CN117638246A - Multi-section type seal processing equipment and processing method for cylindrical battery - Google Patents

Abstract

The invention provides a cylindrical battery multi-section type seal processing device and a processing method, wherein the device comprises a feeding component, a primary compression component, a secondary compression component, a seal forming component, a shaping component and a discharging component which are sequentially arranged along the input direction of a battery; the primary pressing assembly is provided with a pressing pre-sealing die head for carrying out primary pressing closing-in on the battery; the secondary pressing assembly is provided with a pressing type secondary sealing die head for further punching and closing up the battery; the seal molding assembly is provided with a compression type sealing die head for punching and sealing the battery; the shaping assembly is provided with a profiling flat sealing die head for stamping and shaping the battery; can realize automatic business turn over through pan feeding subassembly and ejection of compact subassembly, loop through pan feeding subassembly, primary compression type subassembly, secondary compression type subassembly, seal shaping subassembly, plastic subassembly and carry out stepwise punching press processing to the battery, can realize the automatic continuous operation of sealing of battery, degree of automation is high, seals efficiently, can improve and seal the quality, reduces the battery and seals the disability rate.

Description

Multi-section type seal processing equipment and processing method for cylindrical battery

Technical Field

The invention relates to the technical field of lithium battery production and processing, in particular to a cylindrical battery multi-section type sealing processing device and a processing method.

Background

In the production process of cylindrical lithium batteries, the lithium batteries after liquid injection need to be subjected to a step including sealing. The current cylindrical lithium battery sealing equipment adopts a stamping principle, and after a battery is fixed by using a clamp, stamping, sealing and forming are carried out through a stamping die.

In the prior art, the single stamping is adopted to seal the battery, the single stamping is carried out through strong impact jacking, the problem that the battery is not compact in sealing exists, and the effect required by sealing the battery cannot be achieved. Meanwhile, under strong impact and top pressure, the battery seal is easy to cause serious damage, and the rejection rate of the battery seal is increased.

In the prior art, the battery is sealed by semi-automatic sealing, namely, the sealing operation is realized by adopting a mechanical sealing and manual feeding and discharging mode, the mode is low in automation degree and low in efficiency, workers can produce fatigue after working for a long time, the feeding and discharging efficiency can be influenced, and safety accidents can be easily caused in the feeding and discharging process.

Disclosure of Invention

In order to overcome the problems in the related art, the invention provides a multi-section type seal processing device and a processing method for a cylindrical battery.

One of the purposes of the invention is to provide a cylindrical battery multi-section type seal processing device:

The device comprises a feeding component, a primary compression component, a secondary compression component, a seal forming component, a shaping component and a discharging component which are sequentially arranged along the input direction of the battery;

the feeding assembly, the primary compression assembly, the secondary compression assembly, the sealing molding assembly, the shaping assembly and the discharging assembly are all arranged on the frame;

the primary compression assembly is provided with a compression pre-sealing die head for carrying out primary punching closing-in on the battery, the compression pre-sealing die head is provided with a first molding conical surface, and the included angle between the first molding conical surface and the vertical plane is 35-45 degrees;

the secondary pressing assembly is provided with a pressing type secondary sealing die head for further pressing and closing up the battery, the pressing type secondary sealing die head is provided with a second forming conical surface, and the included angle between the second forming conical surface and the vertical plane is 55-75 degrees;

the seal molding assembly is provided with a compression type seal die head for punching and sealing the battery, and the compression type seal die head is provided with a seal molding surface;

the shaping assembly has a profiled flat seal die for press shaping the battery, the profiled flat seal die having a profiled shaping surface.

In the preferred technical scheme of the invention, the feeding assembly comprises a conveying line, a feeding turntable, a middle turntable, a separating assembly and a first cup holder conveying line which are sequentially arranged;

The conveying line is used for conveying the batteries borne in the cup stand to the feeding turntable, and the input end of the feeding turntable is in butt joint with the conveying line;

the output end of the feeding turntable is in butt joint with the input end of the middle turntable, and the output end of the middle turntable is in butt joint with the input end of the separation assembly;

the separation subassembly can be with saucer and battery separation, and separation subassembly's battery output and the input butt joint of primary compression subassembly, separation subassembly's saucer output and the butt joint of first saucer transfer chain, separation subassembly can improve the continuity of whole battery production water line processing.

In the preferred technical scheme of the invention, the separation assembly comprises a rotating shaft, a first turntable, a second turntable and a lifting assembly, wherein the first turntable, the second turntable and the lifting assembly are sequentially arranged on the rotating shaft from top to bottom;

a plurality of first clamping claws for accommodating batteries are uniformly distributed on the periphery of the first rotary table;

a plurality of second clamping claws for accommodating the cup stand are uniformly distributed on the periphery of the second turntable;

the lifting assembly comprises a fixing frame and a lifting cam which are sequentially arranged on the rotating shaft from top to bottom, a plurality of lifting rods are uniformly distributed on the circumference of the fixing frame, the lifting rods vertically penetrate through the fixing frame, and the lower ends of the lifting rods are propped against the lifting cam through driving rollers;

The first clamping jaw, the second clamping jaw and the lifting rod are arranged in one-to-one correspondence;

the middle part of the bottom surface of the cup stand is provided with an opening for avoiding the lifting rod.

In the preferred technical scheme of the invention, when the rotating shaft of the separation assembly rotates, the lifting cam drives the lifting rod to periodically move up and down through the driving roller, the lifting rod can eject the battery out of the cup holder after moving up to the proper position, when the battery enters the separation assembly, the battery is loaded in the cup holder, the lifting rod gradually moves up to the proper position in the process of rotating the rotating shaft from the input side to the output side of the separation assembly, the battery ejects the cup holder, the battery ejected out of the cup holder is sent to the primary compression assembly, the cup holder is independently sent to the first cup holder conveying line, and the lifting rod gradually moves down to reset in the process of rotating the battery from the output side to the input side of the separation assembly.

