596results about "Primary cell manufacture" patented technology

The invention provides a battery cell rubberizing device and battery production equipment, the battery cell rubberizing device comprises a loading mechanism, a first positioning mechanism, a transfer mechanism and a rubberizing mechanism, the loading mechanism is used for storing a rubberizing piece; the first positioning mechanism is used for placing an adhesive part; the transfer mechanism comprises a first transfer mechanism and a second transfer mechanism which are both used for moving the adhesive parts; the adhesive tearing mechanism comprises a first adhesive tearing mechanism and a second adhesive tearing mechanism which are both used for tearing release paper of the adhesive part; wherein the first transfer mechanism sucks an adhesive piece of the loading mechanism and places the adhesive piece on the first positioning mechanism, the first adhesive tearing mechanism tears release paper at the bottom of the adhesive piece, the second transfer mechanism sucks the adhesive piece of the first positioning mechanism and adheres the adhesive piece to a battery cell of the conveying line, and the second adhesive tearing mechanism tears release paper at the top of the adhesive piece. Through the loading mechanism, the first positioning mechanism, the transferring mechanism and the adhesive tearing mechanism, release paper of the adhesive part is automatically torn off, and the adhesive part is adhered to the battery cell, so that the production efficiency and the product quality are improved.

The invention discloses pole lug trimming equipment and method for a soft package battery, and relates to the technical field of battery core pole lug trimming, the pole lug trimming equipment comprises a feeding device and a pole lug trimming device, the pole lug trimming device comprises a conveying mechanism arranged on a machine tool and used for conveying a battery core; an electrode detection mechanism, an adjusting mechanism, an overturning mechanism, a primary flattening mechanism and a laser cutting mechanism are sequentially arranged in the conveying direction of a battery cell, wherein the electrode detection mechanism is used for detecting the electrode of a battery cell tab; the adjusting mechanism is used for adjusting the electrode direction of the battery cell tab; the overturning mechanism is used for overturning the battery cell; the secondary flattening mechanism is used for flattening the tabs; the size detection mechanism is used for detecting the tabs; according to the invention, automatic continuous operation of tab direction adjustment, different-size cutting and other procedures is realized, battery cells with different requirements are processed at the same time, the production cost is reduced, and the production efficiency is improved.

The invention discloses an isostatic pressing device of an all-solid-state battery and a preparation method of the all-solid-state battery, the isostatic pressing device of the all-solid-state battery comprises a shell with an opening at the upper end and an upper cover, an isostatic pressing cavity is formed in the shell, the upper cover covers the upper end of the shell, a cylinder is arranged in the isostatic pressing cavity, and the upper cover covers the upper end of the shell. An all-solid-state battery and a conductive connecting piece used for being electrically connected with a tab of the all-solid-state battery are placed in the cylinder body, the cylinder body comprises a left half part, an insulating parting strip and a right half part, the left half part, the insulating parting strip and the right half part are sequentially connected, the left half part is electrically connected with the upper cover, and the insulating parting strip is electrically connected with the conductive connecting piece. The left half part is electrically connected with the shell, the right half part is electrically connected with the shell, an insulating sealing ring is arranged between the shell and the upper cover, and a tab of the all-solid-state battery is electrically connected with the left half part or the right half part through the conductive connecting piece; the device has the advantages that the isostatic pressing function and the in-situ formation function are achieved, the preparation process is shortened, and the production efficiency is improved.

To provide a manufacturing method of an electric storage device, capable of correcting an accuracy necessary surface of a sealing body within a reference value by changing a correction deformation magnitude in accordance with a wrapping displacement magnitude of the sealing body.SOLUTION: The present invention provides a manufacturing method of an electric storage device 10 having a correction step S4 of correcting a sealing body 12. The manufacturing method contains: a data base formation step S1 of having an accuracy necessary surface 12S in the sealing body, and accumulating correlation graph data SKD of a wrapping displacement magnitude Q of a front and back direction (a z-direction) of an accuracy necessary surface against a support point 12K of the sealing body and a correction deformation magnitude P in which the accuracy necessary surface is corrected and deformed to front and back opposite directions to a position where an accuracy requirement surface can be recovered to a normal position SK by own elastic force; a surface modulation measurement step S2 of measuring the wrapping displacement magnitude; and a displacement magnitude determination step S3 of determining whether the wrapping displacement magnitude satisfies a reference value KJ. In the correction step, a load is applied until the correction deformation magnitude occurs when the wrapping displacement magnitude to be measured in the surface modulation measurement step to the accuracy necessary surface in a determination rejection is matched to the wrapping displacement magnitude in the correlation graph data to be released.SELECTED DRAWING: Figure 5

