CN216990344U - Angle adjusting mechanism for laser welding head and laser welding machine - Google Patents

Abstract

The utility model belongs to the technical field of laser welding heads, and discloses an angle adjusting mechanism for a laser welding head and a laser welding machine, wherein the angle adjusting mechanism for the laser welding head comprises a rotary fixing block and a rotating shaft, one end of the rotating shaft is inserted in the rotary fixing block, and the rotating shaft can rotate relative to the rotary fixing block; the other end of rotation axis has spacing boss, the one side of the rotatory fixed block of one side butt of spacing boss. According to the angle adjusting mechanism for the laser welding head and the laser welding machine, the limiting boss is arranged at one end of the rotating shaft, and the laser welding head is always in the same plane before and after angle adjustment by utilizing the mode that one surface of the limiting boss is abutted to one surface of the rotating fixing block, so that the influence on welding precision caused by the position deviation of the laser welding head is avoided.

Description

Angle adjusting mechanism for laser welding head and laser welding machine

Technical Field

The utility model belongs to the technical field of laser welding heads, and particularly relates to an angle adjusting mechanism for a laser welding head and a laser welding machine.

Background

Laser welding is an efficient precision welding method using a laser beam with high energy density as a heat source. In order to ensure the welding accuracy, it is generally necessary to adjust the angle of the laser welding head so that the laser beam acts on a predetermined position.

At present, the angle of the laser welding head is generally adjusted by adopting a manual adjustment mode, but in the process of manually adjusting the angle of the laser welding head, the position of the laser welding head is easy to deviate, so that the laser welding heads before and after adjustment are not in the same plane, and the welding precision is influenced.

Accordingly, the prior art is in need of improvement and development.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide an angular adjustment mechanism and laser-beam welding machine for laser welder head, can guarantee that laser welder head is in the coplanar all the time around angular adjustment, avoids laser welder head position to take place the skew and causes the influence to the welding precision.

In a first aspect, the present application provides an angle adjustment mechanism for a laser welding head, including a rotating fixed block and a rotating shaft, wherein one end of the rotating shaft is inserted into the rotating fixed block, and the rotating shaft can rotate relative to the rotating fixed block; the rotation axis is kept away from the one end of rotatory fixed block has spacing boss, the one side butt of spacing boss the one side of rotatory fixed block.

The application provides an angular adjustment mechanism for laser welder head sets up spacing boss through the one end at the rotation axis, utilizes the one side of spacing boss and the mode of rotatory fixed block butt, guarantees that laser welder head is in the coplanar all the time around angular adjustment, avoids laser welder head position to take place the skew and causes the influence to the welding precision.

Furthermore, the angle adjusting mechanism for the laser welding head further comprises a limiting plate, the limiting plate is connected with the rotating shaft and inserted into one end of the rotating fixing block, and one side of the limiting plate is abutted to the other side of the rotating fixing block.

This application is carried on spacingly through limiting plate and spacing boss mutually supporting to the rotation axis, guarantees to rotate rotation axis in-process rotation axis and can not follow its axial emergence skew, effectively guarantees that the laser welder head is in the coplanar all the time around angular adjustment.

Furthermore, the angle adjusting mechanism for the laser welding head further comprises an installation plate, the installation plate is provided with an installation groove, and one end of the limiting boss is located in the installation groove.

This application is through offering the mounting groove with the shape looks adaptation of spacing boss on the mounting panel, is convenient for install the preset position of rotation axis to the mounting panel fast.

Further, the rotary fixing block comprises a mounting hole and an expansion groove; one end of the rotating shaft is inserted into the mounting hole; the expansion groove is communicated with the mounting hole and used for changing the size of the mounting hole.

Furthermore, the angle adjusting mechanism for the laser welding head further comprises a first fastening piece, and one end of the first fastening piece penetrates through the expansion groove and is connected with the rotary fixing block.

Further, the angle adjusting mechanism for the laser welding head further comprises a rotating assembly, and the rotating fixing block is rotatably arranged on the rotating assembly.

Further, the rotating assembly comprises a fixed plate and a rotating centering shaft; one end of the rotating centering shaft is inserted into the fixed plate, the other end of the rotating centering shaft is inserted into the rotating fixed block, and the rotating fixed block can rotate by taking the rotating centering shaft as a rotating center.