In the preferred technical scheme of the invention, a stopper is arranged at the input end of the feeding turntable, and a counter is arranged at the side of the turntable.

In a preferred technical scheme of the invention, the discharging assembly comprises a first detection rotary table, a second detection rotary table, a third detection rotary table and a diversion mechanism which are sequentially arranged along the input direction of the battery; the first detection turntable is provided with a sealing height detector, the second detection turntable is provided with a CCD detection camera, and the third detection turntable is provided with a discharging height detector;

The distribution mechanism comprises an inferior product turntable and a good product turntable which are sequentially arranged, wherein a pushing cylinder is arranged on the good product turntable and is used for pushing inferior products into the input end of the inferior product turntable from the good product turntable.

When the battery is used, the seal height detector is used for detecting whether the seal height is qualified or not, and if the seal height does not meet the requirement, the current battery is marked as a defective product; the CCD detection camera is used for detecting the surface size and quality of the battery, and if the surface size or quality does not meet the requirements, the current battery is marked as a defective product; the discharging height detector is used for detecting the total height of the battery after the sealing processing, and if the height does not meet the requirement, the current battery is marked as a defective product.

In the preferred technical scheme of the invention, the output end of the good product turntable is provided with a good product conveying line, and the output end of the defective product turntable is provided with a defective product conveying line.

In the preferred technical scheme of the invention, the separation assembly is provided with a feeding height detector, the feeding height detector is used for detecting the height of the incoming battery, and the stopper, the counter, the feeding height detector, the sealing height detector, the CCD detection camera, the discharging height detector and the pushing cylinder are all electrically connected with the controller.

In the preferred technical scheme of the invention, the third detection turntable is in butt joint with the good product turntable through the tray-in mechanism, the tray-in mechanism comprises a second cup tray conveying line and a battery tray-in assembly, the battery tray assembly has the same structure as the separation assembly, the input and output ports are inverted, the battery input end of the battery tray assembly is in butt joint with the third detection turntable, the cup tray input end of the battery tray assembly is in butt joint with the second cup tray conveying line, and the output end of the battery tray assembly is in butt joint with the good product turntable input end;

the battery is gone into to hold in the palm the subassembly and can be sent out in putting into the saucer of accomplishing the battery that seals, when the rotation axis of battery is gone into the subassembly and is rotated, the lift cam drives the lift pole through driving roller and periodically reciprocate, the lift pole moves down and can put into the saucer with the battery after in place, when using, hold in the palm the cup and get into, the lift pole is in lower extreme position, the support cup is in the battery input removal in-process, the lift pole gradually moves up to put into place, the battery is earlier by the support pole bearing after getting into, the battery moves the in-process to the output along with the support cup of putting down, the lift pole gradually moves down to reset, make the battery put into the saucer, finally, the saucer that bears the battery can be sent into the yields carousel.

In the preferred technical scheme of the invention, transition turntables for transferring batteries are arranged between the feeding assembly and the primary compression assembly, between the primary compression assembly and the secondary compression assembly, between the secondary compression assembly and the sealing forming assembly, between the sealing forming assembly and the shaping assembly and between the shaping assembly and the discharging assembly, and are beneficial to improving the smoothness of battery conveying in the processing process and improving the sealing efficiency of batteries.

In the preferred technical scheme of the invention, the primary compression assembly, the secondary compression assembly, the seal forming assembly and the shaping assembly all comprise a turret, the turret comprises a first rotating shaft, a stamping mechanism, a battery positioning mechanism, a third rotating disc and a jacking mechanism, and the stamping mechanism, the battery positioning mechanism, the third rotating disc and the jacking mechanism are sequentially arranged on the first rotating shaft from top to bottom;

a plurality of third clamping claws for accommodating batteries are uniformly distributed on the periphery of the third rotary table;

the stamping mechanism comprises a first cam, a first frame body and stamping rods, wherein the first cam and the first frame body are sequentially arranged on a first rotating shaft from top to bottom, the stamping rods are in sliding fit with the first frame body along the vertical direction, the number of the stamping rods is equal to that of the third clamping jaws, one stamping rod is arranged above each third clamping jaw, a first cam groove is formed in the first cam, an upper roller is arranged in the first cam groove in a sliding manner, the upper roller is connected with the stamping rods, and corresponding dies are arranged at the lower ends of the stamping rods;

Specifically, a press type pre-sealing die head, a press type secondary sealing die head, a press type sealing die head and a press type flat sealing die head are correspondingly arranged on the press rods of the primary press type assembly, the secondary press type assembly, the seal forming assembly and the shaping assembly;

when the first rotating shaft rotates, the first cam drives the punching rod to periodically move up and down through the first cam groove;

the battery positioning mechanism comprises a second frame body and battery positioning units which are arranged on the second frame body in an annular array mode, the number of the battery positioning units is equal to that of third clamping claws, one battery positioning unit is arranged above each third clamping claw, each battery positioning unit comprises a fixing sleeve and a plurality of clamping blocks with circumferences uniformly distributed in the fixing sleeve, each clamping block is in sliding fit with the fixing sleeve along the radial direction of the fixing sleeve, a spring is arranged between each clamping block and the fixing sleeve, an upper inclined surface is arranged on the outer side of the upper end of each clamping block, an opening clamp sleeve is arranged at the lower end of each stamping rod, and a lower inclined surface which is correspondingly matched with the upper inclined surface is arranged on the periphery of the lower end of each opening clamp sleeve;

when the punching rod moves downwards, after the upper inclined surface contacts with the lower inclined surface, the clamping block can move towards the inside of the fixed sleeve under the action of the inclined surface so as to tightly hold the battery, and meanwhile, the spring is pressed and deformed; when the stamping rod moves upwards, the clamping block moves to the outside of the fixed sleeve to reset under the elastic force of the spring, so that the clamping block is restored to an open-close state;

The jacking mechanism comprises a second cam, a third frame body and ejector rods, wherein the third frame body and the second cam are sequentially arranged on a first rotating shaft from top to bottom, the ejector rods are in sliding fit with the third frame body along the vertical direction, the ejector rods are circumferentially and uniformly distributed on the third frame body, the number of the ejector rods is equal to that of the third clamping jaws, one ejector rod is arranged below each third clamping jaw, a second cam groove is formed in the second cam, a lower roller is arranged in the second cam groove in a sliding mode, and the lower roller is connected with the ejector rods;

when the first rotating shaft rotates, the second cam drives the ejector rod to periodically move up and down through the second cam groove.