The invention discloses a lithium battery processing roundness shaping device and method, and relates to the technical field of lithium battery processing, the lithium battery processing roundness shaping device comprises a positioning frame, and the inner side of the positioning frame is provided with a position adjusting rounding piece connected with a transverse push rod. By arranging the position adjusting and rounding piece and starting the first servo motor, the shortest distance between the edge of the correction roller and the circle center of the supporting plate is adjusted to be equal to the target radius of the battery cell, the telescopic air cylinder is started, the correction roller moves by a certain distance in the direction away from the circle center of the supporting plate, and one-time rounding treatment can be conducted on the battery cell by rotating the correction roller in the same direction; then the telescopic air cylinder drives the movable sleeve plate to move to enable the positioning plate to be attached to the movable sleeve plate again, so that the shortest distance between the correction roller and the circle center of the supporting plate is equal to the target radius of the battery cell, rounding treatment is conducted on the battery cell again through rotation of the correction roller, and therefore part of internal stress of the pole piece and the diaphragm can be released; and material fracture or drape aggravation caused by forced shaping is avoided.

The invention is applicable to the technical field of battery production equipment, and provides winding equipment and battery manufacturing equipment, and the winding equipment comprises a compounding mechanism used for unwinding a first pole piece, a first diaphragm and a second pole piece, and pressing the first pole piece, the first diaphragm and the second pole piece to form a composite piece body; the diaphragm unwinding mechanism is used for unwinding a second diaphragm; and the winding mechanism is arranged on the discharging side of the compounding mechanism, and the winding mechanism is used for winding the composite sheet body and the second diaphragm to form an electrode assembly. The winding equipment is reasonable in layout, and the problem that the space above the winding mechanism is crowded is solved.

An adhesive tape attaching mechanism includes: an assembly base; a central adhesive tape suction assembly capable of adsorbing and attaching an adhesive tape to a first surface of a workpiece to be adhered; end adhesive tape suction assemblies arranged on two opposite sides of the central adhesive tape suction assembly, where each of the end adhesive tape suction assemblies includes an end driving member and an end adhesive tape suction member in transmission connection with the end driving member; and an end sliding assembly, disposed on the assembly base, where each of the end adhesive tape suction members is configured to be driven by the end driving member connected thereto, guided by the end sliding assembly to slide toward the central adhesive tape suction assembly for closing, and is capable of adsorbing, bending, and attaching the adhesive tape to a second surface and a third surface of the workpiece, respectively.

The invention discloses a rubbing component, a battery cell rubbing device and a battery cell rubbing method, the rubbing component comprises a rubbing base, a rubbing wheel connected with the rubbing base and a central needle, the rubbing wheel and the rubbing base are rotatably connected with each other about a first shaft, the rubbing wheel comprises a rubbing head, the rubbing head is a rotary body relative to the first shaft, and the central needle is connected with the rubbing base. The rubbing and flattening head is used for rubbing and flattening the end surface of a tab of the battery cell; the central needle is rotatably connected with the rubbing base relative to a second shaft, the second shaft is perpendicular to the tangent plane of the side, away from the rubbing base, of the rubbing head, and the central needle is used for being inserted into a central hole of the battery cell. Compared with the prior art, the structure provided by the invention has the advantages that in the rubbing process, the central needle and the battery cell are relatively static, and the dynamic scraping effect between the central needle and the battery cell is fundamentally eliminated due to no rotary friction effect between the central needle and the battery cell; and the bad problems of short circuit caused by diaphragm friction scratch due to friction between the central needle and the battery cell in relative rotational motion and stripping and falling of the active material due to friction between the central needle and the positive and negative pole pieces in the rubbing process are effectively solved.

