is fixed in oblique cam (309) lower end, right side by screw and being connected of two screws (312).
2, the oblique cam-type torsional vibrator that is used for vibrating hole according to claim 1 is characterized in that: the twisting vibration of output shaft (4) output is by oblique cam (309) uniform rotation on the power transmission shaft (301) to be converted to.
3, the oblique cam-type torsional vibrator that is used for vibrating hole according to claim 1, it is characterized in that: the gradient that is connected between first connector (343) and retaining ring (342) and second connector (344), be used for the angle between realization adjustment oblique cam (309) axis and power transmission shaft (301) axis, angle can be adjustable continuously in 0～25 degree scope.
4, the oblique cam-type torsional vibrator that is used for vibrating hole according to claim 1 is characterized in that: the angular amplitude of output shaft (4) output is 2 times of angle between oblique cam (309) axis and power transmission shaft (301) axis.
5, the oblique cam-type torsional vibrator that is used for vibrating hole according to claim 1 is characterized in that: left keeper (304) and right keeper (303) on power transmission shaft (301) by adjusting simultaneously along opposite or relative direction.
6, the oblique cam-type torsional vibrator that is used for vibrating hole according to claim 1 is characterized in that: the output shaft of motor (101) and the parallel installation of power transmission shaft (301).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100896946A CN100389007C (en) | 2006-07-12 | 2006-07-12 | Oblique cam type torsional vibrator for vibrating hole formation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100896946A CN100389007C (en) | 2006-07-12 | 2006-07-12 | Oblique cam type torsional vibrator for vibrating hole formation |
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| Publication Number | Publication Date |
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| CN1887517A true CN1887517A (en) | 2007-01-03 |
| CN100389007C CN100389007C (en) | 2008-05-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006100896946A Expired - Fee Related CN100389007C (en) | 2006-07-12 | 2006-07-12 | Oblique cam type torsional vibrator for vibrating hole formation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819135A (en) * | 2015-03-28 | 2015-08-05 | 肖立峰 | Swing pipe pump |
| CN112518400A (en) * | 2020-08-21 | 2021-03-19 | 穆特科技（武汉）股份有限公司 | Gap eliminating device and degree of freedom platform |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101391379B (en) * | 2008-10-28 | 2010-06-02 | 北京航空航天大学 | Ultrasonic vibration taper shank capable of quickly centering |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2075993U (en) * | 1988-08-06 | 1991-05-01 | 高小钢 | Device for oscillatory cutting and ultraprecision machining |
| CN1124684A (en) * | 1993-12-15 | 1996-06-19 | 北京航空航天大学 | High-efficient multifunctional vibration threading machine |
| CN2527382Y (en) * | 2001-02-27 | 2002-12-25 | 杨青 | Ultrasonic wave torsion vibrating drilling device |
-
2006
- 2006-07-12 CN CNB2006100896946A patent/CN100389007C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104819135A (en) * | 2015-03-28 | 2015-08-05 | 肖立峰 | Swing pipe pump |
| CN112518400A (en) * | 2020-08-21 | 2021-03-19 | 穆特科技（武汉）股份有限公司 | Gap eliminating device and degree of freedom platform |
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| Publication number | Publication date |
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| CN100389007C (en) | 2008-05-21 |
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Granted publication date: 20080521 |