When the battery is used, after entering from the input end, the battery is conveyed to the output end along with the rotation of the third turntable, in the rotation process, firstly, the jacking mechanism jacks the battery in place, then, when the stamping rod moves downwards, the clamping block is driven to clamp the battery tightly, the stamping processing is carried out on the upper end of the battery through the die head, after the stamping processing, the stamping rod and the jacking mechanism respectively move and reset, and finally, the battery after the stamping processing is completed is transferred to the output end for outputting;

the second object of the invention is to provide a method for processing a cylindrical battery seal:

the cylindrical battery multi-section type sealing processing equipment is adopted for punching sealing processing;

The method comprises the following steps:

and (3) feeding: the batteries loaded on the cup stand are sequentially sent to the separation assembly through the conveying line, the feeding turntable and the middle turntable;

and (3) separating from the support: the separation assembly separates the cup holder from the battery, sends the battery into the primary compression assembly, and sends the cup holder into the first cup holder conveying line;

primary compression: the primary pressing assembly performs primary punching processing on the upper end of the battery through a pressing pre-sealing die head, and then the battery is sent to the secondary pressing assembly;

secondary profiling: the secondary pressing assembly performs secondary punching processing on the upper end of the battery through a pressing type secondary sealing die head, and then the battery is sent to the sealing molding assembly;

and (3) sealing: the seal forming assembly performs third stamping processing on the upper end of the battery through a compression type sealing die head, and then the battery is sent to the shaping assembly;

shaping: the shaping assembly performs fourth stamping processing on the upper end of the battery through a profiling flat sealing die head, and then the battery is sent to a first detection turntable;

and (3) primary detection: the first detection rotary table conveys the battery to the second detection rotary table, in the conveying process, the sealing height is detected through a sealing height detector, detection data are fed back to the controller, and if the height does not meet the requirement, the controller marks the current battery as a defective product;

And (3) secondary detection: the second detection turntable conveys the battery to the third detection turntable, in the conveying process, the CCD detection camera detects the surface size and quality, detection data are fed back to the controller, and if the surface size or quality does not meet the requirement, the controller marks the current battery as a defective product;

and (3) detecting for three times: the third detection turntable conveys the battery to the battery supporting component, in the conveying process, the total height of the battery after the battery seal is processed is detected by a discharge height detector, detection data is fed back to the controller, and if the height does not meet the requirement, the controller marks the current battery as a defective product;

support: the battery supporting component firstly places the battery into the cup holder, and then sends the battery borne on the cup holder to the good product turntable;

and (3) split-flow discharging: the good product turntable carries out shunt conveying according to the detection result of the battery;

if the battery is good, the good turntable conveys the battery to a good output position, and the good conveying line conveys the battery to output;

if the battery is defective, the good product turntable sends the battery to a defective output position, the material pushing cylinder pushes the defective into the defective turntable from the good product turntable, and the defective turntable sends the battery to a defective conveying line for output.

The beneficial effects of the invention are as follows:

The device comprises a feeding component, a primary compression component, a secondary compression component, a seal forming component, a shaping component and a discharging component which are sequentially arranged along the input direction of the battery; can realize automatic business turn over through pan feeding subassembly and ejection of compact subassembly, loop through pan feeding subassembly, primary compression type subassembly, secondary compression type subassembly, seal shaping subassembly, plastic subassembly and carry out stepwise punching press processing to the battery, can realize the automatic continuous operation of sealing of battery, degree of automation is high, seals efficiently, simultaneously, stepwise punching press processing's mode can improve the quality of sealing of battery, reduces the battery and seals the disability rate.

Drawings

Fig. 1 is a schematic structural view of a multi-stage sealing processing apparatus for a cylindrical battery.

Fig. 2 is a schematic structural view of the feeding assembly.

Fig. 3 is a schematic structural view of the separation assembly.

Fig. 4 is a schematic view of the installation structure of the primary compression assembly, the secondary compression assembly, and the seal molding assembly.

Fig. 5 is a schematic structural view of the turret.

Fig. 6 is a schematic illustration of the stamping of a battery.

Fig. 7 is an enlarged view of the portion of fig. 6A.

FIG. 8 is a schematic view of the structure of a compression pre-seal die.

FIG. 9 is a schematic view of the structure of a compression type two-seal die.

Fig. 10 is a schematic structural view of a compression type sealing die.

Fig. 11 is a schematic structural view of a profiling flat seal die.

Fig. 12 is a schematic structural view of the outfeed assembly.

