CN110299433A - A kind of full-automatic stitch welding machine - Google Patents

Abstract

The invention relates to a fully automatic stitching welding machine, which includes a frame body, a transmission unit, an insulating strip grabbing unit, a manipulator unit, a gravity tension wheel assembly, a lifting and sorting unit, a head bus bar pulling unit, and a tail bus bar Pulling unit, head grabbing unit, tail grabbing unit, two head and tail tray units, middle tray translation mechanism, head welding unit, tail welding unit and middle welding unit. The invention can realize the automatic welding of the stacking process of the photovoltaic battery module, and can be applied to 72-piece and 60-piece conventional modules, double-glass modules, and half-chip modules.

Description

A fully automatic stitch welding machine

technical field

The invention relates to a fully automatic stitch welding machine.

Background technique

As a new type of green energy, solar energy has been widely used in all walks of life, which not only provides great convenience for people's work and life, but also creates benefits for enterprises. In the production of solar cell modules, it is necessary to arrange and connect multiple battery strings together to form a battery module with independent functions, and welding methods are required in the process of connecting battery strings. The original welding method is basically manual welding, and the welding efficiency and quality are difficult to meet the requirements, which has restricted the development of production automation for a long time. How to realize unmanned and fully automated battery string welding has always been a problem to be solved by those skilled in the art.

The information disclosed in the Background of the Invention section is only intended to deepen the understanding of the general background of the present invention, and should not be considered as an acknowledgment or any form of suggestion that the information constitutes prior art known to those skilled in the art.

Contents of the invention

The purpose of the present invention is to provide a fully automatic stitching welding machine to realize the automatic welding of the stacking process of photovoltaic cell modules, and can be applied to 72-piece and 60-piece conventional modules, double-glass modules, and half-cell modules.

The purpose of the present invention is achieved through the following technical solutions:

A fully automatic stitch welding machine, comprising: a frame body, the frame body is provided with a middle and lower platform, and a support gantry for providing installation positions and moving tracks for other units is fixed on the middle and lower platform; a transmission unit, which is fixed On the middle and lower platform of the frame body, the transmission unit drives the synchronous belt to transmit the battery assembly through the motor; the insulating strip grabbing unit is fixed on the head of the supporting gantry for pulling and cutting into rolls Insulation strip; manipulator unit, which is fixed on the top of the head of the frame body, for grabbing and moving the cut insulation strip; gravity tension wheel assembly, which is fixed on the column of the frame body, for pulling Tighten and straighten the bus bar; lift the sheet sorting unit, which is fixed on the support gantry, for the precise positioning of the battery string position and the lifting of the battery string; the head bus bar pulling unit and the tail bus bar pulling unit, It installs the head and tail of the middle and lower platform of the frame body respectively, so as to be used for pulling, cutting and positioning the bus bars at the head and tail respectively; the head grabbing unit and the tail grabbing unit, which Installed on the head and tail of the longitudinal slide rails supporting the gantry respectively, to grab and carry the bus bars prepared by the head bus bar pulling unit and the tail bus bar pulling unit respectively; two head and tail tray units , which are respectively installed on the head and tail of the middle and lower platform of the frame body through slide rails, so as to support the glass plate of the battery pack and provide a working platform for the welding of the bus bars at the head and tail; the middle tray translates a mechanism mounted on the longitudinal slide rails of said supporting gantry for moving the bus bar prepared at the tail of the supporting gantry to the middle of the supporting gantry and providing a working platform for bus bar welding in the middle; and head welding Unit, tail welding unit and middle welding unit, which are respectively installed on the head, tail and middle of the support gantry for welding of the bus bars at the head, tail and middle, the head welding unit, the The tail welding unit and the middle welding unit move through the longitudinal slide rails of the supporting gantry.

Preferably, the insulating strip grabbing unit includes a wide insulating strip placing wheel mechanism, a placing wheel mounting vertical plate, a narrow insulating strip placing wheel mechanism, an insulating strip cutting mechanism, a supporting plate, a first bottom plate, a clamping jaw mechanism and a pressing mechanism; The mounting vertical plate of the placing wheel is fixed on the first bottom plate, the wide insulating strip placing wheel mechanism and the narrow insulating strip placing wheel mechanism are installed on the placing wheel installing vertical plate, and the pressing mechanism is also installed ; The insulating strip cutting mechanism is installed on the first end of the first bottom plate for cutting the insulating strip; control, so that it can move to the required position; the jaw mechanism is installed together with the horizontally installed synchronous belt transmission mechanism and the slider slide rail mechanism, and the synchronous belt transmission mechanism can move the jaw mechanism along the slide rail under the drive of the motor Move to the specified location.

Preferably, the lifting and sorting unit includes a main lifting mechanism, a main sorting mechanism, a suction cup assembly and a driver; the main lifting mechanism is configured to drive the battery string to move in the vertical direction; the main sorting mechanism is arranged on the main lifting mechanism Below, the main finishing mechanism is configured to drive the battery strings to move in the horizontal direction and to be able to drive the battery strings to rotate; the suction cup assembly is arranged below the main finishing mechanism, and the suction cup assembly includes a suction cup and a suction cup mounting plate. Installed on the lower part of the suction cup mounting plate, the suction cup mounting plate is located below the main finishing mechanism, the suction cup assembly is configured to suck battery strings; the driver is configured to control the main lifting mechanism, the main finishing mechanism and the operation of the suction cup assembly described above.

