Online double-track laser welding machine with fixed workbench

Abstract

According to the on-line double-track type laser welding machine with the fixed workbench, a carrier loaded with products on an assembly line is conveyed to a working area through a side roller chain conveying mechanism, a blocking air cylinder mechanism acts to block the carrier in the working area, the side roller chain conveying mechanism descends to place the carrier loaded with the products on a positioning platform to be positioned, and then the carrier loaded with the products is conveyed to the working area. The side roller chain conveying mechanism continues to press the to-be-welded product, the distance measuring mechanism measures the distance to determine the Z coordinate, the photographing welding mechanism carries out flying photographing on all welding spots to determine the XYZ coordinates, and meanwhile welding of the to-be-welded workpiece is completed according to the planned path; and the side roller chain conveying mechanism lifts to jack the welded workpiece together with the carrier to a designated position and conveys the workpiece to the assembly line, and the side roller chain conveying mechanism is in butt joint with the assembly line to achieve automatic production.

Description

Technical field:

[0001] The utility model relates to a laser welding machine, in particular to an online fixed workbench double-track laser welding machine. Background technology:

[0002] Because all the supporting large factories used to use single-rail assembly line equipment to produce products, the processing time required for different workstations on the same assembly line varies greatly, especially the laser welding workstation, which takes longer, about twice the average time of other workstations. Therefore, it is necessary to develop a laser welding machine that can match other workstation equipment. Utility model content:

[0003] In view of the above problems in the prior art, the utility model aims to provide an online fixed workbench double-track laser welding machine, which cooperates with an assembly line to achieve automated operation.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] An online fixed workbench double-track laser welding machine comprises a machine platform, on which are arranged two sets of independently controlled side roller chain conveying mechanisms, a positioning platform, a guide rail lifting mechanism, and a set of distance measuring mechanism and a camera welding mechanism; a pre-pressing jig and a blocking cylinder mechanism are installed on the guide rail of the side roller chain conveying mechanism; wherein the side roller chain conveying mechanism is installed on the machine platform and docked with the assembly line, the blocking cylinder mechanism is installed on the guide rail of the side roller chain conveying mechanism and is located outside the working area, the positioning platform is arranged in the working area on the machine platform, the guide rail lifting mechanism is installed on the machine platform to drive the side roller chain conveying mechanism to rise and fall, and the distance measuring mechanism and the camera welding mechanism are respectively installed on the machine platform; the carrier loaded with products on the assembly line is sent to the working area through the side roller chain conveying mechanism, and the blocking cylinder mechanism is installed on the guide rail of the side roller chain conveying mechanism. The cylinder mechanism is actuated to block the carrier in the working area. The side roller chain conveyor mechanism is driven down by the guide rail lifting mechanism to place the carrier loaded with products on the positioning platform for positioning. The guide rail lifting mechanism drives the side roller chain conveyor mechanism to continue to descend. The pre-pressing fixture installed on the side roller chain conveyor mechanism presses down to press the product to be welded on the carrier loaded with products. The distance measuring mechanism measures the distance of each welding point to determine the Z coordinate and then moves to the top of the side roller chain conveyor mechanism to wait for the arrival of materials. The camera welding mechanism takes a flying shot of each welding point to determine the XY coordinate and completes the welding of the workpiece to be welded according to the planned path. The guide rail lifting mechanism drives the side roller chain conveyor mechanism to rise to a fixed height and lifts the carrier loaded with products to the specified height. The side roller chain conveyor mechanism sends the welded workpiece together with the carrier to the next workstation.

[0006] Furthermore, the side roller chain conveying mechanism includes a guide rail and a side roller chain that cooperate with each other; wherein the guide rail cooperates with the guide rail lifting mechanism on the machine platform to be driven to rise and fall, the side roller chain is rotatably set on the guide rail, the pre-stressing jig is fixed on the guide rail and rises and falls with it, and the blocking cylinder mechanism is installed on the guide rail of the side roller chain conveying mechanism, is located on the side of the working area and rises and falls with it.

