CN111509289A

CN111509289A - Edge folding equipment and edge folding method thereof

Info

Publication number: CN111509289A
Application number: CN202010469477.XA
Authority: CN
Inventors: 梁桂庆; 吕贤炬; 陈文海
Original assignee: Super Components Engineering Dongguan Ltd
Current assignee: Super Components Engineering Dongguan Ltd
Priority date: 2020-05-28
Filing date: 2020-05-28
Publication date: 2020-08-07

Abstract

The invention relates to the technical field of battery production, in particular to a flanging device and a flanging method thereof. The battery edge folding device automatically realizes the loading, edge cutting, 90-degree edge folding, 180-degree edge folding, hot press forming, 270-degree edge folding, shaping and blanking of the battery, has high automation degree and edge folding efficiency, reduces the labor intensity and the labor cost, is always clamped on the clamping device in the whole edge folding process, ensures the position precision and the stability of the battery, has high edge folding precision and good edge folding quality, and ensures the quality of the folded battery.

Description

Edge folding equipment and edge folding method thereof

Technical Field

The invention relates to the technical field of battery production, in particular to a flanging device and a flanging method thereof.

Background

The lithium battery is a common small device for providing electric energy, and is widely applied to equipment such as mobile phones, notebook computers, automobile power, charging energy storage and the like. Along with the development of lithium batteries, aluminum plastic film soft package lithium batteries are applied more and more. The lithium battery edge folding is an important process for producing the soft package lithium battery, the edge folding effect is a key influence factor for controlling the overall dimension of the soft package battery, and the edge folding is not in place, so that whether a customer can smoothly assemble a battery finished product into an electronic equipment product is directly influenced. At present, the folding knife formula structure about some adoption of current hem technique, folding knife clearance is inconsistent from top to bottom, and the hem precision is relatively poor, scratches the plastic-aluminum membrane shell easily and leads to the weeping, is difficult to guarantee the quality of lithium cell, and the inefficiency of hem. Therefore, the drawbacks are obvious, and a solution is needed.

Disclosure of Invention

In order to solve the technical problems, the invention aims to provide the flanging device and the flanging method thereof, wherein the flanging device is high in flanging efficiency, high in flanging precision and good in quality.

In order to achieve the purpose, the invention adopts the following technical scheme:

a flanging device comprises a circulating conveying device, a plurality of material clamping devices arranged on the circulating conveying device along the conveying direction of the circulating conveying device, and a feeding and discharging device, a trimming device, a first flanging device, a second flanging device, a hot pressing device, a third flanging device and a shaping device which are sequentially arranged on the periphery of the circulating conveying device along the conveying direction of the circulating conveying device, wherein the circulating conveying device is used for conveying the plurality of material clamping devices to sequentially move to the feeding device, the trimming device, the first flanging device, the second flanging device, the hot pressing device, the third flanging device and the shaping device, the trimming device is used for trimming the side edge of a product clamped by the trimming devices, the first flanging device is used for bending the side edge of the trimmed product by 90 degrees, the second flanging device is used for bending the side edge which is bent by 90 degrees to 180 degrees again, the hot pressing device is used for hot-pressing and shaping the side edge bent to 180 degrees, the third edge bending device is used for bending the side edge bent to 180 degrees again by 90 degrees after hot-pressing and shaping, and the shaping device is used for shaping the side edge bent to 90 degrees finally.

Furthermore, the first flanging device comprises a flanging frame, an upper flanging piece, a lower flanging piece, a flanging forming mechanism and a flanging driving mechanism, wherein the lower flanging piece is arranged opposite to the upper flanging piece, the flanging forming mechanism is arranged on the outer side of the lower flanging piece or/and the outer side of the upper flanging piece, the flanging driving mechanism is arranged on the flanging frame and is used for driving the upper flanging piece to be close to or far away from the lower flanging piece, the upper flanging piece or/and the lower flanging piece to be lifted and arranged on the flanging frame, the flanging forming mechanism comprises the flanging piece and a flanging driver, the flanging driver is used for driving the flanging piece to move along the outer side wall of the upper flanging piece and the outer side wall of the lower flanging piece, and the flanging frame is arranged on one side of the circulating conveying device.

Furthermore, the number of the upper edge clamping pieces and the number of the lower edge clamping pieces are two groups, the two groups of upper edge clamping pieces are respectively arranged in a one-to-one correspondence manner with the two groups of lower edge clamping pieces, the two groups of upper edge clamping pieces are arranged in parallel and at intervals, the two groups of lower edge clamping pieces are arranged in parallel and at intervals, the number of the edge folding forming mechanisms is two groups, the two groups of edge folding forming mechanisms are arranged oppositely, and the two groups of upper edge clamping pieces and the two groups of lower edge clamping pieces are both arranged between the two groups of edge folding forming mechanisms.

Furthermore, the second flanging device comprises a support arranged on one side of the circulating conveying device, a second supporting seat arranged on the support, a rolling flanging mechanism positioned above the second supporting seat, a rolling driving mechanism arranged on the support and used for driving the rolling flanging mechanism to be in rolling contact with the supporting surface of the second supporting seat, and a supporting lifting driver arranged on the support and used for driving the second supporting seat to be close to or far away from the rolling flanging mechanism, wherein the rolling flanging mechanism comprises a mounting seat connected with the output end of the rolling driving mechanism and a plurality of rolling rollers with rolling surfaces with different tapers, the rolling rollers are rotatably arranged on the mounting seat, the central axes of the rolling rollers are on the same plane, and the tapers of the rolling surfaces of the rolling rollers are arranged from large to small along the length direction of the mounting seat.

Furthermore, the rolling and edge folding mechanism further comprises a pre-rolling wheel rotatably arranged on the mounting seat, the pre-rolling wheel is provided with a pre-rolling surface, an included angle between the central axis of the pre-rolling wheel and the central axis of the rolling roller is arranged, and the pre-rolling wheel is positioned on the outer side of the rolling roller with the maximum taper rolling surface.

Further, press from both sides the material device and include that first material piece and second press from both sides the material piece, first material piece that presss from both sides includes the rotor arm and connects in the double-layered flitch of the one end of rotor arm, the second presss from both sides the material piece and is provided with the setting element that is used for fixing a position the rotor arm, the second presss from both sides the material piece and includes the switching portion of being connected with the rotor arm rotation and connects in the material portion that presss from both sides of switching portion, switching portion and circulating conveyor drive connection, it sets up with material portion relatively to press from both sides the flitch, be connected with the piece that resets between switching portion and the rotor arm, the rotor arm is kept away from the one end that presss from both sides the flit.

Further, unloader includes feed mechanism and unloading mechanism, feed mechanism is located the feed end of cutting the limit device, unloading mechanism is located shaping device's discharge end, feed mechanism includes the material loading station and fixes the material loading driver who sets up in the material loading station, unloading mechanism includes the material unloading station and fixes the material unloading driver who sets up in the material unloading station, material loading driver and material unloading driver all are used for driving first material piece and the relative rotation of second material piece that presss from both sides.

Furthermore, feed mechanism still includes the positioner who sets up in one side of circulating conveyor, positioner includes the locating rack, installs in the location riser of locating rack, installs in the lift seat of the output of location riser, symmetrically sets up in two locating plates of lift seat and installs in the lift seat and be used for driving the location driver that two locating plates are close to or are kept away from.

Further, the circular conveying device comprises a rotation driving mechanism and a rotary disc arranged at the output end of the rotation driving mechanism, the feeding and discharging device, the edge shearing device, the first edge folding device, the second edge folding device, the hot pressing device, the third edge folding device and the shaping device are sequentially and uniformly arranged on the outer side of the rotary disc around the central axis of the rotary disc, and the plurality of material clamping devices are arranged on the rotary disc in an annular array mode.

Furthermore, the edge shearing device comprises an edge shearing seat, two edge shearing mechanisms which are connected with the edge shearing seat in a sliding manner, and an edge shearing distance adjusting mechanism which is arranged on the edge shearing seat and used for driving the two edge shearing mechanisms to approach or separate from each other; the edge shearing mechanism comprises an edge shearing frame, an upper edge shearing knife arranged on the edge shearing frame in a sliding mode, a lower knife holder arranged on the edge shearing frame in a sliding mode, an upper edge shearing driver arranged at the top of the edge shearing frame and a lower edge shearing driver arranged at the bottom of the edge shearing frame in a sliding mode, the output end of the upper edge shearing driver is connected with the upper edge shearing knife in a driving mode, the output end of the lower edge shearing driver is connected with the lower knife holder in a driving mode, the upper edge shearing knife is arranged opposite to the lower knife holder, and the upper edge shearing knife is located above the lower knife holder.

