CN220427133U - Laser processing head for coaxial wire feeding and material adding - Google Patents
Laser processing head for coaxial wire feeding and material adding Download PDFInfo
- Publication number
- CN220427133U CN220427133U CN202321802698.XU CN202321802698U CN220427133U CN 220427133 U CN220427133 U CN 220427133U CN 202321802698 U CN202321802698 U CN 202321802698U CN 220427133 U CN220427133 U CN 220427133U
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- lens group
- focusing
- processing head
- laser processing
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- 238000012545 processing Methods 0.000 title claims abstract description 19
- 239000000463 material Substances 0.000 title claims abstract description 17
- 230000003287 optical effect Effects 0.000 claims abstract description 35
- 238000012423 maintenance Methods 0.000 claims abstract description 20
- 238000005491 wire drawing Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 12
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 6
- 238000010168 coupling process Methods 0.000 claims description 6
- 238000005859 coupling reaction Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000003674 animal food additive Substances 0.000 claims description 5
- 239000000498 cooling water Substances 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000005253 cladding Methods 0.000 abstract description 10
- 238000013461 design Methods 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000003638 chemical reducing agent Substances 0.000 description 8
- 238000004372 laser cladding Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 238000010146 3D printing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model discloses a laser processing head for coaxial wire feeding and material adding, which comprises a supporting and connecting mechanism, a wire drawing mechanism and an optical focusing mechanism, wherein the optical focusing mechanism comprises an optical component base and a plurality of lens group manual tilting tables arranged on the optical component base: the optical assembly base is provided with a guide wire channel for the guide wire to pass through and a lens group channel for accommodating a plurality of lens group manual tilting tables; the manual tilting table of the lens group comprises a collimation focusing lens group and an adjusting mechanism, wherein the adjusting mechanism is used for focusing the laser beam; compared with the conventional common single-light-path coaxial wire feeding cladding laser head, the scheme of the utility model avoids more complex light path design, and adopts a plurality of groups of low-power light beams to synthesize a beam for heating wires; compared with the prior art, the device has higher flexibility, and the later maintenance operation is simpler and the maintenance cost is lower; in addition, the two-dimensional manual tilting table is used for focusing multiple laser beams, so that convenience and reliability are realized.
Description
Technical Field
The utility model relates to the field of laser cladding, in particular to a laser processing head for coaxial wire feeding and material adding.
Background
With the continuous development of laser technology, the application of laser technology has been very widespread. Common processing techniques are laser welding, laser cladding, laser cleaning, laser strengthening, and the like. Laser 3D printing, namely laser material adding, belongs to one of laser cladding, and is realized by melting metal powder or wire material through a high-energy laser beam to form molten drops, and then naturally solidifying, cooling and forming. The two forms are basically similar, and the only difference is that the wire feeding cladding material increase has obvious advantages compared with powder feeding cladding material increase in the utilization rate of the material increase; the design is also a special laser processing head for material increase designed for wire feeding cladding.
The initial wire feeding laser cladding technology is generally in a paraxial wire feeding form, which results in a larger influence of the wire feeding technology on the morphology of the laser cladding layer. Such as wire feed speed, wire feed direction, wire feed angle, wire feed position, shielding gas flow rate, etc. In particular, the inaccuracy of the coupling of the optical fiber caused by the wire feeding direction, angle and position can have a great influence on the quality of the cladding surface. Therefore, a coaxial wire feeding cladding mode appears later, and the method is to transform the original conical focusing beam into a circular ring conical focusing beam by modifying the optical path so as to achieve beam hollowness, and set a guide nozzle coaxial with the axis of the laser beam in the hollow area of the circular beam so as to convey the metal wire along the direction of the central line of the laser beam and realize coaxial wire feeding in the light. This means that there is more free cladding than paraxial, which means that there is greater flexibility than paraxial wire feed cladding. However, there are drawbacks in that the laser processing head is expensive to manufacture, and the subsequent maintenance and replacement are troublesome because of its unique optical path structure, which generally needs to be customized for solving the problem.
Therefore, in order to solve the problem, the utility model specifically prepares the special laser processing head for coaxial wire feeding and material adding, which is used for solving the problems of inconvenient maintenance, high maintenance cost and the like in the prior art.