[0007] Furthermore, the distance measuring mechanism includes a distance measuring drive mechanism and a laser distance meter that cooperate with each other. The distance measuring drive mechanism is arranged on the machine platform to drive the laser distance meter to move along the X1 axis and the Y1 axis to measure the distance of each welding point and determine the Z coordinate.

[0008] Furthermore, the photo welding mechanism includes a photo driving mechanism and a photo welding assembly that cooperate with each other. The photo welding assembly includes a welding assembly, a photo camera assembly, a light source assembly, and a bamboo tube smoking assembly. The photo driving mechanism drives the photo welding assembly to move along the X2 axis, Y2 axis, and Z1 axis to perform flying positioning of each welding point to determine the XY coordinates.

[0009] Furthermore, the camera welding assembly includes a base plate, and the camera assembly is fixed on the base plate for visual positioning of each welding point to determine the XY coordinates and combine with the Z coordinate measured by the ranging assembly; the welding assembly is fixed on the base plate to perform welding operations; the bamboo tube smoke extraction assembly is fixed on the base plate to extract the smoke generated during the welding process, and the bamboo tube smoke extraction assembly is movable to facilitate the adjustment of the smoke outlet position.

[0010] By adopting the above technical solution, the utility model has the following advantages over the prior art:

[0011] 1. The utility model adopts a side roller chain conveying mechanism to connect the products to the assembly line online and send out the welded products, so that the production can be carried out continuously online; the side roller chain is used as the conveying power of this equipment, which has the advantages of quietness, durability and low cost, which is the first in the industry; the pre-pressing fixture is installed on the side roller chain conveying mechanism and shares a set of lifting mechanism, which can realize the function while streamlining the mechanism and saving costs; the side roller chain conveying mechanism is lifted and lowered to support the product and fix it on the positioning platform, so that the consistency of product position is effectively guaranteed, and the quality of product welding processing is effectively guaranteed.

[0012] 2. The distance measurement function of the utility model is separated into another set of motion system control, combined with the dual-track structure, so that the functions of entering and exiting the board, distance measurement, and positioning welding do not interfere with each other, avoiding the problem of long waiting time for entering and exiting the board causing the CT to be too long and the efficiency of the whole machine not being improved.

[0013] 3. The visual positioning component (camera component) and the welding component of the utility model are combined in a coaxial manner. The positioning and welding positions are the same XY coordinates, which avoids the short-distance multiple start-stop movements required for positioning using a rangefinder camera, shortens the operation time, and greatly improves the efficiency of the entire machine. Description of the drawings:

[0014] The following is a detailed description of the utility model with accompanying drawings:

[0015] Figure 1 It is a three-dimensional schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the side roller chain conveying mechanism of the utility model;

[0017] Figure 3 This is a schematic diagram of the welding assembly for taking photos of the present invention. Specific implementation method:

[0018] The utility model is described in detail below with reference to the accompanying drawings and embodiments:

[0019] Figure 1-Figure 3 Shown is an embodiment of the utility model.