Reference numerals:

100. a frame; 110. a gear; 120. a battery; 130. a cup holder; 200. a feeding assembly; 210. a conveying line; 211. a stopper; 220. a feed turntable; 230. a middle rotary disc; 231. a counter; 240. a separation assembly; 241. a rotation shaft; 242. a first turntable; 243. a second turntable; 244. a first claw; 245. a second claw; 246. lifting the cam; 247. a lifting rod; 248. driving the roller; 249. a fixing frame; 250. a first cup holder conveyor line; 300. a primary compression assembly; 301. profiling pre-sealing die heads; 302. a first molded conical surface; 310. a turret; 311. a first rotating shaft; 312. a second cam; 313. a lower roller; 314. a push rod; 315. a first cam; 316. punching a rod; 317. a fixed sleeve; 318. a second frame body; 319. a first frame body; 320. a third jaw; 321. a third turntable; 322. a third frame; 323. clamping blocks; 324. a spring; 325. opening a jacket; 400. a secondary press assembly; 401. profiling a second die head; 402. a second molded conical surface; 500. a seal molding assembly; 501. profiling sealing die heads; 502. sealing the molding surface; 600. a shaping assembly; 601. profiling flat sealing die heads; 602. shaping and molding the surface; 700. a discharge assembly; 710. a first detection dial; 711. a seal height detector; 720. a second detection dial; 721. a CCD detection camera; 730. a third detection dial; 731. a discharge height detector; 740. a battery cradle assembly; 750. a second cup holder conveyor line; 760. a good product turntable; 761. a pushing cylinder; 770. a defective turntable; 780. good product conveying lines; 790. a defective product conveying line; 800. and a transition turntable.

Detailed Description

Preferred embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present invention are shown in the drawings, it should be understood that the present invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art.

In the prior art, the single stamping is adopted to seal the battery, the single stamping is carried out through strong impact jacking, the problem that the battery is not compact in sealing exists, and the effect required by sealing the battery cannot be achieved. Meanwhile, under strong impact and top pressure, the battery seal is easy to cause serious damage, and the rejection rate of the battery seal is increased.

In the prior art, the battery is sealed by semi-automatic sealing, namely, the sealing operation is realized by adopting a mechanical sealing and manual feeding and discharging mode, the mode is low in automation degree and low in efficiency, workers can produce fatigue after working for a long time, the feeding and discharging efficiency can be influenced, and safety accidents can be easily caused in the feeding and discharging process.

Examples

In view of the above, the present embodiment provides a multi-stage seal processing apparatus and a processing method for a cylindrical battery.

As shown in fig. 1-12, a multi-stage seal processing apparatus for a cylindrical battery:

the device comprises a feeding component 200, a primary compression component 300, a secondary compression component 400, a seal forming component 500, a shaping component 600 and a discharging component 700 which are sequentially arranged along the input direction of a battery 120;

the feeding assembly 200, the primary compression assembly 300, the secondary compression assembly 400, the seal forming assembly 500, the shaping assembly 600 and the discharging assembly 700 are all arranged on the frame 100;

the primary compression assembly 300 is provided with a compression type pre-sealing die head 301 for carrying out primary punching closing on the battery 120, the compression type pre-sealing die head 301 is provided with a first forming conical surface 302, and the included angle between the first forming conical surface 302 and a vertical plane is 35-45 degrees, preferably 40 degrees;

the secondary pressing assembly 400 is provided with a pressing type two-sealing die head 401 for further pressing and closing up the battery 120, the pressing type two-sealing die head 401 is provided with a second forming conical surface 402, and the included angle between the second forming conical surface 402 and a vertical plane is 55-75 degrees, preferably 65 degrees;

the seal molding assembly 500 has a compression type sealing die 501 for press-sealing the battery 120, the compression type sealing die 501 having a seal molding surface 502;

The shaping assembly 600 has a compression flat seal die 601 that stamp shapes the cells 120, the compression flat seal die 601 having a shaping land 602.

This equipment can realize automatic business turn over through pan feeding subassembly 200 and ejection of compact subassembly 700, and through pan feeding subassembly 200, primary compression type subassembly 300, secondary compression type subassembly 400, seal shaping subassembly 500, plastic subassembly 600 gradually carry out stamping processing to battery 120, can realize the automatic continuous operation of sealing of battery 120, degree of automation is high, seals efficiently, simultaneously, the mode of stepwise stamping processing can improve battery 120 seal quality, reduces battery 120 and seals the disability rate.

In this embodiment, the feeding assembly 200 includes a conveying line 210, a feeding turntable 220, a transferring turntable 230, a separating assembly 240, and a first cup holder conveying line 250, which are sequentially disposed;

the conveying line 210 is used for conveying the batteries 120 borne in the cup holders 130 to the feeding rotary table 220, and the input end of the feeding rotary table 220 is in butt joint with the conveying line 210;

the output end of the feeding turntable 220 is in butt joint with the input end of the turntable 230, and the output end of the turntable 230 is in butt joint with the input end of the separation assembly 240;

in actual production, the battery 120 processed in the previous procedure is carried in the cup holder 130, if the cup holder 130 is not removed before processing in the battery 120 sealing link, the battery 120 is punched and sealed together with the cup holder 130, the complexity of the sealing structure can be increased because of the structural design of the cup holder 130, meanwhile, the sealing processing precision is not beneficial to the detection of the battery 120 after the sealing processing due to the cup holder 130, the cup holder 130 and the battery 120 can be separated through the design of the separation assembly 240, the battery output end of the separation assembly 240 is in butt joint with the input end of the primary pressure type assembly 300, the cup holder output end of the separation assembly 240 is in butt joint with the first cup holder conveying line 250, and the continuity of the whole battery production line processing can be improved through the separation assembly 240.

In this embodiment, the separating assembly 240 includes a rotating shaft 241, and a first turntable 242, a second turntable 243 and a lifting assembly sequentially installed on the rotating shaft 241 from top to bottom;

a plurality of first claws 244 for accommodating the battery 120 are uniformly distributed on the periphery of the first rotating disc 242;

a plurality of second claws 245 for accommodating the cup holders 130 are uniformly distributed on the periphery of the second turntable 243;

the lifting assembly comprises a fixed frame 249 and a lifting cam 246 which are sequentially arranged on the rotating shaft 241 from top to bottom, a plurality of lifting rods 247 are uniformly distributed on the circumference of the fixed frame 249, the lifting rods 247 vertically penetrate through the fixed frame 249, and the lower ends of the lifting rods 247 are abutted against the lifting cam 246 through driving rollers 248;

the first claw 244, the second claw 245 and the lifting rod 247 are arranged in a one-to-one correspondence;

the middle part of the bottom surface of the cup stand 130 is provided with an opening for avoiding the lifting rod 247.

In this embodiment, when the rotation shaft 241 of the separation assembly 240 rotates, the lifting cam 246 drives the lifting rod 247 to periodically move up and down through the driving roller 248, the lifting rod 247 can push the battery 120 out of the cup holder 130 after moving up to the position, when the battery 120 enters the separation assembly 240, the battery 120 is carried in the cup holder 130, along with the rotation of the rotation shaft 241, in the process that the battery 120 is turned from the input side to the output side of the separation assembly 240, the lifting rod 247 moves up and down gradually, and pushes the battery 120 out of the cup holder 130, the battery 120 pushed out of the cup holder 130 is sent into the primary compression assembly 300, the cup holder 130 is independently sent into the first cup holder conveying line 250, and in the process that the battery 120 is turned from the output side to the input side of the separation assembly 240, the lifting rod 247 moves down gradually and resets.

In this embodiment, the input end of the feeding turntable 220 is provided with a stopper 211, and the side of the turntable 230 is provided with a counter 231.

In this embodiment, the discharging assembly 700 includes a first detecting dial 710, a second detecting dial 720, a third detecting dial 730, and a diverting mechanism, which are sequentially disposed along the input direction of the battery 120; a seal height detector 711 is arranged at the first detection turntable 710, a CCD detection camera 721 is arranged at the second detection turntable 720, and a discharge height detector 731 is arranged at the third detection turntable 730;

the split-flow mechanism comprises a defective product turntable 770 and a good product turntable 760 which are sequentially arranged, wherein a pushing cylinder 761 is arranged on the good product turntable 760, and the pushing cylinder 761 is used for pushing defective products into the input end of the defective product turntable 770 from the good product turntable 760.

When in use, the seal height detector 711 is used for detecting whether the seal height is qualified, if the seal height does not meet the requirement, the current battery 120 is marked as a defective product; the CCD detection camera 721 is configured to detect the surface size and quality of the battery 120, and if the surface size or quality does not meet the requirement, the current battery 120 is marked as a defective product; the discharging height detector 731 is used for detecting the total height of the battery 120 after the sealing processing, and if the height does not meet the requirement, the current battery 120 is marked as a defective product.

In this embodiment, the output end of the good product turntable 760 is provided with a good product conveying line 780, and the output end of the defective product turntable 770 is provided with a defective product conveying line 790.

In this embodiment, the separation assembly 240 is provided with a feeding height detector, the feeding height detector is used for detecting the height of the incoming battery 120, and the stopper 211, the counter 231, the feeding height detector, the sealing height detector 711, the CCD detection camera 721, the discharging height detector 731 and the pushing cylinder 761 are all electrically connected with the controller.

In this embodiment, the third detecting turntable 730 is docked with the good turntable 760 via a docking mechanism, the docking mechanism includes a second cup holder conveying line 750 and a battery docking assembly 740, the battery docking assembly 740 has the same structure as the separating assembly 240 and has an inverted input/output port, the battery input end of the battery docking assembly 740 is docked with the third detecting turntable 730, the cup holder input end of the battery docking assembly 740 is docked with the second cup holder conveying line 750, and the output end of the battery docking assembly 740 is docked with the input end of the good turntable 760;

in actual production, the battery 120 with the sealed end needs to be placed in the cup holder 130 and sent to the next processing procedure of the battery production line, and in order to improve the processing continuity and the processing efficiency of the whole battery production line, the battery 120 with the sealed end can be placed in the cup holder 130 and sent out by designing the battery supporting component 740.

When the rotary shaft 241 of the battery supporting component 740 rotates, the lifting cam 246 drives the lifting rod 247 to periodically move up and down through the driving roller 248, the battery 120 can be placed in the cup holder 130 after the lifting rod 247 moves down to the right position, when in use, the lifting rod 247 is at the lower limit position when a cup is in, the lifting rod 247 gradually moves up to the right position in the process of moving the cup to the battery input end, the battery 120 is firstly supported by the lifting rod 247 after entering, the lifting rod 247 gradually moves down to reset along with the movement of the lowered lifting rod 247 in the process of moving the cup to the output end, the battery 120 is placed in the cup holder 130, and finally the cup holder 130 bearing the battery 120 can be sent into the good product turntable 760.

In use, in order to ensure that the battery 120 has the cup holder 130 below it after entering, the cup holder 130 needs to be pre-stored in the battery holder assembly 740.

In this embodiment, a transition turntable 800 for transferring the battery 120 is disposed between the feeding assembly 200 and the primary compression assembly 300, between the primary compression assembly 300 and the secondary compression assembly 400, between the secondary compression assembly 400 and the seal forming assembly 500, between the seal forming assembly 500 and the shaping assembly 600, and between the shaping assembly 600 and the discharging assembly 700, and the transition turntable 800 is beneficial to improving the smoothness of the battery 120 transportation in the processing process and improving the sealing efficiency of the battery 120.

In this embodiment, the primary pressing assembly 300, the secondary pressing assembly 400, the seal molding assembly 500 and the shaping assembly 600 each include a turret 310, the turret 310 includes a first rotating shaft 311, a punching mechanism, a battery positioning mechanism, a third turntable 321 and a jacking mechanism, and the punching mechanism, the battery positioning mechanism, the third turntable 321 and the jacking mechanism are sequentially installed on the first rotating shaft 311 from top to bottom;

a plurality of third claws 320 for accommodating the battery 120 are uniformly distributed on the circumference of the third turntable 321;

the stamping mechanism comprises a first cam 315, a first frame 319 and stamping rods 316, wherein the first cam 315 and the first frame 319 are sequentially arranged on a first rotating shaft 311 from top to bottom, the stamping rods 316 are in sliding fit with the first frame 319 along the vertical direction, the number of the stamping rods 316 is equal to that of the third clamping claws 320, one stamping rod 316 is arranged above each third clamping claw 320, a first cam groove is formed in the first cam 315, an upper roller is arranged in the first cam groove in a sliding mode, the upper roller is connected with the stamping rods 316, and a corresponding die head is arranged at the lower end of each stamping rod 316;

specifically, the primary compression assembly 300, the secondary compression assembly 400, the seal forming assembly 500 and the stamping rod 316 of the shaping assembly 600 are correspondingly provided with a compression pre-sealing die 301, a compression secondary sealing die 401, a compression sealing die 501 and a compression flat sealing die 601;

When the first rotating shaft 311 rotates, the first cam 315 drives the pressing rod 316 to periodically move up and down through the first cam groove;

the battery positioning mechanism comprises a second frame 318 and battery positioning units which are arranged on the second frame 318 in an annular array, the number of the battery positioning units is equal to that of the third clamping claws 320, one battery positioning unit is arranged above each third clamping claw 320, each battery positioning unit comprises a fixed sleeve 317 and a plurality of clamping blocks 323 with circumferences uniformly distributed in the fixed sleeve 317, each clamping block 323 is in sliding fit with the fixed sleeve 317 along the radial direction of the fixed sleeve 317, a spring 324 is arranged between each clamping block 323 and the fixed sleeve 317, an upper inclined plane is arranged on the outer side of the upper end of each clamping block 323, an open clamping sleeve 325 is arranged at the lower end of each stamping rod 316, and a lower inclined plane which is correspondingly matched with the upper inclined plane is arranged at the periphery of the lower end of the open clamping sleeve 325;

when the pressing rod 316 moves downwards, after the upper inclined surface contacts with the lower inclined surface, the clamping block 323 can move towards the inside of the fixed sleeve 317 under the action of the inclined surface, so as to tightly hold the battery 120, and meanwhile, the spring 324 is pressed and deformed; when the stamping rod 316 moves upwards, the clamping block 323 moves to the outside of the fixed sleeve 317 under the elastic force of the spring 324, so that the clamping block 323 is restored to the open-close state;

The jacking mechanism comprises a second cam 312, a third frame 322 and ejector rods 314, the third frame 322 and the second cam 312 are sequentially arranged on a first rotating shaft 311 from top to bottom, the ejector rods 314 are in sliding fit with the third frame 322 along the vertical direction, the ejector rods 314 are circumferentially and uniformly distributed on the third frame 322, the number of the ejector rods 314 is equal to that of the third clamping claws 320, one ejector rod 314 is arranged below each third clamping claw 320, the second cam 312 is provided with a second cam groove, a lower roller 313 is arranged in the second cam groove in a sliding mode, and the lower roller 313 is connected with the ejector rods 314;

when the first rotating shaft 311 rotates, the second cam 312 drives the jack 314 to periodically move up and down through the second cam groove.

When the battery 120 is used, after entering from the input end, the battery 120 is conveyed to the output end along with the rotation of the third turntable 321, in the rotation process, firstly, the jacking mechanism jacks up the battery 120 in place, then, when the stamping rod 316 moves downwards, the clamping block 323 is driven to clamp the battery 120 tightly, the stamping is carried out on the upper end of the battery 120 through the die head, after the stamping, the stamping rod 316 and the jacking mechanism respectively move and reset, and finally, the battery after the stamping is transferred to the output end for outputting.

In practical application, rails are arranged outside each turntable to ensure the movement precision of the battery 120, and for the rails of the adjacent turntables, the feeding end side of the rail positioned at the rear side in the conveying direction stretches into the discharging end side of the rail positioned at the front side in the conveying direction, so that the feeding end side of the rail positioned at the rear side in the conveying direction and the discharging end side of the rail positioned at the front side in the conveying direction form a butt joint channel for transferring the battery 120; the feeding end side of the track is provided with an avoidance port for avoiding the claw on the adjacent turntable.

In practical application, the circumference of each turntable is uniformly distributed with claws, each claw is provided with a magnet for magnetically attracting the battery 120 shell, and the battery 120 on the previous turntable is guided into the next turntable through the track at the butt joint of the tracks of the adjacent turntables.

In practical application, in order to simplify the transmission structure, each adjacent rotating member along the conveying direction of the battery 120 is sequentially meshed and transmitted through the gear 110, the rotating member comprises each rotating shaft 241, each rotating shaft and a central shaft of each turntable, a driving motor is mounted on the frame 100, a driving gear is mounted on an output shaft of the driving motor, and the driving gear is meshed and transmitted with the gear 110 on any rotating member.

The embodiment also provides a cylindrical battery seal processing method, which adopts the cylindrical battery multi-section seal processing equipment to carry out punching seal processing;

the method comprises the following steps:

and (3) feeding: the batteries 120 carried on the cup holder 130 are sequentially sent to the separation assembly 240 through the conveyor line 210, the feeding turntable 220 and the transfer turntable 230;

and (3) separating from the support: the separation assembly 240 separates the cup holder 130 from the battery 120 and feeds the battery 120 into the primary compression assembly 300 and feeds the cup holder 130 into the first cup holder conveyor line 250;

