CN105562944A - Cutting head of laser cutting machine - Google Patents
Cutting head of laser cutting machine Download PDFInfo
- Publication number
- CN105562944A CN105562944A CN201610130271.8A CN201610130271A CN105562944A CN 105562944 A CN105562944 A CN 105562944A CN 201610130271 A CN201610130271 A CN 201610130271A CN 105562944 A CN105562944 A CN 105562944A
- Authority
- CN
- China
- Prior art keywords
- fixed
- elevating lever
- focus pack
- cutting head
- support abutment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/38—Removing material by boring or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/04—Automatically aligning, aiming or focusing the laser beam, e.g. using the back-scattered light
- B23K26/046—Automatically focusing the laser beam
Abstract
The invention discloses a cutting head of a laser cutting machine. The cutting head of the laser cutting machine comprises a focusing assembly, a beam expansion assembly fixedly installed on the upper portion of the focusing assembly, a protective device fixedly installed under the focusing assembly, and a cutting nozzle located under the protective device. The focusing assembly comprises a hole closing device. The hole closing device comprises a left hole closing part and a right hole closing part. The left hole closing part comprises a pair of semilunar left hole closing plates and a left rotary shaft, and the left hole closing plates are fixed to the two ends of the left rotary shaft correspondingly. The right hole closing part comprises a pair of semilunar right hole closing plates and a right rotary shaft, and the right hole closing plates are fixed to the two ends of the right rotary shaft correspondingly. The cutting head of the laser cutting machine has the advantages that due to the hole closing device, a focusing lens is effectively protected against contamination when a protective lens is replaced.
Description
Technical field:
The present invention relates to optical-fiber laser cutting machine technical field, in particular to a kind of cutting head on optical-fiber laser cutting machine.
Background technology:
Optical-fiber laser cutting machine utilizes optical-fiber laser generator as the laser cutting machine of light source.It exports the laser beam of high-energy-density by optical fiber laser, focuses on the surface of the workpiece, makes region instant melting that workpiece is irradiated by ultrafine focus hot spot and gasification, realizes surface trimming by numerical controlled machinery system mobile spot irradiation position.Current optical-fiber laser cutting machine is applied to the fields such as high-precision laser processing, laser radar system, space technology and laser medicine gradually.
Optical laser cutting head is the vitals of optical-fiber laser cutting machine, the optical laser cutting head that current middle low power optical-fiber laser cutting machine adopts is circular mostly, its exist volume large, expand the thick heaviness of assembly, focusing component is positioned at lower end, sensor often moves up and down, and causes lathe to demarcate inconvenient problem; And this optical laser cutting head is when focusing to focusing lens, cumbersome; The protective lens of this type of cutting head and focusing lens are installed together in addition, and when changing protective lens, focusing lens is easily polluted, and protection effect is poor.
For solving technique scheme, Authorization Notice No. a kind of miniature fiber cutting head on optical-fiber laser cutting machine that has been the disclosure of the invention of CN204397161U, comprise: focus pack, be installed with above described focus pack and expand assembly, below is installed with protective glass chamber, be installed with sensor below described protective glass chamber, this sensor base is provided with cutting head; The optical fiber head of the described upper end and optical fiber laser that expand assembly is connected; Described focus pack comprises square focusing microscope base, this focusing microscope base inside is installed with focusing lens, its side is fixed with eccentric wheel by lock screw, described eccentric wheel arranged outside has a dial, wherein after expanding assembly, become a branch of directional light from optical fiber head out spot light, be focused into incisory hot spot through focus lamp assembly.Compared with prior art, this invention has the advantages such as volume is little, lathe is demarcated conveniently, focusing is convenient, protective lens is changed easily, focusing lens protection effect is good.Wherein, described protective glass chamber is provided with a cavity, protective glass assembly is installed in this cavity; protective glass chamber is arranged on the below of focus pack; be mainly used to install protective glass assembly, protective glass assembly is arranged in the cavity in protective glass chamber, can be fixed in protective glass chamber from inserting above.
