CN212885751U - Laser cutting head - Google Patents
Laser cutting head Download PDFInfo
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- CN212885751U CN212885751U CN202021219941.1U CN202021219941U CN212885751U CN 212885751 U CN212885751 U CN 212885751U CN 202021219941 U CN202021219941 U CN 202021219941U CN 212885751 U CN212885751 U CN 212885751U
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- direction adjusting
- cutting head
- laser cutting
- mirror
- water
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Abstract
The utility model discloses a laser cutting head, which comprises a lens mounting support, wherein a light inlet channel and a light outlet channel which are arranged in parallel and staggered mutually are arranged in the lens mounting support, and a cavity communicated with the light inlet channel and the light outlet channel is formed in the lens mounting support; the lower end of the light inlet channel is provided with an adjustable mirror which is obliquely arranged, and the upper end of the light outlet channel is provided with a reflective focusing mirror which is parallel to the adjustable mirror; the upper end of the light inlet channel is connected with an optical fiber interface through an adjusting component, and a protective glass is arranged in the light outlet channel. The utility model discloses a laser cutting head, through the regulation to two-way adjusting device, guarantee that laser can be perpendicular to workpiece surface all the time behind focusing mirror and speculum, simple structure adjusts the precision height.
Description
Technical Field
The utility model relates to a laser cutting equipment technical field, concretely relates to laser cutting head.
Background
High power laser cutting has occupied a large proportion of the production and the power of the laser has reached several ten thousand watts. During high-power cutting, the position of the light beam needs to be highly vertical to the surface of the plate, and the inclination of the light beam relative to the plate affects the cutting quality. The existing cutting head has the defects of precise processing and complex structure, the angle adjustment of a light beam is very complicated, the cutting effect cannot be achieved frequently when the adjustment is incorrect, and the cutting head is easy to damage.
SUMMERY OF THE UTILITY MODEL
In order to solve the shortcoming that exists among the above-mentioned prior art, the utility model provides a laser cutting head, concrete scheme is as follows:
the lens mounting support is internally provided with a light inlet channel and a light outlet channel which are arranged in parallel and staggered mutually, and a cavity communicated with the light inlet channel and the light outlet channel is formed in the lens mounting support; the lower end of the light inlet channel is provided with an adjustable mirror which is arranged in an inclined mode, and the upper end of the light outlet channel is provided with a reflecting type focusing mirror which is parallel to the adjustable mirror; the upper end of the light inlet channel is connected with an optical fiber interface through an adjusting assembly, and a protective glass is arranged in the light outlet channel.
Furthermore, the adjusting assembly comprises an X-direction adjusting device and a Y-direction adjusting device, the X-direction adjusting device is used for adjusting the bottom end of the optical fiber interface to move along the line connecting the reflective focusing mirror and the adjustable mirror, and the Y-direction adjusting device is used for adjusting the bottom end of the optical fiber interface to move perpendicular to the line connecting the reflective focusing mirror and the adjustable mirror.
Furthermore, the X-direction adjusting device comprises an installation plate and an adjusting plate which are arranged at the opening of the light inlet channel, the installation plate and the adjusting plate are corresponding rectangular plates, and four first screw holes and four second screw holes are respectively formed in the positions, close to four corners, of the installation plate and the adjusting plate; an X positive direction adjusting bolt and an X negative direction adjusting bolt are respectively arranged in two second screw holes positioned on a diagonal line, at least one of the two remaining second screw holes is provided with a fixing bolt, and a nut washer and a nut are sequentially arranged on the parts, positioned below the adjusting plate, of the X positive direction adjusting bolt, the X negative direction adjusting bolt and the fixing bolt in a penetrating manner;
the outer wall shaping of optical fiber interface has the draw-in groove, Y direction adjusting device include with draw-in groove complex adjustment clamp ring, the thickness of adjustment clamp ring is less than the width of draw-in groove, the adjustment clamp ring with be equipped with between the mounting panel and be one hundred eighty degree mutual disposition's first adjusting shim and second adjusting shim, first adjusting shim with the line perpendicular to of second adjusting shim the line of reflective focusing mirror with the adjustable mirror.
Furthermore, a blind hole is formed in the bottom surface of the mounting plate corresponding to the first screw hole, and the aperture of the blind hole is larger than that of the first screw hole; x positive direction adjusting bolt X negative direction adjusting bolt with radially arranged's pin is worn to be equipped with by fixing bolt's bottom, the length of pin is less than the aperture of blind hole and be greater than the aperture of first screw.
Further, still be equipped with cooling module on the lens erection support, sensor hole and cooling hole have been seted up on lens erection support's the lateral wall, cooling module includes through the sensor hole inserts temperature and humidity sensor in the lens erection support and through the cooling hole inserts air cock in the lens erection support, temperature and humidity sensor is connected with the controller through the wire, the air cock has the fan through the pipe connection who takes the filter core, the fan with the controller electricity is connected.
Further, the number of the sensor holes is at least two and is respectively arranged close to the adjustable mirror and the reflective focusing mirror.
Furthermore, the adjustable mirror with the outside of reflection type focusing mirror is equipped with the water-cooling piece that the heat conduction material was made, be equipped with the water course in the water-cooling piece, seted up on the water-cooling piece and corresponded respectively the water inlet and the delivery port at water course both ends, the water inlet with the delivery port has the water pump through the pipe connection.
The beneficial effects of the utility model reside in that:
the utility model discloses a laser cutting head, through the regulation to two-way adjusting device, guarantee that laser can be perpendicular to workpiece surface all the time behind focusing mirror and speculum, simple structure adjusts the precision height.
Drawings
Figure 1 is a schematic structural diagram of the present invention,
figure 2 is a schematic diagram of the internal structure of the present invention,
FIG. 3 is a schematic structural view of the X-direction adjusting device of the present invention,
FIG. 4 is a schematic view of the connection between the X-direction adjusting device and the mounting plate of the present invention,
FIG. 5 is a schematic structural diagram of the Y-direction adjusting device of the present invention,
figure 6 is a schematic view of the installation of the water cooling block of the present invention,
fig. 7 is the schematic view of the internal structure of the water cooling block of the present invention.
Figure number and name: 1. the device comprises a lens mounting support 11, a sensor hole 12, a water cooling block 13, a water channel 14, a water inlet 15, a water outlet 2, a light inlet channel 3, a light outlet channel 4, an adjustable mirror 5, a reflective focusing mirror 6, an optical fiber interface 7, a protective mirror 8, an X-direction adjusting device 81, a mounting plate 82, an adjusting plate 83, a first screw hole 84, a second screw hole 85, an X-direction adjusting bolt 86, an X-direction adjusting bolt 87, a fixing bolt 88, a nut washer 89, a nut 9, a Y-direction adjusting device 91, an adjusting clamp ring 92, a first adjusting washer 93 and a second adjusting washer.
Detailed Description
In order to explain the technical content, structural features, achieved objects and functions of the present invention in detail, the following embodiments are described in detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the laser cutting head disclosed in the present invention comprises a lens mounting support 1, a light inlet channel 2 and a light outlet channel 3 which are arranged in parallel and staggered with each other are arranged in the lens mounting support 1, and a cavity communicating the light inlet channel 2 and the light outlet channel 3 is formed in the lens mounting support 1; the lower end of the light inlet channel 2 is provided with an adjustable mirror 4 which is obliquely arranged, and the upper end of the light outlet channel 3 is provided with a reflective focusing mirror 5 which is parallel to the adjustable mirror 4; the upper end of the light inlet channel 2 is connected with an optical fiber interface 6 through an adjusting component, and a protective glass 7 is arranged in the light outlet channel 3.
The adjusting assembly comprises an X-direction adjusting device 8 and a Y-direction adjusting device 9, the X-direction adjusting device 8 is used for adjusting the bottom end of the optical fiber interface 6 to move along the connecting line of the reflective focusing mirror 5 and the adjustable mirror 4, and the Y-direction adjusting device 9 is used for adjusting the bottom end of the optical fiber interface 6 to move perpendicular to the connecting line of the reflective focusing mirror 5 and the adjustable mirror 4.
With reference to fig. 3 and 4, the X-direction adjusting device 8 includes an installation plate 81 and an adjusting plate 82 disposed at the opening of the light inlet channel 2, the installation plate 81 and the adjusting plate 82 are rectangular plates, and four first screw holes 83 and four second screw holes 84 are respectively disposed at positions of the installation plate 81 and the adjusting plate 82 near four corners; two of the second screw holes 84 on the diagonal are respectively provided with an X positive direction adjusting bolt 85 and an X negative direction adjusting bolt 86, at least one of the two remaining second screw holes 84 is provided with a fixing bolt 87, the parts of the X positive direction adjusting bolt 85, the X negative direction adjusting bolt 86 and the fixing bolt 87, which are positioned below the adjusting plate 82, are sequentially provided with a nut washer 88 and a nut 89 in a penetrating manner, and the nut washer is a copper washer, so that the service life is long.
As shown in fig. 4, a blind hole is formed on the bottom surface of the mounting plate 81 corresponding to the first screw hole 83, and the aperture of the blind hole is larger than that of the first screw hole 83; radially arranged pins are arranged at the bottoms of the X positive direction adjusting bolt 85, the X negative direction adjusting bolt 86 and the fixing bolt 87 in a penetrating mode, the length of each pin is smaller than the aperture of the blind hole and larger than the aperture of the first screw hole 83, and the bolts are prevented from sliding out of the X direction mounting plate 36.
The step of X direction adjustment is as follows:
adjusting in the positive direction: the fixing bolt is not adjusted after the height is determined for the first time, the X positive direction adjusting bolt is rotated to lift the X positive direction adjusting bolt, a nut below the X positive direction adjusting bolt is rotated to enable the nut to be close to the mounting plate, the right angle of the adjusting plate is lifted at the moment and forms an angle with the horizontal plane, the light beam can move to the right, and the incident light beam moves to the X positive direction (the horizontal direction is the right direction as shown in figure 4).
Adjusting the negative direction: after the height of the fixing bolt is determined for the first time, adjustment is not carried out, the X negative direction adjusting bolt is rotated to lift the X negative direction adjusting bolt, meanwhile, a nut below the X negative direction adjusting bolt is rotated to enable the nut to be close to the mounting plate, the left angle of the adjusting plate is lifted at the moment, an angle is formed between the left angle of the adjusting plate and the horizontal plane, the light beam can move to the left, and the incident light beam moves to the X negative direction (the horizontal left direction is shown in figure 4).
As shown in fig. 5, a clamping groove is formed in the outer wall of the optical fiber interface 6, the Y-direction adjusting device 9 includes an adjusting clamp ring 91 that is matched with the clamping groove, the thickness of the adjusting clamp ring 91 is smaller than the width of the clamping groove, a first adjusting shim 92 and a second adjusting shim 93 that are arranged in a one-hundred-eighty degree opposite manner are disposed between the adjusting clamp ring 91 and the mounting plate 81, and a connection line of the first adjusting shim 92 and the second adjusting shim 93 is perpendicular to a connection line of the reflective focusing mirror 5 and the adjustable mirror 4.
The Y-direction adjustment steps are as follows:
when the first spacer and the second spacer with different thicknesses are used, the optical fiber interface and the adjusting plate have different angles, i.e., the incident light beam moves in the positive direction or the negative direction of the Y (the direction perpendicular to the inside and outside of the screen as shown in fig. 4).
As shown in fig. 1, still be equipped with cooling module on lens erection support 1, sensor hole 11 and cooling hole (not drawn in the drawing) have been seted up on lens erection support 1's the lateral wall, cooling module includes the temperature and humidity sensor (not drawn in the drawing, can adopt WM-RH%/RT ℃) that Shanghai Weiming electron mechanical equipment Limited produced and insert the air cock (not drawn in the drawing) in lens erection support 1 through the cooling hole through sensor hole 11 insertion lens erection support 1, temperature and humidity sensor is connected with the controller through the wire (general PLC controller can), the air cock has the fan through the pipe connection who takes the filter core, the fan is connected with the controller electricity.
The number of sensor holes 11 is at least two and is arranged close to the tuneable mirror 4 and the reflective focusing mirror 5, respectively.
As shown in fig. 6 and 7, in another embodiment of the present application, a water cooling block 12 made of a heat conducting material is disposed outside the adjustable mirror 4 and the reflective focusing mirror 5, a water channel 13 is disposed in the water cooling block 12, a water inlet 14 and a water outlet 15 corresponding to two ends of the water channel 13 are disposed on the water cooling block 12, and the water inlet 14 and the water outlet 15 are connected to a water pump through a pipeline.
Compared with the defects of the existing lens type cutting head adopting direct water cooling or air cooling: fogging is very easily caused by direct water cooling, and the lens is very easily polluted by direct air cooling due to various impurities in the air. This application adopts water-cooling and air-cooling mixed protection at adjustable focus border unit and reflection focus border piece unit: temperature and humidity sensors are arranged near the adjustable focusing lens unit and the reflection focusing lens unit, and when the temperature and the humidity reach the set value range, the fan opens a light path and blows in dry gas to cool the lens; meanwhile, the water cooling components in contact with the back surfaces of the adjustable focusing lens unit and the reflection focusing lens unit start to work simultaneously, so that the two lenses are cooled while the two lenses are not in contact with a light path, and the problems of lens fogging and lens pollution are avoided while the cooling effect is ensured.
In summary, the preferred embodiments of the present invention are only examples, and the scope of the present invention is not limited thereto, and all equivalent changes and modifications made in accordance with the scope of the present invention and the contents of the specification are within the scope covered by the present invention.
