CN216325799U - Hand-held type laser-beam welding machine - Google Patents
Hand-held type laser-beam welding machine Download PDFInfo
- Publication number
- CN216325799U CN216325799U CN202122347332.5U CN202122347332U CN216325799U CN 216325799 U CN216325799 U CN 216325799U CN 202122347332 U CN202122347332 U CN 202122347332U CN 216325799 U CN216325799 U CN 216325799U
- Authority
- CN
- China
- Prior art keywords
- laser
- nozzle
- hand
- laser beam
- welding machine
- 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.)
- Active
Links
Images
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model discloses a handheld laser welding machine, belongs to the technical field of lasers, and is designed for solving the technical problem of low welding precision in the prior art. Including laser source, the nozzle that is used for emitting laser beam open inside the nozzle have the cavity, with the water conservancy diversion portion that the cavity communicates, be used for reflecting laser beam's speculum and drive arrangement, drive arrangement is used for driving the speculum is rotatory or the swing, the water conservancy diversion portion is connected with the piston, the piston is used for controlling liquid in the water conservancy diversion portion is followed with the form of laminar flow liquid in the cavity is exported, laser beam incides to laminar flow liquid and with the laminar flow liquid reaches the thing to be treated jointly. The utility model can improve the laser cutting efficiency.
Description
Technical Field
The utility model belongs to the technical field of lasers, and particularly relates to a handheld laser welding machine.
Background
The water guide laser is to focus the laser and then guide into little water column, utilizes little water column and air interface's total reflection principle to make laser along this little water column conduction, so can know, and in prior art, laser beam adopts fixed angle incident to the juncture of air and water, and the diameter of little water column is unchangeable, and such device has the flexibility relatively poor in actual scene, the technical problem that laser cutting efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to improve the laser cutting efficiency, a handheld laser welding machine is provided.
A hand-held laser welding machine comprises a laser source used for emitting laser beams, a nozzle, a flow guide part, a reflecting mirror and a driving device, wherein a cavity is formed in the nozzle, the flow guide part is communicated with the cavity, the reflecting mirror is used for reflecting the laser beams, the driving device is used for driving the reflecting mirror to rotate or swing, the flow guide part is connected with a piston, the piston is used for controlling liquid in the flow guide part to be output from the cavity in the form of laminar flow liquid, the laser beams enter the laminar flow liquid and reach an object to be treated together with the laminar flow liquid, the inner diameter of the nozzle is gradually reduced along the propagation direction of the laser beams, the liquid comprises liquid E with single density, the liquid E also comprises liquid E with different refractive indexes, (E)1，en) E, n is the liquid E with the nth refractive index, the number of the laser sources is one or more, and the volume of the liquid column is similar to that of the inverted cone: the volume of the liquid column similar to the cylinder is approximately equal to 1:3, the liquid column with the inverted cone is gradually reduced in volume, and the liquid column is driven on the basis of the reduction in volumeThe moving device drives the reflector to rotate or swing, so that total reflection still can be generated, the utilization rate of liquid (such as water) is improved, resources are saved, the emergent angle of the laser beam finally output from the output end of the nozzle can deviate back and forth due to the swing of the driving device, swing welding can be performed, the object to be processed can be cooled through liquid while swing welding is realized, heat damage and burning around a cutting channel of the object to be processed by laser are avoided, the cleaning of the cutting channel is ensured, the diameter of a liquid column entering the cavity is gradually reduced due to the fact that the inner diameter of the nozzle is gradually reduced along the propagation direction of the laser beam, compared with the liquid column with the same diameter, the liquid column with the same diameter can meet the maximum emitting angle of the laser beam, the included angle between the maximum emitting angle and the transverse cross section of the liquid column can approach to 180 degrees, and the utilization rate of a light source is improved, the times of the laser beam refraction in the liquid column can be gradually increased, the original laser beam is divided into a new laser beam formed by combining a plurality of fine laser beams, and the new laser beam can replace expensive linear cutting.
