Multi-channel laser optical fiber bundle fast inserting mechanism and synchronous laser welding device

Abstract

The utility model belongs to the technical field of laser welding, and particularly relates to a multi-channel laser optical fiber bundle fast-inserting mechanism and a synchronous laser welding device, the fast-inserting mechanism comprises a multi-channel laser and an optical fiber bundle fixing structure, the multi-channel laser is provided with a plurality of optical fiber bundle channels and positioning pins, the optical fiber bundle fixing structure is provided with a lining, and the lining is provided with an optical fiber bundle. The multiple optical fiber bundles are fixed through the optical fiber bundle fixing structures, and the multiple optical fiber bundles and the optical fiber bundle channels are matched in a one-to-one corresponding and inserted mode through guiding cooperation of the linings and the positioning pins; according to the utility model, the multi-channel laser and the optical fiber bundle can be automatically connected and matched, the requirement of synchronous laser welding is met, the optical fiber bundle can be smoothly inserted into the multi-channel laser, and laser transmission is realized.

Description

TECHNICAL FIELD

[0001] The utility model belongs to laser welding technical field, concretely relates to a kind of multi-channel laser optical fiber bundle quick insertion mechanism and synchronous laser welding device. BACKGROUND

[0002] Synchronous laser welding utilizes the laser beams generated by multiple diode lasers, which are guided to the contour line of the welding surface by optical elements after shaping. These laser beams simultaneously generate heat at the weld, causing the entire contour line to melt and bond together simultaneously.

[0003] In automobile manufacturing and electronic equipment production, synchronous laser welding has gradually become a highly efficient welding method and has been widely used. For example, in the manufacture of vehicle lamps, synchronous laser welding technology is often used for the welding production of tail lamps. This technology not only has high welding efficiency, produces less slag, and produces beautiful welds, but also is suitable for vehicle lamp products of any shape and size, can weld from different angles, and effectively absorbs the deformation of transparent masks. In addition, synchronous laser welding is also applied to precision welding of electronic equipment, which can meet the demands of high precision and high efficiency.

[0004] The multi-channel laser used in synchronous laser welding technology is used synchronously by multiple lasers. During the welding process, a large number of optical fiber bundles are used, which will inevitably cause repeated matching problems between the lasers and the optical fiber bundles. Frequent replacement, insertion and removal of optical fiber bundles will increase the corresponding labor cost, and also cause the stability of welding quality due to human factors.

[0005] Based on this, it is necessary to improve the defects existing in the prior art to overcome the deficiencies in actual application. CONTENT OF THE UTILITY MODEL

[0006] Based on the above-mentioned shortcomings and deficiencies existing in the prior art, one of the purposes of the utility model is to at least solve one or more of the above-mentioned problems existing in the prior art. In other words, one of the purposes of the utility model is to provide a multi-channel laser optical fiber bundle quick insertion mechanism and synchronous laser welding device that meets one or more of the above-mentioned needs.

[0007] In order to achieve the above-mentioned utility model purposes, the utility model adopts the following technical solutions:

[0008] The utility model provides a kind of multi-channel laser optical fiber bundle quick insertion mechanism, including multi-channel laser and optical fiber bundle fixed structure, the multi-channel laser is equipped with multiple optical fiber bundle channels and positioning pin, the optical fiber bundle fixed structure is equipped with bushing, multiple the optical fiber bundle is fixed by the optical fiber bundle fixed structure, and is guided to the cooperation with the positioning pin by the bushing and the positioning pin, to insert the cooperation of multiple the optical fiber bundle with the optical fiber bundle channel one-to-one.

[0009] As a preferred solution, the optical fiber bundle comprises an optical fiber head, the optical fiber head is plugged into the optical fiber bundle channel, and the end of the optical fiber head is configured as a tapered structure.

[0010] As a preferred solution, the optical fiber bundle fixing structure comprises a fixing plate and a supporting plate, and a fixing plate bolt is arranged between the fixing plate and the supporting plate to lock the fixing plate and the supporting plate.

[0011] As a preferred solution, the side end of the fixing plate is provided with a jackscrew hole, the optical fiber head is provided with a fixing groove, and the jackscrew hole and the fixing groove are correspondingly arranged.

[0012] As a preferred solution, a plurality of bushings are arranged on the fixing plate, and a bushing bolt is arranged between the bushing and the fixing plate.

[0013] As a preferred solution, a plurality of grooves are arranged on the fixing plate, a bushing is arranged in each groove, and the top surface of the bushing is lower than the top surface of the fixing plate.

[0014] As a preferred solution, the multi-channel laser is provided with a bottom plate, a plurality of optical fiber bundle channels are uniformly arranged on the bottom plate, and the optical fiber bundle channels correspond to the optical fiber bundles one by one.

[0015] As a preferred solution, a plurality of positioning pins are arranged on the bottom plate, and each positioning pin is guided and matched with a corresponding bushing.

[0016] As a preferred solution, the fixing plate and the supporting plate are gap matched.

[0017] The utility model also provides a kind of multi-channel synchronous laser welding device, including upper template, support plate and the quick plug mechanism as any one of the above solutions, the support plate is connected on the upper template, a plurality of optical fiber bundle fixing structures are connected on the support plate, and each optical fiber bundle fixing structure is used to fix a plurality of optical fiber bundles, so that optical fiber bundle is connected to the multi-channel laser.

[0018] Compared with the prior art, the utility model has the beneficial effects that:

[0019] The utility model provides a kind of multi-channel laser optical fiber bundle quick plug mechanism, can realize the automated connection of multi-channel laser and optical fiber bundle Cooperation, reaches the demand of synchronous laser welding, guarantees that optical fiber bundle can be smoothly inserted into multi-channel laser, realizes the transmission of laser, solves the deviation of repeated installation positioning of multiple multi-channel lasers, avoids the phenomenon that optical fiber bundle cannot be plugged. DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.

[0021] Figure 1 is a sectional view of the multi-channel laser fiber bundle quick insertion mechanism of the embodiment of the present application.

[0022] Figure 2 is Figure 1 is a local enlarged view of A in the figure.

[0023] Figure 3 is a connection schematic diagram of the fiber bundle fixing structure and the fiber bundle of the embodiment of the present application.

[0024] Figure 4 is a structural schematic diagram of the multi-channel laser of the embodiment of the present application.

[0025] Figure 5 is a structural schematic diagram of the fiber bundle of the embodiment of the present application.

[0026] Figure 6 is a structural schematic diagram of the multi-channel synchronous laser welding device of the embodiment of the present application.

[0027] In the figure: 1 fiber bundle, 11 fiber head, 111 fixed groove, 112 air flow groove, 12 fiber leg, 2 multi-channel laser, 21 positioning pin, 22 fiber bundle channel, 23 bottom plate, 3 fiber bundle fixing structure, 31 fixed plate, 311 top screw hole, 312 groove, 32 supporting plate, 33 bushing, 34 bushing bolt, 35 supporting plate bolt, 36 fixed plate bolt, 4 supporting plate, 5 upper die plate. DETAILED DESCRIPTION

[0028] In order to more clearly illustrate the embodiments of the present application, the specific embodiments of the present application will be described with reference to the drawings. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained from these drawings without creative labor, and other embodiments can also be obtained.

[0029] In the description of the embodiments of the present application, the terms "upper", "lower", "front", "back" and the like orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of description and simplification of operation, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the application. In addition, the terms "first", "second" and the like are only used to distinguish in the description, and have no special meaning.

[0030] According to some embodiments of the present application, as shown in Figures 1 to 5 A multi-channel laser fiber bundle quick insertion mechanism is provided, which includes a multi-channel laser 2 and a fiber bundle fixing structure 3. The multi-channel laser 2 is provided with a plurality of fiber bundle channels 22 and positioning pins 21. The fiber bundle fixing structure 3 is provided with a bushing 34. The plurality of fiber bundles 1 are fixed by the fiber bundle fixing structure 3, and are guided and matched with the positioning pins 21 through the bushing 34, so as to be inserted and matched with the fiber bundle channels 22 one by one.

[0031] In some embodiments of the present application, the fiber bundle 1 includes a fiber head 11 and a fiber leg 12. The fiber head 11 serves as a laser incidence end. The fiber head 11 is inserted and matched with the fiber bundle channel 22. The end of the fiber head 11 is configured as a tapered structure, which plays a guiding role in inserting the fiber bundle channel 22. The fiber leg 12 serves as a laser output end and splits the fiber bundle. The number of split beams can be 10 or more. The number of split beams can be split according to actual needs. The fiber leg 12 has a certain flexibility and can realize a small bending radius, so as to facilitate flexible use of the fiber leg.

[0032] Further, the fiber head 11 is provided with a fixing groove 111 and an air flow groove 112. The fixing groove 111 is used to fix the position of the fiber head 11 by the top screw hole 311 at the side end of the fixing plate 31. The air flow groove 112 is used to facilitate insertion of the fiber head 11 into the fiber bundle channel 22. The air flow groove 112 can be connected with external air flow and internal air flow of the multi-channel laser 2, so as to facilitate insertion and removal.

[0033] In some embodiments of the present application, the fiber bundle fixing structure 3 includes a fixing plate 31 and a supporting plate 32. The fixing plate 31 and the supporting plate 32 are installed and fixed with a fixing plate bolt 36, which is used to lock the fixing plate 31 and the supporting plate 32. After the fixing plate 31 and the supporting plate 32 are locked by the fixing plate bolt 36, a certain movement gap will be left between the fixing plate bolt 36 and the fixing plate 31, so as to realize free movement of the fixing plate 31 in the gap of the fixing plate bolt 36.

[0034] Further, the side end of the fixed plate 31 is provided with a jackscrew hole 311, and the optical fiber head 11 is provided with a fixed groove 111, the jackscrew hole 311 is arranged corresponding to the fixed groove 111, and the side surface of the optical fiber head 11 is fixed by installing a jackscrew in the jackscrew hole 311, so as to avoid the falling of the optical fiber head 11 in the process of plugging and unplugging.

[0035] Further, a plurality of bushings 33 are installed on the fixed plate 31, and a bushing bolt 34 is installed between the bushing 33 and the fixed plate 31. The fixed plate 31 and the bushing 33 are connected through the bushing bolt 34, and the bushing 33 has relatively small activity gap of the bushing bolt 34, which can reduce the size deviation caused by the installation of the positioning pin 21 to avoid the phenomenon of jamming.

[0036] Further, a plurality of grooves 312 are provided on the fixed plate 31, and a bushing 34 is installed in each groove 312, so that the top surface of the bushing 34 is lower than the top surface of the fixed plate 31, so as to ensure that the optical fiber head 11 is completely inserted into the optical fiber bundle channel 22.

[0037] In some embodiments of the present application, the multi-channel laser 2 is provided with a bottom plate 23, and a plurality of optical fiber bundle channels 22 are uniformly arranged on the bottom plate 23, the optical fiber bundle channels 22 correspond to the optical fiber bundles 1 one by one, and the optical fiber bundle channels 22 are provided with laser emitting devices inside, which are used for laser transmission to the optical fiber bundles 1.

[0038] Further, when the optical fiber head 11 is inserted into the optical fiber bundle channel 22, the fixed plate 31 is limited by the bottom plate 23, the bottom plate 23 is provided with a plurality of positioning pins 21, each positioning pin 21 is guided and matched with the corresponding bushing 33, and the positioning pin 21 is provided as a ball head pin, which can play a guiding role in the matching process of the positioning pin 21 and the bushing 22, and can adapt to the transition positioning deviation between the plurality of positioning pins 21.

[0039] Further, the spacing between the optical fiber bundle channel 22 and the positioning pin 21 needs to meet the size tolerance matching, and the perpendicularity with the bottom plate 23 of the multi-channel laser needs to be ensured when the positioning pin 21 is installed.

[0040] In some embodiments of the present application, the gap between the fixed plate 31 and the supporting plate 32 can adapt to the deviation of repeated positioning of the positioning pin 21, so that the optical fiber bundle 1 can be smoothly inserted and pulled out in the optical fiber bundle channel 22.

