A strip automatic welding device and system with nitrogen protection

Abstract

The application discloses a kind of nitrogen protection's material belt automatic welding device and system, including material belt support mechanism, welding positioning mechanism, rivet distribution mechanism, nitrogen conveying mechanism and processing table;By setting material belt support mechanism on processing table, welding positioning mechanism is set on material belt support mechanism, material belt is supported and transported by material belt support mechanism, and is cooperated with laser welding equipment by welding positioning mechanism, material belt is positioned by welding positioning mechanism and makes material belt and multiple butt welds of rivet expose, realizes multi-point welding, rivet distribution mechanism is docked with welding positioning mechanism to continuously transport rivet, nitrogen is transported to welding positioning mechanism by external nitrogen conveying mechanism simultaneously to material belt protective welding is carried out, to realize automatic intelligent batch welding.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of material belt processing and welding, and particularly relates to a material belt automatic welding device and system with nitrogen protection. BACKGROUND

[0002] Some special workpiece processing steps are as follows: after material belt stamping processing, the material belt is cut into finished parts, and then the finished parts are rivet welded. This method is low in efficiency, and the dispersed finished parts need to be fixed and sorted, so corresponding positioning processing equipment is needed, resulting in low processing efficiency and high processing cost. Therefore, the rivet is directly welded on the material belt before the cutting step after the material belt stamping processing, which can reduce the subsequent processing steps and facilitate the fixing of the material belt. However, the material belt needs to be positioned for welding, and the rivet also needs to be continuously conveyed to cooperate with the material belt welding. In addition, the material belt is relatively thin, and nitrogen protection welding is needed during welding to prevent the material belt from being welded through. Laser welding is used as the welding means, which is relatively accurate, and traditional welding means is not suitable for direct welding on the material belt. SUMMARY

[0003] The purpose of the present application is to provide a material belt automatic welding device and system with nitrogen protection. A material belt supporting mechanism is arranged on the processing table, a welding positioning mechanism is arranged on the material belt supporting mechanism, the material belt is supported and conveyed by the material belt supporting mechanism, and the welding positioning mechanism cooperates with the laser welding equipment. The welding positioning mechanism positions the material belt and exposes multiple butt welding points of the rivet and the material belt, realizes multi-point welding, the rivet distribution mechanism cooperates with the welding positioning mechanism to continuously convey the rivet, and the external nitrogen conveying mechanism conveys nitrogen to the welding positioning mechanism to protectively weld the material belt, so as to realize automatic and intelligent batch welding.

[0004] The present application is realized by the following technical solutions:

[0005] A material belt automatic welding device with nitrogen protection, comprising:

[0006] A material belt supporting mechanism, which is used for positioning and supporting the material belt and conveying the material belt;

[0007] A welding positioning mechanism, which is arranged on the material belt supporting mechanism, and at least one welding groove is arranged on the welding positioning mechanism. The welding positioning mechanism is used for cooperating with an external laser welding device to weld the material belt and the rivet;

[0008] A rivet distribution mechanism, which cooperates with the welding positioning mechanism and is used for conveying the rivet to the lower side of the material belt;

[0009] Nitrogen conveying mechanism for filling nitrogen into the welding groove to protect the material belt during welding;

[0010] Processing table for setting material belt supporting mechanism, welding positioning mechanism, rivet dispensing mechanism and nitrogen conveying mechanism.

[0011] Further, the material belt supporting mechanism comprises a material belt supporting plate and two groups of supporting rollers, the two groups of supporting rollers are arranged at intervals, the welding positioning mechanism is arranged between the two groups of supporting rollers, the material belt supporting plate is arranged below the processing table, and the material belt supporting plate is arranged at intervals with the processing table.

[0012] Further, the welding positioning mechanism comprises a welding seat, a pressing plate and a positioning plate, the welding seat is arranged on the material belt supporting plate, the pressing plate is located on the welding seat, a limiting groove is arranged on the welding seat for limiting the material belt, a positioning opening is arranged in the middle of the pressing plate, a plurality of welding grooves are arranged on the welding seat, and the positioning opening is arranged at the position of the welding groove; the positioning plate is arranged above the positioning opening, and a relief hole is arranged at the position of the welding groove on the positioning plate.

[0013] Further, at least one nitrogen inlet head is arranged on the positioning plate, the nitrogen inlet head is used for connecting the nitrogen conveying mechanism, the nitrogen inlet head is communicated with the welding groove below, and nitrogen enters the welding groove through the nitrogen inlet head.

