CN202291842U - Rapid centering device for laser focus position - Google Patents
Rapid centering device for laser focus position Download PDFInfo
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- CN202291842U CN202291842U CN 201120375187 CN201120375187U CN202291842U CN 202291842 U CN202291842 U CN 202291842U CN 201120375187 CN201120375187 CN 201120375187 CN 201120375187 U CN201120375187 U CN 201120375187U CN 202291842 U CN202291842 U CN 202291842U
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Abstract
The utility model discloses a rapid centering device for a laser focus position in laser machining. A probe is arranged at the lowest part of a laser machining head part, a motor is connected with a clutch mechanism through a speed-changing gear box, the clutch mechanism is connected with one end of a synchronous belt, the other end of the synchronous belt is connected with a synchronous gear, the synchronous gear is fixedly connected with the lower end of a machine screw, the machine screw is fixedly connected with one side of a Z-direction side plate of a machine through a screw nut, and the other side of the Z-direction side plate of the machine is fixedly connected with the laser machining head part; and a clutch shaft and a clutch gear are both coaxially arranged in a cylindrical central cavity of a internal tooth synchronous pulley, the clutch shaft is fixedly connected with one end of a clutch pin roll, the other end of the clutch pin roll is downwards and movably connected with the clutch gear, the internal tooth synchronous pulley is meshed with the clutch gear through internal teeth and external teeth, and the outer ring of the internal tooth synchronous pulley is connected with one end of the synchronous belt. The rapid centering device has a power driving shopping function and can be used for preventing a focus detecting part from generating interference in the machining process and effectively solving the problems of portability and accuracy for laser focus position centering and consistency of multiple centering and the like.
Description
Technical field
The utility model relates to technical field of laser processing, relates in particular to the device of confirming the focal position in a kind of Laser Processing automatically fast.
Background technology
Laser processing technology just is being widely used in field of machining and machinebuilding technology as the part of special processing technology.In laser processing procedure, the technological factor that influences its crudy mainly contains laser power, process velocity, defocusing amount, protective gas etc.And defocusing amount, promptly the distance between laser spot and the workpiece surface is an important technical parameters, and it has determined the size of laser energy density, and it is inaccurate or inconvenient that defocusing amount is selected, and must influence crudy and working (machining) efficiency.
The defocusing amount of laser processing procedure is generally chosen in advance at present; This just required before the formal processing parts of laser, needed to confirm earlier focal position of laser, then according to this focal position; Come to confirm defocusing amount again, outbalance so definite focal position of laser just seems.The aligning method of focal position commonly used has at present: the one: on millboard or resin plate, burning a continuous cut near the focus from low to high with the low-power continuous laser, relatively the thickness of cut changes to confirm the position of laser spot; The 2nd: on steel plate, getting keyhole by certain intervals with highpowerpulse laser from low to high near the focus, relatively the size of keyhole is confirmed the position of laser spot.The shortcoming of these two kinds of methods is to need repeated test, and precision is low, confirms that repeatedly the uniformity of focal position of laser is relatively poor.
The Chinese patent publication number is " CN 101823181 A "; Name is called " a kind of method of quickly calibrating focal position of laser and mechanism "; A kind of method and mechanism of quickly calibrating focal position of laser are disclosed; Half the through blocking near the light path of lens, thus make laser beam only become the picture of semicircle shape; Again will be apart from pressing linear change; Make laser after the front and back position of focus is ablated to steel plate; Relatively thereby the position of laser spot is confirmed in the variation of light spot shape; This method and mechanism and conventional method are similar, can not solve definite repeatedly consistency problem of centering that reaches of laser spot fast precise effectively.
Summary of the invention
The technical problem that the utility model will solve is: a kind of alignment device that can carry out convenient, quick, accurate (high conformity) to focal position of laser is provided, effectively solves the drawback of focal position of laser centering in the existing Laser Processing.
The utility model is realized through following technical scheme: power driving part connects the Laser Processing head member through drive disk assembly; The foot of Laser Processing head member is a probe, and probe is electrically connected the PLC control assembly, and power driving part comprises the DC24V motor; Speed-changing gear box and clutch; The DC24V electric electromechanics connects the PLC control assembly and connects clutch through speed-changing gear box, and what clutch connected drive disk assembly is with an end synchronously, is with the other end to connect synchromesh gear synchronously; The lower end of the affixed lathe screw mandrel of synchromesh gear; Suit feed screw nut on the lathe screw mandrel, the affixed lathe Z of feed screw nut are to a side of side plate, and lathe Z is to the affixed Laser Processing head member of the opposite side of side plate.