[0041] According to some embodiments of the present application, a multi-channel laser optical fiber bundle quick insertion mechanism can realize the automatic connection and matching of the multi-channel laser and the optical fiber bundle, meet the demand of synchronous laser welding, ensure that the optical fiber bundle can be smoothly inserted into the multi-channel laser, realize the transmission of laser, solve the deviation of repeated installation and positioning of multiple multi-channel lasers, and avoid the phenomenon that the optical fiber bundle cannot be inserted and pulled out.

[0042] According to some embodiments of the present application, as shown in Figure 6 A multi-channel synchronous laser welding device is also provided according to some embodiments of the present application, which comprises the upper die plate 5, the support plate 4 and the quick insertion mechanism described above. The support plate 4 is connected to the upper die plate 5, and a plurality of fiber bundle fixing structures 3 are connected to the support plate 4. Each fiber bundle fixing structure 3 is used to fix a plurality of fiber bundles 1, so that the fiber bundles 1 are connected to the multi-channel laser 2.

[0043] In the synchronous laser welding, a plurality of multi-channel lasers 2 are arranged above, and the multi-channel lasers 2 are used to realize the insertion and extraction of the fiber bundles 1 in cooperation with the fiber bundle fixing structures 3. The fiber bundle fixing structures 3 are connected to the support plate through the support plate bolts, and a single set of fiber bundle fixing structure can move within the gap range of the support plate bolts. The support plate is fixedly connected to the upper die plate arranged below.

[0044] Further, the fixing plate 31, the support plate 32 and the support plate 4 are movably connected to each other, which can solve the repeated positioning deviation between the multi-channel lasers 2, so that the fiber heads 11 can be smoothly inserted into the fiber bundle channels 22, and the collision between the fiber heads 11 and the bottom plate 23 of the multi-channel laser caused by the repeated positioning deviation can be effectively avoided.

[0045] In the description of the embodiments of the present application, unless otherwise explicitly specified and limited, the technical terms such as "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense. For example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal connection of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0046] The above only describes the preferred embodiments and principles of the present application in detail. For those skilled in the art, according to the idea provided by the present application, the specific implementation manner will be changed, and these changes should be regarded as the protection scope of the present application.

Claims

1. A multi-channel laser fiber bundle quick insertion mechanism, characterized in that, The multi-channel laser is provided with a plurality of optical fiber bundle channels and positioning pins, and the optical fiber bundle fixing structure is provided with a bushing.

2. A multi-channel laser fiber bundle quick connector according to claim 1, wherein, The optical fiber bundle includes an optical fiber head which is inserted into the optical fiber bundle channel.

3. A multi-channel laser fiber bundle quick connector mechanism according to claim 2, wherein, The fixing plate is provided with a plurality of recesses, and a bushing is arranged in each recess.

4. A multi-channel laser fiber bundle quick connector mechanism according to claim 3, wherein, The fixing plate is provided with a plurality of recesses, and a bushing is arranged in each recess.

5. A multi-channel laser fiber bundle quick connector mechanism according to claim 3, wherein, The fixing plate is provided with a plurality of recesses, and a bushing is arranged in each recess.

6. A multi-channel laser fiber bundle quick connector mechanism according to claim 5, wherein, The multi-channel laser is provided with a bottom plate which is uniformly provided with a plurality of optical fiber bundle channels.

7. A multi-channel laser fiber bundle quick connector mechanism according to claim 1, wherein, The bottom plate is provided with a plurality of positioning pins, and each positioning pin is guided and matched with a corresponding bushing.

8. A multi-channel laser fiber bundle quick connector mechanism according to claim 7, wherein, The fixing plate and the supporting plate are gap matched.

9. A multi-channel laser fiber bundle quick connector mechanism according to claim 3, wherein, The upper mold plate is connected with the supporting plate, and the supporting plate is connected with a plurality of optical fiber bundle fixing structures.

10. A simultaneous laser welding apparatus characterized by comprising: ​

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