CN204108522U - A kind of lens fixing apparatus of laser cutting head - Google Patents
A kind of lens fixing apparatus of laser cutting head Download PDFInfo
- Publication number
- CN204108522U CN204108522U CN201420550078.6U CN201420550078U CN204108522U CN 204108522 U CN204108522 U CN 204108522U CN 201420550078 U CN201420550078 U CN 201420550078U CN 204108522 U CN204108522 U CN 204108522U
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- CN
- China
- Prior art keywords
- mounting cylinder
- eyeglass mounting
- protective glass
- fixing apparatus
- retaining ring
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Abstract
A lens fixing apparatus for laser cutting head, relates to laser process equipment technical field, comprises eyeglass mounting cylinder, lower eyeglass mounting cylinder and Lens assembly, and the lower end of described upper eyeglass mounting cylinder and the upper end of lower eyeglass mounting cylinder are threaded connection; Upper eyeglass mounting cylinder and lower eyeglass mounting cylinder are equipped with internal thread, and the top of described internal thread is provided with convex; Described Lens assembly is provided with external screw thread, and Lens assembly is installed on the inner side of upper eyeglass mounting cylinder or the inner side of lower eyeglass mounting cylinder by external screw thread, and the lower end of the upper end of Lens assembly and corresponding convex offsets.The utility model lens fixing apparatus, not only eyeglass is installed firmly, convenient disassembly, good cooling results, can also exchange eyeglass installation site flexibly.
Description
Technical field
The utility model relates to laser process equipment technical field, is specifically a kind of lens fixing apparatus of laser cutting head.
Background technology
Laser cutting is the laser focusing bundle scanning material surface utilizing high power density, in very short time by heating materials to several thousand even up to ten thousand degrees Celsius, make material instant melting or vaporization, then with gases at high pressure, fusing or vaporization material are blown away from joint-cutting, thus reach the object of cutting material.Due to laser cutting, to have cutting speed fast, the advantages such as production efficiency is high, and cutting end face quality is good, become one of main sheet metal cutting mode, obtained and apply more and more widely.
Laser cutting head generally comprises: protect the anticollision device, collision-prevention device of cutting head, place the lens fixing apparatus of cut-off lens, the adjustable diameter and screw adjusting mechanism of manual adjustments focal length and the cutting head front end for Laser output.This few part connects from top to bottom in turn, and their axial centre is positioned on same axis.At present, existing lens fixing apparatus many employings double-drawer type mirror-seat structure, focus lamp and protective glass can be arranged in the drawer type microscope base that to be inserted into by opening in mirror chamber.Although the microscope base of this structure solves the problem of eyeglass dismounting difficulty, microscope base, after dismounting, installing, easily causes eyeglass to fix the problems such as insecure, focus center departs from.Therefore, all must readjust focus center position after each dismounting, workload is comparatively large, and operating efficiency is lower.In addition, because the position of drawer type microscope base is fixed, the position of installed focus lamp and protective glass also cannot be changed, when work metal sheet metal thickness is excessive, quick adjustment eyeglass focal length cannot be carried out by adjustment eyeglass installation site, use dumb.
Utility model content
For the defect existed in prior art, the purpose of this utility model is the lens fixing apparatus providing a kind of laser cutting head, and not only eyeglass is installed firmly, convenient disassembly, good cooling results, can also exchange eyeglass installation site flexibly.
For reaching above object, the technical scheme that the utility model is taked is: the lens fixing apparatus providing a kind of laser cutting head, comprise eyeglass mounting cylinder, lower eyeglass mounting cylinder and Lens assembly, the lower end of described upper eyeglass mounting cylinder and the upper end of lower eyeglass mounting cylinder are threaded connection; Upper eyeglass mounting cylinder and lower eyeglass mounting cylinder are equipped with internal thread, and the top of described internal thread is provided with convex; Described Lens assembly is provided with external screw thread, and Lens assembly is installed on the inner side of upper eyeglass mounting cylinder or the inner side of lower eyeglass mounting cylinder by external screw thread, and the lower end of the upper end of Lens assembly and corresponding convex offsets.
On the basis of technique scheme, described Lens assembly comprises focus lamp, focus lamp retaining ring, protective glass and protective glass retaining ring; Described focus lamp retaining ring is provided with external screw thread, and upper end is provided with step, and the upper end of described step and the lower end of focus lamp offset, and the lower end of described step and the upper end of protective glass offset; Described protective glass retaining ring is connected by the madial wall of screw thread with focus lamp retaining ring, and the upper end of protective glass retaining ring and protective glass lower end offset.
On the basis of technique scheme, the madial wall of described focus lamp retaining ring is provided with multiple vertical slot, and the upper and lower space of protective glass is communicated with by described multiple vertical slot.
On the basis of technique scheme, between the step of described focus lamp and focus lamp retaining ring, between described protective glass and protective glass retaining ring, be equipped with plastic mattress.
On the basis of technique scheme, the position that each convex and Lens assembly offset is provided with sealing ring.
On the basis of technique scheme, described upper eyeglass mounting cylinder and lower eyeglass mounting cylinder are equipped with cooling-water duct, and described cooling-water duct is arranged near corresponding convex.
On the basis of technique scheme, described cooling-water duct comprises water inlet and delivery port, and described water inlet and delivery port are located at corresponding upper eyeglass mounting cylinder sidewall, lower eyeglass mounting cylinder sidewall.
On the basis of technique scheme, the lower end of described cooling-water duct is provided with cooling water fluid sealant and cooling water sealing ring successively.
On the basis of technique scheme, between described upper eyeglass mounting cylinder and lower eyeglass mounting cylinder, be provided with mounting cylinder sealing ring.
The beneficial effects of the utility model are:
1, in the utility model lens fixing apparatus, each parts all adopt and are threaded, and dismantle convenient, and only need a manual teardown Lens assembly, focus lamp and protective glass can be removed simultaneously, convenience and high-efficiency, reduce the workload brought because of dismounting eyeglass.In addition, the madial wall of upper eyeglass mounting cylinder and the madial wall of lower eyeglass mounting cylinder are equipped with the convex offseted with Lens assembly, well can fix Lens assembly; And Lens assembly according to the thickness of work metal sheet material, can be exchanged eyeglass installation site, can select to be installed on the inner side of eyeglass mounting cylinder or the inner side of lower eyeglass mounting cylinder, use more flexible flexibly.
2, in the utility model lens fixing apparatus, upper eyeglass mounting cylinder and lower eyeglass mounting cylinder are equipped with cooling-water duct.This cooling-water duct is arranged near corresponding convex, comprises water inlet and delivery port, can form water circulation and carry out water cooling to focus lamp; not only cooling is even, good cooling results; and improve cooling effectiveness, can better focus lamp be protected, extend the service life of focus lamp.
3, the utility model lens fixing apparatus is by the design of Lens assembly, focus lamp and protective glass is combined, and it is simple, convenient to install, and it is little to take up room.And; plastic mattress is equipped with between focus lamp and focus lamp retaining ring, between protective glass and protective glass retaining ring; this plastic mattress can play a protective role to focus lamp, protective glass, prevents in eyeglass installation process, causes damage because retaining ring is installed firmly excessive to eyeglass.In addition; the madial wall of focus lamp retaining ring is also provided with vertical slot especially; the upper and lower space of protective glass is communicated with by described vertical slot; form gas channel; the air pressure balance up and down of protective glass can be made; avoiding in cutting process because injecting gases at high pressure, making the protective glass of thinner thickness uneven and damaged because bearing air pressure.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model lens fixing apparatus;
Fig. 2 is the exploded view of Fig. 1;
Fig. 3 is the profile of Fig. 1 along A-A ' direction;
Fig. 4 is the schematic diagram after Fig. 3 adjusts Lens assembly;
Fig. 5 is the profile of Fig. 1 along B-B ' direction.
Reference numeral:
The upper eyeglass mounting cylinder of 1-; Eyeglass mounting cylinder under 2-; 3-Lens assembly, 31-focus lamp, 32-focus lamp retaining ring, 33-protective glass, 34-protective glass retaining ring; 4-convex; 5-step; 6-vertical slot; 7-plastic mattress; 8-sealing ring; 9-cooling-water duct, 91-water inlet, 92-delivery port; 10-cooling water fluid sealant; 11-cooling water sealing ring; 12-mounting cylinder sealing ring.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in further detail.
As shown in Figure 1 to Figure 3, the utility model provides a kind of lens fixing apparatus of laser cutting head, comprise eyeglass mounting cylinder 1, lower eyeglass mounting cylinder 2 and Lens assembly 3, the lower end of described upper eyeglass mounting cylinder 1 and the upper end of lower eyeglass mounting cylinder 2 are threaded connection.Upper eyeglass mounting cylinder 1 and lower eyeglass mounting cylinder 2 are equipped with internal thread, and the top of described internal thread is provided with convex 4.Described Lens assembly 3 is provided with external screw thread, and Lens assembly 3 is installed on the inner side of upper eyeglass mounting cylinder 1 or the inner side of lower eyeglass mounting cylinder 2 by external screw thread, and the lower end of the upper end of Lens assembly 3 and corresponding convex 4 offsets.The position that Lens assembly 3 and corresponding convex 4 offset is provided with soft sealing ring 8, not only better tightness, and can also play insulation blocking effect between the convex 4 of hard, Lens assembly 3, avoids lens damage.All adopt between upper eyeglass mounting cylinder 1 of the present utility model, lower eyeglass mounting cylinder 2 and Lens assembly 3 and be threaded; firm, convenient disassembly is installed; and only need a manual teardown Lens assembly 3; focus lamp 31 and protective glass 33 can be removed simultaneously; convenience and high-efficiency, decreases the workload brought because of dismounting eyeglass.In addition, the madial wall of upper eyeglass mounting cylinder 1 and the madial wall of lower eyeglass mounting cylinder 2 are equipped with the convex 4 offseted with Lens assembly 3, can carry out good spacing fixing to Lens assembly 3.In addition, because upper eyeglass mounting cylinder 1 and lower eyeglass mounting cylinder 2 are equipped with internal thread, therefore according to the thickness of work metal sheet material, the installation site of Lens assembly 3 can be exchanged flexibly.As shown in Figure 3, Figure 4, can select Lens assembly 3 to be installed on the inner side of upper eyeglass mounting cylinder 1 or the inner side of lower eyeglass mounting cylinder 2, use more flexible.
As shown in Figures 2 and 3, described Lens assembly 3 comprises focus lamp 31, focus lamp retaining ring 32, protective glass 33 and protective glass retaining ring 34.Described focus lamp retaining ring 32 is provided with external screw thread, for being connected with the inner side of upper eyeglass mounting cylinder 1 or the inner side of lower eyeglass mounting cylinder 2.The upper end of described focus lamp retaining ring 32 is provided with step 5, and the upper end of described step 5 and the lower end of focus lamp 31 offset, and the lower end of described step 5 and the upper end of protective glass 33 offset; Described protective glass retaining ring 34 is connected by the madial wall of screw thread with focus lamp retaining ring 32, and the upper end of protective glass retaining ring 34 and protective glass 33 lower end offset.By convex 4 and focus lamp retaining ring 32, focus lamp 31 is locked; Be locked by protective glass 33 by step 5 and protective glass retaining ring 34, structure is simple, easy for installation, and it is little to take up room.In addition, in order to better protect focus lamp 31 and protective glass 33, between described focus lamp 31 and the step 5 of focus lamp retaining ring 32, between protective glass 33 and protective glass retaining ring 34, be equipped with plastic mattress 7, this plastic mattress 7 can prevent in eyeglass installation process, causes damage because retaining ring is installed firmly excessive to eyeglass; The madial wall of described focus lamp retaining ring 32 is provided with multiple vertical slot 6; the upper and lower space of protective glass 33 is communicated with by described multiple vertical slot 6; and form gas channel; the air pressure balance up and down of protective glass 33 can be made; avoiding in cutting process because injecting gases at high pressure, making the protective glass 33 of thinner thickness uneven and damaged because bearing air pressure.