Furthermore, the rotating assembly further comprises a second fastening piece, and one end of the second fastening piece penetrates through the fixing plate and is connected with the rotating fixing block.

Further, the fixing plate is provided with an arc-shaped notch, and the other end of the second fastening piece is positioned in the arc-shaped notch.

In a second aspect, the present application provides a laser welding machine including the above-described angle adjustment mechanism for a laser welding head.

According to the angle adjusting mechanism for the laser welding head and the laser welding machine, the limiting boss is arranged at one end of the rotating shaft, and the laser welding head is always in the same plane before and after the angle adjustment by means of the mode that one surface of the limiting boss is abutted to one surface of the rotating fixing block, so that the influence on the welding precision caused by the position deviation of the laser welding head is avoided.

Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the application. The objectives and other advantages of the application may be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

Fig. 1 is a schematic structural diagram of an angle adjustment mechanism for a laser welding head according to an embodiment of the present disclosure.

Fig. 2 is an exploded schematic view of an angle adjustment mechanism for a laser welding head according to an embodiment of the present disclosure.

Fig. 3 is a schematic structural diagram of a rotary fixing block according to an embodiment of the present application.

Fig. 4 is a schematic structural diagram of a fixing plate according to an embodiment of the present disclosure.

Description of reference numerals: 1. a laser welding head; 11. a rotating shaft; 111. a limiting boss; 12. rotating the fixed block; 121. mounting holes; 122. an expansion slot; 13. a limiting plate; 14. mounting a plate; 141. installing a groove; 20. a fixing plate; 201. an arc-shaped notch; 2011. an arc-shaped slot; 2012. an arc-shaped hole; 21. rotating the centering shaft; 22. a connecting plate; 23. and a support plate.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first" and "second" may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically connected, may be electrically connected or may be in communication with each other; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The following disclosure provides many different embodiments or examples for implementing different features of the utility model. To simplify the disclosure of the present invention, specific example components and arrangements are described below. Of course, they are merely examples and are not intended to limit the present invention. Furthermore, the present invention may repeat reference numerals and/or letters in the various examples, such repetition is for the purpose of simplicity and clarity and does not in itself dictate a relationship between the various embodiments and/or configurations discussed.

As shown in fig. 1 and 2, an angle adjusting mechanism for a laser welding head according to the present invention includes a rotating shaft 11 and a fixed rotating block 12. One end of the rotating shaft 11 is inserted into the fixed rotation block 12, and the rotating shaft 11 can rotate relative to the fixed rotation block 12. The other end of the rotating shaft 11 has a limit boss 111, and one surface of the limit boss 111 abuts against one surface of the rotating fixed block 12.

In the specific application, the laser welding head 1 is connected with one end of the rotating shaft 11, which is provided with the limiting boss 111, the rotating shaft 11 is rotated, and the rotating shaft 11 drives the welding head 1 to rotate, so that the angle of the laser welding head 1 is adjusted. It should be noted that before the rotation shaft 11 is rotated and after the rotation shaft 11 is rotated, one surface of the limit boss 111 far from the laser welding head 1 is always kept in contact with one surface of the rotation fixing block 12 close to the laser welding head 1, that is, after the laser welding head 1 is angularly adjusted, the relative position relationship between the rotation shaft 11 and the rotation fixing block 12 is that one surface of the limit boss 111 far from the laser welding head 1 is in contact with one surface of the rotation fixing block 12 close to the laser welding head 1, so that the laser welding head 1 cannot be deviated along the axial direction of the rotation shaft 11, and the laser welding heads 1 before and after the angular adjustment are ensured to be in the same plane.

Through the technical scheme, the laser welding head 1 is effectively ensured to be always in the same plane before and after angle adjustment, real plane angle adjustment is realized, and therefore welding is ensured to be more accurate.

