CN217596215U - Laser head and laser processing equipment thereof - Google Patents
Laser head and laser processing equipment thereof Download PDFInfo
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- CN217596215U CN217596215U CN202221385026.9U CN202221385026U CN217596215U CN 217596215 U CN217596215 U CN 217596215U CN 202221385026 U CN202221385026 U CN 202221385026U CN 217596215 U CN217596215 U CN 217596215U
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Abstract
The utility model discloses a laser head and laser processing equipment thereof, include: the laser module comprises a laser cavity, a light shaping lens group, at least two adjusting lens units and a focusing lens, wherein the light shaping lens group, the at least two adjusting lens units and the focusing lens are sequentially arranged in the cavity; the power module comprises a power cavity connected with the laser cavity, a transmission block arranged in the power cavity and a mirror bracket arranged on the transmission block, wherein the mirror bracket extends into the laser cavity and is used for installing an adjusting mirror unit, and the transmission block drives the adjusting mirror unit to move relatively through the mirror bracket so as to adjust the light spot and realize the adjustment of the size of the light spot.
Description
Technical Field
The utility model relates to a laser beam machining equipment technical field, concretely relates to laser head and laser beam machining equipment thereof.
Background
At present, a laser head is generally arranged on a machine tool or a mechanical arm, receives laser output by a laser, and is used for processing technologies such as cutting, welding, polishing, melting and the like. In order to adapt to different laser processing technologies, the position of the lens in the laser head needs to be adjusted in real time. The lens position of the laser head in the prior art is usually limited, or the lens is difficult to remove, the control of the working temperature of the laser head is different for different processing technologies, and the position of a cooling structure of the laser head in the prior art is fixed for adjusting the lens in real time, so that the laser head is difficult to adapt to the movable lens.
In addition, in the traditional process, workers sacrifice the parallelism of incident beams for adjusting the size of light spots by adopting a non-scientific adjusting mode, the positions of a certain group of lenses are changed manually to adjust the size of the light spots, so that the lenses deflect, and the light spots obtained by the mode are not uniformly distributed or have hollow light spots, so that the later processing is influenced.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a laser head and laser processing equipment thereof realizes that the facula size is adjusted, guarantees the light beam depth of parallelism simultaneously.
The above technical purpose of the present invention can be achieved by the following technical solutions: a laser head, comprising:
the laser module comprises a laser cavity, a light shaping lens group, at least two adjusting lens units and a focusing lens, wherein the light shaping lens group, the at least two adjusting lens units and the focusing lens are sequentially arranged in the cavity;
the power module comprises a power cavity connected with the laser cavity, a transmission block arranged in the power cavity and a mirror bracket arranged on the transmission block, wherein the mirror bracket extends into the laser cavity and is used for installing an adjusting mirror unit, and the transmission block drives the adjusting mirror unit to move relatively through the mirror bracket so as to adjust light spots.
Furthermore, the laser module also comprises a first box body used for forming a laser cavity, the light shaping lens group and the focusing lens are fixed at two ends of the first box body, and a cooling air circuit is arranged in the side wall of the first box body.
Further, the cooling air circuit is at least arranged at two ends of the first box body, the cooling air circuit comprises a first air passage arranged in the length direction of the first box body and a second air passage arranged in the height direction of the first box body, and the first air passage is communicated with the second air passage.
Furthermore, a cooling water channel is formed in the mirror frame, the cooling water channel is communicated with the transmission block and forms a loop, and the cooling water channel is arranged around the adjusting mirror unit.
Furthermore, the lens bracket is provided with a water inlet joint and a water outlet joint which are connected with a cooling water path.
Further, the cooling water channels are staggered with respect to the thickness direction of the spectacle frame.
Furthermore, the power module still includes the second box that is used for constituting the power cavity to and wear to locate two at least sharp modules in the second box, the transmission piece with the action end of sharp module is connected.
Furthermore, a guide rail opposite to the linear module and a sliding block arranged on the guide rail are arranged in the second box body, and the sliding block is connected with the transmission block.