Laminar flow liquid refers to a relatively stable liquid flow, not absolutely static, and is similar to static, but in reality the liquid flows, the piston can receive driving force from manual work, and can also receive driving force from an automatic device, and the liquid obtains pressure under the driving force and is ejected from the terminal end of the flow guide part; the achievable effects are as follows: after laser beam incides laminar flow liquid, can realize repeated multiple reflection, can realize the effect the same with the line cutting when reacing the pending thing, can replace expensive line cutting, in addition, because laser beam and laminar flow liquid arrive the pending thing with sharing, therefore the laminar flow liquid can take away laser beam's partial heat, can also play the effect of cooling to the cutting thing simultaneously, prevents that the peripheral region of high temperature burning welding bead. When laser beams enter different liquids from air, the laser beams have different refractive indexes, and in order to enable the laser beams to be incident into the liquids according to an angle larger than a critical angle, the total reflection of the laser beams in the liquids can be realized by changing different liquids.
Optionally, the driving means comprises a rotary motor or a rotary solenoid, and the driving means and the mirror each comprise 1 or more. The laser beam is totally reflected in the liquid water column, the condition that the angle from the air to the water is larger than a critical angle (for example 90 degrees) needs to be met, the driving device can drive the reflector to deflect, so that the laser beam incident to the water meets the condition, the driving device drives the reflector to rotate or swing, the laser beam can also rotate or swing, and the laser beam can be a composite laser beam consisting of two or more sub-laser beams. In order to meet the requirement of the critical angle, a data acquisition element can be arranged in the laser cutting device to acquire the angle of the laser beam incident to the liquid water column interface, and if the critical angle is not met, the control system can send an instruction to change the angle of the driving device to drive the reflector 5 to rotate or swing so as to meet the maximum reflectivity, so that the utilization rate of the laser beam is improved, and the accuracy of laser cutting is improved.
Optionally, the rotary solenoid includes a rotary shaft, a permanent magnet, a bipolar pulse generator, a first electromagnet, a second electromagnet, and the permanent magnet is in a ring shape, the rotary shaft penetrates through an inner ring of the permanent magnet, one end of the rotary shaft is connected with a reflector, the first electromagnet and the second electromagnet are in a semi-arc shape, and the first electromagnet and the second electromagnet can be clamped on a side wall of the permanent magnet and can be respectively matched with one-half outer diameter of the permanent magnet; the two sides of the first electromagnet close to the permanent magnet are same in magnetism, the two sides of the second electromagnet close to the permanent magnet are same in magnetism, the outer sides of the first electromagnet and the second electromagnet far away from the permanent magnet are both connected with coils, the coils are connected with a bipolar pulse generating device, and the bipolar pulse generating device is used for continuously or discontinuously providing positive bipolar pulse voltage and negative bipolar pulse voltage for the coils.
Optionally, the laser processing apparatus further comprises a first beam splitting mechanism, wherein the first beam splitting mechanism comprises a protruding portion, the protruding portion can be inserted into the object to be processed, and the laser output by the laser output end of the nozzle can process the object to be processed along the edge of the protruding portion.
Optionally, the laser beam splitter further comprises a second beam splitting mechanism, the second beam splitting mechanism comprises a metal ruler, the extending direction of the metal ruler intersects with the extension line of the propagation direction of the laser beam, the metal ruler is provided with a through hole for transmitting laser, and the metal ruler is located at the bottom of the laser output end.
Optionally, the guide portion is an internal cavity integrally formed with the hand-held laser welding machine, or a pipe detachably connected to the nozzle.
Optionally, the number of the flow guide parts is one or more.
Optionally, when the number of the flow guiding portions is plural, the adjacent flow guiding portions may be annularly distributed along a central axis of the nozzle.
Optionally, when the number of the flow guide parts is multiple, the flow guide parts are distributed layer by layer from inside to outside along the central axis of the nozzle.
Optionally, the flow guides are spaced at the same or different intervals.
Optionally, when the number of the flow guide portions is one, the portion of the flow guide portion for storing the liquid may completely wrap the laser beam propagating along the central axis direction of the nozzle, or only partially wrap the laser beam.
Optionally, a transparent window for preventing water leakage is arranged at the top of the flow guide part.
Optionally, the laser output end of the nozzle is made of a transparent material.
