CN219310383U

CN219310383U - Angle measurer and laser welding head

Info

Publication number: CN219310383U
Application number: CN202222964410.0U
Authority: CN
Inventors: 王沐
Original assignee: Beijing CHJ Automobile Technology Co Ltd
Current assignee: Beijing CHJ Automobile Technology Co Ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-07-07
Anticipated expiration: 2032-11-08

Abstract

The present disclosure relates to the field of measuring devices, and more particularly, to an angle measurer and a laser welding head. The device comprises a first angle measuring instrument, wherein the first angle measuring instrument comprises a first cover plate and a first bottom plate; the first cover plate and the first bottom plate can rotate relatively; the first cover plate and the first bottom plate are respectively provided with a first measuring scale; the first measurement scale on the first cover plate remains pointing unchanged. According to the angle measurer, through relative rotation between the first cover plate and the first bottom plate, under the condition that the first bottom plate moves along with a measured device, the angle change condition of the measured device can be obtained in real time through the change condition of the included angle between the first measurement scale on the first bottom plate and the first measurement scale which is invariable in the pointing direction on the first cover plate.

Description

Angle measurer and laser welding head

Technical Field

The present disclosure relates to the field of measuring devices, and more particularly, to an angle measurer and a laser welding head.

Background

Fiber laser welding heads are important components in fiber laser welding, and in experiments or production, the horizontal and vertical angles of the weld need to be adjusted to achieve control over the laser incidence angle.

Because the fiber laser welding head does not have an angle measurement function, a common way for measuring the angle of the welding head is to observe the angle of the welding head by using an angle measuring instrument by one person leaning on the side wall of the welding head, so that the change of the angle of the laser welding head in the experimental or production process cannot be displayed timely and intuitively.

Disclosure of Invention

In order to solve the technical problems, the present disclosure provides an angle measurer.

The present disclosure provides an angle measurer, a first angle measurer, the first angle measurer comprising a first cover plate and a first base plate; one of the first cover plate and the first bottom plate is fixed on a first rotating shaft, and the other part is rotatably connected with the first rotating shaft; the first angle measuring instrument is further provided with a first measuring scale, and the first measuring scale comprises a first angle scale and a first pointing scale; one of the first angle scale and the first pointing scale is arranged on the first cover plate, and the other scale is arranged on the first bottom plate; the first measurement scale on the first cover plate remains pointing unchanged.

The angle measurer provided by the disclosure realizes relative rotation between the first cover plate and the first bottom plate through the first rotating shaft, and under the condition that the first bottom plate moves along with a measured device, the angle between the first measuring scale on the first bottom plate and the first measuring scale which is invariable in the pointing direction on the first cover plate can be changed, namely, the angle change condition of the measured device can be obtained in real time

Optionally, the first measurement scale on the first bottom plate is disposed on the bottom surface of the first bottom plate; the first cover plate is arranged on one side of the first bottom plate with the first measurement scale; the first cover plate plane where the first measurement scale is located on the first cover plate is parallel to the first base plate plane where the first measurement scale is located on the first base plate; the first cover plate is made of a transparent material.

Optionally, a permanent magnet is arranged on the edge of the surface of the first cover plate where the first measurement scale is located.

Optionally, the first rotating shaft comprises a first cylinder and a second cylinder which are coaxially connected; the first cover plate is abutted against the bottom surface of the second cylinder where the joint of the second cylinder and the first cylinder is located; the first cover plate is detachably connected with the bottom surface, and the first bottom plate is rotatably connected with the first rotating shaft.

Optionally, a flange is provided at an edge of the first cover plate, and the flange extends from the edge of the first cover plate to the first bottom plate.

Optionally, the angle measurer comprises a second angle measurer and a mounting baseplate; the second angle measuring instrument comprises a second cover plate and a second bottom plate; one of the second cover plate and the second bottom plate is fixed on a second rotating shaft, and the other part is rotatably connected with the second rotating shaft; the second angle measuring instrument is further provided with a second measuring scale, the second measuring scale comprises a second angle scale and a second direction scale, and the second angle scale and the second direction scale are respectively arranged on the second cover plate and the second bottom plate; the second measurement scale of the second cover plate remains pointing unchanged; the first angle measuring instrument and the second angle measuring instrument are respectively arranged on the mounting baseplate through the first baseplate and the second baseplate.

