CN109940239B

CN109940239B - Transfer welding device, automatic welding system and welding method

Info

Publication number: CN109940239B
Application number: CN201910295899.7A
Authority: CN
Inventors: 雷水德; 曾庆礼; 高宜江; 杨洋; 杨烨尧
Original assignee: Suzhou Deruilian Automation Technology Co ltd
Current assignee: Suzhou Deruilian Automation Technology Co ltd
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-12-08
Anticipated expiration: 2039-04-12
Also published as: CN109940239A

Abstract

The embodiment of the invention discloses a transfer welding device, which comprises a carrying platform and a guide rail, wherein the carrying platform is arranged on the guide rail and can move along the length direction of the guide rail, the carrying platform comprises a platform body, a carrier plate assembly and a welding assembly, the carrier plate assembly is used for carrying and fixing a tile stack, the welding assembly is used for fixing a lead, the tile stack and the lead are welded when the carrying platform moves, during the moving process of the carrying platform, the tile stack and the lead are welded, on one hand, a manipulator for transferring the tile stack assembly is not required to be arranged, the arrangement of the manipulator is saved, on the other hand, the process of transferring the tile stack assembly once is saved, therefore, the time is greatly saved, the efficiency is improved, the damage to the laminated tiles or the laminated tile assemblies possibly caused in the transfer process is reduced, and the qualification rate and the quality of products are improved.

Description

Transfer welding device, automatic welding system and welding method

Technical Field

The invention relates to a welding device for solar cell strings, in particular to a transfer welding device for a laminated assembly.

Background

With the continuous development of new energy, products in the solar photovoltaic industry are continuously updated, the structural form of a conventional assembly cannot meet the market demand, and a tile-stacked assembly is produced at the same time and has higher performance and efficiency compared with the conventional assembly.

The production of shingling subassembly needs to weld a plurality of shingling tiles, the mode that adopts at present does, put a plurality of shingling tiles and lead wire on the welding bench through the manipulator, the shingling subassembly that will weld the completion is carried to the rear end by the machine tongs after the welding is accomplished and is detected, the shingling subassembly through the detection passes through manipulator translation to next process, need will shingling tiles or shingling subassembly to snatch many times through the manipulator in whole welding process, the process of transfer and release, make easily on the one hand and fold tiles or shingling subassembly and damage, on the other hand causes production efficiency low.

Disclosure of Invention

The invention provides a transfer welding device which is used for welding stacked tiles and leads in the process of transferring the stacked tiles so as to improve the production efficiency, reduce the processes of grabbing, transferring and releasing of a manipulator and reduce the damage of the stacked tiles and stacked tile components.

A transfer welding device comprises a carrying platform and a guide rail, wherein the carrying platform is arranged on the guide rail and can move along the length direction of the guide rail, the carrying platform comprises a platform body, a support plate assembly and a welding assembly, the support plate assembly is used for bearing and fixing a laminated tile, the welding assembly comprises a welding plate, a line pressing mechanism and a welding mechanism, the line pressing mechanism is used for fixing a lead, and the welding mechanism is used for welding the laminated tile and the lead when the carrying platform moves.

Furthermore, the support plate assembly comprises a support plate and a fixing device, wherein the fixing device comprises an adsorption hole and a negative pressure device which are arranged on the support plate and used for forming a negative pressure area on the support plate to fix the tile stacking plate.

Furthermore, the wire pressing mechanism is arranged on the welding plate and comprises a pressing foot, a pivot and an actuating device, the pressing foot is connected to the welding plate through the pivot in a rotating mode, the actuating device is connected with the pressing foot and used for driving the pressing foot to rotate around the axis of the pivot, the actuating device comprises an actuating rod, the pressing foot is connected to the actuating rod in a rotating mode, the pressing foot is provided with a plurality of first teeth, the actuating rod is provided with a plurality of second teeth, and the first teeth are meshed with the second teeth.

Furthermore, the welding plate is further provided with an accommodating groove for accommodating the presser foot, and when the presser foot is accommodated in the accommodating groove, the presser foot does not protrude out of the upper surface of the welding plate.

Furthermore, the carrier plate assembly has a plurality of, and each carrier plate assembly includes a plurality of layer boards, the stage body include the slide rail, welding plate movable setting on the slide rail.