Furthermore, the front end and the rear end of the corresponding straight line module in the second box body are also provided with proximity sensors, and the transmission block is provided with a sensing part used for sensing with the proximity sensors.
Compared with the prior art, the utility model has the advantages of it is following and beneficial effect: 1. through power module drive transmission piece and mirror holder removal for adjust the mirror unit can be at the internal independent displacement of laser cavity, thereby focus and facula size's regulation realizes the switching of different laser processing modes, through this kind of laser head, can polish processing integration in a laser head with laser cladding and laser, a sharing laser exit port, adopt a laser head can accomplish the technological demand of different processing methods, simplify the processing equipment structure, improve work efficiency.
2. The cooling air passages are arranged in the first box body and can be enclosed on the periphery sides of the light shaping lens group and the focusing lens, the cooling water passages are arranged in the transmission block and the lens frame and can be enclosed on the periphery sides of the adjusting lens units, and the cooling water passages can play a stable cooling effect on the adjusting lens units at different positions, so that the light shaping lens group, the adjusting lens units and the focusing lens can be cooled to meet the processing requirements of different working conditions;
3. in this way, beam parallelism is guaranteed during adjustment, so that the spot energy obtained is uniform.
A laser machining apparatus including the laser head described above, comprising:
the fixture is arranged at two ends of the tool frame and is used for being matched with a workpiece;
the triaxial removes the module, locates the frock frame top, the action that locates the triaxial and remove the module with adjustable the laser head is served.
Drawings
Fig. 1 is a schematic structural diagram of the laser head of the present invention;
fig. 2 is a side view of the laser head of the present invention;
fig. 3 is a schematic diagram of a local explosion of the laser module and the power module according to the present invention;
fig. 4 is a schematic layout view of the power module of the present invention;
fig. 5 is a perspective view of a cooling air passage in the second box body of the present invention;
fig. 6 is a schematic structural view of the mirror holder and the transmission block of the present invention;
fig. 7 is a perspective view of a cooling waterway in the mirror support of the present invention;
fig. 8 is an exploded view of the mirror holder, the adjustment mirror unit and the pressing ring of the present invention;
fig. 9 is a schematic structural view of the processing tool of the present invention;
in the figure: 1. a laser module;
2. a power module; 2.1, a power cavity; 2.2, a transmission block; 2.21, a sensing site; 2.3, a linear module; 2.4, guide rails; 2.5, a sliding block; 2.6, driving a motor;
3. a light shaping lens group; 4. an adjustment mirror unit; 5. a focusing lens;
6. a first case; 6.1, laser cavity; 6.2, cooling the gas circuit; 6.21, a first air path; 6.22, a second gas path; 6.3, a first cover plate;
7. a second case; 7.1, a second cover plate;
8. a frame; 8.1, a cooling water channel; 8.11, a first waterway; 8.12, a second waterway; 8.13, connecting the channel; 8.2, mounting positions; 8.3, connecting parts;
9. a proximity sensor; 10. a water inlet joint; 11. a water outlet joint; 12. an air inlet joint; 13. an air outlet joint;
14. a tool rack; 15. a three-axis moving module; 16. pressing a ring; 17. an optical fiber interface;
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
It will be understood that, although the terms upper, middle, lower, top, end, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another for ease of understanding, and are not used to define any directional or sequential limitations.
As shown in fig. 1 to 8, a laser head includes:
the laser module 1 comprises a laser cavity 6.1, a light shaping lens group 3, at least two adjusting lens units 4 and a focusing lens 5, wherein the light shaping lens group 3, the at least two adjusting lens units 4 and the focusing lens 5 are sequentially arranged in the cavity, and the adjusting lens units 4 can be adjusted in the laser cavity 6.1 through a power module 2;
Through the removal of power module 2 drive transmission piece 2.2 and mirror holder 8 for adjust mirror unit 4 can be in laser cavity 6.1 independent displacement, thereby focus and facula size's regulation, realize the switching of different laser processing modes, through this kind of laser head, can be integrated in a laser head with laser cladding and laser processing integration of polishing, a laser exit port of sharing, adopt a laser head can accomplish the technological demand of different processing methods, simplify the processing equipment structure, improve work efficiency.