Optionally, the nozzle is integrally formed, and the inner diameter of the nozzle is gradually reduced along the transmission direction of the laser light path, so that a precise nozzle is finally formed at the output end;
or, the nozzle includes detachable upper portion and lower part, upper portion is laser input end, the lower part is laser output end, the cavity internal diameter of lower part is less than the cavity internal diameter of upper portion, the laser output end is accurate nozzle.
Optionally, the inner diameter of the cavity of the precision nozzle is less than or equal to 100 μ ⅿ, and the laser beam is output through the precision nozzle.
Optionally, when the metal rule and the first beam splitting mechanism coexist, the laser beam output by the laser output end includes multiple beams, a part of the laser beam is blocked by the first beam splitting mechanism, and the other part of the laser beam is limited by the second beam splitting mechanism metal rule, that is, a cutting track of the object to be processed is limited.
The utility model has the beneficial effects that: the laser beam is totally reflected by laminar flow liquid, and the diameter of the laminar flow liquid is gradually reduced along the transmission direction of the laser beam, so that the laser beam can be totally reflected more times in the laminar flow liquid gradually, the laser beam finally output can be cut more precisely, and the cutting efficiency can be improved. The volume of the liquid column similar to a cylinder is approximately equal to 1:3, the volume of the liquid column of the inverted cone is gradually reduced, on the basis of volume reduction, the driving device drives the reflector to rotate or swing, so total reflection still can be generated, the utilization rate of liquid (such as water) is improved, resources are saved, the emergent angle of the laser beam finally output from the output end of the nozzle can be shifted back and forth due to the swing of the driving device, swing welding can be performed, the object to be treated can be cooled through the liquid while the swing welding is realized, thermal damage and burning around the cutting path of the object to be treated by laser are avoided, and the cleaning of the cutting path is ensured.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present invention;
FIG. 2 is another schematic diagram of an embodiment of the present invention;
FIG. 3 is a schematic view of a metal rule 702 of the present invention;
FIG. 4 is a schematic view of a rotary solenoid of the present invention;
FIG. 5 is a flow chart of the implementation steps of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the utility model and are not to be construed as limiting the utility model. In the description of the present invention, it is to be understood that the terms "in", "on", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Unless expressly stated or limited otherwise, the term "coupled" is intended to be inclusive, e.g., such that a connection may be fixed or removable or integral; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The utility model is further illustrated with reference to the accompanying drawings:
referring to fig. 1, in an embodiment, a handheld laser welding machine includes a laser source 4 for emitting a laser beam, a nozzle 1, a cavity formed inside the nozzle 1, a flow guide portion 2 communicating with the cavity, a driving device, and a mirror 5 for reflecting the laser beam, wherein the driving device is configured to drive the mirror 5 to rotate or swing, the flow guide portion 2 is connected to a piston 3, the piston 3 is configured to apply pressure to a liquid in the flow guide portion 2 when operating, so that the liquid in the flow guide portion 2 is output from the cavity in the form of laminar flow liquid, when the piston 3 is not operating, no liquid flows through the flow guide portion 2, the laser beam is incident to the laminar flow liquid and reaches an object to be treated together with the laminar flow liquid, an inner diameter of the nozzle 1 gradually decreases along a direction in which the laser beam propagates, specifically, an initial laser beam is output through a laser source 4, the laser beam sequentially passes through a collimating mirror 7, a reflecting mirror 5, a trapezoidal prism 9 and a condensing lens 10 to enter a nozzle 1 to form a first laser beam, and the first laser beam enters the laminar flow liquid and is reflected for multiple times in the laminar flow liquid to reach an object to be processed;
in this embodiment, since the inner diameter of the nozzle 1 is gradually reduced along the propagation direction of the laser beam, the diameter of the liquid column entering the cavity is also gradually reduced, and compared with a liquid column with a consistent diameter, the present invention provides a manner that the maximum emission angle of the laser beam can be satisfied, the included angle with the upper cross section of the liquid column can infinitely approach to 180 °, the utilization rate of the light source is improved, the number of times of refraction of the laser beam in the liquid column can be gradually increased, the original laser beam is also divided into a new laser beam formed by combining a plurality of small sub-laser beams, and the new laser beam can replace expensive line cutting.