Preferably, the main lifting mechanism includes a lifting module and a mounting plate of a sorting platform, the lifting module is installed on the beam, and the lifting module includes a slide table capable of moving in the vertical direction, and the slide table is The connecting plate of the module sliding table is connected to drive the connecting plate of the module sliding table to move in the vertical direction. Both of the module installation vertical plates are connected to the mounting plate of the sorting platform, the mounting plate of the sorting platform is connected to the main sorting mechanism located below it, and the main sorting mechanism is connected to the suction cup assembly , so as to drive the suction cup assembly to move in the vertical direction.

Preferably, the main finishing mechanism includes an X-axis movement module, a Y-axis movement module and a rotary motor, the X-axis movement module is arranged above the Y-axis movement module, and the rotation motor is arranged on the Y-axis movement module Below, the rotary motor is connected to the suction cup assembly through a connecting plate, so that the battery strings adsorbed on the suction cup assembly are driven on the X-axis through the X-axis motion module, the Y-axis motion module and the rotary motor. Direction and Y-axis direction movement and Z-axis rotation.

Preferably, the head bus bar pulling unit includes a short bus bar pulling steering mechanism, a bus bar straightening mechanism, a long bus bar clamping mechanism, a long bus bar suction mechanism, a short bus bar suction mechanism, and a bus bar welding mechanism and a first translation module; the short bus bar pulling steering mechanism is mounted on the first end of the second bottom plate, the short bus bar pulling steering mechanism is configured to cut a short bus bar and rotate the short bus bar 90 degrees make the short bus bar and the long bus bar perpendicular to each other; the bus bar straightening mechanism is installed on the second end of the second bottom plate, and the bus bar straightening mechanism is configured to straighten the bus bar and Brush flux on the top to prepare for the subsequent process; a slide rail and a synchronous transmission mechanism are arranged between the short bus bar pulling steering mechanism and the bus bar straightening mechanism, and the long bus bar clamping mechanism passes through the slider Installed on the slide rail; the first translation module is installed on the second bottom plate through the column support plate, and the short bus bar suction mechanism is installed on the first side of the first translation module, so The long bus bar suction mechanism is installed on the second side of the first translation module; the bus bar welding mechanism is installed on the first translation module, and a movably installed The overlapping seat plate on the second base plate is connected with a storage platform.

Preferably, the head grabbing unit includes a head grabbing beam and a head grabbing mechanism, two head grabbing mechanisms are movably connected to the head grabbing beam, and the head The grabbing mechanism includes a head grabbing suction cup assembly for picking up the bus bars.

Preferably, the tail grabbing unit includes a tail grabbing beam and a tail grabbing mechanism, the tail grabbing mechanism is movably connected to the tail grabbing beam, and the tail grabbing mechanism includes a The end of the strip grabs the suction cup assembly.

Preferably, the head welding unit includes a main beam, a main welding mechanism, a camera assembly, a flow meter assembly and a walking assembly; a module mounting plate perpendicular to the main beam is connected to the middle of the main beam; The welding mechanism is movably installed on the module mounting plate so as to be able to move vertically; the camera assembly is installed on the main beam; the flow meter assembly is installed on the main beam and is located on the main welding The two sides of the mechanism; the walking assembly is installed on the main beam to drive the head welding unit to move as a whole.

Preferably, a second translation module is installed on the module mounting plate, and the main welding mechanism is installed on the slider of the second translation module, so that the second translation module drives the The main welding mechanism moves vertically.

The beneficial effects of the present invention are:

The invention can realize the automatic welding of the stacking process of the photovoltaic battery module, and can be applied to 72-piece and 60-piece conventional modules, double-glass modules, and half-chip modules.

Description of drawings

1A and 1B are perspective views of a fully automatic stitch welding machine according to an embodiment of the present invention.

Figure 2 is a perspective view of a supporting gantry according to an embodiment of the present invention.

Fig. 3 is a perspective view of a transport unit according to an embodiment of the present invention.

4 is a perspective view of an insulating strip pulling unit according to an embodiment of the present invention.

FIG. 5A is a perspective view of a lifting unscrambling unit according to an embodiment of the present invention.

Figure 5B is a perspective view of a main lift mechanism according to an embodiment of the present invention.

Fig. 5C is a partially enlarged view of a main finishing mechanism according to an embodiment of the present invention.

6A and 6B are perspective views of a head bus bar pulling unit according to an embodiment of the present invention.

Fig. 6C is a partially enlarged view of part A in Fig. 6B.

7 is a perspective view of a tail bus bar pulling unit according to an embodiment of the present invention.

Fig. 8 is a perspective view of a head grasping unit according to an embodiment of the present invention.

Fig. 9 is a perspective view of a tail grabbing unit according to an embodiment of the present invention.

Figure 10 is a perspective view of a head and tail tray unit according to an embodiment of the present invention.

11 is a perspective view of an intermediate tray translation mechanism according to an embodiment of the present invention.

12A and 12B are perspective views of a head welding unit according to an embodiment of the present invention.

12C is a perspective view of a primary welding mechanism according to an embodiment of the present invention.

12D and 12E are perspective views of welding modules according to embodiments of the present invention.

13 is a perspective view of a tail welding unit according to an embodiment of the present invention.

