CN209664577U - Laser welding equipment with auxiliary support mechanism - Google Patents

Abstract

A kind of laser welding apparatus with auxiliary support mechanism, it includes pedestal, workbench, the welding mechanism being set to above pedestal, it is set to the auxiliary support mechanism that welded workpiece is used to support below the welding mechanism, the pressing device for being used to compress welded workpiece being set on the pedestal, the workbench side is set to for clamping the clamping device of workpiece, the control system of the feeding mechanism and setting being connect with the clamping device on the base, the auxiliary support mechanism is equipped with several spaced support columns for being used to support to-be-welded pieces.

Description

Laser welding equipment with auxiliary support mechanism

technical field

The utility model relates to the field of laser processing, in particular to a laser welding device with an auxiliary support mechanism.

Background technique

At present, with the advancement of science and technology and the development of society, the innovation of laser welding technology has greatly promoted the development of welding technology. The current laser welding process has higher requirements for the stability of equipment. However, due to the design defects of fixtures and other devices, the workpieces to be welded are prone to deviation and deformation during transportation; Gap, when the gap and the flatness of the piece to be welded exceed 5% of the thickness of the upper layer to be welded, it will directly affect the welding quality, causing great safety hazards in the welded plate.

Utility model content

The purpose of the utility model is to provide a laser welding equipment with an auxiliary supporting mechanism which is stable in transportation and has a long service life.

In order to achieve the above purpose, the utility model provides a laser welding equipment with an auxiliary support mechanism, which includes a base, a workbench, a welding mechanism arranged above the base, and a welding mechanism arranged below the welding mechanism to support the workpiece to be welded. The auxiliary supporting mechanism, the pressing device arranged on the base for pressing the workpiece to be welded, the clamping device arranged on one side of the workbench for clamping the workpiece, and the clamping device connected to the clamping device The feeding mechanism and the control system arranged on the base, and the auxiliary support mechanism is provided with a number of support columns arranged at intervals for supporting the pieces to be welded.

Preferably, the auxiliary support mechanism includes a support plate and first and second support blocks located on both sides of the support plate, and the support column is arranged on the support plate and extends away from the ground.

Preferably, the top ends of the support columns are located in the same plane parallel to the ground.

Preferably, the support plate is made of a material that is not easy to be broken down by the laser and is resistant to high temperature, and the material is copper.

Preferably, the sides of the first and second support blocks facing the support plate are provided with a plurality of first and second corrugations arranged at intervals, and the distance between the adjacent first corrugations and the adjacent second corrugations is A second rolling support is provided between them.

Preferably, the welding mechanism includes a mobile module, a driving part for driving the mobile module to move, and a laser welding head arranged on the mobile module, and the support plate is located below the laser welding head.

Preferably, the auxiliary support mechanism further includes first and second support pieces located on the first and second support blocks.

Preferably, the pressing device includes first and second air cylinders fixed to the base, first and second support rods arranged adjacent to the first and second air cylinders respectively, and first and second cylinders driven by the first and second air cylinders respectively. , the second drive rod and the pressing member connected between the first and second driving rods, the pressing member is provided with a pressing plate that cooperates with the first and second support sheets to compress the workpiece to be welded .

Compared with the prior art, the welding area of the workpiece to be welded in the laser welding equipment with the auxiliary support mechanism of the utility model is supported by the support column of the auxiliary support mechanism, and the point contact between the auxiliary support mechanism and the workpiece to be welded effectively reduces the The degree of thermal deformation of the auxiliary support mechanism during the laser welding process improves the service life of the auxiliary support mechanism. The active area of the laser can effectively prevent the auxiliary support mechanism from being broken down by the laser.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the laser welding equipment with auxiliary supporting mechanism of the present invention;

Fig. 2 is a schematic diagram of the structure of the laser welding equipment with auxiliary support mechanism of the present invention, removing the workbench, clamping device, feeding mechanism and control system;

Fig. 3 is a structural schematic diagram of the auxiliary support mechanism of the laser welding equipment with the auxiliary support mechanism of the present invention;

Fig. 4 is a structural schematic diagram of the pressing device of the laser welding equipment with auxiliary supporting mechanism of the present invention;

Fig. 5 is a structural schematic diagram of the clamping device of the laser welding equipment with an auxiliary support mechanism of the present invention.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments. In the following description, the same symbols are attached to the same or equivalent elements, and repeated explanations are omitted.

As shown in FIG. 1 , a laser welding device 100 with an auxiliary support mechanism includes a base 1 , a workbench 2 arranged on both sides of the base 1 , a welding mechanism 3 arranged above the base 1 , and an auxiliary support mechanism arranged below the welding mechanism 3 4. The pressing device 5 arranged on the base 1, the clamping device 6 arranged on one side of the workbench 2 for clamping the workpiece (not shown), the feeding mechanism 7 connected with the clamping device 6 and the Control system 8 on base 1.

Continuing to refer to Figure 1, set the axis parallel to the moving direction of the workpiece to be welded as the X axis, the axis perpendicular to the ground as the Z axis, and the axis orthogonal to the X axis and the Z axis as the Y axis. Spatially related terms such as "upper", "lower", "left", "right", "front", "rear", etc. may be used herein to describe the positional relationship between elements, such that one element is described in relation to another element. The description of the positional relationship becomes easy. And define that the left and right directions are parallel to the X axis, the front and rear directions are parallel to the Y axis, and the up and down directions are parallel to the Z axis, where the end close to the clamping device 6 is the left end, the end close to the control system 8 is the front end, and the end far away from the ground is upper end. In addition, the descriptors "parallel" and "perpendicular" used in this article are not absolutely parallel and vertical in the mathematical sense, and a certain angle of deviation is allowed; "connection", "fixation", and "installation" describe the relationship between two components. The vocabulary of the connection relationship, in the absence of special instructions, there may be a third element between the two elements, or there may be direct contact between the two elements.

As shown in FIG. 2 , the base 1 includes a cuboid body part 10 extending along the Y-axis direction, a first support part 11 located at the front end of the body part 10, a second support part 12 located at the rear end of the body part 10, and a lower part near the ground. The surface 13 , the upper surface 14 opposite to the lower surface 13 and provided on the main body 10 , the top surface 15 located at the top of the first and second support parts 11 , 12 , and the front end surface 16 located at the front end of the first support part 11 . The lower surface 13 is provided with a plurality of first support feet 131 for supporting the base 1, the auxiliary support mechanism 4 and the pressing device 5 are arranged on the upper surface 14 of the main body 10, and the welding mechanism 3 is arranged on the first and second sides of the base 1. On the top surface 15 of the two support parts 11 , 12 , the control system 8 is installed on the front end surface 16 of the first support part 11 of the base 1 .

1, the workbench 2 includes a main workbench 20 on the left side of the base 1 and an auxiliary workbench 26 on the right side of the base 1. The main workbench 20 includes a bracket 21 and a second supporting foot arranged below the bracket 21. 22. A number of convex strips 23 arranged on the support 21 and extending along the workpiece feeding direction and parallel to each other, a number of guides 24 arranged on the support 21 and extending along the workpiece feeding direction and parallel to each other, and arranged on adjacent two Several first rolling supports 25 extending along the Y-axis direction between the root protrusions 23 . In this embodiment, the number of protruding lines 23 is set to three, the number of guides 24 is two and arranged on the bracket 21, and the guides 24 are set as upwardly protruding guide rails, and the first rolling support 25 is connected to the corresponding For the rollers between the adjacent two protruding strips 23, the center line of the rollers is parallel to the Y axis. In other embodiments, the quantity of the convex strip 23 and the guide piece 24 can be set according to actual needs, the guide piece 24 can be arranged on the convex strip 23, the guide piece 24 can be set as a guide groove, and the first rolling support 25 can be formed by Balls and other structural components that can reduce the frictional force of mutual movement between the workpiece and the first rolling support member 25 . The auxiliary workbench 26 has basically the same structure as the main workbench 20 , except that the guide piece 24 on the main workbench 20 is missing, and the detailed description of the auxiliary workbench 26 is omitted here. The main workbench 20 and the auxiliary workbench 26 are fixedly connected to the left and right sides of the base 1 in a conventional connection manner.

As shown in FIG. 2 , the welding mechanism 3 includes a moving module 31 , a drive unit (not shown, preferably a motor) for driving the moving module 31 , and a laser welding head 32 arranged on the moving module 31 . In this embodiment, the number of laser welding heads 32 is 2, and in other embodiments, the number of laser welding heads 32 can be set according to actual needs.

As shown in FIG. 3 , the auxiliary support mechanism 4 is located between the first and second support parts 11 and 12 of the base 1 and below the welding head 32, and is used to support the workpiece being welded, which includes extending along the Y-axis direction The substantially rectangular parallelepiped support plate 40, the support column 41 that is arranged on the support plate 40 and extends to the direction away from the ground, the first and second support blocks 42, 43 and The first and second support pieces 421 and 431 are located on the first and second support blocks 42 and 43 . The tops of several support columns 41 are located in the same plane parallel to the plane of the X-axis and Y-axis (ie the ground), and the sides of the first and second support blocks 42, 43 facing the support plate 40 are arranged at intervals along the Y-axis direction. There are several first and second corrugations 422, 432, and a second rolling support member 44 is provided between adjacent first corrugations 422 and adjacent second corrugations 432. In this embodiment, the second rolling support member 44 is a roller, and the centerline of the roller is parallel to the Y axis. In other embodiments, the second rolling support 44 may be composed of balls and other structures capable of reducing the frictional force between the mutual movement between the workpiece and the second rolling support 44 . The support plate 40 is made of materials such as red copper that are not easy to be broken down by laser and are resistant to high temperature.

As shown in FIG. 4 , the pressing device 5 is set as two groups of pneumatic pressing devices with the same structure, which are arranged on the left and right sides of the auxiliary support mechanism 4 and arranged symmetrically with respect to the center line of the Y-axis direction relative to the support plate 40 of the auxiliary support mechanism 4 . Compression devices, only one set of compression devices 5 will be described in detail here. The pressing device 5 includes first and second air cylinders 51 and 52 fixed on the upper surface 102 of the base 1 and arranged adjacent to the first and second support parts 11 and 12 of the base 1 respectively, adjacent to the first and second air cylinders 51 respectively. , 52 provided first and second support rods 53,54, first and second drive rods 55,56 driven by first and second cylinders 51 and 52 respectively and connected to first and second drive rods 55, Compression member 58 between 56. The first and second drive rods 55, 56 rotate under the drive of the first and second cylinders 51, 52 with the first and second support rods 53, 54 as fulcrums respectively, thereby driving the pressing member 58 to move and realize the workpiece to be welded compression work.

As shown in Figure 1, the first and second cylinders 51, 52 are respectively provided with first and second telescopic rods 511, 521 and first and second drive shafts respectively located at the upper ends of the first and second telescopic rods 511 and 521. 512, 522. The first and second support rods 53 and 54 are respectively provided with first and second pivot shafts 531 and 541 located at their upper ends. The pressing member 58 includes a connecting plate 581 located in a plane parallel to the plane of the Y-axis and the Z-axis, a pressing plate 582 located at the lower end of the connecting plate 581 and perpendicular to the connecting plate 581, and a connecting plate 582 located between the connecting plate 581 and the pressing plate 582. The first and second connecting blocks 583 and 584 at both ends, the first and second connecting shafts 585 and 586 respectively arranged on the upper ends of the first and second connecting blocks 583 and 584 and the connecting plate 581 and the pressing plate 582 Between the reinforcing ribs 588, the pressing plate 582 is substantially parallel to the ground. The first and second driving rods 55 and 56 are respectively connected with the first and second driving shafts 512 and 522 of the first and second cylinders 51 and 52, the first and second support rods 53 and 54 respectively. , the second pivot shaft 531,541 and the first and second connecting shafts 585,586 on the pressing member 58 cooperate with the first and second drive holes (unlabeled), the first and second pivot holes (unlabeled) ) and the first and second connection holes (not labeled), the first and second drive holes, the first and second pivot holes and the first and second connection holes and the first and second drive shafts 512, 522, The first and second pivot shafts 531, 541 and the first and second connecting shafts 585, 586 are loosely fitted, so that these shafts can freely rotate in the holes. The first and second drive rods 55, 56 take the first and second pivot shafts 531, 541 as fulcrums and rotate under the drive of the first and second telescopic rods 511, 521 of the first and second cylinders 51, 52, thereby Drive the pressing part 58 to move to realize the pressing work of the workpiece to be welded. In this embodiment, the pressing plates 582 of the two sets of pressing devices 5 extend towards a direction approaching each other, and in other embodiments, the pressing plates 582 may extend towards a direction away from each other.

As shown in FIG. 5 , the clamping device 6 includes a base 61 , a clamping portion 62 disposed at one end of the base 61 , and first and second adjusting portions disposed on the base 61 . The clamping part 62 includes a bottom plate 621 extending from the bottom of the base part 61 and a clamping plate 622 that can be displaced in the directions of the X-axis, Y-axis and Z-axis through the adjustment of the first and second adjusting parts. The first regulating part includes a first flange 63 and a first transmission mechanism (not shown) that is arranged inside the base 61 and is in transmission connection with the first flange 61 and the clamping plate 622. The second adjusting part includes a second flange 64 and a second transmission mechanism (not shown) disposed inside the base 61 and connected in transmission with the second flange 64 and the clamping plate 622 . The first and second transmission mechanisms are conventional transmission mechanisms, such as gears, racks and other transmission mechanisms capable of displacing the clamping plate 622 in the X-axis, Y-axis and Z-axis directions. By manually rotating the first and second flanges 631 and 641, not only can the clamping plate 622 be displaced in the Z-axis direction to clamp the workpiece, but also be adjusted in the X-axis and Y-axis directions according to different tooling requirements. The position of the clamping plate 622 is to meet the usage requirements. In this embodiment, there are three clamping devices 6 arranged at intervals along the Y-axis direction. In other embodiments, the number of clamping devices 6 can be determined according to actual usage requirements.

As shown in Fig. 1, feed mechanism 7 is fixedly connected with clamping device 6, and it comprises the pushing part 71 that is fixedly connected with clamping device 6, the driving part (not shown, preferably motor) that drives pushing part 71 to move and The guide parts 72 located on the front and rear sides of the push part 71 cooperate with the guide piece 24 on the main table 20 to move the push part 71 in a predetermined direction. The guide part 72 can be a guide groove or a guide rail, and its structure is adjusted accordingly according to the structure of the guide member 24 .

The control system 8 is a CNC control system. After the workpiece to be welded is determined, programming is performed in the programming software library according to the size and material characteristics of the workpiece to be welded, and then the processing program is automatically generated and transmitted to the control system 8. After the control system 8 is started , the laser welding equipment 100 with the auxiliary supporting mechanism is operated, and the workpiece to be welded is automatically welded.

The working process of the laser welding equipment 100 with auxiliary support mechanism is as follows: after the processing program is generated, firstly, the workpiece to be welded is placed horizontally on the main workbench 20 along the direction parallel to the plane where the X-axis and Y-axis are located, and then, manually Rotate the first and second flanges 631, 641 to clamp the workpiece to be welded, then start the control system 8, the control system 8 starts the drive part of the feed mechanism 7 to drive the feed mechanism 7, and the fixed connection with the feed mechanism 7 The clamping device 6 and the workpiece to be welded clamped on the clamping device 6 move, and when the area to be welded of the workpiece to be welded moves above the support plate 40 of the auxiliary support mechanism 4, the control system 8 turns off the drive of the feeding mechanism 7 At the same time, start the compression device 5, so that the first and second telescopic rods 511, 521 of the first and second cylinders 51, 52 of the compression device 5 extend upward, and the first and second telescopic rods 511, 521 extend upward Push the first and second drive rods 55 and 56 so that the ends of the first and second drive rods 55 and 56 connected to the first and second drive shafts 512 and 52 take the first and second pivot shafts 531 and 541 as fulcrums Rotate upwards, and then drive the first and second drive rods 55, 56 to rotate downwards with the first and second pivot shafts 531, 541 as the fulcrum, and finally drive the compression The member 58 moves downward, so that the pressing plate 582 of the pressing device 5 cooperates with the first and second supporting pieces 421, 431 of the auxiliary supporting device 4 to tightly compress and fit the workpieces to be welded together, so that There is no displacement or deformation between the welding workpieces, thus ensuring the constant focus of the welding area and the consistency of welding quality at each point of the welding area. At this time, the area to be welded of the workpiece to be welded is supported by the support column 41 of the auxiliary support mechanism 4. Next, the control system 8 starts the driving part of the welding mechanism 3, and the driving part of the welding mechanism 3 drives the welding head 32 according to the preset The procedure for welding the parts to be welded. After the welding is completed, the control system 8 controls the pressing device 5 to release the workpiece and moves the welded workpiece to the auxiliary workbench 26 for blanking.

The main workbench 20 is provided with a first rolling support 25 and a guide 24, and the feeding mechanism 7 is provided with a guide 72 that cooperates with the guide 24 on the main workbench 20 so that the pusher 71 moves in a predetermined direction, assisting The support mechanism 4 is provided with a second rolling support 44, so that the workpiece is not easy to deviate, deform, etc. during transportation, so that the welding quality is guaranteed.

The area to be welded of the workpiece to be welded is supported by the support column 41 of the auxiliary support mechanism 4, and the point contact between the auxiliary support mechanism 4 and the workpiece to be welded effectively reduces the degree of thermal deformation of the auxiliary support mechanism 4 during laser welding and improves the auxiliary support. At the same time, the auxiliary support mechanism 4 with support columns 41 replaces the traditional flat support, which greatly reduces the area of interaction between the auxiliary support mechanism 4 and the laser during the laser welding process, effectively preventing the auxiliary support mechanism 4 from pierced by a laser.

The clamping device 6 is provided with a first flange 631, a first transmission mechanism, a second flange 641 and a second transmission mechanism. Manual rotation of the first and second flanges 631, 641 can not only make the clamping plate 622 The workpiece can be clamped by shifting in the Z-axis direction, and the position of the clamping plate 622 can be adjusted in the X-axis and Y-axis directions according to different tooling requirements so as to adjust the clamping position to meet the use requirements.

The pressing device 5 adopts the first and second drive rods 55, 56 in combination with the first and second cylinders 51, 52 to drive the pressing member 58 to cooperate with the first and second support pieces 421, 431 on the auxiliary support mechanism 4 to be welded. Because the cylinder can provide a large torque, it can tightly compact and fit the two layers of sheets to be welded together, so that there is no displacement and deformation of the welded parts, thus ensuring the focus of the welding area. Constant, ensuring the consistency of welding quality at each point in the welding area, greatly improving the welding quality.

The above embodiments are only used to illustrate the utility model and are not intended to limit the technical solutions described in the utility model. The understanding of this description should be based on those skilled in the art. However, those of ordinary skill in the art should understand that those skilled in the art can still make modifications or equivalent replacements to the utility model, and all technical solutions and improvements thereof that do not depart from the spirit and scope of the utility model , should be covered within the scope of the claims of the present utility model.

Claims (8)

1. A laser welding device with an auxiliary support mechanism, characterized in that: it includes a base, a workbench, a welding mechanism arranged above the base, and the auxiliary support mechanism arranged below the welding mechanism for supporting workpieces to be welded , a pressing device arranged on the base for pressing the workpiece to be welded, a clamping device arranged on one side of the workbench for clamping the workpiece, a feeding mechanism connected with the clamping device, and The control system is arranged on the base, and the auxiliary support mechanism is provided with several support columns arranged at intervals for supporting the pieces to be welded. 2. The laser welding equipment with auxiliary support mechanism according to claim 1, characterized in that: the auxiliary support mechanism comprises a support plate and first and second support blocks located on both sides of the support plate, and the support column is set on the support plate and extend away from the ground. 3. The laser welding equipment with auxiliary support mechanism according to claim 2, characterized in that: the top ends of the support columns are located in the same plane parallel to the ground. 4. The laser welding equipment with auxiliary support mechanism according to claim 2, characterized in that: the support plate is made of a material that is not easy to be broken down by the laser and is resistant to high temperature, and the material is copper. 5. The laser welding equipment with auxiliary support mechanism according to claim 2, characterized in that: the sides of the first and second support blocks facing the support plate are provided with several first and second corrugations arranged at intervals , a second rolling support is provided between the adjacent first ribs and the adjacent second ribs. 6. The laser welding device with an auxiliary supporting mechanism according to claim 2, characterized in that: the welding mechanism includes a mobile module, a drive unit for driving the movement of the mobile module, and a laser set on the mobile module A welding head, the support plate is located below the laser welding head. 7. The laser welding device with an auxiliary support mechanism according to claim 2, wherein the auxiliary support mechanism further comprises first and second support pieces located on the first and second support blocks. 8. The laser welding equipment with auxiliary support mechanism according to claim 7, characterized in that: said pressing device comprises first and second air cylinders fixed on the base, and a first and second air cylinder respectively adjacent to the first and second air cylinders. 1. The second support rod, the first and second drive rods respectively driven by the first and second cylinders, and the pressing member connected between the first and second driving rods, the pressing member is provided with the Cooperate with the first and second supporting pieces to compress the pressing plate of the workpiece to be welded.