CN209919095U - Focusing system of three-dimensional laser cutting machine - Google Patents
Focusing system of three-dimensional laser cutting machine Download PDFInfo
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- CN209919095U CN209919095U CN201920725731.0U CN201920725731U CN209919095U CN 209919095 U CN209919095 U CN 209919095U CN 201920725731 U CN201920725731 U CN 201920725731U CN 209919095 U CN209919095 U CN 209919095U
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Abstract
The utility model discloses a three-dimensional laser cutting machine's focusing system belongs to laser focusing technical field. The utility model comprises a rotating component, a swinging component and a cutting head, wherein one end of the swinging component is vertically connected with the lower end of the rotating component, and the cutting head is vertically connected with the other end of the swinging component; a collimating lens seat is arranged in the rotating assembly, a first composite lens is arranged in the collimating lens seat, and the collimating lens seat can be fixed in the rotating assembly; the cutting head is internally provided with a focusing lens base, a second composite lens is arranged in the focusing lens base, and the focusing lens base is axially fixed inside the cutting head. The utility model discloses a fix the collimating mirror seat and the focusing mirror seat adjusted on the route of laser beam transmission, guarantee that the focus after adjusting can not change apart from the distance between the cutting nozzle, is favorable to the laser cutting.
Description
Technical Field
The utility model relates to a laser focusing technical field, more specifically say, relate to a three-dimensional laser cutting machine's focusing system.
Background
With the rapid development of equipment manufacturing industry, especially the demand of high-quality products in the market, the traditional production and processing technology is forced to be gradually eliminated, and the emerging industry begins to develop rapidly, wherein laser cutting is one of the industries. Laser cutting, as a new cutting technique, has been widely used because of its advantages of high cutting speed, high production efficiency, good cutting surface quality, small heat affected zone, environmental protection, etc.
The laser cutting process in the prior art comprises the following steps: under the excitation and driving of a numerical control program, laser is emitted from a laser generator, is transmitted to a cutting head through a light path system, is focused on the surface of a workpiece to be cut, and is melted on the surface of the workpiece at the focused position; meanwhile, the nozzle sprays auxiliary gas from the direction parallel to the light beam to blow away the slag; under the control of a program, the cutting head is driven by a servo motor to move according to a preset route, so that the workpiece is cut into various shapes. Although the laser cutting can cut a workpiece well, the existing one-axis plane laser cutting machine has certain limitations and cannot change the shape of the machined workpiece, so that the development of a three-dimensional laser cutting machine is promoted.
It should be noted that, in order to make the workpiece cutting effect better, the position to be cut of the workpiece is generally placed at the focus of the laser cutting beam, and since the light spot at the focus is minimum, the energy is highest, and the effect of cutting the workpiece is also best. In the prior art, in order to control the focus of a laser beam on the surface of a workpiece to be processed, a focusing mechanism is arranged on a cutting head of a laser cutting machine, and is used for focusing the light beam transmitted to the cutting head, debugging the focus on the surface of the workpiece and further cutting the workpiece; although the focusing mode can adjust the position of the focus of the laser beam, the focusing mechanism is arranged on the laser head, so that the occupied space is large, and the adjustment operation is inconvenient; in addition, in the three-dimensional laser cutting process, because the cutting head can rotate, in the rotation process, the cutting head after focusing is influenced, so that the position of a focus is changed, the laser cutting effect is further influenced, and further improvement is needed.