The invention discloses a battery carrying system, a control method and a battery preparation system.The battery carrying system comprises a picking module, a conveying module and a temporary storage module, the picking module comprises a plurality of picking assemblies arranged at intervals, and the picking assemblies are used for picking first battery components; the conveying module is used for conveying the picking module, and the picking module is arranged to release the unqualified first battery component to the recycling area and keep the qualified first battery component; the temporary storage module is arranged in the temporary storage area and comprises a transferring assembly and a plurality of temporary storage assemblies, the temporary storage assemblies are used for temporarily storing second battery components, each picking assembly is arranged corresponding to one temporary storage assembly, and the transferring assembly is used for transferring the second battery components among the multiple temporary storage assemblies; in response to the first state, the transfer assembly is arranged to enable the temporary storage assembly corresponding to the pickup assembly in the vacant state to be in the storage state, and the pickup assembly in the vacant state is arranged to pick up the second battery component from the corresponding temporary storage assembly, so that the size is saved, and the production efficiency is improved.

The embodiment of the invention provides a film coating system and method.The film coating system comprises control equipment and an upper computer, and the control equipment is used for setting a trigger signal to be in a first state when it is detected that a to-be-coated battery cell reaches a film coating station; the upper computer is used for generating a target virtual code of the battery cell to be coated according to a virtual code generation rule when reading that the trigger signal is in the first state; and the upper computer is used for writing the target virtual code into a preset database in the control equipment and completing station entering of the to-be-enveloped battery cell at the enveloping station based on the target virtual code, and the target virtual code has uniqueness in the preset database. The unique target virtual code can be generated, the precise tracing of the local data log is effectively realized, and the management efficiency of the enveloping system is improved.

The invention relates to the technical field of battery cell rubberizing, in particular to a side-flying rubberizing machine and a rubberizing method thereof. Comprising a feeding module, a transfer module, a shaping mechanism, a stripping mechanism, a visual flying bat, a flying spider hand and a battery cell assembling position, the transferring module comprises a material taking gripper and a multi-separation-position transferring rotating disc, the material taking gripper, the shaping mechanism and the stripping mechanism are sequentially arranged on corresponding separation positions of the multi-separation-position transferring rotating disc, and materials of the feeding module are grabbed to the multi-separation-position transferring rotating disc through the material taking gripper; the multi-division transfer turntable rotates and drives the materials to sequentially enter the shaping mechanism and the stripping mechanism to finish shaping and stripping; and a structure for transferring a belt to an area where a visual flying photograph is located and taking a material by a flying spider hand from the transferring belt and moving the material to a battery cell assembling position to complete battery cell rubberizing is arranged behind the stripping mechanism, so that the effects of improving the battery cell rubberizing efficiency and precision, realizing full-process high-speed automatic operation and optimizing the space utilization rate and the system reliability are achieved.

The full-automatic spot welding machine for machining the battery pack comprises a rack and further comprises a welding bearing assembly, a feeding assembly, an assembling limiting assembly, a nickel sheet feeding assembly, a battery conveying assembly, a battery assembling assembly, a connecting assembling assembly and a battery spot welding assembly. Therefore, the problem of nickel sheet welding errors caused by manual spot welding is solved, meanwhile, the investment of human resources is reduced, the welding quality of a battery pack is guaranteed, through cooperative work of the battery conveying assemblies and through a single power source, the storage box can be driven to move in a reciprocating mode while the batteries are discharged, and the welding efficiency of the battery pack is improved. According to the device, the storage box is arranged, so that a battery pack in the storage box is prevented from being blocked, the material pushing plate synchronously drives the material blocking plate to descend before a battery is pushed out of the limiting seat through cooperative work of the battery assembling components, and material pushing and limiting releasing are synchronously carried out through arrangement of a single power source.

The embodiment of the invention provides an electrode assembly and a manufacturing method and equipment thereof, a battery and a power utilization device, the electrode assembly is used for a battery monomer (100) and comprises a first pole piece (1) and a second pole piece (2) which are opposite in polarity, and each of the first pole piece (1) and the second pole piece (2) comprises a main body part (11) and a tab (12) protruding out of the main body part (11), the first pole piece (1) and the second pole piece (2) are wound around a winding axis (K), so that respective main body parts (11) form a winding main body (S); the end part of the winding main body (S) comprises at least one conductive region (121) and at least one liquid guide region (111), the tab (12) is led out from the conductive region (121), is wound for at least one circle and is used for being electrically connected with a terminal (1022) of a battery monomer (100), and the liquid guide region (111) and the conductive region (121) are arranged adjacently along the radial direction of the winding main body (S) and are used for guiding electrolyte to flow into the winding main body (S).

