CN216066002U - Laser welding apparatus - Google Patents

Abstract

The application provides laser welding equipment which comprises a welding jig, an X-axis moving device, a pressing device and a laser welding device; the welding jig is provided with a plurality of welding stations distributed along the X-axis direction, and the welding stations are used for bearing a workpiece to be welded and driving the workpiece to rotate so that the surface to be welded of the workpiece faces the laser welding device; the X-axis movement device comprises a cross beam seat, a movable seat which can be movably arranged on the cross beam seat along the X-axis direction, and an X-axis driving mechanism for driving the movable seat to move along the X-axis direction, wherein the cross beam seat comprises a first end and a second end which are distributed along the X-axis direction; the pressing device is arranged on the cross beam seat and used for clamping the surface to be welded of the workpiece; the laser welding device is arranged on the movable seat. The application provides a laser welding equipment can effectively improve welding efficiency, reduce cost expense, and simple structure effectively reduces the operation stroke.

Description

Laser welding apparatus

Technical Field

The application belongs to the technical field of laser welding, and more specifically relates to a laser welding device.

Background

As a clean, efficient and high-quality plastic welding method, the laser plastic welding has no scraps and vibration in the welding process and plays an increasingly important role in the field of plastic welding. The shape of a part of plastic workpieces is a regular rectangle, four sides of the workpiece need to be welded respectively, and the currently common welding mode is to weld the four sides of a single workpiece by respectively moving each side of the workpiece to the light-emitting position of a welding head in a rotating mode and the like. However, this welding method requires four rotations per workpiece and can only weld one workpiece at a time by one welding head. If a plurality of workpieces need to be welded, the plurality of workpieces can only be welded one by one or a plurality of welding heads are installed, so that the problems of low welding efficiency, increased equipment cost and the like are caused.

SUMMERY OF THE UTILITY MODEL

The application aims to provide a laser welding device, which solves the technical problems of low welding efficiency and high cost in the prior art.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: providing laser welding equipment, which comprises a welding jig, an X-axis movement device, a pressing device and a laser welding device;

the welding jig is provided with a plurality of welding stations distributed along the X-axis direction, and the welding stations are used for bearing a workpiece to be welded and driving the workpiece to rotate so that the surface to be welded of the workpiece faces the laser welding device;

the X-axis movement device comprises a cross beam seat, a movable seat which can be movably arranged on the cross beam seat along the X-axis direction, and an X-axis driving mechanism for driving the movable seat to move along the X-axis direction, wherein the cross beam seat comprises a first end and a second end which are distributed along the X-axis direction;

the pressing device is arranged on the cross beam seat and used for clamping the surface to be welded of the workpiece;

the laser welding device is arranged on the movable seat, when the movable seat moves from the first end to the second end, the laser welding device performs laser welding on one of the surfaces to be welded of each workpiece in sequence, and when the movable seat moves from the second end to the first end, the laser welding device performs laser welding on the other surface to be welded of each workpiece in sequence.

Furthermore, the laser welding device includes two sets of, two sets of laser welding device set up respectively in along Y axle direction in the relative both sides of sliding seat.

Further, the laser welding apparatus includes:

the mounting seat is arranged on the movable seat;

a Y-axis movement mechanism disposed on the mount, and,

and the welding head is arranged on the Y-axis movement mechanism, and the Y-axis movement mechanism drives the welding head to move along the Y-axis direction so as to be close to or far away from the workpiece to be welded.

Further, the laminating device includes:

the Z-axis driving mechanism is arranged on the cross beam seat;

the second mounting plate is in transmission connection with the Z-axis driving mechanism and is driven by the Z-axis driving mechanism to lift along the Z-axis direction relative to the cross beam seat;

the first driving mechanism is arranged on the second mounting plate; and the number of the first and second groups,

the clamping mechanism comprises a first clamping assembly and a second clamping assembly, the second clamping assembly and the first clamping assembly are arranged oppositely, and the first driving mechanism is used for driving the first clamping assembly and the second clamping assembly to move along the directions close to or far away from each other so as to clamp or loosen the surface to be welded of the workpiece.

Further, the first clamping assembly and the second clamping assembly each comprise:

the substrate is arranged on the first driving mechanism;

the clamping block is movably arranged on the substrate along the Y-axis direction; and the number of the first and second groups,

the elastic piece is arranged between the base plate and the clamping block and used for providing elastic thrust to push the clamping block to clamp the surface to be welded of the workpiece.