The invention also provides an automatic welding system which comprises the transfer welding device, a welding flux spraying module and a brace module which are arranged at the upstream of the transfer welding device, a conveying module arranged at the downstream of the transfer welding device, and a plurality of mechanical arms arranged among the welding flux spraying module, the brace module, the transfer welding device and the conveying module.

Furthermore, the welding flux spraying module comprises a first conveying belt, a second conveying belt and a spraying device, the second conveying belt is arranged at the downstream of the first conveying belt, the first conveying belt comprises a first end and a second end, the second conveying belt comprises a third end and a fourth end, the third end of the second conveying belt is arranged adjacent to the second end of the first conveying belt, a gap area is arranged between the third end and the second end, and the spraying device is arranged at the gap area.

Furthermore, the spraying device comprises a first nozzle and a second nozzle, the first nozzle and the second nozzle are oppositely arranged at intervals, the first nozzle is positioned above the first conveying surface of the first conveying belt, the second nozzle is positioned below the first conveying surface of the first conveying belt, the spraying device further comprises a displacement device, the first nozzle and the second nozzle are arranged on the displacement device, and the displacement device is used for driving the first nozzle and the second nozzle to move along the direction perpendicular to the conveying direction of the first conveying belt.

Furthermore, the transfer welding devices are provided with at least two groups, and the carrying platforms of the at least two groups of transfer welding devices move alternately.

The invention also provides a welding method applying the transfer welding device, which comprises the steps of providing the transfer welding device, placing the stacked tiles on the supporting plate and placing the lead on the welding plate, moving the carrier along the length direction of the guide rail, and welding the stacked tiles and the lead in the moving process of the carrier.

Has the advantages that: the embodiment of the invention discloses a transfer welding device, which comprises a carrying platform and a guide rail, wherein the carrying platform is arranged on the guide rail and can move along the length direction of the guide rail, the carrying platform comprises a platform body, a carrier plate assembly and a welding assembly, the carrier plate assembly is used for carrying and fixing a tile stack, the welding assembly is used for fixing a lead, the tile stack and the lead are welded when the carrying platform moves, during the moving process of the carrying platform, the tile stack and the lead are welded, on one hand, a manipulator for transferring the tile stack assembly is not required to be arranged, the arrangement of the manipulator is saved, on the other hand, the process of transferring the tile stack assembly once is saved, therefore, the time is greatly saved, the efficiency is improved, the damage to the laminated tiles or the laminated tile assemblies possibly caused in the transfer process is reduced, and the qualification rate and the quality of products are improved.

Drawings

FIG. 1 is a schematic perspective view of an automated welding system according to an embodiment of the present invention;

FIG. 2a is a top view of FIG. 1;

FIG. 2b is a left side view of FIG. 1;

FIG. 3 is an enlarged view of area A in FIG. 2 a;

FIG. 4 is an enlarged view of area B in FIG. 3;

FIG. 5 is a schematic perspective view of region B in FIG. 3;

FIG. 6a is a schematic view of a wire pressing mechanism in the present embodiment;

FIG. 6b is a schematic cross-sectional view taken along line D-D in FIG. 6 a;

FIG. 7a is a schematic view of another embodiment of a wire pressing mechanism;

FIG. 7b is a schematic cross-sectional view taken at E-E in FIG. 7 a.

Description of reference numerals:

rack 10

Flux spray module 11

Spray coating device 111

First nozzle 1111

Second nozzle 1112

First conveyor belt 112

The second conveyor belt 113

Interstitial regions 114

Displacement device 115

Transfer welding device 12

Carrying platform 121

Desk body 1210

Carrier assembly 1211

Splint 12110

Adsorption holes 12111

Welding assembly 1212

Welding

plate

12120, 22120

Pressure foot

12121, 22121

Coil 12122

Actuating lever

12123,22123

Pivot

12124,22124

The line pressing

portions

12125, 22125

Connecting

portion

12126, 22126

Wire pressing ends

12127, 22127

Through slot 12128

Accommodating groove 22128

First tooth 22129

Second tooth 22130

Guide rail 122

First manipulator 13

Riblet module 14

Second robot 15

Third manipulator 16

EL detection module 17

Delivery module 18

Tile stack 20

And a lead 21.

Detailed Description

The present invention will be described in detail with reference to examples.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in the description and claims of the present disclosure do not denote any order, quantity, or mechanical connection, but rather denote the presence of at least one. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "up", "down", "left", "right", and the like are used only to indicate relative positional relationships, and when the absolute position of the object to be described is changed, the relative positional relationship is also changed accordingly.

