Cover plate welding equipment

Abstract

The utility model discloses cover plate welding equipment which comprises a machine frame, a first rotating disc device is arranged on the machine frame, and a plurality of jigs are arranged on a first rotating disc. A cover plate feeding device, a connecting piece feeding device, a laser welding device and a discharging device are further arranged on the machine frame, the jigs correspond to the cover plate feeding device, the connecting piece feeding device, the laser welding device and the discharging device in position, and the cover plate feeding device is used for feeding cover plates to the empty jigs. The connecting piece feeding device is used for feeding a connecting piece to a jig where a cover plate is placed, the laser welding device is used for welding the cover plate and the connecting piece on the jig, the discharging device is used for taking the welded cover plate and the connecting piece out of the jig, automatic feeding, assembling, welding and discharging of the cover plate and the connecting piece are achieved, manual operation is reduced, and the production efficiency is improved. And moreover, the multiple jigs rotate to switch different positions and work at the same time, and the welding efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to capacitor production technical field, especially a kind of cover plate welding equipment. BACKGROUND

[0002] Capacitor is commonly used electronic device, a kind of capacitor currently comprising shell, inner core and cover plate, inner core is placed in shell, cover plate is placed on the upside of inner core, the upside of cover plate is equipped with positive and negative, one of the electrodes is connected with the upper end surface of inner core by the conductive part that is vertically through in cover plate, and the conductive part between inner core and cover plate is connected by welding through connecting piece.

[0003] Currently, the operation of assembling and welding cover plate and connecting piece is manually placing cover plate and connecting piece to the underside of welding equipment for assembling and positioning, and then the welding equipment welds cover plate and connecting piece, and after welding, cover plate and connecting piece are manually taken out for the next welding of cover plate and connecting piece. This operation is more dependent on manual operation, has high labor intensity and low welding efficiency. SUMMARY

[0004] The main purpose of the utility model is to provide a cover plate welding equipment, which solves the technical problems of high labor intensity and low welding efficiency in the prior art for assembling and welding cover plate and connecting piece by manual taking and placing.

[0005] To achieve the above-mentioned purpose, the utility model provides a cover plate welding equipment, which comprises a rack, a first turntable device is arranged on the rack, the first turntable device comprises a first rotating drive mechanism and a first turntable, the first rotating drive mechanism is in transmission connection with the first turntable, the first rotating drive mechanism can drive the first turntable to rotate transversely, and a plurality of jigs are arranged on the first turntable and are uniformly distributed along the circumferential direction of the axis of the first turntable.

[0006] A cover plate feeding device, a connecting piece feeding device, a laser welding device and a discharging device are further arranged on the rack, the cover plate feeding device, the connecting piece feeding device, the laser welding device and the discharging device are arranged in sequence on the outer periphery of the first turntable, a plurality of jigs are arranged in position correspondence with the cover plate feeding device, the connecting piece feeding device, the laser welding device and the discharging device, the cover plate feeding device is used for feeding cover plate to the empty jigs, the connecting piece feeding device is used for feeding connecting piece to the jigs with cover plate, the laser welding device is used for welding cover plate and connecting piece on the jigs, and the discharging device is used for taking out the welded cover plate and connecting piece from the jigs.

[0007] The first rotating driving mechanism drives the first rotating disc and the plurality of jigs to rotate, and the plurality of jigs pass through the cover plate feeding device, the connecting piece feeding device, the laser welding device and the discharging device in sequence. First, the cover plate feeding device can automatically feed the cover plate to the empty jig; then, the jig with the cover plate is rotated to the position of the connecting piece feeding device, the connecting piece feeding device can automatically feed the connecting piece to the jig, and the connecting piece is on the upper side of the cover plate; then, the jig with the cover plate and the connecting piece is rotated to the position of the laser welding device, and the laser welding device automatically welds the cover plate and the connecting piece; finally, the jig with the welded cover plate and connecting piece is rotated to the position of the discharging device, the discharging device automatically takes out the welded cover plate and connecting piece from the jig, and the empty jig is rotated to the position of the cover plate feeding device to continue the feeding and welding of the next cover plate and connecting piece.

[0008] The first rotating disc device, the cover plate feeding device, the connecting piece feeding device, the laser welding device and the discharging device are arranged, automatic feeding, assembling, welding and discharging of the cover plate and the connecting piece are realized, manual operation is reduced, labor intensity is reduced, a plurality of jigs rotate to switch different positions and work at the same time, and welding efficiency can be improved.

[0009] Preferably, the cover plate feeding device comprises a first cover plate taking device, a cover plate overturning device and a second cover plate taking device, the first cover plate taking device, the cover plate overturning device and the second cover plate taking device are sequentially close to the first rotating disc; the cover plate overturning device comprises an overturning driving mechanism and an overturning clamp, the overturning driving mechanism is in transmission connection with the overturning clamp, and the overturning driving mechanism can drive the overturning clamp to overturn up and down; the first cover plate taking device is used for feeding the cover plate with the welding surface downward to the overturning clamp, the overturning clamp and the overturning driving mechanism are used for overturning the cover plate to have the welding surface upward, and the second cover plate taking device is used for feeding the cover plate with the welding surface upward on the overturning clamp to the corresponding jig.