Laminar flow liquid refers to relatively stable liquid flow, not absolutely static, and is similar to static, but in reality, the liquid flows, the piston can receive driving force from manual work and also can receive driving force from an automatic device, and the liquid obtains pressure under the driving force and is ejected from the terminal end of the diversion part (2); the achievable effects are as follows: after the laser beam is incident on the laminar flow liquid 811, it can realize repeated multiple reflection, and when it reaches the object to be treated, it can realize the same effect as linear cutting, so that it can replace expensive linear cutting, and in addition, because the laser beam and laminar flow liquid reach the object to be treated together, the laminar flow liquidThe body can take away partial heat of laser beam, can also play the effect of cooling to the cutting thing simultaneously, prevents that the high temperature from burning the peripheral region of welding bead. The liquid comprises a liquid with a single refractive index, and the liquid E also comprises liquids E with different refractive indexes, (E)1，en) E, n is a liquid E of nth refractive index, the number of laser sources 4 can be one or more.
In one embodiment, the driving means comprises a rotary motor or rotary solenoid 6, and the driving means and the mirror 5 each comprise 1 or more, more meaning two or more.
In this embodiment, the laser beam is totally reflected in the liquid water, and the condition that the angle from the air to the water is greater than the critical angle (e.g. 90 °) is required to be satisfied, the driving device may drive the reflector 5 to deflect, so that the laser beam incident into the water satisfies the above condition, the driving device drives the reflector 5 to rotate or swing, so the laser beam may also rotate or swing, the laser beam may be a composite laser beam composed of two or more sub-laser beams, for example, the first sub-laser beam passes through the first reflective mirror, the second sub-laser beam passes through the second reflective mirror, and finally the two sub-laser beams are focused into one beam through the condensing lens, wherein the two sub-laser beams may have different power densities, wherein the high power density may perform a cutting function, and the low power density may perform a preheating or slow cooling function, or the two sub laser beams jointly cut the object to be processed to cut cutting tracks with different depths.
Referring to fig. 4, in an embodiment, the rotary solenoid 6 includes a rotary shaft 14, a permanent magnet 25, a bipolar pulse generator 21, a first electromagnet 23, a second electromagnet 24, and the permanent magnet 25 is in a circular ring shape, the rotary shaft 14 penetrates through an inner ring of the permanent magnet 25, one end of the rotary shaft 14 is connected with a mirror, the first electromagnet 23 and the second electromagnet 24 are in a semi-circular arc shape, and the first electromagnet 23 and the second electromagnet 24 can be engaged with a side wall of the permanent magnet 25 and can be respectively matched with one half of an outer diameter of the permanent magnet 25; the magnetism of two adjacent sides of the first electromagnet 23 and the permanent magnet 25 is the same, the magnetism of two adjacent sides of the second electromagnet 24 and the permanent magnet 25 is the same, the outer sides of the first electromagnet 23 and the second electromagnet 24 far away from the permanent magnet 25 are both connected with a coil 26, the coil 26 is connected with a bipolar pulse generating device 21, and the bipolar pulse generating device 21 is used for continuously or discontinuously providing positive and negative bipolar pulse voltage 22 for the coil 26.
In this embodiment, a laser beam is output from a laser output end, the laser beam can directly act on the surface of the object to be processed, the types of waveforms formed by the positive and negative bipolar pulse voltages 22 can be switched, the types of waveforms include a rectangular wave and a sine wave, the pulse width and frequency of the positive and negative bipolar pulse voltages 22 can be adjusted, the rotating shaft 14 starts to rotate or swing under the driving of the rotary solenoid, the mirror can also rotate or swing according to a certain angle because one end of the rotating shaft 14 is connected with the mirror, the mirror can also shift in the transmission direction because the mirror is used for changing the propagation path of the laser beam, therefore, the swinging laser beam can be obtained, the object to be processed can be cut through the swinging laser beam, and the swinging cutting can make the object to be processed be heated more uniformly, the welding speed is faster, so the cutting surface of the laser cutting device is smoother than the cutting surface obtained by the common laser cutting mode, and the more optimal cutting effect can be realized.