But when protective lens takes out replacing, focusing lens is in unprotect state, is easy to contaminated, thus affects focusing effect.
Be necessary to provide a kind of new technical scheme for above-mentioned technical problem.
Summary of the invention:
The object of the invention is for prior art not enough, provide a kind of when carrying out protective lens and changing, contaminated cutting head can be exempted from by available protecting focusing lens.
For achieving the above object, the invention provides a kind of cutting head of laser cutting machine, comprising focus pack, be fixedly mounted on expanding assembly, be fixedly mounted on protective device below focus pack, be positioned at cutting head below protective device above focus pack; Described focus pack comprises closed pore device; Described closed pore device comprises left close pore part, right close pore part and centre wheel; Described left close pore part comprises a pair semi-moon shaped left closed pore plate and left rotary shaft; Left closed pore plate is separately fixed at left rotary shaft two ends; Described right close pore part comprises a pair semi-moon shaped right closed pore plate and right spindle; Right closed pore plate is separately fixed at the two ends of right spindle; Described centre wheel is fixed with driving lever; Left lateral star-wheel is fixed with in the middle part of described left rotary shaft; Right lateral star-wheel is fixed with in the middle part of described right spindle; Described left lateral star-wheel engages with right lateral star-wheel and centre wheel.
Preferred as technique scheme, described focus pack offers centre wheel mounting groove and the first gap.
Preferred as technique scheme, the cutting head of a kind of laser cutting machine according to claim, described focus pack comprises left lowering or hoisting gear, right lowering or hoisting gear and focusing lens; Left lowering or hoisting gear and right lowering or hoisting gear symmetrical; Described left lowering or hoisting gear comprises a pair left support abutment and left elevating lever; Left elevating lever is plugged in left support abutment; Described left support abutment is fixed on focus pack madial wall; Left elevating lever forms external screw thread; Left elevating lever upper end is passed left support abutment and is fixed with the first gear; First gear and the second gears meshing; Described left elevating lever is arranged with left clamp; Described right lowering or hoisting gear comprises a pair right support abutment and right elevating lever; Right elevating lever is plugged in right support abutment; Described right support abutment is fixed on focus pack madial wall; Described right elevating lever is arranged with right clamp; Described focusing lens by left clamp and right clamp accommodate.
Preferred as technique scheme, described protective device comprises fixed blocks and the cylinder on top; The second gap is offered in the middle part of described cylinder; Protective glass assembly is inserted with in second gap; Described protective glass assembly comprises circular arc type handle, circular arc protective glass bearing and protective lens; Described handle thickness is greater than protective glass bearing; Described protective glass bearing thickness is identical with the second gap height.
Preferred as technique scheme, described protective glass bearing is fixed with elastomeric layer up and down.
Beneficial effect of the present invention is: due to the existence of closed pore device, carry out protective lens change time, can available protecting focusing lens from pollution.
Accompanying drawing illustrates:
Fig. 1 is structural representation view of the present invention;
Fig. 2 is the structural representation view of focus pack 20 of the present invention;
Fig. 3 is the internal structure schematic views of focus pack 20 of the present invention;
Fig. 4 is the structural representation view that the present invention protects assembly 30;
Fig. 5 is the structural representation view of protective glass assembly 50 of the present invention.
In figure, 10, expand assembly; 20, focus pack; 21, centre wheel mounting groove; 22, the first gap; 23, closed pore device; 231, right close pore part; 2311, right spindle; 2312, right closed pore plate; 2313, right lateral star-wheel; 232, left close pore part; 2321, left rotary shaft; 2322, left closed pore plate; 2323, left lateral star-wheel; 237, right lowering or hoisting gear; 2371, right support abutment; 2372, right elevating lever; 2377, right clamp; 238, left lowering or hoisting gear; 2381, left support abutment; 2382, left elevating lever; 2383, the second gear; 2384, the first gear; 2387, left clamp; 239, centre wheel; 2391, driving lever; 24, focusing lens; 30, protective device; 31, the second gap; 40, cutting head; 41, sensor; 50, protective glass assembly; 51, handle; 52, protective glass bearing; 53, protective lens.
