CN220871708U - Beam verticality calibrating device - Google Patents
Beam verticality calibrating device Download PDFInfo
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- CN220871708U CN220871708U CN202322663953.3U CN202322663953U CN220871708U CN 220871708 U CN220871708 U CN 220871708U CN 202322663953 U CN202322663953 U CN 202322663953U CN 220871708 U CN220871708 U CN 220871708U
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- 238000010147 laser engraving Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 25
- 238000000034 method Methods 0.000 description 3
- 238000013102 re-test Methods 0.000 description 3
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 239000000969 carrier Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000012937 correction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
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- 238000012986 modification Methods 0.000 description 1
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- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model provides a beam verticality calibration device, which comprises a base and a device body arranged on the base. The device body includes transparent hemisphere body, and the middle part of hemisphere body is equipped with the vertical alignment hole that sets up along the central line of hemisphere body to and locate a plurality of annular alignment lines on the hemisphere body outer wall, and a plurality of annular alignment lines set gradually by the bottom of hemisphere body to top, and the top of base is equipped with the alignment hole that corresponds to vertical alignment hole setting. According to the beam verticality calibration device, the verticality of the laser beam is verified by arranging the transparent hemispherical body and visually checking whether the beam is completely overlapped with the vertical calibration hole. Through setting up a plurality of annular calibration lines, adjust laser beam according to this angle to can acquire laser beam's angle data fast, improve battery module's welding quality, guarantee welding uniformity.
Description
Technical Field
The utility model relates to the technical field of battery module welding, in particular to a beam verticality calibration device.
Background
With the development of society, energy resources related to human life are paid attention to, and in particular, the demand of electric automobiles is gradually increasing, and in the process of assembling a battery into a module, a pole piece is often required to be welded on a module line by laser welding so as to form the module. Currently, laser welding is mostly applied to welding of bus bars, side plates, nickel plates, and the like.
The existing laser welding stations basically use robots as carriers, and the robots are required to carry vision cameras, distance meters and remote welding heads to realize welding work. In the actual use process, perpendicularity of the distance meter and the laser head relative to the surface of a welded workpiece is difficult to control, the condition that the laser head is inclined to weld frequently occurs, and deviation occurs in out-of-focus welding lines with large lengths. Meanwhile, the range finder has similar problems, poor verticality and deviation between measured values and actual true values.
The existing correction method of verticality mainly depends on experience of debugging personnel, and a person with rich experience can find a proper vertical position according to the change rule of teaching red light. The production mode is uncontrollable in welding quality, high in requirement on operators, low in production efficiency, and poor in welding consistency of the battery module due to the fact that the welding quality of the required welding parts in the module can not be always kept.
Disclosure of utility model
In view of the above, the present utility model is directed to a beam verticality calibration device, which can intuitively and rapidly view a beam angle, and ensure the welding quality of a battery module by calibrating the beam angle.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
A beam verticality calibration device comprises a base and a device body arranged on the base;
The device body comprises a transparent hemispherical body, wherein a vertical calibration hole arranged along the central line of the hemispherical body and a plurality of annular calibration lines arranged on the outer wall of the hemispherical body are arranged in the middle of the hemispherical body, and the annular calibration lines are sequentially arranged from the bottom to the top of the hemispherical body;
The top of base is equipped with the alignment hole that corresponds to vertical alignment hole setting.
Further, the hemispherical body is provided with angle values alpha which are arranged in one-to-one correspondence with the annular calibration lines, and the angle values alpha are used for indicating angles between the annular calibration lines and the bottom surface of the hemispherical body.
Further, the difference beta between the angles of any two adjacent annular calibration lines and the bottom surface of the hemispherical body is the same.
Further, the difference β is between 3 ° and 7 °.
Further, a wire groove which is engraved by laser and is discontinuously arranged along the height direction is arranged in the vertical calibration hole; and/or the number of the groups of groups,
The annular calibration line is a wire groove which is intermittently arranged on the hemispherical body by laser engraving.
