CN110539107A - automatic welding machine - Google Patents

Abstract

The invention discloses an automatic welding machine, which includes a top cover feeding device, a cell feeding device, a transmission device, a welding protection device, a welding device and a feeding device, and the welding protection device, the welding device and the feeding device are along the The transmission path of the transmission device is set in sequence. The transmission device receives the top cover and the battery core that are loaded, and transmits the top cover and the battery core through the welding protection device, the welding device and the unloading device in sequence. In this application, through the rational layout and setting of the top cover feeding device, the cell feeding device, the transmission device, the welding device and the unloading device, the protection sheet, the cell and the top cover can be automatically welded smoothly, and the welding efficiency and welding efficiency are improved. production capacity, thereby improving the production efficiency and production capacity of lithium batteries; in addition, the welding protection is carried out through the protective cover provided by the welding protection device, which avoids the influence of welding dust, ensures the welding quality, reduces the output of defective welding products, and further Increased welding productivity.

Description

automatic welding machine

technical field

The invention relates to the field of welding technology, in particular to an automatic welding machine.

Background technique

With the development of science and technology, lithium batteries, as an efficient and environmentally friendly new energy battery, are more and more widely used in vehicles, electronic equipment and power systems. The protective sheet, the top cover and the battery cell are important parts of the lithium battery. During the production process of the lithium battery, the protective sheet, the battery tab and the top cover need to be welded to facilitate subsequent production; in the existing In the technology, although there is equipment to realize the above welding process, the layout of each station of this equipment is unreasonable and requires more manual participation, resulting in low welding production capacity, which in turn affects the subsequent production efficiency of the entire lithium battery . In addition, the dust generated during the welding process will adversely affect the welding quality, which will lead to an increase in defective welding products and indirectly affect the welding production capacity.

Contents of the invention

Aiming at the deficiencies of the prior art, the invention provides an automatic welding machine.

An automatic welding machine includes a top cover feeding device, a cell feeding device, a transmission device, a welding protection device, a welding device, and a feeding device; Setting; the top cover feeding device is used for loading the top cover, the cell feeding device is used for charging the cells, the transmission device receives the loaded top cover and cells, and transmits the top cover and cells to be welded in sequence Protection device, welding device and blanking device. The welding protection device provides protective sheet and protective cover. The welding device welds the top cover, protective sheet and battery core. The protective cover provides protection during welding. The blanking device provides welding for the battery cell cutting.

Compared with the existing technology, through the reasonable layout of the top cover feeding device, cell feeding device, transmission device, welding device and unloading device, the protective sheet, cell and top cover can be automatically welded smoothly, improving The welding efficiency and welding capacity are improved, thereby improving the production efficiency and capacity of lithium batteries; in addition, the welding protection is carried out through the protective cover provided by the welding protection device, which avoids the influence of welding dust, ensures the welding quality, and reduces the risk of defective welding products The output further improves the welding production capacity.

Description of drawings

The drawings described here are used to provide a further understanding of the application and constitute a part of the application. The schematic embodiments and descriptions of the application are used to explain the application and do not constitute an improper limitation to the application. In the attached picture:

Fig. 1 is the structural representation of automatic welding machine in the present embodiment;

Fig. 2 is the structural representation of top cover feeding mechanism and top cover shaping mechanism in the present embodiment;

Fig. 3 is the structural representation of dolly and roof lifting assembly in the present embodiment;

Fig. 4 is the structural representation of roof shaping mechanism in the present embodiment;

Fig. 5 is the schematic structural view of the plastic fixture in the present embodiment;

Fig. 6 is a structural schematic diagram of the top cover buffer transfer mechanism in this embodiment;

FIG. 7 is a schematic structural view of the cell feeding device in this embodiment;

Fig. 8 is a schematic structural diagram of the transfer adjustment assembly in this embodiment;

FIG. 9 is a schematic structural diagram of the transmission device in this embodiment;

Fig. 10 is a schematic diagram of the partial structure of the welding fixture and the transmission device in this embodiment;

Fig. 11 is a schematic structural view of the welding fixture in this embodiment;

Fig. 12 is a schematic diagram of the internal structure of the welding fixture in this embodiment;

Fig. 13 is a schematic structural view of the welding protection device in this embodiment;

Fig. 14 is a schematic structural view of the feeding part of the protective sheet in this embodiment;

Fig. 15 is a schematic structural view of the protective sheet loading platform in this embodiment;

Fig. 16 is an enlarged view of part B of Fig. 14 in this embodiment;

Fig. 17 is an enlarged view of part A of Fig. 13 in this embodiment;

Figure 18 is a schematic structural view of the protective sheet positioning dust removal part in this embodiment;

Fig. 19 is another schematic structural view of the protective sheet positioning dust removal part in this embodiment;

Fig. 20 is a schematic structural view of the positioning reference member of the protection sheet in this embodiment;

Fig. 21 is a schematic structural view of a protective cover in another embodiment;

Fig. 22 is a structural schematic diagram of another viewing angle of the protective cover in another embodiment;

Fig. 23 is a schematic structural view of the welding device in this embodiment;

Fig. 24 is a structural schematic diagram of the welding and printing leveling and dust removal mechanism in this embodiment;

Fig. 25 is the schematic structural view of leveling the dust removal block in the present embodiment

Fig. 26 is a schematic structural view of the gluing device in this embodiment.

Detailed ways

A number of embodiments of the present invention will be disclosed in the following figures. For the sake of clarity, many practical details will be described together in the following description. It should be understood, however, that these practical details should not be used to limit the invention. That is, in some embodiments of the invention, these practical details are not necessary. In addition, for the sake of simplifying the drawings, some well-known and commonly used structures and components will be shown in a simple schematic manner in the drawings.

It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain each If the relative positional relationship, movement conditions, etc. between the components change, the directional indication will also change accordingly.

In addition, in the present invention, descriptions such as "first", "second" and so on are only for the purpose of description, and do not refer to the meaning of sequence or sequence, nor are they intended to limit the present invention, but are only for the purpose of distinguishing the following The components or operations described by the same technical terms are only used, but should not be understood as indicating or implying their relative importance or implying the number of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions of the various embodiments can be combined with each other, but it must be based on the realization of those skilled in the art. When the combination of technical solutions is contradictory or cannot be realized, it should be considered that the combination of technical solutions does not exist , nor within the scope of protection required by the present invention.

In order to further understand the content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

Referring to FIG. 1, FIG. 1 is a schematic structural view of the automatic welding machine in this embodiment. The automatic welding machine in this embodiment includes a top cover feeding device 1 , a cell feeding device 2 , a transmission device 3 , a welding protection device 4 , a welding device 5 and a feeding device 6 . The welding protection device 4, the welding device 5 and the unloading device 6 are sequentially arranged along the conveying path of the conveying device 3; the top cover feeding device 1 is used for loading the top cover, and the cell loading device 2 is used for loading the cells Material, the transmission device 3 receives the top cover and the battery core of the material, and transmits the top cover and the battery core through the welding protection device 4, the welding device 5 and the unloading device 6 in sequence. The welding protection device 4 provides a protective sheet and a protective cover, and the welding The device 5 welds the top cover, the protective sheet and the electric core, the protective cover provides protection during welding, and the unloading device 6 unloads the welded electric core.

Through the reasonable layout of the top cover feeding device 1, the cell feeding device 2, the transmission device 3, the welding device 5, and the unloading device 6, the protection sheet, the cell and the top cover can be automatically welded smoothly, and the welding is improved. Efficiency and welding capacity, thereby improving the production efficiency and capacity of lithium batteries. In addition, the welding protection is performed through the protective cover provided by the welding protection device 4, which avoids the influence of welding dust, ensures welding quality, reduces the output of defective welding products, and further improves welding production capacity.

Referring again to FIG. 1 , further, the automatic welding machine in this embodiment also includes a protective cover blanking and leveling device 7 . The protective cover blanking and leveling device 7 is arranged on the conveying path of the conveying device 3 and adjacent to the welding device 5 . The protective cover blanking and leveling device 7 is used for the protective cover blanking and welding printing leveling after welding. The protective cover blanking and leveling device 7 is used to blank the protective cover, so that the welding part is exposed, and then the welding burrs on the welding part are leveled to further ensure the welding quality and improve the subsequent lithium battery production capacity.

Referring again to FIG. 1 , further, the automatic welding machine in this embodiment further includes a glue application device 8 . The gluing device 8 is arranged on the conveying path of the conveying device 3 and is adjacent to the protective cover blanking and leveling device 7 . The gluing device 8 is used for gluing the battery cells after welding and printing leveling. Glue is applied to the welded and leveled battery cells by the glue sticking device 8, so that the battery cells welded to each other form a whole, which is convenient for the processing of the subsequent production process.

Referring again to FIG. 1 , further, the roof feeding device 1 includes a roof feeding mechanism 11 , a roof shaping mechanism 12 , a roof marking mechanism 13 and a roof buffering and transferring mechanism 14 arranged in sequence. The top cover feeding mechanism 11 is used for top cover loading, the top cover shaping mechanism 12 receives the loaded top cover and performs shaping, the top cover marking mechanism 13 receives the shaped top cover and performs coding, and the top cover is cached and transferred The mechanism 14 receives the marked top cover, and buffers and transfers it to the transmission device 3 . The top cover is automatically loaded through the top cover feeding mechanism 11, and then transferred to the top cover shaping mechanism 12 for shaping to ensure subsequent welding quality, and then the top cover is engraved and scanned by the top cover marking mechanism 13, so that The top cover obtains its own logo, which is convenient for subsequent welding and production management, and then the top cover is buffered and loaded by the top cover buffer transfer mechanism 14, so as to ensure the uninterrupted supply of the top cover of the transmission device 3 and ensure the follow-up process. Go smoothly. In the specific arrangement, one end of the top cover feeding mechanism 11 is connected to one end of the top cover shaping mechanism 12, and the other end of the top cover shaping mechanism 12 is adjacent to the top cover coding mechanism 13; one end of the top cover buffer transfer mechanism 14 Adjacent to the top cover coding mechanism 13 , the other end thereof extends toward the transmission device 3 and is adjacent to the start end of the transmission device 3 . In this embodiment, the connecting line of the top cover feeding mechanism 11 and the top cover shaping mechanism 12 and the top cover buffer transfer mechanism 14 are arranged at right angles to the extension direction of the conveying device 3, so that the entire top cover feeding device 1 is formed with a top cover label. The code mechanism 13 is an approximate "L"-shaped layout structure at the corner, so as to form a reasonable cooperative layout with the transmission device 3, which ensures the smoothness of top cover feeding, shaping, coding and buffer transfer, and can save space and reduce business costs.

Continuing to refer to FIG. 1 and FIG. 2 , FIG. 2 is a structural schematic diagram of the top cover feeding mechanism and the top cover shaping mechanism in this embodiment. Furthermore, the top cover loading mechanism 11 includes a trolley 111 , a top cover loading frame 112 , a top cover lifting component 113 , a tray unloading component 114 and a top cover transfer component 115 . The top cover lifting assembly 113 is arranged on the top cover loading rack 112; the tray unloading assembly 114 is arranged on the top cover loading rack 112 and is located above the top cover lifting assembly 113; the top cover transfer assembly 115 is arranged on the top cover feeding The upper end of the rack 112 is positioned above the tray unloading assembly 114. The trolley 111 exists independently and can cooperate with the top cover loading rack 112, the top cover lifting assembly 113 and the tray unloading assembly 114 respectively. The trolley 111 transfers the tray carrying the top cover into the top cover loading rack 112, and is connected with the lifting end of the top cover lifting assembly 113, and the top cover lifting assembly 113 lifts the tray to make it close to the top cover transfer assembly 115, The cover transfer component 115 transfers the top cover on the tray to the top cover shaping mechanism 12, and after the top cover on the tray is transferred, the tray unloading component 114 unloads the empty tray.