In some preferred embodiments, the angle adjusting mechanism for the laser welding head further includes a limiting plate 13. The limiting plate 13 is connected to the rotating shaft 11 and inserted into one end of the fixed rotating block 12, one side of the limiting plate 13 connected to the rotating shaft 11 abuts against the other side of the fixed rotating block 12, and the other side of the fixed rotating block 12 is the side of the fixed rotating block 12 away from the limiting boss 111. The limiting plate 13 and the limiting boss 111 are matched with each other to limit the rotating shaft 11, so that the rotating shaft 11 cannot deviate along the axial direction in the process of rotating the rotating shaft 11, and the laser welding head 1 is effectively guaranteed to be always in the same plane before and after angle adjustment.

In some preferred embodiments, the above-described angle adjustment mechanism for a laser welding head further comprises a mounting plate 14. The mounting plate 14 is connected to the rotating shaft 11, and the laser welding head 1 is provided on a surface of the mounting plate 14 remote from the rotating shaft 11. Compared with the situation that the laser welding head 1 is directly connected with the rotating shaft 11, the laser welding head 1 is installed and fixed through the installation plate 14, and the laser welding head 1 is installed more firmly and stressed more uniformly. Specifically, one side of the mounting plate 14 close to the rotating shaft 11 is provided with a mounting groove 141, the shape of the mounting groove 141 is matched with the shape of the limiting boss 111, and one end of the limiting boss 111 is located in the mounting groove 141. The mounting groove 141 matched with the limiting boss 111 in shape is formed in the mounting plate 14, so that the rotating shaft 11 can be conveniently and quickly mounted at a preset position of the mounting plate 14.

Referring to fig. 3, in some preferred embodiments, the above-mentioned rotary fixing block 12 includes a mounting hole 121 and an expansion groove 122. One end of the rotating shaft 11 is inserted into the mounting hole 121. The expansion groove 122 communicates with the mounting hole 121, and the expansion groove 122 is used to change the size of the mounting hole 121. By the technical scheme, the size of the mounting hole 121 can be changed, so that the rotary shaft 11 with different sizes can be adapted.

In some preferred embodiments, the angle adjustment mechanism for a laser welding head further comprises a first fastener (not shown). One end of the first fastener passes through the expansion slot 122 to be connected to the rotary fixing block 12. In the specific application, the rotating shaft 11 after the angle adjustment is completed is fixed through the first fastening piece, and the rotating shaft 11 is prevented from rotating. In particular, the first fastener is a screw or bolt.

In some preferred embodiments, the angle adjusting mechanism for the laser welding head further includes a rotating assembly, and the fixed rotating block 12 is rotatably disposed on the rotating assembly. Specifically, the rotating assembly includes a fixed plate 20 and a rotating centering shaft 21. The fixing plate 20 is installed at a predetermined position of the laser welding machine. One end of the rotating centering shaft 21 is inserted into the fixing plate 20, the other end of the rotating centering shaft 21 is inserted into the fixed rotating block 12, and the fixed rotating block 12 can rotate around the rotating centering shaft 21. In specific application, the fixed block 12 is rotated to adjust the angle of the laser welding head 1 in another plane, so that the angle adjustment range of the laser welding head 1 is increased.

Specifically, the rotating assembly further includes a connecting plate 22. The connection plate 22 is installed at a predetermined position of the laser welding machine. The fixing plate 20 is disposed on the connecting plate 22, and the fixing plate 20 is perpendicular to the connecting plate 22. Preferably, the connecting plate 22 is provided with a supporting plate 23, the supporting plate 23 is connected to the lower bottom surface of the fixing plate 20, and the supporting plate 23 supports the fixing plate 20 to ensure that the fixing plate 20 and the connecting plate 22 are always perpendicular.

In some preferred embodiments, the rotating assembly further comprises a second fastener (not shown). One end of the second fastener passes through the fixing plate 20 to be connected to the rotary fixing block 12. In the specific application, the rotary fixing block 12 after the angle adjustment is completed is fixed through the second fastening piece, and the angle change caused by the rotation of the rotary fixing block 12 is avoided. In particular, the second fastener is a screw or bolt.