Further, the base comprises a base body and a step protruding towards the top of the base body;
The device body is arranged on the step.
Further, the height of the step is 2.5mm-3.5mm, and the distance L between the edge of the step and the edge of the base body is 4.5mm-5.5 mm.
Further, the depth of the calibration hole is between 4mm and 6mm, and the diameter of the calibration hole is between 0.8mm and 1.2 mm.
Further, the device body is adhered to the base.
Compared with the prior art, the utility model has the following advantages:
According to the beam verticality calibration device, the transparent hemispherical body is arranged, the vertical calibration hole is formed in the center line of the hemispherical body, and whether the laser beam is perpendicular to the position to be welded or not is verified by visually checking whether the beam is completely overlapped with the vertical calibration hole. The laser beam is adjusted according to the angle, so that the angle data of the laser beam can be acquired quickly, the welding quality of the battery module is improved, and the welding consistency is ensured.
In addition, through setting up annular calibration line into a plurality of angle values on the hemisphere body, the angle materialization of the position of laser beam on the hemisphere body and hemisphere body bottom surface, the visualization to laser beam's adjustment, acceleration beam's adjustment efficiency and accuracy.
In addition, the numerical accuracy of the calibration device is improved by ensuring that the difference beta between the angles of two adjacent annular calibration lines and the bottom surface of the hemispherical body is the same. The step is arranged on the base, so that the setting of external retest equipment is facilitated, and the accuracy of the calibrating device is improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
fig. 1 is a schematic perspective view of a beam verticality calibration device according to an embodiment of the present utility model;
FIG. 2 is a schematic top view of a beam verticality calibration apparatus according to an embodiment of the present utility model;
Fig. 3 is a schematic cross-sectional view at A-A in fig. 2.
Reference numerals illustrate:
1. A base; 2. a device body;
101. Calibrating the hole; 102. a base body; 103. a step;
201. a hemispherical body; 202. a vertical alignment hole; 203. annular calibration line.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "inner", "back", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. In addition, the terms "first," "second," are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, in the description of the present utility model, the terms "mounted," "connected," and "connected," are to be construed broadly, unless otherwise specifically defined. For example, the connection can be fixed connection, detachable connection or integrated connection; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in combination with specific cases.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
The present embodiment relates to a beam verticality calibration device, which includes a base 1 and a device body 2 disposed on the base 1. The device body 2 comprises a transparent hemispherical body 201, a vertical calibration hole 202 arranged along the center line of the hemispherical body 201 is formed in the middle of the hemispherical body 201, a plurality of annular calibration lines 203 are formed in the outer wall of the hemispherical body 201, the annular calibration lines 203 are sequentially arranged from the bottom to the top of the hemispherical body 201, and the top of the base 1 is provided with the calibration hole 101 corresponding to the vertical calibration hole 202.
According to the beam verticality calibration device of the embodiment, the transparent hemispherical body 201 is arranged, the vertical calibration hole 202 is formed in the center line of the hemispherical body 201, and whether the laser beam is perpendicular to the position to be welded or not is verified by visually checking whether the beam is completely coincident with the vertical calibration hole 202. Still through setting up a plurality of annular calibration lines 203, through the light beam alignment calibration hole 101 to the angle at present light beam and waiting welding position is read through the position of light beam irradiation at hemisphere body sphere, adjusts laser beam according to this angle, thereby can acquire laser beam's angle data fast, improves battery module's welding quality, guarantees welding uniformity.
Based on the above overall description, as shown in fig. 1 and 2, the base 1 of the present embodiment is formed into a cuboid structure, the hemispherical body 201 is formed into a hemispherical structure, and one end of the plane of the hemispherical body is fixed on the plane of the base 1 by means of bonding, clamping, and the like.
It should be noted that, the laser beams described below are all laser beams emitted by the laser welding robot adopted in the prior art, before the beam verticality calibration device of this embodiment is used, the laser head focus is calibrated for the robot, when in use, the calibration device needs to be horizontally placed on the calibration surface of the workpiece or the fixture to be welded, then the laser head is started to teach red light, and the laser welding robot is adjusted by an external adjusting device, so that the teach red light irradiates into the calibration hole 101.
As a possible embodiment, the device body 2 of the present embodiment is adhered to the base 1. The hemispherical body of the embodiment is made of transparent glass, for example, and the device body 2 is adhered to the base, so that the operation is simple and the implementation is easy. Of course, a groove capable of accommodating the bottom of the device body 2 may be formed in the base, and may be connected and fixed by a clamping manner.
As a preferred embodiment, the hemispherical body 201 of the present embodiment is provided with an angle value α corresponding to each of the annular calibration lines 203, where the angle value α is used to indicate the angle between each of the annular calibration lines 203 and the bottom surface of the hemispherical body 201. As shown in fig. 3, the annular calibration line 203 of the present embodiment is annularly arranged along the hemispherical spherical surface, and the angle value α should be set in consideration of the refractive index of light, and by aligning the teaching red light to the calibration hole 101, the position of the surface of the hemispherical body 201 can be directly read by the angle of the annular calibration line 203.
In this embodiment, the annular calibration line 203 is set to a plurality of angle values on the hemispherical body 201, so that the angle between the position of the laser beam on the hemispherical body 201 and the bottom surface of the hemispherical body 201 is embodied and visualized, so as to facilitate the adjustment of the laser beam and accelerate the adjustment efficiency and accuracy of the beam.
As a possible embodiment, the difference β in angle between any two adjacent annular calibration lines 203 and the bottom surface of the hemispherical body 201 is the same. The numerical accuracy of the calibration device is improved by ensuring that the difference beta between the angles of adjacent two annular calibration lines 203 and the bottom surface of the hemispherical body 201 is the same.
As another possible embodiment, the difference β is between 3 ° and 7 °. In specific implementation, the difference β may be a value of 3 °,4 °,5 °,6 °,7 °, and by setting the difference between 3 ° and 7 °, the processing difficulty of the annular calibration line 203 can be reduced when the welding error is satisfied.
In this embodiment, the vertical alignment hole 202 is internally provided with a wire groove engraved by laser and intermittently arranged along the height direction thereof, and the annular alignment wire 203 is a wire groove intermittently arranged on the hemispherical body 201 by laser engraving. Of course, the line grooves of the vertical alignment holes 202 or the annular alignment lines 203 may be drawn lines.
Preferably, the base 1 includes a base body 102 and a step 103 protruding toward the top of the base body 102. The device body 2 is provided on the step 103. In a specific structure, as shown in fig. 1 to 3, the base body 102 of the present embodiment is a cuboid structure, the step 103 at the upper end is smaller than the base body 102, and the hemispherical body 201 is disposed above the step 103.
In this embodiment, in order to retest the effect of the vertical calibration hole 202 on the perpendicularity, by respectively setting a distance meter on the base body 102 and the step 103, measuring the distance from the step 103 to the calibration surface of the workpiece or the fixture to be welded through the distance meter, and judging whether the difference between the measured values of the distance from the base body 102 to the calibration surface of the workpiece or the fixture to be welded is equal to the height of the step 103. By providing the step 103 on the base, the setting of the external retest equipment is facilitated, and the accuracy of the calibration device is improved.
Preferably, the height of the step 103 is between 2.5mm and 3.5mm, and the distance L between the edge of the step 103 and the edge of the base body 102 is between 4.5mm and 5.5 mm. In practice, the height of the step 103 is, for example, 2.5mm,2.8mm,3mm,3.2mm,3.5mm, etc., and the distance L between the edge of the step 103 and the edge of the base body 102 is, for example, 4.5mm,4.8mm,5mm,5.3mm,5.5mm, etc.