Referring to fig. 3-5, fig. 3 shows a top view of a transfer welding device 12 according to an embodiment of the present invention, fig. 4 shows a partially enlarged schematic view of the transfer welding device 12, and fig. 5 shows a perspective view of the position of fig. 4, where the transfer welding device 12 is generally disposed on an automatic welding system for welding a tile stack 20 and a lead 21 to form a tile stack assembly.

The transfer welding device 12 comprises a guide rail 122 and a carrier 121, the guide rail 122 is usually arranged on the frame 10 of the automatic welding system, the guide rail 122 is long and includes a length direction, and the carrier 121 is movably arranged on the guide rail 122 and can move along the length direction of the guide rail 122.

The carrier 121 further includes a driving device for driving the carrier 121 to move along the length direction of the guide rail 122, and the driving device includes a roller (not shown) and a power device (not shown) connected to the roller, and the roller is driven by the power device to move along the length direction of the guide rail 122.

In another embodiment, the guide rail 122 may be a lead screw, and the stage 121 includes a nut matched with the lead screw, and the stage 121 is moved along the length direction of the lead screw by rotating the lead screw.

The carrier 121 includes a table body 1210, and a carrier plate assembly 1211 and a welding assembly 1212 that are disposed on the table body 1210, where the carrier plate assembly 1211 includes at least one supporting plate 12110, the supporting plate 12110 is disposed on the table body 1210, and the supporting plate 12110 includes an upper surface for laying the tile stack 20 on the upper surface of the supporting plate 12110, and it can be understood that the upper surface of the supporting plate 12110 is parallel to a horizontal plane, so that the tile stack 20 can be stably laid on the upper surface of the supporting plate 12110.

Further, the carrier plate assembly 1211 further includes a fixing device for fixing the tile stack 20 laid on the upper surface of the carrier plate 12110, so as to facilitate welding the tile stack 20 and the lead 21, and prevent the tile stack 20 from being displaced during the movement of the carrier 121, which may damage the tile stack 20 or cause poor welding.

Further, the fixing device includes an absorption hole 12111 disposed on the supporting plate 12110 and a negative pressure device (not shown) connected to the absorption hole 12111 for forming a negative pressure region on the upper surface of the supporting plate 12110, and fixing the stack of tiles 20 on the supporting plate 12110 under the action of the negative pressure when the stack of tiles 20 is laid on the upper surface of the supporting plate 12110.

Further, in order to adapt to the laminated tiles 20 with different specifications, and prevent the laminated tiles 20 from being damaged due to excessive negative pressure or prevent the laminated tiles 20 from being unexpectedly displaced during the movement of the carrier 121 due to too small negative pressure, a negative pressure adjusting device is further arranged between the suction hole 12111 and the negative pressure device.

It is understood that the negative pressure device may be a vacuum pump, and the negative pressure adjusting device may be a valve or a vacuum pump adjusting device.

Further, the adsorption holes 12111 are arranged in an array on the carrier plate.

It will be appreciated that the securing means may be other means, such as a press and hold device.

The soldering assembly 1212 is disposed adjacent to the carrier plate 1211 and is used for fixing the lead 21 and soldering the stack of tiles 20 and the lead 21, and the soldering assembly 1212 includes a soldering board 12120, a wire pressing mechanism and a soldering mechanism.

The soldering plate 12120 is disposed on one side of the support plate 12110 and abuts against the support plate 12110 to support the stack of tiles 20, and it will be appreciated that the soldering plate 12120 includes an upper surface, and the upper surface of the soldering plate 12120 is flush with the upper surface of the support plate 12110.