Due in the cutting process of sheet metal, sheet metal can be heated to several thousand even up to ten thousand degrees Celsius in very short time, therefore the bulk temperature of laser cutting head can be very high.As shown in Figures 1 to 4, in order to the temperature of focus lamp 31 can be reduced to a certain extent, avoid Yin Wendu too high and cause the damage of focus lamp 31, described upper eyeglass mounting cylinder 1 and lower eyeglass mounting cylinder 2 are equipped with cooling-water duct 9, and described cooling-water duct 9 is arranged near corresponding convex 4.As shown in Figure 5, described cooling-water duct 9 comprises water inlet 91 and delivery port 92, and described water inlet 91 and delivery port 92 are located at corresponding upper eyeglass mounting cylinder 1 sidewall, lower eyeglass mounting cylinder 2 sidewall.This cooling-water duct 9 can form water circulation and carry out water cooling to focus lamp 31, and not only cooling is even, good cooling results, and improves cooling effectiveness, can better protect focus lamp, extend the service life of focus lamp.
In the present embodiment, the lower end of described cooling-water duct 9 is provided with the cooling water fluid sealant 10 of preventing water leakage successively and strengthens the cooling water sealing ring 11 of sealing, be threaded connection between cooling water sealing ring 11 and upper eyeglass mounting cylinder 1, lower eyeglass mounting cylinder 2, can be for convenience detach, be beneficial to and change cooling water fluid sealant 10.In addition, in order to strengthen the sealing between upper eyeglass mounting cylinder 1 and lower eyeglass mounting cylinder 2, between upper eyeglass mounting cylinder 1 and lower eyeglass mounting cylinder 2, mounting cylinder sealing ring 12 is provided with; In order to strengthen the sealing that other devices of this lens fixing apparatus and lower end are connected, be also provided with mounting cylinder sealing ring 12 in the lower end of lower eyeglass mounting cylinder 2.
The utility model is not only confined to above-mentioned preferred forms; anyone can draw other various forms of products under enlightenment of the present utility model; no matter but any change is done in its shape or structure; every have identical with the utility model or akin technical scheme, all within its protection domain.
Claims (9)
1. the lens fixing apparatus of a laser cutting head, it is characterized in that: comprise eyeglass mounting cylinder (1), lower eyeglass mounting cylinder (2) and Lens assembly (3), the described lower end of upper eyeglass mounting cylinder (1) and the upper end of lower eyeglass mounting cylinder (2) are threaded connection; Upper eyeglass mounting cylinder (1) and lower eyeglass mounting cylinder (2) are equipped with internal thread, and the top of described internal thread is provided with convex (4); Described Lens assembly (3) is provided with external screw thread, Lens assembly (3) is installed on the inner side of upper eyeglass mounting cylinder (1) or the inner side of lower eyeglass mounting cylinder (2) by external screw thread, and the lower end of the upper end of Lens assembly (3) and corresponding convex (4) offsets.
2. the lens fixing apparatus of laser cutting head as claimed in claim 1, is characterized in that: described Lens assembly (3) comprises focus lamp (31), focus lamp retaining ring (32), protective glass (33) and protective glass retaining ring (34); Described focus lamp retaining ring (32) is provided with external screw thread, upper end is provided with step (5), the upper end of described step (5) and the lower end of focus lamp (31) offset, and the lower end of described step (5) and the upper end of protective glass (33) offset; Described protective glass retaining ring (34) is connected by the madial wall of screw thread with focus lamp retaining ring (32), and the upper end of protective glass retaining ring (34) and protective glass (33) lower end offset.
3. the lens fixing apparatus of laser cutting head as claimed in claim 2; it is characterized in that: the madial wall of described focus lamp retaining ring (32) is provided with multiple vertical slot (6), the upper and lower space of protective glass (33) is communicated with by described multiple vertical slot (6).
4. the lens fixing apparatus of laser cutting head as claimed in claim 2, is characterized in that: between the step (5) of described focus lamp (31) and focus lamp retaining ring (32), be equipped with plastic mattress (7) between described protective glass (33) and protective glass retaining ring (34).
5. the lens fixing apparatus of laser cutting head as claimed in claim 1, is characterized in that: the position that each convex (4) and Lens assembly (3) offset is provided with sealing ring (8).
6. the lens fixing apparatus of laser cutting head as claimed in claim 1, it is characterized in that: described upper eyeglass mounting cylinder (1) and lower eyeglass mounting cylinder (2) are equipped with cooling-water duct (9), described cooling-water duct (9) is arranged near corresponding convex (4).
7. the lens fixing apparatus of laser cutting head as claimed in claim 6, it is characterized in that: described cooling-water duct (9) comprises water inlet (91) and delivery port (92), described water inlet (91) and delivery port (92) are located at corresponding upper eyeglass mounting cylinder (1) sidewall, lower eyeglass mounting cylinder (2) sidewall.
8. the lens fixing apparatus of laser cutting head as claimed in claim 6, is characterized in that: the lower end of described cooling-water duct (9) is provided with cooling water fluid sealant (10) and cooling water sealing ring (11) successively.
9. the lens fixing apparatus of the laser cutting head according to any one of claim 1 to 8, is characterized in that: be provided with mounting cylinder sealing ring (12) between described upper eyeglass mounting cylinder (1) and lower eyeglass mounting cylinder (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420550078.6U CN204108522U (en) | 2014-09-23 | 2014-09-23 | A kind of lens fixing apparatus of laser cutting head |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201420550078.6U CN204108522U (en) | 2014-09-23 | 2014-09-23 | A kind of lens fixing apparatus of laser cutting head |
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Publication Number | Publication Date |
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CN204108522U true CN204108522U (en) | 2015-01-21 |
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ID=52325880
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CN201420550078.6U Expired - Fee Related CN204108522U (en) | 2014-09-23 | 2014-09-23 | A kind of lens fixing apparatus of laser cutting head |
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CN (1) | CN204108522U (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107167406A (en) * | 2017-07-10 | 2017-09-15 | 西石(厦门)科技有限公司 | A kind of preceding scattering dust instrument optical system based on light cone |
CN109623173A (en) * | 2019-01-31 | 2019-04-16 | 大族激光科技产业集团股份有限公司 | Laser cutting head and laser cutting device |
CN110961786A (en) * | 2019-12-26 | 2020-04-07 | 武汉一本光电有限公司 | Multiband laser welding head |
CN112453734A (en) * | 2020-12-02 | 2021-03-09 | 赛泰激光技术(上海)有限公司 | Laser protection lens convenient to assembly |
-
2014
- 2014-09-23 CN CN201420550078.6U patent/CN204108522U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107167406A (en) * | 2017-07-10 | 2017-09-15 | 西石(厦门)科技有限公司 | A kind of preceding scattering dust instrument optical system based on light cone |
CN109623173A (en) * | 2019-01-31 | 2019-04-16 | 大族激光科技产业集团股份有限公司 | Laser cutting head and laser cutting device |
CN110961786A (en) * | 2019-12-26 | 2020-04-07 | 武汉一本光电有限公司 | Multiband laser welding head |
CN112453734A (en) * | 2020-12-02 | 2021-03-09 | 赛泰激光技术(上海)有限公司 | Laser protection lens convenient to assembly |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
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: 20150121 Termination date: 20200923 |