Referring to fig. 4, in some preferred embodiments, the fixing plate 20 has an arc-shaped notch 201, and the other end of the second fastening member is located in the arc-shaped notch 201. Specifically, arc notch 201 is the echelonment, and arc notch 201 includes arc groove 2011 and arc hole 2012, and the size of arc groove 2011 is greater than the size of arc hole 2012, and the head of second fastener is located arc groove 2011, and the one side butt arc groove 2011's bottom inside wall is close to the screw rod to the head of second fastener, and the screw rod of second fastener is located arc hole 2012. In the concrete application, when the rotary fixing block 12 needs to be rotated, the second fastener is screwed to the side, close to the screw, of the head of the second fastener and is not abutted to the inner side wall of the bottom of the arc-shaped groove 2011, but the screw of the second fastener is still connected with the rotary fixing block 12, namely, the second fastener is still in a connection state with the rotary fixing block 12, at the moment, the rotary fixing block 12 can be rotated, the rotary fixing block 12 drives the second fastener to slide in the arc-shaped groove 2011 and the arc-shaped hole 2012, the arc-shaped groove 2011 and the arc-shaped hole 2012 play a guiding role for the second fastener, so that the rotary fixing block 12 rotates along a preset track, and the rotary fixing block 12 is located in the same plane before and after rotation.

In another aspect, the present application provides a laser welding machine including the above-described angle adjustment mechanism for a laser welding head. In a specific application, the connecting plate 22 of the rotating assembly is arranged on the main body of the laser welding machine, and the laser welding head 1 can be angularly adjusted in one plane (a plane where a radial plane of the rotating shaft 11 is located) or two planes (a plane where the radial plane of the rotating shaft 11 is located and a plane perpendicular to the radial plane of the rotating shaft 11) by rotating the rotating shaft 11 or/and the rotating fixing block 12.

In summary, in the angle adjustment mechanism for a laser welding head and the laser welding machine according to the present invention, the limit boss 111 is provided at one end of the rotating shaft 11, and the laser welding head 1 is always in the same plane before and after the angle adjustment by the way that one surface of the limit boss 111 abuts against one surface of the rotating fixing block 12, thereby preventing the welding accuracy from being affected by the position deviation of the laser welding head 1.

In the description herein, references to the description of the terms "one embodiment," "certain embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (10)

1. An angle adjusting mechanism for a laser welding head comprises a rotary fixing block and a rotary shaft, wherein one end of the rotary shaft is inserted into the rotary fixing block, and the rotary shaft can rotate relative to the rotary fixing block; the rotary shaft is characterized in that the other end of the rotary shaft is provided with a limiting boss, and one surface of the limiting boss is abutted to one surface of the rotary fixing block.

2. The angle adjusting mechanism for the laser welding head as set forth in claim 1, further comprising a limiting plate, wherein the limiting plate is connected to the rotating shaft and inserted into one end of the rotating fixed block, and one surface of the limiting plate abuts against the other surface of the rotating fixed block.

3. The angular adjustment mechanism for a laser welding head of claim 1, further comprising a mounting plate having a mounting groove, wherein one end of the limit projection is located within the mounting groove.

4. The angular adjustment mechanism for a laser welding head of claim 1, wherein the rotating fixture block comprises a mounting hole and an expansion slot; one end of the rotating shaft is inserted into the mounting hole; the expansion groove is communicated with the mounting hole and used for changing the size of the mounting hole.

5. The angular adjustment mechanism for a laser welding head of claim 4, further comprising a first fastener, one end of the first fastener passing through the expansion slot to connect to the rotating fixture block.

6. The angle adjustment mechanism for a laser welding head of any one of claims 1 to 5, further comprising a rotating assembly, wherein the rotating fixed block is rotatably disposed on the rotating assembly.

7. The angular adjustment mechanism for a laser welding head of claim 6, wherein the rotating assembly includes a stationary plate and a rotating centering shaft; one end of the rotating centering shaft is inserted into the fixed plate, the other end of the rotating centering shaft is inserted into the rotating fixed block, and the rotating fixed block can rotate by taking the rotating centering shaft as a rotating center.

8. The angular adjustment mechanism for a laser welding head of claim 7, wherein the rotating assembly further comprises a second fastener, one end of the second fastener passing through the fixed plate to connect to the rotating fixed block.

9. The angular adjustment mechanism for a laser welding head of claim 8 wherein the fixed plate has an arcuate slot in which the other end of the second fastener is located.

10. A laser welding machine comprising the angle adjustment mechanism for a laser welding head of any one of claims 1 to 9.

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