Disclosure of Invention
The present utility model provides a laser processing head for in-line wire feed additive that solves at least one of the problems noted in the background.
The utility model provides a laser processing head for coaxial wire feeding vibration material disk, includes support coupling mechanism, wire drawing mechanism and optics mechanism of focusing all install in on the support coupling mechanism, optics mechanism of focusing includes optical subassembly base and sets up a plurality of mirror group manual tilt table on the optical subassembly base:
the optical assembly base is provided with a guide wire channel for a guide wire to pass through and a lens group channel for accommodating a plurality of lens group manual tilting tables;
the manual tilting table of the lens group comprises a collimation focusing lens group and an adjusting mechanism, and the adjusting mechanism is used for focusing laser beams.
Preferably, the adjusting mechanism includes:
the inclined fixing plate is fixedly arranged on the optical component base;
the inclined swinging plate is positioned below the inclined fixing plate and is connected with the inclined fixing plate through a connecting piece;
a connector comprising at least one tension spring;
adjusting screw and adjusting nut, adjusting nut is fixed to be set up on the slope fixed plate, and adjusting screw is located adjusting nut and its tip can be with the contact of slope swing board.
Preferably, the collimating and focusing lens group comprises a collimating lens group, a focusing lens group and a protecting lens, wherein the collimating lens group is arranged between the inclined fixing plate and the inclined swinging plate, and the focusing lens group is arranged at the lower side of the inclined swinging plate.
Preferably, a supporting member is provided on the upper side of the tilt swing plate or the lower side of the tilt fixing plate.
Preferably, the supporting member is a rotary steel ball.
Preferably, the upper side of the inclined fixing plate is provided with a sealing cover, the sealing cover is used for sealing the cooling water tank arranged on the upper side surface of the inclined fixing plate, and the sealing cover is provided with two through quick inserts.
Preferably, a guide wire clamping mechanism is arranged in the guide wire channel, and the guide wire clamping mechanism comprises:
the guide wire tube clamping seat is fixedly arranged in the guide wire channel;
the guide wire pipe is fixedly locked on the guide wire pipe clamping seat;
the fixed socket is fixedly arranged in the guide wire channel and used for fixing the guide wire tube, and the bottom end of the fixed socket is connected with the guide wire nozzle.
Preferably, the optical assembly base is provided with a plurality of maintenance cavities corresponding to the manual tilting tables of the plurality of lens groups one by one, and the optical assembly base is fixedly provided with a maintenance cover plate for closing the openings of the maintenance cavities.
Compared with the prior art, the utility model has the beneficial effects that: compared with the conventional common single-light-path coaxial wire feeding cladding laser head, the scheme of the utility model avoids more complex light path design, and adopts a plurality of groups of low-power light beams to synthesize a beam for heating wires; compared with the prior art, the device has higher flexibility, and the later maintenance operation is simpler and the maintenance cost is lower;
the two-dimensional manual tilting table is used for focusing multiple laser beams, so that convenience and reliability are realized.
Drawings
FIG. 1 is an exploded view of an optical focusing mechanism according to the present utility model;
FIG. 2 is an exploded view of a manual tilt table of the lens assembly of the present utility model;
FIG. 3 is an exploded view of the support attachment mechanism of the present utility model;
FIG. 4 is an exploded view of the drawing mechanism of the present utility model;
fig. 5 is a schematic diagram of the overall structure of the present utility model.
Reference numerals illustrate:
1. the speed reducer fixing seat, 2, an integrated stepping motor, 3, a speed reducer, 4, a conversion shaft, 5, a guide wire bracket fixing seat, 6, a double-drive wire feeding bracket, 7, an active wire feeding gear, 8, an active wire feeding gear pressing block, 9, a shielding gas quick plug, 10, a soft and hard switching quick plug, 11, a guide wire pipe clamping seat, 12, a guide wire pipe, 13, a mirror group manual inclined table, 14, an optical component base, 15, a maintenance cover plate, 16, a fixed socket, 17, a guide wire nozzle, 18, a straight quick plug, 19, an adjusting screw, 20, an adjusting nut, 21, a cover plate, 22, an inclined fixed plate, 23, a collimating mirror group, 24 tension springs, 25, rotating steel balls, 26, an inclined swinging plate, 27, a tensioning pin, 28, a focusing mirror group, 29, a wire inlet corrugated pipe, 30, a shield wire inlet cover plate, 31, an upper shield, 32, an upper shield maintenance cover plate, 33, an upper shield lower shield plate, 34, a wire passing plate, 35, a wire passing rubber ring, 36, a connecting support seat, 37, a lower shield plate, 38, a lower shield plate, a connecting end 39, a connecting end 40, a connecting flange, a first connecting end, a connecting flange, a second connecting end and a flange, a connecting end, a flange, and a second connecting end, and a flange, 41.