The wire pressing mechanism is disposed on the soldering board 12120 for fixing the lead 21, please refer to fig. 6a and fig. 6b together, fig. 6a shows a schematic diagram of the soldering board 12120 and the wire pressing mechanism in a first embodiment of the present invention, fig. 6b shows a schematic cross-sectional diagram at D-D in fig. 6a, the wire pressing mechanism includes a pressing foot 12121, a pivot 12124 and an actuating device, the pressing foot 12121 includes a pressing portion 12125 and a connecting portion 12126, the pressing portion 12125 is substantially in an inverted U shape and includes two ends spaced apart from each other, one end of the pressing portion is a pressing end 12127, the other end of the pressing portion is connected to the connecting portion 12126, in this embodiment, the connecting portion 12126 is substantially in a rod shape, the connecting portion 12126 is rotatably connected to the soldering board 12120 via a pivot 12124, and an end of the connecting portion 12126 away from the pressing portion 12125 is rotatably connected to the actuating device, and when the actuating device moves, the pressing portion 12125 is rotated around 12124 axis, thereby causing the pressing portion 12125 and the pressing end 12127 of the pressing portion 12125 to rotate together, the pressing end 12127 abutting against the lead 21 and holding the lead 21 against the upper surface of the bonding pad 12120 when the pressing end 12127 is moved in a direction toward the upper surface of the bonding pad 12120 with the lead 21 placed on the bonding pad 12120, and the pressing end 12127 being separated from the upper surface of the bonding pad 12120 when the pressing end 12127 is moved in a direction away from the upper surface of the bonding pad 12120, thereby allowing the lead 21 to be placed in a gap between the pressing end 12127 and the upper surface of the bonding pad 12120 or allowing the stacked-tile assembly to be detached from the upper surface of the bonding pad 12120.

Furthermore, the welding plate 12120 is provided with a through groove 12128, and the connecting portion 12126 is inserted into the through groove 12128.

Further, there are a plurality of pressure feet 12121, the actuating device includes an actuating rod 12123, the plurality of pressure feet 12121 are connected to the actuating rod 12123, and the plurality of pressure feet 12121 move synchronously when the actuating rod 12123 moves.

Preferably, the actuating device is a cylinder, and the actuating rod 12123 is a piston. Of course, in other embodiments, the actuating device may be a hydraulic cylinder, a linear motor, an electromagnet, or the like.

Further, referring to fig. 7a and 7b, fig. 7a shows a schematic view of a bonding pad 22120 and a wire pressing mechanism in a second embodiment of the invention, fig. 7b shows a schematic view of a section E-E in fig. 7a, in the second embodiment, the connecting portion 22126 is substantially fan-shaped, wherein the fan-shaped end surface is provided with a plurality of first teeth 22129, the actuating device comprises an actuating rod 22123, the actuating rod 22123 comprises a plurality of second teeth 22130, wherein the second teeth 22130 are engaged with the first teeth 22129, when the actuating rod 22123 moves, the connecting portion 22126 rotates around the axis 22124 of the pivot 22124, so that the wire pressing end 22127 moves towards the upper surface of the bonding pad 22120 or away from the upper surface of the bonding pad 22120, it can be understood that, in the embodiment, when a wire is provided on the bonding pad 22120, the actuating rod 22123 drives the pressing pin 22121 to rotate around the axis 22124 of the pivot 22124 counterclockwise, so that the pressing end 22127 abuts against the wire and presses the wire against the upper surface 22120, when the actuator bar 22123 is moved in the opposite direction, the actuator foot 22121 is pivoted in a clockwise direction about the pivot 22124 axis, and the crimping end 22127 releases the hold on the wire or allows the crimping end 22127 to form a gap with the upper surface of the weld plate 22120.

Further, the welding plate 22120 is further provided with a receiving groove 22128 for receiving the pressing line portion 22125, specifically, the receiving groove 22128 is disposed on the welding plate 22120 on the side away from the pressing line end 22127, when the pressing line portion 22125 is driven by the actuating device to rotate and rotates towards the direction that the pressing line end 22127 is far away from the upper surface of the welding plate 22120, the pressing line portion 22125 is received in the receiving groove 22128, so that the pressing foot 22121 does not protrude from the upper surface of the welding plate 22120, thereby adapting to welding of more various laminated tile assemblies.

It will be appreciated that the shape, size and depth of the opening of the receiving slot 22128 is matched to the shape and size of the presser foot 22121, so that the presser foot 22121 can be fully received in the receiving slot 22128.

The welding assembly 1212 further includes a welding mechanism for welding the tile stack 20 and the lead 21, the welding assembly 1212 is an electromagnetic induction welding device, and specifically, the welding assembly 1212 includes a coil 12122 and a power module (not shown) connected to the coil 12122, the coil 12122 is disposed on an upper surface of the welding plate 12120 and surrounds the periphery of the wire pressing mechanism, and when the tile stack 20 and the lead 21 are placed on the support plate and the welding plate 12120, the coil 12122 generates a high-frequency eddy current under the action of the power module to heat and weld the tile stack 20 and the lead 21 at the welding position.