Continuing to refer to FIG. 2 and FIG. 3 , FIG. 3 is a schematic structural diagram of the trolley and the roof lifting assembly in this embodiment. Furthermore, the trolley 111 includes a chassis 1111 , a back frame 1112 and a locking portion 1113 . The back frame 1112 is vertically arranged at one end of the upper surface of the bottom frame 1111, and the two form an "L"-shaped frame body. The lower surface of the undercarriage 1111 is provided with rollers to facilitate the movement of the trolley 111, the upper surface of the undercarriage 1111 carries the material pan, the top cover is housed on the material pan, and the undercarriage 1111 has a vacant position acting on the material pan from below In order to facilitate the lifting action of the top cover lifting assembly 113 on the charging tray. The side of the back frame 1112 facing away from the under frame 1111 is provided with a handle, so as to facilitate manual pushing; The height direction of the frame 1112 is set to limit the loading and lifting movement of the tray. The locking portion 1113 is located at the end of the bottom frame 1111 away from the back frame 1112 , which can be locked so that the trolley 111 is in a stable state, so as to facilitate the lifting action of the top cover lifting assembly 113 . The number of trolleys 111 in this embodiment is four, two of which are fully loaded and two are empty. The top cover loading rack 112 has a top cover unloading area 1121 and a tray unloading area 1122, the top cover unloading area 1121 and the tray unloading area 1122 are arranged along the length direction of the top cover loading rack 112, the specific arrangement It can be determined according to the actual situation. In this embodiment, the two top cover unloading areas 1121 are located in the middle, and the two tray unloading areas 1122 are located outside. The top cover lifting component 113 is disposed on the top cover feeding frame 112 , and the lifting end of the top cover lifting component 113 is located in the top cover unloading area 1121 or the tray unloading area 1122 . The number of top cover lifting assemblies 113 is four, and the four top cover lifting assemblies 113 are arranged in sequence along the length direction of the top cover loading rack 112, and are respectively connected to two top cover discharge areas 1121 and two material trays for discharge. District 1122 is facing each other. The top cover lifting assembly 113 includes a lifting driving part 1131 , a lifting platform 1132 and an electromagnetic locking part 1133 . The lifting driver 1131 is arranged on the top cover feeding rack 112 along the height direction of the top cover feeding rack 112 , the lifting platform 1132 is connected with the output end of the lifting driving part 1131 , and the electromagnetic locking part 1133 is arranged at the lower end of the lifting driving part 1131 . Preferably, the top cover lifting assembly 113 further includes a locking sensor 1134 . The locking sensing part 1134 is disposed at the lower end of the lifting driving part 1131 and adjacent to the electromagnetic locking part 1133 . Manually load the top cover on the tray from the storage top cover, stack multiple full-load trays on the undercarriage 1111, and then push the trolley 111 to the top cover unloading area 1121, and make the locking part 1113 and the electromagnetic locking part 1133 and the locking sensor 1134 are docked, the locking sensor 1134 senses that the locking part 1113 is in place, and the electromagnetic locking part 1133 absorbs and locks the locking part 1113, so that the trolley is firmly placed in the top cover unloading area 1121. At this time, the lifting platform 1132 is placed on the The evacuation position of the chassis 1111 is located below the bottom tray, and then the lifting driver 1131 drives the lifting platform 1132 to rise, and then drives the stacked trays to rise, so that the top cover carried by the top tray is close to the top cover transfer assembly 115. The top cover transfer assembly 115 sequentially transfers the top cover to the top cover shaping mechanism 12. When the top cover carried by the uppermost material tray is removed, the lifting driver 1131 drives the lifting platform 1132 to rise and approach the material tray unloading assembly 114. The tray unloading assembly 114 transfers the unloaded trays to the tray unloading area 1122 , and is received by the top cover lifting assembly 113 of the tray unloading area 1122 and transferred to the trolley 111 carried in the tray unloading area 1122 . The lifting driving part 1131 in this embodiment can be a pneumatic slide table, the electromagnetic locking part 1133 can be an electromagnet, the locking sensing part 1134 can be a proximity switch, and the locking part 1113 can be an iron plate. The electromagnetic locking of the trolley 111 realized by the electromagnetic locking member 1133 is more convenient and stable than the mechanical locking, and the unlocking is also more convenient. In a specific application, the tray unloading assembly 114 can adopt the cooperation of slide rails, guide rods, suction cups and linear modules, which will not be repeated here. The cap transfer assembly 115 includes an X-axis linear driver 1151 , a Y-axis linear driver 1152 , a Z-axis linear driver 1153 and a cap clamp 1154 . The X-axis linear driver 1151 , the Y-axis linear driver 1152 , and the Z-axis linear driver 1153 form an XYZ three-degree linear drive fit, and the top cover clamping member 1154 is disposed on the Z-axis linear driver 1153 . Preferably, two X-axis linear drive members 1151 are arranged side by side, so that the linear movement of the top cover on the X-axis is a double-track drive, ensuring the stability of the top cover in translation to the top cover shaping mechanism 12 . In this embodiment, the X-axis linear driver 1151 , the Y-axis linear driver 1152 , and the Z-axis linear driver 1153 can use a linear module, and the top cover clamp 1154 can use a pneumatic gripper.

Continuing to refer to FIG. 4 and FIG. 5 , FIG. 4 is a schematic structural diagram of the roof shaping mechanism in this embodiment, and FIG. 5 is a structural schematic diagram of a shaping jig in this embodiment. The roof shaping mechanism 12 includes a roof shaping transmission assembly 121 , a roof shaping assembly 122 and a shaping jig 123 . One end of the roof shaping transmission assembly 121 is adjacent to the roof transfer assembly 115, specifically, the end of the roof shaping transmission assembly 121 extends below the X-axis linear driver 1151, and the other end of the roof shaping transmission assembly 121 faces The direction of the top cover coding mechanism 13 extends and is adjacent to it. The transmission end of the roof shaping transmission assembly 121 is connected to the plastic shaping jig 123, the roof shaping assembly 122 is arranged on the transmission path of the roof shaping transmission assembly 121, and the shaping jig 123 is used to carry the roof transferred by the roof transfer assembly 115 100 , the cap shaping transmission component 121 transmits the shaping jig 123 , and the cap shaping component 122 shapes the cap tab 1001 carried by the passing shaping jig 123 . The top cover shaping transmission component 121 can adopt the cooperation of bracket, motor, gear, rack, slide rail and platform. The rack and slide rail are laid flat on the bracket, the platform is slidingly connected to the bracket through the slide rail, and the motor is arranged under the platform. On the surface, the gear meshes with the rack, and the motor drives the gear to move linearly on the rack, driving the platform to move linearly, and the shaping jig 123 is arranged on the upper surface of the platform. Of course, in another embodiment, the top cover shaping transmission assembly 121 can also adopt linear drive elements in the prior art such as linear modules and belt transmission lines. The cap shaping assembly 122 includes a shaping bracket 1221 , a shaping driving member 1222 and a shaping pressing block 1223 . The shaping bracket 1221 is arranged horizontally above the top cover shaping transmission assembly 1221, the shaping driving part 1222 is arranged on the top cover shaping transmission assembly 121, and its driving end is connected with the shaping pressing block 1223, and the shaping driving part 1222 drives the shaping pressing block 1223 along the vertical It moves linearly in the conveying direction of the cap shaping conveying assembly 121 . The shaping support 1221 in this embodiment can be a gantry frame, and the shaping driving part 1222 can be an air cylinder. The shaping jig 123 includes a bearing portion 1231 and a shaping supporting portion 1232 . The bearing part 1231 has a top cover bearing position, and the top cover bearing position is used for positioning and bearing of the top cover 100 , for example, adopting a groove matched with the top cover for bearing. The shaping support part 1232 is arranged on the bearing part 1231 and is adjacent to the top cover bearing position. When the top cover 100 is carried on the top cover bearing position, the top cover tab 1001 at the end will extend toward the top of the shaping support part 1232 and be in contact with the top cover bearing position. The upper surface of the shaping support part 1232 is attached, and the shaping support part 1232 is used to provide support when the top cover tab 1001 is shaped. The number of shaping support parts 1232 is two, and the two shaping support parts 1232 are arranged side by side with a space between them, and the space is adapted to the space between the two top cover tabs 1001 of the top cover 100, preferably Yes, the interval between the two shaping support parts 1232 is consistent with the interval between the two top cover tabs 1001 of the top cover 100 or slightly larger than the interval between the two top cover tabs 1001, the two shaping support parts 1232 Respectively provide supports for the two top cover tabs 1001 of the top cover 100 during shaping. In this embodiment, the bearing part 1231 is in the shape of a plate, and the shaping support part 1232 is in the shape of a block. Preferably, the shaping supporting part 1232 is in the shape of a step, and the steps of the two shaping supporting parts 1232 face each other. During shaping, the top cover shaping transmission assembly 121 first drives the shaping jig 123 to move below the X-axis linear driver 1151, and the X-axis linear driver 1151, Y-axis linear driver 1152, and Z-axis linear driver 1153 cooperate to drive The top cover clamping part 1154, so that the top cover 100 clamped by the top cover clamping part 1154 is directly placed in the top cover bearing position of the bearing part 1231; then the top cover shaping transmission assembly 121 drives the plastic shaping fixture 123 to move the plastic pressure directly below the block 1223, so that the shaping pressing block 1223 is facing the top cover tab 1001, and then the shaping driving part 1222 drives the shaping pressing block 1223 to press on the upper surface of the top cover tab 1001, and cooperates with the shaping support part 1232 to align the top The cover tab 1001 is pressed and leveled to complete the shaping, so as to ensure the subsequent welding quality. Preferably, the orthopedic jig 123 further includes a top cover clamping portion 1233 , and the top cover clamping portion 1233 is used to clamp and stabilize the top cover 100 . In a specific application, the top cover clamping part 1233 is disposed on the carrying part 1231 and is located on a side of the top cover carrying position away from the shaping support part 1232 . The top cover clamping part 1233 includes a top cover clamping driver 12331 and two top cover clamping parts 12332; the top cover clamping driver 12331 is respectively connected with the two top cover clamping parts 12332, which drives the two top cover clamps The holder 12332 clamps both ends of the top cover 100 . The top cover clamping driver 12331 in this embodiment can adopt a cylinder or a two-way cylinder, and the top cover clamping part 12332 can adopt an approximate "L" splint assembled by two strip plates, and the combined position of the two strip plates Adjustable to fit and clip to different sized top covers 100 . Preferably, the end of the top cover clamping part 12332 is provided with a top cover clamping position 123321 to increase the stability of the two top cover clamping parts 12332 for clamping the top cover 100 . Preferably, the shaping jig 123 further includes a top cover lug guiding part 1234, and the top cover tab guiding part 1234 is used for guiding the top cover tab 1001, so as to ensure the correct position of the subsequent welding, thereby ensuring the welding quality. In a specific application, the tab guide portion 1234 of the top cover is disposed on a side of the shaping support portion 1232 away from the clamping portion 1233 of the top cover. The top cover lug guiding part 1234 includes a guiding driving part 12341 and two guiding parts 12342 , and the guiding driving part 12341 drives the two guiding parts 12342 to guide the two top cover tabs 1001 . Specifically, two guides 12342 are arranged side by side with a space between them. The beginning of the guide piece 12342 is connected to the guide drive piece 12341, the end of the guide piece 12342 extends between the two top cover clamping parts 1233, and the end of the guide part 12342 is parallel to the top cover clamping part 1233, The end of the guide piece 12342 is opposite to the top cover 100 . The guiding driver 12341 drives the two guiding pieces 12342 away from each other, so that the two guiding pieces 12342 that are far away from each other are attached to the opposite inner sides of the two top cover tabs 1001 respectively, and the guiding is completed. After the guiding is completed, the guiding The positive driver 12341 then drives the two positive guides 12342 to approach each other. The pilot driving part 12341 in this embodiment can be a cylinder or a two-way cylinder, the end of the pilot part 12342 is a bar-shaped block, and the beginning of the pilot part 12342 is a T-shaped block. Preferably, the pilot part The lower surface of the starting end of 12342 is slidably connected to the upper surface of the bearing part 1231 through a slide rail. Preferably, the top cover lug guiding part 1234 also includes two guiding and limiting parts 12343, and the two guiding and limiting parts 12343 are respectively located on opposite sides of the starting end of the guiding part 12342, and the guiding and limiting parts 12343 are opposite to the two sides. The guiding distance of each guiding member 12342 is limited to prevent excessive guiding from causing damage to the top cover tab 1001. The guiding limiting member 12343 in this embodiment is block-shaped, and it can be arranged on the bearing guide. Genuine 12342 end of slide rail. Preferably, the top cover lug guiding part 1234 also includes a guiding positioning part 12344, and the guiding positioning part 12344 positions the initial point of the guiding displacement of the two guiding parts 12342, so as to ensure that the two guiding parts 12342 simultaneously Guide the two top cover tabs 1001. The guiding positioning part 12344 is located between the two guiding parts 12342, the central axis of the guiding positioning part 12344 is vertically intersected with the line connecting the two shaping support parts 1232, and the distance from the intersection point to the two shaping supporting parts 1232 is consistent In this way, when the top cover 100 is loaded on the bearing position, the central axis of the top cover 100 overlaps with the central axis of the guiding positioning member 12344 . The guiding and positioning member 12344 in this embodiment is in the shape of a rectangular block. When guiding, the piloting driving part 12341 first drives the two guiding parts 12342 to be close to each other and sticks to the guiding positioning part 12344, and then drives the two guiding parts 12342 to move away from the guiding positioning part 12344 synchronously, so that the two guiding parts 12342 A guide piece 12342 guides the two top cover tabs 1001 synchronously; preferably, when designing a specific stroke, the starting ends of the two guide pieces 12342 can be respectively abutted against the two guide stoppers 12343 , the two guide pieces 12342 just complete the guide of the tab 1001 on the top cover. In a specific application, the guiding of the guiding part 12342 can be performed before and after the pressing of the shaping pressing block 1223. Preferably, the guiding of the guiding part 12342 is carried out after the pressing of the shaping pressing block 1223, so that the guiding effect is better .

Referring again to FIG. 1 , further, the top cover code marking mechanism 13 includes a code transfer component 131 , a code marking turntable component 132 , a code engraving component 133 and a code scanning component 134 . The code transfer assembly 131 , the code engraving assembly 133 , the code scanning assembly 134 , and the top cover buffer transfer mechanism 14 are sequentially arranged along the conveying direction of the code turntable assembly 132 . One end cover shaping mechanism 12 of the code transfer assembly 131 is adjacent, and its other end is adjacent to the code transfer assembly 131. material level, and then the marking carousel assembly 132 drives the top cover 100 to engrave the code sequentially through the position of the engraving assembly 133, scan the code at the position of the scanning code assembly 134, and unload the material through the position of the top cover buffer transfer mechanism 14. Engrave and scan the code on the top cover to facilitate the tracking management of the top cover welding production. In specific applications, the code transfer assembly 131 can adopt the cooperation of the linear module and the electric gripper; Four jigs are set at intervals in sequence to form the loading position, marking position, scanning position and discharging position; the marking component 133 can use a laser engraving machine, and the scanning component 134 can use a scanning gun, which is not mentioned here. repeat.

Continuing to refer to FIG. 6 , FIG. 6 is a schematic structural diagram of the top cover buffer transfer mechanism in this embodiment. Furthermore, the roof buffer transfer mechanism 14 includes a roof buffer loading assembly 141 , a roof buffer assembly 142 and a roof buffer transfer assembly 143 arranged in sequence. The top cover buffer loading component 141 receives the top cover at the lower level of the marking carousel component 132, and transfers it to the top cover buffer component 142, the top cover buffer component 142 performs buffer transmission on the top cover, and the top cover buffer transfer component 143 receives the top cover The buffer assembly 142 buffers the top cover and transfers it to the transfer device 3 . Compared with the single transmission and feeding mode of the top cover in the traditional mode, through the cooperative setting of the top cover buffering and feeding component 141, the top cover buffering component 142 and the top cover buffering and transferring component 143, the buffering, conveying and feeding of the top cover is realized, even if there is a When the top cover is unqualified, the top cover cached on the top cover buffer component 142 can still ensure the normal feeding cycle, realize uninterrupted feeding, and ensure the smooth progress of the subsequent process. In this embodiment, both the top cover buffer loading assembly 141 and the top cover buffer transfer assembly 143 can use the cooperation of linear modules and electric grippers, and the top cover buffer assembly 142 can use a conveyor belt mechanism. Preferably, the top cover buffer transfer mechanism 14 further includes a top cover defective product temporary storage component 144 . The top cover defect temporary storage component 144 is arranged on the transfer path of the top cover buffer loading component 141, and it receives unqualified top covers. Specifically, when the top cover has an error in engraving the code or cannot recognize the scanned code, it will be transferred by the top cover buffer loading component 141 to the top cover defective product temporary storage component 144 for subsequent processing. Preferably, the top cover defective temporary storage assembly 144 is arranged above the top cover buffer assembly 142, and the two are arranged in parallel, and the beginning and end of the top cover buffer assembly 142 are respectively exposed to the beginning and end of the top cover defective temporary storage assembly 144. outside the end, so as to facilitate the loading and unloading action of the top cover buffer loading assembly 141 and the top cover buffer transfer assembly 143 . The top-cover defect temporary storage component 144 and the top-cover buffer component 142 arranged in layers are convenient to save the occupied area. The temporary storage assembly 144 for the defective top cover in this embodiment can adopt a conveyor belt mechanism.

Continuing to refer to FIG. 1 , FIG. 7 and FIG. 8 , FIG. 7 is a schematic structural diagram of the cell feeding device in this embodiment, and FIG. 8 is a structural schematic diagram of a transfer adjustment assembly in this embodiment. Furthermore, the cell feeding device 2 includes a cell feeding mechanism 21 , a cell feeding transfer mechanism 22 and a cell transfer mechanism 23 arranged in sequence. The cell feeding mechanism 21 is used for charging the cells, the cell feeding transfer mechanism 22 receives the loaded cells and adjusts the spacing, and the cell transfer mechanism 23 receives the cells after the spacing adjustment and transfers them to the transmission device 3. It can be understood that, in order to improve the welding efficiency and production capacity, the battery core also adopts double-station feeding to the transmission device 3 to cooperate with the top cover for welding. Before the electric core is transferred to the automatic welding machine in this embodiment for welding, the distance between two adjacent electric cores is inconsistent with the distance between two adjacent electric cores during welding, that is, it cannot be adapted to the double The top cover of the station feeding is welded through the cell feeding transfer mechanism 22 to adjust the distance between two adjacent cells, so that it can be adapted to the distance of the top cover of the double station feeding for welding. It provides favorable conditions for subsequent double-station welding. Specifically, the cell feeding mechanism 21 includes a cell feeding support frame 211 , a cell feeding drive assembly 212 and two cell feeding clamping assemblies 213 . The cell loading drive assembly 212 is located on the upper end of the cell loading support frame 211, and its output end is connected to the two cell loading clamping assemblies 213, and the cell loading drive assembly 212 drives the two cell loading clamps The holding component 213 is close to the external cells. After the cell loading and clamping component 213 grabs the cells, the cell loading drive component 212 drives the cell loading and clamping component 213 to transfer the cells to the cell loading transfer mechanism. 22 adjustment bits. The cell feeding drive assembly 212 in this embodiment can use an XY axis linear module, and the cell feeding clamping assembly 213 can use pneumatic or electric grippers adapted to the cells. The cell loading transfer mechanism 22 includes a transfer drive assembly 221 , a transfer table 222 and a transfer adjustment assembly 223 . The driving end of the transfer drive assembly 221 is connected to the transfer table 222. The transfer adjustment assembly 223 is installed on the transfer table 222. The transfer adjustment assembly 223 receives the two batteries transferred from the cell feeding mechanism 21 and adjusts the distance. The transfer drive assembly 221 The turntable 222 is driven to move linearly, and the adjusted two electric cells are driven close to the electric cell transfer mechanism 23 . The relay drive assembly 221 in this embodiment can adopt a linear module, and the transfer table 222 is flat. Preferably, the transfer table 222 can be guided by guide rails to ensure the stability of the linear drive of the relay drive assembly 221 . The relay adjusting assembly 223 includes an adjusting positioning part 2231 , an adjusting driving part 2232 and an adjusting moving part 2233 . The adjustment positioning part 2231 is set on the transfer platform 222, and the adjustment movement part 2233 is slidably connected to the transfer platform 222. The adjustment positioning part 2231 and the adjustment movement part 2233 respectively carry batteries, and the driving end of the adjustment drive part 2232 is connected to the adjustment movement part 2233 The adjustment drive part 2232 drives the adjustment movement part 2233 away from or close to the adjustment positioning part 2231, thereby realizing the adjustment of the distance between the two battery cells. The adjustment movement part 2233 includes an adjustment movement table 22321 , an adjustment bearing frame 22322 , an adjustment clamping driving part 22323 and an adjustment clamping part 22324 . The transfer table 222 is provided with a motion slide rail 2221, the lower surface of the motion table 22321 is slidably connected to the motion slide rail 2221, the adjustment bearing frame 22322 is arranged on the upper surface of the motion table 22321, and the upper end of the adjustment load frame 22322 is equipped with a cell load plate 223221, the cell carrying plate 223221 is used to carry the cell. The adjustment clamping driver 22323 is arranged in the adjustment carrier 22322, and its driving end is connected with the adjustment clamping part 22324, and the adjustment clamping driver 22323 drives the adjustment clamping part 22324 to clamp the battery cells carried by the cell carrier plate 223221 Specifically, the adjusting clamping part 22324 has two clamping blocks 223241, the adjusting clamping driving part 22323 has two driving ends, and the two driving ends of the adjusting clamping driving part 22323 are respectively connected to one end of the two clamping blocks 223241, The other ends of the two clamping blocks 223241 extend toward the top of the cell carrying plate 223221 and face the cells carried by the cell carrying plate 223221 respectively. The two clamping blocks 223241 are facing each other, and the clamping driver 22323 is adjusted to drive the two clamping blocks 223241 are close to each other to clamp the electric core; the adjustment clamping drive 22323 in this embodiment can adopt a two-way cylinder, and the clamping block 223241 can adopt a rectangular block shape, preferably, the clamping block 223241 can adopt an "L" block shape . Preferably, the number of the adjustment clamping driver 22323 and the adjustment clamping member 22324 are two, wherein one adjustment clamping driver 22323 and the adjustment clamping member 22324 are clamped from opposite sides of the electric core, and the other The adjustment clamping driver 22323 and the adjustment clamping member 22324 are clamped from the opposite two sides of the cell, so that a stable structure for clamping the cell in four directions can be formed. Preferably, the four sides of the cell supporting plate 223221 are provided with space-avoiding grooves 223222 for clamping by the clamp block 223241, and the surface of the clamp block 223241 is provided with a space-avoiding platform 223223 for placing and grabbing the power supply core. The output end of the adjustment drive part 2232 is connected to the motion table 22321, and the adjustment drive part 2232 drives the motion table 22321 to slide on the motion slide rail 2221, thereby realizing the linear movement of the electric core carried by the adjustment motion part 2233, realizing the distance between the two electric cores. Spacing adjustment. The adjustment driving part 2232 in this embodiment can use a cylinder. The adjustment positioning part 2231 is for the cooperation of the adjustment carrier 22322, the adjustment clamping driver 22323 and the adjustment clamping part 22324. The adjustment carrier 22322 of the adjustment positioning part 2231 is directly arranged on the upper surface of the turntable 222, and is connected with the adjustment movement part 2233 The adjustment carrier 22322 is facing. The structure and operating principle of the cell transfer mechanism 23 are consistent with the structure and operating principle of the cell feeding mechanism 21 , and will not be repeated here. The cell feeding mechanism 21 first feeds two cells to the cell feeding transfer mechanism 22. After the cell feeding transfer mechanism 22 adjusts the distance between the two cells, it transfers to the cell transfer mechanism 23. The core transfer mechanism 23 grabs the battery cells after the spacing is adjusted, and then transfers them to the transmission device 3 . Preferably, the cell transfer mechanism 23 is vertically arranged with the cell feeding mechanism 21, so as to save layout space.

Continuing to refer to FIG. 1 and FIG. 9 , FIG. 9 is a schematic structural diagram of the transmission device in this embodiment. Furthermore, the transmission device 3 includes a transmission mechanism 31 and a welding jig 32 . The welding fixture 32 is connected to the transmission end of the transmission mechanism 31, the transmission mechanism 31 transmits the welding fixture 32, and the welding fixture 32 receives the top cover, the battery core, the protective sheet and the protective cover in turn, or the welding fixture 32 receives the top cover, Cells, protective covers and protective sheets. The transmission mechanism 31 includes a first transmission component 311 , a transmission relay component 312 and a second transmission component 313 . The end of the first transmission assembly 311 is connected to the beginning of the transmission relay assembly 312, the end of the transmission relay assembly 312 is connected to the beginning of the second transmission assembly 313, and the end of the second transmission assembly 313 extends toward the beginning of the first transmission assembly 311. Preferably, the first transmission component 311 and the second transmission component 313 are parallel, and the transmission directions of the two are opposite. Preferably, the quantity of transmission relay assembly 312 is two, and the start end of another transmission relay assembly 312 is connected with the end of second transmission assembly 313, and the end of another transmission relay assembly 312 is connected with the beginning end of first transmission assembly 311, two The transmission directions of the two transmission relay components 312 are opposite. In this way, the first transmission assembly 311, the second transmission assembly 313, and the two transmission relay assemblies 312 form a "port" structure, and the welding jig 32 is connected to the first transmission assembly 311, the transmission relay assembly 312, and the second transmission assembly 313, respectively. , the first transmission component 311 , the transmission relay component 312 and the second transmission component 313 cooperate to transport the welding jig 32 to form a jig reflow line and save layout space. Wherein, the feeding end of the top cover feeding device 1 and the charging end of the cell feeding device 2 are arranged on one side of the beginning of the first transmission assembly 311, and the top cover feeding device 1 and the cell feeding device 2 are loaded successively. The material top cover and the battery core are placed on the welding jig 32 at the beginning of the first transmission component 311, and then the first transmission component 311, the transmission relay component 312 and the second transmission component 313 cooperate with the transmission welding jig 32 to pass through the welding protection device 4, Welding device 5, protective cover blanking and leveling device 7, gluing device 8 and blanking device 6, welding protective device 4 feeds protective sheet and protective cover to welding jig 32, welding device 5 pairs welding jig 32 The protective sheet, the battery tab and the end cover tab are welded, the protective cover blanking and leveling device 7 is used to blank the protective cover, and the welding mark is leveled, and then the welded battery cell is passed through the gluing device 8 Paste the glue, and finally the unloading device 6 unloads the glued cells. Through the above-mentioned "mouth" font layout, each of the top cover loading, battery loading, protective sheet loading, protective cover loading, welding, protective cover blanking, soldering leveling, glue sticking, and battery blanking can be achieved. The process can be carried out smoothly, improving welding efficiency and welding production capacity, and the floor space is small, reducing the cost of the enterprise's factory building.

Continuing to refer to FIG. 9 and FIG. 10 , FIG. 10 is a schematic diagram of the partial structure of the welding fixture and the transmission device in this embodiment. Furthermore, the first transmission assembly 311 includes a transmission bracket 3111 , a jig transmission guide 3112 , a transmission drive 3113 and a transmission traction 3114 . The jig transmission guide 3112 is arranged on the upper end of the transmission bracket 3111, the welding jig 32 is slidably connected to the jig transmission guide 3112, the transmission driver 3113 is arranged on the inner side of the transmission bracket 3111, and its output end is connected to the transmission traction piece 3114, The output end of the transmission traction member 3114 is connected to the welding jig 32, the transmission driving member 3113 drives the traction traction member 3114 to move linearly along the direction parallel to the jig transmission guide 3112, the traction traction member 3114 acts on the welding jig 32, Drive the welding jig 32 to move linearly on the transmission guide 3112 synchronously. The transmission bracket 3111 in this embodiment is in the shape of a long plate placed upright, and the jig transmission guide 3112 is a slide rail laid on the upper side of the transmission bracket 3111 . The transmission driver 3113 in this embodiment can adopt a linear module. The transmission traction part 3114 includes a traction drive part 31141 and a traction part 31142, the traction drive part 31141 is arranged on the transmission drive part 3113, the driving end of the traction drive part 31141 is connected with the traction part 31142, and the traction part 31142 is detachably connected with the welding jig 32, The traction driving part 31141 drives the traction part 31142 to move linearly towards the direction of the welding jig 32. The end of the traction part 31142 has two side-by-side cams with a space between the two cams. The bottom of the jig 32 forms a detachable connection with the welding jig 32 . The traction driver 31141 in this embodiment can adopt an air cylinder. Preferably, the traction driver 31141 is slidably connected to the inner wall of the transmission bracket 3111 . The first transmission assembly 311 also includes a fixture temporary part 3116, and the fixture temporary part 3116 is used to stop the welding fixture 32, and make it firmly on the fixture transmission guide 3112, so that the welding fixture is suspended in each Carry out corresponding process operations in the process. The tentative fixture 3116 is arranged on the outer wall of the transmission bracket 3111. The tentative fixture 3116 includes a tentative driver 31161 and a tentative driver 31162, the output end of the tentative driver 31161 and the tentative driver 31162, and the tentative driver 31161 drives the temporary part 31162 to move downward along the direction perpendicular to the jig transport guide 3112 . After the welding jig 32 is moved in place, the tentative driving part 31161 drives the tentative part 31162 to move toward the bottom of the welding jig 32. The end of the tentative part 31162 has a slot, which can be correspondingly snapped onto the bottom of the welding jig 32. Make it firmly on the jig transmission guide 3112. The provisional driver 31161 in this embodiment can be an air cylinder. The transfer relay assembly 312 includes a transfer transfer line 3121 , a transfer transfer driver 3122 , a transfer transfer turntable 3123 and a transfer limiter 3124 . The transit transmission line 3121 is perpendicular to the transmission support 3111 , and the beginning end of the transit transmission line 3121 is directly opposite to the end of the transmission support 3111 . The transfer transmission driver 3122 is arranged on the side of the transfer transmission line 3121 away from the transfer bracket 3111, the transfer transmission turntable 3123 is slidably connected to the transfer transmission line 3121, the output end of the transfer transmission drive part 3122 is connected to the transfer transfer turntable 3123, and the transfer transfer drive part 3122 The transfer transfer turntable 3123 is driven to move linearly along the transfer transfer line 3121. A slide rail is arranged on the turntable of the transfer transfer turntable 3123, and the slide rail is matched with the jig transmission guide 3112, and both are flush, and the welding jig 32 can be slid on the slide rail. The transfer limiter 3124 is disposed on a side of the transfer transfer turntable 3123 away from the jig transfer guide 3112 . Initially, the transfer transfer turntable 3123 is located at the beginning of the transfer transfer line 3121, and is facing the end of the transfer bracket 3111, the slide rail on the transfer transfer transfer turntable 3123 is docked with the end of the jig transfer guide 3112, and then the transfer drive member 3113 And the transmission traction member 3114 cooperates to drive the welding jig 32 to move to the slide rail on the transfer transfer turntable 3123 turntable, and the transfer limiter 3124 limits the welding jig 32 on the slide rail on the transfer transfer turntable 3123 turntable to avoid welding jig Tool 32 slides out of slide rail. Afterwards, the transfer transmission driver 3122 drives the transfer transfer turntable 3123 to move to the end of the transfer transfer line 3121, and the turntable of the transfer transfer turntable 3123 rotates 180 degrees, so that the transfer transfer turntable 3123 docks with the third transmission assembly 313, and then the third transfer assembly 313 pulls The welding jig 32 moves on itself. In this embodiment, the transfer transmission line 3121 is a slide rail line, the transfer transmission driving part 3122 is a linear module, and the transfer limiting part 3124 is the cooperation of a cylinder and a baffle. The structure and operating principle of the third transmission component 313 in this embodiment are consistent with those of the first transmission component 311 , and will not be repeated here.

