512results about "Primary cells" patented technology

The application discloses a kind of double-face rubberizing equipment of battery tab, including backplate, adhesive tape supply line, outlet guide roller, linear slide rail, take tape gas claw, telescopic cylinder, stop gas claw, double-knife gas claw, the backplate is provided with two-way adhesive tape supply line, the adhesive tape supply line converges to a pair of outlet guide roller, the backplate is reversely installed with a pair of linear slide rail with outlet guide roller as origin, the linear slide rail outer end is provided with the take tape gas claw opposite outlet guide roller, the take tape gas claw is pulled by telescopic cylinder being arranged in the inner end of linear slide rail, the outlet guide roller surface is matched with stop gas claw.By the above mode, the application provides a kind of double-face rubberizing equipment of battery tab, since integrating double tiger mouth on take tape gas claw and stop gas claw, therefore can build double-way adhesive tape channel, and the relative position of double-knife gas claw and adhesive tape channel is controlled using perpendicularity correction slider, to accurately and efficiently realize double-face rubberizing process.

The embodiment of the utility model provides an intermediate pitch changing device and battery production equipment, and relates to the technical field of battery production equipment, and the intermediate pitch changing device comprises a support; and the picking assembly comprises a plurality of picking mechanisms connected with the support correspondingly, all the picking mechanisms can move in the first direction relative to the support, and each picking mechanism is used for independently picking workpieces. In the embodiment of the invention, when each picking mechanism picks up the workpieces on the previous conveying line, the distance between the picking mechanisms can be correspondingly adjusted so as to pick up the workpieces in batches, and during conveying, the workpieces are separated from one another by adjusting the distance between the picking mechanisms, so that the workpieces can be conveniently conveyed. And when the workpiece moves to the next conveying line, the distance between the picking mechanisms is changed, and the workpiece is placed on the next conveying line. Thus, the conveying interval in the workpiece conveying process is met, meanwhile, the workpieces can be picked up in batches, the feeding and discharging time is shortened, and therefore the production efficiency is improved.

The invention relates to the field of battery lamination machines, in particular to an automatic lamination machine for battery production. A lamination table is mounted on the base plate; a conveying frame for conveying diaphragms to the lamination table is mounted on the base plate; two mounting plates are movably arranged on the base plate; the two mounting plates are respectively distributed on two sides of the lamination table; each mounting plate is provided with a suction cup used for sucking a pole piece. First moving driving pieces are mounted on the two sides of the suction cup correspondingly; a first limiting plate is arranged at the driving end of each first moving driving piece and provided with an arc face. According to the invention, the diaphragm is firstly pressed down by using the cambered surface of the limiting plate I, the pole piece does not contact with the diaphragm in an inclined state, and when the diaphragm is gradually pressed down to a horizontal state by the cambered surface of the limiting plate I, the pole piece contacts and is placed on the diaphragm, so that the pole piece and the diaphragm do not extrude each other; and the diaphragm is not easy to damage when being pressed down by the cambered surface.

The utility model provides a battery cell surface mounting device. The battery cell surface mounting device comprises a bracket, a top plate, a rotary driving mechanism, a rotary plate and a carrying mechanism, the rotating plate is connected to the top plate, and the lower surface of the top plate is provided with a variable-pitch groove. And the carrying mechanism comprises a fixing seat, a first adsorption assembly, a second adsorption assembly and a pitch changing assembly, the fixing seat is connected to the rotating plate, the first adsorption assembly and the second adsorption assembly are both arranged on the fixing seat, and the top of the pitch changing assembly is located in the pitch changing groove and connected with the first adsorption assembly and the second adsorption assembly. The rotation driving mechanism drives the rotation plate to rotate, and the rotation path of the carrying mechanism is provided with a chip taking station and a chip mounting station. In the rotating process of the carrying mechanism, the variable-pitch assembly can drive the first adsorption assembly and the second adsorption assembly to slide towards the two sides to be separated or slide towards the middle to be close. The distance between the first adsorption assembly and the second adsorption assembly is adjusted, and it is ensured that the first adsorption assembly and the second adsorption assembly conduct synchronous mounting on the two spacers.

The invention relates to high-speed battery cell side face rubberizing equipment and a rubberizing method thereof, and belongs to the technical field of battery cell rubberizing. The high-speed battery cell side face rubberizing equipment comprises a feeding mechanism, a first-stage transfer mechanism, a second-stage transfer mechanism, a first tearing mechanism, a second tearing mechanism and a material taking mechanism; the first-stage transfer mechanism is matched with the feeding assembly to grab sizing materials, then the first tearing mechanism is matched with the first-stage transfer mechanism to tear off lower release paper, the second-stage transfer mechanism is matched with the first-stage transfer mechanism to transfer, and the second-stage transfer mechanism is matched with the first tearing mechanism to tear off upper release paper. Through the design of a hardware structure and the debugging setting of a PLC program, the action connection among a plurality of mechanisms is tight, the takt is compact, meanwhile, the overall structural layout of the equipment is ingenious, the tearing efficiency of the upper release paper and the lower release paper is greatly improved, the production takt of the whole production line is effectively improved, and the production efficiency of the whole production line is improved. And meanwhile, the tearing precision is effectively improved, and the sizing material feeding quality stability is improved.

The utility model relates to battery module production technical field discloses a kind of battery cell positioning tool, including mounting plate and positioning mechanism, mounting plate is opened and has the extension of the avoidance passage along the direction of battery cell conveying, avoidance passage is used to avoid transfer mechanism, transfer mechanism is used to support and transfer battery cell.Specifically, the process of the battery cell positioning tool adjustment for different models of battery cell is as follows, since the size of different models of battery cell is different, the position of first positioning assembly, second positioning assembly on mounting plate needs to be adjusted correspondingly.Two second positioning assemblies slide in width direction, and two first positioning assemblies slide in length direction, to adjust the position of second positioning assembly and first positioning assembly on mounting plate, to better adapt to battery cell of different sizes, facilitate subsequent processing of battery cell.The distance between two first positioning assemblies and two second positioning assemblies can be adjusted, which can adapt to battery cell of various sizes, and the versatility of the battery cell positioning tool is good.

The utility model discloses a kind of rubber sticking mechanism and its tablet machine, wherein, a kind of rubber sticking mechanism, including base, send glue module, turnover module, rubber sticking module and cutter module being set on base, send glue module includes rotatable glue feeding disc and the open glue over roller group for keeping the tension of glue paper being set in glue feeding disc front side, send glue module is used to clamp and transport the glue paper wound on glue feeding disc to turnover module, cutter module is used to cut off the glue paper between send glue module and turnover module, rubber sticking module pushes and presses the glue paper that turnover module is turned over upwards and sticks on the polar piece of tablet machine.A kind of tablet machine, tablet machine includes rubber sticking mechanism.The utility model can adapt to the glue paper of thickness above 10 microns, and glue paper sticks on polar piece and has good sticking effect, without bubble, not wrinkling.

The utility model provides a jig and a machining system. The jig comprises a base, a first bearing mechanism and a limiting mechanism. The first bearing mechanism and the limiting mechanism are arranged on the base. The first bearing mechanism is provided with a first bearing area and a second bearing area which are at least partially overlapped, the first bearing area is used for bearing sheets, and the second bearing area is used for bearing films; the limiting mechanism comprises a limiting piece, the limiting piece is configured to be movably arranged on the base between a first position and a second position, the first position is the position where the limiting piece corresponds to the second bearing area and is located above the second bearing area, and the second position is the position where the limiting piece and the second bearing area are staggered. According to the jig, the limiting piece is moved to the first position and the second position respectively, so that the limiting piece can limit the membrane material when the membrane material is placed on the second bearing area, the risk that the membrane material flies up to be curled or deviates from a sheet is reduced, the limiting piece can avoid the membrane material in the membrane material taking and placing process, and therefore taking and placing of the membrane material are not affected.

The utility model discloses battery core insulation sheet pasting equipment, which comprises a base, a conveying line, an insulation sheet pre-pasting device, an insulation sheet carrying device and a heating device, the conveying line is arranged on the base and is used for conveying battery cells in the conveying direction, and a preheating station, a pre-laminating station and a hot laminating station are arranged on the conveying line at intervals; the insulating sheet pre-laminating device is arranged on the base, is opposite to the pre-laminating station and is used for positioning the battery cell at the pre-laminating station; the insulating sheet carrying device is arranged on the base, is opposite to the pre-laminating station, and clamps an insulating sheet to be laminated on the top of the battery cell on the pre-laminating station; the number of the heating devices is two, and the two heating devices are arranged on the base, are opposite to the preheating station and the hot laminating station respectively, and are used for preheating the tops of the battery cells conveyed to the preheating station or heating insulating sheets which are conveyed to the hot laminating station and are pre-laminated at the tops of the battery cells, so that the viscidity between the insulating sheets and the battery cells is stronger, and the laminating property is better.

The invention provides a single battery, a battery pack and a manufacturing method of the single battery, the single battery comprises a naked battery cell and a switching piece, the naked battery cell comprises a tab stacking part, and the tab stacking part is formed by stacking a plurality of tabs along the stacking direction; the adapter plate is connected with the tab stacking part in a welding manner; tab stacking parts are welded on the surfaces of the two sides of the adapter plate in the stacking direction. According to the invention, the technical problem of poor welding quality stability between the tab and the adapter plate can be improved.

The utility model discloses a bearing tool, battery cell rubberizing equipment and a battery production line, and relates to the technical field of battery processing, the disclosed bearing tool comprises a base, a first bearing part and a second bearing part, the first bearing part is provided with a first bearing surface for bearing gummed paper, and the second bearing part is provided with a second bearing surface for bearing gummed paper; the stacking direction of the multiple pieces of gummed paper on the bearing tool is defined as the first direction, the first bearing part and the second bearing part are slidably connected with the base and can move relative to the base in the first direction, and the gummed paper can be stacked on the bearing tool by adjusting the relative positions of the first bearing face and the second bearing face in the first direction. The two pieces of gummed paper adsorbed by the suction mechanism can be fully bonded on the first bearing surface and the second bearing surface, so that the probability of material throwing failure caused by infirm bonding of the gummed paper on the bearing tool can be reduced, and the battery production efficiency is further improved.

The embodiment of the utility model provides a rubberizing device and a battery production system. The rubberizing device comprises a first rubberizing structure, a second rubberizing structure, a third rubberizing structure and a first driving part. The first rubberizing structure is provided with a first negative pressure hole which is used for adsorbing a rubber material. And the second rubberizing structure is provided with a second negative pressure hole which is used for adsorbing the rubber material. The third rubberizing structure is located between the first rubberizing structure and the second rubberizing structure and is configured to move in the first direction, and the corner, away from the second rubberizing structure, of the third rubberizing structure is provided with a curved surface bent outwards. The first driving part is connected to the third rubberizing structure and used for driving the third rubberizing structure to reciprocate in the second direction so that the curved surface can abut against the rubber material to the non-welded area of the tab, and the second direction intersects with the first direction. The quality of the electrode assembly can be improved.

The utility model discloses a film patting device and battery processing equipment. The film patting device comprises a film patting station and a film patting station, the jacking mechanism is located at the film beating station, and the jacking mechanism is configured to bear a workpiece; and the rod beating mechanism is located at the film beating station, the rod beating mechanism and the jacking mechanism are arranged in a spaced mode in the Z direction, the rod beating mechanism comprises a beating part, the beating part can move in the direction close to or away from the jacking mechanism in the Z direction, and the beating part is configured to beat a film of a workpiece. According to the technical scheme provided by the invention, the position between the battery and the diaphragm can be adjusted, so that the coating precision of the diaphragm on the battery is improved, and thermal shrinkage of the diaphragm in a subsequent process is facilitated.

The application relates to the field of batteries, and discloses a battery cell and a battery pack. The battery cell comprises a pole group, the pole group comprises a second pole piece, a first pole piece and a separation film, the first pole piece comprises a first current collector and a first active material layer, one of the first pole piece and the second pole piece is a positive pole piece, and the other is a negative pole piece; the first pole piece comprises a main body part and a thinned part, the thickness of the thinned part is smaller than that of the main body part, the thinned part is connected to one end of the main body part in the width direction of the first pole piece; the first active material layer located in the main body part is provided with a plurality of grooves, the plurality of grooves are arranged at intervals in the length direction of the first pole piece, and each groove extends in the width direction; in the thickness direction, the depth of the groove is D, the thickness of the first active material layer located in the main body part is T1, and 15%<=D / T1<=50% is satisfied. The application can improve the infiltration effect and improve the cycle performance.

The utility model relates to the technical field of batteries, and discloses a battery and a battery pack, the battery is provided with a first direction, the battery comprises a shell, a first protection sheet and an anti-explosion valve, the shell is provided with a first accommodating cavity, the shell comprises a first wall, the first wall is provided with an anti-explosion hole which extends along the first direction and is communicated with the first accommodating cavity, and the anti-explosion valve is arranged on the first wall. The explosion-proof hole is provided with a first protection piece and an explosion-proof valve, the first protection piece is attached to the side, facing the first containing cavity, of the first wall and covers the explosion-proof hole, the explosion-proof valve is arranged in the explosion-proof hole and covers the explosion-proof hole, and the first protection piece and the explosion-proof hole are oppositely arranged in the first direction. The explosion-proof valve divides the explosion-proof hole into a first hole section close to the first containing cavity and a second hole section away from the first containing cavity, and a pressure guiding structure communicating the first containing cavity with the first hole section is arranged on the first wall and / or the first protection sheet. The first protection sheet can play a role in protecting the anti-explosion valve, and the pressure guiding structure can prevent the first protection sheet from affecting timely breakage of the anti-explosion valve.

The utility model relates to the field of battery cell position adjustment, in particular to a positioning device, which is characterized in that a movable plate is arranged on a positioning plate, the movable plate is provided with an end part extending to the surface of a working table, and the end part is in sliding connection with the working table; a positioning area for restraining a battery cell is formed between a positioning convex part arranged on the positioning plate and the side surface of the movable plate, a plurality of movable positioning parts are arranged in the positioning area, and the positioning area is divided into a plurality of clamping positions; according to the utility model, a plurality of clamping positions for positioning the battery cells are arranged in advance, the positioning convex parts and the movable plates apply pressure to the side surfaces of the battery cells along the length direction, so that the positions of the battery cells are adjusted to a certain degree towards a preset position and direction, and the positioning parts apply pressure to the side surfaces of the battery cells along the width direction in the positioning area; and finally, a plurality of battery cells are positioned at the pre-positioned positions, and the positioned battery cells are placed on the battery cell jig in combination with the transfer mechanism, so that the positioning of the plurality of adjacent battery cells at a short distance is realized.

The present disclosure discloses an adhesive tape applying device, an adhesive tape applying method and a battery production line. The adhesive tape applying device is used for applying an adhesive tape to a workpiece. The adhesive tape applying device includes: an adhesive tape applying mechanism, including an adhesive tape sucking head for sucking the adhesive tape; and a shaping mechanism, including a shaping assembly, the shaping assembly including a first shaping piece and a second shaping piece which are arranged at an interval, and an interval space between the first shaping piece and the second shaping piece forming a shaping channel. The adhesive tape sucking head is configured as follows: the adhesive tape sucking head can pass through the shaping channel and enable one end portion of two end portions of the adhesive tape to be in contact with the first shaping piece and pass through a gap between the adhesive tape sucking head located in the shaping channel and the first shaping piece and the other end portion of the two end portions of the adhesive tape to be in contact with the second shaping piece and pass through a gap between the adhesive tape sucking head located in the shaping channel and the second shaping piece, so that the two end portions of the adhesive tape are bent, and the adhesive tape passing through the shaping channel is applied to the workpiece.

The invention relates to a battery cell grouping device, equipment and an assembling method, and the battery cell grouping device comprises a horizontal conveying mechanism which conveys a single battery cell along a first horizontal direction; the shifting mechanism is arranged at the feeding end of the horizontal conveying mechanism; the shifting mechanism comprises a hooking mechanism arranged on one side of the horizontal conveying mechanism, a remodeling mechanism arranged at the bottom of the horizontal conveying mechanism, a movable plate arranged on the other side of the horizontal conveying mechanism and connected with a movable part of the remodeling mechanism, a pushing mechanism arranged on the movable plate and a pressing mechanism arranged on the movable plate; wherein the hooking mechanism pushes the battery cell to move towards the outer side of the horizontal conveying mechanism and close to the pushing mechanism; the pushing mechanism pushes the battery cell to the hooking mechanism; the hooking mechanism hooks the battery cell and pushes the battery cell to be close to the pressing mechanism; and the pressing mechanism presses the battery cell. The device can be quickly adapted to battery cells with different sizes, and the production line remodeling time is shortened.

The utility model relates to the technical field of batteries, and particularly provides battery cell winding equipment. The battery cell winding equipment comprises a winding needle, a heating roller and a heating piece, the winding needle is used for winding and forming a pole piece, and the heating roller can rotate around the axis of the heating roller and is used for conveying the pole piece to the winding needle; the heating part comprises a heating part, the heating part is fixed on the heating roller, the heating part and the heating roller are oppositely arranged, and the heating part is used for heating the pole piece passing through the heating roller. According to the battery cell winding equipment provided by the invention, the pole piece in the unwinding and conveying process is heated within a proper temperature range, so that a binder in an active material layer coated on a current collector is uniformly softened, the fitting degree of the pole piece and a diaphragm is improved, the pole piece is prevented from being deformed or damaged, the problem of loose form of a battery cell is solved, and the service life of the battery cell is prolonged. And the capacity, the safety and the service life of the finished battery are prevented from being influenced.

The utility model relates to the technical field of paper winding machines, and provides an online paper winding machine for a zinc-manganese battery cathode, which comprises a main body assembly and a paper winding machine, the fixing frame is installed at the top end of the supporting frame, and the auxiliary paper winding roller is installed on the inner side of the fixing frame. The replacement assembly comprises a battery box, a driving motor, a cover plate, a spring plate and a clamping rod; the battery box is fixedly connected to the outer side of the fixing frame, the driving motor is installed above the battery box, the cover plate is slidably connected to the top end of the battery box, the spring plates are rotatably connected to the two sides of the inner wall of the battery box, and the clamping rods are fixedly connected to the two sides of the rear end of the cover plate. According to the utility model, the replacement assembly is arranged, and the driving motor and the zinc-manganese battery body are matched in an auxiliary manner, so that the battery bin can be driven to tilt and turn over while the cover plate is pulled out, a worker can be assisted in digging out and replacing the zinc-manganese battery body, and the effect of convenient replacement is achieved.

The utility model discloses an ejection device and battery production equipment. The ejection device comprises a base, an ejection assembly, an adsorption assembly and a driving assembly, the ejection assembly comprises a first ejection rod, and the first ejection rod is arranged on the base in a sliding mode; the adsorption assembly comprises an adsorption piece, the adsorption piece is arranged on the base in a sliding mode, and the adsorption piece is located on one side of the first ejector rod; the driving assembly is in transmission connection with the first ejector rod and the adsorption part, and the driving assembly can drive the first ejector rod and the adsorption part to move along the base. The first ejector rod can eject out the workpiece, the adsorption part can adsorb the workpiece, the driving assembly drives the first ejector rod and the adsorption part to move along the base, and therefore relative sliding generated when the workpiece and the adsorption part are tightly attached can be reduced, and damage to the workpiece is reduced.

The utility model relates to the technical field of welding clamps, in particular to a battery clamp which comprises a limiting shell and an elastic connecting piece, the limiting shell is connected through the elastic connecting piece, clamping force is provided for the limiting shell, due to the buffering characteristic of the elastic connecting piece, even clamping force is provided for a battery shell in a flexible clamping mode, and therefore the clamping force of the battery shell is improved. The clamping force is provided by the elastic connecting piece, deformation of the shell caused by overlarge local pressure is avoided, the problems that in a traditional rigid clamping mode, the clamping force is not uniform, and the shell is prone to deformation are effectively solved, the clamping force is provided by the elastic connecting piece, and a device for providing the clamping force does not need to be additionally arranged, so that the clamp is simpler in structure, fewer in parts, easier to maintain, smaller in size and more flexible to use.

The utility model relates to a single-drive high-pressure vacuum packaging mechanism which comprises a fixing assembly, a jacking driving mechanism arranged at the bottom of the fixing assembly, a movable pressing plate assembly arranged at the top of the jacking driving mechanism and an upper sealing head assembly arranged at the top of the fixing assembly. And the jacking driving mechanism drives the movable pressing plate assembly to rise to package the battery pack. According to the utility model, the lower cavity and the upper cavity can be controlled to be closed by only utilizing one lower cavity lifting driving device, meanwhile, the lower pressing plate presses the battery cell to the upper pressing plate to exhaust air, and the battery cell is packaged by the lower sealing head and the upper sealing head, so that the battery cell packaging device has the advantages of simple equipment structure, high packaging efficiency, low production cost and high operation efficiency, and is suitable for popularization and application. The problem that battery packaging is not ideal due to the fact that the battery is packaged in a traditional state without vacuum is solved, and the problems that the vacuum packaging structure in the market adopts two power devices to conduct vacuum cavity closing and press-fit packaging respectively, and consequently the equipment structure is complex, the packaging efficiency is low and the cost is high are solved.

Alkaline electrochemical cells are provided, wherein methods to decrease or eliminate shorting in batteries by preventing zinc oxide reaction precipitate from creating a conductive bridge between the two electrodes. The alkaline electrochemical cell comprising dissolved zinc oxide or zinc hydroxide in at least the electrolyte solution, and / or solid zinc oxide particles or zinc hydroxide in the anode, a silicon donor in the anode, and / or a bilayer separator optimally comprising a high-density layer and a low-density layer.

The utility model relates to the technical field of spot welding machines, and discloses a battery pole piece automatic spot welding machine which comprises an electric welding machine shell, a bearing plate is fixedly connected to the inner wall of the electric welding machine shell, a fixing assembly is arranged at the top of the bearing plate, a sliding rail operation table is fixedly connected to the outer wall of the bearing plate, and an absorption assembly is arranged on the outer wall of the sliding rail operation table. The fixing assembly comprises two second clamping plates, the bottom of one second clamping plate is fixedly connected to the top of the bearing plate, the bottom of the other second clamping plate is attached to the top of the bearing plate, a sliding plate is slidably connected to the interior of each second clamping plate, and a first clamping plate is fixedly connected to the top of each sliding plate; a connecting plate is fixed to one side of each second clamping plate. The height of the first clamping plate is adjusted through sliding of the sliding plate in the second clamping plate, the height of the first clamping plate is fixed through clamping of the clamping column and the interior of the sliding plate, the purpose of adjusting the height of a clamping component is achieved, and the applicability of equipment is enhanced.

The application provides an electric core winding machine and an electric core production line. The electric core winding machine comprises a first station, a second station, a third station and an insulation detector arranged close to the second station in sequence. The first station comprises a winding device, which is used for winding an electrode piece and a diaphragm to form an initial electric core. The second station comprises a pasting device, which is used for pasting and fixing the initial electric core. The insulation detector is used for performing insulation detection on the initial electric core to obtain an electric core. The third station comprises a transfer device. In the case that the initial electric core is short-circuited, the transfer device is used for transferring the electric core to a placement area. In the case that the electric core is not short-circuited, the transfer device is used for transferring the electric core to a next process. The scheme realizes the insulation detection on the electric core immediately after the winding process is completed, avoids the situation that all products in the same batch are short-circuited, improves the material utilization and the production yield, and reduces the production cost.

The utility model discloses a hot-pressing feeding device and equipment, and relates to the field of battery cell production, the hot-pressing feeding device comprises a transfer module, a carrying frame, a hot-pressing plate, a supporting piece and a jacking structure, the carrying frame is arranged on the moving end of the transfer module, the transfer module is used for driving the carrying frame to move, the hot-pressing plate is fixedly mounted on the carrying frame, and the supporting piece is used for supporting the hot-pressing plate. The supporting piece is located in the hot-pressing direction of the hot-pressing plate, and the jacking structure is arranged on the carrying frame and used for driving the supporting piece to move away from the hot-pressing plate. The battery cell is supported by the supporting piece, and then the supporting piece is driven by the jacking structure to move in the direction away from the hot pressing plate, so that a space for the clamping jaw to be pulled away is formed between the hot pressing plate and the supporting piece, the battery cell can be placed or taken out, and the clamping jaw is not in contact with the surface of the hot pressing plate during placing and taking out; therefore, the clamping jaw or the hot pressboard is prevented from being damaged.

The utility model discloses a cell module detection device, which belongs to the field of batteries, and is characterized in that an X-direction driving part is in transmission connection with a Y-direction driving part, the Y-direction driving part is in transmission connection with a Z-direction driving part, a connecting plate is mounted on the Z-direction driving part, and a first camera assembly is fixed at the top of the connecting plate; the light supplementing assembly is fixed to the connecting plate and located under the first camera body, a third mounting plate of the second camera assembly is fixed to the connecting plate, a fourth mounting plate is rotationally connected with the third mounting plate through a mounting hole, and the second camera body is fixed to the fourth mounting plate. The third mounting plate and the arc groove are locked at different positions to adjust the mounting angle of the second camera body so as to facilitate inclined arrangement, through the above design, the battery cell module can complete addressing and polarity detection at one time, and through the inclined arrangement of the second camera body, the detection accuracy is improved. The first camera body and the second camera body can collect images of the battery cell modules at the same position at the same time.

The invention provides an isostatic pressing film, a battery monomer, a preparation method, a battery device and a power utilization device. The isostatic pressing film comprises a first layer and a second layer, the first layer comprises a first surface and a second surface which are opposite to each other in the thickness direction of the first layer, and the flatness of the first surface is 0.001 mm to 0.1 mm; the second layer and the first layer are oppositely arranged in the thickness direction and are connected to the second surface. The isostatic pressing film is small in flatness and smooth in surface.