Detailed description of the invention:
As described in Fig. 1, Fig. 3, a cutting head for laser cutting machine, comprises focus pack 20, is fixedly mounted on expanding assembly 10, be fixedly mounted on protective device 30 below focus pack 20, be arranged on sensor 41 below protective device 30, be arranged on cutting head 40 bottom sensor 41 above focus pack 20; Described focus pack 20 comprises closed pore device 23; Described closed pore device 23 comprises left close pore part 232, right close pore part 231 and centre wheel 239; Described left close pore part 232 comprises a pair semi-moon shaped left closed pore plate 2322 and left rotary shaft 2321; Left closed pore plate 2322 is separately fixed at left rotary shaft 2321 two ends; Described right close pore part 231 comprises a pair semi-moon shaped right closed pore plate 2312 and right spindle 2311; Right closed pore plate 2312 is separately fixed at the two ends of right spindle 2311; Described centre wheel 239 is fixed with driving lever 2391; Left lateral star-wheel 2323 is fixed with in the middle part of described left rotary shaft 2321; Right lateral star-wheel 2313 is fixed with in the middle part of described right spindle 2311; Described left lateral star-wheel 2323 engages with right lateral star-wheel 2313 and centre wheel 239.
As shown in Figure 2, described focus pack 20 offers centre wheel mounting groove 21 and the first gap 22.
As shown in Figure 3, described focus pack 20 comprises left lowering or hoisting gear 238, right lowering or hoisting gear 237 and focusing lens 24; Left lowering or hoisting gear 238 and right lowering or hoisting gear 237 symmetrical; Described left lowering or hoisting gear 238 comprises a pair left support abutment 2381 and left elevating lever 2382; Left elevating lever 2382 is plugged in left support abutment 2381; Described left support abutment 2381 is fixed on focus pack 20 madial wall; Left elevating lever 2382 forms external screw thread; Left elevating lever 2382 upper end is passed left support abutment 2381 and is fixed with the first gear 2384; First gear 2384 engages with the second gear 2383; Described left elevating lever 2382 is arranged with left clamp 2387; Described right lowering or hoisting gear 237 comprises a pair right support abutment 2371 and right elevating lever 2372; Right elevating lever 2372 is plugged in right support abutment 2371; Described right support abutment 2371 is fixed on focus pack 20 madial wall; Described right elevating lever 2372 is arranged with right clamp 2377; Described focusing lens 24 by left clamp 2387 and right clamp 2377 accommodate.
Shown in institute Fig. 4, Fig. 5, described protective device 30 comprises fixed blocks and the cylinder on top; The second gap 31 is offered in the middle part of described cylinder; Protective glass assembly 50 is inserted with in second gap 31; Described protective glass assembly comprises circular arc type handle 51, circular arc protective glass bearing 52 and protective lens 53; Described handle 51 thickness is greater than protective glass bearing 52; Described protective glass bearing 52 thickness is highly identical with the second gap 31.Described protective glass bearing about 52 is fixed with elastomeric layer.
In practical operation, after expanding assembly 10, a branch of directional light is become from optical fiber head spot light out, then through focus pack 20, this a branch of directional light is just focused into the small spot that meets split requirement, afterwards by regulating left lowering or hoisting gear 238 and the right lowering or hoisting gear 237 of focus pack 30 li, can regulate the upright position of focusing lens 24, thus make focus have different distance from cutting head 40, available positive and negative out of focus just can cut the workpiece of different materials different-thickness; When protective glass assembly 50 needs to change; by operation driving lever 2391, left closed pore plate 2322 and right closed pore plate 2312 are closed light beam hole; focusing lens 24 is in a guard space, then detaches protective glass assembly 50 and change, focusing lens 24 would not be made so contaminated.