As an implementation mode of the arrangement mode of the laser module 1 and the power module 2, the laser module 1 further comprises a first box body 6 used for forming a laser cavity, the power module 2 further comprises a second box body 7 used for forming the power cavity 2.1, the bottom of the first box body 6 is opened at the top of the second box body 7, so that the communication between the laser cavity 6.1 and the power cavity 2.1 is realized, the mirror bracket 8 can extend into the laser cavity 6.1 through the opening, and through the arrangement, the laser module 1 is arranged above the power module 2, the interference of other components of the power module 2 on the laser cavity 6.1 is avoided, the space planning is reasonable, and meanwhile, the use of a laser head is facilitated.
As shown in fig. 3, specifically, the top of the first box 6 is further provided with a first cover plate 6.3, the first cover plate 6.3 and the first box 6 can be fixedly connected through bolts, and the cover is detached to repair and replace the adjusting mirror unit 4, or manually adjust the adjusting mirror unit.
Specifically, second apron 7.1 is still equipped with at 7 tops of second box, and second apron 7.1 and 7 accessible bolt fixed connection of second box realize the maintenance change to power module 2 through dismantling the lid, or manual regulation.
Specifically, the second box 7 is further provided with a cooling water inlet, a cooling water outlet and an optical fiber connector.
As shown in fig. 8, as an implementation mode of installing the adjusting mirror unit 4 on the mirror holder 8, be equipped with the spacing seat that supplies the holding of adjusting mirror unit 4 on the mirror holder 8, adjusting mirror unit 4 can be put into spacing seat from one end to break away from mirror holder 8 in the other end restriction, be located and be equipped with clamping ring 16 on the free end of adjusting mirror unit 4, the channel has been seted up in proper order along the axial to clamping ring 16, clamping ring 16 deviates from spacing seat and is equipped with the tight fit ring, the channel sets up along the circumference face, makes clamping ring 16 can be extrusion deformation in the axial through above-mentioned channel, the tight fit ring is with the inner counterbalance cooperation of spacing seat to inject adjusting mirror unit 4 in spacing seat.
In other embodiments, as shown in fig. 5, the rectification lens group 3 and the focusing lens 5 are fixed at two ends of the first box 6, and they undertake the input and output of light, and in order to ensure the cooling of the rectification lens group 3 and the focusing lens 5, a cooling air channel 6.2 is opened in the side wall of the first box 6.
Specifically, the cooling air path 6.2 is at least disposed at two ends of the first box 6, the cooling air path 6.2 includes a first air path arranged in the length direction of the first box 6 and a second air path arranged in the height direction of the first box 6, and the first air path is communicated with the second air path.
The first air passages are arranged on two sides of the front end and the rear end of the first box body 6 and are arranged at intervals in the height direction, the second air passages are arranged on two sides of the front end and the rear end of the first box body 6, the two first air passages are communicated with one second air passage to form a loop, one first air passage is connected with the air inlet joint 12, and the other first air passage is connected with the air outlet joint 13 on one side of the end part of the first box body 6.
As shown in fig. 7, as an example of cooling the adjusting mirror unit 4, a cooling water path 8.1 is formed in the mirror holder 8, the cooling water path 8.1 is communicated with the transmission block 2.2 and forms a loop, and the cooling water path 8.1 is disposed around the adjusting mirror unit 4.
Specifically, the lens frame 8 is provided with a water inlet joint 10 and a water outlet joint 11 which are connected with a cooling water channel 8.1.
Specifically, the cooling water channels 8.1 are provided in a staggered manner in the thickness direction of the lens frame 8.