[0020] An online fixed workbench double-track laser welding machine comprises a machine 1, on which are arranged two sets of independently controlled side roller chain conveying mechanisms 2, a positioning platform 3, a guide rail lifting mechanism 4, a set of distance measuring mechanisms 5 and a photographing welding mechanism 6 that cooperate with each other; a pre-pressing fixture 7 and a blocking cylinder mechanism 8 are installed on the guide rail 21 of the side roller chain conveying mechanism 2; wherein the side roller chain conveying mechanism 2 is installed on the machine 1 and docked with the assembly line, the blocking cylinder mechanism 8 is installed on the guide rail 21 of the side roller chain conveying mechanism 2 and is located outside the working area, the positioning platform 3 is set in the working area on the machine, the guide rail lifting mechanism 4 is installed on the machine 1 to drive the side roller chain conveying mechanism 2 to rise and fall, and the distance measuring mechanism 5 and the photographing welding mechanism 6 are respectively installed on the machine 1 and driven by their respective driving mechanisms; a carrier 9 loaded with products on the assembly line is driven by the side roller chain conveying mechanism 2 It is sent to the working area, the blocking cylinder mechanism 8 is actuated to block the carrier 9 in the working area, the side roller chain conveyor mechanism 2 is driven by the guide rail lifting mechanism 4 to descend and place the carrier 9 loaded with products on the positioning platform 3 for positioning, the guide rail lifting mechanism 4 drives the side roller chain conveyor mechanism 2 to continue to descend, and the pre-pressing fixture 7 installed on the side roller chain conveyor mechanism presses down to press the carrier 9 loaded with products to be welded, the distance measuring mechanism 5 measures the distance of each welding point to determine the Z coordinate and then moves to the top of the side roller chain conveyor mechanism 2 to wait for the arrival of the material, the camera welding mechanism 6 takes a flying shot of each welding point to determine the XY coordinate and then completes the welding of the workpiece to be welded according to the planned path; the guide rail lifting mechanism 4 drives the side roller chain conveyor mechanism 2 to rise to a fixed height and lifts the carrier 9 loaded with products to a specified height, and the side roller chain conveyor mechanism 2 sends the welded workpiece together with the carrier 9 to the next workstation.

[0021] In a specific embodiment, the side roller chain conveying mechanism 2 includes a guide rail 21 and a side roller chain 22 that cooperate with each other; wherein the guide rail 21 cooperates with the guide rail lifting mechanism 4 on the machine platform and is driven to lift and lower, the side roller chain 22 is rollingly set on the guide rail 21, the pre-pressing jig 7 is fixed on the guide rail 21 and rises and falls with it, and the blocking cylinder mechanism 8 is installed on the guide rail 21 of the side roller chain conveying mechanism 2, is located on the side of the working area and rises and falls with it.

[0022] The distance measuring mechanism 5 includes a distance measuring driving mechanism and a laser distance meter 51 which cooperate with each other. The distance measuring driving mechanism is arranged on the machine platform and drives the laser distance meter 51 to move along the X1 axis 52 and the Y1 axis 53 to measure the distance of each welding point and determine the Z coordinate.

[0023] The photographing welding mechanism 6 includes a photographing driving mechanism and a photographing welding assembly 61 that cooperate with each other. The photographing welding assembly 61 includes a base plate 611, on which a welding assembly 612, a camera assembly 613, a light source assembly 614, and a bamboo tube smoking assembly 615 are provided; the photographing driving mechanism drives the photographing welding assembly 61 to move along the X2 axis 62, the Y2 axis 63, and the Z1 axis 64 to perform flying positioning of each welding point to determine the XY coordinates.

[0024] Furthermore, a camera assembly 613 is fixed on the base plate 611 for visual positioning of each welding point to determine the XY coordinates and combine with the Z coordinate measured by the distance measuring assembly; a welding assembly 612 is fixed on the base plate 611 to perform welding operations; a bamboo tube smoke extraction assembly 615 is fixed on the base plate 611 to extract smoke generated during the welding process, and the bamboo tube smoke extraction assembly is movable to facilitate adjustment of the smoke outlet position.