It is understood that the coil 12122 and the power module can be arranged according to actual requirements, and are not described herein again.

Further, the welding assembly 1212 further includes a preheating mechanism for preheating the stack of tiles 20 and the lead 21 at the welding position, so as to improve the welding efficiency and quality, the preheating mechanism includes a heater, the heater may be an electric heating element, the electric heating element may be a heating wire, a PTC heater, or a heating oil pipe.

Further, the preheating mechanism is disposed on the welding plate 12120, specifically, the welding plate 12120 includes an accommodating space, and the preheating mechanism is disposed in the accommodating space to heat the welding plate 12120, thereby realizing preheating.

Preferably, the heating temperature of the preheating mechanism is 170 ℃.

Further, the preheating mechanism further comprises a temperature sensor and a controller, so that the preheating temperature is controlled to be stable at 170 ℃.

Furthermore, there are a plurality of welding assemblies 1212, a plurality of carrier plate assemblies 1211, and the plurality of welding assemblies 1212 and the plurality of carrier plate assemblies 1211 are alternately arranged in sequence, that is, the welding assemblies 1212 are respectively arranged on both sides of the carrier plate assembly 1211, so that a plurality of positions to be welded can be conveniently welded without moving the tile stack 20 and the lead 21, and in addition, the tile stack assemblies of different specifications can be welded.

Further, in order to adapt to the welding of more laminated tile assemblies with different lengths or different specifications, each carrier plate assembly 1211 comprises a plurality of carrier plates 12110, each carrier plate 12110 comprises a first side and a second side which are arranged at intervals, the plurality of carrier plates 12110 are laid in sequence, the sequence means that the second side of an adjacent subsequent carrier plate 12110 abuts against the first side of an adjacent previous carrier plate 12110, when the length of the carrier plate assembly 1211 needs to be changed to adapt to different laminated tiles 20, one or more carrier plates 12110 can be replaced, so that the specification change is realized more easily, and the adaptation range is wider.

Further, the welding plates 12120 are movably disposed on the table body 1210, and when the specifications of the supporting plate 12110 are changed, the welding plates 12120 are moved such that the welding plates 12120 still maintain the abutting contact with the supporting plate 12110, thereby enabling the supporting plate 12110 and the welding plates 12120 to maintain the stacked tiles 20.

Further, the platform body 1210 includes a slide rail, the slide rail includes a length direction, the welding plate 12120 is movably disposed on the slide rail, when the specification of the supporting plate 12110 is changed, the welding plate 12120 is moved in a direction close to the supporting plate 12110 along the length direction of the slide rail under an external force to abut against the supporting plate 12110, of course, when the supporting plate 12110 of different specifications needs to be replaced, only the welding plate 12120 needs to be moved in a direction away from the supporting plate 12110, so that the supporting plate 12110 is easily removed, it can be understood that the welding plate 12120 and the supporting plate 12110 are further provided with fastening devices for fixing the welding plate 12120 and the supporting plate 12110 on the platform body 1210 to prevent the welding plate 12120 and the supporting plate 12110 from moving unexpectedly, and the fastening devices may be bolts, buckles, and the like.

Further, the stage body 1210 further includes a frame, the frame encloses a receiving space, the slide rail is disposed on the frame, the power module is disposed in the receiving space, and other devices, such as a power device, a negative pressure adjusting device, etc., may be disposed in the receiving space, so as to save the space for transferring the welding device 12 and facilitate the setting of the automatic welding system.

It will be appreciated that when the stack of tiles 20 is laid on the carrier plate 12110, the leads 21 are placed on the bonding plates 12120, and during movement of the carrier 121 along the rails 122, the welding mechanism can weld the laminated tile 20 and the lead 21 at the same time, on one hand, a manipulator for transferring the laminated tile assembly is not required to be arranged, thereby saving the arrangement of the mechanical arm, on the other hand, welding is carried out simultaneously in the transferring process, the process of transferring the tile-stacking assembly can be saved, thereby greatly saving time and improving efficiency, the welding efficiency of the transfer welding device 12 is improved by more than 25 percent, in a specific embodiment, the welding efficiency is improved from 30000pcs/h to 40000pcs/h, and in addition, because one transfer process is saved, thereby further reducing the damage to the shingle 20 or the shingle assembly that may be caused during the transfer process and improving the yield and quality of the product.

Further, referring to fig. 1 and fig. 2, the present invention also provides an automatic welding system for automatically welding a stack of tiles, the automatic welding system further includes a flux spraying module 11 and a bracing module 14 disposed upstream of the transfer welding device 12, a conveying module 18 disposed downstream of the transfer welding device 12, and a plurality of robots disposed between the flux spraying module, the bracing module 14, the transfer welding device 12, and the conveying module 18.

The flux spraying module 11 is used for spraying flux on the preset position of the laminated tile 20, so that the laminated tile 20 and the lead 21 are welded.

The flux spraying module comprises a first conveyer belt 112, a second conveyer belt 113 and a spraying device 111, the second conveyer belt 113 is arranged at the downstream of the first conveyer belt 112, the first conveyer belt 112 comprises a first conveying surface, the second conveyer belt 113 comprises a second conveying surface, the conveying directions of the first conveyer belt 112 and the second conveyer belt 113 are the same, the first conveying surface is flush with the second conveying surface so that the tile stack 20 can be transferred from the first conveyer belt 112 to the second conveyer belt 113, the first conveyer belt 112 comprises a first end and a second end, the second conveyer belt 113 comprises a third end and a fourth end, the third end of the second conveyer belt 113 is arranged adjacent to the second end of the first conveyer belt 112, a gap region 114 is arranged between the third end and the second end, the spraying device 111 is arranged in the gap region 114 and is used for spraying flux on the predetermined position of the tile stack 20, it will be appreciated that the predetermined position is an end face of the stack of tiles 20.

Specifically, the tile stack 20 includes a front end facing the second end of the first conveyor 112 and a rear end facing the first conveyor 112, when the tile stack 20 is placed on the first conveyor 112, the first conveyor 112 conveys the tile stack 20 in a downstream direction, and when the front end of the tile stack 20 is close to the spraying device 111, the spraying device 111 can spray the front end of the tile stack 20 with the flux, and when the tile stack 20 is transferred to the second conveyor 113, the rear end of the tile stack 20 moves toward the second conveyor 113, and when the rear end of the tile stack 20 is close to the spraying device 111, the spraying device 111 sprays the flux on the rear end of the tile stack 20.

Further, the spraying device 111 includes a first nozzle 1111 and a second nozzle 1112, the first nozzle 1111 and the second nozzle 1112 are oppositely disposed at an interval, the relative disposition means that the spraying directions of the first nozzle 1111 and the second nozzle 1112 are opposite and are facing to each other, specifically, the first nozzle 1111 is located above the first conveying surface of the first conveying belt 112, the spraying direction is facing to the first conveying surface, the second nozzle 1112 is located below the first conveying surface of the first conveying belt 112, and the spraying direction is facing to the first conveying surface, so that the first nozzle 1111 and the second nozzle 1112 can spray the flux on both upper and lower surfaces of the front end or the rear end of the tile 20 stacked in opposite directions.

Further, the spraying device 111 further comprises a displacement device 115, the first nozzle 1111 and the second nozzle 1112 are disposed on the displacement device 115, and the displacement device 115 is used for driving the first nozzle 1111 and the second nozzle 1112 to move along a direction perpendicular to the conveying direction of the first conveyor belt 112, so that the first nozzle 1111 and the second nozzle 1112 can spray the flux on the end surfaces of the overlapping tiles 20 along the width direction of the overlapping tiles. More specifically, when the front end of the tile stack 20 moves to a predetermined position under the conveyance of the first conveying device, the displacement device 115 moves in a direction parallel to the width direction of the tile stack 20, and the first nozzle 1111 and the second nozzle 1112 spray the front end of the tile stack 20 with the flux at the same time, and similarly, when the rear end of the tile stack 20 moves to a predetermined position, the displacement device 115 moves in a direction parallel to the width direction of the tile stack 20, and the first nozzle 1111 and the second nozzle 1112 spray the front end of the tile stack 20 with the flux at the same time, so that the upper and lower surfaces of the front end and the rear end of the tile stack 20 in the entire width direction can be effectively sprayed with the flux.