Preferably, the depth of the calibrated holes 101 is between 4mm and 6mm, and the diameter of the calibrated holes 101 is between 0.8mm and 1.2 mm. In specific implementation, the depth of the calibration hole 101 is a value such as 4mm,5mm,6mm, etc., the calibration hole 101 is coaxial with the vertical calibration hole 202, and when the laser teaching red light irradiates, if the light rays reach the calibration hole 101 along the vertical calibration hole 202, the laser beam can be visually detected to be perpendicular to the position to be welded.
The diameter of the calibration hole 101 is, for example, 0.8mm,0.9mm,1.0mm,1.1mm,1.2mm, or the like. The diameter of the calibration hole 101 in this embodiment is not easy to be too large, so as to prevent the situation that the verticality detection of the inclined light beam is inaccurate due to the too large calibration hole 101 during detection.
According to the beam verticality calibration device of the embodiment, the verticality of the laser beam is verified by arranging the transparent hemispherical body 201 and arranging the vertical calibration hole 202 on the central line of the hemispherical body 201 and visually checking whether the beam and the vertical calibration hole 202 are completely overlapped. Through setting up a plurality of annular calibration lines 203, with the angle that the light beam shines the position at hemisphere body sphere read present light beam and wait to weld the position, adjust laser beam according to this angle to can acquire laser beam's angle data fast, improve battery module's welding quality, guarantee welding uniformity.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (9)
1. The utility model provides a beam verticality calibrating device which characterized in that:
Comprises a base and a device body arranged on the base;
The device body comprises a transparent hemispherical body, wherein a vertical calibration hole arranged along the central line of the hemispherical body and a plurality of annular calibration lines arranged on the outer wall of the hemispherical body are arranged in the middle of the hemispherical body, and the annular calibration lines are sequentially arranged from the bottom to the top of the hemispherical body;
The top of base is equipped with the alignment hole that corresponds to vertical alignment hole setting.
2. The beam verticality calibration apparatus of claim 1, wherein:
The hemispherical body is provided with angle values alpha which are arranged in one-to-one correspondence with the annular calibration lines, and the angle values alpha are used for indicating angles between the annular calibration lines and the bottom surface of the hemispherical body.
3. The beam verticality calibration apparatus of claim 2, wherein:
The difference beta of the angles between any two adjacent annular calibration lines and the bottom surface of the hemispherical body is the same.
4. A beam verticality calibration apparatus according to claim 3, wherein:
The difference beta is between 3 deg. -7 deg..
5. The beam verticality calibration apparatus of claim 1, wherein:
A wire slot which is engraved by laser and is discontinuously arranged along the height direction is arranged in the vertical calibration hole; and/or the number of the groups of groups,
The annular calibration line is a wire groove which is intermittently arranged on the hemispherical body by laser engraving.
6. The beam verticality calibration apparatus of claim 1, wherein:
The base comprises a base body and a step protruding towards the top of the base body;
The device body is arranged on the step.
7. The beam verticality calibration apparatus of claim 6, wherein:
the height of the step is 2.5mm-3.5mm, and the distance L between the edge of the step and the edge of the base body is 4.5mm-5.5 mm.
8. The beam verticality calibration apparatus of claim 1, wherein:
the depth of the calibration holes is between 4mm and 6mm, and the diameter of the calibration holes is between 0.8mm and 1.2 mm.
9. The beam verticality calibration apparatus according to any one of claims 1 to 8, wherein:
the device body is adhered to the base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322663953.3U CN220871708U (en) | 2023-09-28 | 2023-09-28 | Beam verticality calibrating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322663953.3U CN220871708U (en) | 2023-09-28 | 2023-09-28 | Beam verticality calibrating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220871708U true CN220871708U (en) | 2024-04-30 |
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ID=90812005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322663953.3U Active CN220871708U (en) | 2023-09-28 | 2023-09-28 | Beam verticality calibrating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220871708U (en) |
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2023
- 2023-09-28 CN CN202322663953.3U patent/CN220871708U/en active Active
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