14 is a perspective view of a middle welding unit according to an embodiment of the present invention.

Explanation of reference signs:

101—frame body; 102—lifting film unit; 103—transmission unit; 104—tail bus bar pulling unit; 105—tail grabbing unit; 106—middle tray translation mechanism; 107—tail welding unit; 108—middle welding Unit; 109—gravity tensioning wheel assembly; 110—head bus bar pulling unit; 111—manipulator unit; 112—insulation strip grabbing unit; 113—head grabbing unit; 114—head and tail tray unit; 115— Head welding unit; 116—supporting gantry; 16.1—longitudinal slide rail;

401—Wide insulation strip placement wheel mechanism; 402—Placement wheel installation vertical plate; 403—Narrow insulation strip placement wheel mechanism; 404—Insulation strip cutting mechanism; 405—Narrow insulation strip; 406—Wide insulation strip; 407—Pallet ; 408—first bottom plate; 409—gripper mechanism; 410—pressing mechanism;

501—main lifting mechanism; 502—main finishing mechanism; 503—suction cup assembly; 2.1—lifting module; 2.2—module sliding table connecting plate; 2.6—module installation vertical plate; 2.7—mounting plate of film processing platform; 2.8—beam; 4.1—X-axis motion module; 4.2—Y-axis motion module; 4.3—rotating motor;

601—short bus bar pulling steering mechanism; 602—long bus bar clamping mechanism; 603—short bus bar suction mechanism; 604—first translation module; 605—supporting horizontal plate; 606—storage table; 607—bus bar Straightening mechanism; 608—column support plate; 609—second bottom plate; 610—long bus bar suction mechanism; 611—lap seat plate; 612—bus bar welding mechanism; 613—welding platform; 614—bottom bending mold; 615—upper bending die;

801—head grabbing beam; 802—head grabbing mechanism; 803—head grabbing suction cup assembly 803; 901—tail grabbing beam; 902—tail grabbing mechanism; 903—tail grabbing sucker assembly 903; 1001 - head and tail pallet working platform;

1201—auxiliary camera positioning mechanism; 1202—walking slider mechanism; 1203—camera horizontal plate; 1204—adjusting camera; 1205—main welding mechanism; 1206—flow meter mounting plate; 1207—flow meter; The second translation module; 1210—module mounting plate; 1211—reduction motor; 1212—flange bending plate; 1213—traveling gear; 1214—main beam; 5.1—first-stage cylinder; —second stage cylinder; 5.4—sliding mounting plate; 5.5—main mounting vertical plate; 5.6—level adjustment mechanism; 5.7—welding module; 5.7.1—heating rod; 5.7.2—fixed cover plate; block; 5.7.4—spring; 5.7.5—pressure needle; 5.7.6—spring side plate; 5.7.7—base plate; 5.7.8—insulation plate; piece.

It should be understood that the appended drawings are not to scale, presenting a suitably simplified representation of various features illustrative of the basic principles of the invention. The specific design features of the invention disclosed herein, including, for example, specific dimensions, orientations, locations and shapes will be determined in part by the particular intended application and use environment. In the accompanying figures, the same or equivalent parts (elements) are designated with the same reference numerals.

Detailed ways

The present invention will be further described below in combination with specific embodiments and corresponding drawings.

As shown in Figure 1A and Figure 1B, the fully automatic stitching welding machine according to the embodiment of the present invention includes: a frame body 101, a transmission unit 103, an insulating strip grabbing unit 112, a manipulator unit 111, a gravity tension wheel assembly 109, a lifting Sorting unit 102, head bus bar pulling unit 110, tail bus bar pulling unit 104, head grabbing unit 113, tail grabbing unit 105, two head and tail tray units 114, middle tray translation mechanism 106, head Welding unit 115 , tail welding unit 107 and middle welding unit 108 . The frame body is provided with a middle and lower platform, and a supporting gantry 116 for providing installation positions and moving tracks for other units is fixed on the middle and lower platform; the transmission unit 103 is fixed on the middle and lower platform of the frame body, and the The transmission unit drives the synchronous belt to transmit the battery assembly through the motor; the insulating strip grabbing unit 112 is fixed on the head of the support gantry 116 for pulling and cutting the insulating strip into rolls; the manipulator unit 111 is fixed on the frame body The top of the head is used to grab and move the cut insulating strip; the gravity tension wheel assembly 109 is fixed on the column of the frame body, so as to be used to tighten and straighten the bus bar; the lifting and sorting unit 102 is fixed on the Support the gantry for the precise positioning of the battery string position and the lifting of the battery string; the head bus bar pulling unit 110 and the tail bus bar pulling unit 104 are respectively installed on the head of the middle and lower platform of the frame body and the tail, to be used for pulling, cutting and positioning of the bus bars of the head and tail respectively; the head grabbing unit 1013 and the tail grabbing unit 105 are respectively installed on the head and The tail part is used to grab and carry the bus bars prepared by the head bus bar pulling unit and the tail bus bar pulling unit respectively; two head and tail tray units 114 are respectively installed in the middle of the frame body through slide rails The head and the tail of the lower platform can support the glass plate of the battery pack and provide a working platform for the welding of the bus bars at the head and tail; the middle tray translation mechanism 106 is installed on the longitudinal slide rail of the support gantry to To move the bus bar prepared at the tail of the support gantry to the middle of the support gantry and provide a working platform for the bus bar welding in the middle; the head welding unit 115, the tail welding unit 107 and the middle welding unit 108 are respectively installed on the support The head, tail and middle of the gantry 116 are used for welding the bus bars at the head, tail and middle, and the head welding unit, the tail welding unit and the middle welding unit pass through the longitudinal direction of the supporting gantry Slide rail moves.