Said clutch comprises clutch shaft, clutch bearing pin, internal tooth synchronous pulley and clutch gear; The all coaxial lumen that is arranged in the internal tooth synchronous pulley of tubular of clutch shaft and clutch gear; The coaxial affixed clutch shaft in the power output shaft lower end of speed-changing gear box, clutch shaft is fixedly connected an end of clutch bearing pin, and the clutch bearing pin other end flexibly connects clutch gear downwards; The internal tooth synchronous pulley is meshed with interior external tooth with clutch gear, leaves the gap between clutch shaft and the internal tooth synchronous pulley, and internal tooth synchronous pulley outer ring connects is with an end synchronously.
Said Laser Processing head member comprises probe telescopic rod, fairlead and detection pedestal; Probe top is through the affixed probe telescopic rod of screw thread lower end; The probe telescopic rod external series gap is with fairlead, and the affixed detection pedestal of fairlead is surveyed pedestal and is fixed in the opposite side of lathe Z to side plate.
Affixed clutch pull rod upper end in the middle of the said clutch gear; The clutch pull rod stage casing connects the clutch handle fixed head through plane bearing; The lower end of the affixed clutch handle in clutch pull rod lower end; Clutch handle passes the groove on the clutch handle fixed head and is articulated in the clutch handle fixed head through connector, and the contact and the clutch gear that are contacted with gauge tap after upwards pull the upper end of clutch handle are in downwards throws off the on-of pin shaft position, and gauge tap is electrically connected the PLC control assembly.
The probe telescopic rod left and right sides is symmetrical set a pair of driving lever and pair of links, and the driving lever stage casing flexibly connects through the lower end of pin and connecting rod, and the lower end of driving lever is hinged on to be surveyed on the pedestal, the affixed retainer ring that is solidly set on the probe telescopic rod in pair of links upper end.
The beneficial effect of the utility model is:
1, can realize looking for automatically the purpose of focal position, solve that the focal position of laser centering is inconvenient, precision is low, the shortcoming of uniformity difference, efficiently quick, the convenient accurate centering of focal position of laser is finally realized in the accurate location of realizing probe.
2, have the power drive closing function, can avoid process mid-focal length exploring block to produce and interfere.
3, reasonable in design, simple in structure, easily manufactured; Can solve the convenience, accuracy of focal position of laser centering and the problems such as uniformity of centering repeatedly effectively; Thereby improve the quality of Laser Processing, reduced the non-cutting time of centering, reduced the finished product percent defective.
Description of drawings
Through the accompanying drawing and the specific embodiment technical scheme of the utility model is done further explain below;
Fig. 1 is the assembly drawing of the utility model focal position of laser alignment device;
Fig. 2 is the structure enlarged drawing of Laser Processing head member G among Fig. 1, the dextrad view that promptly Laser Processing head member G amplifies among Fig. 1;
Fig. 3 is the enlarged front view of Fig. 1 medium power driver part F, i.e. the left-hand view of Fig. 1 medium power driver part F amplification;
Fig. 4 is the enlarged drawing of local H among Fig. 3; It is the enlarged drawing of clutch;
Among the figure: 1. probe, 2. collet is 3. surveyed pedestal, 4. fairlead, 5,10. driving lever, 6,9. connecting rod; 7. retainer ring, 8. probe telescopic rod, 11. connectors, 12. clutch handles, 13. speed-changing gear boxs, 14.DC24V motor; 15. the transition gusset, 16. power output shafts, 17. clutch shafts, 17-1. clutch bearing pin, 18. internal tooth synchronous pulleys, 19. clutch gears; 20. the pull bar dog screw, 21. plane bearings, 22. clutch pull rods, 23. gauge taps, 24. clutch handle fixed heads; A. be with synchronously, the B. synchromesh gear, C. feed screw nut, D. lathe screw mandrel, E. lathe Z is to side plate.F. power driving part.