[0010] When the welding surface of the cover plate faces downward when the cover plate is fed, the welding surface needs to be overturned upward first to be welded with the connecting piece. The first cover plate taking device feeds the cover plate with the welding surface downward to the overturning clamp, and the overturning clamp clamps the cover plate; then the overturning driving mechanism drives the overturning clamp and the cover plate to overturn up and down, so that the welding surface of the cover plate faces upward; then the second cover plate taking device takes out the cover plate from the overturning clamp and puts the cover plate on the jig, to realize overturning and feeding of the cover plate.

[0011] Preferably, a cover plate loading position is arranged on the frame, the first cover plate taking device comprises a first cover plate taking transverse driving mechanism, a first cover plate taking up-down driving mechanism and a first clamping mechanism, the first clamping mechanism is used for clamping the cover plate, and the first clamping mechanism is arranged above the cover plate loading position and the turnover clamp; the first cover plate taking transverse driving mechanism is connected to the frame, the first cover plate taking up-down driving mechanism is connected to the moving end of the first cover plate taking transverse driving mechanism, the first clamping mechanism is connected to the moving end of the first cover plate taking up-down driving mechanism, and the first cover plate taking transverse driving mechanism can drive the first clamping mechanism to move between the cover plate loading position and the turnover clamp, and the first cover plate taking up-down driving mechanism can drive the first clamping mechanism to move up and down.

[0012] Preferably, a tray placing position is arranged on the cover plate loading position, and the tray placing position is used for placing a tray capable of storing a plurality of cover plates.

[0013] The tray can store a plurality of cover plates, and the cover plates are conveniently fed; after the tray is placed on the tray placing position, the first cover plate taking device can take out the cover plates for multiple times, and only the empty tray and the tray storing the cover plates need to be replaced in time, so that the automatic and continuous feeding of the plurality of cover plates is realized.

[0014] Preferably, the cover plate loading device further comprises a visual detection device, the visual detection device is arranged between the cover plate turnover device and the first turntable, and the visual detection device is used for detecting the angle of the cover plate from the lower side to the upper side.

[0015] The second cover plate taking device comprises a second cover plate taking transverse driving mechanism, a second cover plate taking up-down driving mechanism, an angle rotating driving mechanism and a second clamping mechanism, the second clamping mechanism is used for clamping the cover plate, and the second clamping mechanism is arranged above the turnover clamp, the visual detection device and the corresponding jig.

[0016] The second cover plate taking transverse driving mechanism is connected to the frame, the second cover plate taking up-down driving mechanism is connected to the moving end of the second cover plate taking transverse driving mechanism, the angle rotating driving mechanism is connected to the moving end of the second cover plate taking up-down driving mechanism, the second clamping mechanism is connected to the moving end of the angle rotating driving mechanism, the second cover plate taking transverse driving mechanism can drive the angle rotating driving mechanism and the second clamping mechanism to move between the turnover clamp, the visual detection device and the jig, the second cover plate taking up-down driving mechanism can drive the angle rotating driving mechanism and the second clamping mechanism to move up and down, the angle rotating driving mechanism can drive the second clamping mechanism to rotate transversely, and the angle rotating driving mechanism is signal-connected with the visual detection device.

[0017] The cover plate and the connecting piece have an angle corresponding relationship. After the second clamping mechanism clamps the cover plate, the second clamping mechanism and the cover plate are rotated by an angle rotating driving mechanism according to the offset angle detected by the visual detection device, and then the cover plate is placed on the jig, so that the cover plate is loaded at a correct angle, and the angle corresponding relationship between the cover plate and the connecting piece is avoided.

[0018] Preferably, a connecting piece loading position for loading the connecting piece is arranged on the rack, and the connecting piece loading device comprises a connecting piece material taking horizontal driving mechanism, a connecting piece material taking up-down driving mechanism and a suction device. The suction device is used for sucking the connecting piece, and is arranged above the connecting piece loading position and the corresponding jig. The connecting piece material taking up-down driving mechanism is connected to the rack, the connecting piece material taking horizontal driving mechanism is connected to the moving end of the connecting piece material taking up-down driving mechanism, the suction device is connected to the moving end of the connecting piece material taking horizontal driving mechanism, the connecting piece material taking horizontal driving mechanism can drive the suction device to move between the connecting piece loading position and the jig, and the connecting piece material taking up-down driving mechanism can drive the suction device to move up and down.

[0019] The connecting piece is loaded from the connecting piece loading position. After the connecting piece material taking horizontal driving mechanism drives the suction device to move to the connecting piece loading position, the suction device sucks the connecting piece downward, and then moves the connecting piece to the jig, so as to realize automatic loading of the connecting piece.

[0020] Preferably, the connecting piece loading device further comprises a second rotary disc device, the second rotary disc device comprises a second rotary driving mechanism and a second rotary disc, the second rotary driving mechanism is in transmission connection with the second rotary disc, the second rotary driving mechanism can drive the second rotary disc to rotate laterally, the second rotary disc is provided with at least two popper feeders which are uniformly distributed along the axis of the second rotary disc in the circumferential direction, the popper feeder can stack multiple connecting pieces and send out the connecting pieces one by one, and the second rotary disc can drive the popper feeder to rotate through the connecting piece loading position, and the suction device can suck the single connecting piece sent out by the popper feeder.

[0021] Preferably, a cover plate unloading position for unloading the cover plate is arranged on the rack, and the unloading device comprises an unloading horizontal driving mechanism, an unloading up-down driving mechanism and an unloading clamping mechanism. The unloading clamping mechanism is used for clamping the connecting piece and the cover plate after welding, and is arranged above the cover plate unloading position and the corresponding jig.