As shown in Figure 2, the supporting gantry 116 according to the embodiment of the present invention is installed on the middle and lower platform of the frame body through the legs, and the supporting gantry is provided with a plurality of longitudinal slide rails 16.1, which can slide and install the above-mentioned related units.

As shown in FIG. 3 , the transmission unit 103 according to the embodiment of the present invention is installed on the middle and lower platform of the frame body and is located under the support gantry. The transmission unit can drive the synchronous belt through the motor to transport the battery components delivered by other equipment.

As shown in FIG. 4 , the insulating strip grabbing unit 112 according to the embodiment of the present invention includes a wide insulating strip placement wheel mechanism 401, a placement wheel mounting riser 402, a narrow insulating strip placement wheel mechanism 403, an insulating strip cutting mechanism 404, a support Plate 407, first base plate 408, jaw mechanism 409 and pressing mechanism 410; described placement wheel mounting vertical plate 402 is fixed on the described first base plate 408, described placement wheel mounting vertical plate 402 is installed described wide insulation The strip placement wheel mechanism 401 and the narrow insulation strip placement wheel mechanism 403 are also installed with the pressing mechanism 410; the insulation strip shear mechanism 404 is installed on the first end of the first bottom plate 408 for insulation strip cutting; the pallet 407 is mounted on the first bottom plate 408 through a slider slide rail mechanism and is controlled by an air cylinder so that it can move to a desired position; the jaw mechanism 409 is connected with the horizontally installed synchronous belt The transmission mechanism and the slider slide rail mechanism are installed together, and the synchronous belt transmission mechanism can move the jaw mechanism to a designated position along the slide rail under the drive of the motor. The insulation strip grabbing unit is used to pull and cut the insulation strips into rolls (insulation strips include backboard and EVA). Narrow insulating strips 405 and wide insulating strips 406 are shown.

As shown in FIG. 5A , the lifting and sorting unit 102 according to the embodiment of the present invention includes a main lifting mechanism 501, a main finishing mechanism 502, a suction cup assembly 503 and a driver; the main lifting mechanism 501 is configured to drive the battery string to move in the vertical direction The main finishing mechanism 502 is arranged under the main lifting mechanism 501, and the main finishing mechanism 502 is configured to drive the battery strings to move in the horizontal direction and can drive the battery strings to rotate; the suction cup assembly 503 is set on the Below the main finishing mechanism 502, the suction cup assembly 503 includes a suction cup and a suction cup mounting plate. The suction cup is installed on the lower part of the suction cup mounting plate. The suction cup mounting plate is located below the main finishing mechanism 502. a string; the drive configured to control operation of the main lift mechanism, the main collating mechanism, and the suction cup assembly.

As shown in FIG. 5B, the main lifting mechanism 501 according to the embodiment of the present invention includes a lifting module 2.1 and a film platform mounting plate 2.7. The lifting module 2.1 is installed on the beam 2.8. The lifting module 2.1 includes a For the sliding table moving in the vertical direction, the lifting module 2.1 is driven by the motor to drive the screw to drive the power to make the sliding table move vertically. The sliding table is connected with the module sliding table connecting plate 2.2, thereby driving the module sliding table The connecting plate 2.2 moves in the vertical direction, and the two ends of the module slide connecting plate 2.2 in the lateral direction are connected with a module installation vertical plate 2.6, and the two module installation vertical plates 2.6 are connected to the The film sorting platform mounting plate 2.7 is connected to drive the film sorting platform mounting plate 2.7 to move in the vertical direction (Z-axis direction). The beam 2.8 is further provided with slide rail pads 2.3 located on both sides of the lifting module 2.1, the slide rail pad 2.3 is fixed with a linear slide rail 2.4, and the linear slide rail 2.4 is equipped with a slider 2.5, The slider 2.5 is connected with the module installation vertical plate 2.6, so as to guide the movement of the module installation vertical plate 2.6 in the vertical direction.

As shown in Figure 5C, the main finishing mechanism according to the embodiment of the present invention includes an X-axis motion module 4.1, a Y-axis motion module 4.2 and a rotary motor 4.3, the X-axis motion module 4.1 is arranged above the Y-axis motion module 4.2, The rotary motor 4.3 is arranged under the Y-axis motion module 4.2, and the rotary motor 4.3 is connected to the suction cup assembly through a connecting plate, so that the X-axis motion module 4.1, the Y-axis motion module 4.2 and the The rotating motor 4.3 drives the battery strings attached to the suction cup assembly to move in the direction of the X-axis and the direction of the Y-axis and to rotate around the Z-axis.