Continuing to refer to FIG. 10, FIG. 11 and FIG. 12, FIG. 11 is a schematic diagram of the structure of the welding jig in this embodiment, and FIG. 12 is a schematic diagram of the internal structure of the welding jig in this embodiment. Furthermore, the welding jig 32 includes a top cover carrying portion 321 , a cell carrying portion 322 , a top cover positioning portion 323 and a cell positioning portion 324 . The top cover carrying part 321 is adjacent to the cell carrying part 322, the top cover feeding device 1 loads the top cover on the top cover carrying part 321, and the cell loading device 2 loads the cells on the cell carrying part 322; the top cover The positioning end of the positioning part 323 faces the top cover carrying part 321, and the top cover positioning part 323 positions the top cover carried by the top cover carrying part 321, and the positioning end of the cell positioning part 324 faces the cell carrying part 322, and the cell positioning part 324 positions the battery cell carried by the battery cell carrying part 324 so that the central axis of the top cover overlaps with the central axis of the battery cell. In this way, through the cooperation of the top cover positioning portion 323 and the cell positioning portion 324 , the alignment between the top cover and the cell is accurate, and the subsequent welding quality is improved. Preferably, the welding jig 32 also includes a reference part 325, which is arranged between the top cover bearing part 321 and the battery core bearing part 322, so that after the top cover and the battery core are loaded, the reference part 325 is connected to the top cover and the battery core respectively. The contact of the battery cells limits the position of the top cover and the battery cells, and provides a reference position for feeding the two. After positioning, the central axes of the reference part 325, the battery cells, and the top cover overlap. The reference portion 325 in this embodiment is thin plate-shaped, and is vertically disposed between the top cover carrying portion 321 and the cell carrying portion 322 . The welding jig 32 further includes a bottom plate 326 . The top cover carrying portion 321 , the cell carrying portion 322 , the top cover positioning portion 323 and the cell positioning portion 324 are respectively disposed on the bottom plate 326 . Specifically, the top cover positioning part 323 includes a top cover positioning pulling part 3231 , a top cover positioning linkage part 3232 , a top cover positioning part 3233 and a top cover pressing part 3234 . The top cover positioning pull piece 3231 is respectively connected with the top cover positioning linkage piece 3232 and the top cover pressing piece 3234, the top cover positioning linkage piece 3232 is connected with the top cover positioning piece 3233, and the positioning end of the top cover positioning piece 3233 faces the top cover bearing part 321 , the pressing end of the top cover pressing part 3234 faces the top cover carrying part 321 and is opposite to the reference part 325 . The top cover positioning puller 3231 moves to drive the top cover positioning linkage 3232 to move, and the top cover positioning linkage 3232 drives the top cover positioning piece 3233 to release or clamp the top cover carried by the top cover bearing part 321. The movement of the cover positioning puller 3231 will also drive the top cover presser 3234 to loosen or press the top cover carried by the top cover bearing part 321 . The upper surface of the top cover positioning puller 3231 is provided with a pulling post 32311, which is convenient for pulling the top cover positioning puller 3231. The top cover positioning puller 3231 in this embodiment can be in the shape of a rectangular plate. The number of the top cover positioning linkage 3232 and the top cover positioning piece 3233 is two, and the two top cover positioning linkages 3232 are respectively connected with the two top cover positioning pieces 3233, and the two top cover positioning linkages 3232 and two The top cover positioning members 3233 are distributed symmetrically with the central axis of the reference portion 325 as a line of symmetry. Wherein, the top cover positioning link 3232 includes a top cover link plate 32321 , a link cam 32322 and a top cover slide plate 32323 . There is a linkage chute 323211 in the top cover linkage plate 32321, and the linkage chute 323211 is an open slot, which is inclined from the direction close to the central axis of the reference part 325 to the direction away from the central axis of the reference part 325; the top cover linkage plate 32321 The surface is connected with the lower surface of the top cover positioning puller 3231 . The interlocking cam 32322 has a roller and a roller shaft. The roller of the interlocking cam 32322 is rollingly connected in the interlocking chute 323211. The roller shaft of the interlocking cam 32322 is vertically connected to one end of the upper surface of the top cover slide plate 32323, and the top cover slide plate 32323 is slidably connected to the bottom plate. 326. The top cover positioning part 3233 is connected with the end of the top cover slide plate 32323 away from the interlocking cam 32322 . In this way, when the top cover positioning puller 3231 is pulled away from the reference part 325, it will drive the top cover linkage plate 32321 to move synchronously, and then make the linkage cam 32322 roll in the linkage chute 323211, and the rolling of the linkage cam 32322 drives the top cover slide plate 32323 Move toward the direction away from the central axis of the reference part 325, and synchronously drive the top cover positioning part 3233 to move toward the direction away from the reference part 325, and then make the two top cover positioning parts 3233 move away from each other to loosen the top cover, otherwise when the top cover When the positioning puller 3231 moves in reverse, the two top cover positioning members 3233 approach each other to clamp and position the top cover. Preferably, the opposite side of the top cover positioning member 3233 is provided with stepped multi-layer ladders, wherein the upper steps carry the top cover, and the lower steps form a space to facilitate the operation of the top cover when transferring or leaving the top cover positioning member 3233. Move to avoid the air. The top cover pressing part 3234 includes a top cover pressing block 32341 , a reset fixing plate 32342 and a reset pressing part 32343 . The top cover pressing block 32341 is slidably connected to the bottom plate 326. One side of the top cover pressing block 32341 faces the reference part 325, and the other side is fixedly connected to the end of the top cover positioning puller 3231 facing the reference part 325. The number of reset fixing plates 32342 is two, and the two reset fixing plates 32342 are respectively attached to the opposite ends of the top cover positioning pull member 3231, and one of the reset fixing plates 32342 is directly opposite to the top cover pressing block 32341, and resets and presses One end of the piece 32343 passes through the top cover pressing block 32341 and is connected to the reset fixing plate 32342 , and the other end of the reset pressing piece 32343 passes through the reference part 325 and continues to extend. In this way, when the top cover positioning pull piece 3231 is pulled away from the reference part 325, it will drive the top cover pressing block 32341 to move synchronously, and make the reset pressing piece 32343 stretch, and when the pulling force of the top cover positioning pull piece 3231 disappears Finally, the top cover positioning puller 3231 will reset under the action of the reset pressing part 32343, and move in the opposite direction, and then drive the top cover pressing block 32341 to press the top cover, and drive the two top cover positioning parts 3233 to the top cover. Carry out clamping positioning. The reset pressing part 32343 in this embodiment can adopt a spring. Preferably, the top cover positioning part 323 also includes a positioning guide 3235. The positioning guide 3235 is embedded in the top cover positioning pulling part 3231 and connected to the bottom plate 326, which guides the movement of the top cover positioning pulling part 3231. The positioning guide 3235 in the embodiment is the cooperation of the guide post and the guide sleeve. The cell positioning part 324 includes a cell positioning pulling part 3241 , a cell positioning linkage part 3242 , a cell positioning part 3243 and a cell positioning reset part 3244 . The cell positioning puller 3241 is connected to the cell positioning linkage 3242 , the cell positioning linkage 3242 is connected to the cell positioning member 3243 , and the positioning end of the cell positioning member 3243 faces the cell carrying portion 322 . The two ends of the cell positioning reset member 3244 are respectively connected with the cell positioning pulling member 3241 and the cell positioning linkage member 3242 . The cell positioning pulling part 3241 moves, driving the cell positioning linkage part 3242 to move, the cell positioning linkage part 3242 drives the cell positioning part 3243 to release the cell carried by the cell carrying part 322, and the reset part 3244 drives the cell positioning The pulling part 3241 resets, so that the cell positioning part 3243 clamps and positions the cell carried by the cell carrying part 322 . The lower surface of the cell positioning puller 3241 is slidingly connected to the bottom plate 326, and the upper surface of the cell positioning puller 3241 is also provided with a pulling column 32311. The cell positioning puller 3241 is a U-shaped plate, and the top cover positioning puller 3231 Located in the U-shaped groove of the cell positioning puller 3241, the two can be connected through the reset fixing plate 32342. The structure and operating principle of the battery positioning linkage 3242 are consistent with those of the top cover positioning linkage 3232. Preferably, the battery slide 32421 of the battery positioning linkage 3242 can use an L-shaped structure. Preferably, the battery positioning Part 3243 can adopt the plate of L-shaped structure. The cell positioning reset part 3244 can be a spring, and its two ends are respectively connected with the cell slide plate 32421 of the cell positioning linkage part 3242 and the side wall of the cell positioning pulling part 3241 . Preferably, the cell positioning part 324 further includes a cell press-fitting part 3245 . The cell pressing part 3245 includes a cell pressing block 32451 , a cell pressing slider 32452 and a pulling stop 32453 . The cell pressing slider 32452 is slidably connected to the bottom plate 326, and the cell pressing block 32451 is set on the cell pressing slider 32452. One side of the cell pressing block 32451 is facing the reference part 325, and the cell pressing block is slid The block 32452 is connected with one end of the reset pressing part 32343 passing through the reference part 325 , and the pulling stop 32453 is provided at the end of the cell pressing slide block 32452 facing away from the reset pressing part 32343 . The external pulling force acts on the pulling clamping position 32453, so that the cell pressing slider 32452 moves away from the reference part 325, and the reset pressing part 32343 is stretched synchronously. When the cell is loaded, the external pulling force disappears, then The reset pressing part 32343 will pull the cell pressing slider 32452 to press and secure the cell. The lower surface of the bottom plate 326 is provided with an active protrusion 3261 , which is adapted to the traction member 31142 and the tentative member 31162 , so as to facilitate the traction and tentative positioning of the welding fixture 32 by the traction member 31142 and the tentative member 31162 . It can be understood that during the welding process in this embodiment, the two pulling columns 32311 and the pulling clamping positions 32453 need to be acted on only when the top cover and the battery core are loaded and the material is unloaded after welding. A pulling mechanism 314 is respectively provided at the beginning of the first transmission assembly 311 in the transmission device 3 and the end of the second transmission assembly 313. The pulling mechanism 314 includes a pulling driver 3141 and a pulling member 3142, and the output end of the pulling driver 3141 is connected to the pulling mechanism. 3142 is connected, and the driving part 3141 drives the pulling part 3142 to act on the pulling column 32311 or the pulling card position 32453 of the welding jig 32 sent over, so that the top cover positioning part 323 and the cell positioning part 324 are opened, which is convenient for the top cover And battery loading and unloading. The pulling driver 3141 in this embodiment can use an air cylinder, and the pulling member 3142 can use a pull plate that matches the pulling post 32311 or the pulling clip 32453 .

Continue to refer to FIG. 13 , which is a schematic structural diagram of the welding protection device in this embodiment. Furthermore, the welding protection device 4 includes a protective cover feeding mechanism 41 and a protective sheet feeding mechanism 42 arranged adjacently. The protective cover feeding mechanism 41 is used for feeding the protective cover, and the protective sheet feeding mechanism 42 is used for feeding the protective sheet. Specifically, the welding protection device 4 also includes a protection sheet and a protection cover transfer mechanism 43 . The protective sheet and protective cover transfer mechanism 43 is arranged on one side of the protective cover feeding mechanism 41 and the protective sheet feeding mechanism 42, and the protective sheet and protective cover transfer mechanism 43 is used for transferring the protective sheet and protective cover. Specifically, the protection sheet and protection cover transfer mechanism 43 includes a protection transfer frame 431 , a protection transfer driver 432 , a protection cover transfer clamping part 433 and a protection sheet transfer adsorption part 434 . The protection transfer drive part 432 is arranged on the upper end of the protection transfer frame 431, and the driving end of the protection transfer drive part 432 is respectively connected with the protection cover transfer clamping part 433 and the protection sheet transfer adsorption part 434, and the protection transfer drive part 432 respectively drives the protection cover transfer The clamping part 433 and the protective sheet transfer suction part 434 move linearly. The protective transport driver 432 can be a manipulator with multiple movers. The protective cover transfer clamping part 433 includes a protective cover adsorption driver 4331 and a protective cover adsorption part 4332; the driving end of the protective cover adsorption driver 4331 is connected with the protective cover adsorption part 4332, and the protective cover adsorption driver 4331 drives the protective cover adsorption part 4332 Move linearly. The protection transfer driver 432 first drives the protection cover transfer holder 433 close to the protection cover feeding mechanism 41, and then the protection cover adsorption driver 4331 drives the protection cover adsorption part 4332 to face the surface attached to the protection cover 200, and the protection cover absorbs The member 4332 clamps the protective cover 200 . Preferably, the end of the protective cover adsorption member 4332 has a plurality of suction blocks to ensure the stability of the protection cover adsorption and transport. The protective cover feeding mechanism 41 in this embodiment can use the protective cover magazine (not shown in the figure) for feeding. Preferably, the protective cover feeding mechanism 41 further includes a protective cover dust removal assembly 411 . The protective cover dust removal assembly 411 includes a protective cover dust removal frame 4111 , a protective cover dust removal member 4112 and a protective cover dust removal pipe 4113 . The protective cover dust removal part 4112 is arranged on the upper end of the protective cover dust removal frame 4111, the protective cover dust removal pipe 4113 communicates with the lower end of the protective cover dust removal part 4112, the protective cover dust removal part 4112 is groove-shaped, and the size of the groove space in the protective cover dust removal part 4112 And the shape is adapted to the size and shape of the protective cover 200 . The protective transfer driver 432 is driven in cooperation with the protective cover transfer clamping part 433, and firstly transfers the protective cover 200 from the protective cover clip to the dust removal part 4112 of the protective cover, and then, the dust removal pipe 4113 of the protective cover is connected to the vacuum cleaner function of the outside, The protective cover 200 is dedusted, and then, the protective transfer driver 432 cooperates with the protective cover transfer holder 433 to drive and transfer it to the welding jig 32, or another set of protective transfer driver 432 and the protective cover transfer clamp The member 433 cooperates with driving to transfer the protection cover 200 into the welding jig 32 to increase the efficiency. The protection sheet feeding mechanism 42 includes a protection sheet feeding part 421 and a protection sheet positioning dust removal part 422 . The protective sheet feeding part 421 and the protective sheet positioning dust removal part 422 are adjacently arranged. The protection sheet transfer suction part 434 is located above the adjacent protection sheet loading part 421 and the protection sheet positioning dust removal part 422 . The protective sheet feeding part 421 is used for feeding the protective sheet, the protective transfer drive part 432 and the protective sheet transfer adsorption part 434 cooperate to drive, transfer the protective sheet loaded by the protective sheet feeding part 421 to the protective sheet positioning dust removal part 422, and the protective sheet After the positioning and dust removal part 422 is positioned and removed, the material is loaded into the welding jig 32 .

Continuing to refer to Figures 13 to 16, Figure 14 is a schematic structural view of the feeding part of the protective sheet in this embodiment, Figure 15 is a schematic structural view of the loading platform for the protective sheet in this embodiment, and Figure 16 is a schematic view of B in Figure 14 in this embodiment enlarged view. Furthermore, the protection sheet feeding part 421 includes a protection sheet feeding board 4211 , a protection sheet feeding assembly 4212 and a protection sheet lifting assembly 4213 . The protective sheet feeding assembly 4212 is arranged on the upper surface of the protective sheet feeding plate 4211, and the protective sheet lifting assembly 4213 is arranged on the lower surface of the protective sheet feeding plate 4211. The protective sheet feeding assembly 4212 feeds the protective sheet 300, and the protective sheet is lifted. After the jacking end of the assembly 4213 passes through the protection sheet feeding plate 4211, the protection sheet 300 loaded by the protection sheet feeding assembly 4212 is lifted and loaded, and then the protection transfer driving part 432 and the protection sheet transfer adsorption part 434 cooperate drive to transfer. The protective sheet feeding assembly 4212 includes a protective sheet loading platform 42121 and a protective sheet feeding limiting member 42122 . The protective sheet loading platform 42121 is arranged on the upper surface of the protective sheet loading plate 4211 , and the protective sheet loading limiter 42122 is vertically arranged on the protective sheet loading platform 42121 . The protection sheet loading platform 42121 carries the stacked protection sheets 300 , and the protection sheet loading limiter 42122 limits and guides the protection sheets 300 stacked on the protection sheet loading platform 42121 . Specifically, the protective sheet loading platform 42121 is provided with a protective sheet loading position 421211 , a jacking hole 421212 and a clip loading position 421213 . The central axis of the protective sheet bearing position 421211 and the jacking hole 421212 overlaps, the number of the magazine bearing positions 421213 is two, and there is an interval between the two magazine bearing positions 421213, and the two magazine bearing positions 421213 are arranged facing each other. The two opposite ends of the protective sheet holding position 421211 respectively extend toward the two oppositely disposed magazine holding positions 421213 and partially overlap with the magazine holding positions 421213 . The clip bearing position 421213 in this embodiment is a rectangular groove opened on the protective sheet loading platform 42121. The protective sheet bearing position 421211 is groove-shaped, and its shape and size match the shape and size of the protective sheet. The rising hole 421212 is a through hole. The protective sheet feeding limiter 42122 includes two magazine columns 421221 arranged opposite to each other. The cross section of the magazine column 421221 is compatible with the magazine bearing position 421213. The two magazine columns 421221 are correspondingly vertically arranged on the two magazines. In the bearing position 421213, the opposite sides of the two magazine columns 421221 are respectively provided with magazine grooves 421222, and the magazine grooves 421222 are arranged along the height direction of the magazine columns 421221. 300 is compatible. The protective sheets 300 are stacked and placed in the magazine slot 421222 , and the jacking end of the protective sheet jacking assembly 4213 passes through the jacking hole 421212 to lift and load the stacked protective sheets 300 . Preferably, the bottom wall of the clip groove 421222 is provided with a brush 4212221, and the brush 4212221 is close to the upper end of the clip column 421221, and the layered protective sheet 300 loaded on the upper end of the clip column 421221 is brushed away by the brush 4212221 to avoid mutual Two adjacent protection sheets 300 are adhered together. The protection sheet lifting component 4213 can adopt the cooperation of a linear module, a slider and a guide rod. The linear module drives the slider to drive the guide rod to move up and down. After passing through the protection sheet feeding plate 4211, the layered protection sheet 300 is Jack up. Preferably, the protection sheet feeding part 421 further includes a protection sheet reflow drive assembly 4214 . The number of protective sheet feeding assemblies 4212 is multiple, and the plurality of protective sheet feeding assemblies 4212 are respectively slidably connected to the protective sheet feeding plate 4211, and the multiple protective sheet feeding assemblies 4212 form a "back" layout, and the protective sheet backflow drive assembly 4214 The quantity is four, and the four protection sheet backflow driving assemblies 4214 are arranged adjacently to each other along the "back" font layout, and respectively carry out a plurality of protection sheet feeding assemblies 4212 on the same side of the "back" layout structure. The linear drive makes the protection sheet feeding assembly 4212 move to the position of the protection sheet lifting assembly 4213 in turn for jacking and feeding. The backflow driving assembly 4214 of the protective sheet in this embodiment can adopt the cooperation of the cylinder and the push plate.

Continuing to refer to FIG. 13 to FIG. 17 , FIG. 17 is an enlarged view of part A of FIG. 13 in this embodiment. Furthermore, the protective sheet 300 that is lifted and loaded is absorbed and transferred to the protective sheet positioning and dust removal part 422 by the protective sheet transfer adsorption member 434 . The protective sheet transfer suction part 434 includes a protective sheet suction driving part 4341 and a protective sheet suction part 4342 . The output end of the protection transfer drive part 432 is connected with the protection sheet adsorption drive part 4341, the protection transfer drive part 432 drives the protection sheet adsorption drive part 4341 to move linearly, the output end of the protection sheet adsorption drive part 4341 is connected with the protection sheet adsorption part 4342, and the protection The sheet suction driving part 4341 drives the protection sheet suction part 4342 to move linearly. The protection transfer drive part 432 first drives the protection sheet transfer adsorption part 434 close to the protection sheet 300 being lifted and loaded, and then the protection sheet adsorption drive part 4341 drives the protection sheet adsorption part 4342 to attach to the surface of the protection sheet 300, and the protection sheet The adsorption piece 4342 adsorbs the protection sheet. The adsorption driving part 4341 in this embodiment can be a cylinder, and the protection sheet adsorption part 4342 can be a suction block, which has a suction cup. Preferably, the protection sheet adsorption part 4342 has an adsorption support part 43421, and the adsorption support part 43421 is a U-shaped groove, and the suction cup of the protection sheet adsorption part 4342 is located in the groove of the adsorption support part 43421, so that when the protection sheet is adsorbed, The suction support part 43421 can support the protection sheet to avoid deformation of the protection sheet.

Continue to refer to Fig. 13, Fig. 18, Fig. 19 and Fig. 20, Fig. 18 is a schematic structural view of the protective sheet positioning dust removal part in this embodiment, Fig. 19 is another structural schematic view of the protective sheet positioning dust removal part in this embodiment, Fig. 20 is a schematic structural diagram of the positioning reference member for the protection sheet in this embodiment. Furthermore, the protective sheet positioning and dust removal unit 422 includes a protective sheet positioning dust removal frame 4221 , a protective sheet positioning reference member 4222 , a first protective sheet positioning assembly 4223 , a second protective sheet positioning assembly 4224 and a protective sheet dust removal assembly 4225 . The protection sheet positioning reference part 4222 is arranged on the upper end of the protection sheet positioning dust removal frame 4221 . The protection sheet positioning reference member 4222 is provided with a protection sheet reference groove 42221 , a first guiding position 42222 and a second guiding position 42223 . The first guide position 42222 is adjacent to the long side of the protection sheet reference groove 42221, the second guide position 42223 is adjacent to the end side of the second guide position 42223 protection sheet reference groove 42221, and the protection sheet reference groove 42221 The size and shape are adapted to the size and shape of the protection sheet 300 , the protection sheet is carried in the reference groove 42221 of the protection sheet, and the first guiding position 42222 and the second guiding position 42223 are communicated. An induction hole 422211 is opened in the protective sheet reference groove 42221 away from the second guiding position 42223 and at a corner of the second guiding position 42223 . In this embodiment, the second guiding position 42223 and the second guiding position 42223 are in the shape of a rectangular notch. The first protection sheet positioning assembly 4223 includes a first protection sheet positioning driver 42231 and a first protection sheet positioning member 42232, the output end of the first protection sheet positioning driver 42231 is connected to one end of the first protection sheet positioning member 42232, the first The other end of the protection sheet positioning part 42232 extends toward the first guide position 42222, and the first protection sheet positioning drive part 42231 drives the first protection sheet positioning part 42232 to move linearly toward the protection sheet reference groove 42221, and the protection sheet carried Long side for pilot positioning. The second protective sheet positioning assembly 4224 includes a second protective sheet positioning driver 42241 and a second protective sheet positioning member 42242. The output end of the second protective sheet positioning driver 42241 is connected to one end of the second protective sheet positioning member 42242. The second protective sheet The other end of the sheet positioning part 42242 extends toward the second guide position 42223, and the second protection sheet positioning drive part 42241 drives the second protection sheet positioning part 42242 to move linearly toward the direction of the protection sheet reference groove 42221. edge positioning. In this way, the positioning of the protection sheet is completed through the cooperation of the protection sheet reference groove 42221 , the first protection sheet positioning component 4223 and the second protection sheet positioning component 4224 . Preferably, the number of protective sheet reference grooves 42221, first guiding positions 42222 and second guiding positions 42223 on the protective sheet positioning reference member 4222 is two, and the two protective sheet reference grooves 42221, the first The setting directions of the guiding position 42222 and the second guiding position 42223 are in the same direction, and the ends of the first protective sheet positioning part 42232 and the second protective sheet positioning part 42242 are both set in a "U" shape structure, which can be used in the first The protection sheet positioning driver 42231 and the second protection sheet positioning driver 42241 are driven to guide and position the two protection sheets synchronously. Preferably, an inductive element (not shown in the figure), such as a miniature photoelectric sensor, is provided in the inductive hole 422211 to detect whether the protective sheet is in place. The protective sheet dust removal assembly 4225 includes a dust removal cover 42251 and a dust removal pipe 42252. The dust removal cover 42251 covers the protective sheet positioning reference member 4222, the first protective sheet positioning assembly 4223 and the second protective sheet positioning assembly 4224. The dust removal pipe 42252 and the dust removal cover 42251 communicates, and it is connected with the vacuum cleaner of the outside, carries out dust removal to the protective sheet in the dust removal cover 42251. The dust removal cover 42251 is reserved with a passage for the protection sheet adsorption piece 4342 to pass through, and the protection sheet adsorption piece 4342 absorbs and positions the dust-removed protection sheet for loading.

It can be understood that, in order to protect the tabs of the battery cells during welding, the protective sheet needs to cover the tabs. Therefore, when feeding in this embodiment, the protective sheet is loaded first, and then the protective cover is loaded. In another embodiment, the protective cover can also be loaded first, and then the protective sheet can be loaded. Continuing to refer to FIG. 21 and FIG. 22 , FIG. 21 is a schematic structural diagram of a protective cover in another embodiment, and FIG. 22 is a schematic structural schematic diagram of a protective cover in another embodiment from another perspective. Furthermore, the protective cover 200 includes a main body 2001 and an elastic member 2002 , and the elastic member 2002 is disposed on the main body 2001 . The main body 2001 is provided with a feeding hole 20011, and the protective sheet is loaded through the feeding hole 20011, and one end of the elastic member 2002 extends into the feeding hole 20011; wherein, the protective sheet is acted on by the feeding hole 20011 and the elastic member 2002, Fix the protective sheet. When feeding, the protective sheet 300 absorbed by the protective sheet adsorption part 4342 is fed through the feeding hole 20011. During the placing process, the protective sheet adsorption part 4342 acts on the elastic part 2002, causing the elastic part 2002 to deform. When the protective sheet is placed After the protective sheet absorbing part 4342 is withdrawn, the elastic part 2002 returns to the original state under the action of its own elastic force, and the end of the elastic part 2002 that returns to the initial state extends into the feeding hole 20011 and acts on the protective sheet. Specifically, the body 2001 is a cuboid, and the feeding hole 20011 is opened along the height direction of the body 2001 , and the feeding hole 20011 runs through the body 2001 . In this embodiment, the feeding hole 20011 is a square hole. The main body 2001 is also provided with a supporting platform 20012, and the supporting platform 20012 is arranged on the inner wall of the feeding hole 20011. In specific applications, the number of supporting platforms 20012 is two, and the two supporting platforms 20012 are arranged on the two opposite inner walls of the feeding hole 20011, and there is a gap between the two supporting platforms 20012 to ensure that the protective sheet is placed on the two The balance and stability behind the support platform 20012 also facilitates the removal of the protective sheet from the gap between the two support platforms 20012. In addition, the supporting platform 20012 can also be arranged around the inner wall of the feeding hole 20011 , and an opening can be provided where the elastic member 2002 protrudes into the feeding hole 20011 . In addition to the above, the supporting platform 20012 can also be set in at least two layers to prevent the protection sheet from falling off before processing. The main body 2001 is also provided with a movable groove 20013, which is arranged on the inner wall of the feeding hole 20011, and the movable groove 20013 is opened along the depth direction of the feeding hole 20011. In a specific application, the number of movable grooves 20013 is two, and the two movable grooves 20013 and the two supporting platforms 20012 are adjacently arranged at intervals. There are also at least two elastic pieces 2002, at least two elastic pieces 2002 are arranged around the feeding hole 20011, and at least two elastic pieces 2002 are located above the support table 20012; one end of the elastic piece 2002 passes through the movable groove 20013, and extends Inserting into the feeding hole 20011, when the end of the elastic member 2002 extending into the feeding hole 20011 is stressed, the end of the elastic member 2002 extending into the feeding hole 20011 will move along the movable groove 20013. Preferably, the elastic member 2002 is a torsion spring. It should be noted that the number of active slots 20013 can be set to multiple, and the number of elastic pieces 2002 can also be set correspondingly. One end passes through a movable groove 20013 to strengthen the fixing effect on the protective sheet. The body 2001 is also provided with installation holes 20014, which are located on the edge of the body 2001. Specifically, the installation holes 20014 are square. The installation hole 20014 is also provided with a fixed post 20015, the two ends of the fixed post 20015 are respectively set on the two inner walls of the installation hole 20014, the fixed post 20015 and the movable groove 20013 are set on the same side, and the elastic member 2002 is sleeved on the fixed post 20015 , one end of the elastic member 2002 extends into the feeding hole 20011 , and the other end of the elastic member 2002 abuts against the inner wall of the installation hole 20014 . In this embodiment, the number of mounting holes 20014 is the same as the number of movable slots 20013, that is, the number of mounting holes 20014 is two. The body 2001 is also provided with a clamping column 20016 , which is located on the side of the body 2001 away from the feeding hole 20011 , and the clamping column 20016 protrudes from the body 2001 . The clamping column 20016 includes a clamping rod 200161 and an anti-off plate 200162. One end of the clamping rod 200161 is connected to the body 2001, and the other end of the clamping rod 200161 is connected to the anti-off plate 200162. Specifically, the clamping rod 200161 is a cylinder, the anti-off plate 200162 is a circular plate, and the outer diameter of the anti-off plate 200162 is larger than that of the clamping rod 200161. In specific use, the clamp moves the protective cover by clamping the clamping rod 200161. When the clamping column clamps the rod 200161, the anti-off plate 200162 abuts against the surface of the clamp, effectively preventing the protective cover from being clamped firmly during the movement And the phenomenon of shedding. The body 2001 is also provided with a positioning structure 20017, and the positioning structure 20017 is located on the side of the body 2001 away from the feeding hole 20011. The positioning structure 20017 includes a positioning hole 200171 , the positioning hole 200171 is opened along the height direction of the body 2001 , and the positioning hole 200171 runs through the body 2001 . Specifically, the positioning hole 200171 is a circular hole, and the number of the positioning hole 200171 is two. The two positioning holes 200171 are arranged around the clamping column 20016. When the protective cover is loaded, it is positioned and fixed through the positioning hole 200171. The number of positioning holes 200171 can be increased or decreased according to actual use, and is not limited to two in this embodiment. Preferably, the positioning structure 20017 also includes a sliding piece 200172. The sliding piece 172 is clamped in the positioning hole 200171. When the protective cover is loaded, it is convenient for the installation of the positioning hole 200171, and at the same time, it can also protect the positioning hole 200171. Specifically, the sliding member 200172 is a linear bearing. The main body 2001 is also provided with a boss 20018. The boss 20018 is located on the side of the main body 2001 away from the clamping rod 200161. The feeding hole 20011 and the positioning hole 200171 both pass through the boss 20018. When the protective cover is loaded, the boss 20018 is matched with other parts, which can not only restrict the rotation of the protective cover around the positioning hole 200171, but also increase the contact area between the protective cover and other parts, increase the friction force, and then increase the friction of the protective cover. stability. When the protective cover is loaded, the clamping rod 200161 is clamped by the clamp and moved. After moving to the designated position, it is positioned and fixed through the positioning hole 200171. At the same time, the boss 20018 is set on other parts, and the protective sheet adsorption part 4342 is clamped. The protection sheet is loaded, and the protection sheet adsorption part 4342 is loaded along the opening direction of the feeding hole 20011, and the protection sheet is placed on the two support platforms 20012, and the protection sheet adsorption part 4342 will resist during the feeding process. Two elastic pieces 2002 are connected, and one end of the two elastic pieces 2002 moves away from the protective sheet in the movable groove 20013; when the protective sheet adsorption piece 4342 withdraws, one end of the two elastic pieces 2002 moves toward the initial The position moves, and after returning to the initial position, one ends of the two elastic members 2002 act on the protection sheet, and the protection sheet is clamped under the joint action of the two supporting platforms 20012 and the two elastic members 2002 to fix the protection sheet. In this way, the position of the protective sheet relative to the protective cover remains unchanged during the assembly process, and through the pressure of the elastic member, the protective sheet will not be bounced due to force during the assembly process, thus avoiding the feeding process of the protective sheet The phenomenon of mid-position, inaccurate placement and ejection.

Continuing to refer to FIG. 1 and FIG. 23 , FIG. 23 is a schematic structural diagram of the welding device in this embodiment. Furthermore, the welding device 5 includes a first welding mechanism 51 and a second welding mechanism 52 arranged in sequence. The first welding mechanism 51 is used for welding the anode or cathode of the battery cell, and the second welding mechanism 52 is used for welding the cathode or anode of the battery cell. When welding, the welding positions in the welding jig 32 are stacked from bottom to top in order, the top cover tab, the battery tab, the protective sheet and the protective cover, the welding ends of the first welding mechanism 51 and the second welding mechanism 52 The protective sheet is welded through the feeding hole 20011 of the protective cover, so that the tabs of the top cover, the tabs of the cell and the protective sheet are welded together. The first welding mechanism 51 includes a welding position adjustment assembly 51 and a welding machine 52 . The welding position adjustment assembly 51 is connected with the welding machine 52, and the welding position adjustment assembly 51 drives the welding machine 52 close to the welding jig 32, so that the welding end of the welding machine 52 is facing the welding position of the welding jig 32, and passes through the protective cover to the protective sheet , battery lugs and top cover for welding. Specifically, the welding position adjustment assembly 51 includes a first welding position adjustment part 511 and a second welding position adjustment part 512, and the first welding position adjustment part 511 cooperates with the second welding position adjustment part 512 to realize the adjustment of the welding machine 52 in two directions. Adjustment, specifically, the output end of the first welding position adjustment part 511 is connected with the second welding position adjustment part 512, the output end of the second welding position adjustment part 512 is connected with the welding machine 52, and the first welding position adjustment part 511 drives the second welding position adjustment part 512. The position adjustment part 512 approaches or moves away from the welding jig 32, and then drives the second welding position adjustment part 512 close to or away from the welding jig 32, and the second welding position adjustment part 512 drives the welding end of the welding machine 52 to face the inside of the welding jig 32 The welding position is welded. The first welding position adjusting part 511 in this embodiment can use a linear module, or use a motor, a screw pair, a guide rail and a slide table to cooperate, and the second welding position adjusting part 512 can use an electric cylinder. In a specific application, the second welding position adjustment part 512 and the welding machine 52 are arranged on the slide table of the first welding position adjustment part 511 , and the piston rod of the second welding position adjustment part 512 is connected to the bottom of the welding machine 52 . Preferably, the welding position adjustment assembly 51 also includes four guides 513, one end of the four guides 513 is respectively vertically arranged at the four corners of the slide table of the first welding position adjustment member 511, and the other ends of the four guides 513 are respectively connected to The bottom of the welding machine 52 is connected, and the guide member 513 guides the driving of the second welding position adjusting member 512 . The guide member 513 in this embodiment can adopt the cooperation of a guide rod and a guide sleeve. Preferably, the welding machine 52 is provided with a dust removal pipe 521, and one end of the dust removal pipe 521 is arranged on the welding machine 521 and faces the welding end of the welding machine 52, that is, the welding head, and the other end of the dust removal pipe 521 is connected with an external dust collector. When the welding machine 52 is welding, the external dust collector acts to drive the dust removal pipe 521 to vacuum. The structure and operating principle of the second welding mechanism 52 are consistent with the structure and operating principle of the first welding mechanism 51 , which will not be repeated here. In a specific application, the first welding mechanism 51 is arranged on the outside of the first transmission assembly 311 and is close to the end of the first transmission assembly 311, which welds the protective sheet, the anode of the battery cell and the top cover in the welding jig 32 . Then, the welding jig 32 is turned 180 degrees through the transfer transmission mechanism 312 and transferred to the beginning of the second transmission assembly 313 . The second welding mechanism 52 is disposed outside the second transmission assembly 313 and close to the beginning of the second transmission assembly 313 . The second welding mechanism 52 welds the protective sheet, the cell cathode and the top cover in the welding jig 32 .

Continuing to refer to Fig. 1, Fig. 24 and Fig. 25, Fig. 24 is a schematic structural diagram of the welding and printing leveling and dust removal mechanism in this embodiment, and Fig. 25 is a structural schematic diagram of the leveling and dust removal block in this embodiment. Furthermore, the protective cover blanking and leveling device 7 includes a protective cover blanking mechanism (not shown in the figure) and a soldering, leveling and dust removal mechanism 71 . The protective cover blanking mechanism is used for the blanking of the protective cover. The welding print leveling and dust removal mechanism 71 performs leveling and dust removal on the welding print after welding. As well as the raised pointed burrs at the welding mark and the residue left by welding for dust removal. The protective cover unloading mechanism and the soldering leveling and dust removal mechanism 71 are respectively arranged on the outside of the second conveying assembly 313 . The protective cover blanking mechanism and the welding and printing leveling dust removal mechanism 71, the protective cover blanking mechanism can use the cooperation of linear modules and pneumatic grippers to blank the protective cover, and will not be described here. The welding mark leveling and dust removal mechanism 71 includes a welding mark leveling driving assembly 711 and a leveling dust removal part 712 . The output end of the welding and leveling drive assembly 711 is connected to the leveling and dust removal part 712, the welding and printing and leveling drive assembly 711 drives the leveling and dust removal part 712 to approach or stay away from the welding jig 32, and the leveling and dust removal part 712 performs leveling on the welding mark , and dust removal while leveling. Specifically, the welding and printing leveling and dust removal mechanism 71 also includes a leveling bottom plate 713 and a leveling frame 714. There is a slide rail on the leveling bottom plate 713, and the slide rail is facing the second transmission assembly 313. The lower end of the leveling frame 714 has a slide block, and the slider is slidably connected to the slide rail of the leveling base plate 713, so that the leveling frame 714 and the leveling base plate 713 form a sliding connection relationship. The welding and leveling drive assembly 711 is arranged on the leveling base plate 713, and its output end is connected with the leveling frame 714. The leveling and dust removal parts 712 are arranged on the leveling frame 714. Move, and then drive the leveling and dust removal part 712 to move linearly, so that the leveling and dust removal part 712 is close to the welding jig 32, the leveling and dust removal end of the leveling and dust removal part 712 is facing the position of the welding mark, and then the leveling and dust removal part 712 is carried out on the welding mark Level and dust off. The welding and leveling driving assembly 711 in this embodiment can use a cylinder. The leveling dust removal part 712 includes a leveling driving part 7121 , a dust suction pipe 7122 and a leveling dust removal block 7123 . The leveling driving part 7121 is arranged on the leveling frame 714, and its output end is connected with the leveling dust removal block 7123, and the leveling driving part 7121 drives the leveling dust removal block 7123 to move linearly, so that the leveling dust removal block 7123 moves toward the welding position. The end of the leveling dust removal block 7123 is provided with a leveling part 71231, and a dust removal hole 71232 is opened in the leveling part 71231, and a dust suction hole 71233 is opened on the side wall of the leveling dust removal block 7123, and the dust suction hole 71233 communicates with the dust removal hole 71232, Specifically, the dust suction hole 71233 communicates with the dust removal hole 71232 through a channel opened in the dust removal block 7123 for leveling. One end of the dust suction hole 71233 and the dust suction pipe 7122 communicates with the dust suction hole 71233, and the other end communicates with an external vacuum cleaner. After the welding and leveling drive assembly 711 drives the leveling and dust removal part 712 to move to the position, the leveling driving part 7121 drives the leveling and dust removal block 7123 to move towards the welding mark and flatten the impression. At the same time, the external vacuum cleaner starts to work , so that the dust generated during welding and pressing is sucked out. The leveling driver 7121 in this embodiment can adopt a cylinder. Preferably, the welding print leveling and dust removal mechanism 71 further includes a leveling buffer 7124 . The leveling buffer 7124 includes a leveling limiting block 71241 and a leveling buffering block 71242. The leveling limiting block 71241 is arranged on the leveling frame 714, and its end is located on the driving path of the leveling driving member 7121. The leveling buffering block 71242 Connected to the output end of the leveling driver 7121, the leveling buffer block 71242 is adjacent to the leveling dust removal block 7123, preferably, the end of the leveling buffer block 71242 is flush with the leveling part 71231, and the end of the leveling buffer block 71242 A soft material, such as soft glue, is provided. When the leveling driver 7121 drives the leveling buffer block 71242 to move towards the welding mark, it will drive the leveling buffer block 71242 to move towards the leveling limit block 71241, and the leveling limit block 71241 will limit the leveling buffer block 71242. position, and then limit the driving of the leveling drive member 7121, avoiding the hard contact of the leveling buffer block 71242 to the welding mark leveling, causing damage to the welding mark. Preferably, there are two leveling and dust-removing components 712 , and the two leveling and dust-removing components 712 are oppositely arranged on the leveling frame 714 .

Continuing to refer to FIG. 26 , which is a schematic structural diagram of the gluing device in this embodiment. Furthermore, the gluing device 8 includes a gluing mechanism 81 , a gluing mechanism 82 , a gluing cutting mechanism 83 and a gluing mechanism 84 . The glue cutting mechanism 83 is arranged on the glue pulling path of the glue pulling mechanism 82 . The gluing mechanism 81 is used for feeding the tape, the gluing mechanism 82 pulls the glued tape, the glue cutting mechanism 83 cuts the glued tape, and the gluing mechanism 84 attaches the glued tape to the welded cell. Specifically, the gluing mechanism 81 includes an adhesive tape feeding rack 811 and an adhesive tape feeding assembly 812, the adhesive tape feeding assembly 812 is arranged on the upper end of the feeding rack 811, and the adhesive tape feeding assembly 812 can be fed by a reel, on which There is tape in roll form. Preferably, the gluing mechanism 81 further includes a rubber roller 813 , and the rubber roller 813 is arranged on the tape feeding frame 811 and is located below the tape feeding assembly 812 . The belt head of the adhesive tape passes through the rubber roller 813 to change direction, and extends toward the glue pulling mechanism 82 . The rubber pulling mechanism 82 includes a rubber pulling frame 821, a rubber pulling driver 822 and a first rubber pulling clamp 823. The rubber pulling frame 821 is arranged on one side of the tape loading rack 811, and the rubber pulling driver 822 is arranged on the rubber pulling frame. 821, its output end is connected with the first rubber clamping piece 823. The glue-pull driver 822 drives the first glue-pull clamp 823 close to the rubber roller 813, the first glue-pull clamp 823 clamps the tape head, and then the glue-pull driver 822 drives the first glue-pull clamp The part 823 is away from the rubber roller 813, and completes the glue pulling of the adhesive tape. Preferably, the rubber pulling mechanism 82 also includes a second rubber pulling clamp 824, the second rubber pulling clamp 824 is arranged on the tape loading rack 811 and is adjacent to the rubber roller 813, and after the rubber roller 813 changes direction The tape head of the adhesive tape is clamped by the second rubber pulling clamp 824, when the first rubber pulling clamp 823 clamps and pulls the rubber, the second rubber pulling clamp 824 is released, and when the glue cutting mechanism 83 cuts the glue At this time, the first glue-pull clamping piece 823 and the second glue-pull clamping piece 824 are clamped synchronously, so as to facilitate the glue-pull. The glue driving part 822 in this embodiment can adopt a linear module, or the cooperation of the electric core, the screw pair and the slide table, and the first rubber clamping part 823 and the second rubber clamping part 824 can adopt clamping The cooperation of cylinder and splint. The rubber cutting mechanism 83 is arranged on the rubber pulling frame 821, and includes a rubber cutting driver 831 and a cutter 832. The output end of the rubber cutting driver 831 is connected to the cutter 832, and the glue cutting driver 831 drives the cutter 832 to approach the stretched Tape for cutting glue. The gluing mechanism 84 includes a gluing frame 841 , a gluing drive assembly 842 and a gluing assembly 843 . The glue-applying frame 841 is adjacent to the glue-pull frame 821, and the glue-applying drive assembly 842 is arranged on the glue-applying frame 841, and its output end is connected with the glue-applying assembly 843, and the glue-applying driving assembly 842 drives the glue-applying assembly 843 to draw near the glue-pull mechanism 82. For the adhesive tape after gluing, the gluing assembly 843 absorbs the glued adhesive tape, and then the glue cutting mechanism 83 cuts the adhesive tape, so that the adhesive tape absorbed by the gluing assembly 842 forms a tape section, after that, the gluing drive assembly 842 drives the adhesive tape again. The glue component 843 is away from the glue pulling mechanism 82, and moves to the position of the welding jig 32, and glues the soldered and leveled battery cells. The gluing drive assembly 842 in this embodiment can use a linear module with two degrees of freedom or three degrees of freedom. The adhesive assembly 843 includes an adhesive driver 8431 and an adhesive adhesive 8432. The output end of the adhesive driver 8431 is connected to the adhesive adhesive 8432. The adhesive adhesive 8432 absorbs or releases the adhesive tape. 8431 drives the sticking adhesive 8432 to be close to the glued tape or battery. The sticking drive 8431 can be a cylinder, and the sticking stick 8432 is two suction blocks arranged side by side, with a space between the two suction blocks. Preferably, the gluing device 8 also includes a battery-in-place detection part 85, which is arranged on the glue-applying frame 841, and the battery-in-place detection part 85 is used to detect whether the battery in the welding jig 32 is in place, if When it is in place, the gluing drive assembly 842 drives the gluing assembly 843 to perform gluing. The battery-in-position detecting member 85 in this embodiment can adopt a photoelectric sensor. In another embodiment, the gluing device 8 has a gluing mechanism 84 . The gluing mechanism 84 absorbs the adhesive tape, and attaches the adhesive tape to the soldered batteries. In this embodiment, the feeding tape is a tape segment that has been cut, for example, a segmented tape on the release paper, and the adhesive driving part 8431 drives the adhesive absorbing part 8432 to be close to the tape segment, and the adhesive absorbing part 8432 absorbs the adhesive tape section, and then the adhesive driver 8431 drives the adhesive attachment 8432 to transfer to the location of the battery cell for adhesive application.

Referring again to FIG. 1 , further, the unloading device 6 includes a unloading mechanism 61 and a defective product transfer mechanism 62 . One end of the unloading mechanism 61 is adjacent to the end of the second conveying assembly 313 , and the other end extends away from the second conveying assembly 313 . The unloading mechanism 61 unloads the batteries that have been glued, and the defective product transfer mechanism 62 transfers the unqualified products. The unloading mechanism 61 in this embodiment can use the linear module and the manipulator to unload. The good product transfer mechanism 62 can adopt a transmission line. The unqualified products here can be the unqualified products in the appearance inspection, including the unqualified products in the welded part and the glued part. For example, a CCD inspection system is installed at the end of the second transmission component 313 for appearance inspection.

It is worth noting that in this embodiment, the loading of the top cover, the battery cell, the protective cover and the protective sheet, the welding of the battery cell, the protective cover and the protective sheet, the welding and leveling, the glue application and the blanking are all carried out using Double stations to improve the efficiency and production capacity of the automatic welding machine in this embodiment.

To sum up: the layout of the automatic welding machine in this embodiment is reasonable, the welding efficiency, welding quality and welding production capacity are high, and the space occupied is small, and the enterprise cost is low, so it is suitable for popularization and use.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and variations of the present invention will occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims (10)

1. An automatic welding machine is characterized by comprising a top cover feeding device (1), a battery cell feeding device (2), a transmission device (3), a welding protection device (4), a welding device (5) and a discharging device (6); the welding protection device (4), the welding device (5) and the blanking device (6) are sequentially arranged along the conveying path of the conveying device (3); top cap loading attachment (1) is used for the material loading of top cap, electricity core loading attachment (2) are used for the material loading of electric core, transmission device (3) are received the material loading the top cap with electric core, and the conveying the top cap with electric core passes through in proper order welding protection device (4) welding set (5) and unloader (6), welding protection device (4) provide screening glass and visor, welding set (5) are right the top cap screening glass and electric core welding, the visor provides the protection when welding, unloader (6) are to the welding back electric core unloading.

2. the automatic welding machine according to claim 1, characterized in that it further comprises a protective cover blanking and levelling device (7); the protective cover blanking and leveling device (7) is arranged on a conveying path of the conveying device (3) and is adjacent to the welding device (5); and the protective cover blanking and flattening device (7) is used for blanking and welding and flattening the welded protective cover.

3. Automatic welding machine according to claim 2, characterized in that it further comprises a rubberizing device (8); the rubberizing device (8) is arranged on a conveying path of the conveying device (3) and is adjacent to the protective cover blanking and leveling device (7); and the rubberizing device (8) is used for rubberizing the electric core after welding and printing are leveled.

4. The automatic welding machine according to any one of claims 1-3, characterized in that the top cover feeding device (1) comprises a top cover feeding mechanism (11), a top cover shaping mechanism (12), a top cover marking mechanism (13) and a top cover buffer transferring mechanism (14) which are arranged in sequence; top cap feed mechanism (11) are used for the material loading of top cap, top cap plastic mechanism (12) are received the material loading the top cap carries out the plastic, top cap coding mechanism (13) are received after the plastic the top cap carries out the mark sign indicating number, top cap buffer memory transport mechanism (14) are received after the mark sign indicating number the top cap to the buffer memory is transported extremely transmission device (3).

5. The automatic welding machine according to any one of claims 1 to 3, wherein the cell loading device (2) comprises a cell loading mechanism (21), a cell loading transfer mechanism (22) and a cell transfer mechanism (23) which are arranged in sequence; the battery cell loading mechanism (21) is used for loading the battery cell, the battery cell loading transfer mechanism (22) receives the loaded battery cell and performs interval adjustment, and the battery cell transfer mechanism (23) receives the interval-adjusted battery cell and transfers the interval-adjusted battery cell to the transmission device (3).

6. The automatic welding machine according to any one of claims 1 to 3, characterized in that said transmission device (3) comprises a transmission mechanism (31) and a welding jig (32); welding tool (32) with the transmission end of transmission device (31) is connected, transmission device (31) conveys welding tool (32), welding tool (32) receive in proper order the top cap electric core the screening sheet and the visor, or welding tool (32) receive in proper order the top cap electric core the screening sheet and the screening sheet.

7. The automatic welding machine according to any one of claims 1 to 3, characterized in that the welding protection device (4) comprises a protection cover feeding mechanism (41) and a protection sheet feeding mechanism (42) which are adjacently arranged; the protective cover feeding mechanism (41) is used for feeding the protective cover, and the protective sheet feeding mechanism (42) is used for feeding the protective sheet.

8. the automatic welding machine according to any one of claims 1 to 3, characterized in that said welding device (5) comprises a first welding means (51) and a second welding means (52) arranged in sequence; the first welding mechanism (51) is used for welding the anode or the cathode of the battery cell, and the second welding mechanism (52) is used for welding the cathode or the anode of the battery cell.

9. the automatic welding machine according to any one of claims 2 to 3, characterized in that said protective cover blanking and flattening device (7) comprises a protective cover blanking mechanism and a solder print flattening dust removal mechanism (71); the protective cover blanking mechanism is used for blanking of the protective cover, and the welding seal flattening dust removal mechanism (71) is used for flattening and removing dust for welding seals after welding is completed.

10. automatic welding machine according to claim 3, characterized in that said rubberizing device (8) has a rubberizing mechanism (84); and the adhesive tape sticking mechanism (84) adsorbs an adhesive tape and sticks the adhesive tape to the welded battery cell.