Primary compression: the primary press type assembly 300 performs a primary press working on the upper end of the battery 120 through the press type pre-sealing die head 301, and then sends the battery 120 to the secondary press type assembly 400;

secondary profiling: the secondary pressing assembly 400 performs secondary punching processing on the upper end of the battery 120 through a pressing type secondary sealing die head 401, and then sends the battery 120 to the sealing molding assembly 500;

and (3) sealing: after the seal forming assembly 500 performs the third stamping process on the upper end of the battery 120 through the compression sealing die 501, the battery 120 is sent to the shaping assembly 600;

shaping: after the shaping assembly 600 performs the fourth stamping process on the upper end of the battery 120 through the profiling flat sealing die head 601, the battery 120 is sent to the first detecting turntable 710;

and (3) primary detection: the first detecting rotary table 710 conveys the battery 120 to the second detecting rotary table 720, in the conveying process, the sealing height is detected by the sealing height detector 711, and the detected data is fed back to the controller, if the height does not meet the requirement, the controller marks the current battery 120 as a defective product;

and (3) secondary detection: the second detecting turntable 720 conveys the battery 120 to the third detecting turntable 730, in the conveying process, the surface size and the quality are detected by the CCD detecting camera 721, the detected data are fed back to the controller, and if the surface size or the quality does not meet the requirement, the controller marks the current battery 120 as a defective product;

And (3) detecting for three times: the third detecting turntable 730 conveys the battery 120 to the battery supporting component 740, in the conveying process, the total height of the battery 120 after the battery 120 is sealed and processed is detected by the discharging height detector 731, and the detected data is fed back to the controller, if the height does not meet the requirement, the controller marks the current battery 120 as a defective product;

support: the battery-in-support assembly 740 first places the battery 120 in the cup holder 130, and then sends the battery 120 carried on the cup holder 130 to the good turntable 760;

and (3) split-flow discharging: the good product turntable 760 performs shunt conveying according to the detection result of the battery 120;

if the battery 120 is good, the good turntable 760 sends the battery 120 to a good output position, and the good conveying line 780 sends the battery 120 to output;

if the battery 120 is defective, the good turntable 760 sends the battery 120 to a defective output position, the pushing cylinder 761 pushes defective from the good turntable 760 into the defective turntable 770, and the defective turntable 770 sends the battery 120 to the defective conveyor line 790 for output.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.

In the description of the present application, it should be understood that, where azimuth terms such as "front, rear, upper, lower, left, right", "transverse, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, only for convenience of description and simplification of the description, these azimuth terms do not indicate and imply that the apparatus or elements referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A cylindrical battery multistage formula seals processing equipment, its characterized in that:

the device comprises a feeding component, a primary compression component, a secondary compression component, a seal forming component, a shaping component and a discharging component which are sequentially arranged along the input direction of the battery;

the primary compression assembly is provided with a compression pre-sealing die head for carrying out primary punching closing-in on the battery, the compression pre-sealing die head is provided with a first molding conical surface, and the included angle between the first molding conical surface and the vertical plane is 35-45 degrees;

the secondary pressing assembly is provided with a pressing type secondary sealing die head for further pressing and closing up the battery, the pressing type secondary sealing die head is provided with a second forming conical surface, and the included angle between the second forming conical surface and the vertical plane is 55-75 degrees;

The seal molding assembly is provided with a compression type seal die head for punching and sealing the battery, and the compression type seal die head is provided with a seal molding surface;

the shaping assembly has a profiled flat seal die for press shaping the battery, the profiled flat seal die having a profiled shaping surface.

2. The cylindrical battery multi-segment sealing processing apparatus according to claim 1, wherein:

the feeding assembly comprises a conveying line, a feeding turntable, a middle turntable, a separating assembly and a first cup holder conveying line which are sequentially arranged;

the conveying line is used for conveying the batteries borne in the cup stand to the feeding turntable, and the input end of the feeding turntable is in butt joint with the conveying line;

the output end of the feeding turntable is in butt joint with the input end of the middle turntable, and the output end of the middle turntable is in butt joint with the input end of the separation assembly;

the separation assembly can separate the cup stand from the battery, the battery output end of the separation assembly is in butt joint with the input end of the primary compression assembly, and the cup stand output end of the separation assembly is in butt joint with the first cup stand conveying line.

3. The cylindrical battery multi-segment sealing processing apparatus according to claim 2, wherein:

the separation assembly comprises a rotating shaft, a first turntable, a second turntable and a lifting assembly which are sequentially arranged on the rotating shaft from top to bottom;

A plurality of first clamping claws for accommodating batteries are uniformly distributed on the periphery of the first rotary table;

a plurality of second clamping claws for accommodating the cup stand are uniformly distributed on the periphery of the second turntable;

the lifting assembly comprises a fixing frame and a lifting cam which are sequentially arranged on the rotating shaft from top to bottom, a plurality of lifting rods are uniformly distributed on the circumference of the fixing frame, the lifting rods vertically penetrate through the fixing frame, and the lower ends of the lifting rods are propped against the lifting cam through driving rollers;

the first clamping jaw, the second clamping jaw and the lifting rod are arranged in one-to-one correspondence;

the middle part of the bottom surface of the cup stand is provided with an opening for avoiding the lifting rod.

4. The cylindrical battery multi-segment sealing processing apparatus according to claim 3, wherein:

the input of feeding carousel is provided with the stopper, the carousel side is provided with the counter.

5. The cylindrical battery multi-segment sealing processing apparatus according to claim 4, wherein:

the discharging assembly comprises a first detection rotary table, a second detection rotary table, a third detection rotary table and a diversion mechanism which are sequentially arranged along the input direction of the battery; the first detection turntable is provided with a sealing height detector, the second detection turntable is provided with a CCD detection camera, and the third detection turntable is provided with a discharging height detector;

The distribution mechanism comprises an inferior product turntable and a good product turntable which are sequentially arranged, wherein a pushing cylinder is arranged on the good product turntable and is used for pushing inferior products into the input end of the inferior product turntable from the good product turntable.

6. The cylindrical battery multi-segment sealing processing apparatus according to claim 5, wherein:

the separation assembly department is provided with pan feeding height detector, stopper, counter, pan feeding height detector, seal height detector, CCD detects the camera, ejection of compact height detector and pushes away the material cylinder and all is connected with the controller electricity.