As shown in FIG. 6A, FIG. 6B and FIG. 6C, the head bus bar pulling unit 110 according to the embodiment of the present invention includes a short bus bar pulling steering mechanism 601, a bus bar straightening mechanism 607, and a long bus bar clamping mechanism 602. , the long bus bar suction mechanism 610, the short bus bar suction mechanism 603, the bus bar welding mechanism 612 and the first translation module 604; the short bus bar pulling steering mechanism 601 is installed on the first end of the second bottom plate 609, The short bus bar pulling steering mechanism 601 is configured to cut a short bus bar and rotate it 90 degrees to make it perpendicular to the long bus bar; the bus bar straightening mechanism 607 is installed on the second base plate 609 At the second end, the bus bar straightening mechanism 607 is configured to straighten the bus bar and brush flux on the bus bar to prepare for the subsequent process; the short bus bar pulling steering mechanism 601 is connected with the bus bar straightening A slide rail and a synchronous transmission mechanism are arranged between the straight mechanism 607, and the long busbar clamping mechanism 602 is mounted on the slide rail through a slider; the first translation module 604 is mounted on the On the second bottom plate 609, the short bus bar suction mechanism 603 is installed on the first side of the first translation module 604, and the long bus bar suction mechanism 610 is installed on the first side of the first translation module 604. Two sides: the bus bar welding mechanism 612 is installed on the first translation module 604, and the bus bar welding mechanism 612 is provided with an overlapping seat plate 611 movably installed on the second bottom plate 609 , the storage platform 606 is connected to the overlapping seat plate 611 .

The short bus bar pulling steering mechanism 601 is installed on one end of the second bottom plate 609, and the bus bar straightening mechanism 607 is installed on the other end of the second bottom plate 609. The function of the short bus bar pulling steering mechanism 601 is to cut a section of short bus bar and Turn it at an angle of 90 degrees to make it perpendicular to the long bus bar; the function of the bus bar straightening mechanism 607 is to prepare the bus bar that has been straightened and coated with flux, and waits for the subsequent process.

The supporting horizontal plate 605 is vertically installed on the front front end of the second bottom plate 609, on which a slide rail and a synchronous belt transmission mechanism are installed. The synchronous belt transmission mechanism is powered by a motor, and the long bus bar clamp installed on it is driven by the slider slide rail mechanism. The fetching mechanism 602 reciprocates, and the long bus bar gripping mechanism 602 grips the bus bar prepared by the bus bar straightening mechanism 607, cuts off by the bus bar straightening mechanism 607, and then grips and moves to the designated position, and puts the long bus bar Place it on the nearest storage table 606.

Multiple sets of column support plates 608 are installed on the second bottom plate 609, on which the first translation module 604 is installed, and the front (first side) of the first translation module 604 is equipped with a short bus bar suction mechanism 603, and drives it to reciprocate, Two long bus bar suction mechanisms 610 are fixedly installed on the back (second side) of the first translation module 604 . The short bus bar suction mechanism 3 moves to the left end, can suck the short bus bar and pull the short bus bar prepared by the steering mechanism 601, and move it to a designated position. The long bus bar suction mechanism 610 can suck the long bus bar right below it and lift it up to a certain height, and then put it down after the overlapping seat plate 611 below moves to the next station.

The overlapping seat plate 611 is installed on the second base plate 609 through a slider slide rail mechanism, and can be moved forward and backward (in the lateral direction of the second base plate 609 ) driven by the cylinder. Two storage tables 606 are laid in parallel on the overlapping seat plate 611, one for welding and one for storing bus bars. The storage table 606 has a vacuum suction hole for sucking and fixing the bus bar, and a positioning pin for positioning the bus bar. The storage table 606 for welding is close to the welding platform 613 , where the long bus bars and short bus bars are placed vertically, waiting for the bus bar welding mechanism 612 to perform welding.

The welded bus bar is picked up by the long bus bar suction mechanism 610 and put into the bending mechanism composed of the lower bending die 614 and the upper bending die 615 (as shown in FIG. 6C ) for bending process operation.

As shown in FIG. 7 , the basic structure and working principle of the rear bus bar pulling unit 104 according to the embodiment of the present invention are basically the same as those of the head bus bar pulling unit 110 , and will not be described in detail here.

As shown in FIG. 8 , the head grabbing unit 113 according to the embodiment of the present invention includes a head grabbing beam 801 and a head grabbing mechanism 802, and the head grabbing beam 801 is movably connected to two The head grabbing mechanism 802 is described, and the head grabbing mechanism includes a head grabbing suction cup assembly 803 for sucking the bus bar.

As shown in FIG. 9, the tail grabbing unit 105 according to the embodiment of the present invention includes a tail grabbing beam 901 and a tail grabbing mechanism 902, and the tail grabbing mechanism 902 is movably connected to the tail grabbing beam 901. , the tail grabbing mechanism 902 includes a tail grabbing suction cup assembly 903 for sucking the bus bar.

As shown in Figure 10, the head and tail tray unit 114 according to the embodiment of the present invention has a head and tail tray working platform 1001, which can support the glass plate of the battery pack on the one hand, and provide a working platform for bus bar welding on the other hand, and the head grabs The bus bar captured by the unit and the tail grabbing unit is placed on the head and tail pallet working platform of the head and tail pallet unit.

As shown in FIG. 11, the middle tray translation mechanism 106 according to the embodiment of the present invention is installed on the longitudinal slide rail on the support gantry 116, and can move along the longitudinal slide rail, and is used to move the bus bar prepared at the tail to the middle ( It is limited to welding of half-piece components), and provides a working platform for the middle bus bar welding.