Furthermore, the pressing device further comprises a guide shaft, the guide shaft can be movably arranged on the cross beam seat along the Z-axis direction, one end of the guide shaft is connected with the second mounting plate, and the other end of the guide shaft is provided with an adjusting ring for adjusting the maximum stroke of the second mounting plate moving along the Z-axis direction.

Further, the welding jig includes:

a base;

the jig assemblies are arranged on the base along the X-axis direction, and the welding stations are arranged on the jig assemblies; and the number of the first and second groups,

and the first rotary driving mechanism is arranged on the base and used for driving each jig assembly to rotate so as to enable the surface to be welded of the workpiece to face the laser welding device.

Further, the first rotary drive mechanism includes:

a rack;

the gear wheels are respectively meshed with the racks and are respectively arranged on the jig components and used for driving the jig components to rotate; and the number of the first and second groups,

and the second driving mechanism is used for driving the rack to do linear reciprocating motion.

Further, the tool assembly comprises a base arranged on the base, a rotating part rotatably arranged in the base and a tool seat arranged on the rotating part, the welding station is arranged on the tool seat, and the gear is fixedly connected with the rotating part to drive the rotating part to rotate.

Furthermore, a second arc-shaped groove is formed in the jig base, a second fixing hole is formed in the rotating piece, and the second fastener penetrates through any position of the second arc-shaped groove and is fixedly connected with the second fixing hole to adjust the rotating angle of the jig base.

Further, one side that the base kept away from the tool subassembly is provided with the tight subassembly in top, the tight subassembly in top includes:

the connecting seat is arranged on the base; and the number of the first and second groups,

and the jacking piece is arranged on the connecting seat and used for jacking the rack so as to enable the rack to be tightly meshed with the gear.

Further, laser welding equipment still includes the carousel and is used for the drive carousel pivoted second rotary driving mechanism, the welding tool includes the multiunit, the multiunit the welding tool interval set up in on the carousel.

The application provides a laser welding equipment's beneficial effect lies in: through set up the sliding seat along the activity of X axle direction on the crossbeam seat, and the cooperation sets up laser welding device on the sliding seat, thereby make when the sliding seat moves to the second end by first end along the X axle direction, laser welding device can wait to weld the face in proper order to one of them of each work piece and carry out laser welding, and when the sliding seat moved to first end by the second end along the X axle direction, laser welding device can wait to weld the face in proper order to another of each work piece and carry out laser welding, thereby make laser welding device can all realize the laser welding to a plurality of work pieces at the sliding seat along the in-process of a reciprocating linear motion of X axle direction, can effectively improve welding efficiency, the cost is reduced, and simple structure, effectively reduce the operation stroke.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

Fig. 1 is a schematic perspective view of a laser welding apparatus according to an embodiment of the present disclosure;

FIG. 2 is an enlarged partial schematic view of FIG. 1;

fig. 3 is a schematic perspective view of a laser welding apparatus according to an embodiment of the present disclosure;

FIG. 4 is an exploded view of the structure of FIG. 3;

fig. 5 is a schematic perspective view of a pressing device according to an embodiment of the present application;

FIG. 6 is another angle structure diagram of FIG. 5;

FIG. 7 is a schematic perspective view of a clamping mechanism used in an embodiment of the present application;

fig. 8 is a schematic partial structural diagram of a laser welding apparatus according to an embodiment of the present disclosure;

fig. 9 is a schematic perspective view of a welding fixture according to an embodiment of the present application;

FIG. 10 is a partially exploded view of FIG. 9;

fig. 11 is a schematic perspective view of a jig assembly according to an embodiment of the present disclosure;

fig. 12 is an exploded view of fig. 11.

Wherein, in the figures, the respective reference numerals:

10. welding a jig; 20. a base; 30. a jig component; 31. a base body; 311. grooving; 32. a rotating member; 33. a jig base; 331. a containing groove; 332. a second arc-shaped slot; 40. a first rotary drive mechanism; 41. A rack; 42. a gear; 43. a second drive mechanism; 50. an X-axis motion device; 51. a beam mount; 511. A first end; 512. a second end; 52. a movable seat; 60. a pressing device; 61. a Z-axis drive mechanism; 62. A second mounting plate; 63. a first drive mechanism; 64. a clamping mechanism; 641. a first clamping assembly; 642. a second clamping assembly; 643. a substrate; 644. a clamping block; 645. an elastic member; 646. a movable shaft; 647. a nut; 66. a guide shaft; 67. an adjusting ring; 70. a laser welding device; 71. a mounting seat; 711. a first mounting plate; 712. an adjusting plate; 7121. an adjusting block; 7122. mounting blocks; 7123. a first arc-shaped slot; 713. a screw; 72. a Y-axis motion mechanism; 73. welding a head; 80. jacking the assembly; 81. a connecting seat; 811. a first regulating groove; 82. a top tightening member; 90. a limiting block; 91. a second regulating groove; 100. a workpiece; 200. a turntable; 300. a second rotary drive mechanism;

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, refer to an orientation or positional relationship illustrated in the drawings for convenience in describing the present application and to simplify description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

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, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 2 together, a laser welding apparatus provided in the present application will now be described. The application provides a laser welding equipment for side a week to work piece 100 such as plastics welds, and work piece 100 includes inlayer and skin, and wherein the inlayer is the light-absorbing layer, and the skin is the euphotic layer, realizes the welded fastening of inlayer and outer week side through laser welding. The shape of the workpiece 100 may be rectangular or polygonal, and may also be circular according to actual needs, and in this application, the laser welding apparatus is used for welding the rectangular workpiece 100 as an example for further explanation.

The laser welding equipment of the application comprises a welding jig 10, an X-axis moving device 50, a laminating device 60 and a laser welding device 70. The welding jig 10 is provided with a plurality of welding stations distributed along the X-axis direction, and the welding stations are configured to carry the workpiece 100 to be welded and drive the workpiece 100 to rotate so that the surface to be welded of the workpiece 100 faces the laser welding device 70.

The X-axis moving device 50 includes a beam base 51, a movable base 52, and an X-axis driving mechanism (not shown). The movable seat 52 is movably provided on the beam seat 51 in the X-axis direction. The X-axis drive mechanism is used to drive the movable base 52 to move in the X-axis direction. The beam seat 51 includes a first end 511 and a second end 512 distributed along the X-axis direction.

The pressing device 60 is disposed on the beam seat 51 and is used for clamping the surface to be welded of the workpiece 100, so that the inner layer and the outer layer of the workpiece 100 are always in close contact in the welding process, which is beneficial to improving the welding quality.

The laser welding device 70 is arranged on the movable seat 52, when the movable seat 52 moves from the first end 511 to the second end 512, the laser welding device 70 sequentially performs laser welding on one surface to be welded of each workpiece 100, and when the movable seat 52 moves from the second end 512 to the first end 511, the laser welding device 70 sequentially performs laser welding on the other surface to be welded of each workpiece 100.

As shown in fig. 1, the longitudinal direction of the beam seat 51 is defined as an X-axis direction, the width direction of the beam seat 51 is defined as a Y-axis direction, and the vertical direction of the beam seat 51 is defined as a Z-axis direction.

The working process of the laser welding device of one embodiment of the application is as follows:

when the workpieces 100 need to be welded, firstly, the workpieces 100 are sequentially placed on the welding station on the welding jig 10, and the surfaces to be welded of the workpieces 100 face the laser welding device 70;

then, the pressing device 60 clamps the surfaces to be welded of the workpiece 100;

then, the X-axis driving mechanism drives the movable seat 52 to move from the first end 511 in a direction close to the second end 512, while the laser welding device 70 moves from the first end 511 in a direction close to the second end 512, and laser welding is sequentially performed on the surfaces to be welded of the respective workpieces 100, and when the laser welding device 70 moves from the first end 511 to the second end 512, welding of one of the surfaces to be welded of the workpieces 100 is completed.

Then, the pressing device 60 loosens the workpiece 100 and rotates the workpiece by a preset angle, so that the other surface to be welded of the workpiece 100 faces the laser welding device 70 and then is clamped;

finally, the X-axis driving mechanism drives the movable seat 52 to move from the second end 512 in a direction close to the first end 511, while the laser welding device 70 moves from the second end 512 in a direction close to the first end 511 synchronously, and laser welds the surfaces to be welded of the workpieces 100 in sequence, and when the laser welding device 70 moves from the second end 512 to the first end 511, welding of the other surface to be welded of the workpieces 100 is completed.

And repeating the steps until all the surfaces to be welded are welded.

The laser welding equipment provided by the application has the advantages that the movable seat 52 is movably arranged on the crossbeam seat 51 along the X-axis direction, the laser welding device 70 is arranged on the movable seat 52 in a matching way, such that when the movable seat 52 moves in the X-axis direction from the first end 511 to the second end 512, the laser welding apparatus 70 is capable of sequentially laser welding one of the surfaces to be welded of each of the workpieces 100, and while the movable seat 52 moves from the second end 512 to the first end 511 in the X-axis direction, the laser welding device 70 can laser weld the other surface to be welded of each workpiece 100 in sequence, so that the laser welding apparatus 70 can perform laser welding of a plurality of workpieces 100 all during one reciprocating linear motion of the movable stage 52 in the X-axis direction, the welding efficiency can be effectively improved, the cost and the expense are reduced, the structure is simple, and the operation stroke is effectively reduced.

Further, referring to fig. 1 to 2, as an embodiment of the laser welding apparatus provided by the present application, the laser welding devices 70 include two sets, and the two sets of laser welding devices 70 are respectively disposed on two opposite sides of the movable seat 52 along the Y-axis direction. By arranging the two groups of laser welding devices 70, the laser welding devices 70 can sequentially weld two surfaces to be welded of each workpiece 100 at the same time, and welding efficiency is effectively improved. When the laser welding device is used for welding the rectangular workpiece 100, all surfaces to be welded of the workpiece 100 can be welded in the process that the movable seat 52 moves linearly in a reciprocating manner along the X-axis direction, and the welding efficiency is greatly improved.

Further, referring to fig. 2 to 4, as an embodiment of the laser welding apparatus provided in the present application, the laser welding device 70 includes a mounting base 71, a Y-axis moving mechanism 72, and a welding head 73. The mounting seat 71 is provided on the movable seat 52. The Y-axis movement mechanism 72 is provided on the mount 71. The bonding head 73 is provided on the Y-axis moving mechanism 72, and is moved in the Y-axis direction by the Y-axis moving mechanism 72 so as to be close to or away from the workpiece 100 to be bonded. Since the lengths of the sides of the workpieces 100 to be welded may be different, for example, the rectangular workpiece 100 has two long sides and two short sides, and further the distance between the welding head 73 and the surface to be welded is different, the light-emitting focal length of the welding head 73 may be changed. And this application is through setting up Y axle motion 72 to adjustable soldered connection 73 and the distance of treating the face of weld, and then can guarantee the welding effect. Specifically, the Y-axis moving mechanism 72 may be an air cylinder, and the welding head 73 is driven to move along the Y-axis direction by the expansion and contraction of the air cylinder, but in other embodiments, the Y-axis moving mechanism 72 may also be a linear motor, or a rotary motor and a transmission mechanism, such as a gear 42 and rack 41 transmission mechanism or a screw nut 647 transmission mechanism, which is provided in cooperation with the linear motor and is used for converting the rotary motion of the rotary motor into the linear motion of the welding head 73.

Further, referring to fig. 3 to 4, as an embodiment of the laser welding apparatus provided by the present application, the mounting seat 71 includes a first mounting plate 711, an adjusting plate 712, and a screw 713. The first mounting plate 711 is provided on the movable base 52, and the first mounting plate 711 is provided with a screw hole (not shown). The adjusting plate 712 is movably disposed on the first mounting plate 711 in the Z-axis direction and locked at a predetermined position by the screw 713, and the Y-axis moving mechanism 72 is disposed on the adjusting plate 712. The screw 713 is screwed with the threaded hole, so that the movable displacement of the adjusting plate 712 along the Z-axis direction can be adjusted, and the position adjustment of the welding head 73 in the Z-axis direction can be realized, and the height position of the welding head 73 can be adjusted.

Further, referring to fig. 3 to 4, as an embodiment of the laser welding apparatus provided by the present application, the adjusting plate 712 includes an adjusting block 7121 and a mounting block 7122. The adjusting block 7121 is movably disposed on the first mounting plate 711 along the Z-axis, and a first arc-shaped groove 7123 is disposed on the adjusting block 7121. The installation block 7122 is rotatably arranged on the adjusting block 7121, a first fixing hole (not shown) is formed in the installation block 7122, a first fastening piece (not shown) penetrates through any position of the first arc-shaped groove 7123 and is fixedly connected with the first fixing hole, and the Y-axis driving mechanism is arranged on the installation block 7122. Through setting up first arc wall 7123 on regulating block 7121 for installation piece 7122 is rotatory relative regulating block 7121, and then adjustable soldered connection 73's angle, thereby makes soldered connection 73 can carry out position control according to work piece 100's size or the position of placing, applicable in different work pieces 100, and application scope is wider.

Further, referring to fig. 2 and 5, as an embodiment of the laser welding apparatus provided by the present application, the pressing device 60 includes a Z-axis driving mechanism 61, a second mounting plate 62, a first driving mechanism 63, and a clamping mechanism 64. The Z-axis driving mechanism 61 is disposed on the beam base 51, and the second mounting plate 62 is connected to the Z-axis driving mechanism 61 in a transmission manner and driven by the Z-axis driving mechanism 61 to move up and down in the Z-axis direction relative to the beam base 51. The first drive mechanism 63 is provided on the second mounting plate 62. The clamping mechanism 64 includes a first clamping assembly 641 and a second clamping assembly 642. The second clamping assembly 642 is disposed opposite to the first clamping assembly 641, and the first driving mechanism 63 is configured to drive the first clamping assembly 641 and the second clamping assembly 642 to move in a direction approaching to or moving away from each other, so as to clamp or unclamp the to-be-welded surface of the workpiece 100.

Specifically, the Z-axis driving mechanism 61 and the first driving mechanism 63 may be air cylinders, but in other embodiments, the Z-axis driving mechanism 61 and the first driving mechanism 63 may also be linear motors or rotary motors and a transmission mechanism, such as a gear 42 and a rack 41 transmission mechanism or a lead screw nut 647 transmission mechanism, which is used for converting the rotary motion of the rotary motors into linear motion, is cooperatively arranged.

When the workpiece 100 needs to be clamped, firstly, the Z-axis driving mechanism 61 drives the second mounting plate 62 to descend along the Z-axis direction relative to the cross beam seat 51, so that the clamping mechanism 64 descends synchronously; next, the first driving mechanism 63 drives the first clamping unit 641 and the second clamping unit 642 to move in a direction to approach each other, so as to clamp the surface to be welded of the workpiece 100, at which time the workpiece 100 can be laser-welded.

When welding is completed, first, the first driving mechanism 63 drives the first clamping assembly 641 and the second clamping assembly 642 to move in a direction away from each other, so as to loosen the surface to be welded of the workpiece 100; then, the Z-axis driving mechanism 61 drives the second mounting plate 62 to ascend along the Z-axis direction relative to the beam base 51, so that the clamping mechanism 64 ascends synchronously and further moves away from the workpiece 100, thereby avoiding interference with the rotation reversing operation of the workpiece 100.

Specifically, the clamping mechanisms 64 may be arranged in multiple groups to simultaneously clamp or unclamp multiple workpieces 100.

Further, referring to fig. 5 to 7, as an embodiment of the laser welding apparatus provided in the present application, each of the first clamping assembly 641 and the second clamping assembly 642 includes a base plate 643, a clamping block 644, and an elastic element 645. The substrate 643 is disposed on the first driving mechanism 63. The clamp block 644 is movably disposed on the base plate 643 in the Y-axis direction. The elastic element 645 is disposed between the base plate 643 and the clamping block 644, and is used for providing an elastic thrust to push the clamping block 644 to clamp the surface to be welded of the workpiece 100, so that a position error between different workpieces 100 can be eliminated, the clamping block 644 can always clamp the surface to be welded of the workpiece 100, and welding quality is guaranteed. Specifically, a movable shaft 646 is movably arranged on the base plate 643 in a penetrating manner, one end of the movable shaft 646 is connected with the clamping block 644, a nut 647 used for cooperating with the movable shaft 646 to prevent the movable shaft 646 from falling off the base plate 643 is arranged at the other end of the movable shaft 646, and the nut 647 can avoid the movable shaft 646 from falling off under the action of the elastic element 645. Specifically, the clamping block 644 can be a transparent clamping block 644 through which the laser beam emitted from the welding head 73 can pass to act on the workpiece 100, and the elastic element 645 can be a spring.

Further, referring to fig. 5 to 6, as an embodiment of the laser welding apparatus provided by the present application, the pressing device 60 further includes a guiding shaft 66, and the guiding shaft 66 is disposed to prevent the second mounting plate 62 from deviating in the Z-axis direction, so as to improve the operation accuracy. Specifically, the guide shaft 66 is movably disposed on the beam seat 51 along the Z-axis direction, one end of the guide shaft 66 is connected to the second mounting plate 62, and the other end of the guide shaft 66 is provided with an adjusting ring 67. By setting the adjusting ring 67, the maximum stroke of the movement of the second mounting plate 62 in the Z-axis direction can be adjusted, ensuring that the workpiece 100 to be welded is effectively clamped.

Further, referring to fig. 8 to 10, as an embodiment of the laser welding apparatus provided by the present application, the welding jig 10 includes a base 20, a plurality of jig components 30, and a first rotation driving mechanism 40. A plurality of tool subassemblies 30 set up on base 20 along the X axle direction, are provided with the welding station on the tool subassembly 30. The first rotary driving mechanism 40 is disposed on the base 20 and is used for driving each jig assembly 30 to rotate, and the jig assemblies 30 are rotated by the first rotary driving mechanism 40, so that the surfaces to be welded of the workpieces 100 face the laser welding device 70.

Further, referring to fig. 8 to 10, as an embodiment of the laser welding apparatus provided by the present application, the first rotary driving mechanism 40 includes a rack 41, a plurality of gears 42, and a second driving mechanism 43. The plurality of gears 42 are respectively engaged with the rack 41, and the plurality of gears 42 are respectively disposed on each jig assembly 30 for driving each jig assembly 30 to rotate. The second driving mechanism 43 is used for driving the rack 41 to reciprocate linearly. When the jig assemblies 30 need to be driven to rotate, the second driving mechanism 43 drives the rack 41 to do linear motion, and the gears 42 are respectively meshed with the same rack 41, so that the jig assemblies 30 can be driven to synchronously rotate, the positioning precision is high, each jig assembly 30 can be ensured to rotate to the same angle, the welding quality is ensured, the structure is simple, and the cost can be effectively reduced. Specifically, the second driving mechanism 43 may be an air cylinder, and the air cylinder extends and retracts to drive the rack 41 to reciprocate linearly, so as to drive the gears 42 to rotate, thereby finally realizing the synchronous rotation of the jig assemblies 30.

The application provides a welding jig 10, through setting up a plurality of tool subassemblies 30 to utilize each gear 42 respectively with same rack 41 meshing, can drive the synchronous rotation of each tool subassembly 30 this moment, its positioning accuracy is high, and can guarantee that every tool subassembly 30 all rotates to the same angle, guarantees welding quality, and simple structure, can effectively reduce cost expense.

Further, referring to fig. 11 to 12, as an embodiment of the laser welding apparatus provided by the present application, the jig assembly 30 includes a seat 31 disposed on the base 20, a rotating member 32 rotatably mounted in the seat 31, and a jig seat 33 disposed on the rotating member 32. The welding station is disposed on the jig base 33, and the gear 42 is fixedly connected to the rotary member 32, so as to drive the rotary member 32 to rotate, and further, the jig base 33 is rotated synchronously, and finally, the workpiece 100 is rotated.

Further, referring to fig. 11 to 12, as an embodiment of the laser welding apparatus provided by the present application, a containing groove 331 for containing the workpiece 100 is formed on the jig base 33, and the containing groove 331 forms a welding station. The shape of the receiving groove 331 can be configured to match the shape of the workpiece 100, so as to better support the workpiece 100.

Further, referring to fig. 11 to 12, as a specific embodiment of the laser welding apparatus provided by the present application, the seat 31 is provided with a slot 311, and the gear 42 is exposed out of the slot 311 and meshed with the rack 41. Through the arrangement of the slot 311, the gear 42 can be exposed and meshed with the rack 41, and the structure is simple.

Further, referring to fig. 11 to 12, as a specific embodiment of the laser welding apparatus provided by the present application, a second arc-shaped groove 332 is disposed on the jig base 33, a second fixing hole (not shown) is disposed on the rotating member 32, and a second fastening member (not shown) passes through any position of the second arc-shaped groove 332 and is connected and fixed with the second fixing hole, so that the rotation angle of a single jig base 33 can be adjusted, the position consistency of the workpiece 100 at each position is ensured, and the laser welding apparatus is applicable to different workpieces 100 and has a wider application range.

Further, referring to fig. 9 to 10, as an embodiment of the laser welding apparatus provided by the present application, a pressing component 80 is disposed on a side of the base 20 away from the jig component 30, and the pressing component 80 includes a connecting seat 81 and a pressing member 82. The connecting seat 81 is disposed on the base 20, and the pushing member 82 is disposed on the connecting seat 81 for pushing the rack 41 so that the rack 41 is tightly engaged with the gear 42. The rack 41 is fixed through the jacking assembly 80, rigid positioning is realized, positioning accuracy is high, the rack 41 is prevented from shifting under the action of external force, and welding quality is guaranteed.

Further, referring to fig. 9 to 10, as an embodiment of the laser welding apparatus provided by the present application, a first adjusting groove 811 extending along the Y-axis direction is disposed on the connecting seat 81, a third fixing hole (not shown) is disposed on the base 20, and a third fastening member (not shown) passes through any position of the first adjusting groove 811 and is connected and fixed with the third fixing hole. The third fastening piece is matched with the first adjusting groove 811, so that the abutting tightness of the top fastening piece 82 on the rack 41 can be adjusted, and the positioning precision is high. Specifically, the third fastening member may be a screw, and the third fixing hole may be a threaded hole. By adjusting the position of the third fastening member in the first adjustment groove 811, the tightening member 82 can always maintain tightening of the rack 41. When the adjustment is needed, the third fastening member can be separated from the third fixing hole, then the position of the third fastening member in the first adjusting groove 811 is adjusted, and finally the third fastening member is connected and fixed with the third fixing hole.

It should be noted that the setting mode of the tightening assembly 80 is not limited to this, for example, in another embodiment of the present application, the tightening assembly 80 may also be automatically controlled, for example, a driving motor or a driving cylinder may be provided to tighten or loosen the rack 41, or in yet another embodiment of the present application, the tightening assembly 80 may also be provided with a spring to automatically press the rack 41.

Further, referring to fig. 9 to 10, as a specific embodiment of the laser welding apparatus provided by the present application, the base 20 is further provided with a limiting block 90 for limiting a maximum stroke of the linear motion of the rack 41, so as to avoid an inaccurate rotation angle of the jig base 33 caused by excessive motion of the rack 41.

Further, referring to fig. 9 to 10, as a specific embodiment of the laser welding apparatus provided by the present application, a second adjusting groove 91 is formed on the limiting block 90 and extends along the X-axis direction, a fourth fixing hole (not shown) is formed on the base 20, and a fourth fastening member (not shown) passes through any position of the second adjusting groove 91 and is connected and fixed with the fourth fixing hole. The maximum stroke of the movement of the rack 41 can be adjusted through the matching of the fourth fastening piece and the second adjusting groove 91, and the positioning precision is high. Specifically, the fourth fastening member may be a screw, and the fourth fixing hole may be a threaded hole. By adjusting the position of the fourth fastener in the first adjustment groove 811, the maximum movement stroke of the rack 41 can be adjusted. When the adjustment is needed, the fourth fastening member can be separated from the fourth fixing hole, and then the position of the fourth fastening member in the second adjusting groove 91 is adjusted and finally connected and fixed with the fourth fixing hole.

Further, referring to fig. 9 to 10, as an embodiment of the laser welding apparatus provided by the present application, the tightening member 82 includes a bearing rotatably disposed on the connecting seat 81 for reducing friction with the rack 41. Because the rolling friction force is smaller than the sliding friction force, the rotatable bearing is arranged, the friction and the noise can be reduced, and the service life is prolonged.

Further, referring to fig. 8, as an embodiment of the laser welding apparatus provided by the present application, the laser welding apparatus further includes a turntable 200 and a second rotation driving mechanism 300 for driving the turntable 200 to rotate. The welding jig 10 includes a plurality of sets of welding jigs 10, and the plurality of sets of welding jigs 10 are disposed on the turntable 200 at intervals. Through setting up multiunit welding jig 10 to utilize second rotary driving mechanism 300 drive carousel 200 to rotate, and then make the welding jig 10 of treating welded workpiece 100 rotate to the welding position and weld, and other welding jigs 10 can carry out material loading or unloading simultaneously, can effectively improve welding efficiency. Specifically, the welding jigs 10 may be arranged in two groups.

The present invention is not intended to be limited to the particular embodiments shown and described, but is to be accorded the widest scope consistent with the principles and novel features herein disclosed.

Claims (12)

1. A laser welding device is characterized by comprising a welding jig, an X-axis movement device, a pressing device and a laser welding device;

the welding jig is provided with a plurality of welding stations distributed along the X-axis direction, and the welding stations are used for bearing a workpiece to be welded and driving the workpiece to rotate so that the surface to be welded of the workpiece faces the laser welding device;

the X-axis movement device comprises a cross beam seat, a movable seat which can be movably arranged on the cross beam seat along the X-axis direction, and an X-axis driving mechanism for driving the movable seat to move along the X-axis direction, wherein the cross beam seat comprises a first end and a second end which are distributed along the X-axis direction;

the pressing device is arranged on the cross beam seat and used for clamping the surface to be welded of the workpiece;

the laser welding device is arranged on the movable seat, when the movable seat moves from the first end to the second end, the laser welding device performs laser welding on one of the surfaces to be welded of each workpiece in sequence, and when the movable seat moves from the second end to the first end, the laser welding device performs laser welding on the other surface to be welded of each workpiece in sequence.

2. The laser welding apparatus according to claim 1, wherein: the laser welding device comprises two groups, and the two groups of laser welding devices are respectively arranged on two opposite sides of the movable seat along the Y-axis direction.

3. The laser welding apparatus according to claim 1, wherein: the laser welding apparatus includes:

the mounting seat is arranged on the movable seat;

a Y-axis movement mechanism disposed on the mount, and,

and the welding head is arranged on the Y-axis movement mechanism, and the Y-axis movement mechanism drives the welding head to move along the Y-axis direction so as to be close to or far away from the workpiece to be welded.

4. The laser welding apparatus according to claim 1, wherein: the press-fit device includes:

the Z-axis driving mechanism is arranged on the cross beam seat;

the second mounting plate is in transmission connection with the Z-axis driving mechanism and is driven by the Z-axis driving mechanism to lift along the Z-axis direction relative to the cross beam seat;

the first driving mechanism is arranged on the second mounting plate; and the number of the first and second groups,

the clamping mechanism comprises a first clamping assembly and a second clamping assembly, the second clamping assembly and the first clamping assembly are arranged oppositely, and the first driving mechanism is used for driving the first clamping assembly and the second clamping assembly to move along the directions close to or far away from each other so as to clamp or loosen the surface to be welded of the workpiece.

5. The laser welding apparatus according to claim 4, wherein: the first clamping assembly and the second clamping assembly both comprise:

the substrate is arranged on the first driving mechanism;

the clamping block is movably arranged on the substrate along the Y-axis direction; and the number of the first and second groups,

the elastic piece is arranged between the base plate and the clamping block and used for providing elastic thrust to push the clamping block to clamp the surface to be welded of the workpiece.

6. The laser welding apparatus according to claim 4, wherein: the pressing device further comprises a guide shaft, the guide shaft can be movably arranged on the cross beam seat along the Z-axis direction, one end of the guide shaft is connected with the second mounting plate, and the other end of the guide shaft is provided with an adjusting ring used for adjusting the maximum stroke of the second mounting plate moving along the Z-axis direction.

7. The laser welding apparatus according to any one of claims 1 to 6, wherein: the welding jig includes:

a base;

the jig assemblies are arranged on the base along the X-axis direction, and the welding stations are arranged on the jig assemblies; and the number of the first and second groups,

and the first rotary driving mechanism is arranged on the base and used for driving each jig assembly to rotate so as to enable the surface to be welded of the workpiece to face the laser welding device.

8. The laser welding apparatus according to claim 7, wherein: the first rotary drive mechanism includes:

a rack;

the gear wheels are respectively meshed with the racks and are respectively arranged on the jig components and used for driving the jig components to rotate; and the number of the first and second groups,

and the second driving mechanism is used for driving the rack to do linear reciprocating motion.

9. The laser welding apparatus according to claim 8, wherein: the jig assembly comprises a base arranged on the base, a rotating piece rotatably arranged in the base and a jig seat arranged on the rotating piece, the welding station is arranged on the jig seat, and the gear is fixedly connected with the rotating piece to drive the rotating piece to rotate.

10. The laser welding apparatus according to claim 9, wherein: the fixture seat is provided with a second arc-shaped groove, the rotating piece is provided with a second fixing hole, and a second fastener penetrates through any position of the second arc-shaped groove and is fixedly connected with the second fixing hole so as to adjust the rotating angle of the fixture seat.

11. The laser welding apparatus according to claim 8, wherein: one side that the base was kept away from the tool subassembly is provided with the tight subassembly in top, the tight subassembly in top includes:

the connecting seat is arranged on the base; and the number of the first and second groups,

and the jacking piece is arranged on the connecting seat and used for jacking the rack so as to enable the rack to be tightly meshed with the gear.

12. The laser welding apparatus according to claim 7, wherein: the laser welding equipment further comprises a turntable and a second rotary driving mechanism used for driving the turntable to rotate, the welding jigs comprise a plurality of groups, and the plurality of groups of welding jigs are arranged on the turntable at intervals.

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