The specific embodiment
Referring to Fig. 1, the utility model initiatively comprises these three big parts of power driving part F, drive disk assembly and Laser Processing head member G, and power driving part F connects Laser Processing head member G through drive disk assembly.Wherein, drive disk assembly comprises synchronous band A, synchromesh gear B, feed screw nut C and lathe screw mandrel D.Power driving part F connects the end of the synchronous band A in the drive disk assembly; The other end of band A connects synchromesh gear B synchronously; Synchromesh gear B is fixedly connected on the lower end of lathe screw mandrel D; The supporting with it feed screw nut C of suit on the lathe screw mandrel D top, feed screw nut C are fixedly connected the side of lathe Z to side plate E, and lathe Z is fixedly connected Laser Processing head member G to the opposite side of side plate E.Driving synchronous band A motion, synchromesh gear B and lathe screw mandrel D successively by power driving part F rotates; The rotation of lathe screw mandrel D makes feed screw nut C axially moving up and down along lathe screw mandrel D; To rotatablely move and change rectilinear motion into, move up and down thereby drive Laser Processing head member G to side plate E through lathe Z.
Referring to Fig. 2, Laser Processing head member G is used for focusing and surveys, and by probe 1, collet 2, detection pedestal 3, fairlead 4, driving lever 5,10, connecting rod 6,9, retainer ring 7, probe telescopic rod 8 are formed; Wherein, survey pedestal 3 and be fixedly connected on the opposite side of lathe Z, Laser Processing head member G and lathe Z are fixed together to side plate E through surveying pedestal 3 to side plate E.The foot of Laser Processing head member G is a probe 1; Probe 1 is electrically connected with PLC control assembly (having omitted the PLC control assembly among the figure); The top of probe 1 is fixedly connected probe telescopic rod 8 lower ends through engage thread, and the screw position between probe 1 and the probe telescopic rod 8 can be adjusted.Probe telescopic rod 8 is vertically placed, probe telescopic rod 8 overcoat fairleads 4, with fairlead 4 matched in clearance, fairlead 4 is fixedly connected on to be surveyed on the pedestal 3, makes interference fit with fixing through the cylindrical and the endoporus of surveying on the pedestal 3 of fairlead 4.Fairlead 4 lower end positions, and probe telescopic rod 8 between collet 2 is set, finely tune through collet 2 in the gap between probe telescopic rod 8 and the fairlead 4.During work, realize to survey move up and down (displacement) of pedestal to side plate E, thereby band has been used 1 move up and down of popping one's head in through lathe Z.
For avoid popping one's head in 1 process occur being interfered maybe, the work that also need shrink probe 1 in formal first being processed.Therefore, a pair of driving lever 5,10 and pair of links 6,9 of symmetry is set in the left and right sides of probe telescopic rod 8, driving lever 5,10 stage casings flexibly connect through the lower end of pin and connecting rod 6,9, and the lower end of driving lever 5,10 is hinged on to be surveyed on the pedestal 3.The upper end of pair of links 6,9 is fixedly connected on retainer ring 7 through screw, retainer ring 7 through himself endoporus and screw fixed cover on probe telescopic rod 8.Like this; Pull a pair of driving lever 5,10, drive pair of links 6,9 interlocks; Thereby driving retainer ring 7 through pair of links 6,9 moves up and down; Realize slide up and down (displacement) of probe telescopic rod 8, the final upper and lower displacement that realizes probe 1 is with accomplishing the work of shrinking probe 1 after this fixed-site.
Referring to Fig. 3, power driving part F comprises DC24V motor 14, speed-changing gear box 13 and clutch, and power driving part F connects the end of band A synchronously through clutch.DC24V motor 14, speed-changing gear box 13 all is fixedly mounted on the transition gusset 15.DC24V motor 14 connects clutch through speed-changing gear box 13, and DC24V motor 14 is electrically connected the PLC control assembly.
Referring to Fig. 3-4, speed-changing gear box 13 connects clutch through its power output shaft 16.Clutch comprises clutch shaft 17, clutch bearing pin 17-1, internal tooth synchronous pulley 18 and clutch gear 19.Wherein, the coaxial fixed connection clutch shaft 17 in the lower end of power output shaft 16, both make the hole axle and cooperate connection.Clutch shaft 17 is fixedly connected the end of clutch bearing pin 17-1; The clutch bearing pin 17-1 other end extends downwards in the respective aperture of clutch gear 19; Clutch bearing pin 17-1 and clutch gear 19 are connected through draw key; Clutch bearing pin 17-1 can be uniformly distributed with 3, and like this, clutch shaft 17 drives clutch gear 19 through clutch bearing pin 17-1 and rotates.Internal tooth synchronous pulley 18 is a tubular; Clutch shaft 17 and clutch gear 19 all are arranged in the lumen of internal tooth synchronous pulley 18; And clutch shaft 17, clutch gear 19 and internal tooth synchronous pulley 18 threes are coaxial, and internal tooth synchronous pulley 18 links through interior external tooth engagement with clutch gear 19, leaves the gap between clutch shaft 17 and the internal tooth synchronous pulley 18; The end of synchronous band A in the internal tooth synchronous pulley 18 outer ring connection layouts 1 is through the rotation drive band A motion synchronously of internal tooth synchronous pulley 18.Clutch shaft 17 drives clutch gear 19 through clutch bearing pin 17-1 and rotates, and internal tooth synchronous pulley 18 connects with synchromesh gear B through being with A synchronously, thereby has realized rotatablely moving of synchromesh gear B.
Focal position timing before Laser Processing; After probe 1 and part to be processed upper surface are responded to, corresponding signal is transferred to the PLC control assembly, after this moment, the PLC control assembly obtained this signal feedback; The signal of output correspondence is to DC24V motor 14; DC24V motor 14 drives power output shaft 16 and carries out corresponding rotatablely moving according to the signal that obtains, thereby drives clutch shaft 17, clutch bearing pin 17-1, clutch gear 19, internal tooth synchronous pulley 18 successively, be with A, synchromesh gear B, lathe screw mandrel D, feed screw nut C motion synchronously; The probe 1 of Laser Processing head member G is moved up and down, the effect that focal position of laser is looked in final realization automatically.
Referring to Fig. 3-4, adding man-hour, be prone to be damaged for avoiding lathe screw mandrel D, a trip gear is set on power driving part F, realize power output closing function.This trip gear is included in and is fixedly connected clutch pull rod 22 on the clutch gear 19; Pull bar dog screw 20 affixed clutch gears 19 centres are passed through in the upper end of clutch pull rod 22; The stage casing of clutch pull rod 22 connects plane bearing 21; Plane bearing 21 connects clutch handle fixed head 24 simultaneously, and plane bearing 21 is cooperated connection with endoporus on the clutch handle fixed head 24.Referring to Fig. 3-4; The lower end of clutch pull rod 22 is fixedly connected the lower end of clutch handle 12; Clutch handle 12 passes the groove on the clutch handle fixed head 24, and is hinged on the clutch handle fixed head 24 through connector 11, and connector 11 can be made up of screw, spring, steel ball.On clutch handle fixed head 24 and near clutch handle 12 positions, gauge tap 23 is set, gauge tap 23 is electrically connected the PLC control assembly.The upper end of clutch handle 12 extends upward, and is the operating side, when the operating side of upwards pulling clutch handle 12; Realize rotatablely moving of self through connector 11, move downward thereby drive clutch pull rod 22, at this moment; Clutch pull rod 22 drives clutch gear 19 to lower slider (displacement) through pull bar dog screw 20; Make hole and clutch bearing pin 17-1 on the clutch gear 19 throw off, promptly clutch gear 19 is in downwards and throws off clutch bearing pin 17-1 position, realizes power output closing function.When power output is closed; The position of pulling clutch handle 12 just in time with gauge tap 23 on the contact contact; Gauge tap 23 transfers to the PLC control assembly with signal, thereby connects lathe self lead screw motor control power supply, makes lathe self the control system can operate as normal.So far, the work of whole focal position of laser centering all finishes, and can carry out the formal processing tasks of laser.
Claims (5)
1. focal position of laser fast calibrating device; Power driving part (F) connects Laser Processing head member (G) through drive disk assembly; The foot of Laser Processing head member (G) is a probe (1), and probe (1) is electrically connected the PLC control assembly, it is characterized in that; Power driving part (F) comprises DC24V motor (14); Speed-changing gear box (13) and clutch; DC24V motor (14) is electrically connected the PLC control assembly and connects clutch through speed-changing gear box (13), and clutch connects synchronous band (A) end of drive disk assembly, and band (A) other end connects synchromesh gear (B) synchronously; The lower end of the affixed lathe screw mandrel of synchromesh gear (B) (D); Lathe screw mandrel (D) is gone up suit feed screw nut (C), and the affixed lathe Z of feed screw nut (C) is to a side of side plate (E), and lathe Z is to the affixed Laser Processing head member of the opposite side of side plate (E) (G).
2. a kind of focal position of laser fast calibrating device according to claim 1 is characterized in that; Said clutch comprises clutch shaft (17), clutch bearing pin (17-1), internal tooth synchronous pulley (18) and clutch gear (19); The all coaxial lumen that is arranged in the internal tooth synchronous pulley (18) of tubular of clutch shaft (17) and clutch gear (19); Power output shaft (16) the coaxial affixed clutch shaft in lower end (17) of speed-changing gear box (13), clutch shaft (17) is fixedly connected an end of clutch bearing pin (17-1), and clutch bearing pin (17-1) other end flexibly connects clutch gear (19) downwards; Internal tooth synchronous pulley (18) is meshed with interior external tooth with clutch gear (19), leaves the gap between clutch shaft (17) and the internal tooth synchronous pulley (18), and internal tooth synchronous pulley (18) outer ring connects band (A) end synchronously.
3. a kind of focal position of laser fast calibrating device according to claim 1 is characterized in that; Said Laser Processing head member (G) comprises probe telescopic rod (8), fairlead (4) and surveys pedestal (3); Probe (1) top is through the affixed probe telescopic rod of screw thread (8) lower end; Probe telescopic rod (8) external series gap is with fairlead (4); The affixed detection pedestal of fairlead (4) (3) is surveyed pedestal (3) and is fixed in the opposite side of lathe Z to side plate (E).
4. a kind of focal position of laser fast calibrating device according to claim 2 is characterized in that; Affixed clutch pull rod (22) upper end in the middle of the said clutch gear (19); Clutch pull rod (22) stage casing connects clutch handle fixed head (24) through plane bearing (21); The lower end of the affixed clutch handle in clutch pull rod (22) lower end (12); Clutch handle (12) passes the groove on the clutch handle fixed head (24) and is articulated in clutch handle fixed head (24) through connector (11); The contact and the clutch gear (19) that are contacted with gauge tap (23) after upwards pull the upper end of clutch handle (12) are in disengagement clutch bearing pin (17-1) position downwards, and gauge tap (23) is electrically connected the PLC control assembly.
5. a kind of focal position of laser fast calibrating device according to claim 3 is characterized in that; Probe telescopic rod (8) left and right sides is symmetrical set a pair of driving lever (5,10) and pair of links (6,9); Driving lever (5,10) stage casing flexibly connects through pin and connecting rod (6,9) lower end; Driving lever (5,10) the hinged detection pedestals in lower end (3), pair of links (6,9) upper end is fixed in the retainer ring (7) that is solidly set on the probe telescopic rod (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120375187 CN202291842U (en) | 2011-09-28 | 2011-09-28 | Rapid centering device for laser focus position |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120375187 CN202291842U (en) | 2011-09-28 | 2011-09-28 | Rapid centering device for laser focus position |
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| Publication Number | Publication Date |
|---|---|
| CN202291842U true CN202291842U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120375187 Expired - Fee Related CN202291842U (en) | 2011-09-28 | 2011-09-28 | Rapid centering device for laser focus position |
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| CN (1) | CN202291842U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380710A (en) * | 2011-09-28 | 2012-03-21 | 江苏大学 | Rapid aligning device for laser focus position |
| CN108780033A (en) * | 2018-04-13 | 2018-11-09 | 深圳达闼科技控股有限公司 | A kind of device that method, detection device and the control of control probe are popped one's head in |
| CN113909680A (en) * | 2021-11-11 | 2022-01-11 | 中国科学院力学研究所 | Internal rotation laser head device |
| CN115488494A (en) * | 2021-06-18 | 2022-12-20 | 中国科学院上海光学精密机械研究所 | Method for confirming focus of ultrafast laser micro-nano processing platform |
-
2011
- 2011-09-28 CN CN 201120375187 patent/CN202291842U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102380710A (en) * | 2011-09-28 | 2012-03-21 | 江苏大学 | Rapid aligning device for laser focus position |
| CN102380710B (en) * | 2011-09-28 | 2014-07-30 | 江苏大学 | Rapid aligning device for laser focus position |
| CN108780033A (en) * | 2018-04-13 | 2018-11-09 | 深圳达闼科技控股有限公司 | A kind of device that method, detection device and the control of control probe are popped one's head in |
| CN115488494A (en) * | 2021-06-18 | 2022-12-20 | 中国科学院上海光学精密机械研究所 | Method for confirming focus of ultrafast laser micro-nano processing platform |
| CN113909680A (en) * | 2021-11-11 | 2022-01-11 | 中国科学院力学研究所 | Internal rotation laser head device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20130928 |