As shown in Figure 12A and Figure 12B, the head welding unit 115 according to the embodiment of the present invention includes: a main beam 1214, the middle of which is connected with a module mounting plate 1210 perpendicular to the main beam 1214; a main welding mechanism 1205, which Actively installed on the module mounting plate 1210 so as to be able to move vertically; a camera assembly, which is installed on the main beam 1214; a flow meter assembly, which is installed on the main beam 1214 and is located at the main Two sides of the welding mechanism 1205; and a walking assembly, which is installed on the main beam 1214 to drive the head welding unit to move as a whole.

According to the embodiment of the present invention, the second translation module 1209 is installed on the module installation plate 1210, and the main welding mechanism 1205 is installed on the slider of the second translation module 1209, so that the second The translation module 1209 drives the main welding mechanism 1205 on its slider to move vertically.

As shown in Figure 12C, the main welding mechanism 1205 includes: the main installation vertical plate 5.5, which is installed on the slider of the second translation module 1209; the first-stage cylinder 5.1, which is installed on the main installation vertical plate 5.5 The upper part of the first-stage cylinder 5.1 is connected with a transition connecting plate 5.2; the second-stage cylinder 5.3 is fixed on the transition connecting plate 5.2, and the head of the second-stage cylinder 5.3 is connected with a sliding Mounting plate 5.4; multiple groups of welding modules 5.7 (six groups of welding modules 5.7 are arranged in the present embodiment), wherein two groups of welding modules 5.7 are respectively installed on the two ends of the transverse direction of the main installation vertical plate 5.5, and the rest are welded Modules 5.7 (four groups of welding modules 5.7) are installed on the sliding mounting plate 5.4; and a horizontal adjustment mechanism 5.6 is installed on the welding modules 5.7 to adjust the horizontal distance between the multiple groups of welding modules 5.7.

According to an embodiment of the present invention, the above-mentioned four groups of welding modules 5.7 are installed on the sliding mounting plate 5.4 through a slider-slide rail mechanism, and the four groups of welding modules 5.7 can be adjusted in the horizontal direction along the slide rails under the adjustment of the horizontal adjustment mechanism 5.6 Move, so that the spacing of the four groups of welding modules 5.7 can be changed; another two groups of welding modules 5.7 are respectively fixed on the two ends of the main installation vertical plate 5.5 (the above four groups of welding modules 5.7 are located between the two groups of welding modules 5.7 ), these two groups of welding modules 5.7 can only change the horizontal position under the adjustment of the horizontal adjustment mechanism, and its vertical position is fixed.

According to the embodiment of the present invention, when both the first-stage cylinder 5.1 and the second-stage cylinder 5.3 are retracted, the four sets of welding modules 5.7 in the middle are positioned higher than the two sets of welding modules 5.7 installed at the ends; when the first When the first-stage cylinder 5.1 and the second-stage cylinder 5.3 all stretched out, the four groups of welding modules 5.7 in the middle were located at a position lower than the two groups of welding modules 5.7 installed at the end; when the first-stage cylinder 5.1 and the second-stage cylinder 5.3 When one of them stretches out and the other retracts, the four groups of welding modules 5.7 in the middle are flush with the two groups of welding modules 5.7 installed at the ends. By adjusting the heights of multiple groups of welding modules, the head welding unit of the present invention can be adapted to welding battery strings of different sizes, and some small-sized battery strings do not need the two outermost welding modules.

As shown in Figure 12D and Figure 12E, according to the embodiment of the present invention, the welding module 5.7 includes a plurality of heating rods 5.7.1 (five heating rods 5.7.1 in this embodiment), which are connected by a fixed cover plate 5.7 .2 and the base plate 5.7.7 are clamped and fixed, and the middle and lower parts of the five heating rods 5.7.1 located under the fixed cover plate 5.7.2 and the base plate 5.7.7 are provided with heat shields 5.7.8, which are located A reinforcement plate 5.7.9 is fixed on the heat insulation plate 5.7.8 on the first side of the heating rod 5.7.1, and a cold air block 5.7 is arranged on the heat insulation plate 5.7.8 on the second side opposite to the first side .3 and the spring 5.7.4 side plate, the bottom of the five heating rods 5.7.1 is provided with a hot air block 5.7.10, and the side plate of the spring 5.7.4 is provided with a plurality of pressure pins 5.7.5, and the multiple pressure pins 5.7.5 Through the hot air block 5.7.10, the upper part of each pressing pin 5.7.5 is fitted with a spring 5.7.4. When the pressing needle 5.7.5 works, the spring 5.7.4 is compressed to provide working pressure for the pressing needle when the pressing needle works, and the working pressure of the pressing needle 5.7.5 can be adjusted by replacing the spring 5.7.4.

Air can pass through the middle part of the heating rod 5.7.1, and the air can be heated into high-temperature gas after passing through the heating rod 5.7.1 when the power is turned on, for welding.

Five heating rods 5.7.1 correspond to five pressure pins 5.7.5, the upper end of the pressure pin 5.7.5 is connected to the side plate of the spring 5.7.4 through the mounting block, and the lower end of the pressure pin 5.7.5 passes through the hot air block 5.7.10 , the hot air block 5.7.10 has five protrusions corresponding to the five pressing pins 5.7.5, and the pressing pins 5.7.5 pass through the protrusions of the hot air block 5.7.10, and the cold air block 5.7.3 also has five protrusions corresponding to The five pressing pins 5.7.5 correspond to each other, and the protruding part of the cold air block 5.7.3 is located at the side of the pressing pins 5.7.5.

Compressed air can be fed into the cold air block 5.7.3 for air cooling after welding; the hot air block 5.7.10 has multiple air holes, and the air holes communicate with the heating rod 5.7.1 so that high-temperature gas can pass through the hot air block 5.7.10 Output to indenter 5.7.5.

As shown in Figure 12A and Figure 12B, according to the embodiment of the present invention, the camera assembly includes: a camera bracket 1208, which is installed in the middle of the main beam 1214, and a camera horizontal plate 1203 is fixedly installed on the camera bracket 1208; and A plurality of adjustment cameras 1204 (five adjustment cameras in this embodiment) are installed on the camera horizontal plate 1203 to take pictures of the gaps between multiple sets of battery strings.

As shown in FIGS. 12A and 12B , according to an embodiment of the present invention, a flow meter assembly includes: a flow meter mounting plate 1206 mounted on a main beam 1214 and located on both sides of a main welding mechanism 1205 ; a plurality of flow meters 1207 , It is mounted on flow meter mounting plate 1206 . The flow meter is used to detect the air volume entering the hot air block, and then feeds back the signal to the control system to control the air volume.

As shown in Figure 12A and Figure 12B, according to the embodiment of the present invention, the walking assembly includes: a geared motor 1211, one end of the main beam 1214 is provided with a flange bending plate 1212, and the geared motor 1211 is installed On the flange bending plate 1212; the drive shaft, which is connected to the reduction motor 1211, the drive shaft passes through the main beam 1214; the traveling gear 1213, which is installed at both ends of the drive shaft, The walking gear 1213 can cooperate with the racks of other parts to drive the head welding unit to carry out walking action; The welding unit performs auxiliary positioning. The head welding unit of the present invention needs to move horizontally as a whole under the driving of the walking assembly, and needs to move to a proper position (precise position for welding battery strings). The movement accuracy of the geared motor cannot be guaranteed, and it is necessary to use the industrial camera of the auxiliary camera positioning mechanism for auxiliary positioning and precise adjustment.

The two ends of the main beam 1214 are provided with traveling slider mechanisms 1202, which can cooperate with slide rails of other components to make the head welding unit slide relative to other components. Likewise, it can also assist the entire welding device to perform necessary movement in the production line, so as to cooperate with the walking action of the head welding unit.

Fig. 13 and Fig. 14 respectively show the tail welding unit 107 and the middle welding unit 108, the basic structure and working principle of the two are the same as the head welding unit, and will not be described in detail here.

The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. The foregoing description is not intended to be exhaustive or to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable others skilled in the art to make and use the various exemplary embodiments and various alternatives and modifications of the invention form. It is intended that the scope of the invention be defined by the claims appended hereto and their equivalents.

Claims (10)