Further, at least one of the first base plate and the second base plate is integrally formed with the mounting base plate.

Further, a spacer is arranged between the first measuring instrument and the second measuring instrument, and the projection of the first measuring instrument on the spacer does not exceed the spacer.

In a second aspect, the present disclosure provides a laser welding head comprising an angle measurer as described above.

Optionally, the laser welding head comprises a welding head side wall, and the mounting bottom plate is clamped and fixed on the welding head side wall through a C-shaped clamp.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments of the present disclosure or the solutions in the prior art, the drawings that are required for the description of the embodiments or the prior art will be briefly described below, and it will be obvious to those skilled in the art that other drawings can be obtained from these drawings without inventive effort.

FIG. 1 is a schematic view of an angle measurer according to an embodiment of the disclosure;

FIG. 2 is a left side view of an angle measurer according to an embodiment of the present disclosure;

fig. 3 is a schematic view of an angle measurer according to an embodiment of the disclosure.

1, a first angle measuring instrument; 11. a first cover plate; 12. a first base plate; 2. a second angle measuring instrument; 21. a second cover plate; 22. a second base plate; 3. a mounting base plate; 4. a first measurement scale; 41. a first angle scale; 42. a first pointing scale; 5. a first rotating shaft; 6. a partition plate; 7. c-shaped pliers; 8. and welding the side wall of the head by laser.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, a further description of aspects of the present disclosure will be provided below. It should be noted that, without conflict, the embodiments of the present disclosure and features in the embodiments may be combined with each other.

The angle measurer provided by the embodiment comprises a first angle measurer 1, wherein the first angle measurer 1 comprises a first cover plate 11 and a first bottom plate 12 and is provided with a first measuring scale 4; the first cover plate 11 and the first bottom plate 12 are in relative rotatable connection through the first rotating shaft 5, wherein the rotatable connection means that one of the first cover plate 11 and the first bottom plate 12 is fixed relative to the first rotating shaft 5 in a static manner, and the other part of the first cover plate and the first bottom plate is in rotatable connection with the first rotating shaft 5; the first measurement scale 4 comprises a first angle scale 41 and a first pointing scale 42, the first angle scale 41 and the first pointing scale 42 are respectively arranged on the first cover plate 11 and the first base plate 12, the arrangement respectively means that the first angle scale 41 is arranged on the first cover plate 11 or the first base plate 12, and meanwhile, the first pointing scale 42 is arranged on a part, which is not provided with the first angle scale 41, of the first cover plate 11 and the first base plate 12; the first measuring graduation 4 on the first cover plate 11 can be kept pointing unchanged. The first angle scale 41 determines specific forms such as scale intervals according to the required measurement accuracy, for example, the required measurement accuracy is 1 °, the number of scales in the first angle scale 41 is 360, and if only the angle measuring instrument is required to reflect the change of the angle of the measured device, only one first angle scale 41 is required.

The angle measurer provided by the disclosure realizes relative rotation between the first cover plate 11 and the first bottom plate 12 through the rotating shaft, under the condition that the first bottom plate 12 moves along with a measured device, the condition of changing the included angle between the first measurement scale 4 on the first bottom plate 12 and the first measurement scale 4 which is invariable in the pointing direction on the first cover plate can be obtained in real time, and the condition of changing the angle of the measured device can be obtained without the assistance of other personnel and other tools.

In some embodiments, the first measurement scale 4 on the first base plate 12 is disposed on a side wall of the first base plate 12, and the first measurement scale 4 is preferably not perpendicular to the bottom surface of the first base plate 12, so as to be convenient for an operator to observe; the number of first measuring graduations 4 on the first base plate 12 can be only one or a plurality, and is related to the accuracy of the angle change to be observed by the measured device. At this time, the angle between the first measuring graduation 4 on the side wall of the first base plate 12 and the first measuring graduation 4 on the first cover plate or the angle of the measured device can be changed.