Detailed Description
One embodiment of the present utility model will be described in detail below with reference to the attached drawings, but it should be understood that the scope of the present utility model is not limited by the embodiment.
As shown in fig. 1 to 5, a laser processing head for coaxial wire feeding and material adding provided by an embodiment of the present utility model includes three major parts: the optical focusing device comprises a wire drawing mechanism, an optical focusing mechanism and a support connecting mechanism;
the wire drawing mechanism adopts a vertical double-drive wire feeding bracket 6 which is common in the market and is arranged on a wire guide bracket fixing seat 5 through a screw, the wire guide bracket fixing seat 5 is fixed on a speed reducer 3 through a screw, the speed reducer 3 is fixed on a speed reducer fixing seat 1 through a screw, the speed reducer fixing seat 1 is fixed on an installation bottom plate 42 of a supporting and connecting mechanism through a screw to complete the fixation of the whole wire drawing mechanism, and an integrated stepping motor 2 is in transmission connection with the speed reducer 3;
the driving wire feeding gear 7 plays a driving role and is fixed on the output shaft of the speed reducer 3 through a screw, a conversion shaft 4 and a driving wire feeding gear pressing block 8;
the optical focusing mechanism is the core of the scheme, in the embodiment, 6 groups of manual tilting tables 13 are taken as an example, and the 6 groups of manual tilting tables 13 are divided into two groups and are distributed on the optical component base 14 by screws according to equal division; the optical assembly base 14 is provided with a guide wire channel for the guide wire to pass through and a lens group channel for accommodating a plurality of lens group manual tilting tables 13; a guide wire clamping mechanism is arranged in the guide wire channel and comprises a guide wire pipe clamping seat 11, a guide wire pipe 12 and a fixed socket 16;
the guide wire tube clamping seat 11 is arranged at the upper inlet of the optical component base 14 through a screw and plays a role in clamping the guide wire tube 12; the soft and hard switching quick plug 10 of the wire guide tube 12 is locked on the wire guide tube clamping seat 11 through a nut of the quick plug, so that the effect of fixing the wire guide tube is achieved; the fixed socket 16 is arranged in the lower outlet of the optical assembly base 14 through a screw, plays a role in assisting in positioning the wire guide tube 12, and prevents the wire guide tube 12 from deviating and being different from the optical assembly base 14; the wire guide nozzle 17 is screwed on the wire guide tube 12 through self threads, is matched with the fed wire and needs to be replaced according to the wire diameter of the wire, so that the concentricity of the wire outlet end of the wire and the wire guide tube 12 is ensured; the protective gas quick plug 9 is arranged on the wire guide tube clamping seat 11, can be externally connected with protective gas to carry out gas protection on the cladding process, and can also prevent the pollution of the protective lenses of the lens group;
the manual tilting table 13 of the lens group comprises a collimation focusing lens group and an adjusting mechanism, and the adjusting mechanism is used for focusing the laser beam;
the optical assembly base 14 is provided with 6 maintenance cavities corresponding to the 6 manual tilting tables 13 of the lens group one by one, the optical assembly base 14 is fixedly provided with a maintenance cover plate 15 for closing the opening of the maintenance cavity, and the protective lens can be replaced when opened;
the adjusting mechanism comprises an inclined fixing plate 22, an inclined swinging plate 26, a connecting piece, an adjusting screw 19 and an adjusting nut 20, wherein the adjusting screw 19 is positioned in the adjusting nut 20, and the end part of the adjusting screw 19 can be contacted with the inclined swinging plate 26;
the inclined fixing plate 22 is mounted on the optical assembly base 14 through screws, the adjusting nut 20 is bonded with the inclined fixing plate 22 through glue, the adjusting screw 19 is matched with the adjusting nut 20, and the adjusting screw 19 can be used for carrying out two-dimensional swing adjustment on the inclined swing plate 26;
the upper side of the inclined swing plate 26 or the lower side of the inclined fixed plate 22 is provided with a supporting piece which is a rotary steel ball 25;