The displacement device 115 may be a screw nut device, a linear motor, an electromagnet, an air cylinder, a hydraulic cylinder, or other linear motion devices, and may also be set according to actual needs, which is not described herein again.

Furthermore, there are two groups of the spraying devices 111, the two groups of the spraying devices 111 are respectively disposed at two ends of the second conveyor belt 113, and when the laminated tile 20 is supported by the second conveyor belt and the front end and the rear end of the laminated tile move to the vicinity of the two groups of the spraying devices 111, the two groups of the spraying devices 111 respectively spray the welding flux on the front end and the rear end of the laminated tile 20, thereby further improving the spraying efficiency.

The riblet module 14 is used for forming the leads 21 with a preset shape, the riblet module 14 comprises a riblet device, and the riblet device can be various riblet devices in the prior art, and the details are not repeated.

The transport module 18 is used to transport the stack welded by the transfer welding device 12 downstream for further processing, such as packaging. The conveying module 18 includes a conveying device, which is a belt conveying device, but other conveying devices, such as a flat conveying device, may also be adopted according to actual needs.

The plurality of robots include a first robot 13 disposed between the flux coating module 11 and the transfer welding device 12 for transferring the stack 20 coated with the flux by the coating device 111 onto the pallet 12110, a second robot 15 disposed between the bar module 14 and the transfer welding device 12 for transferring the lead 21 formed by the bar device onto the bonding board 12120, and a third robot 16 disposed between the transfer welding device 12 and the transport module 18 for transferring the stack assembly welded by the transfer welding device 12 onto the transport device.

The manipulator comprises a displacement assembly and a sucker assembly arranged on the displacement assembly, the sucker assembly comprises a sucker frame and a plurality of suckers arranged on the sucker frame and is used for grabbing or releasing the tile stack 20 or the lead 21 or the tile stack assembly at a preset position, the displacement assembly comprises a two-axis or three-axis displacement device 115, so that the displacement assembly can move along two axes or three axes, the displacement assembly drives the sucker assembly to move to the preset position, the two-axis or three-axis displacement device 115 can be arranged according to actual needs, and the description is omitted.

Further, the automatic welding system further includes a restoring module disposed upstream of the transfer welding device 12, for restoring the stack of tiles 20 when the stack of tiles 20 is picked from the flux spraying module 11 by the first robot 13 and transferred onto the support plate 12110, so that the transfer welding device 12 is in a predetermined position when the stack of tiles 20 is welded to the lead 21.

In this embodiment, the righting module includes an image obtaining device, a predetermined mark and a controller, the image obtaining device is configured to obtain image information between the tile stack 20 and the predetermined mark, and the controller compares the image of the tile stack 20 with the predetermined mark, obtains an adjustment distance that needs to be adjusted for the tile stack 20, and displaces the first manipulator 13 by the adjustment distance, so that the tile stack 20 is located at the predetermined position.

Further, the image acquisition device is a CCD camera.

Further, the automatic welding system further comprises an EL detection module 17 disposed downstream of the transfer welding device 12, and configured to perform EL detection on the welded stack assembly.

Further, the automatic welding system includes at least two sets of the transfer welding devices 12, and the carriers 121 of the two sets of the transfer welding devices 12 move alternately, that is, when the carrier 121 of one set of the transfer welding devices 12 moves from the position adjacent to the solder coating module 11 to the position adjacent to the conveying module 18 along the length direction of the guide rail 122 and welds the stacked tiles 20 and the lead 21 placed on the carrier 121, the carrier 121 of the other set of the transfer welding devices 12 is in an empty state and moves from the position adjacent to the conveying module 18 to the position adjacent to the solder coating module 11, it can be understood that when the stacked tiles 20 and the lead 21 are placed on the carrier 121 of one of the transfer welding devices 12, the stacked tiles are taken off from the carrier 121 of the other transfer welding device 12, thereby further improving the efficiency of the automatic welding system.

Further, the present invention also provides a welding method using the transfer welding device 12, including providing the transfer welding device 12, placing the stack of tiles 20 on the supporting plate 12110 and placing the leads 21 on the welding plate 12120, moving the stage 121 of the transfer welding device 12 along the length direction of the guide rail 122, and welding the stack of tiles 20 and the leads 21 during the movement of the stage 121.