The invention also provides a flanging method of the flanging device, which comprises the following steps:

(1) when the battery is loaded at a loading station, the battery is clamped and fixed through a clamping device;

(2) when the edge shearing station is used, the edge shearing device is used for shearing and trimming two side edges of the battery;

(3) when the battery is folded at the first folding station, the two side edges of the trimmed battery are clamped through the first folding device, and then the two side edges of the clamped battery are bent to 90 degrees through the first folding device, so that the two side edges of the battery are in a right-angle state;

(4) when the secondary flanging station is used, bending the two side edges of the battery which is bent by 90 degrees to 180 degrees through a rolling roller pair of a second flanging device;

(5) in the hot-pressing station, the hot-pressing device is used for hot-pressing and shaping the side edges of the battery which is folded by 180 degrees, so that the two side edges of the battery are in an overlapped state;

(6) when the battery is folded at the third folding station, the two side edges of the trimmed battery are clamped through the first folding device or the third folding device, and then the clamped battery with 180-degree folded side edges are bent to 270 degrees through the first folding device or the third folding device, so that the two side edges of the battery are in a right-angle state;

(7) and in the shaping station, the side edges of the battery which is folded by 270 degrees are subjected to thermal shaping through a shaping device, so that the two side edges of the battery are finally shaped.

The invention has the beneficial effects that: the battery edge folding device automatically realizes the loading, edge cutting, 90-degree edge folding, 180-degree edge folding, hot press forming, 270-degree edge folding, shaping and blanking of the battery, has high automation degree and edge folding efficiency, reduces the labor intensity and the labor cost, is always clamped on the clamping device in the whole edge folding process, ensures the position precision and the stability of the battery, has high edge folding precision and good edge folding quality, and ensures the quality of the battery after edge folding.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic perspective view of a first edge folding device according to the present invention.

Fig. 3 is a schematic perspective view of the hemming forming mechanism and the lower hemming member of the present invention.

FIG. 4 is a perspective view of the hem-forming mechanism and lower hem member of the invention from another perspective.

Fig. 5 is a schematic perspective view of a second folding device according to the present invention.

Fig. 6 is a perspective view of another perspective view of the second folding device of the present invention.

Fig. 7 is a schematic perspective view of the supporting base and the supporting elevating driver of the present invention.

Fig. 8 is a schematic perspective view of the roll hemming mechanism and the longitudinal driving module of the present invention.

Fig. 9 is a schematic perspective view of the material clamping device of the present invention.

Fig. 10 is a schematic perspective view of an edge trimming apparatus according to the present invention.

Fig. 11 is a schematic perspective view of the hot press device, the positioning device and the shaping device according to the present invention.

FIG. 12 is a schematic view of the hemming process of the present invention.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 12, the invention provides a flanging device, which comprises a circulating conveying device 1, a plurality of material clamping devices 4 arranged on the circulating conveying device 1 in an arrayed manner along the conveying direction of the circulating conveying device 1, and a material loading and unloading device 5, an edge shearing device 6, a first edge folding device 2, a second edge folding device 3, a hot pressing device 7, a third edge folding device 9 and a shaping device 8 which are sequentially arranged on the periphery of the circulating conveying device 1 along the conveying direction of the circulating conveying device 1, wherein the circulating conveying device 1 is used for conveying the plurality of material clamping devices 4 to sequentially and circularly move to the upper material clamping device 5, the edge shearing device 6, the first edge folding device 2, the second edge folding device 3, the hot pressing device 7, the third edge folding device 9 and the shaping device 8, the edge shearing device 6 is used for shearing the side edge of a product clamped by the material clamping devices 4, the first edge folding device 2 is used for bending the side edge of the product subjected to edge shearing at 90 degrees, the side edge of the product is bent to 90 degrees, the second edge folding device 3 is used for bending the side edge which is bent by 90 degrees to 180 degrees, the hot pressing device 7 is used for hot pressing and shaping the side edge which is bent by 180 degrees, the third edge folding device 9 is used for bending the side edge which is bent by 180 degrees after hot pressing and shaping by 90 degrees, the side edge of the product is bent to 270 degrees, the shaping device 8 is used for shaping the side edge which is bent to 270 degrees, and the circulating conveying device 1 drives the plurality of material clamping devices 4 to move circularly. In this embodiment, the product is described by taking a battery as an example.

When the battery trimming device works actually, the circulating conveying device 1 drives the plurality of material clamping devices 4 to sequentially pass through the material feeding and discharging device 5, the edge shearing device 6, the first edge folding device 2, the second edge folding device 3, the hot pressing device 7, the third edge folding device 9 and the shaping device 8, when the circulating conveying device 1 drives the empty material clamping devices 4 to move to the material feeding and discharging device 5, the material feeding and discharging device 5 drives the material clamping devices 4 to be opened, after the material feeding and discharging device 5 or a manipulator places the battery on the opened material clamping devices 4, the material feeding and discharging device 5 drives the material clamping devices 4 to be closed so as to clamp the battery, when the material clamping devices 4 clamping the battery are moved to the edge shearing device 6, the edge shearing device 6 shears the side edge of the aluminum plastic film shell of the battery so as to trim the side edge of the aluminum plastic film shell, and when the battery after edge shearing moves to the first edge folding device 2, the first edge folding device 2 bends the side edge of the aluminum plastic film shell of the battery for 90 degrees or approximately 90 degrees, so that the aluminum plastic film shell of the battery is provided with a 90-degree folded side edge (first edge folding), when the battery after 90-degree edge folding moves to the second edge folding device 3, the second edge folding device 3 bends the 90-degree folded side edge for 180 degrees (second edge folding), so that the side edge of the aluminum plastic film shell of the battery is in an overlapped state, when the battery after overlapped edge folding moves to the hot pressing device 7, the hot pressing device 7 carries out hot pressing and shaping on the overlapped side edge, the overlapped side edge is prevented from rebounding and opening, the quality of the overlapped edge folding is ensured, when the battery after hot pressing and shaping moves to the third edge folding device 9, the third edge folding device 9 bends the overlapped side edge after hot pressing and shaping for 90 degrees, so that the side edge bent to 180 degrees is bent to 270 degrees (third edge folding), when the battery after 270 degrees hem moves to shaping device 8 department, shaping device 8's output is contradicted 270 degrees sides of battery, in order to carry out the plastic with 270 degrees sides of battery, make 270 degrees sides of battery finalize the design finally, avoid the side after the hem of the third time to kick-back and open the deformation, when the battery after the plastic moves to 5 departments of last unloader, unloader 5 drive clamp 4 opens, unloader 5 or manipulator pick up the battery after the plastic and take out clamp 4 (unloading), and will treat the battery of hem and place on empty clamp 4, repeat above-mentioned operating procedure, carry out hem processing with the battery of treating the hem ceaselessly.

The battery edge folding device automatically realizes the loading, edge cutting, 90-degree edge folding, 180-degree edge folding, hot press forming, 270-degree edge folding, shaping and blanking of the battery, has high automation degree and edge folding efficiency, reduces the labor intensity and the labor cost, is always clamped on the clamping device 4 in the whole edge folding process, ensures the position precision and the stability of the battery, has high edge folding precision and good edge folding quality, and ensures the quality of the battery after edge folding.

In this embodiment, the first folding device 2 includes a folding frame 21, an upper clamping member 22, a lower clamping member 23 disposed opposite to the upper clamping member 22, a folding forming mechanism 24 disposed outside the lower clamping member 23 or/and outside the upper clamping member 22, and a clamping driving mechanism 26 disposed on the folding frame 21 and used for driving the upper clamping member 22 and the lower clamping member 23 to approach or separate from each other, the upper clamping edge piece 22 or/and the lower clamping edge piece 23 is/are arranged on the folding frame 21 in a lifting way, the folding forming mechanism 24 comprises a folding piece 241 and a folding driver 242, the hemming driver 242 serves to drive the hemming member 241 to move along the outer side wall of the upper clamping member 22 and the outer side wall of the lower clamping member 23, the folding frame 21 is arranged on one side of the circulating conveying device 1, and the outer side wall of the upper edge clamping piece 22 and the outer side wall of the lower edge clamping piece 23 are both provided with vertical surfaces abutting against the folding pieces 241.

In actual operation, the clamping driving mechanism 26 drives the upper clamping edge piece 22 and the lower clamping edge piece 23 to move away from each other, so that the upper clamping edge piece 22 and the lower clamping edge piece 23 are in an open state, the clamping device 4 clamps the edge-cut battery between the upper clamping edge piece 22 and the lower clamping edge piece 23, so that the side of the aluminum-plastic film shell is located between the upper clamping edge piece 22 and the lower clamping edge piece 23, then the clamping driving mechanism 26 drives the upper clamping edge piece 22 and the lower clamping edge piece 23 to move close to each other until the upper clamping edge piece 22 and the lower clamping edge piece 23 clamp the side of the aluminum-plastic film shell, the upper clamping edge piece 22 and the lower clamping edge piece 23 are in a closed state, the side of the aluminum-plastic film shell protrudes out of the upper clamping edge piece 22 and the lower clamping edge piece 23, so that the edge folding piece 241 is located below or above the side of the aluminum-plastic film shell, preferably, the starting position of the folding piece 241 is located below the side of the aluminum-plastic film shell from bottom to top, at this moment, hem driver 242 forerunner moves hem spare 241 and removes near the lateral wall of lower hem spare 23, conflict until hem spare 241 and the lateral wall of lower hem spare 23, then hem driver 242 drives hem spare 241 again and removes towards the direction of the side that is close to the plastic-aluminum membrane shell, hem spare 241 removes along vertical face, make hem spare 241 carry out the hem to the side of plastic-aluminum membrane shell, thereby make the side and the vertical face laminating of being rolled up the plastic-aluminum membrane shell, the side of being rolled over into 90 until the plastic-aluminum membrane shell, thereby the completion carries out hem processing for the first time to the side of plastic-aluminum membrane shell. First hem device 2's simple structure, earlier through last contained side piece 22 with the side of lower contained side piece 23 cooperation with centre gripping plastic-aluminum membrane shell, guarantee the stability and the position accuracy of the side of plastic-aluminum membrane shell, make the phenomenon that the aversion can not appear in the side of the in-process plastic-aluminum membrane shell of hem, rethread hem piece 241 carries out the hem processing to the side of the plastic-aluminum membrane shell after by the centre gripping, and at the in-process of hem, hem piece 241 removes along the lateral wall of last contained side piece 22 or the lateral wall of lower contained side piece 23, the mobility stability of hem piece 241 has been improved, the hem is stable, the precision of hem has been guaranteed, the hem is of high quality, high efficiency. Specifically, the structure of the third folding device 9 is the same as that of the first folding device 2, and is not described in detail here.

In this embodiment, the number of the upper clamping pieces 22 and the number of the lower clamping pieces 23 are two sets, two sets of the upper clamping pieces 22 are respectively arranged in one-to-one correspondence with two sets of the lower clamping pieces 23, the two sets of the upper clamping pieces 22 are arranged in parallel and at intervals, the distance between the two sets of the upper clamping pieces 22 is adjustable, the two sets of the lower clamping pieces 23 are arranged in parallel and at intervals, the distance between the two sets of the lower clamping pieces 23 is adjustable, the number of the folding edge forming mechanisms 24 is two sets, the two sets of folding edge forming mechanisms 24 are arranged oppositely, and the two sets of the upper clamping pieces 22 and the two sets of the lower clamping pieces 23 are both located between the two sets of the folding edge forming.

During actual work, the clamping device 4 clamps the battery between the upper edge clamping piece 22 and the lower edge clamping piece 23, the battery is positioned between the two groups of upper edge clamping pieces 22 or/and the two groups of lower edge clamping pieces 23, the group of lower edge clamping pieces 23 is matched with the group of lower edge clamping pieces 23 to clamp one side edge of the aluminum-plastic film shell, and the edge folding piece 241 of the group of edge folding forming mechanism 24 folds one side edge of the aluminum-plastic film shell; by the structural design, the aluminum-plastic film shell edge folding machine can synchronously carry out 90-degree edge folding processing on two side edges of the aluminum-plastic film shell at one time, and greatly improves the first edge folding efficiency.

Because the plastic-aluminum membrane shell embeds there is electric core, so the middle part thickness of battery will be thicker than the thickness of the side of battery, in order to let the position of the side of going up double-layered

limit piece

22 and 23 centre gripping plastic-aluminum membrane shell down be close to the side of electric core as far as possible, so in this embodiment, the concave groove 231 of dodging down that is equipped with in top of double-layered limit piece 23 down, go up the concave groove of dodging that is equipped with in bottom of double-layered limit piece 22, dodge the inside wall that groove 231 is located lower double-layered limit piece 23 down, on dodge the inside wall that the groove is located upper double-layered limit piece 22, on dodge the groove can with dodge groove 231 intercommunication down. When the side of last contained side spare 22 and 23 centre gripping plastic-aluminum membrane shells of lower contained side spare, the middle part of plastic-aluminum membrane shell holds respectively to locate on dodge the groove and dodge the groove 231 down in, on dodge the groove and dodge the groove 231 down and not only for the battery provides dodge the space, can also improve the stability of battery, and dodge the groove 231 down and can provide the holding power for the battery.

Specifically, the folding member 241 is a folding roller rotatably disposed at the output end of the folding driver 242, and the folding roller is in rolling contact with the outer sidewall of the upper clamping member 22 or the outer sidewall of the lower clamping member 23; after the lateral wall of hemming roller and last contained side piece 22 supported, hem driver 242 drive hemming roller moved near the side of plastic-aluminum membrane shell for the hem roller rolls along the lateral wall of last contained side piece 22 or the lateral wall of lower contained side piece 23, thereby rolls the book to the side of plastic-aluminum membrane shell, adopts the mode of rolling the book, can avoid scratch plastic-aluminum membrane shell and lead to the weeping when the hem, has improved the quality of hem.

Specifically, the hemming forming mechanism 24 further includes a support assembly 25 for supporting a middle portion of the hemming member 241, and the support assembly 25 is disposed at an output end of the hemming driver 242 and is located on a side of the hemming member 241 far away from the lower clamping member 23. Because hem piece 241 is rectangular form, so support the middle part of hem piece 241 through supporting component 25, prevent hem piece 241 bending deformation, the quality of 90 hem has been guaranteed to the side of plastic-aluminum membrane shell to the life of extension hem piece 241.

Specifically, the supporting assembly 25 includes a first supporting seat 251 installed on the fixing seat 245, a supporting arc surface 252 having the same radian as the hemming roller is concavely disposed on one side of the first supporting seat 251 close to the hemming roller, so that the first supporting seat 251 and the hemming roller are compact in structure, the first supporting seat 251 is rotatably connected with a plurality of first rollers 253, the plurality of first rollers 253 are distributed along the arc length of the supporting arc surface 252, and the first rollers 253 are in rolling contact with the hemming roller. Through rolling conflict of first gyro wheel 253 and hem roller, avoided first supporting seat 251 and hem roller direct contact, reduced the frictional force that the hem roller received, reduced the wearing and tearing of hem roller, the life of extension hem roller has guaranteed to carry out the quality of 90 hem to the side of plastic-aluminum membrane shell.

Specifically, the edge-clamping driving mechanism 26 includes an upper edge-clamping driving assembly 261 and a lower edge-clamping driving assembly 262 both mounted on the edge-folding frame 21, the upper edge-clamping member 22 is mounted on the output end of the upper edge-clamping driving assembly 261, and the edge-folding driver 242 and the lower edge-clamping member 23 are mounted on the output end of the lower edge-clamping driving assembly 262. The upper edge clamping driving assembly 261 drives the upper edge clamping piece 22 to move up and down, the lower edge clamping driving assembly 262 drives the lower edge clamping piece 23 and the folding edge forming mechanism 24 to move up and down synchronously, flexibility of the upper edge clamping piece 22 and the lower edge clamping piece 23 is improved, the upper edge clamping piece 22 and the lower edge clamping piece 23 can be close to or far away from each other to move, efficiency of clamping the side edges of the aluminum-plastic film shell by the upper edge clamping piece 22 and the lower edge clamping piece 23 is improved, the clamping device 4 is convenient to clamp the battery between the two groups of upper edge clamping pieces 22 or/and the two groups of lower edge clamping pieces 23, or the clamping device 4 is convenient to move the battery out from the two groups of upper edge clamping pieces 22 or/and the two groups of lower edge clamping pieces 23.

Specifically, the hemming driver 242 includes a longitudinal driving member 243 disposed at an output end of the lower hemming driving member 262, a transverse driving member 244 disposed at an output end of the longitudinal driving member 243, and a fixing base 245 disposed at an output end of the transverse driving member 244, and the hemming member 241 is rotatably connected to the fixing base 245. Specifically, the longitudinal driving assembly 243 includes a longitudinal cylinder 334 and a longitudinal moving plate installed on a piston rod of the longitudinal cylinder 334, the transverse driving assembly 244 includes a transverse cylinder, the fixing seat 245 is installed on a piston rod of the transverse cylinder, a cylinder body of the transverse cylinder is installed on the longitudinal moving plate, the fixing seat 245 is slidably connected with the longitudinal moving plate, a cylinder body of the longitudinal cylinder 334 is installed on the adjusting seat 2623, the longitudinal moving plate is installed with a transverse damping member 2625, and the transverse damping member 2625 is used for abutting against the fixing seat 245 to limit a transverse position of the fixing seat 245.

After the side of last contained side spare 22 and lower contained side spare 23 centre gripping plastic-aluminum membrane shell, horizontal drive assembly 244 drive hem spare 241 is close to lower contained side spare 23 and removes, contradicts with lower contained side spare 23 until hem spare 241, then vertical drive assembly 243 drive horizontal drive assembly 244 with hem spare 241 shifts up along the lateral wall of lower contained side spare 23 for hem spare 241 rolls the side of plastic-aluminum membrane shell to laminating with the lateral wall of last contained side spare 22.

In this embodiment, the lower clipping driving assembly 262 includes a lower clipping cylinder 2621 installed on the clipping frame 21, a lower lifting plate 2622 installed on a piston rod of the lower clipping cylinder 2621, an adjusting seat 2623 slidably connected to the lower lifting plate 2622, and a traverse adjusting assembly 2624 installed on the lower lifting plate 2622, wherein an output end of the traverse adjusting assembly 2624 is connected to the adjusting seat 2623, the traverse adjusting assembly 2624 is used for adjusting a transverse position of the adjusting seat 2623 on the lower lifting plate 2622, the lower lifting plate 2622 is slidably connected to the clipping frame 21, and the clipping driver 242 and the lower clipping member 23 are both installed on the adjusting seat 2623; specifically, the number of the adjusting seats 2623 and the number of the traverse adjusting assemblies 2624 are two, the two sets of lower clamping pieces 23 are respectively installed on the two adjusting seats 2623, the two traverse adjusting assemblies 2624 are respectively connected with the two adjusting seats 2623 in a driving manner, and the traverse adjusting assemblies 2624 may adopt a screw and nut structure or an existing distance adjusting mechanism. The distance between the two sets of lower crimping pieces 23 can be adjusted by the traverse adjusting assembly 2624 according to the width of the battery.

In this embodiment, the upper clamping driving assembly 261 includes an upper clamping cylinder 2611 installed on the hemming frame 21 and an upper lifting plate 2612 installed on a piston rod of the upper clamping cylinder 2611, the upper clamping member 22 is installed on the upper lifting plate 2612, and the upper lifting plate 2612 is slidably connected with the hemming frame 21. In actual operation, the upper edge clamping cylinder 2611 drives the upper lifting plate 2612 to lift, and the lifting plate 2612 drives the upper edge clamping member 22 to move up and down.

Specifically, the top of the upper lifting plate 2612 is provided with an upper limiting member 2613, the top of the hemming frame 21 is provided with a lower limiting member 2614 which is in interference fit with the upper limiting member 2613, and the lower limiting member 2614 is a damper. Contradict with last spacing piece 2613 through lower spacing piece 2614 to carry on spacingly to the decline position that goes up and descend board 2612, avoid last contained side spare 22 and lower contained side spare 23 centre gripping plastic-aluminum membrane shell's clamping-force too big and damage plastic-aluminum membrane shell.

In this embodiment, the second flanging device 3 includes a bracket 36 disposed at one side of the circulating conveyor 1, a second supporting seat 31 disposed on the bracket 36, a hemming mechanism 32 disposed above the second supporting seat 31, a hemming driving mechanism 33 disposed on the bracket 36 and used for driving the hemming mechanism 32 to contact with the supporting surface of the second supporting seat 31 in a rolling manner, and a supporting elevating driver 34 disposed on the bracket 36 and used for driving the second supporting seat 31 to approach or depart from the hemming roller 322 of the hemming mechanism 32, the hemming mechanism 32 includes a mounting seat 321 connected to an output end of the hemming driving mechanism 33, and a plurality of rollers 322 rotatably disposed on the mounting seat 321 and having different tapered hemming surfaces 323, central axes of the plurality of rollers 322 are on the same horizontal plane, tapers of the hemming surfaces 323 of the plurality of rollers 322 are arranged from large to small along a length direction of the mounting seat 321, the arrangement direction of the conicity of the rolling surfaces 323 of the plurality of rolling rollers 322 is the same as the direction of rolling the overlapped hems from large to small, namely the rolling rollers 322 roll from outside to inside along the mounting seat 321.

In actual operation, the rolling driving mechanism 33 drives the mounting seat 321 with the plurality of rolling rollers 322 to be far away from the second supporting seat 31, the supporting lifting driver 34 drives the second supporting seat 31 to be far away from the rolling rollers 322, so that the rolling rollers 322 and the second supporting seat 31 are in an open state, the clamping device 4 clamps the battery between the second supporting seat 31 and the rolling and flanging mechanism 32, so that the 90-degree side edge of the battery aluminum-plastic film shell is located between the second supporting seat 31 and the rolling rollers 322, the second supporting seat 31 supports the 90-degree side edge of the battery aluminum-plastic film shell of the battery, the supporting lifting driver 34 drives the second supporting seat 31 to be close to the rolling rollers 322, and simultaneously the rolling driving mechanism 33 drives the mounting seat 321 with the plurality of rolling rollers 322 to move close to the 90-degree side edge of the battery aluminum-plastic film shell until the rolling rollers 322 with the largest taper rolling surface 323 first abut against the 90-degree side edge of the battery aluminum-plastic film shell and the supporting surface of the second supporting seat 31, make the roll extrusion running roller 322 and second supporting seat 31 be in the closure state, roll extrusion actuating mechanism 33 drive mount pad 321 rolls along the holding surface of second supporting seat 31 with a plurality of roll extrusion running rollers 322 this moment, in order to fold the hem with the 90 side roll extrusion of battery plastic-aluminum membrane shell, because the tapering of the roll extrusion face 323 of a plurality of roll extrusion running rollers 322 is arranged from big to little, so at the in-process of fold hem of roll extrusion, the contained angle of the 90 side of battery plastic-aluminum membrane shell reduces gradually, until the side of battery plastic-aluminum membrane shell is in the state of coincide, thereby accomplish and carry out the fold hem processing to the 90 side of battery plastic-aluminum membrane shell. The second flanging device 3 is simple in structure, a plurality of rolling rollers 322 with different taper rolling surfaces 323 roll on the supporting surface of the second supporting seat 31 to fold and flange 90-degree side edges of the battery aluminum plastic film shell, the stability of the flanging is good, the flanging efficiency is high, the precision of the flanging is guaranteed, and the flanging quality is good.

Specifically, when the number of the rolling and flanging mechanisms 32 is two, the two rolling and flanging mechanisms 32 are symmetrically connected to the output end of the rolling and driving mechanism 33, the rolling and driving mechanism 33 drives the two rolling and flanging mechanisms 32 to respectively perform overlapped flanging on two 90-degree side edges of the aluminum-plastic film shell of the battery, so that the overlapped flanging on two sides of the battery can be completed at one time, and the efficiency of overlapped flanging is greatly improved.

Specifically, the mounting seat 321 includes a base plate 324 slidably connected to the moving plate 333, a first adjusting plate 325 slidably connected to the base plate 324, and a first positioning assembly 326 mounted on the base plate 324, wherein the first adjusting plate 325 is mounted at an output end of the first positioning assembly 326, and the plurality of rolling rollers 322 are rotatably connected to the first adjusting plate 325. Adjusting the lateral position of the plurality of nip rollers 322 by aligning the first adjustment plate 325 on the base plate 324 by the first aligning assembly 326; when the number of the rolling and folding mechanisms 32 is two, the distance between the rolling rollers 322 of the two rolling and folding mechanisms 32 can be adjusted by the first positioning assembly 326 according to the width of the battery to be folded, so as to be suitable for rolling, folding and folding the batteries with different width specifications.

Specifically, the first positioning assembly 326 includes a screw rod rotatably connected to the base plate 324 and a moving nut threadedly connected to the screw rod, the moving nut is mounted on the first adjusting plate 325, a central axis of the screw rod is parallel to a central axis of the rolling roller 322, and a driving member is mounted at an end of the screw rod away from the first adjusting plate 325, and the driving member is a handwheel or a motor. During actual adjustment, the driving member drives the screw rod to rotate, and the screw rod is connected with the moving nut in a threaded manner, so that the moving nut drives the first adjusting plate 325 to move along the screw rod, and the moving first adjusting plate 325 drives the plurality of rolling rollers 322 to move, so as to adjust the transverse positions of the plurality of rolling rollers 322.

In order to further improve the stability of the rolled folded edge and the quality of the folded edge, in this embodiment, the rolled edge folding mechanism 32 further includes a pre-roller 327 rotatably disposed on the mounting seat 321, the pre-roller 327 is provided with a pre-rolling surface 328, an included angle between a central axis of the pre-roller 327 and a central axis of the rolled roller 322 is set, and the pre-roller 327 is located at an outer side of the rolled roller 322 having the maximum tapered rolled surface 323. Specifically, the central axis of the pre-roller 327 is vertically arranged, the pre-rolling surface 328 is a conical surface, and the pre-roller 327 is rotatably connected to the first adjusting plate 325. Before the rolling roller 322 rolls the 90-degree side edge of the battery aluminum-plastic film shell, the pre-rolling roller 327 rolls the 90-degree side edge of the battery aluminum-plastic film shell for a certain angle in advance, so as to play a role in guiding and transition, and ensure the precision and quality of rolling, folding and folding the side edge of the battery aluminum-plastic film shell by the rolling roller 322.

Specifically, the second support seat 31 includes two support plates 311, the two support plates 311 are parallel and spaced apart from each other, and the two support plates 311 are respectively disposed in one-to-one correspondence with the two rolling and flanging mechanisms 32. In actual operation, the pre-rolling wheel 327 and the rolling-pressing roller 322 of one rolling-pressing edge-folding mechanism 32 are in rolling contact with the supporting surface of one supporting plate 311 to fold and fold a 90-degree side edge of the aluminum-plastic film shell of the battery.

Specifically, the second support seat 31 further includes a bottom plate 312, a positioning mechanism and two second adjusting plates 314, the two second adjusting plates 314 are symmetrically and slidably connected to the bottom plate 312, the positioning mechanism is installed on the bottom plate 312, the positioning mechanism is used for adjusting the distance between the two second adjusting plates 314, and the two support plates 311 are respectively installed on the two second adjusting plates 314. Specifically, the positioning mechanism includes two second positioning assemblies 313, the two second positioning assemblies 313 are respectively in driving connection with the two second adjusting plates 314, and the structure of the second positioning assemblies 313 is the same as that of the first positioning assemblies 326. According to the batteries of different width specifications, adjust the distance between two second regulating plates 314 through positioning mechanism to make two backup pads 311 can support the side of the battery of different width specifications, application range is wide.

Specifically, the supporting lifting driver 34 is an air cylinder, and the bottom plate 312 is connected to a piston rod of the air cylinder. The second supporting seat 31 is driven to ascend and descend by the supporting ascending and descending driver 34, so that the flexibility of the second supporting seat 31 is improved, the clamping device 4 can conveniently clamp the battery between the second supporting seat 31 and the rolling and flanging mechanism 32, and the second supporting seat 31 can conveniently support the side edge of the battery; the guide rod 341 is installed on the bottom plate 312, the guide sleeve 342 is installed on the bracket 36, and the guide rod 341 is connected with the guide sleeve 342 in a sliding manner, so that the lifting stability of the bottom plate 312 is improved.

Specifically, the rolling driving mechanism 33 includes a transverse driving module 331 installed on the bracket 36 and a longitudinal driving module 332 installed at an output end of the transverse driving module 331, and the mounting seat 321 is connected with an output end of the longitudinal driving module 332; the longitudinal driving module 332 comprises a moving plate 333 in driving connection with the transverse driving module 331 and two longitudinal cylinders 334 installed on the moving plate 333, the installation seats 321 of the two rolling and flanging mechanisms 32 are respectively connected to the piston rods of the two longitudinal cylinders 334, the driving direction of the transverse driving module 331 is parallel to the length direction of the supporting plate 311, and the driving direction of the longitudinal driving module 332 is vertical. The longitudinal driving module 332 is used for driving the plurality of rolling rollers 322 to abut against the supporting surface of the supporting plate 311, and the transverse driving module 331 is used for driving the plurality of rolling rollers 322 to roll along the supporting surface of the supporting plate 311.

Specifically, the second flanging device 3 further includes a pressing mechanism 35 located at one side of the second supporting seat 31, the pressing mechanism 35 is mounted on the bracket 36, the pressing mechanism 35 includes a pressing supporting block 351 mounted on the second supporting seat 31, a pressing driver 352 mounted on the bracket 36, and a pressing plate 353 mounted at an output end of the pressing driver 352, the pressing plate 353 is located above the pressing supporting block 351, the pressing driver 352 is used for driving the pressing plate 353 to approach or separate from the pressing supporting block 351, and the pressing driver 352 is an air cylinder. Before the rolling roller 322 rolls, overlaps and folds the 90-degree side edge of the battery aluminum-plastic film shell, the pressing driver 352 of the pressing mechanism 35 drives the pressing plate 353 to move close to the pressing support block 351 until the pressing plate 353 presses the pole piece of the battery on the pressing support block 351, so that the stability of the battery in the process of rolling, overlapping and folding is ensured, and the quality of the rolling, overlapping and folding is further improved.

In this embodiment, the material clamping device 4 includes a first material clamping member 41 and a second material clamping member 42, the first material clamping member 41 includes a rotating arm 411 and a material clamping plate 412 connected to one end of the rotating arm 411, the second material clamping member 42 is provided with a positioning member 43 for positioning the rotating arm 411, the second material clamping member 42 includes an adapter portion 421 rotatably connected to the rotating arm 411 and a material clamping portion 422 connected to the adapter portion 421, the adapter portion 421 is drivingly connected to the circulating conveyor 1, the material clamping portion 422 protrudes out of the circulating conveyor 1, the material clamping plate 412 and the material clamping portion 422 are arranged opposite to each other, a reset member 47 is connected between the adapter portion 421 and the rotating arm 411, a driving portion 413 extends from one end of the rotating arm 411, which is far away from the material clamping plate 412, the material loading and unloading device 5 includes a loading mechanism 51 and an unloading mechanism 52, the loading mechanism 51 is located at a feeding end of the trimming device 6, the blanking mechanism 52 is located at the discharging end of the shaping device 8, the feeding mechanism 51 includes a feeding station 511 and a feeding driver 512 fixedly arranged on the feeding station 511, the blanking mechanism 52 includes a blanking station 521 and a blanking driver 522 fixedly arranged on the blanking station 521, the feeding driver 512 and the blanking driver 522 are both used for driving the first clamping piece 41 and the second clamping piece 42 to rotate relatively, and a driving portion 413 extends from one end of the rotating arm 411 far away from the clamping plate 412.

In practical application, when the clamping device 4 clamps the battery and moves to the blanking station 521 of the blanking mechanism 52, the blanking driver 522 applies a driving force to the driving portion 413 of the rotating arm 411, so that the first clamping member 41 rotates in a direction away from the second clamping member 42, so that the clamping plate 412 and the clamping portion 422 are in an open state, after the battery is taken out from between the clamping plate 412 and the clamping portion 422 by a manual or a mechanical arm, the blanking driver 522 releases the driving force to the driving portion 413, that is, the driving force is not applied to the driving portion 413, the first clamping member 41 relatively rotates in a direction close to the second clamping member 42 under the action of the resetting force of the resetting member 47 until the clamping plate 412 and the clamping portion 422 are closed, and at this time, the positioning member 43 positions the rotating arm 411, thereby improving the position accuracy and stability of the first clamping member 41. When the empty clamping device 4 moves to the loading station 511 of the loading mechanism 51, the loading driver 512 applies a driving force to the driving part 413 of the rotating arm 411, so that the first clamping member 41 rotates in a direction away from the second clamping member 42, so that the material clamping plate 412 and the material clamping part 422 are in an open state, a manual or mechanical hand places the battery between the material clamping plate 412 and the material clamping part 422, the feeding driver 512 releases the driving force to the driving part 413, that is, no driving force is applied to the driving portion 413, the first clamping member 41 relatively rotates in the direction close to the second clamping member 42 under the action of the resetting force of the resetting member 47 until the battery is clamped by the material clamping plate 412 and the material clamping portion 422, and at this time, the positioning member 43 positions the rotating arm 411, so that the position accuracy and stability of the first clamping member 41 are improved, and the stability of clamping the battery by the first clamping member 41 and the second clamping member 42 is ensured.

Specifically, the positioning element 43 is a sponge element or a rubber element, so that the positioning element 43 is relatively soft or has certain elasticity, and plays a role in buffering protection and shock absorption on the rotating arm 411, thereby avoiding damage or noise caused by hard impact collision; the protective layer 44 is attached to the side, close to each other, of each material clamping plate 412 and each material clamping portion 422, and the protective layer 44 protects the batteries to prevent the batteries from being damaged or damaged by clamping. Specifically, the protective layer 44 is a sponge layer or a rubber layer, so that the protective layer 44 is relatively soft or has certain elasticity, and plays a role in buffering and protecting the battery. Specifically, the material clamping part 422 is embedded with a suction nozzle 45, and the suction nozzle 45 is exposed from the protective layer 44. Specifically, the number of the suction nozzles 45 is one or more, the plurality of suction nozzles 45 are arranged along the length direction of the material clamping portion 422, and the material clamping portion 422 is in a flat plate shape. After the battery is placed on the material clamping part 422, the suction nozzle 45 sucks the battery tightly on the material clamping part 422, and then the material clamping plate 412 and the material clamping part 422 clamp the battery; the battery is tightly sucked through the suction nozzle 45, the stability of the battery placed on the material clamping part 422 is guaranteed, the position precision is good, and therefore the stability of material clamping is improved. Specifically, an air passage is arranged in the material clamping portion 422, an air inlet of the air passage is communicated with an air pipe head, the air pipe is communicated with a vacuumizing mechanism (such as a vacuum pump) and one end of each suction nozzle 45 is communicated with the air passage, and the air passage is arranged in the material clamping portion 422, so that compared with the connection of the air pipe, the structure is compact and neat, the appearance is attractive, the using amount of the air pipe is saved, and the using and maintaining cost is reduced.

Specifically, the positioning element 43 is concavely provided with a positioning groove 431 for accommodating the rotating arm 411, when the rotating arm 411 is accommodated in the positioning groove 431, the inner wall of the positioning groove 431 abuts against the outer side of the rotating arm 411 to position the rotating arm 411; the open end of the positioning groove 431 is provided with a guide surface 432, the guide surface 432 is arc-shaped, and the guide surface 432 plays a role in correcting and guiding the rotating arm 411 so as to improve the stability of the battery clamped by the first clamping piece 41 and the second clamping piece 42.

Specifically, a rotating lug 414 is convexly arranged on one side of the rotating arm 411 close to the switching part 421, the rotating lug 414 is perpendicular to the rotating arm 411, the switching part 421 is provided with a rotating space 423, the inner side wall of the rotating space 423 is rotatably connected with the rotating lug 414, the rotating lug 414 can rotate in the rotating space 423, the rotating space 423 is a space for improving the rotation of the rotating lug 414, and the rotating lug 414 protrudes into the rotating space 423, so that the first clamping piece 41 and the second clamping piece 42 are compact in structure; the rotating arm 411, the driving portion 413 and the rotating lug 414 are of an integral structure, and the second clamping member 42 is of an integral structure.

Specifically, the rotation space 423 is an open slot or a switching hole; when the rotating space 423 is an open slot, the open slot is formed by recessing the side of the rotation part 421 away from the material clamping part 422, which is convenient for processing and forming; when the rotating space 423 is a transferring hole, the transferring hole may be a through hole or a blind hole, the cross section of the transferring hole is rectangular, the side wall of the transferring hole can limit the rotating angle of the transferring lug 414, so as to ensure that the first clamping member 41 rotates within a preset rotating angle, the transferring lug 414 is rotatably connected with the transferring part 421 via a rotating shaft 694, the rotating shaft 694 is installed on the transferring part 421 and penetrates through the rotating space 423, a bearing is embedded in the transferring lug 414, and the bearing is sleeved outside the rotating shaft 694 and is rotatably connected with the rotating shaft 694 through the bearing, so that the transferring lug 414 rotates smoothly.

Specifically, the driving portion 413 protrudes out of the adapting portion 421, and the driving portion 413 is rotatably connected with a second roller 46; specifically, the rotating arm 411 and the driving portion 413 are arranged in a coplanar manner, the feeding driver 512 and the discharging driver 522 both include a driving cylinder and a pressing plate mounted on a piston rod of the driving cylinder, the pressing plate is located above the driving portion 413, and the pressing plate is used for rolling and abutting against the second roller 46; specifically, reset 47 is the extension spring, connecting piece 49 has been installed to one side that the portion 421 is kept away from to rotor arm 411, the one end and the portion 421 of switching of extension spring are connected, the other end and the connecting piece 49 of extension spring rotate to be connected, the quantity of extension spring is two, and two extension springs are located the both sides of rotor arm 411 respectively, have improved the stability of centre gripping battery.

In practical application, the piston rod of the driving cylinder extends and drives the pressing plate to move close to the driving portion 413 until the pressing plate abuts against the second roller 46 to apply a downward force to the driving portion 413, so that the material clamping plate 412 rotates in a direction away from the material clamping portion 422, and the resetting piece 47 is stretched; when the piston rod of the driving cylinder contracts and drives the pressing plate to move away from the driving part 413, the pressing plate does not interfere with the second roller 46, i.e. a downward force is not applied to the driving part 413, and the first material clamping member 41 is reset and rotated by the resilience force of the resetting member 47, so that the material clamping plate 412 rotates towards the direction close to the material clamping part 422. The second roller 46 is in rolling contact with the pressing plate, so that the abrasion of the pressing plate is reduced, and the service life is prolonged.

In this embodiment, the feeding mechanism 51 further includes a positioning device 513 disposed on one side of the circulating conveying device 1, and the positioning device 513 includes a positioning frame 514, a positioning lifter 515 disposed on the positioning frame 514, a lifting seat 516 disposed on an output end of the positioning lifter 515, two positioning plates 517 symmetrically slidably disposed on the lifting seat 516, and a positioning driver 518 disposed on the lifting seat 516 and configured to drive the two positioning plates 517 to approach or depart from each other.

The material loading driver 512 of the material loading mechanism 51 drives the material clamping device 4 to open, when the material clamping device 4 is between two positioning plates 517 and in an open state, a worker or a mechanical arm places the battery on the material clamping device 4 which is in the open state, and simultaneously the lifter drives the lifting seat 516 to move up together with the two positioning plates 517 until the two side edges of the aluminum plastic film shell of the battery correspond to the two positioning plates 517 respectively, then the positioning driver 518 drives the two positioning plates 517 to move close to each other until the two positioning plates 517 respectively abut against the two side edges of the aluminum plastic film shell, thereby correcting and positioning the position of the battery on the material clamping device 4, finally the material loading driver 512 of the material loading mechanism 51 releases the driving force for the material clamping device 4 to reset and clamp the battery. Before the clamping device 4 clamps the battery, the battery on the clamping device 4 is positioned by the positioning device 513, so that the position accuracy of the battery on the clamping device 4 is ensured, and the flanging quality is improved.

Specifically, the positioning lifter 515 is an air cylinder, the positioning driver 518 includes two symmetrically arranged air cylinders, a pair of photoelectric sensors 519 are respectively installed on the two positioning plates 517, and the photoelectric sensors 519 are electrically connected with the positioning driver 518. A locating plate 517 facial make-up is equipped with a pair of photoelectric sensor 519, responds to through photoelectric sensor 519 to the side position of plastic-aluminum membrane shell or battery main body and detects to the position that control location driver 518 drive locating plate 517 removed avoids two locating plates 517 excessively to remove and crushes by pressure or the side of pressure deformation plastic-aluminum membrane shell.

In this embodiment, the circulating conveyor 1 includes a rotation driving mechanism and a turntable mounted at an output end of the rotation driving mechanism, the rotation driving mechanism drives the turntable to intermittently rotate, the feeding and discharging device 5, the edge shearing device 6, the first edge folding device 2, the second edge folding device 3, the hot pressing device 7, the third edge folding device 9 and the shaping device 8 are sequentially and uniformly arranged outside the turntable around a central axis of the turntable, the plurality of material clamping devices 4 are mounted on the turntable in an annular array, and material clamping ends of the material clamping devices 4 protrude out of the turntable; the material clamping devices 4 are circularly conveyed by adopting a rotating disc type structure, so that the structure of the invention is compact. Or, the circulating conveying device 1 comprises a rotating driving mechanism and a transmission belt wound on the rotating driving mechanism, the rotating driving mechanism drives the transmission belt to rotate intermittently in a circulating manner, and the plurality of material clamping devices 4 are arranged in the transmission belt in a linear manner.

In this embodiment, the trimming device 6 includes a trimming base 61, two trimming mechanisms 62 both slidably connected to the trimming base 61, and a trimming distance adjusting mechanism 63 installed on the trimming base 61 and used for driving the two trimming mechanisms 62 to approach or move away from each other; the trimming mechanism 62 includes a trimming frame 64, an upper trimming knife 65 slidably disposed on the trimming frame 64, a lower knife holder 66 slidably disposed on the trimming frame 64, an upper trimming driver 67 mounted at the top of the trimming frame 64, and a lower trimming driver 68 mounted at the bottom of the trimming frame 64, wherein the output end of the upper trimming driver 67 is drivingly connected to the upper trimming knife 65, the output end of the lower trimming driver 68 is drivingly connected to the lower knife holder 66, the upper trimming knife 65 is disposed opposite to the lower knife holder 66, and the upper trimming knife 65 is disposed above the lower knife holder 66. The trimming and distance adjusting mechanism 63 may include two air cylinders, and the two air cylinders are respectively in driving connection with the two trimming mechanisms 62; the trimming and distance adjusting mechanism 63 may also have the same structure as the first positioning assembly 326.

In actual use, when the clamping device 4 clamps the battery and moves to the trimming position of the trimming device 6, the upper trimming driver 67 drives the upper trimming knife 65 to move close to the side edge of the aluminum-plastic film shell of the battery, and the lower trimming driver 68 drives the lower knife holder 66 to move close to the side edge of the aluminum-plastic film shell of the battery until the upper trimming knife 65 presses the side edge of the aluminum-plastic film shell against the lower knife holder 66, so as to trim the side edge of the aluminum-plastic film shell. Two edge shearing mechanisms 62 simultaneously and respectively shear the two side edges of the aluminum-plastic film shell, so that the edge shearing efficiency is improved. Before the battery trimming device is started, the distance between the two trimming mechanisms 62 is adjusted through the trimming distance adjusting mechanism 63 according to batteries with different specifications and widths so as to meet the requirement of trimming batteries with different specifications and widths, and the battery trimming device is wide in application range and high in practicability.

Specifically, the middle part of the trimming frame 64 is provided with a trimming avoiding groove 641 for the material clamping device 4 to pass through. The edge shearing avoiding groove 641 provides an avoiding space for the movement of the edge clamping device 4, so that the edge clamping device 4 can move to the edge shearing position of the edge shearing device 6 conveniently, the edge clamping device 4 can move to the next processing station from the edge shearing position of the edge shearing device 6 conveniently, and the structure design is ingenious and reasonable, so that the structure disclosed by the invention is compact.

Specifically, cut limit mechanism 62 still includes the garbage collection subassembly, the garbage collection subassembly is including seting up in cut limit frame 64 and keeping away from the guide hole 691 of groove 641 intercommunication, setting up in collecting box 692 and the rotation of guide hole 691 below and connecting in cutting the limit and keeping away from the diapire of groove 641 or the flitch 693 that connects at the top of guide hole 691, down the blade holder 66 is provided with the decurrent face of cutting of slope, connect the flitch 693 to keep away from the one end of guide hole 691 and cut the face tangent line and be connected, the guide hole 691 is established from the bottom of cutting limit frame 64 is concave and is formed, one side that guide hole 691 is close to down the blade holder 66 rotates and is connected with pivot 694, connect the flitch 693 to keep away from the one end of cutting the face and rotate with pivot 694 and be connected.

Because the one end that connects flitch 693 contradicts and the tangent line is connected with the face of cutting the limit of lower tool apron 66 all the time, so at the in-process that lower tool apron 66 goes up and down, connect flitch 693 to revolve the central axis of rotation 694, when lower tool apron 66 rises and cooperates with last edge cutter 65 in order to prune the side of plastic-aluminum membrane shell, the one end that connects flitch 693 to keep away from guide hole 691 upwards rotates, make and connect flitch 693 towards the direction downward sloping setting of guide hole 691, the waste material that produces during the edge cutting slides to guide hole 691 in along connecing flitch 693, the waste material drops to the collecting box 692 in along guide hole 691, collect the waste material through collecting box 692, avoid waste material scattered indiscriminate distribution and influence normal edge cutting work.

Specifically, the end of the upper trimming knife 65 is provided with an upper limiting plate 695, the end of the lower knife holder 66 is provided with a lower limiting plate 696 which is in interference fit with the upper limiting plate 695, the upper limiting plate 695 is convexly provided with a limiting block, and the lower limiting plate 696 is concavely provided with a limiting groove for accommodating the limiting block. When the upper trimming cutter 65 abuts against the lower cutter holder 66 to trim the side edge of the aluminum-plastic film shell, the upper limiting plate 695 abuts against the lower limiting plate 696 to limit the moving positions of the upper trimming cutter 65 and the lower cutter holder 66, the upper trimming cutter 65 and/or the lower cutter holder 66 are prevented from being damaged due to excessive movement of the upper trimming cutter 65 and the lower cutter holder 66, the limiting block of the upper limiting plate 695 extends into the limiting groove of the lower limiting plate 696, the limiting block is in sliding fit with the limiting groove, the guiding effect on the movement of the upper trimming cutter 65 and the lower cutter holder 66 is achieved, and the moving stability of the upper trimming cutter 65 and the lower cutter holder 66 is improved.

Specifically, an upper edge pressing block 697 is installed on the outer side of the upper edge shearing knife 65, and a lower edge pressing block 698 for abutting fit with the upper edge pressing block 697 is convexly installed on the outer side of the lower knife holder 66. In the process of trimming the aluminum-plastic film shell by the upper trimming knife 65 and the lower knife holder 66, the upper edge pressing block 697 presses a part of the side edge of the aluminum-plastic film shell on the lower edge pressing block 698 to compress the side edge of the aluminum-plastic film shell, so that the trimming quality can be improved.

Specifically, the hot pressing device 7 includes a hot pressing frame 71 disposed on one side of the circulating conveying device 1, an upper hot pressing mechanism 72 disposed on the top of the hot pressing frame 71, and a lower hot pressing mechanism 73 disposed on the bottom of the hot pressing frame 71, the output end of the upper hot pressing mechanism 72 is provided with two upper hot pressing heads 74, the output end of the lower hot pressing mechanism 73 is provided with two lower hot pressing heads 75, the two upper hot pressing heads 74 are respectively disposed in one-to-one correspondence with the two lower hot pressing heads 75, and the upper hot pressing heads 74 are located above the lower hot pressing heads 75.

In actual work, when the battery is moving to hot pressing position of hot press unit 7 being held by material clamping device 4, the both sides limit of the plastic-aluminum membrane shell of battery all is located between hot press mechanism 72 and lower hot press mechanism 73, it is close to the battery removal to go up hot press mechanism 72 drive two hot press heads 74, simultaneously hot press mechanism 73 drive two hot press heads 75 down are close to the battery and move, until last hot press head 74 and hot press head 75 down carry out hot pressing location to the coincide hem of plastic-aluminum membrane shell, two go up hot press heads 74 respectively with two hot press heads 75 cooperations down in order to carry out hot pressing location to two coincide hems of plastic-aluminum membrane shell in step.

Specifically, the shaping device 8 includes a shaping base 81 disposed on one side of the circulating conveyor 1, a connecting plate 82 disposed on the shaping base 81 in a lifting manner, a shaping lifter 83 mounted on the shaping base 81 and used for driving the connecting plate 82 to lift, two shaping mechanisms 84 symmetrically and slidably connected to the connecting plate 82, and a shaping distance-adjusting mechanism 85 mounted on the connecting plate 82 and used for adjusting the distance between the two shaping mechanisms 84, wherein the output end of the shaping mechanism 84 is provided with a thermal shaping head 86.

In actual work, when the clamping device 4 clamps the battery and moves to the shaping position of the shaping device 8, the battery is located in the two shaping mechanisms 84, two 270-degree folded edges of the aluminum-plastic film shell of the battery are respectively arranged corresponding to the two shaping mechanisms 84, and then the shaping mechanisms 84 drive the thermal shaping head 86 to move close to the battery until the thermal shaping head 86 abuts against the 270-degree folded edges of the battery to shape the battery. Before the battery shaping device is started, the distance between the two shaping mechanisms 84 is adjusted through the shaping distance adjusting mechanism 85 according to batteries with different specifications and widths so as to shape the batteries with different specifications and widths, and the battery shaping device is wide in application range and high in practicability.

(1) when in a feeding station, the battery is clamped and fixed through the clamping device 4;

(2) when the edge shearing station is used, the two side edges of the battery are sheared and trimmed through the edge shearing device 6;

(3) in the first flanging station, the two side edges of the trimmed battery are clamped by the upper edge clamping piece 22 and the lower edge clamping piece 23 of the first flanging device 2, and then the two side edges of the clamped battery are bent to 90 degrees by the flanging piece 241 of the first flanging device 2, so that the two side edges of the battery are in a right-angle state;

(4) when in the second flanging station, the two side edges of the battery which is bent by 90 degrees are bent to 180 degrees again through the rolling rollers 322 of the second flanging device 3;

(5) in the hot pressing station, the hot pressing device 7 is used for hot pressing and shaping the side edges of the battery which is folded by 180 degrees, so that the two side edges of the battery are in an overlapped state;

(6) at the third flanging station, clamping the two sides of the trimmed battery through the upper edge clamping piece 22 and the lower edge clamping piece 23 of the first flanging device 2 or the third flanging device 9, and then bending the clamped and 180-degree folded side of the battery to 270 degrees through the flanging piece 241 of the first flanging device 2 or the third flanging device 9 so that the two sides of the battery are in a right-angle state (the step is the same as the step (3));

(7) and in the shaping station, the shaping device 8 is used for carrying out thermal shaping on the side edge of the battery which is folded by 270 degrees, so that the two side edges of the battery are finally shaped.

All the technical features in the embodiment can be freely combined according to actual needs.

The above embodiments are preferred implementations of the present invention, and the present invention can be implemented in other ways without departing from the spirit of the present invention.

Claims

1. A hemming apparatus characterized in that: the hot-press forming device comprises a circulating conveying device, a plurality of material clamping devices arranged on the circulating conveying device along the conveying direction of the circulating conveying device, and a feeding and discharging device, an edge shearing device, a first edge folding device, a second edge folding device, a hot-press device, a third edge folding device and a shaping device which are sequentially arranged on the periphery of the circulating conveying device along the conveying direction of the circulating conveying device, wherein the circulating conveying device is used for conveying the plurality of material clamping devices to sequentially move to the feeding device, the edge shearing device, the first edge folding device, the second edge folding device, the hot-press device, the third edge folding device and the shaping device, the edge shearing device is used for shearing the side edge of a product clamped by the material clamping devices, the first edge folding device is used for bending the side edge of the product subjected to edge shearing at 90 degrees, the second edge folding device is used for bending the side edge which is bent at 90 degrees to 180 degrees again, and the hot-press device is used for hot-press forming, the third edge folding device is used for bending the 180-degree side edge subjected to hot press forming by 90 degrees, and the shaping device is used for shaping the side edge bent by 90 degrees finally.

2. A hemming apparatus according to claim 1 wherein: the first flanging device comprises a flanging frame, an upper flanging piece, a lower flanging piece, a flanging forming mechanism and a flanging driving mechanism, wherein the lower flanging piece is arranged opposite to the upper flanging piece, the flanging forming mechanism is arranged on the outer side of the lower flanging piece or/and the outer side of the upper flanging piece, the flanging driving mechanism is arranged on the flanging frame and is used for driving the upper flanging piece to be close to or away from the lower flanging piece, the upper flanging piece or/and the lower flanging piece to be lifted and arranged on the flanging frame, the flanging forming mechanism comprises the flanging piece and a flanging driver, the flanging driver is used for driving the flanging piece to move along the outer side wall of the upper flanging piece and the outer side wall of the lower flanging piece, and the flanging frame is arranged on one side of the circulating conveying device.

3. A hemming apparatus according to claim 2 wherein: the quantity of going up the contained side spare and the quantity of contained side spare down is two sets of, and two sets of contained side spares set up with two sets of contained side spare one-to-one respectively on two sets of, and two sets of parallel and interval of contained side spare set up down, the quantity of hem forming mechanism is two sets of, and two sets of hem forming mechanism set up relatively, and two sets of contained side spares all are located between two sets of hem forming mechanism on two sets of.

4. A hemming apparatus according to claim 1 wherein: the second flanging device comprises a support arranged on one side of the circulating conveying device, a second supporting seat arranged on the support, a rolling flanging mechanism positioned above the second supporting seat, a rolling driving mechanism arranged on the support and used for driving the rolling flanging mechanism to be in rolling collision with the supporting surface of the second supporting seat, and a supporting lifting driver arranged on the support and used for driving the second supporting seat to be close to or far away from the rolling flanging mechanism, wherein the rolling flanging mechanism comprises a mounting seat connected with the output end of the rolling driving mechanism and a plurality of rolling rollers with rolling surfaces with different tapers, which are arranged on the mounting seat in a rotating mode, the central axes of the rolling rollers are arranged on the same plane, and the tapers of the rolling surfaces of the rolling rollers are arranged from large to small along the length direction of the mounting seat.

5. A hemming apparatus according to claim 4 wherein: the rolling and flanging mechanism further comprises a pre-rolling wheel which is rotatably arranged on the mounting seat, the pre-rolling wheel is provided with a pre-rolling surface, the included angle between the central axis of the pre-rolling wheel and the central axis of the rolling wheel is set, and the pre-rolling wheel is located on the outer side of the rolling wheel with the largest taper rolling surface.

6. A hemming apparatus according to claim 1 wherein: the material clamping device comprises a first material clamping part and a second material clamping part, the first material clamping part comprises a rotating arm and a material clamping plate connected to one end of the rotating arm, the second material clamping part is provided with a positioning piece used for positioning the rotating arm, the second material clamping part comprises a switching part connected with the rotating arm in a rotating mode and a material clamping part connected to the switching part, the switching part is connected with the circulating conveying device in a driving mode, the material clamping plate and the material clamping part are arranged oppositely, a reset part is connected between the switching part and the rotating arm, and one end, far away from the material clamping plate, of the rotating arm extends to form a driving part.

7. A hemming apparatus according to claim 6 wherein: the feeding and discharging device comprises a feeding mechanism and a discharging mechanism, the feeding mechanism is located at the feeding end of the edge shearing device, the discharging mechanism is located at the discharging end of the shaping device, the feeding mechanism comprises a feeding station and a feeding driver fixedly arranged on the feeding station, the discharging mechanism comprises a discharging station and a discharging driver fixedly arranged on the discharging station, and the feeding driver and the discharging driver are both used for driving the first material clamping piece and the second material clamping piece to rotate relatively.

8. A hemming apparatus according to claim 7 wherein: the feeding mechanism further comprises a positioning device arranged on one side of the circulating conveying device, and the positioning device comprises a positioning frame, a positioning lifter arranged on the positioning frame, a lifting seat arranged at the output end of the positioning lifter, two positioning plates symmetrically arranged on the lifting seat in a sliding manner, and a positioning driver arranged on the lifting seat and used for driving the two positioning plates to be close to or far away from the lifting seat.

9. A hemming apparatus according to claim 1 wherein: the circular conveying device comprises a rotation driving mechanism and a rotary disc arranged at the output end of the rotation driving mechanism, the feeding and discharging device, the edge shearing device, the first edge folding device, the second edge folding device, the hot pressing device, the third edge folding device and the shaping device are sequentially and uniformly arranged on the outer side of the rotary disc around the central axis of the rotary disc, and the plurality of clamping devices are arranged on the rotary disc in an annular array mode.

10. A hemming method of a hemming apparatus according to any one of claims 1 to 9 wherein: the method comprises the following steps: