CN218568939U - Composite battery winding all-in-one machine - Google Patents

Abstract

The utility model discloses a composite battery coiling all-in-one, unreel the unit including first diaphragm, the negative pole unreels the unit, the second diaphragm unreels the unit, compound unit, anodal unit and the unit of unreeling, first diaphragm unreels the unit, the negative pole unreels the unit, the second diaphragm unreels the unit and is connected with the unit of reeling through compound unit, anodal unit and the unit of reeling of unreeling are connected, first diaphragm unreels the unit, the negative pole unreels the unit, the second diaphragm unreels the unit and passes through compound unit with first diaphragm, negative pole piece and the compound piece of second diaphragm complex formation, the rethread is coiled the unit and is convoluteed compound piece and positive pole piece into electric core. The utility model discloses a compound earlier with two-layer diaphragm and negative pole piece, the mode of formation electric core is convoluteed with positive pole piece again, can strengthen the rigidity of negative pole piece to combine CCD to carry out real-time detection to the positive and negative of pole piece, can ensure that negative pole piece convolutes and does not crumple, with guaranteeing that electric core turning does not fall the powder, with guaranteeing that the negative pole head does not play the book, promote the production yield.

Description

Composite battery winding all-in-one machine

Technical Field

The utility model relates to a technical field is made to electric core, concretely relates to composite battery coils all-in-one.

Background

The electric core is generally formed by sequentially winding a first layer of diaphragm, a negative pole piece, a second diaphragm and a positive pole piece, the winding needs to be completed through a winding machine, the existing winding machine is a mode that four materials are gathered together through a plurality of rollers, the mode has the defects of difficult tension control and poor deviation correction alignment degree, and because the rigidity of the negative pole piece is not enough, a series of problems such as wrinkles are easily generated during winding, the quality of an electric core product is poor, and the consistency of the product is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a composite battery coils all-in-one.

The technical scheme of the utility model as follows:

the utility model provides a composite battery coiling all-in-one, includes that first diaphragm unreels the unit, negative pole unreels the unit, the second diaphragm unreels the unit, compound unit, positive pole unreels unit and coiling unit, first diaphragm unreels the unit, negative pole unreels the unit, the second diaphragm unreels the unit and passes through compound unit and coiling unit connection, negative pole unreels the mechanism, negative pole piece brush dust removal mechanism, decides rubberizing mechanism, first negative pole piece drive mechanism, rubberizing buffer memory mechanism, negative pole piece mechanism, second negative pole piece drive mechanism, negative pole piece tension control mechanism and negative pole piece length measuring device that the negative pole unreeled the unit and set gradually along the tape transport direction, positive pole unreel the unit and be connected with the coiling unit, positive pole unreel the unit and include positive pole piece unreel the mechanism, positive pole piece brush dust removal mechanism, positive pole unreel buffer memory mechanism, first positive pole piece drive mechanism, positive pole piece tension control mechanism, positive pole piece length measuring device, second positive pole piece and feeding mechanism that set gradually along the tape transport direction, first positive pole piece unreels the unit, negative pole piece, the negative pole piece unreels the unit and coil the compound piece and coil positive pole piece and the negative pole piece and pass through compound piece with the negative pole piece.

Further, compound unit includes preheating unit, compound subassembly, the front CCD detection device that crumples, the back CCD detection device that crumples, compound caching mechanism, compound piece drive mechanism, compound piece tension control mechanism, compound piece mechanism and the compound piece length measuring device of rectifying that set gradually along the tape transport direction, preheat the material before the subassembly carries out the complex, compound subassembly carries out the compound action of first diaphragm, negative pole piece and second diaphragm, the front CCD detection device that crumples uses the line to sweep the camera and carries out real-time detection to the front of compound piece, the back is crumpled CCD detection device and is used the line to sweep the camera and carry out real-time detection to the back of compound piece, compound caching mechanism carries out the combined material storage, compound piece drive mechanism carries out the compound piece traction before coiling, compound piece tension control mechanism carries out the winding tension control of compound piece, the mechanism of rectifying rectifies and rectifies before the compound piece is coiled, compound piece length measuring device carries out the length measuring before coiling.

Further, the winding unit includes that winder, compound piece are supplementary to rectify mechanism, anodal supplementary mechanism, diaphragm cutting mechanism, the rubberizing mechanism of ending and unloading mechanism of rectifying, the winder sets up for rotating, the winder is equipped with winding station, the rubberizing station of ending and unloading station along the direction of rotation in proper order, compound piece is supplementary to rectify the mechanism and sets up between compound unit and winding station, anodal supplementary mechanism of rectifying sets up between anodal unwinding unit and winding station, diaphragm cutting mechanism sets up and corresponds the winding station in one side of winder, the rubberizing mechanism of ending sets up and corresponds the rubberizing station of ending in one side of winder, unloading mechanism sets up and corresponds the unloading station in one side of winder.

Further, diaphragm cutting mechanism includes that laser instrument, laser instrument adjust the module, goes up the compression roller and stretches out the cylinder, lower compression roller and stretch out sharp module, it stretches out cylinder, laser instrument adjust the module, lower compression roller and stretches out sharp module from last down and down set gradually to go up the compression roller, and the output all faces the coiling station, it stretches out the output of cylinder with last compression roller and is connected to go up the compression roller, the laser instrument is connected with the output of laser instrument adjust the module, the compression roller is connected with the output that lower compression roller stretched out sharp module.

Furthermore, unloading mechanism includes unloading clamp, unloading belt line and electric core pre-compaction device that sets gradually along the unloading direction.

Furthermore, the first membrane unreeling unit comprises a first membrane unreeling mechanism, a first membrane tension control mechanism and a first membrane length measuring device which are sequentially arranged along the tape transport direction.

Furthermore, the second membrane unreeling unit comprises a second membrane unreeling mechanism and a second membrane tension control mechanism which are sequentially arranged along the tape transport direction.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model adopts the mode of firstly compounding two layers of diaphragms with a negative pole piece and then coiling the two layers of diaphragms with the positive pole piece to form an electric core, the two layers of diaphragms and the negative pole piece are firstly compounded, the rigidity of the negative pole piece can be enhanced, and the positive and negative sides of the negative pole piece are subjected to real-time detection (composite crumpling detection or adhesive crumpling detection) by combining a CCD (charge coupled device), so that the winding of the negative pole piece can be ensured not to be crumpled, the turning of the electric core is ensured not to fall powder, the coiling of the head part of the negative pole is ensured not to be started, the production yield is improved, the defective piece can be ensured to be coiled and removed independently, materials can be saved, and the defective piece is ensured not to enter a normal electric core;

2. the negative pole piece is compounded after cutting and rubberizing, (1) the continuity of the negative pole piece during compounding can be ensured, frequent acceleration and deceleration are not needed, the compounding efficiency is improved, (2) the rubberizing of the cut opening of the negative pole piece can ensure that burrs of the negative pole piece at the cutting position cannot pierce through a diaphragm, the safety of a battery core is improved, and (3) the tension of the negative pole piece can be increased before compounding, so that the negative pole piece is prevented from being wrinkled;

3. the two layers of diaphragms are preheated before being compounded with the negative pole piece, so that the diaphragms are preheated in advance, the compounding effect can be optimized, and the compounding line speed can be increased;

4. after the composite sheet CCD is detected, closed-loop correction is carried out through a composite sheet auxiliary correction mechanism, so that the alignment degree of the composite sheet can be well ensured;

5. the winding unit is used for pasting glue on the winding needle and pasting the diaphragm on the gummed paper adsorbed by the winding needle for winding by using a non-clamping needle blanking mode (clamping jaw blanking), so that the diaphragm does not pass through the center of the winding needle to realize non-stop winding, the blanking time and the auxiliary time can be saved, and the winding efficiency is improved;

6. cutting by a diaphragm cutting mechanism after winding, (1) the diaphragm cutting mechanism can realize the function of diaphragm cutting after tracing, (2) the head part of the diaphragm is pressed by an upper press roller and a lower press roller during cutting after tracing, follow the book needle and convolute, realize convoluteing no diaphragm and press from both sides the needle and rise the book, (3) laser cutting mode, the dust is few, (4) the adhesive tape cuts off and can not appear melting the limit problem, can guarantee electric core quality.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural view of a composite battery winding integrated machine provided by the present invention;

fig. 2 is a process flow diagram of the composite battery winding integrated machine provided by the present invention;

fig. 3 is the utility model provides a pair of electric core of composite battery coiling all-in-one is convoluteed and laser cutting part schematic structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical solution of the present invention, the following description is made by using specific examples.

Examples

Referring to fig. 1 and 2, the embodiment provides a composite battery winding all-in-one machine, which includes a first diaphragm unwinding unit, a negative electrode unwinding unit, a second diaphragm unwinding unit, a composite unit, a positive electrode unwinding unit and a winding unit, wherein the first diaphragm unwinding unit, the negative electrode unwinding unit and the second diaphragm unwinding unit are connected to the winding unit through the composite unit, the positive electrode unwinding unit is connected to the winding unit, the first diaphragm unwinding unit, the negative electrode unwinding unit and the second diaphragm unwinding unit combine the first diaphragm, the negative electrode sheet and the second diaphragm through the composite unit to form a composite sheet, and the composite sheet and the positive electrode sheet are wound into a battery cell through the winding unit.

Specifically, the first membrane unwinding unit comprises a first membrane unwinding mechanism 11, a first membrane tension control mechanism 12 and a first membrane length measuring device 13 which are sequentially arranged along the tape running direction. The first diaphragm tension control mechanism 12 controls the winding tension of the first diaphragm; the first diaphragm length measuring device 13 measures the length of the first diaphragm before compounding.

Specifically, the negative pole unreeling unit comprises a negative pole unreeling mechanism 20, a negative pole unreeling caching mechanism 21, a negative pole piece brush dust removal mechanism 22, a cutting rubberizing mechanism 23, a first negative pole piece traction mechanism 24, a rubberizing caching mechanism 25, a negative pole piece deviation rectifying mechanism 26, a second negative pole piece traction mechanism 27, a negative pole piece tension control mechanism 28 and a negative pole piece length measuring device 29 which are sequentially arranged along the tape transport direction. The negative pole pieces are cut and rubberized (single-sided or double-sided) before compounding through the cutting and rubberizing mechanism 23, (1) the continuity of the negative pole pieces during compounding is ensured, the compounding is not stopped due to the fact that the negative pole needs to be cut during compounding, and the compounding efficiency is improved, (2) the rubberizing can be carried out at the cutting position to ensure that fracture burrs do not leak and pierce through a diaphragm, so that the quality of a subsequent finished product battery core is influenced, (3) the normal operation of a subsequent winding process is ensured, and a certain diaphragm with a certain length exists between the two negative pole pieces; as the cutting rubberizing is asynchronous with the compounding time, the storage of the negative pole piece needs to be carried out through the rubberizing caching mechanism 25; the first negative pole piece traction mechanism 24 is used for carrying out pole piece traction for cutting and rubberizing, and the position precision of the negative pole piece cutting and rubberizing in the tape feeding direction is guaranteed; the negative pole piece deviation rectifying mechanism 26 rectifies deviation before compounding, and can ensure the position precision of compounding the negative pole piece and the diaphragm; the second negative pole piece traction mechanism 27 performs pole piece traction before compounding, and ensures the position precision of the negative pole piece in the tape transport direction during compounding; the negative pole piece tension control mechanism 28 controls the winding tension of the negative pole piece so as to ensure the quality of the pole piece and the diaphragm during winding; the negative electrode plate length measuring device 29 measures the length of the electrode plate before compounding, and ensures the position of the electrode plate in the tape transport direction during compounding.

Specifically, the second diaphragm unwinding unit includes a second diaphragm unwinding mechanism 31 and a second diaphragm tension control mechanism 32, which are sequentially disposed along the tape transport direction. The second diaphragm tension control mechanism 32 controls the winding tension of the second diaphragm.

Specifically, the composite unit comprises a preheating assembly 41, a composite assembly 42, a front-face crumpling CCD detection device 43, a back-face crumpling CCD detection device 44, a composite caching mechanism 45, a composite sheet traction mechanism 46, a composite sheet tension control mechanism 47, a composite sheet deviation correction mechanism 48 and a composite sheet length measuring device 49 which are sequentially arranged along the tape transport direction. Preheating the material before the preheating assembly 41 is compounded; the composite component 42 performs a composite action (continuous composite or intermittent composite) of the first diaphragm, the negative pole piece and the second diaphragm, so as to ensure that the negative pole composite is adhered on the diaphragm without falling off, arching and bubble, the negative pole supplied material comprises continuous plain foil, negative pole gap coating (continuous middle plain foil) and negative pole continuous coating, and because the two diaphragms and the negative pole are combined together, (1) the negative pole supplied material is continuous plain foil or gap coating and can be continuously compounded without cutting and rubberizing, when winding is completed, cutting is performed by laser cutting (two diaphragms and plain foil are cut off), (2) the negative pole supplied material is continuous coating, continuous compounding is performed after cutting and rubberizing is performed, and cutting can be performed by laser cutting or conventional hot cutting (two diaphragms and gummed paper are cut off); the front-surface wrinkling CCD detecting device 43 uses a line-scanning camera to detect the front surface of the composite sheet in real time, the back-surface wrinkling CCD detecting device 44 uses a line-scanning camera to detect the back surface of the composite sheet in real time, whether wrinkling exists in the composite and post-composite adhesive tape is ensured, and the wrinkling is fed back to the PLC for subsequent independent winding and removal; because the linear speeds of the composite assembly 42 and the winding part are asynchronous, composite material storage is required to be carried out through the composite cache mechanism 45; the composite sheet traction mechanism 46 is used for dragging the composite sheet before winding, so that the position precision of the composite sheet in the winding direction is ensured; the composite sheet tension control mechanism 47 controls the winding tension of the composite sheet; the composite sheet deviation rectifying mechanism 48 rectifies the deviation of the composite sheet before the composite sheet is wound; the composite sheet length measuring device 49 measures the length of the composite sheet before winding.

Specifically, the positive electrode unwinding unit includes a positive electrode unwinding mechanism 51, a positive electrode brush dust removal mechanism 52, a positive electrode unwinding buffer mechanism 53, a first positive electrode deviation correcting mechanism 54, a positive electrode traction mechanism 55, a positive electrode tension control mechanism 56, a positive electrode length measuring device 57, a second positive electrode deviation correcting mechanism 58, and a positive electrode feeding mechanism 59, which are sequentially arranged along the tape transport direction.

Specifically, the winding unit includes a winding head 61, a composite sheet auxiliary deviation correcting mechanism 62, an anode auxiliary deviation correcting mechanism 63, a diaphragm cutting mechanism 64, a tail-ending rubberizing mechanism 65 and a blanking mechanism, the winding head 61 is rotatably arranged, the winding head 61 is sequentially provided with a winding station 611, a tail-ending rubberizing station 612 and a blanking station 613 along a rotating direction, the composite sheet auxiliary deviation correcting mechanism 62 is arranged between the composite unit and the winding station 611, the anode auxiliary deviation correcting mechanism 63 is arranged between the anode unwinding unit and the winding station 611, the diaphragm cutting mechanism 64 is arranged on one side of the winding head 61 corresponding to the winding station 611, the tail-ending rubberizing mechanism 65 is arranged on one side of the winding head 61 corresponding to the tail-ending rubberizing station 612, and the blanking mechanism is arranged on one side of the winding head 61 corresponding to the blanking station 613. The compound sheet auxiliary deviation rectifying mechanism 62 carries out closed-loop feedback deviation rectifying after detecting the position of the compound sheet in real time by using a line scanning camera, so as to ensure the alignment degree of the compound sheet before rolling; the positive electrode auxiliary deviation rectifying mechanism 63 drives the positive electrode sheet main driving-in sheet by using four rollers, so that the precision of the positive electrode main driving-in sheet is ensured, and the alignment degree of the positive electrode sheet before rolling is ensured by detecting the position of the positive electrode sheet in real time and rectifying deviation through the alignment degree detection device 66 on one side; referring to fig. 3, the diaphragm cutting mechanism 64 includes a laser 641, a laser adjustment module 642, an upper press roller 643, an upper press roller extending cylinder 644, a lower press roller 645, and a lower press roller extending linear module 646, wherein the upper press roller extending cylinder 644, the laser adjustment module 642, and the lower press roller extending linear module 646 are sequentially arranged from top to bottom, output ends of the upper press roller extending cylinder 644, the laser adjustment module 642, and the lower press roller extending linear module 646 all face the winding station 611, the upper press roller 643 is connected with the output end of the upper press roller extending cylinder 644, the laser 641 is connected with the output end of the laser adjustment module 642, the lower press roller 645 is connected with the output end of the lower press roller extending linear module 646, and when performing laser cutting, a roll material is pressed by the upper press roller 643 and the lower press roller 645; the ending and gluing mechanism 65 sticks the gummed paper on the winding needle, and the diaphragm is stuck after the station is changed to the winding position, so that the diaphragm can be adsorbed on the winding needle; the blanking mechanism comprises a blanking clamp 67, a blanking belt line 68 and a battery cell prepressing device 69 which are sequentially arranged along the blanking direction, and during blanking, the battery cell is taken out by using the blanking clamp 67 and prepressing, shaping and transferring are performed, so that the action of a blanking clamp needle is saved, and the efficiency of the whole machine is improved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims (7)