Preferably, the first measuring scale 4 on the first base plate 12 is arranged on the bottom surface of the first base plate 12, the first cover plate 11 is made of transparent material, and the superposition of the first angle scale 41 and the first pointing scale 42 can be observed through the first cover plate 11; the first cover plate plane where the first measurement scale 4 is located on the first cover plate 11 is parallel to the first base plate plane where the first measurement scale 4 is located on the first base plate 12, so that the accuracy and the reliability of observing the angle change through the first angle measuring instrument 1 are ensured; the first cover plate 11 is arranged on one side of the first base plate 12 with the first measuring scale 4; this configuration allows the observer to obtain the angular change of the device under test from one direction.

The first cover plate 11 may be made of a transparent material such as polystyrene, polymethyl methacrylate, polycarbonate, etc.; preferably, the first cover plate 11 is made of polymethyl methacrylate, and the material has the advantages of high transparency, high strength, low price and the like, and is convenient for operators to observe and read while ensuring the strength of the first cover plate 11.

In some embodiments, the first base plate 12 is made of an aluminum alloy, preferably 6061-T6 aluminum, which is lightweight, corrosion resistant, and strong, to ensure that the angle gauge does not interfere with the operation of the equipment it measures and to enhance the durability of the angle gauge itself. In some embodiments, the first base plate 12 is also made of a transparent material such as polystyrene, polymethyl methacrylate, polycarbonate, or the like.

In some embodiments, the first cover plate is connected to an external fixed structure by a wire harness so as to enable the first measurement scale 4 on the first cover plate 11 to always point in one direction. In some embodiments, the edge of the surface of the first cover plate 11 where the first measurement scale 4 is located is provided with a counterweight structure (such as a bump with a certain weight, a counterweight is stuck, etc.), by gravity, the first measurement scale 4 on the first cover plate 11 is always directed in the direction of gravity application, and by gravity, the advantage of realizing that the first measurement scale 4 on the first cover plate 11 is not changed is that an external fixing structure is not required, and the use steps of the angle measuring instrument are simplified. Preferably, the edge of the surface of the first measurement scale 4 on the first cover plate 11 is provided with a permanent magnet, the first measurement scale 4 on the first cover plate 11 always points to the position of the external positioning permanent magnet through the attractive force of the permanent magnet at the external fixed position, and the advantage of unchanged pointing of the first measurement scale 4 on the first cover plate 11 is realized through magnetic force, so that the pointing of the first measurement scale 4 can be changed to adapt to different application conditions, and meanwhile, the pointing changing operation is simple and convenient.

In some embodiments, the edge of the first cover plate 11 is provided with a flange, and the flange extends from the edge of the first cover plate 11 to the first bottom plate 12, so that external water, dust and other substances can be prevented from invading the inside of the first angle measuring instrument 1, and the service life of the first angle measuring instrument 1 is prolonged.

In some embodiments, a specific scale of the first angle scale 41 is provided with a visual highlighting (such as a tracing scale, a thickening scale, a lengthening scale, etc.), so that the device angle of the angle measurer can be quickly adjusted, where the specific scale corresponds to a target angle that is required to be adjusted by a device measured by the angle measurer commonly used in a certain scene.

In some embodiments, the first rotating shaft 5 comprises a first cylinder and a second cylinder which are coaxially connected, the diameter of the first cylinder is smaller than that of the second cylinder, the first cylinder is fixedly connected with the first cover plate 11, the second cylinder is rotatably connected with the first bottom plate 12, and the first cover plate 11 is abutted on the bottom surface of the second cylinder where the second cylinder is connected with the first cylinder; the abutting bottom surfaces of the first cover plate 11 and the second cylinder are respectively provided with a matched clamping groove and a clamping hook, which are used for detachably connecting the first cover plate 11 with the first rotating shaft 5, so that the replacement of the first cover plate 11 can realize the combination change between the first angle scale 41 and the angle scale 42 in the first measurement scale 4 to adapt to different requirements (such as precision, rapid adjustment of target angle and the like) of the angle measurer under different scenes; the detachable connection of the first cover plate 11 and the first rotating shaft 5 may also be achieved by providing spaced permanent magnets or magnetic rings around the inner diameter of the first cover plate 11, while providing spaced permanent magnets or magnetic rings of opposite polarity on the abutment bottom surface.