Referring to fig. 2, in an embodiment, the laser processing apparatus further includes a first beam splitting mechanism, the first beam splitting mechanism includes a protruding portion 703, the protruding portion 703 is insertable into an object to be processed, a laser output from the laser output end of the nozzle can process the object to be processed along an edge of the protruding portion 703, the protruding portion 703 may be a part of the handheld laser welding machine, and the protruding portion 703 is driven by a motor to move within the object to be processed.
In this embodiment, the protrusion 703 may be detachably connected to the hole for passing the object to be processed by a screw, and the laser output from the laser output end of the nozzle may be welded or punched along the edge of the protrusion 703, thereby obtaining a hole in the shape of, for example, a mortise.
Referring to fig. 2 and 3, in an embodiment, the laser beam splitting device further includes a second beam splitting mechanism, the second beam splitting mechanism includes a metal ruler 702, an extending direction of the metal ruler 702 intersects with an extension line of a propagation direction of the laser beam, the metal ruler 702 is provided with a through hole for transmitting the laser beam, and the metal ruler 702 is located at a bottom of the laser output end.
In this embodiment, the shape of the through hole includes round, diamond, rectangle, and square, the metal ruler 702 is movable in the nozzle, and the laser can reach the object to be processed through the through holes of different shapes.
Referring to fig. 2, in an embodiment, the guiding portion 2 is an internal cavity integrally formed with the hand-held laser welding machine or a pipe detachably connected to the nozzle 1.
In this embodiment, the flow guide 2 is used to store liquid, including water, and to facilitate the output of the liquid from the bottom end of the nozzle 1 in the direction of the laser beam emission.
Referring to fig. 2, in an embodiment, the number of the flow guide parts 2 is one or more.
Referring to fig. 2, in an embodiment, when the number of the flow guide parts 2 is plural, the adjacent flow guide parts 2 may be annularly distributed along the central axis of the nozzle.
Referring to fig. 2, in an embodiment, when the number of the flow guiding portions 2 is multiple, the flow guiding portions 2 are distributed layer by layer from inside to outside along a central axis of the nozzle 1.
Referring to fig. 2, in an embodiment, the intervals between the flow guides 2 are the same or different.
Referring to fig. 2, in an embodiment, when the number of the flow guide portions 2 is one, the portion of the flow guide portion 2 for storing liquid can completely wrap the laser beam propagating in the direction of the central axis of the nozzle, or wrap only a portion of the laser beam.
Referring to fig. 2, in an embodiment, a transparent window 809 for preventing water leakage is disposed at the top of the flow guiding portion 2.
In this embodiment, the transparent window 809 is used to prevent the liquid from splashing to the laser beam emitting end, and prevent a lens and the like in the laser beam emitting device from being contaminated or damaged.
Referring to fig. 2, in an embodiment, the laser output end of the nozzle 1 is made of a transparent material.
In the present embodiment, the transparent material is made of sapphire or ruby, for example.
Referring to fig. 2, in an embodiment, the nozzle 1 is integrally formed, and the inner diameter of the nozzle 1 is gradually reduced along the transmission direction of the laser light path, so as to finally form a precision nozzle at the output end;
or, the nozzle includes detachable upper portion and lower part, upper portion is laser input end, the lower part is laser output end, the cavity internal diameter of lower part is less than the cavity internal diameter of upper portion, the laser output end is accurate nozzle.
Referring to fig. 2, in one embodiment, the precision nozzle has a cavity inner diameter less than or equal to 100 μ ⅿ, and the laser beam is output through the precision nozzle.
Referring to fig. 2 and 3, in an embodiment, when the metal rule 702 and the first beam splitting mechanism coexist, the laser beam output by the laser output end includes a plurality of beams, a part of the laser beam is blocked by the first beam splitting mechanism, and the other part of the laser beam is limited by the second beam splitting mechanism metal rule 702, that is, a cutting track of the object to be processed is limited.
While the utility model has been described with reference to the above embodiments, the scope of the utility model is not limited thereto, and the above components may be replaced with similar or equivalent elements known to those skilled in the art without departing from the spirit of the utility model.