Above content is only better embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.
Claims (5)
1. a cutting head for laser cutting machine, the cutting head (40) comprising focus pack (20), be fixedly mounted on the protective device (30) expanding assembly (10), be fixedly mounted on focus pack (20) below of focus pack (20) top, be positioned at protective device (30) below; It is characterized in that: described focus pack (20) comprises closed pore device (23); Described closed pore device (23) comprises left close pore part (232), right close pore part (231) and centre wheel (239); Described left close pore part (232) comprises a pair semi-moon shaped left closed pore plate (2322) and left rotary shaft (2321); Left closed pore plate (2322) is separately fixed at left rotary shaft (2321) two ends; Described right close pore part (231) comprises a pair semi-moon shaped right closed pore plate (2312) and right spindle (2311); Right closed pore plate (2312) is separately fixed at the two ends of right spindle (2311); Described centre wheel (239) is fixed with driving lever (2391); Described left rotary shaft (2321) middle part is fixed with left lateral star-wheel (2323); Described right spindle (2311) middle part is fixed with right lateral star-wheel (2313); Described left lateral star-wheel (2323) is engaged with right lateral star-wheel (2313) and centre wheel (239).
2. the cutting head of a kind of laser cutting machine according to claim 1, is characterized in that: described focus pack (20) offers centre wheel mounting groove (21) and the first gap (22).
3. the cutting head of a kind of laser cutting machine according to claim 1, is characterized in that: described focus pack (20) comprises left lowering or hoisting gear (238), right lowering or hoisting gear (237) and focusing lens (24); Left lowering or hoisting gear (238) and right lowering or hoisting gear (237) symmetrical; Described left lowering or hoisting gear (238) comprises a pair left support abutment (2381) and left elevating lever (2382); Left elevating lever (2382) is plugged in left support abutment (2381); Described left support abutment (2381) is fixed on focus pack (20) madial wall; Left elevating lever (2382) forms external screw thread; Left elevating lever (2382) upper end is passed left support abutment (2381) and is fixed with the first gear (2384); First gear (2384) engages with the second gear (2383); Described left elevating lever (2382) is arranged with left clamp (2387); Described right lowering or hoisting gear (237) comprises a pair right support abutment (2371) and right elevating lever (2372); Right elevating lever (2372) is plugged in right support abutment (2371); Described right support abutment (2371) is fixed on focus pack (20) madial wall; Described right elevating lever (2372) is arranged with right clamp (2377); Described focusing lens (24) by left clamp (2387) and right clamp (2377) accommodate.
4. the cutting head of a kind of laser cutting machine according to claim 1, is characterized in that: described protective device (30) comprises fixed blocks and the cylinder on top; The second gap (31) is offered in the middle part of described cylinder; Protective glass assembly (50) is inserted with in second gap (31); Described protective glass assembly comprises circular arc type handle (51), circular arc protective glass bearing (52) and protective lens (53); Described handle (51) thickness is greater than protective glass bearing (52); Described protective glass bearing (52) thickness is highly identical with the second gap (31).