[0014] Further, a fixed plate is arranged on one side of the welding seat, and the rivet dispensing mechanism is arranged on the fixed plate; the rivet dispensing mechanism comprises a feeding assembly and a conveying assembly, the feeding assembly is connected with the conveying assembly; a plurality of feeding openings are arranged on the feeding assembly, the feeding assembly is connected with an external vibration disc, the rivets are vibrated and distributed by the vibration disc to make the rivets uniformly enter the plurality of feeding openings, and the rivets are sent into the welding seat through the dispensing assembly to be connected with the material belt, and laser welding is performed through an external laser welding device.

[0015] Further, the feeding assembly comprises a feeding seat and a cover plate, a feeding groove is arranged on the feeding seat, and the cover plate is arranged on the feeding seat to limit the rivets and prevent the rivets from falling out of the feeding groove.

[0016] Further, the rivet dispensing mechanism comprises a dispensing piece and an air channel pressing plate, a plurality of slides are arranged on the dispensing piece, air channels are arranged on both sides of the slide, the air channels are connected with an external air pump, and the rivets are pushed into the welding groove by the external gas in the slide to be connected with the material belt.

[0017] Further, the nitrogen conveying mechanism comprises a storage box, a nitrogen bottle group and a nitrogen solenoid valve; the storage box is located below the machining table, the nitrogen bottle group is arranged in the storage box, the nitrogen solenoid valve is arranged on the machining table, the nitrogen solenoid valve is connected with the welding positioning mechanism and the nitrogen bottle group through a nitrogen hose; the nitrogen solenoid valve is connected with an external control host, and the control host is used for controlling the nitrogen outflow amount.

[0018] A strip automatic welding system with nitrogen protection comprises:

[0019] A strip supporting module is used for positioning and supporting the strip and conveying the strip.

[0020] A welding positioning module is used for cooperating with the strip supporting module and external welding equipment to weld the strip and rivets.

[0021] A rivet distributing module is used for conveying rivets to the lower part of the strip.

[0022] A nitrogen conveying module is used for filling nitrogen into the welding positioning module to protect the strip during welding.

[0023] A mounting and fixing platform is used for fixing the strip supporting module, the welding positioning module, the rivet distributing module and the nitrogen conveying module.

[0024] Further, the rivet conveying module comprises a conveying unit and a feeding unit, the conveying unit is arranged between the feeding unit and the welding positioning module, the rivets enter the welding positioning module through the conveying unit after entering the feeding unit from the external vibrating disc and are docked with the strip; the nitrogen conveying module comprises a nitrogen control unit, the nitrogen enters the welding positioning module under the control of the nitrogen control unit, and the strip is welded with the rivets under the protection of the nitrogen.

[0025] Compared with the prior art, the present application has the following advantages and beneficial effects:

[0026] 1) In the present application, the strip supporting mechanism is arranged on the machining table, the welding positioning mechanism is arranged on the strip supporting mechanism, the strip is supported and conveyed by the strip supporting mechanism, and the welding positioning mechanism is cooperated with the laser welding equipment, the strip is positioned by the welding positioning mechanism, and the multiple docking welding points of the strip and the rivets are exposed, the multi-point welding is realized, the rivet distributing mechanism is docked with the welding positioning mechanism to continuously convey the rivets, and the nitrogen is conveyed into the welding positioning mechanism by the external nitrogen conveying mechanism to protect the strip during welding, so that the automatic and intelligent batch welding is realized.

[0027] 2) The welding seat of the welding positioning mechanism is provided with three groups of welding grooves, and the positioning plate above the welding grooves is provided with three groups of nitrogen gas access heads, and the pressing plate below the positioning plate is provided with a nitrogen gas containing groove, which can make the nitrogen gas disperse and uniformly enter the three welding grooves, so as to ensure that each welding groove is uniformly protected by low-temperature nitrogen gas during welding, and if defective products occur subsequently, the welding defects caused by uneven low-temperature protection can be excluded, the efficiency of maintenance can be improved, and the processing efficiency can be further improved. BRIEF DESCRIPTION OF DRAWINGS

[0028] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present application, and should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor.

[0029] Figure 1 It is an overall structure diagram of the automatic welding device for the material belt with nitrogen protection.

[0030] Figure 2 It is an assembly structure diagram of the welding seat and the pressing plate in the automatic welding device for the material belt with nitrogen protection.