As a further explanation of the cooling water channel 8.1, the cooling water channel 8.1 includes a first water channel 8.11 and a second water channel 8.12, the first water channel 8.11 is opened at the front of the lens frame 8 and surrounds the upper side, the lower side and one side of the lens frame 8 at the upper side, the lower side and one side of the lens frame 4, the second water channel 8.12 is opened at the rear of the lens frame 8 and surrounds the other side of the lens frame 8 at the lower side of the lens frame 4, the first water channel 8.11 and the second water channel 8.12 are butted with each other through a connecting channel 8.13 opened in the thickness direction of the lens frame 8, and the first water channel 8.11 and the second water channel 8.12 extend downward to the transmission block 2.2, wherein the first water channel 8.11 is connected with the water inlet joint 10, and the second water channel 8.12 is connected with the water outlet joint 11.
Through above improvement, through arrange the cooling air flue in first box 6, the cooling air flue can enclose to close 3 and 5 week sides of focusing lens of whole smooth mirror group, sets up the cooling water course in drive block 2.2 and mirror holder 8, and the cooling water course can enclose all sides of closing at adjusting mirror unit 4 to the realization is to 3, the cooling of adjusting mirror unit 4 and focusing lens 5 of whole smooth mirror group, in order to adapt to the processing demand of different operating modes.
As shown in fig. 3 and 4, as an embodiment of the power module 2, the power module 2 further includes a second case 7 for forming a power cavity 2.1, and at least two linear modules 2.3 inserted into the second case 7, and the transmission block 2.2 is connected to an actuating end of the linear module 2.3.
Two sharp module 2.3 set up side by side, and two mirror holder 8 is the relative setting of L type, can see from fig. 3 and fig. 6, every mirror holder 8 is including being used for providing the installation position 8.2 of adjusting the installation of mirror unit 4 to and be used for connecting the connection position 8.3 of driving block 2.2, and water supply connector 10 and water connectors 11 arrange at connection position 8.3, and wherein, the installation position 8.2 of two mirror holders 8 sets up the syntropy side by side, and the connection position 8.3 of two mirror holders 8 sets up symmetrically, thereby avoids two sharp module 2.3's interference.
Optionally, the linear module 2.3 can be a precision screw rod module, and the transmission block 2.2 is connected to a transmission nut of the screw rod module.
In this embodiment, in order to improve the stability of the action of the mirror holder 8, a guide rail 2.4 is arranged in the second box 7, the guide rail 2.4 is arranged at the bottom of the linear module 2.3, a sliding block 2.5 is arranged on the guide rail 2.4, and the sliding block 2.5 is connected with the transmission block 2.2.
In addition, provide sharp module 2.3's drive power by driving motor 2.6, be equipped with the shaft coupling between driving motor 2.6 and sharp module 2.3 to further guarantee transmission stability.
As can be seen from fig. 4, specifically, proximity sensors 9 are further arranged at the front end and the rear end of the second box 7 corresponding to the linear module 2.3, a sensing part 2.21 used for sensing with the proximity sensors 9 is arranged on the transmission block 2.2, and the position of the proximity sensors 9 is preset, so that the accuracy of the movement of the mirror bracket 8 is improved, and the excessive movement of the mirror bracket 8 is avoided.
As shown in fig. 9, the utility model also provides a laser processing equipment, including foretell laser head, include:
the fixture comprises a tool frame 14, wherein two ends of the tool frame 14 are provided with fixtures matched with a workpiece;
the triaxial removes module 15, locates the frock frame 14 top, the action that locates triaxial and remove module 15 is served with adjustable laser head angle.
In this embodiment, the workpiece may be selected as a shaft, the fixture includes three-jaw chucks clamped at two ends of the shaft to provide a driving force for rotating the shaft, and the shaft moving module 15 is a conventional three-shaft driving mechanism, which is not described herein again.
In other embodiments, the fixture further comprises a tip located at the other end of the shaft, so as to ensure the rotation concentricity of the shaft, and a rotating module is arranged at the action end of the three-shaft moving module 15 so as to adjust the working angle of the laser head, and meanwhile, the position of the laser head is vertically adjusted, so that the energy of the light spot acting on the shaft is adjusted.
The rotary module can be selected as a rotary cylinder.
The specific embodiments are only for explaining the present invention, and it is not a limitation to the present invention, and those skilled in the art can make modifications to the embodiments without inventive contribution as required after reading the present specification, but all the embodiments are protected by patent law within the scope of the claims of the present invention.