A wrapping film end-closing device (100), comprising a base (10), a clamping mechanism (20), a first end-closing mechanism (30) and a second end-closing mechanism (40), wherein the clamping mechanism (20) is arranged on the base (10), the clamping mechanism (20) being configured to clamp a workpiece (300) wrapped with a wrapping film (200) having unclosed ends, the wrapping film (200) being provided with a first end-closing section (2001) and a second end-closing section (2002); and the first end-closing mechanism (30) and the second end-closing mechanism (40) are arranged on the base (10), the first end-closing mechanism (30) and the second end-closing mechanism (40) being configured to attach the first end-closing section (2001) and the second end-closing section (2002) to the same surface of the workpiece, respectively. The clamping mechanism (20) can clamp the workpiece (300) wrapped with the wrapping film (200) having unclosed ends, so as to fix the position of the workpiece (300), such that the workpiece (300) is more stable during a wrapping film end-closing process. The first end-closing mechanism (30) and the second end-closing mechanism (40) can attach the first end-closing section (2001) and the second end-closing section (2002) to the same surface of the workpiece, respectively, thereby achieving end-closing of the workpiece (300), and both end-closing operations can be performed while the workpiece (300) is being clamped by the clamping mechanism (20). A battery production line, comprising the wrapping film end-closing device (100). In this way, both end-closing operations can be performed while the workpiece is being clamped by the clamping mechanism; thus, the end-closing process is simple and convenient, and the end-closing efficiency is high.

The invention discloses a dust removal part, a dust removal system and a battery production line, and the dust removal system comprises a dust remover and the dust removal part; the shell is arranged on the bottom face of the logistics line, a first ventilation channel is formed in the shell, and an air outlet of the first ventilation channel faces the logistics line; the dust remover is arranged on the bottom surface of the logistics line and is configured to remove sundries at the gap of the logistics line; the dust removal part is arranged on the bottom face of the logistics line and is configured to adsorb sundries on the logistics line through static electricity. According to the scheme, due to the fact that the air outlet of the first ventilation channel faces the logistics line, dust, adsorbed by static electricity, on the surfaces of materials on the logistics line can be blown off by blowing ionic wind to the first ventilation channel, then sundries at the gaps of the logistics line are removed through the dust remover, and the sundries at the gaps of the logistics line are prevented from falling on the surfaces of the materials; and finally, fine dust particles remaining on the surfaces of the materials are adsorbed through the electrostatic adsorption function of the dust removal part, so that dust on the materials can be effectively treated, and the overall dust removal effect is good.

The invention relates to the technical field of soft package battery processing, in particular to soft package battery assembling equipment and a method thereof.The soft package battery assembling equipment is provided with a conveying part used for conveying battery cells, and a tab processing assembly, a rubberizing assembly, a stacking assembly, a bending assembly, a tab welding assembly, an upper shell assembly and a shell welding assembly are sequentially arranged in the battery cell conveying direction of the conveying part; the tab processing assembly comprises a cutting piece arranged corresponding to the conveying piece, and the cutting piece can cut the tab; the rubberizing assembly comprises a gluing piece arranged corresponding to the conveying piece so as to paste a film on the battery cell; and the stacking assembly comprises a storage rack and a grabbing piece for conveying the battery cells into the storage rack to be stacked and transferring the battery cells to the conveying piece. The problems that in the prior art, soft package battery processing equipment is insufficient in continuity and large in occupied area, and then the soft package battery processing quality and efficiency are affected are solved.

The invention provides a punching, laminating and thermal compounding all-in-one machine which comprises a positive electrode die-cutting machine, a positive electrode thermal compounding machine, a negative electrode die-cutting machine, a single-sided negative electrode die-cutting machine, a laminating machine, a laminated core hot-pressing detection machine and a laminated core tray loading and blanking machine, the positive electrode thermal compounding machine, the negative electrode die-cutting machine and the single-sided negative electrode die-cutting machine are respectively connected with the lamination machine, the lamination machine is connected with the laminated core hot-pressing detection machine, and the laminated core hot-pressing detection machine is connected with the laminated core tray loading and blanking machine. The production efficiency and the qualified rate of finished products are effectively improved; a plurality of pieces are formed at a time through die cutting by firstly cutting into one section and then positioning by a CCD (Charge Coupled Device), so that less waste is generated, and the die cutting precision of positive and negative pole pieces is high; the positive electrode thermal compounding machine adopts a flat pressing mode; the lamination machine adopts a one-time lamination mode, the lamination efficiency is high, the laminated core is subjected to pressure maintaining in the whole process, and the laminated core hot-pressing detection machine adopts a rotating disc type rubberizing mode.

The invention relates to the technical field of battery cell hot-pressing formation, in particular to a pressurizing mechanism of an air bag pressurizing battery cell, which comprises a base, a battery cell placing assembly and a driving assembly are arranged on the base, and the pressurizing mechanism also comprises an air bag pressurizing assembly, and the air bag pressurizing assembly is in transmission connection with the driving assembly; the air bag pressurizing assembly comprises a cavity plate, a profiling plate and an air bag piece, an air inlet cavity is formed in the side, facing the profiling plate, of the cavity plate, the air bag piece covers the outside of the air inlet cavity, and a profiling opening matched with the shape of a battery cell is formed in the profiling plate; the air bag pressurization assembly further comprises an inflation and deflation device, so that when the air bag pressurization assembly gets close to the battery cell placement assembly, air is input into the air inlet cavity, the air bag piece is expanded, and the air bag piece penetrates through the profiling opening to apply pressure to the battery cell on the battery cell placement assembly. The air bag sheet directly acts on the surface of the battery cell, and the air bag sheet can still be adaptively attached even if the surface of the battery cell is uneven by virtue of the flexible deformation characteristic of the air bag sheet during pressure application, so that the uniform distribution of the pressure on the stressed surface is ensured.

This invention relates to the field of magnesium primary battery preparation technology, and discloses a magnesium aqueous primary battery system, including a positive electrode, a negative electrode, and an electrolyte. The negative electrode is any one of magnesium metal and magnesium alloy. The positive electrode is made of a positive electrode active material, superconducting carbon, and a first-order gelatinizing agent. The electrolyte is made of magnesium bromide, a corrosion inhibitor, and a second-order gelatinizing agent. The preparation method includes the following steps: S1: preparing a positive electrode slurry; S2: preparing an electrolyte by introducing a corrosion inhibitor into the magnesium bromide electrolyte, followed by adding a second-order gelatinizing agent for gelatinization treatment to obtain a slow-release gelatinized electrolyte; S3: preparing a positive electrode steel shell; S4: assembling the battery. The technical solution of this invention not only slows down the corrosion rate of the negative electrode material and improves the utilization rate of the negative electrode material, but also solves the problems of voltage hysteresis and volume expansion during battery discharge; furthermore, it can match the reaction rates of the positive and negative electrodes.

The invention discloses battery baking production equipment. The battery baking production equipment comprises a battery transferring trolley, a running track, a baking furnace, a feeding conveying belt and a discharging conveying belt; the baking ovens are arranged on the two sides of the running track; a tray inlet and a tray outlet are formed in one end of the battery transfer trolley; the feeding conveying belt is arranged above the baking oven on one side and is in butt joint with the tray inlet. The discharging conveying belt is arranged above the baking oven on the other side and is in butt joint with a tray outlet. The front side and the rear side of the other end of the battery transfer trolley are each provided with a clamp butt joint opening. The battery transfer trolley comprises a frame, and a transfer manipulator, a clamp push-pull device and a tray conveying and positioning device which are arranged on the frame; the frame is provided with a clamp area and a tray area, and the tray conveying and positioning device is arranged in the tray area. The clamp push-pull device is arranged in the clamp area; and the transferring manipulator transfers the battery between the clamp of the clamp push-pull device and the tray of the tray conveying and positioning device. The device is reasonable and compact in structural arrangement and high in production efficiency.

The invention discloses a high-capacity and high-energy-density lithium / carbon fluoride battery and a preparation method thereof, and relates to the technical field of lithium / carbon fluoride batteries. The active carbon with high specific surface is added into the positive electrode slurry, and the porous structure of the active carbon provides more lithium ion transmission channels, so that LiF accumulation is relieved, polarization is reduced, and the discharge capacity and the energy density of the lithium / carbon fluoride battery are improved; and by optimizing the battery process ratio, the prepared lithium / carbon fluoride battery has high thermal conductivity and uniform heat dissipation, the thermal runaway risk is reduced, and the battery safety is improved.

The invention provides battery lamination hot-pressing equipment and a battery lamination hot-pressing method, and relates to the technical field of battery processing. The battery lamination hot-pressing equipment comprises an upper hot-pressing assembly, a lower hot-pressing assembly, a flexible supporting assembly, a jacking assembly and a clamping assembly, the upper hot-pressing assembly and the lower hot-pressing assembly are oppositely arranged up and down; the flexible supporting assembly comprises a flexible layer, and the flexible layer is unfolded above the lower hot pressing assembly; the output end of the jacking assembly is used for ascending and descending to drive the flexible layer above the output end to ascend and descend, and the flexible layer is used for being deformed into a table body structure when the output end of the jacking assembly ascends; the clamping assembly can move to the peripheral side of the table body structure so that the clamped bare battery cell can abut against the top of the table body structure. According to the battery lamination hot-pressing equipment, through mutual cooperation of the clamping assembly, the flexible layer and the jacking assembly, a bare battery cell can be stably transferred to the lower hot-pressing assembly, dislocation between positive and negative pole pieces of the bare battery cell is prevented, and the structural stability of the bare battery cell in the transferring, placing and hot-pressing processes is effectively guaranteed.

The invention relates to an extrusion mechanism, a composite current collector preparation device, a composite current collector preparation method and a battery production system.An air exhaust hole is formed in a supporting roller and / or the roller surface of an extrusion roller, when the extrusion roller and the supporting roller are matched to extrude a conductive layer and a base material layer which are bonded with each other, air exhaust can be conducted on the surface of the conductive layer and / or the base material layer through the air exhaust hole, and therefore the surface of the conductive layer and / or the base material layer is extruded. Therefore, the conductive layer and the substrate layer are squeezed and sucked at the same time, gas escape between the conductive layer and the substrate layer is accelerated, bubbles between the conductive layer and the substrate layer are reduced, the binding force between the conductive layer and the substrate layer is improved, the stripping risk of the conductive layer is reduced, and the performance of the battery is improved.

The invention discloses lithium battery protective film coating equipment, and belongs to the technical field of lithium battery coating, the lithium battery protective film coating equipment comprises a rack, and further comprises a film unfolding mechanism, a battery coating mechanism and a laminating mechanism, one side of the rack is provided with the film unfolding mechanism for unwinding and spreading a protective film, and the laminating mechanism is provided with a laminating mechanism; a battery wrapping mechanism for wrapping a battery with a film is installed on one side of the machine frame, an attaching mechanism for attaching the side edge of the battery wrapped with the film is installed on the upper side of the machine frame, the film unfolding mechanism comprises an unwinding assembly and an alternate unfolding assembly, the unwinding assembly for auxiliary unwinding of the film is installed on the upper side of the machine frame, and the alternate unfolding assembly is installed on the lower side of the machine frame. The upper side of the rack is provided with an alternate unfolding assembly for alternately unfolding a film. By means of the mode, bubbles can be eliminated while protective films on the upper face, the lower face, the front face and the back face of a battery can be rapidly attached, the protective films on the side wall of the battery can be rapidly further attached to complete battery film coating, and the production efficiency is high.

The invention provides a soft package battery stacking work station which comprises an accessory preparation mechanism used for feeding an end plate and a heat insulation plate; the battery cell preparation mechanism is used for supplying single battery cells, the battery cell preparation mechanism and the accessory preparation structure are adjacently arranged, and a stacking area is defined by the battery cell preparation mechanism and the accessory preparation structure; the battery cell stacking mechanism is arranged in the stacking area and is used for stacking end plates, heat insulation plates and single battery cells to form a battery module; the first transfer mechanism is arranged between the battery cell stacking mechanism and the accessory preparation mechanism and is used for transferring an end plate and a heat insulation plate from the accessory preparation mechanism to the battery cell stacking mechanism; and the second transfer mechanism is arranged between the battery cell stacking mechanism and the battery cell preparation mechanism and is used for transferring the single battery cells from the battery cell preparation mechanism to the battery cell stacking mechanism. The device is compact in structure and beneficial to solving the problem of site limitation.

The invention discloses hot melt adhesive laminating equipment for new energy battery processing, and belongs to the technical field of new energy battery processing, the hot melt adhesive laminating equipment comprises a processing table and a limiting seat for placing a standard single battery, the left side and the right side of the limiting seat are both provided with feeding guide rails for distributing processing parts, and the feeding guide rail on the left side is provided with an electrical connection assembly. According to the invention, through the arrangement of the rubberizing accessory, in the electrical connection process of the wiring threaded sleeve, the stretching glue overflowing sleeve and the extruded hot melt adhesive can be fused into a whole, the adhesive layer can be removed through overall stripping during maintenance, and compared with the traditional threaded adhesive which needs to be cleaned by a solvent, the operation is more convenient; according to the invention, electrical connection assembly and wiring rubberizing packaging in the battery pack can be carried out synchronously, and the problems that in the process of gluing first and then assembling, a glue solution is cured in advance to cause bonding failure, and the glue solution cannot penetrate into threads in the process of gluing first and then assembling are solved.

The invention discloses a battery cell flattening device and a battery cell flattening method.The battery cell flattening device comprises a rack, a flattening unit and a clamping unit, the flattening unit is arranged on the rack and comprises a flattening mechanism, the flattening mechanism is used for flattening the end of a battery cell, the flattening mechanism is provided with a flattening space with an upward opening, and the clamping unit is used for clamping the end of the battery cell; the rubbing space is used for accommodating the end part of the battery cell, the clamping unit is arranged on the rack and comprises a clamping mechanism and an overturning mechanism, the clamping mechanism is positioned above the rubbing mechanism and is used for clamping the battery cell, and the overturning mechanism is connected with the clamping mechanism and is used for driving the clamping mechanism to overturn up and down. According to the battery cell flattening device disclosed by the embodiment of the invention, the battery cell can be always positioned above the flattening mechanism, and the flattened end part in the battery cell can face downwards, so that chippings generated when the end part of the battery cell is flattened fall down under the action of self gravity, and the chippings are prevented from falling off. And the possibility that chippings generated when the end part of the battery cell is kneaded enter the battery cell can be effectively reduced or avoided.

The invention relates to a lamination device, a lamination process and battery processing equipment, the lamination device comprises a rolling mechanism used for rolling a pole piece, the rolling mechanism comprises at least one group of roller assemblies, and a rolling space is formed between the two groups of roller assemblies at intervals; wherein at least one roller assembly in each group of roller assemblies comprises a roller body and a release agent layer, and the release agent layer is arranged on the periphery of the roller body in the direction intersecting with the axial direction of the roller body. According to the roller assembly, the release agent layer is arranged on the periphery of the roller body, when a rolling mechanism is used for carrying out hot-pressing compounding on a pole piece, the release agent layer can isolate release force generated by penetration of pressure-sensitive adhesive molecules on a diaphragm, and the probability that the pressure-sensitive molecules penetrate through the diaphragm and are adhered to the roller assembly is reduced; and the pressure-sensitive adhesive can be more easily stripped from the release agent layer, so that the problem that the adhesive is adhered to the roller assembly is effectively solved, and the positive plate, the diaphragm and the negative plate can be more stably adhered and compounded.

The application relates to the technical field of batteries, and discloses a cylindrical battery and a preparation method of the cylindrical battery. The cylindrical battery comprises a first cylindrical battery cell and a second cylindrical battery cell. The first cylindrical battery cell comprises a first battery cell main body, a first tab and a second tab. The first tab and the second tab with opposite polarities extend from opposite ends of the first battery cell main body along a first direction and a second direction respectively. The first battery cell main body comprises a first center hole. The second cylindrical battery cell comprises a second battery cell main body, a third tab and a fourth tab. The third tab and the fourth tab with opposite polarities extend from opposite ends of the second battery cell main body along the first direction and the second direction respectively. The second battery cell main body comprises a second center hole, and the second cylindrical battery cell is arranged in the first center hole. The first tab and the third tab with opposite polarities are connected, so that the first cylindrical battery cell and the second cylindrical battery cell are connected in series, and the voltage of the cylindrical battery is improved.

The application discloses a battery glue nail separation and exhaust device, which comprises a first positioning support and a second positioning support, a conveying line for driving a restraint tray to transfer between the first positioning support and the second positioning support, a nail pulling mechanism comprising a first gantry arranged above the first positioning support and a mechanical hand arranged on the first gantry and capable of lifting and moving relative to the restraint tray, a protective cover sleeved on the mechanical hand, the protective cover comprising first and second connecting ends at two ends and a cover body, the length of the cover body being capable of being changed in extension and contraction, the first connecting end being further provided with an exhaust port in communication with the internal space of the protective cover, and a suction mechanism comprising a second gantry and a suction device arranged on the second gantry. The device avoids multiple transfers of the battery between different devices, greatly simplifies the process flow, reduces the equipment occupied space, and improves the production efficiency; and the device avoids the impurities from entering the battery, thereby guaranteeing the air tightness and performance stability of the battery.