[0022] The downward feeding transverse driving mechanism is connected to the frame, the downward feeding up-down driving mechanism is connected to the moving end of the downward feeding transverse driving mechanism, and the downward feeding clamping mechanism is connected to the moving end of the downward feeding up-down driving mechanism.

[0023] Preferably, the jig is provided with a cover positioning groove and a connecting piece positioning groove, the cover positioning groove is used for placing and positioning the cover, and the connecting piece positioning groove is used for placing and positioning the connecting piece.

[0024] Preferably, the frame is further provided with a welding pressing device, the welding pressing device is arranged on the lower side of the laser welding device, the welding pressing device comprises a welding pressing driving mechanism and a welding pressing piece, the welding pressing driving mechanism is in transmission connection with the welding pressing piece, the welding pressing driving mechanism can drive the welding pressing piece to move up and down, the welding pressing piece is arranged on the upper side of the corresponding jig, the welding pressing piece is used for pressing the connecting piece and the cover downward during welding, and the welding pressing piece is provided with a welding through hole for avoiding the welding position. BRIEF DESCRIPTION OF DRAWINGS

[0025] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to the structures shown in these drawings without creative labor.

[0026] Figure 1 It is a top view structural schematic diagram of the cover plate welding equipment of the present application.

[0027] Figure 2 It is a front view structural schematic diagram of the first rotating disc device, the cover plate feeding device and the connecting piece feeding device of the present application.

[0028] Figure 3 It is a structural schematic diagram of the present application when the cover is placed on the jig.

[0029] Figure 4 It is a structural schematic diagram of the present application when the cover and the connecting piece are placed on the jig.

[0030] Figure 5The utility model discloses a cover plate turnover device's structural diagram.

[0031] Figure 6 The utility model discloses a structure diagram when the suction connector of the suction device is sucked.

[0032] Figure 7 The utility model discloses a structure diagram when the laser welding device is welded.

[0033] In the drawing, 1 is the frame, 11 is the cover plate loading position, 12 is the connecting piece loading position, 13 is the cover plate unloading position, 2 is the first carousel device, 21 is the first rotation drive mechanism, 22 is the first carousel, 3 is the cover plate loading device, 31 is the first cover plate material taking device, 311 is the first cover plate material taking horizontal drive mechanism, 312 is the first cover plate material taking up-down drive mechanism, 313 is the first clamping mechanism, 32 is the cover plate turnover device, 321 is the turnover drive mechanism, 322 is the turnover clamp, 33 is the second cover plate material taking device, 331 is the second cover plate material taking horizontal drive mechanism, 332 is the second cover plate material taking up-down drive mechanism, 333 is the angle rotation drive mechanism, 334 is the second clamping mechanism, 34 is the visual detection device, 4 is the connecting piece loading device, 41 is the connecting piece material taking horizontal drive mechanism, 42 is the connecting piece material taking up-down drive mechanism, 43 is the suction device, 44 is the second carousel device, 441 is the second rotation drive mechanism, 442 is the second carousel, 45 is the spring clip type feeder, 5 is the laser welding device, 511 is the welding pressure drive mechanism, 512 is the welding pressure part, 513 is the welding through -hole, 6 is the unloading device, 7 is the jig, 71 is the cover plate positioning groove, 72 is the connecting piece positioning groove, 73 is the positioning spring top bead, 74 is the clamping accommodation groove, 8 is the tray, 91 is the cover plate, 911 is the conductive part, 92 is the connecting piece.

[0034] The utility model discloses the realization, functional characteristics and advantages will be further explained with reference to the drawings. Specific implementation

[0035] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the drawings in the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model and not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0036] It should be noted that if the utility model embodiments involve directional indications, such as up, down, left, right, front, back, etc., the directional indications are only used to explain the relative position relationship, movement condition, etc. between the components in a certain posture. If the certain posture changes, the directional indications also change accordingly.

[0037] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the same or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of the person skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor in the protection scope required by the present application.

[0038] As shown in Figures 1 to 7 A cover plate welding equipment, comprising a rack 1, the rack 1 is provided with a first rotary table device 2, the first rotary table device 2 includes a first rotary drive mechanism 21 and a first rotary table 22, the first rotary drive mechanism 21 is connected to the rack 1, the first rotary drive mechanism 21 is in transmission connection with the first rotary table 22, the first rotary drive mechanism 21 can drive the first rotary table 22 to rotate transversely, the first rotary table 22 is provided with a plurality of jigs 7 which are uniformly distributed along the axis of the first rotary table 22, and the number of jigs 7 in the embodiment is four.

[0039] The rack 1 is further provided with a cover plate feeding device 3, a connecting piece feeding device 4, a laser welding device 5 and a discharging device 6, the cover plate feeding device 3, the connecting piece feeding device 4, the laser welding device 5 and the discharging device 6 are arranged in sequence on the outer periphery of the first rotary table 22, the plurality of jigs 7 are respectively arranged in position corresponding to the cover plate feeding device 3, the connecting piece feeding device 4, the laser welding device 5 and the discharging device 6, the cover plate feeding device 3 is used for feeding the cover plate 91 to the empty jig 7, the connecting piece feeding device 4 is used for feeding the connecting piece 92 to the jig 7 with the cover plate 91, the laser welding device 5 is used for welding the cover plate 91 and the connecting piece 92 on the jig 7, and the discharging device 6 is used for taking out the welded cover plate 91 and connecting piece 92 from the jig 7.