[0025] When working, the left side of the equipment is connected to the upper station equipment, and the right side is connected to the lower station equipment. The side roller chain conveyor mechanism connects the carrier loaded with products to the equipment, and flows into the vicinity of the working area of ​​the equipment from direction A. The blocking cylinder mechanism on the mechanism blocks the carrier in the working area; the side roller chain conveyor mechanism is driven down by the guide rail lifting mechanism, and the carrier loaded with products is placed on the positioning platform, and the carrier is accurately positioned by the positioning pin; the guide rail lifting mechanism drives the side roller chain conveyor mechanism to continue to descend, and the pre-pressing fixture installed on the side roller chain conveyor mechanism 1 is pressed down on the carrier loaded with products to press the products that need welding machines; X1 axis, Y1 The axis drives the distance measuring mechanism to measure the distance of each welding point and determine the Z coordinate; after the distance measurement is completed, the X1 axis and the Y1 axis move the distance measuring mechanism to the top of the side roller chain conveying mechanism to wait for the arrival of the material; at the same time, the X2 axis, the Y2 axis, and the Z1 axis drive the camera welding mechanism to take flying photos (non-stop photos) of each welding point to determine the XY coordinates; then, the camera welding mechanism completes the welding work according to the planned path; after the welding is completed, the guide rail lifting mechanism drives the side roller chain conveying mechanism to rise to the specified height, and lifts the carrier loaded with the product to the specified height; the side roller chain conveying mechanism transports the carrier loaded with the product from direction A to the next workstation.

[0026] On the other side, the side roller chain conveyor mechanism connects the carrier loaded with products to the equipment, and flows into the vicinity of the working area of ​​the equipment from direction A. The blocking cylinder mechanism on the mechanism blocks the carrier in the working area; the side roller chain conveyor mechanism is driven down by the guide rail lifting mechanism, and the carrier loaded with products is placed on the positioning platform, and the carrier (product) is accurately positioned by the positioning pin; the guide rail lifting mechanism drives the side roller chain conveyor mechanism to continue to descend, and the pre-pressing fixture installed on the side roller chain conveyor mechanism is pressed down on the carrier loaded with products to press the products that need welding machines; the X1 axis and Y1 axis drive the distance measuring mechanism to move forward. The distance of each welding point is measured to determine the Z coordinate; after the distance measurement is completed, the X1 axis and the Y1 axis move the distance measuring mechanism to the top of the side roller chain conveyor mechanism to wait for the arrival of the material; at the same time, the X2 axis, the Y2 axis, and the Z1 axis drive the camera welding mechanism to take a flying shot (without stopping to take pictures) of each welding point to determine the XY coordinates; then, the camera welding mechanism completes the welding work according to the planned path; after the welding is completed, the guide rail lifting mechanism drives the side roller chain conveyor mechanism to rise to the specified height, and lifts the carrier loaded with the product to the specified height; the side roller chain conveyor mechanism transports the carrier loaded with the product from direction A to the next station. This completes a work cycle.

[0027] The utility model adopts a side roller chain conveying mechanism to connect the products to the assembly line online and send out the welded products, so that the production can be carried out continuously online; the side roller chain is used as the conveying power of the equipment, which has the advantages of quietness, durability and low cost, which is the first in the industry; the pre-pressing fixture is installed on the side roller chain conveying mechanism and shares a set of lifting mechanism, which can realize the function while streamlining the mechanism and saving costs; the side roller chain conveying mechanism is lifted and lowered to support the product and fix it on the positioning platform, so that the consistency of product position is effectively guaranteed, and the quality of product welding processing is effectively guaranteed.

[0028] The distance measurement function is separated into another set of motion system control. Combined with the dual-track structure, it can achieve the function of entering and exiting the board, distance measurement, and positioning welding without interfering with each other, avoiding the problem of long CT caused by long waiting time for entering and exiting the board and the failure to improve the efficiency of the whole machine.

[0029] The visual positioning component (camera component) and the welding component are combined in a coaxial manner. The positioning and welding positions are the same XY coordinate, which avoids the short-distance multiple start-stop movements required for positioning with a rangefinder camera, shortens the operation time, and greatly improves the efficiency of the entire machine.

[0030] The above description shows and describes the preferred embodiments of the utility model. As mentioned above, it should be understood that the utility model is not limited to the form disclosed herein, and should not be regarded as excluding other embodiments, but can be used in various other combinations, modifications and environments, and can be modified within the scope of the utility model concept described herein through the above teachings or the technology or knowledge of the relevant field. The changes and modifications made by those skilled in the art do not depart from the spirit and scope of the utility model, and should be within the scope of protection of the claims attached to the utility model.