Claims (16)
1. The hand-held laser welding machine is characterized by comprising a laser source (4) for emitting a laser beam, a nozzle (1) with a cavity formed inside, a flow guide part (2) communicated with the cavity, a reflector (5) for reflecting the laser beam and a driving device, wherein the driving device is used for driving the reflector (5) to rotate or swing, the flow guide part (2) is connected with a piston (3), the piston (3) is used for applying pressure to liquid in the flow guide part (2) so that the liquid in the flow guide part (2) is output from the cavity in the form of laminar flow liquid, the laser beam is incident to the laminar flow liquid and reaches an object to be treated together with the laminar flow liquid, and the inner diameter of the nozzle (1) is gradually reduced along the propagation direction of the laser beam.
2. The hand-held laser welder according to claim 1, characterized in that the drive means comprise a rotary motor or a rotary solenoid (6), the drive means and the mirror (5) each comprising 1 or more.
3. The hand-held laser welding machine according to claim 2, characterized in that the rotary solenoid (6) comprises a rotary shaft (14), a permanent magnet (25), a bipolar pulse generating device (21), a first electromagnet (23), a second electromagnet (24), and the permanent magnet (25) is in a circular ring shape, the rotary shaft (14) penetrates through an inner ring of the permanent magnet (25), one end of the rotary shaft (14) is connected with a spectroscope or a reflector, the first electromagnet (23) and the second electromagnet (24) are in a semi-circular arc shape, the first electromagnet (23) and the second electromagnet (24) can be clamped on the side wall of the permanent magnet (25) and can be respectively matched with one half of the outer diameter of the permanent magnet (25); the magnetism of two adjacent sides of the first electromagnet (23) and the permanent magnet (25) is the same, the magnetism of two adjacent sides of the second electromagnet (24) and the permanent magnet (25) is the same, the outer sides of the first electromagnet (23) and the second electromagnet (24) far away from the permanent magnet (25) are both connected with coils (26), the coils (26) are connected with a bipolar pulse generating device (21), and the bipolar pulse generating device (21) is used for continuously or discontinuously providing positive and negative bipolar pulse voltages (22) for the coils (26).
4. The hand-held laser welding machine of any one of claims 1, 2 or 3, further comprising a first beam splitting mechanism, wherein the first beam splitting mechanism comprises a protrusion (703), wherein the protrusion (703) is insertable into the object to be treated, and wherein the laser output from the laser output end of the nozzle is capable of treating the object to be treated along an edge of the protrusion (703).
5. The hand-held laser welding machine according to any one of claims 1, 2 or 3, further comprising a second beam splitting mechanism, wherein the second beam splitting mechanism comprises a metal ruler (702), the extension direction of the metal ruler (702) is intersected with the extension line of the propagation direction of the laser beam, the metal ruler (702) is provided with a through hole for transmitting laser, and the metal ruler (702) is positioned at the bottom of the laser output end.
6. Hand-held laser welder according to claim 1, characterized in that the flow guide (2) is an internal cavity integrated with the hand-held laser welder or a pipe detachably connected to the nozzle (1).
7. Hand-held laser welding machine according to claim 6, characterised in that the number of flow guides (2) is one or more.
8. The hand-held laser welding machine according to claim 7, characterized in that when the number of the flow guide parts (2) is plural, the adjacent flow guide parts (2) may be annularly distributed along the central axis of the nozzle.
9. The hand-held laser welding machine according to claim 7, characterized in that when the number of the flow guide parts (2) is plural, the flow guide parts (2) are distributed layer by layer from inside to outside along the central axis of the nozzle (1).
10. Hand-held laser welding machine according to claim 8 or 9, characterised in that the spacing between the flow guides (2) is the same or different.
11. The hand-held laser welding machine according to claim 7, characterized in that when the number of the flow guide parts (2) is one, the part of the flow guide part (2) for storing liquid can completely wrap the laser beam propagating in the direction of the central axis of the nozzle or only wrap a part of the laser beam.
12. The hand-held laser welding machine of claim 1, characterized in that the top of the flow guide part (2) is provided with a transparent window (809) for preventing water leakage.