in order to realize swing adjustment, the inclined swing plate 26 is not in direct contact with the inclined fixed plate 22, but forms a multi-point support through a rotary steel ball 25, a tensioning pin 27, a tension spring 24 and an adjusting screw 19, wherein the tensioning pin 27 is arranged on the inclined swing plate 26 and the inclined fixed plate 22 and is a fixed point at the end part of the tension spring 24, the tension spring 24 plays a role of tensioning the two plates, a multi-point support fixed surface is formed through the rotary steel ball 25 and the two adjusting screws 19 and is used for fixing the inclined swing plate 26, a sealing cover 21 is welded at the upper end of the inclined fixed plate 22 through soldering, a cooling water tank is arranged at the upper end surface of the inclined fixed plate 22, the sealing cover 21 plays a role of sealing, and the sealing cover is connected with a circulating waterway through a direct quick plug 18; the collimating and focusing lens group 28 is a lens group consisting of the collimating lens group 23, the focusing lens group 28 and the protecting lens, and the needed spot size is obtained by shaping and focusing the fiber laser;
the collimating lens group 23 is arranged between the inclined fixing plate 22 and the inclined swinging plate 26, and the focusing lens group 28 is arranged on the lower side of the inclined swinging plate 26;
the supporting and connecting mechanism mainly plays a role in series connection combination and protection of the whole mechanism; the connecting support seat 36, the first connecting end flange 39, the second connecting end flange 41 and the connecting transfer block 40 are arranged on the mounting bottom plate 42 through screws, and the optical component base 14 is arranged on the connecting support seat 36 through screws; the wire drawing mechanism provides a screw mount to the mounting plate 42. The upper shield 31 and the lower shield 38 are mounted on the mounting bottom plate 42 through screws, so as to play a role in protection; the shield incoming line cover plate 30 is fixed with the mounting bottom plate 42 and the upper shield 31 through screws, and an incoming line corrugated pipe 29 is arranged at the upper end of the shield incoming line cover plate and serves as an incoming line end; the lower shield cover plate 37 and the upper shield lower cover plate 33 are respectively arranged on the lower shield 38 and the upper shield 31 through screws; the wire passing rubber ring 35 is clamped on the wire passing plate 34 to protect the wire passing cable; the wire passing plate 34 is fixed on the upper shield lower cover plate 33 through screws; the upper shield maintenance cover plate 32 is arranged on the upper shield 31 through screws, and can be opened when the wire drawing mechanism is maintained, so that the maintenance is convenient;
the connection relationship between the above partial structures belongs to the prior art, for example: the connection of the connection bracket seat 36 and the connection section flange one 39 is not described in detail;
the multi-laser beam focusing point adjusting mode of the utility model is as follows:
1. taking a wire outlet terminal of a wire as a focus, respectively adjusting 6 groups of manual tilting tables 13 of the lens groups, and preferably adjusting the focus by a laser spot analyzer;
2. in order to obtain the optimal optical fiber coupling state, the fiber length and the final light spot focusing position need to be determined through testing in practice;
the cooling water connection of the utility model is as follows:
1. the cooling water is connected out from a water outlet of the external water cooler;
2. through the inlet wire corrugated pipe 29, one through quick plug 18 on the manual tilting table 13 of a group of lens is selected for insertion;
3. the lens group manual tilting table 13 is connected from the other through quick plug 18 on the lens group manual tilting table 13 to the through quick plug 18 of the next lens group manual tilting table 13 for insertion, and all lens group manual tilting tables 13 are connected in series;
4. the water inlet which is connected to the external water cooler through the inlet corrugated pipe 29 is connected from the manual tilting table 13 of the last group of lens.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The utility model provides a laser processing head for coaxial wire feeding vibration material disk, includes support coupling mechanism, wire drawing mechanism and optical focusing mechanism all install in support coupling mechanism is last, its characterized in that, optical focusing mechanism includes optical component base (14) and sets up a plurality of mirror group manual tilting table (13) on optical component base (14):
the optical assembly base (14) is provided with a guide wire channel for a guide wire to pass through and a lens group channel for accommodating a plurality of lens group manual tilting tables (13);
the manual tilting table (13) of the lens group comprises a collimation focusing lens group (28) and an adjusting mechanism, wherein the adjusting mechanism is used for focusing the laser beam.