[0040] The first rotating driving mechanism 21 drives the first rotating disc 22 and the plurality of jigs 7 to rotate, and the plurality of jigs 7 pass through the cover plate feeding device 3, the connecting piece feeding device 4, the laser welding device 5 and the discharging device 6 in sequence. First, the cover plate feeding device 3 can automatically feed the cover plate 91 to the empty jig 7, the electrode on the cover plate 91 is at the lower side, and the welding surface of the conductive part 911 in the cover plate 91 faces upward; then, the jig 7 with the cover plate 91 is rotated to the position of the connecting piece feeding device 4, the connecting piece feeding device 4 can automatically feed the connecting piece 92 to the jig 7, and the connecting piece 92 is at the upper side of the cover plate 91; then, the jig 7 with the cover plate 91 and the connecting piece 92 is rotated to the position of the laser welding device 5, and the laser welding device 5 automatically welds the cover plate 91 and the connecting piece 92; finally, the jig 7 with the welded cover plate 91 and connecting piece 92 is rotated to the position of the discharging device 6, the discharging device 6 automatically takes out the welded cover plate 91 and connecting piece 92 from the jig 7, and the empty jig 7 is rotated to the position of the cover plate feeding device 3 to continue the feeding and welding of the next cover plate 91 and connecting piece 92.

[0041] The first rotating disc device 2, the cover plate feeding device 3, the connecting piece feeding device 4, the laser welding device 5 and the discharging device 6 are arranged, so that the cover plate 91 and the connecting piece 92 are automatically fed, assembled, welded and discharged, manual operation is reduced, labor intensity is reduced, and the welding efficiency can be improved because the plurality of jigs 7 rotate to switch different positions and work at the same time.

[0042] In some specific embodiments, the first rotating driving mechanism 21 can drive the first rotating disc 22 to rotate and position and stop by adopting a motor and a divider, or can drive the first rotating disc 22 by adopting a servo motor. The laser welding device 5 adopts an existing laser generator and a laser head to generate laser for welding, and preferably adopts a galvanometer laser welding head.

[0043] In some specific embodiments, the cover plate feeding device 3 comprises a first cover plate taking device 31, a cover plate turnover device 32 and a second cover plate taking device 33, and the first cover plate taking device 31, the cover plate turnover device 32 and the second cover plate taking device 33 are sequentially arranged close to the first rotating disc 22.

[0044] The cover plate turnover device 32 comprises a turnover driving mechanism 321 and a turnover clamp 322, and the turnover driving mechanism 321 is in transmission connection with the turnover clamp 322, and the turnover driving mechanism 321 can drive the turnover clamp 322 to turn over up and down. Figure 5 The first cover plate taking device 31 is used for feeding the cover plate 91 with the welding surface facing downward to the turnover clamp 322, the turnover clamp 322 and the turnover driving mechanism 321 are used for turning over the cover plate 91 to make the welding surface face upward, and the second cover plate taking device 33 is used for feeding the cover plate 91 with the welding surface facing upward on the turnover clamp 322 to the corresponding jig 7.

[0045] When the welding surface of the cover plate 91 is downward, the welding surface needs to be upward first before welding with the connecting piece 92. The first cover plate taking device 31 takes the cover plate 91 with the welding surface downward to the turnover clamp 322, the turnover clamp 322 clamps the cover plate 91, then the turnover driving mechanism 321 drives the turnover clamp 322 and the cover plate 91 to turn over up and down, so that the welding surface of the cover plate 91 is upward, then the second cover plate taking device 33 takes out the cover plate 91 from the turnover clamp 322 and puts the cover plate 91 on the jig 7, realizing the turnover and feeding of the cover plate 91. The turnover driving mechanism 321 can adopt a motor or a rotary air cylinder, and the turnover clamp 322 can adopt a jaw air cylinder or an electric clamp.

[0046] In some embodiments, the rack 1 is provided with a cover plate feeding position 11 for feeding the cover plate 91, and the first cover plate taking device 31 comprises a first cover plate taking transverse driving mechanism 311, a first cover plate taking up-down driving mechanism 312 and a first clamping mechanism 313, the first clamping mechanism 313 is used for clamping the cover plate 91, and the first clamping mechanism 313 is arranged above the cover plate feeding position 11 and the turnover clamp 322.

[0047] The first cover plate taking transverse driving mechanism 311 is connected to the rack 1, the first cover plate taking up-down driving mechanism 312 is connected to the moving end of the first cover plate taking transverse driving mechanism 311, and the first clamping mechanism 313 is connected to the moving end of the first cover plate taking up-down driving mechanism 312. The first cover plate taking transverse driving mechanism 311 can drive the first clamping mechanism 313 to move between the cover plate feeding position 11 and the turnover clamp 322, and the first cover plate taking up-down driving mechanism 312 can drive the first clamping mechanism 313 to move up and down.

[0048] When taking the cover plate 91, the first cover plate taking transverse driving mechanism 311 drives the first cover plate taking up-down driving mechanism 312 and the first clamping mechanism 313 to move transversely to the cover plate feeding position 11, then the first cover plate taking up-down driving mechanism 312 drives the first clamping mechanism 313 to move downward, the first clamping mechanism 313 clamps the cover plate 91, then the first cover plate taking up-down driving mechanism 312 drives the first clamping mechanism 313 and the cover plate 91 to move upward; then the first cover plate taking transverse driving mechanism 311 drives the first cover plate taking up-down driving mechanism 312 and the first clamping mechanism 313 to move transversely to the turnover clamp 322, the first clamping mechanism 313 moves downward, the turnover clamp 322 clamps the cover plate 91, and the first clamping mechanism 313 releases the cover plate 91 and moves away. The transverse direction referred by the first cover plate taking transverse driving mechanism 311 can be transverse movement in one direction, or X and Y directions can be set to form transverse movement together. The first cover plate taking transverse driving mechanism 311 and the first cover plate taking up-down driving mechanism 312 can adopt linear motion modules such as lead screws, gear racks, synchronous wheels and synchronous belts.

[0049] Further, the cover plate loading position 11 is provided with a tray placing position, which is used for placing a tray 8 capable of storing a plurality of cover plates 91.

[0050] The tray 8 can store a plurality of cover plates 91, and facilitates the incoming cover plates 91. After the tray 8 is placed on the tray placing position, the first cover plate taking device 31 can take out the cover plates 91 in multiple times, and only needs to replace the empty tray 8 and the tray 8 storing the cover plates 91 in time, so as to realize the automatic and continuous feeding of the plurality of cover plates 91.

[0051] In some specific embodiments, the cover plate feeding device 3 further comprises a visual detection device 34, which is arranged between the cover plate overturning device 32 and the first rotating disc 22, and is used for detecting the angle of the cover plate 91 from the lower side to the upper side. The visual detection device 34 is specifically a camera, which utilizes the image recognition function to recognize the position of the electrode, so as to know the angle of the current cover plate 91.

[0052] The second cover plate taking device 33 comprises a second cover plate taking horizontal driving mechanism 331, a second cover plate taking up-down driving mechanism 332, an angle rotating driving mechanism 333 and a second clamping mechanism 334. The second clamping mechanism 334 is used for clamping the cover plate 91, and is arranged above the overturning clamp 322, the visual detection device 34 and the corresponding jig 7.

[0053] The second cover plate taking horizontal driving mechanism 331 is connected to the rack 1, the second cover plate taking up-down driving mechanism 332 is connected to the moving end of the second cover plate taking horizontal driving mechanism 331, the angle rotating driving mechanism 333 is connected to the moving end of the second cover plate taking up-down driving mechanism 332, and the second clamping mechanism 334 is connected to the moving end of the angle rotating driving mechanism 333. The second cover plate taking horizontal driving mechanism 331 can drive the angle rotating driving mechanism 333 and the second clamping mechanism 334 to move between the overturning clamp 322, the visual detection device 34 and the jig 7. The second cover plate taking up-down driving mechanism 332 can drive the angle rotating driving mechanism 333 and the second clamping mechanism 334 to move up and down. The angle rotating driving mechanism 333 can drive the second clamping mechanism 334 to rotate horizontally. The angle rotating driving mechanism 333 is signal-connected with the visual detection device 34.

[0054] The cover plate 91 has an angle corresponding relationship with the connecting plate 92. When feeding, the angle of the cover plate 91 is detected and adjusted first to avoid the position of the conductive part 911 in the cover plate 91 deviating from the welding position. After the second clamping mechanism 334 clamps the cover plate 91 from the turnover clamp 322, it passes through the upper side of the visual detection device 34 during the movement to the jig 7. The visual detection device 34 detects the deviation angle of the cover plate 91. The angle rotating driving mechanism 333 drives the second clamping mechanism 334 and the cover plate 91 to rotate a corresponding correction angle according to the deviation angle. Then the cover plate 91 is placed on the jig 7, so as to ensure that the cover plate 91 fed is at the correct angle, avoid the angle corresponding error between the cover plate 91 and the connecting plate 92, and affect the assembly of the capacitor.

[0055] The angle rotating driving mechanism 333 can adopt a servo motor, and the second clamping mechanism 334 can adopt a jaw cylinder or an electric jaw. The lateral direction of the second cover plate material taking lateral driving mechanism 331 can be a lateral movement in one direction, or can be a combination of X direction and Y direction to form a lateral movement. The second cover plate material taking lateral driving mechanism 331 and the second cover plate material taking up-down driving mechanism 332 can adopt a linear motion module such as a lead screw, a gear and rack, a synchronous wheel and a synchronous belt.

[0056] In some embodiments, the rack 1 is provided with a connecting plate feeding position 12 for feeding the connecting plate 92. The connecting plate feeding device 4 includes a connecting plate material taking lateral driving mechanism 41, a connecting plate material taking up-down driving mechanism 42 and a suction device 43. The suction device 43 is used to suck the connecting plate 92, and is arranged above the connecting plate feeding position 12 and the corresponding jig 7. The connecting plate material taking up-down driving mechanism 42 is connected to the rack 1, and the connecting plate material taking lateral driving mechanism 41 is connected to the moving end of the connecting plate material taking up-down driving mechanism 42. The suction device 43 is connected to the moving end of the connecting plate material taking lateral driving mechanism 41. The connecting plate material taking lateral driving mechanism 41 can drive the suction device 43 to move between the connecting plate feeding position 12 and the jig 7. The connecting plate material taking up-down driving mechanism 42 can drive the suction device 43 to move up and down.