13. The hand-held laser welding machine according to claim 1 or 12, characterized in that the laser output end of the nozzle (1) is of a transparent material.
14. The hand-held laser welding machine of claim 13, wherein the nozzle is integrally formed and the inner diameter of the nozzle is gradually reduced along the transmission direction of the laser light path, and finally a precise nozzle is formed at the output end;
or, the nozzle includes detachable upper portion and lower part, upper portion is laser input end, the lower part is laser output end, the cavity internal diameter of lower part is less than the cavity internal diameter of upper portion, the laser output end is accurate nozzle.
15. The hand-held laser welder of claim 14, wherein the precision nozzle has a cavity inner diameter less than or equal to 100 μ ⅿ, the laser beam being output through the precision nozzle.
16. The hand-held laser welding machine of claim 5, wherein when the metal rule (702) and the first beam splitting mechanism are present simultaneously, the laser beam output by the laser output end comprises a plurality of beams, one part of the laser beam is blocked by the first beam splitting mechanism, and the other part of the laser beam is limited by the second beam splitting mechanism metal rule (702), namely, a cutting track of the object to be processed is limited.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347332.5U CN216325799U (en) | 2021-09-27 | 2021-09-27 | Hand-held type laser-beam welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122347332.5U CN216325799U (en) | 2021-09-27 | 2021-09-27 | Hand-held type laser-beam welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216325799U true CN216325799U (en) | 2022-04-19 |
Family
ID=81173236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122347332.5U Active CN216325799U (en) | 2021-09-27 | 2021-09-27 | Hand-held type laser-beam welding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216325799U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564508A (en) * | 2024-01-16 | 2024-02-20 | 阳光中科（福建）能源股份有限公司 | Laser cutting device for solar cell production |
-
2021
- 2021-09-27 CN CN202122347332.5U patent/CN216325799U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117564508A (en) * | 2024-01-16 | 2024-02-20 | 阳光中科（福建）能源股份有限公司 | Laser cutting device for solar cell production |
| CN117564508B (en) * | 2024-01-16 | 2024-03-22 | 阳光中科（福建）能源股份有限公司 | Laser cutting device for solar cell production |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR100348169B1 (en) | Laser joining method and a device for joining different workpieces made of plastic or joining plastic to other materials | |
| CN216325799U (en) | Hand-held type laser-beam welding machine | |
| EP2316605A1 (en) | Laser processing method, method for dividing workpiece, and laser processing apparatus | |
| JP2014529522A (en) | Laser welding method and apparatus for two joining members of plastic material | |
| JP5391077B2 (en) | Laser beam irradiation device | |
| US20070148567A1 (en) | Method and apparatus for laser-drilling an inkjet orifice in a substrate | |
| WO2020241138A1 (en) | Laser machining device and laser machining method using same | |
| CN115870609A (en) | Handheld laser device and laser processing method | |
| US20220072661A1 (en) | Laser processing device and laser processing method using same | |
| CN114799491A (en) | Laser machining head with aperture for increasing the scan field of a laser beam | |
| US20210316395A1 (en) | Laser scanner and laser machining device | |
| EP3737553B1 (en) | Waveguide for narrow simultaneous laser plastics welding | |
| CN216325801U (en) | Laser device | |
| JP4155640B2 (en) | Laser spot adjusting apparatus and method | |
| JP6444053B2 (en) | Laser receiving device and laser processing unit | |
| KR102509189B1 (en) | A method of structuring a substrate, an assembly comprising a substrate and a device for structuring the substrate and a substrate having such a structure | |
| CN115430912B (en) | Laser welding device | |
| US20220072655A1 (en) | Laser processing device and laser processing method using same | |
| JP2004276108A (en) | Method and device of laser welding | |
| JP2817555B2 (en) | Laser processing machine | |
| WO2024084750A1 (en) | Laser turning device, laser machining device, and laser machining method | |
| JPS6037185Y2 (en) | Laser processing equipment | |
| CN115870612A (en) | Laser and welding method | |
| Boglea et al. | Fiber laser pick-and-join tool for welding of thermoplastics | |
| JPH0857674A (en) | Laser beam processing method and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |