CN212946021U - Laser rotary pendulum cutting head light modulation device - Google Patents
Laser rotary pendulum cutting head light modulation device Download PDFInfo
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- CN212946021U CN212946021U CN202021219876.2U CN202021219876U CN212946021U CN 212946021 U CN212946021 U CN 212946021U CN 202021219876 U CN202021219876 U CN 202021219876U CN 212946021 U CN212946021 U CN 212946021U
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Abstract
The utility model discloses a laser rotary pendulum cutting head light modulation device, which comprises a shell, wherein a photoelectric position sensitive device is arranged in the shell through a mounting seat component, a light inlet is arranged on the shell and positioned right above the photoelectric position sensitive device, a light guide cylinder is vertically arranged outside the light inlet, and a protective lens is arranged in the light guide cylinder; an integrated circuit board connected with the photoelectric position sensitive device is also arranged in the shell, and the integrated circuit board is connected with a display device. The above device of the utility model, utilize the light guide cylinder simulation and measure under the operating condition laser and revolve the incident light's of pendulum cutting head nozzle department laser relevant parameter, can realize the high accuracy adjustment of laser pendulum cutting head according to the measuring result.
Description
Technical Field
The utility model relates to a laser cutting equipment technical field, concretely relates to laser revolves pendulum cutting head device of adjusting luminance.
Background
The laser rotary pendulum cutting head is a rotary pendulum double-shaft laser processing head, is mainly used for processing special-shaped curved surfaces, such as laser three-dimensional cutting, laser welding, laser cladding application and the like, and has the characteristics of high processing precision, high processing speed and the like. The laser passes through the rotary swing head and generally passes through a laser interface, a protective lens, a reflecting lens A, a reflecting lens B, a focusing lens, a focusing protective lens and the like, in production, due to the error of the rotary swing double-shaft laser processing head, in addition, the light path is very easy to deviate through the multiple reflecting lenses, the deviation on the light path enables the laser cutting head to fail to meet the requirements of processing quality and precision, and the processed workpiece can generate size deviation.
Chinese patent document CN 103831665 a (application number: 201210484276.2) discloses a method for detecting and correcting the positioning accuracy of a rotating shaft of a five-axis machine tool simply and quickly. Chinese patent document CN 107717219 a (application number 201711219561.0) discloses a method for compensating RTCP precision errors in a five-axis three-dimensional laser cutting machine. And (3) comprehensive evaluation: no correction of the optical path in the yaw axis is involved.
The traditional deviation of the optical path is detected by light emission. Because the accuracy requirement of the rotary pendulum shaft processing head is very high, the method is difficult to detect the deviation of light, and particularly the rotary pendulum shaft processing head detects the relative deviation of the light from all directions.
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 revolves pendulum cutting head device of adjusting luminance, concrete scheme is as follows:
the photoelectric position sensor is arranged in the shell through a mounting seat assembly, a light inlet is formed in the shell and is positioned right above the photoelectric position sensor, a light guide tube is vertically arranged outside the light inlet, and a protective lens is arranged in the light guide tube; and an integrated circuit board connected with the photoelectric position sensitive device is further arranged in the shell, and the integrated circuit board is connected with a display device.
Further, the mounting base assembly comprises a mounting base used for fixing the photoelectric position sensitive device, and the mounting base is arranged right below the light guide cylinder through an upper mounting base.
Furthermore, the light guide cylinder is detachably connected with the shell through a connecting cylinder, and the connecting cylinder is fixedly connected to the shell and is coaxially arranged with the light inlet; the aperture of the light inlet hole is smaller than the inner diameter of the connecting cylinder, the inner diameter of the connecting cylinder is equal to the inner diameter of the light guide cylinder, and the outer diameter of the connecting cylinder is smaller than the outer diameter of the light guide cylinder; the inner wall shaping of connecting cylinder has the spread groove, the degree of depth of spread groove equals the thickness of connecting cylinder, the width of spread groove equals the height of connecting cylinder, the outer wall of connecting cylinder with the inner wall of spread groove is equipped with the screw thread of mutually supporting.
Furthermore, the protective lens is arranged in the connecting cylinder through a pressing ring, the pressing ring and the connecting cylinder are coaxially arranged, and the protective lens is fixedly connected to the pressing ring; the outer diameter of the pressing ring is matched with the inner diameter of the connecting cylinder, and threads matched with each other are arranged on the outer wall of the pressing ring and the inner wall of the connecting cylinder.
Furthermore, the display device is an OLED flexible display screen arranged on the side wall of the shell, and one side of the display device is provided with a plurality of operating buttons connected with the integrated circuit board.
Further, the plurality of operation buttons include at least one switch button and a reset button.
Further, the display device is an external display, and the external display comprises a switch button and a reset button.
The beneficial effects of the utility model reside in that:
the utility model provides a pair of laser revolves pendulum cutting head device of adjusting luminance utilizes the light guide tube simulation and measures under the operating condition laser and revolves the relevant parameter of the incident light of pendulum cutting head nozzle department laser, can realize the high accuracy adjustment of laser pendulum cutting head according to the measuring result.
Drawings
Figure 1 is a structural perspective view of the utility model,
figure 2 is a front view of the structure of the utility model,
figure 3 is a cross-sectional view a-a of figure 2,
figure 4 is a schematic view of the dimmer mounted on the cutting head with the cutting head axis of rotation at 0,
figure 5 is a schematic view of the display device after the cutting head rotation axis is 0 deg. and the reset button is pressed,
figure 6 is a schematic view of the dimmer mounted on the cutting head with the cutting head axis of rotation at 180,
figure 7 is a schematic view of the display device after the cutting head has rotated 180 deg. and the reset button has been pressed,
figure 8 is a schematic view of the dimmer mounted on the cutting head with the cutting head axis of oscillation at 0,
figure 9 is a schematic view of the display device after the cutting head has a 0 deg. pivot axis and the reset button has been pressed,
figure 10 is a schematic view of the dimmer mounted on the cutting head with the cutting head axis of oscillation at 90,
figure 11 is a schematic view of the display device after the cutting head has been pivoted 90 deg. and the reset button has been pressed,
FIG. 12 is a schematic illustration of the specified range.
Figure number and name: 1. the photoelectric position sensing device comprises a shell, 2, a mounting seat assembly, 21, a mounting base, 22, a mounting upper seat, 3, a photoelectric position sensing device, 4, a light inlet hole, 5, a light guide cylinder, 6, a protective lens, 7, an integrated circuit board, 8, a display device, 81, an operation button, 9, a connecting cylinder, 10 and a pressing ring.
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. 1-3, the utility model discloses a laser rotary pendulum cutting head light modulation device, including shell 1, be equipped with photoelectric position sensing device 3(PS D sensor, preferred two-dimensional PSD sensor, it can both reflect facula position in X direction and Y direction) through mount pad subassembly 2 in shell 1, the light inlet hole 4 has been seted up directly over photoelectric position sensing device 3 on shell 1, light guide tube 5 is equipped with perpendicularly outside light inlet hole 4, be equipped with protection lens 6 in the light guide tube 5; an integrated circuit board 7 connected with the photoelectric position sensitive device 3 is also arranged in the shell 1, and the integrated circuit board 7 is connected with a display device 8.
The length of the light guide cylinder 5 can be adjusted according to the actual working condition, and the photoelectric position sensor 3 is positioned at the focus (and the periphery) of the laser rotary-pendulum cutting head when the light guide cylinder is connected to the laser rotary-pendulum cutting head, so that the PSD sensor in the light dimming device can accurately simulate the state of a light path at the nozzle when the cutting head is in the working state.
The mounting seat assembly 2 comprises a mounting base 21 for fixing the photoelectric position sensitive device 3, and the mounting base 21 is arranged right below the light guide cylinder 5 through a mounting upper seat 22.
The light guide cylinder 5 is detachably connected with the shell 1 through a connecting cylinder 9, and the connecting cylinder 9 is fixedly connected to the shell 1 and is coaxially arranged with the light inlet 4; the aperture of the light inlet hole 4 is smaller than the inner diameter of the connecting cylinder 9, the inner diameter of the connecting cylinder 9 is equal to the inner diameter of the light guide cylinder 5, and the outer diameter of the connecting cylinder 9 is smaller than the outer diameter of the light guide cylinder 5; the inner wall shaping of connecting cylinder 9 has the spread groove, and the degree of depth of spread groove equals the thickness of connecting cylinder 9, and the width of spread groove equals the height of connecting cylinder 9, and the outer wall of connecting cylinder 9 and the inner wall of spread groove are equipped with the screw thread of mutually supporting.
The protective lens 6 is arranged in the connecting cylinder 9 through a pressing ring 10, the pressing ring 10 and the connecting cylinder are coaxially arranged, and the protective lens 6 is fixedly connected to the pressing ring 10; the outer diameter of the pressing ring 10 is matched with the inner diameter of the connecting cylinder 9, and the outer wall of the pressing ring 10 and the inner wall of the connecting cylinder 9 are provided with threads matched with each other.
Through the structure, the incident state of the light path at the nozzle in the actual working process can be accurately measured in real time through the display device outside the laser rotary pendulum cutting head to be dimmed, and the cutting head can be adjusted with high precision according to the measurement result.
The display device 8 is an OLED flexible display screen disposed on the side wall of the housing 1, and one side of the display device 8 is provided with a plurality of operation buttons 81 (which may also be a display terminal with operation buttons connected by wire or wirelessly, not shown in the drawings) connected to the integrated circuit board 7.
The plurality of operation buttons 81 at least include a switch button for controlling the start and stop of the display device and a reset button for capturing the position of the indication light spot by the cross cursor on the display screen.
Referring to fig. 4-11, the working method of the present invention is as follows:
taking down a servo sensor of the laser rotary pendulum cutting head, installing a light guide tube on the cutting head, and enabling a display device to start working through an operation button;
adjusting the rotating shaft of the cutting head to 0 degree, observing the position of the indicating light from the display device, and then pressing a reset button, wherein the center of a cross cursor of the display device is positioned at the position of the indicating light;
adjusting the rotating shaft of the cutting head to 180 degrees, observing the position of the indicating light, and adjusting the laser rotary pendulum cutting head according to the deviation position of the indicating light relative to the center of the cross cursor, so that the indicating light is positioned in a specified range when the rotating shaft of the cutting head is at the 180-degree position;
rotating the rotating shaft of the cutting head in a reciprocating manner to minimize the offset of the indicating light in a specified range between 0 DEG and 180 DEG relative to the center of the cross cursor;
after the position is reached, the offset of the indicating light is minimized when the rotating shaft of the reciprocating observation cutting head is respectively positioned at four positions of 0 degree, 90 degrees, 180 degrees and 270 degrees, so that the offset of the indicating light is minimized when the observation cutting head is positioned at the four positions;
adjusting the oscillating shaft of the laser rotary-oscillating cutting head to 0 degree, pressing a reset button, and enabling a cross cursor of a display device to fall on the center of the indicating light;
respectively adjusting the swinging shaft of the laser rotary-swing cutting head to 90 degrees and-90 degrees (a schematic diagram when the swinging shaft is at-90 degrees and the position of the indicating light at the moment are not drawn in the drawing), observing the offset of the position of the indicating light in the display device relative to the center of the cross cursor, and adjusting the laser rotary-swing cutting head to ensure that the indicating light in the display device is positioned in a specified range when the swinging shaft of the laser rotary-swing cutting head is at the positions of 90 degrees and-90 degrees;
and repeatedly adjusting the swinging shaft of the rotary cutting head to ensure that the offset of the indicating light of the swinging shaft of the cutting head within a specified range between 90 degrees and 90 degrees relative to the center of the cross cursor is minimum.
Referring to fig. 12, the designated range refers to a circular area with the center of the cross cursor as the radius of the dot R, wherein
(i.e. less than half of the distance of the deviation of the indicating light relative to the center of the cross cursor before the laser rotary-swing cutting head is adjusted; theoretically the optimal designated range R is 0, i.e. the indicating light falls on the center of the cross cursor after the laser rotary-swing head is adjusted, but the practical material and processing process limitations cause the indicating light to fall on the center of the cross cursor
In another embodiment of this application, display device can adopt external display, and it is connected with integrated circuit board through wired or wireless, can show the position of instructing light falling point and cross cursor more clearly, need not the operating personnel to take a lot of to observe the little screen on the adjusting device, further improves the precision of cutting head adjustment.