In some embodiments, the first base plate 12 extends with a hinge capable of hovering at a variable angle, and the connecting end of the hinge can be directly connected with the side wall of the measured device, so that the direction of the angle measured by the first angle measuring instrument 1 can be conveniently adjusted to adapt to different measuring requirements. The direction of the extending hinge can be parallel to the direction of the first cover plate plane and perpendicular to the direction of the first cover plate plane, or the hinge can be extended at a certain angle with the direction of the first cover plate plane, and the specific processing difficulty is determined.

When in use, the first bottom plate 12 in the first angle measuring instrument 1 is fixed on the side wall of the measured device, after the angle of the measured device changes, the first bottom plate 12 and the first cover plate 11 which are relatively static with the side wall relatively rotate, at this time, the angle change or more accurate value of the angle change of the measured device can be observed through the included angles between the first measuring scales 4 respectively arranged on the first bottom plate 12 and the first cover plate 11, and the value of the angle change refers to the specific value of the first angle scale 41 corresponding to the first pointing scale 42, namely the angle of rotation of the measured plane relative to the direction pointed by the first pointing scale 42 (for example, the fiber laser welding head) relatively static with the measured plane. In the use process of the whole first angle measuring instrument 1, an operator does not need other personnel to assist, other operations are not needed after the fixing, and the real-time change of the reading of the first angle measuring instrument 1 ensures that the angle change of a measuring device in the experiment or production process can be timely and intuitively found.

In some embodiments, the angle measurer includes a first angle measurer 1, a second angle measurer 2, and a mounting baseplate 3; the second angle measuring instrument 2 comprises a second cover plate 21 and a second bottom plate 22 and is provided with a second measuring scale; the second cover plate 21 and the second bottom plate 22 are in relative rotary connection through a second rotating shaft, wherein the rotary connection means that one of the second cover plate 21 and the second bottom plate 22 is fixed relative to the second rotating shaft in a static manner, and the other part is in rotary connection with the second rotating shaft; the second measurement scale comprises a second angle scale and a second direction scale, the second angle scale and the second direction scale are respectively arranged on the second cover plate 21 and the second bottom plate 22, the arrangement respectively means that the second angle scale is arranged on the second cover plate 21 or the second bottom plate 22, and meanwhile, the second direction scale is arranged on a part, which is not provided with the second angle scale, of the second cover plate 21 and the second bottom plate 22; the second measurement scale of the second cover plate 21 can remain pointing unchanged; the first angle measuring instrument 1 and the second angle measuring instrument 2 are respectively fixed on the mounting baseplate 3 through the first baseplate 11 and the second baseplate 22, and the multi-angle simultaneous measurement of the angle measuring instruments is realized through arranging a plurality of angle measuring instruments. In a further embodiment, the mounting base plate 3 is made of 6061-T6 aluminum alloy, and the material is light in weight, strong in corrosion resistance and high in strength, so that the operation of the measured equipment of the angle measurer is not influenced as much as possible, and the durability of the angle measurer is enhanced. In a further embodiment, at least one of the first base plate 11 and the second base plate 22 is integrally formed with the mounting base plate 3, increasing the reliability and durability of the angle measurer. In a further embodiment, the second base plate 22 of the second angle measuring device 2 is part of the mounting base plate 3, which simplifies the manufacture of the angle measuring device. In a further embodiment, a spacer 6 is arranged between the first measuring instrument 1 and the second measuring instrument 2, the projection of the first measuring instrument 1 onto the spacer 6 not exceeding the spacer 6, thereby preventing the second measuring instrument 2 from being damaged in connection with an accidental damage (e.g. drop) of the first measuring instrument 1.