Further, when a flux spraying device 111 is further provided upstream of the transfer-welding device 12 and a first robot 13 is further provided between the flux spraying module 11 and the transfer-welding device 12, the steps of spraying flux on the stack of tiles 20 and transferring the stack of tiles 20, on which the flux is sprayed, to the pallet 12110 of the transfer-welding device 12 are further included.

Further, when a reforming module is further provided upstream of the transfer welding device 12, a step of reforming the stack of tiles 20 is also included.

Further, when the EL detection module 17 is further provided downstream of the transfer welding device 12, the method further includes a step of performing EL detection on the laminated assembly.

Further, when a conveying module 18 is further disposed downstream of the transfer welding device 12 and a third manipulator 16 is further disposed between the conveying module 18 and the transfer welding device 12, the steps of transferring the stack components on the transfer welding device 12 to the EL detection module 17 by the third manipulator 16 and transferring the stack components qualified by the EL detection to the conveying module 18 are also included, and it can be understood that the third manipulator 16 can also transfer the stack components unqualified by the EL detection to other predetermined areas, such as an unqualified area, a repair area, and the like.

Further, there are two sets of the transfer welding devices 12, and the stages 121 of the two sets of the transfer welding devices 12 move alternately.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A transfer welding device is used for welding stacked tiles and a lead and is characterized by comprising a carrier and a guide rail, wherein the carrier is arranged on the guide rail and can move along the length direction of the guide rail, the carrier comprises a table body, a carrier plate assembly and a welding assembly, the carrier plate assembly is used for bearing and fixing the stacked tiles, the welding assembly comprises a welding plate, a wire pressing mechanism and a welding mechanism, the wire pressing mechanism is used for fixing the lead, the welding mechanism is used for welding the stacked tiles and the lead when the carrier moves, the carrier plate assembly comprises a supporting plate and a fixing device, and the fixing device comprises an adsorption hole and a negative pressure device which are arranged on the supporting plate and used for forming a negative pressure area on the supporting plate to fix the stacked tiles; the wire pressing mechanism is arranged on the welding plate and comprises a pressing foot, a pivot and an actuating device, the pressing foot is connected to the welding plate through the pivot in a rotating mode, the actuating device is connected with the pressing foot and used for driving the pressing foot to rotate around the axis of the pivot, the actuating device comprises an actuating rod, the pressing foot is connected to the actuating rod in a rotating mode, the pressing foot is provided with a plurality of first teeth, the actuating rod is provided with a plurality of second teeth, and the first teeth are meshed with the second teeth; the welding plate is also provided with an accommodating groove for accommodating the presser foot, and when the presser foot is accommodated in the accommodating groove, the presser foot does not protrude out of the upper surface of the welding plate; the carrier plate assembly has a plurality of, and each carrier plate assembly include a plurality of layer boards, the stage body include the slide rail, the welding plate activity setting on the slide rail.

2. An automated welding system comprising the transfer welding apparatus of claim 1, and a flux spray module, a bracing module, a transfer module disposed downstream of the transfer welding apparatus, and a plurality of robots disposed between the flux spray module, the bracing module, the transfer welding apparatus, and the transfer module, the flux spray module comprising a first conveyor belt, a second conveyor belt, and a spray apparatus, the second conveyor belt disposed downstream of the first conveyor belt, the first conveyor belt comprising a first end and a second end, the second conveyor belt comprising a third end and a fourth end, the third end of the second conveyor belt disposed adjacent the second end of the first conveyor belt and comprising a gap region therebetween, the spray apparatus disposed in the gap region, the spray apparatus comprising a first nozzle and a second nozzle, the spraying device comprises a first nozzle, a second nozzle, a displacement device and at least two shifting welding devices, wherein the first nozzle and the second nozzle are oppositely arranged at intervals, the first nozzle is positioned above the first conveying surface of the first conveying belt, the second nozzle is positioned below the first conveying surface of the first conveying belt, the first nozzle and the second nozzle are arranged on the displacement device, the displacement device is used for driving the first nozzle and the second nozzle to move along the direction vertical to the conveying direction of the first conveying belt, the shifting welding devices are at least two groups, and at least two groups of carrying platforms of the shifting welding devices move alternately.

3. A bonding method using a transfer welding apparatus according to claim 1, comprising the transfer welding apparatus according to claim 1, and placing a stack of tiles on a pallet and a lead wire on a bonding board, the stage moving along the length direction of the guide rail, and bonding the stack of tiles and the lead wire during the movement of the stage.