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. The utility model provides a laser rotary pendulum cutting head device of adjusting luminance, includes shell (1), its characterized in that: a photoelectric position sensitive device (3) is arranged in the shell (1) through a mounting seat component (2), a light inlet hole (4) is formed in the shell (1) and is positioned right above the photoelectric position sensitive device (3), a light guide tube (5) is vertically arranged outside the light inlet hole (4), and a protective lens (6) is arranged in the light guide tube (5); an integrated circuit board (7) connected with the photoelectric position sensitive device (3) is further arranged in the shell (1), and the integrated circuit board (7) is connected with a display device (8).
2. The laser rotary pendulum cutting head dimming device of claim 1, wherein: the mounting base assembly (2) comprises a mounting base (21) used for fixing the photoelectric position sensitive device (3), and the mounting base (21) is arranged under the light guide cylinder (5) through a mounting upper base (22).
3. The laser rotary pendulum cutting head dimming device of claim 2, wherein: the light guide cylinder (5) is detachably connected with the shell (1) through a connecting cylinder (9), and the connecting cylinder (9) is fixedly connected to the shell (1) and is coaxially arranged with the light inlet hole (4); the aperture of the light inlet (4) is smaller than the inner diameter of the connecting cylinder (9), the inner diameter of the connecting cylinder (9) is equal to the inner diameter of the light guide cylinder (5), and the outer diameter of the connecting cylinder (9) is smaller than the outer diameter of the light guide cylinder (5); the inner wall shaping of connecting cylinder (9) has the spread groove, the degree of depth of spread groove equals the thickness of connecting cylinder (9), the width of spread groove equals the height of connecting cylinder (9), the outer wall of connecting cylinder (9) with the inner wall of spread groove is equipped with the screw thread of mutually supporting.
4. The laser rotary pendulum cutting head dimming device of claim 3, wherein: the protective lens (6) is arranged in the connecting cylinder (9) through a pressing ring (10), the pressing ring (10) and the connecting cylinder are coaxially arranged, and the protective lens (6) is fixedly connected to the pressing ring (10); the outer diameter of the pressing ring (10) is matched with the inner diameter of the connecting cylinder (9), and threads matched with each other are arranged on the outer wall of the pressing ring (10) and the inner wall of the connecting cylinder (9).
5. The laser rotary pendulum cutting head dimming device of claim 4, wherein: display device (8) are for locating OLED flexible display screen on shell (1) lateral wall, one side of display device (8) be equipped with a plurality of with operating button (81) that integrated circuit board (7) are connected.
6. The laser rotary pendulum cutting head dimming device of claim 5, wherein: the plurality of operating buttons (81) comprise at least one switch button and one reset button.
7. The laser rotary pendulum cutting head dimming device of claim 4, wherein: the display device (8) is an external display, and the external display comprises a switch button and a reset button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021219876.2U CN212946021U (en) | 2020-06-28 | 2020-06-28 | Laser rotary pendulum cutting head light modulation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021219876.2U CN212946021U (en) | 2020-06-28 | 2020-06-28 | Laser rotary pendulum cutting head light modulation device |
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| CN212946021U true CN212946021U (en) | 2021-04-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021219876.2U Active CN212946021U (en) | 2020-06-28 | 2020-06-28 | Laser rotary pendulum cutting head light modulation device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702325A (en) * | 2020-06-28 | 2020-09-25 | 北京欧普蓝激光科技有限公司 | Laser rotary-pendulum cutting head dimming device and adjusting method |
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2020
- 2020-06-28 CN CN202021219876.2U patent/CN212946021U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111702325A (en) * | 2020-06-28 | 2020-09-25 | 北京欧普蓝激光科技有限公司 | Laser rotary-pendulum cutting head dimming device and adjusting method |
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