Claims (10)
1. A laser head, comprising:
the laser module (1) comprises a laser cavity (6.1), a light shaping lens group (3), at least two adjusting lens units (4) and a focusing lens (5), wherein the light shaping lens group (3), the at least two adjusting lens units and the focusing lens are sequentially arranged in the cavity;
power module (2), including power cavity (2.1) of connecting laser cavity (6.1), locate drive block (2.2) in power cavity (2.1) to and locate mirror holder (8) on drive block (2.2), mirror holder (8) stretch into laser cavity (6.1) and supply to adjust mirror unit (4) installation, just drive block (2.2) are adjusted mirror unit (4) relative movement through mirror holder (8) drive, in order to adjust the facula.
2. The laser head of claim 1, wherein: the laser module (1) further comprises a first box body (6) used for forming a laser cavity, the light shaping mirror group (3) and the focusing lens (5) are fixed at two ends of the first box body (6), and a cooling air circuit (6.2) is arranged in the side wall of the first box body (6).
3. The laser head of claim 2, wherein: the cooling air circuit (6.2) is at least arranged at two ends of the first box body (6), the cooling air circuit (6.2) comprises a first air passage arranged in the length direction of the first box body (6) and a second air passage arranged in the height direction of the first box body (6), and the first air passage is communicated with the second air passage.
4. The laser head of claim 1, wherein: a cooling water path (8.1) is formed in the mirror frame (8), the cooling water path (8.1) is communicated with the transmission block (2.2) to form a loop, and the cooling water path (8.1) is arranged around the adjusting mirror unit (4).
5. The laser head of claim 4, wherein: and a water inlet joint (10) and a water outlet joint (11) which are connected with a cooling water channel (8.1) are arranged at the bottom of the spectacle frame (8).
6. The laser head of claim 4, wherein: the cooling water channels (8.1) are arranged in a staggered manner in relation to the thickness direction of the spectacle frame (8).
7. The laser head of claim 1, wherein: the power module (2) further comprises a second box body (7) used for forming a power cavity (2.1) and at least two straight line modules (2.3) arranged in the second box body (7) in a penetrating mode, and the transmission block (2.2) is connected with the action end of each straight line module (2.3).
8. The laser head of claim 7, wherein: be equipped with in second box (7) guide rail (2.4) that set up with sharp module (2.3) is relative to and set up slider (2.5) on guide rail (2.4), slider (2.5) are connected with transmission block (2.2).
9. The laser head of claim 7, wherein: the front end and the rear end of the corresponding straight line module (2.3) in the second box body (7) are also provided with proximity sensors (9), and the transmission block (2.2) is provided with a sensing part (2.21) used for sensing with the proximity sensors (9).
10. Laser machining apparatus including the laser head of any one of claims 1 to 9, comprising:
the fixture comprises a tool frame (14), wherein two ends of the tool frame (14) are provided with fixtures matched with a workpiece;
the triaxial removes module (15), locates frock frame (14) top, the action of locating triaxial removal module (15) is served with adjustable laser head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221385026.9U CN217596215U (en) | 2022-05-31 | 2022-05-31 | Laser head and laser processing equipment thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221385026.9U CN217596215U (en) | 2022-05-31 | 2022-05-31 | Laser head and laser processing equipment thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217596215U true CN217596215U (en) | 2022-10-18 |
Family
ID=83587686
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221385026.9U Active CN217596215U (en) | 2022-05-31 | 2022-05-31 | Laser head and laser processing equipment thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217596215U (en) |
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2022
- 2022-05-31 CN CN202221385026.9U patent/CN217596215U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: Floor 1, Building 4, No. 102, West Section of Hongtang South Road, Jiangbei District, Ningbo City, Zhejiang Province, 315000 Patentee after: Ningbo Haitian Laser Technology Co.,Ltd. Address before: 315300 Floor 1, Building 4, No. 102, West Section of Hongtang South Road, Jiangbei District, Ningbo, Zhejiang Patentee before: Ningbo Tusheng Laser Technology Co.,Ltd. |