7. The cylindrical battery multi-segment sealing processing apparatus according to claim 5, wherein:

the third detection carousel is docked with the good product carousel through the mechanism of being in the palm, the mechanism of being in the palm includes second saucer transfer chain and battery and is in the palm the subassembly, battery is in the palm the subassembly and is separated the subassembly structure the same and input/output port is invertd, battery input and the third detection carousel of battery in the subassembly of being in the palm, and the saucer input and the second saucer transfer chain of battery in the subassembly of being in the palm are docked, and the output and the good product carousel input of battery in the palm the subassembly are docked.

8. The cylindrical battery multi-segment sealing processing apparatus according to claim 5, wherein:

The transition turntables for transferring the batteries are arranged between the feeding assembly and the primary compression assembly, between the primary compression assembly and the secondary compression assembly, between the secondary compression assembly and the sealing forming assembly, between the sealing forming assembly and the shaping assembly, and between the shaping assembly and the discharging assembly.

9. The cylindrical battery multi-segment sealing processing apparatus according to claim 1, wherein:

the primary pressing assembly, the secondary pressing assembly, the sealing forming assembly and the shaping assembly all comprise a turret, the turret comprises a first rotating shaft, a punching mechanism, a battery positioning mechanism, a third rotating disc and a jacking mechanism, and the punching mechanism, the battery positioning mechanism, the third rotating disc and the jacking mechanism are sequentially arranged on the first rotating shaft from top to bottom;

a plurality of third clamping claws for accommodating batteries are uniformly distributed on the periphery of the third rotary table;

the stamping mechanism comprises a first cam, a first frame body and stamping rods, wherein the first cam and the first frame body are sequentially arranged on a first rotating shaft from top to bottom, the stamping rods are in sliding fit with the first frame body along the vertical direction, the number of the stamping rods is equal to that of the third clamping jaws, one stamping rod is arranged above each third clamping jaw, a first cam groove is formed in the first cam, an upper roller is arranged in the first cam groove in a sliding manner, the upper roller is connected with the stamping rods, and corresponding dies are arranged at the lower ends of the stamping rods;

The battery positioning mechanism comprises a second frame body and battery positioning units which are arranged on the second frame body in an annular array mode, the number of the battery positioning units is equal to that of third clamping claws, one battery positioning unit is arranged above each third clamping claw, each battery positioning unit comprises a fixing sleeve and a plurality of clamping blocks with circumferences uniformly distributed in the fixing sleeve, each clamping block is in sliding fit with the fixing sleeve along the radial direction of the fixing sleeve, a spring is arranged between each clamping block and the fixing sleeve, an upper inclined surface is arranged on the outer side of the upper end of each clamping block, an opening clamp sleeve is arranged at the lower end of each stamping rod, and a lower inclined surface which is correspondingly matched with the upper inclined surface is arranged on the periphery of the lower end of each opening clamp sleeve;

the jacking mechanism comprises a second cam, a third frame body and ejector rods, the third frame body and the second cam are sequentially arranged on a first rotating shaft from top to bottom, the ejector rods are in sliding fit with the third frame body vertically, the number of the ejector rods is equal to that of third clamping jaws, one ejector rod is arranged below each third clamping jaw, a second cam groove is formed in the second cam groove, a lower roller is arranged in the second cam groove in a sliding mode, and the lower roller is connected with the ejector rods.

10. A multi-section type sealing processing method for a cylindrical battery is characterized by comprising the following steps of:

Punching and sealing by adopting the cylindrical battery multi-section sealing processing equipment of claim 6;

the method comprises the following steps:

and (3) feeding: the batteries loaded on the cup stand are sequentially sent to the separation assembly through the conveying line, the feeding turntable and the middle turntable;

and (3) separating from the support: the separation assembly separates the cup holder from the battery, sends the battery into the primary compression assembly, and sends the cup holder into the first cup holder conveying line;

primary compression: the primary pressing assembly performs primary punching processing on the upper end of the battery through a pressing pre-sealing die head, and then the battery is sent to the secondary pressing assembly;

secondary profiling: the secondary pressing assembly performs secondary punching processing on the upper end of the battery through a pressing type secondary sealing die head, and then the battery is sent to the sealing molding assembly;

and (3) sealing: the seal forming assembly performs third stamping processing on the upper end of the battery through a compression type sealing die head, and then the battery is sent to the shaping assembly;

shaping: the shaping assembly performs fourth stamping processing on the upper end of the battery through a profiling flat sealing die head, and then the battery is sent to a first detection turntable;

and (3) primary detection: the first detection rotary table conveys the battery to the second detection rotary table, in the conveying process, the sealing height is detected through a sealing height detector, detection data are fed back to the controller, and if the height does not meet the requirement, the controller marks the current battery as a defective product;

And (3) secondary detection: the second detection turntable conveys the battery to the third detection turntable, in the conveying process, the CCD detection camera detects the surface size and quality, detection data are fed back to the controller, and if the surface size or quality does not meet the requirement, the controller marks the current battery as a defective product;

and (3) detecting for three times: the third detection turntable conveys the battery to the battery supporting component, in the conveying process, the total height of the battery after the battery seal is processed is detected by a discharge height detector, detection data is fed back to the controller, and if the height does not meet the requirement, the controller marks the current battery as a defective product;

support: the battery supporting component firstly places the battery into the cup holder, and then sends the battery borne on the cup holder to the good product turntable;

and (3) split-flow discharging: the good product turntable carries out shunt conveying according to the detection result of the battery;

if the battery is good, the good turntable conveys the battery to a good output position, and the good conveying line conveys the battery to output;

if the battery is defective, the good product turntable sends the battery to a defective output position, the material pushing cylinder pushes the defective into the defective turntable from the good product turntable, and the defective turntable sends the battery to a defective conveying line for output.