Through retrieval, the Chinese patent number: ZL 201721016254.8, date of authorized bulletin: in 2018, 5 and 11 months, the invention and creation name is as follows: an axial adjusting mechanism of a laser cutting head focusing lens comprises a cutting head body, wherein an accommodating space for accommodating a focusing lens barrel is formed in the cutting head body, the focusing lens barrel is movably arranged in the accommodating space, an axially extending sliding groove is formed in the side wall of the cutting head body, a cam shaft is arranged in the sliding groove, one end of the cam shaft extends into the accommodating space along the sliding groove and is connected with the focusing lens barrel, the other end of the cam shaft is clamped/buckled into a groove which is formed in a focusing disc and deviates from the center of the focusing disc, and the focusing disc is movably embedded and installed on the side wall of the cutting head body; the focusing disc is adjusted in a rotating mode, the focusing lens barrel can be driven to move axially through the transmission of the cam shaft, and the focusing lens is adjusted axially in a matching mode. Although the application can control the focus lens barrel to move axially, the position of the focus lens barrel after adjustment is not fixed, the position of the focus lens barrel is changed, and then the distance between the laser focus and the cutting nozzle is changed, so that laser cutting is affected.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The utility model aims to overcome the problem that the distance between the focus of the three-dimensional laser cutting machine and the cutting nozzle is changed after the laser beam emitted by the three-dimensional laser cutting machine is focused in the prior art, and provides a focusing system of the three-dimensional laser cutting machine; the utility model discloses a fix the collimating mirror seat and the focusing mirror seat adjusted on the route of laser beam transmission, guarantee that the focus after adjusting can not change apart from the distance between the cutting nozzle, is favorable to the laser cutting.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a focusing system of three-dimensional laser cutting machine, including rotating assembly, swing subassembly and cutting head, wherein, one end of swing subassembly links to each other with the lower extreme of rotating assembly is perpendicular, the cutting head link to each other with the other end of swing subassembly is perpendicular; a collimating lens seat is arranged in the rotating assembly, a first composite lens is arranged in the collimating lens seat, and the collimating lens seat can be fixed in the rotating assembly; the cutting head is internally provided with a focusing lens base, a second composite lens is arranged in the focusing lens base, and the focusing lens base is axially fixed inside the cutting head.
As a further improvement of the present invention, the collimating lens base is disposed in the inner cavity of the focusing lens barrel on the rotating assembly, and the outer wall of the collimating lens base is provided with a guide groove along the length direction thereof; the focusing lens barrel is provided with a fixing hole, and the positioning piece penetrates through the fixing hole to be in contact with the guide groove.
As a further improvement, the focusing lens barrel is provided with a through hole, the through hole is provided with an adjusting shaft, one of the adjusting shaft is provided with a stand, and the stand and the collimating lens base outer wall are provided with an inner contact groove.
As a further improvement, the focusing lens base is disposed in the inner cavity of the focusing lens barrel on the cutting head, and the lower end surface of the focusing lens base contacts with the surface of the water cooling base, the inner cavity of the focusing lens barrel is stepped, the focusing lens base is disposed in the inner cavity with larger aperture, and the upper end surface of the focusing lens base contacts with the stepped surface of the inner cavity of the focusing lens barrel.
As a further improvement, there is the clearance between the lateral wall of focusing mirror seat and the inner wall to the light lens cone, to the light lens cone along its circumference at least 3 regulation holes have been seted up, the mounting passes this regulation hole and links to each other with the lateral wall of focusing mirror seat.
As a further improvement of the present invention, the adjusting holes are distributed along the focusing lens barrel at equal intervals in circumferential direction.
As a further improvement of the utility model, be equipped with the bulb plunger in the regulation hole, the top of this bulb plunger links to each other with the lateral wall of focus lens seat.
As a further improvement of the utility model, the adjusting holes are provided with 4.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with existing well-known technique, have following beneficial effect:
(1) the utility model discloses a three-dimensional laser cutting machine's focusing system, through the inside that is fixed in rotating assembly with the collimating lens seat, focusing lens seat axial fixity can not take place to change in the axial in the cutting head, guarantees that the lens of inside separately, therefore the focus of the light beam after penetrating from the lens can not change, the focus of laser beam can not change apart from the distance between the cutting nozzle promptly, be favorable to three-dimensional laser cutting machine to treat the processing work piece and cut, the quality of cutting the product has been guaranteed.
(2) The utility model discloses a three-dimensional laser cutting machine's focusing system, for the convenience of fixing the position of collimating lens seat, the fixed orifices has been seted up on the focusing lens cone, and the guide way has been seted up on the outer wall of collimating lens seat along its length direction, the setting element passes the fixed orifices and contacts with the guide way, the outer wall of setting element promptly contacts with the both sides of guide way each other, and the top and the guide way of setting element offset, consequently in being fixed in the focusing lens cone with the collimating lens seat, guarantee that the position of first compound lens can not take place the change.
(3) The utility model discloses a three-dimensional laser cutting machine's focusing system, because three-dimensional laser cutting machine is when treating the processing work piece and carry out laser cutting, its laser beam's focus position need adjust according to the material of work piece, one of regulating spindle is served and is equipped with a stand by the off-centre, the central line of stand is not on same straight line with the central line of regulating spindle promptly, and the recess inscribe of seting up on this stand and the collimating lens seat outer wall, make eccentric stand rotate through rotating the regulating spindle, drive the collimating lens seat and remove in the inner chamber of focusing lens section of thick bamboo, because the inner wall restriction of focusing lens section of thick bamboo, make the collimating lens seat only take place to remove in the axial, adjust the position of first compound lens promptly, and then adjust laser beam's focus position.
(4) The utility model discloses a three-dimensional laser cutting machine's focusing system contacts through the up end that will set the light lens cone with the ladder face that sets the light lens cone inner chamber, and the lower terminal surface of focusing lens seat contacts with the surface of water-cooling seat, carries on spacingly through the upper and lower terminal surface with the focusing lens seat, guarantees that laser cutting machine's cutting head pivoted in-process focusing lens seat can not take place to rotate in the axial, and then can not lead to laser beam's focus position to change.
(5) The utility model discloses a three-dimensional laser cutting machine's focusing system, owing to carry out three-dimensional laser cutting, laser beam is when laser cutting machine's inside transmission, certain skew can take place for the laser light path, lead to laser beam's can not be fine to jet out from the cutting nozzle, consequently leave the clearance between focusing lens seat and the inner wall of focusing the lens cone, the mounting passes adjusting hole and carries out circumference adjustment to focusing lens seat, guarantee that laser beam can accurately jet out from the cutting nozzle of cutting head lower extreme, be favorable to laser cutting.
Drawings
Fig. 1 is a schematic structure of a three-dimensional laser cutting machine according to the present invention;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
FIG. 3 is a schematic cross-sectional view of the collimating lens holder of the present invention;
FIG. 4 is a schematic structural view of the collimating lens holder of the present invention;
FIG. 5 is an enlarged view of a portion B of FIG. 1;
fig. 6 is a schematic structural view of the focusing lens barrel of the present invention.
The reference numerals in the schematic drawings illustrate:
100. a rotating assembly; 110. a focus lens barrel; 111. a fixing hole; 120. a collimating lens base; 121. a first composite lens; 122. a guide groove; 130. an adjustment shaft; 131. rotating the hole; 132. a column; 140. a dial scale; 200. a swing assembly; 300. a cutting head; 310. an optical focusing barrel; 311. an adjustment hole; 320. a focusing lens base; 321. a second composite lens; 330. a water-cooling seat; 340. a cutting nozzle.
Detailed Description
For a further understanding of the present invention, reference will be made to the following detailed description taken in conjunction with the accompanying drawings and examples.
Example 1
With reference to fig. 1, the focusing system of a three-dimensional laser cutting machine according to this embodiment includes a rotating assembly 100, a swinging assembly 200, and a cutting head 300, wherein one end of the swinging assembly 200 is vertically connected to a lower end of the rotating assembly 100, and the other end of the swinging assembly 200 is vertically connected to the cutting head 300, laser emitted from a laser generator sequentially passes through the rotating assembly 100, the swinging assembly 200, and the cutting head 300, and is finally emitted from a cutting nozzle 340 at a lower end of the cutting head 300, and when laser beams are transmitted inside the three-dimensional laser cutting machine, operations such as light condensation, reflection, focusing, and the like need to be performed, so that a focus of the emitted laser beams is located on a surface.
Because the laser cutting machine in this embodiment is three-dimensional laser cutting machine, when carrying out laser cutting to work piece different positions, whole three-dimensional laser cutting machine needs the mutually supporting of each part, and to being in different regional departments of work piece processing, guarantee the quality of work piece cutting. More specifically, in the operation process of the three-dimensional laser cutting machine, the rotating assembly 100 rotates and drives the swinging assembly 200 to move, in addition, the swinging assembly 200 also rotates to drive the cutting head 300 to rotate, and finally the cutting head 300 of the three-dimensional laser cutting machine is moved to the area to be processed on the workpiece for laser cutting, that is, the cutting nozzle 340 is moved to the upper part of the position to be processed, and the laser beam is emitted from the cutting nozzle 340 and irradiated to the position to be processed, so that the laser cutting is performed.
It should be noted that, in the process of moving or rotating the three-dimensional laser cutting machine in the three-dimensional space, the position of the focusing lens inside the three-dimensional laser cutting machine may change, which causes the position of the focus adjusted in advance to change, that is, the distance between the focus and the cutting nozzle 340 to change, so that the laser cutting effect is reduced, the quality of the workpiece is seriously affected, and the requirement of high quality in the market cannot be met.
In order to avoid the problem, in this embodiment, the collimating lens holder 120 is disposed inside the rotating assembly 100, and the first composite lens 121 is disposed inside the collimating lens holder 120, in order to ensure that the position of the collimating lens holder 120 inside the rotating assembly 100 does not change in the process of movement of the three-dimensional laser cutting machine, a clamping groove may be disposed inside the rotating assembly 100, the height of the clamping groove is the same as the height of the collimating lens holder 120, and the outer wall of the collimating lens holder 120 is attached to the inner wall of the clamping groove. When the collimating lens base 120 is placed in the clamping groove during installation, the three-dimensional laser cutting machine avoids the change of the position of the collimating lens base 120 due to the limitation of the clamping groove in the movement process, namely, the change of the position of the first compound lens 121 on the collimating lens base 120 causes the change of the distance between the focal point of the laser beam and the cutting nozzle 340, thereby being beneficial to laser cutting.
In addition, a focusing lens holder 320 is disposed in the cutting head 300, and a second compound lens 321 is disposed in the focusing lens holder 320. In this embodiment, a clamping groove is also formed in the cutting head 300, the height of the clamping groove is the same as that of the focusing lens base 320, the focusing lens base 320 is installed in the clamping groove, and the axial direction of the focusing lens base 320 is fixed through the structural design, so that the position of the second composite lens 321 in the axial direction of the focusing lens base 320 cannot be changed in the movement process of the three-dimensional laser cutting machine.
It should be noted that the purpose of the first composite mirror 121 in the present embodiment is to change the divergence angle of the laser beam from the laser inlet at the upper end of the rotating assembly 100, specifically: because the laser generator is a point light source emitter, emitted light diverges, and the divergent laser beam is converted into parallel beams after passing through the first composite lens 121, so that the subsequent transmission of the laser beam is facilitated, and the laser beam is ensured not to have energy loss in the transmission process. In addition, the second compound lens 321 in the present embodiment focuses the parallel light beams from the upper end of the cutting head 300, so as to facilitate laser cutting of the workpiece to be processed with a focus.
The focusing system of the three-dimensional laser cutting machine of the embodiment fixes the collimating lens base 120 in the rotating assembly 100, and the focusing lens base 320 is axially fixed in the cutting head 300, so that the lenses in the respective interiors are ensured not to change in the axial direction, and the focal length of the laser beam emitted from the lenses is not changed, namely, the distance between the focal point of the laser beam and the cutting nozzle 340 is not changed, which is beneficial for the three-dimensional laser cutting machine to cut a workpiece to be processed, and the quality of a cut product is ensured.
Example 2
The focusing system of the three-dimensional laser cutting machine of the present embodiment is basically the same as embodiment 1, and further: referring to fig. 2, 3 and 4, the collimating lens holder 120 in this embodiment is disposed in the inner cavity of the focusing lens barrel 110 on the rotating assembly 100, and the outer wall of the collimating lens holder 120 is provided with a guide slot 122 along the length direction thereof, in addition, the focusing lens barrel 110 is provided with a fixing hole 111, and the fixing hole 111 is communicated with the inner cavity of the focusing lens barrel 110, and a positioning element, such as a positioning screw or a positioning pin, passes through the fixing hole 111 and contacts with the guide slot 122, that is, the outer wall of the positioning element contacts with both sides of the guide slot 122, and the top end of the positioning element abuts against the guide slot 122, so that the collimating lens holder 120 is fixed in the focusing lens barrel 110, and it is ensured that the position of the first composite lens 121 is not changed during the movement of the.
Preferably, in this embodiment, in order to adjust the focal position of the laser beam according to the material of the workpiece to be processed, the collimator lens holder 120 is configured to be adjustable in its axial direction, i.e., the distance between the first compound lens 121 and the laser inlet at the upper end of the rotating assembly 100 is adjustable. As shown in fig. 3, in the present embodiment, a through hole communicated with the inner cavity of the focusing lens barrel 110 is formed on the focusing lens barrel 110, the through hole is provided with an adjusting shaft 130, and an upright 132 is eccentrically arranged at one end of the adjusting shaft 130, that is, the upright 132 is eccentrically arranged, and in fig. 3, the upright 132 rotates to a plane where the central axis of the adjusting shaft 130 is located, so that the upright 132 does not exhibit eccentricity. In addition, a groove corresponding to the pillar 132 is formed on the outer wall of the collimating lens holder 120, and the pillar 132 is inscribed in the groove. The eccentric upright post 132 rotates by rotating the adjusting shaft 130, so as to drive the collimating lens holder 120 to move in the inner cavity of the focusing lens barrel 110, and due to the limitation of the inner wall of the focusing lens barrel 110, the collimating lens holder 120 only moves in the axial direction, that is, the position of the first compound lens 121 is adjusted, and then the focal position of the laser beam is adjusted.
It should be noted that in this embodiment, when the collimating lens holder 120 moves axially in the inner cavity of the focusing lens barrel 110, the size of the range of the laser beam irradiated on the first compound lens 121 changes, so that the diameter of the changed laser beam converted into the parallel beam by the first compound lens 121 changes, and the focal position finally focused by the second compound lens 321 changes. In addition, the positioning element and the guide slot 122 in this embodiment are mutually matched, so that the collimator lens holder 120 plays a guiding role in the moving process in the inner cavity of the focusing lens barrel 110, and the collimator lens holder 120 is ensured to move up and down in the inner cavity of the focusing lens barrel 110.
Preferably, in this embodiment, a rotation hole 131 is formed on an outer end surface of the adjustment shaft 130, so that an auxiliary tool, such as a hexagon wrench, can be used to control the rotation of the adjustment shaft 130; in addition, in the present embodiment, a dial 140 is sleeved outside the adjusting shaft 130, so as to control the rotation amount of the adjusting shaft 130.
Example 3
The focusing system of the three-dimensional laser cutting machine of the present embodiment is basically the same as embodiment 2, and further: with reference to fig. 1, 5 and 6, the focusing lens holder 320 in this embodiment is disposed in the inner cavity of the focusing lens barrel 310 on the cutting head 300, and the lower end surface of the focusing lens holder 320 contacts with the upper surface of the water cooling holder 330; in addition, the inner cavity of the focusing lens barrel 310 in this embodiment is stepped, the focusing lens holder 320 is located in the inner cavity with a larger aperture, and the upper end surface of the focusing lens holder 320 contacts with the stepped surface in the inner cavity of the focusing lens barrel 310, and the upper end surface and the lower end surface of the focusing lens holder 320 are limited, so that the focusing lens holder 320 cannot rotate in the axial direction during the rotation of the cutting head 300 of the laser cutting machine, and further, the focal position of the laser beam cannot be changed.
Because carrying out three-dimensional laser cutting, laser beam when laser cutting machine's inside transmission, certain skew can take place for the laser light path, lead to laser beam's can not be fine jet out from cutting nozzle 340, consequently, certain clearance is left between the lateral wall of focusing mirror seat 320 and the inner wall of focusing lens cone 310 in this embodiment, have certain distance between the two promptly, be convenient for carry out circumference to focusing mirror seat 320 and adjust, guarantee that laser beam can accurately jet out from cutting nozzle 340 of cutting head 300 lower extreme, be favorable to laser cutting. As shown in fig. 5, in the present embodiment, at least 3 adjusting holes 311, such as 3, 4, and 5 … …, are formed in the circumferential direction of the optical lens barrel 310, and the adjusting holes 311 are communicated with the inner cavity of the optical lens barrel 310, so that fixing members, such as fixing bolts or fixing pins, can be inserted to fix the optical lens barrel 310 conveniently.
Preferably, there are 4 adjusting holes 311 in the present embodiment, and a ball plunger is installed inside the adjusting hole 311, and the top end of the ball plunger contacts with the outer sidewall of the focusing lens barrel 310. By rotating the ball plunger in the adjusting hole 311, the ball plunger moves in the adjusting hole 311, and drives the light focusing lens barrel 310 to move circumferentially, i.e., the position of the laser beam emitted is adjusted. The whole adjusting process is convenient and quick, the mechanism design is simple, and the processing cost is low.