Claims

1. An online fixed workbench double-track laser welding machine, characterized in that: The machine comprises a platform, on which are arranged two sets of independently controlled side roller chain conveying mechanisms, a positioning platform, a guide rail lifting mechanism, a set of distance measuring mechanism and a photographing and welding mechanism that cooperate with each other; a pre-pressing fixture and a blocking cylinder mechanism are installed on the guide rail of the side roller chain conveying mechanism; wherein the side roller chain conveying mechanism is installed on the platform and docked with the assembly line, the blocking cylinder mechanism is installed on the guide rail of the side roller chain conveying mechanism and is located outside the working area, the positioning platform is set in the working area on the platform, the guide rail lifting mechanism is installed on the platform to drive the side roller chain conveying mechanism to rise and fall, and the distance measuring mechanism and the photographing and welding mechanism are respectively installed on the platform; the carrier loaded with products on the assembly line is sent to the working area through the side roller chain conveying mechanism, and the blocking cylinder mechanism is actuated to block the carrier Blocking the working area, the side roller chain conveyor mechanism is driven down by the guide rail lifting mechanism to place the carrier containing the products on the positioning platform for positioning, and the guide rail lifting mechanism drives the side roller chain conveyor mechanism to continue to descend, and the pre-pressing fixture installed on the side roller chain conveyor mechanism presses down to press the carrier containing the products to be welded, the distance measuring mechanism measures the distance of each welding point to determine the Z coordinate and then moves to the top of the side roller chain conveyor mechanism to wait for the arrival of the material, the photo welding mechanism takes a flying shot of each welding point to determine the XY coordinate and then completes the welding of the workpiece to be welded according to the planned path; the guide rail lifting mechanism drives the side roller chain conveyor mechanism to rise to a fixed height and lifts the carrier containing the products to the specified height, and the side roller chain conveyor mechanism sends the welded workpiece together with the carrier to the next workstation.

2. The online fixed workbench double-track laser welding machine according to claim 1, characterized in that: The side roller chain conveying mechanism includes a guide rail and a side roller chain that cooperate with each other; wherein the guide rail cooperates with the guide rail lifting mechanism on the machine platform and is driven to lift and lower, the side roller chain is rotatably set on the guide rail, the pre-pressing jig is fixed on the guide rail and rises and falls with it, and the blocking cylinder mechanism is installed on the guide rail of the side roller chain conveying mechanism, is located on the side of the working area and rises and falls with it.

3. An online fixed workbench double-track laser welding machine as claimed in claim 1 or 2, characterized in that: The distance measuring mechanism includes a distance measuring drive mechanism and a laser distance meter that cooperate with each other. The distance measuring drive mechanism is arranged on the machine platform to drive the laser distance meter to move along the X1 axis and the Y1 axis to measure the distance of each welding point and determine the Z coordinate.

4. The online fixed workbench double-track laser welding machine as claimed in claim 3, characterized in that: The photographic welding mechanism includes a photographic driving mechanism and a photographic welding assembly that cooperate with each other. The photographic welding assembly includes a welding assembly, a photographic camera assembly, a light source assembly, and a bamboo tube smoking assembly. The photographic driving mechanism drives the photographic welding assembly to move along the X2 axis, the Y2 axis, and the Z1 axis to perform flying positioning of each welding point to determine the XY coordinates.

5. The online fixed workbench double-track laser welding machine as claimed in claim 4, characterized in that: The camera welding assembly includes a base plate, on which the camera assembly is fixed for visual positioning of each welding point to determine the XY coordinates and combined with the Z coordinate measured by the ranging assembly; the welding assembly is fixed on the base plate to perform welding operations; the bamboo tube smoke extraction assembly is fixed on the base plate to extract the smoke generated during the welding process, and the bamboo tube smoke extraction assembly is movable to facilitate adjustment of the smoke outlet position.

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