2. A laser processing head for in-line wire feed additive as defined in claim 1, wherein the adjustment mechanism comprises:
a tilt fixing plate (22) fixedly mounted on the optical assembly base (14);
the inclined swinging plate (26) is positioned below the inclined fixing plate (22) and is connected with the inclined fixing plate (22) through a connecting piece;
a connecting piece comprising at least one tension spring (24);
the adjusting screw (19) and the adjusting nut (20), the adjusting nut (20) is fixedly arranged on the inclined fixing plate (22), and the adjusting screw (19) is positioned in the adjusting nut (20) and the end part of the adjusting screw can be contacted with the inclined swinging plate (26).
3. A laser processing head for coaxial wire feeding and material adding according to claim 2, wherein the collimating and focusing lens group (28) comprises a collimating lens group (23), a focusing lens group (28) and a protective lens, the collimating lens group (23) is arranged between the inclined fixing plate (22) and the inclined swinging plate (26), and the focusing lens group (28) is arranged on the lower side of the inclined swinging plate (26).
4. A laser processing head for coaxial wire feed additive according to claim 2, characterized in that the upper side of the tilting swing plate (26) or the lower side of the tilting fixed plate (22) is provided with a support.
5. A laser processing head for coaxial wire feed additive according to claim 4, characterized in that the support is a rotating steel ball (25).
6. A laser processing head for coaxial wire feeding and material adding according to claim 2, wherein a sealing cover (21) is arranged on the upper side of the inclined fixing plate (22), the sealing cover (21) is used for sealing a cooling water tank arranged on the upper side surface of the inclined fixing plate (22), and two through quick inserts (18) are arranged on the sealing cover (21).
7. A laser processing head for coaxial wire feed additive as in claim 1 wherein a wire clamping mechanism is disposed within the wire guide channel, the wire clamping mechanism comprising:
the guide wire pipe clamping seat (11) is fixedly arranged in the guide wire channel;
the wire guide tube (12) is fixedly locked on the wire guide tube clamping seat (11);
the fixed socket (16) is fixedly arranged in the guide wire channel and used for fixing the guide wire tube (12), and the bottom end of the fixed socket (16) is connected with a guide wire nozzle (17).
8. A laser processing head for coaxial wire feeding and material adding according to claim 3, wherein the optical assembly base (14) is provided with a plurality of maintenance cavities corresponding to the plurality of manual tilting tables (13) of the lens group one by one, and the optical assembly base (14) is fixedly provided with a maintenance cover plate (15) for closing the openings of the maintenance cavities.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321802698.XU CN220427133U (en) | 2023-07-10 | 2023-07-10 | Laser processing head for coaxial wire feeding and material adding |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321802698.XU CN220427133U (en) | 2023-07-10 | 2023-07-10 | Laser processing head for coaxial wire feeding and material adding |
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| Publication Number | Publication Date |
|---|---|
| CN220427133U true CN220427133U (en) | 2024-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321802698.XU Active CN220427133U (en) | 2023-07-10 | 2023-07-10 | Laser processing head for coaxial wire feeding and material adding |
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| Country | Link |
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| CN (1) | CN220427133U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117921189A (en) * | 2024-03-18 | 2024-04-26 | 南京英尼格玛工业自动化技术有限公司 | Multi-wavelength light source arc composite laser processing head and method for coaxial wire and powder simultaneous feeding |
-
2023
- 2023-07-10 CN CN202321802698.XU patent/CN220427133U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117921189A (en) * | 2024-03-18 | 2024-04-26 | 南京英尼格玛工业自动化技术有限公司 | Multi-wavelength light source arc composite laser processing head and method for coaxial wire and powder simultaneous feeding |
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