[0031] Figure 3 It is a structure diagram of the welding seat in the automatic welding device for the material belt with nitrogen protection.

[0032] Figure 4 It is a structure diagram of the positioning plate in the automatic welding device for the material belt with nitrogen protection.

[0033] Figure 5 It is a structure diagram of the feeding seat in the automatic welding device for the material belt with nitrogen protection.

[0034] Wherein: 1- processing table, 2- material belt support plate, 21- support roller, 3- welding seat, 31- limiting groove, 32- welding groove, 33- fixed plate, 4- pressing plate, 41- nitrogen gas containing groove, 42- positioning port, 5- positioning plate, 51- let hole, 52- nitrogen gas access head, 6- feeding assembly, 61- feeding seat, 611- feeding groove, 62- cover plate, 7- conveying assembly, 71- distributing piece, 72- air duct pressing plate, 8- nitrogen gas electromagnetic valve, 9- storage box. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all.

[0036] Embodiment 1:

[0037] An automatic welding device for strip with nitrogen protection, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , comprising a strip support mechanism for positioning and supporting the strip and conveying the strip, the strip support mechanism is connected with external feeding device and collecting device respectively, the strip passes through the strip support mechanism and is welded with rivet in the welding positioning mechanism; a welding positioning mechanism, the welding positioning mechanism is arranged above the strip support mechanism and connected with the strip support mechanism, three welding grooves 32 are arranged on the welding positioning mechanism, the welding positioning mechanism is used for welding the strip and rivet with external laser welding device; a rivet distribution mechanism, the rivet distribution mechanism is connected with the welding positioning mechanism, the rivet distribution mechanism is used for conveying rivet to the lower part of the strip, the rivet distribution mechanism is connected with external vibration disc, the rivet distribution mechanism is used for continuously supplying rivet, conveying rivet to the welding positioning mechanism; a nitrogen conveying mechanism, the nitrogen conveying mechanism is used for filling nitrogen into the welding groove 32 to protect the strip from oxidation reaction or overwelding during the welding process to avoid producing defective products; a processing table 1, the processing table 1 is used for arranging the strip support mechanism, the welding positioning mechanism, the rivet distribution mechanism and the nitrogen conveying mechanism;

[0038] The material belt supporting mechanism comprises a material belt supporting plate 2 and two groups of supporting rollers 21, the two groups of supporting rollers 21 are arranged at intervals, each group of supporting rollers 21 comprises two independent supporting rollers 21, the material belt is fed out from the external feeding device, passes through the supporting rollers 21, enters the welding positioning mechanism, and then is fed out from the other side of the welding positioning mechanism, passes through the supporting rollers 21 on the other side, and is fed into the external collecting device, the welding positioning mechanism is arranged between the two groups of supporting rollers 21, a processing table 1 is arranged below the material belt supporting plate 2, the material belt supporting plate 2 is arranged at intervals with the processing table 1, supporting columns are arranged at the bottom of the material belt supporting plate 2, the supporting columns keep a certain distance between the material belt supporting plate 2 and the processing table 1; the welding positioning mechanism comprises a welding seat 3, a pressing plate 4 and a positioning plate 5, the welding seat 3 is arranged on the material belt supporting plate 2, the pressing plate 4 is arranged on the welding seat 3, limit grooves 31 are arranged at both ends of the welding seat 3, the limit grooves 31 are used for limiting the material belt, the material belt enters between the welding seat 3 and the pressing plate 4 from the supporting rollers 21, the positioning openings 42 of the welding seat 3 limit the material belt left and right, and the material belt can smoothly enter the welding seat 3; three welding grooves 32 are arranged on the welding seat 3, the three welding grooves 32 are arranged protruding at the middle of the pressing plate 4 and are matched with the pressing plate 4, the positioning openings 42 are arranged on the pressing plate 4 and are located at the positions of the welding grooves 32, the positioning openings 42 are used for giving way to the protruding welding grooves 32, the positioning plate 5 is matched with the pressing plate 4, recesses are arranged on the pressing plate 4 at the positions of the positioning openings 42, and the positioning plate 5 is arranged in the recesses; the positioning plate 5 is correspondingly provided with giving-way holes 51 at the positions of the welding grooves 32, the giving-way holes 51 are used for giving way to the welding grooves 32, and the external laser welding equipment welds the material belt from the top of the welding grooves 32; three nitrogen inlet heads 52 are arranged on the positioning plate 5, the nitrogen inlet heads 52 are used for connecting the nitrogen conveying mechanism; the nitrogen inlet heads 52 are communicated with the welding grooves 32 after passing through the pressing plate 4 below, nitrogen accommodating grooves 41 are arranged below the nitrogen inlet heads 52 of the positioning plate 5 on the pressing plate 4, the nitrogen accommodating grooves 41 are communicated with the welding grooves 32, the nitrogen accommodating grooves 41 are rectangular groove structures, the nitrogen accommodating grooves 41 are simultaneously communicated with the three welding grooves 32, nitrogen entering the nitrogen accommodating grooves 41 can enter the three welding grooves 32 uniformly, and the nitrogen concentration in the three welding grooves 32 is ensured to be consistent.