Claims (7)
1. A laser cutting head, its characterized in that: the lens mounting support comprises a lens mounting support (1), wherein a light inlet channel (2) and a light outlet channel (3) which are arranged in parallel and staggered with each other are arranged in the lens mounting support (1), and a cavity communicated with the light inlet channel (2) and the light outlet channel (3) is formed in the lens mounting support (1); the lower end of the light inlet channel (2) is provided with an adjustable mirror (4) which is arranged in an inclined mode, and the upper end of the light outlet channel (3) is provided with a reflection type focusing mirror (5) which is parallel to the adjustable mirror (4); the upper end of the light inlet channel (2) is connected with an optical fiber interface (6) through an adjusting assembly, and a protective glass (7) is arranged in the light outlet channel (3).
2. A laser cutting head according to claim 1, wherein: the adjusting assembly comprises an X-direction adjusting device (8) and a Y-direction adjusting device (9), the X-direction adjusting device (8) is used for adjusting the bottom end of the optical fiber interface (6) to move along the connecting line of the reflective focusing mirror (5) and the adjustable mirror (4), and the Y-direction adjusting device (9) is used for adjusting the bottom end of the optical fiber interface (6) to be perpendicular to the connecting line of the reflective focusing mirror (5) and the adjustable mirror (4).
3. A laser cutting head according to claim 2, wherein: the X-direction adjusting device (8) comprises an installation plate (81) and an adjusting plate (82) which are arranged at an opening of the light inlet channel (2), the installation plate (81) and the adjusting plate (82) are rectangular plates corresponding to each other, and four first screw holes (83) and four second screw holes (84) are respectively formed in the positions, close to four corners, of the installation plate (81) and the adjusting plate (82); an X positive direction adjusting bolt (85) and an X negative direction adjusting bolt (86) are respectively arranged in two second screw holes (84) positioned on a diagonal line, at least one of the two remaining second screw holes (84) is provided with a fixing bolt (87), and a nut washer (88) and a nut (89) are sequentially arranged in the parts of the X positive direction adjusting bolt (85), the X negative direction adjusting bolt (86) and the fixing bolt (87) positioned below the adjusting plate (82) in a penetrating manner;
the outer wall shaping of optic fibre interface (6) has the draw-in groove, Y direction adjusting device (9) include with draw-in groove complex adjustment clamp ring (91), the thickness of adjustment clamp ring (91) is less than the width of draw-in groove, adjustment clamp ring (91) with be equipped with between mounting panel (81) first adjustment gasket (92) and second adjustment gasket (93) that are one hundred eighty degrees mutual dispositions, the line perpendicular to of first adjustment gasket (92) and second adjustment gasket (93) reflective focusing mirror (5) with the line of adjustable mirror (4).
4. A laser cutting head according to claim 3, wherein: a blind hole is formed in the position, corresponding to the first screw hole (83), of the bottom surface of the mounting plate (81), and the aperture of the blind hole is larger than that of the first screw hole (83); x positive direction adjusting bolt (85) X negative direction adjusting bolt (86) with radially arranged pin is worn to be equipped with in the bottom of fixing bolt (87), the length of pin is less than the aperture of blind hole and be greater than the aperture of first screw (83).
5. A laser cutting head according to claim 4, wherein: still be equipped with cooling module on lens erection support (1), sensor hole (11) and cooling hole have been seted up on the lateral wall of lens erection support (1), cooling module includes through sensor hole (11) insert warm and humid sensor in lens erection support (1) and through the cooling hole inserts air cock in lens erection support (1), warm and humid sensor is connected with the controller through the wire, the air cock has the fan through the tube coupling of taking the filter core, the fan with the controller electricity is connected.
6. A laser cutting head according to claim 5, wherein: the number of the sensor holes (11) is at least two and the sensor holes are respectively arranged close to the adjustable mirror (4) and the reflective focusing mirror (5).
7. A laser cutting head according to claim 5, wherein: the adjustable mirror (4) with the outside of reflective focusing mirror (5) is equipped with water-cooling piece (12) that the heat conduction material was made, be equipped with water course (13) in water-cooling piece (12), seted up on water-cooling piece (12) and corresponded respectively water inlet (14) and delivery port (15) at water course (13) both ends, water inlet (14) with delivery port (15) have the water pump through the tube coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021219941.1U CN212885751U (en) | 2020-06-28 | 2020-06-28 | Laser cutting head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021219941.1U CN212885751U (en) | 2020-06-28 | 2020-06-28 | Laser cutting head |
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| Publication Number | Publication Date |
|---|---|
| CN212885751U true CN212885751U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021219941.1U Active CN212885751U (en) | 2020-06-28 | 2020-06-28 | Laser cutting head |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115781056A (en) * | 2023-01-09 | 2023-03-14 | 广东原点智能技术有限公司 | Laser rotary cutting machine tool and machining method |
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2020
- 2020-06-28 CN CN202021219941.1U patent/CN212885751U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115781056A (en) * | 2023-01-09 | 2023-03-14 | 广东原点智能技术有限公司 | Laser rotary cutting machine tool and machining method |
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