5. the cutting head of a kind of laser cutting machine according to claim 4, is characterized in that: described protective glass bearing (52) is fixed with elastomeric layer up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610130271.8A CN105562944B (en) | 2016-03-08 | 2016-03-08 | A kind of cutting head of laser cutting machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610130271.8A CN105562944B (en) | 2016-03-08 | 2016-03-08 | A kind of cutting head of laser cutting machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105562944A true CN105562944A (en) | 2016-05-11 |
| CN105562944B CN105562944B (en) | 2017-06-13 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610130271.8A Expired - Fee Related CN105562944B (en) | 2016-03-08 | 2016-03-08 | A kind of cutting head of laser cutting machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105562944B (en) |
Citations (11)
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| US3265855A (en) * | 1963-04-01 | 1966-08-09 | Gen Electric | Method and apparatus for drilling small holes |
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| US20110108532A1 (en) * | 2009-11-09 | 2011-05-12 | Canon Kabushiki Kaisha | Laser processing method |
| CN201988842U (en) * | 2010-12-24 | 2011-09-28 | 深圳市大族激光科技股份有限公司 | Optical laser cutting head |
| CN103252574A (en) * | 2013-06-06 | 2013-08-21 | 济南铸造锻压机械研究所有限公司 | Automatic focusing cutting head device of pipe cutter |
| CN204035802U (en) * | 2014-09-23 | 2014-12-24 | 深圳市万顺兴科技有限公司 | A kind of protective glass assembly for optical-fiber laser |
| CN204397173U (en) * | 2015-01-23 | 2015-06-17 | 深圳市万顺兴科技有限公司 | A kind of dual-purpose laser cutting head |
| CN204584548U (en) * | 2015-03-31 | 2015-08-26 | 苏州汇能激光科技有限公司 | A kind of optical-fiber laser self-adapting focusing laser cutting head |
| CN204934884U (en) * | 2015-09-09 | 2016-01-06 | 深圳欧斯普瑞智能科技有限公司 | A kind of novel optical fiber laser cutting head with alignment function |
| CN205520105U (en) * | 2016-03-08 | 2016-08-31 | 浙江乔兴建设集团湖州智能科技有限公司 | Cutting head of laser cutting machine |
-
2016
- 2016-03-08 CN CN201610130271.8A patent/CN105562944B/en not_active Expired - Fee Related
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3265855A (en) * | 1963-04-01 | 1966-08-09 | Gen Electric | Method and apparatus for drilling small holes |
| DE102009017900A1 (en) * | 2009-04-17 | 2010-10-28 | Precitec Kg | Laser processing head for hard soldering or welding by laser beam, comprises a housing in which a focusing optic for working laser beam is arranged, a wire routing head of a wire routing device holding in the housing, and a camera |
| US20110108532A1 (en) * | 2009-11-09 | 2011-05-12 | Canon Kabushiki Kaisha | Laser processing method |
| CN201552384U (en) * | 2009-11-25 | 2010-08-18 | 深圳市大族激光科技股份有限公司 | Laser cutting head |
| CN201988842U (en) * | 2010-12-24 | 2011-09-28 | 深圳市大族激光科技股份有限公司 | Optical laser cutting head |
| CN103252574A (en) * | 2013-06-06 | 2013-08-21 | 济南铸造锻压机械研究所有限公司 | Automatic focusing cutting head device of pipe cutter |
| CN204035802U (en) * | 2014-09-23 | 2014-12-24 | 深圳市万顺兴科技有限公司 | A kind of protective glass assembly for optical-fiber laser |
| CN204397173U (en) * | 2015-01-23 | 2015-06-17 | 深圳市万顺兴科技有限公司 | A kind of dual-purpose laser cutting head |
| CN204584548U (en) * | 2015-03-31 | 2015-08-26 | 苏州汇能激光科技有限公司 | A kind of optical-fiber laser self-adapting focusing laser cutting head |
| CN204934884U (en) * | 2015-09-09 | 2016-01-06 | 深圳欧斯普瑞智能科技有限公司 | A kind of novel optical fiber laser cutting head with alignment function |
| CN205520105U (en) * | 2016-03-08 | 2016-08-31 | 浙江乔兴建设集团湖州智能科技有限公司 | Cutting head of laser cutting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105562944B (en) | 2017-06-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Rong Chao Inventor before: Ye Weiran |
|
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20170407 Address after: 523965 Guangdong province Houjie town of Dongguan City, Kaifeng village YUENENG Technology Industrial City Applicant after: Dongguan City Han laser mechanical equipment Co., Ltd. Address before: Yang Shu Lu Wuxing District 313000 Zhejiang city of Huzhou province No. 18 Applicant before: ZHEJIANG QIAOXING CONSTRUCTION GROUP HUZHOU INTELLIGENT TECHNOLOGY CO., LTD. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170613 Termination date: 20190308 |