[0039] Example 2

[0040] In this embodiment, the rivet distribution mechanism and the nitrogen conveying mechanism are further limited based on the above-mentioned embodiments, for example, Figure 1 and Figure 5As shown, the welding seat 3 is provided with a fixed plate 33, the fixed plate 33 is arranged parallel to the machining table 1, and the rivet dispensing mechanism is arranged on the fixed plate 33; the rivet dispensing mechanism comprises a feeding assembly 6 and a conveying assembly 7, and the feeding assembly 6 is connected with the conveying assembly 7; three feeding ports are arranged on the feeding assembly 6, the feeding assembly 6 is connected with an external vibration disc, the rivets are vibrated and distributed by the vibration disc to make the rivets uniformly enter the three feeding ports, and then the rivets are sent into the welding seat 3 by the dispensing assembly and connected with the material belt, and then laser welding is performed by an external laser welding device; the feeding assembly 6 comprises a feeding seat 61 and a cover plate 62, three feeding grooves 611 are arranged on the feeding seat 61, and the cover plate 62 is arranged on the feeding seat 61 to limit the rivets and prevent the rivets from falling out of the feeding grooves 611; the rivet dispensing mechanism comprises a dispensing piece 71 and an air channel pressing plate 724, three slides are arranged on the dispensing piece 71, a plurality of air channels are arranged on both sides of the slide, the air channels are connected with an external air pump, and the rivets are pushed into the welding groove 32 by the external gas in the slide and connected with the material belt; the nitrogen gas conveying mechanism comprises a storage box 9, a nitrogen gas bottle group and a nitrogen gas electromagnetic valve 8; the storage box 9 is located below the machining table 1, the nitrogen gas bottle group is arranged in the storage box 9, the nitrogen gas electromagnetic valve 8 is arranged on the machining table 1, the nitrogen gas electromagnetic valve 8 is connected with the welding positioning mechanism and the nitrogen gas bottle group through a nitrogen gas hose, a hose is inserted into each nitrogen gas inlet head 52, and the hoses are connected with the nitrogen gas electromagnetic valve 8 after being collected behind the welding positioning mechanism; the nitrogen gas electromagnetic valve 8 is connected with an external control host, and the control host is used to control the nitrogen gas output, so that the nitrogen gas is continuously and uniformly supplied into the nitrogen gas containing groove 41 of the pressing plate 4, and the nitrogen gas is uniformly and continuously supplied into the welding groove 32 for protective welding. The other parts of the embodiment are the same as those of the above-mentioned embodiment, and will not be described here.

[0041] Example 3:

[0042] The nitrogen protection strip automatic welding system comprises a strip support module, a welding positioning module, a rivet distribution module and a nitrogen delivery module.

[0043] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship when the product is usually placed, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present application.

[0044] In addition, the terms "horizontal", "vertical" and the like in the description of the present application do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that it is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0045] In the description of the present application, it also needs to be explained that, unless explicitly specified and limited, if the terms "set", "install", "connect", "connect" appear, they should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0046] The above is only the preferred embodiment of the present application, not any form of limitation on the present application, any simple modification, equivalent change of the above embodiment according to the technical essence of the present application falls within the protection scope of the present application.