[0057] The connecting plate 92 is fed from the connecting plate feeding position 12. After the connecting plate material taking lateral driving mechanism 41 drives the suction device 43 to move to the connecting plate feeding position 12, the suction device 43 sucks the connecting plate 92 downward. Referring to Figure 6The connecting piece 92 is moved to the jig 7 again to realize automatic feeding of the connecting piece 92. Since the connecting piece 92 is thin, the connecting piece 92 is better taken and placed by suction, and the connecting piece 92 is not deformed. The suction device 43 can adopt a suction nozzle connected to a vacuum generator. The suction nozzle is attached to the connecting piece 92, and the vacuum generator works to generate negative pressure in the suction nozzle to suck the connecting piece 92. The transverse direction of the connecting piece feeding transverse driving mechanism 41 can be transverse movement in one direction, or X and Y directions can be set to form transverse movement together. The connecting piece feeding transverse driving mechanism 41 and the connecting piece feeding up-down driving mechanism 42 can adopt a cylinder, or a lead screw, a gear and a rack, a synchronous wheel and a synchronous belt, etc. linear motion module.

[0058] In some embodiments, the connecting piece feeding device 4 further comprises a second rotary disc device 44, the second rotary disc device 44 comprising a second rotary driving mechanism 441 and a second rotary disc 442, the second rotary driving mechanism 441 being in transmission connection with the second rotary disc 442, the second rotary driving mechanism 441 being capable of driving the second rotary disc 442 to rotate laterally, the second rotary disc 442 being provided with at least two clip type feeders 45 uniformly distributed along the axis of the second rotary disc 442 in a circumferential direction, the clip type feeder 45 being capable of stacking multiple connecting pieces 92 and feeding out the connecting pieces 92 one by one, the second rotary disc 442 being capable of driving the clip type feeder 45 to rotate through the connecting piece feeding position 12, and the suction device 43 being capable of sucking the single connecting piece 92 fed out by the clip type feeder 45.

[0059] The clip type feeder 45 is a prior art, the clip type feeder 45 is provided with a feeding groove matched with the shape of the connecting piece 92, multiple connecting pieces 92 can be stacked in the feeding groove, the lowermost connecting piece 92 is fed out, specifically, the lowermost connecting piece 92 falls into a feeding groove of a sliding seat and is fed out by moving with the sliding seat, and after being fed out, the connecting piece 92 is sucked by the suction device 43, so that the single and continuous feeding of the connecting piece 92 is realized.

[0060] The second rotary driving mechanism 441 can drive the second rotary disc 442 to rotate and stop by positioning by using a motor and a divider, or a servo motor can be used to drive the second rotary disc 442. At least two clip type feeders 45 are arranged on the second rotary disc 442, when one clip type feeder 45 rotates to the connecting piece feeding position 12, the other clip type feeders 45 are in a non-working state and are away from the working position, so that the other clip type feeders 45 can be conveniently replenished with connecting pieces 92.

[0061] In some specific embodiments, the rack 1 is provided with a cover plate unloading position 13 for unloading the cover plate 91, and the unloading device 6 comprises an unloading transverse driving mechanism, an unloading up-down driving mechanism, and an unloading clamping mechanism for clamping the welded connecting piece 92 and the cover plate 91, which is arranged above the cover plate unloading position 13 and the corresponding jig 7. The unloading transverse driving mechanism is connected to the rack 1, the unloading up-down driving mechanism is connected to the moving end of the unloading transverse driving mechanism, and the unloading clamping mechanism is connected to the moving end of the unloading up-down driving mechanism. The unloading transverse driving mechanism can drive the unloading clamping mechanism to move between the cover plate unloading position 13 and the jig 7, and the unloading up-down driving mechanism can drive the unloading clamping mechanism to move up and down.

[0062] After the welded connecting piece 92 and the cover plate 91 are rotated to the unloading device 6, the unloading transverse driving mechanism drives the unloading clamping mechanism to move to the upper side of the jig 7, and then the unloading clamping mechanism clamps the welded connecting piece 92 and the cover plate 91 downward and upward, and then moves the connecting piece 92 and the cover plate 91 to the cover plate unloading position 13. The cover plate unloading position 13 can be connected to other equipment or placed in a material collecting groove to collect the welded connecting piece 92 and the cover plate 91, thereby realizing automatic unloading of the welded connecting piece 92 and the cover plate 91. The unloading transverse driving mechanism and the unloading up-down driving mechanism can adopt a cylinder, or a lead screw, a gear and a rack, a synchronous wheel and a synchronous belt, etc. The unloading clamping mechanism can adopt a jaw cylinder or an electric jaw.

[0063] In some specific embodiments, the jig 7 is provided with a cover plate positioning groove 71 and a connecting piece positioning groove 72, the cover plate positioning groove 71 is used for placing and positioning the cover plate 91, and the connecting piece positioning groove 72 is used for placing and positioning the connecting piece 92. The jig 7 is also provided with a positioning spring top bead 73 arranged on the side wall of the cover plate positioning groove 71, which can press against the side of the cover plate 91 placed in the cover plate positioning groove 71.