As shown in fig. 3, when the angle measurer is used, the mounting bottom plate 3 is clamped on the side wall 8 of the laser welding head through the C-shaped clamp 7, and the angles of the laser welding head rotated on different movement tracks can be displayed in real time through the first angle measurer 1 and the second angle measurer 2 which are perpendicular to each other. The number of the angle measuring instruments is not limited to two, and the two angle measuring instruments can be arranged according to the arrangement modes, and only the arrangement directions are different, wherein the arrangement directions are determined by actual measurement requirements.

In some embodiments, the side wall 8 of the laser welding head is used as the mounting bottom plate 3 in the angle measurer, namely, the first angle measurer 1 and the second angle measurer 2 are directly mounted on the side wall of the laser welding head, so that the situation that the angle measurer accidentally drops due to the fact that the C-shaped clamp is not clamped firmly is avoided, and the working stability and reliability of the angle measurer are ensured. In a further embodiment, the laser welding head side wall 8 is integrally formed as a mounting base plate 3 in the angle measurer.

In some embodiments, the laser welding head includes a laser welding head sidewall 8, the laser welding head sidewall 8 being directly connected to the angle gauge as the mounting baseplate 3.

The specific implementation manner and implementation principle are the same as those of the above embodiment, and the same or similar technical effects can be brought, which are not described in detail herein, and specific reference may be made to the description of the above embodiment of the angle measuring instrument.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing is merely a specific embodiment of the disclosure to enable one skilled in the art to understand or practice the disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown and described herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An angle measurer, comprising: a first angle gauge comprising a first cover plate and a first base plate; one of the first cover plate and the first bottom plate is fixed on a first rotating shaft, and the other part is rotatably connected with the first rotating shaft; the first angle measuring instrument is further provided with a first measuring scale, and the first measuring scale comprises a first angle scale and a first pointing scale; one of the first angle scale and the first pointing scale is arranged on the first cover plate, and the other scale is arranged on the first bottom plate; the first measurement scale on the first cover plate remains pointing unchanged.

2. The angle measurer of claim 1, wherein the first measurement scale on the first base plate is disposed on a bottom surface of the first base plate; the first cover plate is arranged on one side of the first bottom plate with the first measurement scale; the first cover plate plane where the first measurement scale is located on the first cover plate is parallel to the first base plate plane where the first measurement scale is located on the first base plate; the first cover plate is made of a transparent material.

3. The angle measurer according to claim 1, wherein a permanent magnet is provided on the first cover plate at an edge of a face where the first measurement scale is located.

4. The angle measurer of claim 1, wherein the first shaft comprises a first cylinder and a second cylinder coaxially connected; the first cover plate is abutted against the bottom surface of the second cylinder where the joint of the second cylinder and the first cylinder is located; the first cover plate is detachably connected with the bottom surface, and the first bottom plate is rotatably connected with the first rotating shaft.

5. The angle measurer of claim 1, wherein an edge of the first cover plate is provided with a flange extending from the edge of the first cover plate to the first base plate.

6. The angle measurer according to any one of claims 1 to 5, comprising a second angle measurer and a mounting base plate; the second angle measuring instrument comprises a second cover plate and a second bottom plate; one of the second cover plate and the second bottom plate is fixed on a second rotating shaft, and the other part is rotatably connected with the second rotating shaft; the second angle measuring instrument is further provided with a second measuring scale, the second measuring scale comprises a second angle scale and a second direction scale, and the second angle scale and the second direction scale are respectively arranged on the second cover plate and the second bottom plate; the second measurement scale of the second cover plate remains pointing unchanged; the first angle measuring instrument and the second angle measuring instrument are respectively arranged on the mounting baseplate through the first baseplate and the second baseplate.

7. The angle measurer of claim 6, wherein at least one of the first base plate and the second base plate is integrally formed with the mounting base plate.

8. The angle measurer of claim 6, wherein a spacer is disposed between the first angle measurer and the second angle measurer, and wherein a projection of the first angle measurer onto the spacer does not exceed the spacer.

9. A laser welding head comprising an angle measurer according to any one of claims 6-8.

10. The laser welding head of claim 9 including a welding head sidewall, said mounting plate being held by a C-clamp to said welding head sidewall.