1. The utility model provides a compound battery coils all-in-one which characterized in that: the cathode unwinding unit comprises a cathode unwinding mechanism, a cathode unwinding caching mechanism, a cathode brush dust removal mechanism, a cutting rubberizing mechanism, a first cathode sheet traction mechanism, a rubberizing caching mechanism, a cathode sheet deviation correction mechanism, a second cathode sheet traction mechanism, a cathode sheet tension control mechanism and a cathode sheet length measuring device, the cathode unwinding mechanism, the cutting rubberizing mechanism, the first cathode sheet traction mechanism, the rubberizing caching mechanism, the cathode sheet deviation correction mechanism, the second cathode sheet traction mechanism, the cathode sheet tension control mechanism and the cathode sheet length measuring device are sequentially arranged along a belt direction, the cathode unwinding unit is connected with the winding unit, the cathode unwinding unit comprises a cathode unwinding mechanism, an anode brush sheet dust removal mechanism, a cathode unwinding caching mechanism, a first anode sheet traction mechanism, an anode sheet tension control mechanism, a cathode sheet length measuring device, a second anode sheet tension control mechanism and a feeding mechanism, and the first cathode sheet unwinding unit, the second cathode sheet unwinding unit and the second diaphragm unwinding unit form a composite sheet by winding the cathode sheet and the cathode sheet through the composite diaphragm unwinding unit and the composite sheet winding unit.

2. The compound battery winding all-in-one machine of claim 1, characterized in that: the composite unit comprises a preheating assembly, a composite assembly, a front wrinkle-removing CCD detection device, a back wrinkle-removing CCD detection device, a composite caching mechanism, a composite piece traction mechanism, a composite piece tension control mechanism, a composite piece deviation-correcting mechanism and a composite piece length measuring device which are sequentially arranged along the tape traveling direction, the material is preheated before the preheating assembly is compounded, the composite assembly performs composite action of a first diaphragm, a negative pole piece and a second diaphragm, the front wrinkle-removing CCD detection device performs real-time detection on the front of the composite piece by using a line scanning camera, the back wrinkle-removing CCD detection device performs real-time detection on the back of the composite piece by using a line scanning camera, the composite caching mechanism performs composite material traction on the composite piece before storing, the composite piece tension control mechanism performs composite piece winding tension control, the composite piece tension control mechanism performs deviation correction on the composite piece before deviation winding, and the length measuring device performs length measurement before winding.

3. The compound battery winding all-in-one machine according to claim 1, characterized in that: the winding unit includes that winder, compound piece are supplementary to rectify mechanism, anodal supplementary mechanism, diaphragm cutting mechanism, the rubberizing mechanism of ending and unloading mechanism of rectifying, the winder sets up for rotating, the winder is equipped with winding station, ending rubberizing station and unloading station along the direction of rotation in proper order, compound piece is supplementary to rectify the mechanism and sets up between compound unit and winding station, anodal supplementary mechanism of rectifying sets up at anodal unreeling between unit and the winding station, diaphragm cutting mechanism sets up and corresponds the winding station in one side of winder, the rubberizing mechanism of ending sets up and corresponds the rubberizing station of ending in one side of winder, unloading mechanism sets up and corresponds the unloading station in one side of winder.

4. The composite battery winding all-in-one machine according to claim 3, characterized in that: diaphragm cutting mechanism includes laser instrument, laser instrument adjustment module, goes up the compression roller and stretches out the cylinder, lower compression roller and stretch out sharp module, go up compression roller stretch out cylinder, laser instrument adjustment module, lower compression roller stretch out sharp module from last down set gradually, and the output all towards the station of convoluteing, it stretches out the output of cylinder with last compression roller and is connected to go up the compression roller, the laser instrument is connected with the output of laser instrument adjustment module, the compression roller is connected with the output that lower compression roller stretches out sharp module down.

5. The compound battery winding all-in-one machine according to claim 3, characterized in that: the blanking mechanism comprises a blanking clamp, a blanking belt line and a battery cell pre-pressing device which are sequentially arranged along the blanking direction.

6. The compound battery winding all-in-one machine according to claim 1, characterized in that: the first diaphragm unwinding unit comprises a first diaphragm unwinding mechanism, a first diaphragm tension control mechanism and a first diaphragm length measuring device which are sequentially arranged along the tape running direction.

7. The compound battery winding all-in-one machine of claim 1, characterized in that: the second diaphragm unwinding unit comprises a second diaphragm unwinding mechanism and a second diaphragm tension control mechanism which are sequentially arranged along the tape running direction.

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