[0064] The cover plate positioning groove 71 is matched in shape and size with the cover plate 91, one side of the connecting piece 92 is placed on the cover plate 91, and the other side is outside the cover plate 91 during assembly. The connecting piece positioning groove 72 positions the other side of the connecting piece 92 outside the cover plate 91, which can better support and position the connecting piece 92. A clamping accommodation groove 74 is arranged beside the cover plate positioning groove 71, which can be used for clamping the cover plate 91 by the second clamping mechanism 334 and the unloading clamping mechanism. When the cover plate 91 is placed in the cover plate positioning groove 71, the positioning spring top bead 73 presses against the cover plate 91, so that the cover plate 91 is more stably fixed in the cover plate positioning groove 71. When the cover plate 91 is taken out, it can be clamped upward with a little force.

[0065] In some specific embodiments, referring to Figure 7The welding pressing device is arranged on the lower side of the laser welding device 5, and comprises a welding pressing driving mechanism 511 and a welding pressing piece 512. The welding pressing driving mechanism 511 is in transmission connection with the welding pressing piece 512, and the welding pressing driving mechanism 511 can drive the welding pressing piece 512 to move up and down. The welding pressing piece 512 is arranged on the upper side of the corresponding jig 7, and is used for pressing the connecting sheet 92 and the cover plate 91 downward during welding. The welding pressing piece 512 is provided with a welding through hole 513 for avoiding the welding position.

[0066] When the cover plate 91 and the connecting sheet 92 rotate to the lower side of the laser welding device 5, the welding pressing piece 512 presses the connecting sheet 92 and the cover plate 91 downward. The middle part of the welding pressing piece 512 is provided with the welding through hole 513 for avoiding the welding position. The laser welding device 5 generates laser to weld the connecting sheet 92 and the cover plate 91 through the welding through hole 513, thereby improving the welding quality of the conductive piece 911 on the connecting sheet 92 and the cover plate 91.

[0067] The above description is only preferred embodiments of the present application, and does not limit the patent range of the present application. Any equivalent structural transformation, direct / indirect application in other related technical fields, or direct / indirect application in other related technical fields under the inventive concept of the present application are included in the patent protection range of the present application.

Claims

1. A cap welding apparatus characterized by comprising: The utility model relates to a kind of laser welding device for cover plate and connecting sheet, including rack (1), the first rotary table device (2) is equipped on the rack (1), the first rotary table device (2) includes first rotary drive mechanism (21) and first rotary table (22), the first rotary drive mechanism (21) is transmission connection with the first rotary table (22), the first rotary drive mechanism (21) can drive the first rotary table (22) transversely rotates, the first rotary table (22) is equipped with multiple jigs (7) along the axis of the first rotary table (22) circumferentially uniform distribution; The rack (1) is further equipped with cover plate feeding device (3), connecting sheet feeding device (4), laser welding device (5) and unloading device (6), the cover plate feeding device (3), the connecting sheet feeding device (4), the laser welding device (5) and the unloading device (6) are sequentially arranged in the outer periphery of the first rotary table (22), multiple jigs (7) are respectively provided in position corresponding to the cover plate feeding device (3), the connecting sheet feeding device (4), the laser welding device (5) and the unloading device (6), the cover plate feeding device (3) is used to feed cover plate (91) to empty jig (7), the connecting sheet feeding device (4) is used to feed connecting sheet (92) to the jig (7) with cover plate (91), the laser welding device (5) is used for welding cover plate (91) and connecting sheet (92) on jig (7), and the unloading device (6) is used to take out cover plate (91) and connecting sheet (92) from the jig (7) after welding.

2. The cap welding apparatus of claim 1, wherein The cover plate feeding device (3) includes first cover plate material taking device (31), cover plate turnover device (32) and second cover plate material taking device (33), the first cover plate material taking device (31), the cover plate turnover device (32) and the second cover plate material taking device (33) are sequentially close to the first rotary table (22); The cover plate turnover device (32) includes turnover drive mechanism (321) and turnover clamp (322), the turnover drive mechanism (321) is transmission connection with the turnover clamp (322), and the turnover drive mechanism (321) can drive the turnover clamp (322) to overturn up and down; The first cover plate material taking device (31) is used to feed cover plate (91) with welding surface downward to the turnover clamp (322), the turnover clamp (322) and the turnover drive mechanism (321) are used to overturn cover plate (91) to welding surface upward, and the second cover plate material taking device (33) is used to feed cover plate (91) with welding surface upward on the turnover clamp (322) to corresponding jig (7).

3. The cap welding apparatus of claim 2, wherein The rack (1) is provided with a cover plate feeding position (11) for feeding the cover plate (91), the first cover plate taking device (31) comprises a first cover plate taking transverse driving mechanism (311), a first cover plate taking up-down driving mechanism (312) and a first clamping mechanism (313), the first clamping mechanism (313) is used for clamping the cover plate (91), and the first clamping mechanism (313) is arranged above the cover plate feeding position (11) and the turnover clamp (322); The first cover plate taking transverse driving mechanism (311) is connected to the rack (1), the first cover plate taking up-down driving mechanism (312) is connected to the moving end of the first cover plate taking transverse driving mechanism (311), the first clamping mechanism (313) is connected to the moving end of the first cover plate taking up-down driving mechanism (312), and the first cover plate taking transverse driving mechanism (311) can drive the first clamping mechanism (313) to move between the cover plate feeding position (11) and the turnover clamp (322), and the first cover plate taking up-down driving mechanism (312) can drive the first clamping mechanism (313) to move up and down.

4. The cap welding apparatus of claim 3, wherein The cover plate feeding position (11) is provided with a tray placing position, and the tray placing position is used for placing a tray (8) capable of storing a plurality of cover plates (91).