It should be noted that the ball plunger in this embodiment is a prior art. Further, while laser cutting is performed, high-pressure cooling gas enters the water-cooled base 330 through the pipe, passes through the gas passage in the water-cooled base 330 and the pipe above the cutting nozzle 340, and is finally blown out from the vicinity of the cutting nozzle 340 to cool the cut portion.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (8)
1. A focusing system of a three-dimensional laser cutting machine comprises a rotating assembly (100), a swinging assembly (200) and a cutting head (300), wherein one end of the swinging assembly (200) is vertically connected with the lower end of the rotating assembly (100), and the cutting head (300) is vertically connected with the other end of the swinging assembly (200); the method is characterized in that: a collimating lens base (120) is arranged in the rotating assembly (100), a first composite lens (121) is arranged in the collimating lens base (120), and the collimating lens base (120) can be fixed in the rotating assembly (100); a focusing lens base (320) is arranged in the cutting head (300), a second composite lens (321) is arranged in the focusing lens base (320), and the focusing lens base (320) is axially fixed in the cutting head (300).
2. The focusing system of the three-dimensional laser cutting machine according to claim 1, characterized in that: the collimating lens base (120) is arranged in an inner cavity of the focusing lens barrel (110) on the rotating assembly (100), and a guide groove (122) is formed in the outer wall of the collimating lens base (120) along the length direction of the collimating lens base; the focusing lens barrel (110) is provided with a fixing hole (111), and the positioning piece penetrates through the fixing hole (111) to be in contact with the guide groove (122).
3. The focusing system of the three-dimensional laser cutting machine according to claim 2, characterized in that: the focusing lens barrel (110) is provided with a through hole, an adjusting shaft (130) is arranged in the through hole, one end of the adjusting shaft (130) is eccentrically provided with an upright post (132), and the upright post (132) is internally tangent to a groove formed in the outer wall of the collimating lens base (120).
4. The focusing system of the three-dimensional laser cutting machine according to claim 1, characterized in that: focus microscope base (320) set up in the inner chamber of focusing lens cone (310) on cutting head (300), and the lower terminal surface of focus microscope base (320) contacts with the surface of water-cooling seat (330), the inner chamber of focusing lens cone (310) is the echelonment, focus microscope base (320) are arranged in the great inner chamber in aperture, and the up end of focus microscope base (320) contacts with the ladder face of focusing in lens cone (310) inner chamber.
5. The focusing system of the three-dimensional laser cutting machine according to claim 4, characterized in that: a gap exists between the outer side wall of the focusing lens base (320) and the inner wall of the focusing lens barrel (310), the focusing lens barrel (310) is at least provided with 3 adjusting holes (311) along the circumferential direction, and the fixing piece penetrates through the adjusting holes (311) to be connected with the outer side wall of the focusing lens base (320).
6. The focusing system of the three-dimensional laser cutting machine according to claim 5, characterized in that: the adjusting holes (311) are distributed at equal intervals along the circumferential direction of the focusing lens barrel (310).
7. The focusing system of a three-dimensional laser cutting machine according to claim 5 or 6, characterized in that: a ball plunger is arranged in the adjusting hole (311), and the top end of the ball plunger is connected with the outer side wall of the focusing lens seat (320).
8. The focusing system of the three-dimensional laser cutting machine according to claim 5, characterized in that: the number of the adjusting holes (311) is 4.
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| CN201920725731.0U CN209919095U (en) | 2019-05-20 | 2019-05-20 | Focusing system of three-dimensional laser cutting machine |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427128A (en) * | 2020-03-20 | 2021-09-24 | 国核电站运行服务技术有限公司 | Welding maintenance laser head for sealing welding seam |
| CN114147345A (en) * | 2022-02-08 | 2022-03-08 | 徐州志宏激光技术有限公司 | Laser cutting machine capable of automatically adjusting focusing of laser beam |
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2019
- 2019-05-20 CN CN201920725731.0U patent/CN209919095U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113427128A (en) * | 2020-03-20 | 2021-09-24 | 国核电站运行服务技术有限公司 | Welding maintenance laser head for sealing welding seam |
| CN114147345A (en) * | 2022-02-08 | 2022-03-08 | 徐州志宏激光技术有限公司 | Laser cutting machine capable of automatically adjusting focusing of laser beam |
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