Claims

1. An automated welding apparatus for a strip of material under a blanket of nitrogen gas, characterized by, The utility model provides a kind of laser welding device for rivet, including: Material belt support mechanism, the material belt support mechanism is used to position support and transport material belt to material belt; Welding positioning mechanism, the welding positioning mechanism is arranged on material belt support mechanism, at least one welding groove is provided on the welding positioning mechanism, the welding positioning mechanism is used to cooperate with external laser welding device and is welded to material belt and rivet; Rivet dispensing mechanism, the rivet dispensing mechanism is docked with welding positioning mechanism, and the rivet dispensing mechanism is used to deliver rivet to material belt below; Nitrogen delivery mechanism, the nitrogen delivery mechanism is used to fill nitrogen into welding groove to protect material belt during welding; Processing platform, the processing platform is used to set up material belt support mechanism, welding positioning mechanism, rivet dispensing mechanism and nitrogen delivery mechanism; The material belt support mechanism includes material belt support plate and two groups of support rollers, and the two groups of support rollers are arranged at intervals, the welding positioning mechanism is arranged between the two groups of support rollers, the material belt support plate is arranged below the processing platform, and the material belt support plate is arranged at intervals with the processing platform; The welding positioning mechanism includes welding seat, pressing plate and positioning plate, the welding seat is arranged on the material belt support plate, the pressing plate is located on the welding seat, the welding seat is provided with limiting groove, and the limiting groove is used to limit material belt;The middle part of the pressing plate is provided with positioning port, the welding seat is provided with a plurality of welding grooves, and the positioning port is arranged at the position of the welding groove; The positioning plate is arranged above the positioning port, and the positioning plate is provided with a plurality of accommodation holes corresponding to the positions of the welding grooves;At least one nitrogen inlet head is arranged on the positioning plate, and the nitrogen inlet head is used to connect the nitrogen delivery mechanism;The nitrogen inlet head is communicated with the welding groove below, and nitrogen enters the welding groove through the nitrogen inlet head; The rivet dispensing mechanism includes dispensing part and air channel pressing plate, a plurality of slideways are arranged on the dispensing part, air channels are arranged on both sides of the slideways, the air channels are connected with external air pump, and the rivet is pushed into the welding groove by external gas in the slideway to dock with the material belt.

2. The apparatus for automated welding of a strip with nitrogen protection according to claim 1, characterized in that The welding seat is provided with a fixed plate on one side, and the rivet dispensing mechanism is arranged on the fixed plate;The rivet dispensing mechanism includes feeding assembly and conveying assembly, and the feeding assembly is docked with the conveying assembly;A plurality of feeding ports are arranged on the feeding assembly, the feeding assembly is docked with external vibrating disc, the rivet is vibrated and distributed by the vibrating disc to uniformly enter the plurality of feeding ports, and the rivet is sent into the welding seat through the dispensing assembly to dock with the material belt, and laser welding is carried out through external laser welding device.

3. The apparatus of claim 1, wherein the nitrogen gas is supplied through the plurality of holes in the plurality of grooves. The feeding assembly includes feeding seat and cover plate, the feeding seat is provided with feeding groove, and the cover plate is arranged on the feeding seat to limit the rivet and prevent the rivet from falling out of the feeding groove.

4. The apparatus of claim 1, wherein the nitrogen gas is supplied through the plurality of holes in the plurality of grooves. 5 The nitrogen delivery mechanism includes storage box, nitrogen bottle group and nitrogen solenoid valve;The storage box is located below the processing platform, the nitrogen bottle group is arranged in the storage box, the nitrogen solenoid valve is arranged on the processing platform, the nitrogen solenoid valve is connected with the welding positioning mechanism and the nitrogen bottle group through nitrogen hose;The nitrogen solenoid valve is connected with external control host, and the control host is used to control the gas output of nitrogen.

5. An automated welding system with nitrogen protected feedstock tape, characterized by, The nitrogen-protected strip automated welding device comprises a strip support module, a welding positioning module, a rivet dispensing module, a nitrogen delivery module, and a mounting and fixing platform. The strip support module is used for positioning and supporting the strip and feeding the strip. The welding positioning module is used for cooperating with the strip support module and external welding equipment to weld the strip and the rivet. The rivet dispensing module is used for conveying the rivet to the lower part of the strip. The nitrogen delivery module is used for filling nitrogen into the welding positioning module to protect the strip during welding. The mounting and fixing platform is used for fixing the strip support module, the welding positioning module, the rivet dispensing module, and the nitrogen delivery module.

6. The automated belt welding system with nitrogen blanket as recited in claim 5, wherein, The rivet dispensing module comprises a conveying unit and a feeding unit, the conveying unit is arranged between the feeding unit and the welding positioning module, the rivet enters the welding positioning module through the conveying unit after entering the feeding unit from the external vibrating disc and is docked with the strip. The nitrogen delivery module comprises a nitrogen control unit, the nitrogen enters the welding positioning module under the control of the nitrogen control unit, and the strip is welded with the rivet under the protection of the nitrogen.

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