1. A fully automatic stitch welding machine, characterized in that it comprises: A frame body, the frame body is provided with a middle and lower platform, and a supporting gantry for providing installation positions and moving tracks for other units is fixed on the middle and lower platform; The transmission unit is fixed on the middle and lower platform of the frame body, and the transmission unit drives the synchronous belt through the motor to transmit the battery assembly; Insulation strip grabbing unit fixed to the head of the support gantry for pulling and cutting insulation strips into rolls; A manipulator unit, which is fixed on the top of the head of the frame, is used to grab and move the cut insulating strip; Gravity tensioning wheel assembly, which is fixed on the column of the frame body, for tensioning and straightening the bus bar; Lifting the sorting unit, which is fixed on the supporting gantry, for the precise positioning of the position of the battery string and the lifting of the battery string; The head bus bar pulling unit and the tail bus bar pulling unit are respectively installed on the head and tail of the middle and lower platform of the frame body, so as to be used for pulling and cutting the bus bars at the head and tail respectively and positioning; head grabbing unit and tail grabbing unit, which are respectively installed at the head and tail of the longitudinal slide rails supporting the gantry, for grabbing and handling the head bus bar pulling unit and the tail bus bar pulling unit respectively Cell-ready bus bars; Two head and tail tray units are respectively installed on the head and tail of the middle and lower platform of the frame body through slide rails, so as to support the glass plate of the battery pack and provide work for the welding of the bus bars at the head and tail platform; An intermediate tray translation mechanism, which is installed on the longitudinal slide rails of the supporting gantry, is used to move the bus bar prepared at the tail of the supporting gantry to the middle of the supporting gantry and provide a working platform for the bus bar welding in the middle; and A head welding unit, a tail welding unit and a middle welding unit are respectively installed on the head, tail and middle of the support gantry for welding of bus bars at the head, tail and middle, and the head welding unit , the tail welding unit and the middle welding unit move through the longitudinal sliding rails of the supporting gantry. 2. The fully automatic stitch welding machine according to claim 1, characterized in that the insulating strip grabbing unit includes a wide insulating strip placing wheel mechanism, a placing wheel mounting stand, a narrow insulating strip placing wheel mechanism, and an insulating strip cutting mechanism , supporting plate, first bottom plate, jaw mechanism and pressing mechanism; The described placement wheel mounting vertical plate is fixed on the described first bottom plate, and described placement wheel mounting vertical plate is installed described wide insulating strip placement wheel mechanism and The narrow insulating strip places the wheel mechanism and also installs the pressing mechanism; the insulating strip cutting mechanism is installed on the first end of the first bottom plate for cutting the insulating strip; the supporting plate passes through The slider slide rail mechanism is installed on the first bottom plate and is controlled by the cylinder so that it can move to the required position; the jaw mechanism is installed together with the horizontally installed synchronous belt transmission mechanism and the slider slide rail mechanism, synchronously Driven by the motor, the belt transmission mechanism can move the jaw mechanism to a designated position along the slide rail. 3. The fully automatic stitching welding machine according to claim 1, wherein the lifting and sorting unit includes a main lifting mechanism, a main finishing mechanism, a sucker assembly and a driver; the main lifting mechanism is configured to drive the battery string in a vertical Direction movement; the main finishing mechanism is arranged under the main lifting mechanism, and the main finishing mechanism is configured to drive the battery strings to move in the horizontal direction and can drive the battery strings to rotate; the suction cup assembly is set on the main finishing mechanism Below the mechanism, the suction cup assembly includes a suction cup and a suction cup mounting plate, the suction cup is installed on the lower part of the suction cup mounting plate, the suction cup mounting plate is located below the main finishing mechanism, and the suction cup assembly is configured to suck battery strings; the driver configured to control operation of the main lift mechanism, the main collating mechanism and the suction cup assembly. 4. The fully automatic stitch welding machine according to claim 3, characterized in that, the main lifting mechanism comprises a lifting module and a mounting plate for a sorting platform, the lifting module is installed on a beam, and the lifting module It includes a sliding platform that can move in the vertical direction, and the module sliding platform connecting plate is connected to the sliding platform, so as to drive the module sliding platform connecting plate to move in the vertical direction, and the module sliding platform connecting plate is Both ends in the transverse direction are connected with module installation vertical plates, and the two module installation vertical plates are all connected with the described film arrangement platform installation plate, and the described film arrangement platform installation plate is connected with the described film arrangement platform installation plate below it. The main finishing mechanism is connected, and the main finishing mechanism is connected with the suction cup assembly, so as to drive the suction cup assembly to move in the vertical direction. 5. The fully automatic stitch welding machine according to claim 4, wherein the main finishing mechanism includes an X-axis movement module, a Y-axis movement module and a rotary motor, and the X-axis movement module is arranged on the Y-axis Above the motion module, the rotation motor is arranged below the Y-axis motion module, and the rotation motor is connected to the suction cup assembly through a connecting plate, so that the X-axis motion module, the Y-axis motion module and the The rotating motor drives the battery strings attached to the suction cup assembly to move in the directions of the X-axis and the Y-axis and to rotate around the Z-axis. 6. The fully automatic stitching welding machine according to claim 1, wherein the head bus bar pulling unit comprises a short bus bar pulling steering mechanism, a bus bar straightening mechanism, a long bus bar clamping mechanism, Long bus bar suction mechanism, short bus bar suction mechanism, bus bar welding mechanism and first translation module; the short bus bar pulling steering mechanism is installed on the first end of the second bottom plate, and the short bus bar pulling The steering mechanism is configured to cut a short bus bar and rotate the short bus bar by 90 degrees so that the short bus bar and the long bus bar are perpendicular to each other; the bus bar straightening mechanism is installed on the second end of the second bottom plate, so that The bus bar straightening mechanism is configured to straighten the bus bar and brush flux on the bus bar to prepare for the subsequent process; a slide rail is arranged between the short bus bar pulling steering mechanism and the bus bar straightening mechanism and a synchronous transmission mechanism, the long bus bar clamping mechanism is installed on the slide rail through a slider; the first translation module is installed on the second bottom plate through a column support plate, and the short bus bar sucks The mechanism is installed on the first side of the first translation module, the long bus bar suction mechanism is installed on the second side of the first translation module; the bus bar welding mechanism is installed on the first translation module As a set, an overlapping seat plate movably mounted on the second bottom plate is arranged under the bus bar welding mechanism, and a storage platform is connected to the overlapping seat plate. 7. The fully automatic stitch welding machine according to claim 1, wherein the head grabbing unit includes a head grabbing beam and a head grabbing mechanism, and the head grabbing beam is movable Two head grabbing mechanisms are connected, and the head grabbing mechanisms include a head grabbing suction cup assembly for sucking bus bars. 8. The fully automatic stitch welding machine according to claim 1, wherein the tail grabbing unit comprises a tail grabbing beam and a tail grabbing mechanism, and the tail grabbing mechanism is movably connected to the tail On the grabbing beam, the tail grabbing mechanism includes a tail grabbing suction cup assembly for sucking the bus bar. 9. The fully automatic stitch welding machine according to claim 1, wherein the head welding unit includes a main beam, a main welding mechanism, a camera assembly, a flow meter assembly and a walking assembly; the middle part of the main beam is connected There is a module mounting plate perpendicular to the main beam; the main welding mechanism is movably installed on the module mounting plate to be able to move vertically; the camera assembly is installed on the main beam; the The flowmeter assembly is installed on the main beam and located on both sides of the main welding mechanism; the walking assembly is installed on the main beam to drive the head welding unit to move as a whole. 10. The fully automatic stitch welding machine according to claim 9, wherein a second translation module is installed on the module mounting plate, and the main welding mechanism is installed on the slide of the second translation module. block, so that the second translation module drives the main welding mechanism on its slider to move vertically.