5. The cap welding apparatus of claim 2, wherein The cover plate feeding device (3) further comprises a visual detection device (34), the visual detection device (34) is arranged between the cover plate turnover device (32) and the first turntable (22), and the visual detection device (34) is used for detecting the angle of the cover plate (91) from the lower side to the upper side; The second cover plate taking device (33) comprises a second cover plate taking transverse driving mechanism (331), a second cover plate taking up-down driving mechanism (332), an angle rotating driving mechanism (333) and a second clamping mechanism (334), the second clamping mechanism (334) is used for clamping the cover plate (91), and the second clamping mechanism (334) is arranged above the turnover clamp (322), the visual detection device (34) and the corresponding jig (7); The second cover plate material taking horizontal driving mechanism (331) is connected to the rack (1), the second cover plate material taking up-down driving mechanism (332) is connected to the moving end of the second cover plate material taking horizontal driving mechanism (331), the angle rotary driving mechanism (333) is connected to the moving end of the second cover plate material taking up-down driving mechanism (332), the second clamping mechanism (334) is connected to the moving end of the angle rotary driving mechanism (333), the second cover plate material taking horizontal driving mechanism (331) can drive the angle rotary driving mechanism (333) and the second clamping mechanism (334) to move between the turnover clamp (322), the visual detection device (34) and the jig (7), the second cover plate material taking up-down driving mechanism (332) can drive the angle rotary driving mechanism (333) and the second clamping mechanism (334) to move up and down, the angle rotary driving mechanism (333) can drive the second clamping mechanism (334) to rotate laterally, and the angle rotary driving mechanism (333) is in signal connection with the visual detection device (34).

6. The cap welding apparatus of claim 1, wherein A connecting piece feeding position (12) for connecting piece (92) feeding is arranged on the rack (1), the connecting piece feeding device (4) comprises a connecting piece material taking horizontal driving mechanism (41), a connecting piece material taking up-down driving mechanism (42) and a suction device (43), the suction device (43) is used for sucking the connecting piece (92), and the suction device (43) is arranged above the connecting piece feeding position (12) and the corresponding jig (7); The connecting piece material taking up-down driving mechanism (42) is connected to the rack (1), the connecting piece material taking horizontal driving mechanism (41) is connected to the moving end of the connecting piece material taking up-down driving mechanism (42), the suction device (43) is connected to the moving end of the connecting piece material taking horizontal driving mechanism (41), and the connecting piece material taking horizontal driving mechanism (41) can drive the suction device (43) to move between the connecting piece feeding position (12) and the jig (7).

7. The cap welding apparatus of claim 6, wherein The connecting piece feeding device (4) further comprises a second rotary disc device (44), the second rotary disc device (44) comprises a second rotary driving mechanism (441) and a second rotary disc (442), the second rotary driving mechanism (441) is in transmission connection with the second rotary disc (442), the second rotary driving mechanism (441) can drive the second rotary disc (442) to rotate laterally, at least two clip type feeders (45) are arranged on the second rotary disc (442) in a circumferential direction along an axis of the second rotary disc (442), the clip type feeder (45) can stack multiple connecting pieces (92) and send out connecting pieces (92) one by one, the second rotary disc (442) can drive the clip type feeder (45) to rotate through the connecting piece feeding position (12), and the sucker (43) can suck a single connecting piece (92) sent out by the clip type feeder (45).

8. The cap welding apparatus of claim 1, wherein, The rack (1) is provided with a cover plate unloading position (13) for unloading the cover plate (91), the unloading device (6) comprises an unloading lateral driving mechanism, an unloading up-down driving mechanism and an unloading clamping mechanism, the unloading clamping mechanism is used for clamping the connecting piece (92) and the cover plate (91) after welding, and the unloading clamping mechanism is arranged above the cover plate unloading position (13) and the corresponding jig (7); The unloading lateral driving mechanism is connected to the rack (1), the unloading up-down driving mechanism is connected to a moving end of the unloading lateral driving mechanism, the unloading clamping mechanism is connected to a moving end of the unloading up-down driving mechanism, the unloading lateral driving mechanism can drive the unloading clamping mechanism to move between the cover plate unloading position (13) and the jig (7), and the unloading up-down driving mechanism can drive the unloading clamping mechanism to move up and down.

9. The cap welding apparatus of claim 1, wherein, The jig (7) is provided with a cover plate positioning groove (71) and a connecting piece positioning groove (72), the cover plate positioning groove (71) is used for placing and positioning the cover plate (91), and the connecting piece positioning groove (72) is used for placing and positioning the connecting piece (92), the jig (7) is further provided with a positioning spring top bead (73), the positioning spring top bead (73) is arranged on a side wall of the cover plate positioning groove (71), and the positioning spring top bead (73) can abut against a side surface of the cover plate (91) placed in the cover plate positioning groove (71).

10. The cap welding apparatus of claim 1, wherein, The rack (1) is further provided with a welding pressing device, which is arranged on the lower side of the laser welding device (5), and comprises a welding pressing driving mechanism (511) and a welding pressing piece (512). The welding pressing driving mechanism (511) is in transmission connection with the welding pressing piece (512), and can drive the welding pressing piece (512) to move up and down. The welding pressing piece (512) is arranged on the upper side of the corresponding jig (7), and is used for pressing the connecting piece (92) and the cover plate (91) downward during welding. The welding pressing piece (512) is provided with a welding through hole (513) for avoiding the welding position.

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