CN-121983675-A - Battery cell lamination equipment

CN121983675ACN 121983675 ACN121983675 ACN 121983675ACN-121983675-A

Abstract

The invention discloses electric core lamination equipment which comprises a machine body, a lamination device, a first correction device, a second correction device, two image acquisition assemblies, a first linear module, a second linear module and a first rack, wherein a plurality of first jacking mechanisms with first pole piece material boxes are arranged around the first linear module, the second linear module is provided with the second correction device, a second jacking mechanism with second pole piece material boxes and a third linear module which is transversely arranged and provided with a second clamp, the first support is provided with a fourth linear module, and the fourth module is sequentially provided with a first grabbing mechanism, a fourth grabbing mechanism, a cutting mechanism and a diaphragm feeding mechanism. According to the invention, compatibility of the first pole piece materials and the second pole piece materials with different specifications is realized, the lamination precision is ensured through the correction of the first correction device and the second correction device, the synchronous grabbing and stacking action of the pole piece materials is realized through the fourth module, and the production efficiency and quality of the battery cell lamination are improved.

Inventors

WU YINGCHUN
LI XUDONG
LIU SHIXING

Assignees

广东中合智能设备有限公司

Dates

Publication Date: 20260505
Application Date: 20260210

Claims (10)

1. A cell lamination apparatus, comprising: the battery cell lamination machine comprises a machine body, wherein a workbench is arranged on the machine body, a lamination device for assembling battery cells is arranged on the workbench, and a first correction device and a second correction device for correcting a first pole piece material and a second pole piece material are respectively arranged beside two sides of the lamination device; the first linear module is arranged beside the first correcting device on the workbench in a longitudinal mode and is provided with a first clamp for taking materials of the first pole piece; The first jacking mechanisms are respectively arranged beside the other side of the first linear module and at two ends of the first linear module, and each first jacking mechanism is provided with a first pole piece material box for stacking and placing a plurality of first pole piece materials; The second linear module is arranged beside the lamination device of the workbench in a longitudinal mode, a second platform which moves back and forth along the second linear module is arranged on the second linear module, and the second correction device is arranged on the second platform; The second jacking mechanism is arranged beside the second correction device on the second platform, and is provided with a second pole piece material box for stacking and placing a plurality of second pole piece materials; a third linear module arranged in front of the second correction device on the second platform in a transverse manner, wherein the third linear module is provided with a second clamp for carrying the battery cell materials on the lamination device; The first support is arranged on the workbench, a fourth linear module is arranged transversely, and the fourth linear module is sequentially provided with a first grabbing mechanism, a second grabbing mechanism, a cutting mechanism, a diaphragm feeding mechanism, a third grabbing mechanism and a fourth grabbing mechanism; The first bracket is provided with two first connecting rods, the image acquisition assemblies are respectively arranged at the end parts of the first connecting rods, and the image acquisition assemblies are respectively arranged above the first correction device and the second correction device and are used for acquiring images of materials of the first correction device and the second correction device; the diaphragm unreeling mechanism is arranged on the first support, and diaphragm materials on the diaphragm unreeling mechanism are placed and fed on the lamination device through the diaphragm feeding mechanism.
2. The battery cell lamination equipment according to claim 1, wherein the lamination device comprises two oppositely arranged lamination layering mechanisms, a first platform is arranged between the two lamination layering mechanisms, a first support is arranged on the workbench, a first sliding rail assembly for driving the first platform to move up and down is arranged on the first support, a first lifting driving mechanism for driving the first platform to move up and down is arranged at the bottom of the workbench, an adsorption placing platform for stacking processing is arranged on the first platform, a first connecting block is further arranged on the first platform, a first cylinder is arranged on the first connecting block, and a supporting block for separating a stacked battery cell product from the adsorption placing platform is arranged on the first cylinder; The lamination layering mechanism is provided with a fine adjustment mechanism, the fine adjustment mechanism comprises a longitudinal fine adjustment assembly and a transverse fine adjustment assembly arranged on the longitudinal fine adjustment assembly, the transverse fine adjustment assembly is provided with two sliding seats which are close to or far away from each other, and the lamination layering mechanism comprises two pole piece layering and two lifting cylinders which respectively drive the pole piece layering to move forwards and backwards.
3. The electrical core lamination equipment of claim 2, wherein the first correction device and the second correction device comprise a second support and a first adsorption placement platform, the second support is provided with a first servo linear module for controlling the first adsorption placement platform to reciprocate along the longitudinal direction, the first servo linear module is provided with a second servo linear module for controlling the first adsorption placement platform to reciprocate along the transverse direction, the second servo linear module is provided with a servo rotary module for controlling the first adsorption placement platform to horizontally rotate and adjust, and the first adsorption placement platform is fixedly arranged on a rotary shaft of the servo rotary module.
4. The battery cell lamination equipment of claim 1, wherein the first linear module is provided with a first sliding table and a first servo motor for driving the first sliding table to reciprocate along the first linear module, the first sliding table is provided with a second support, the second support is provided with a second air cylinder, the second air cylinder is provided with a second installation block which moves up and down, and the first clamp is fixedly arranged on the second installation block.
5. The battery cell lamination equipment of claim 1, wherein the workbench is provided with a plurality of first orifices, the second platform is provided with a plurality of second orifices, the first jacking mechanisms are respectively arranged below the first orifices, the second jacking mechanisms are arranged below the second orifices, and separation assemblies for separating a first pole piece material of the first pole piece material box and a second pole piece material in the second pole piece material box are respectively arranged beside the upper side of the first orifices and beside the upper side of the second orifices; The first jacking mechanism and the second jacking mechanism are respectively provided with a fixing seat, the first jacking mechanism and the second jacking mechanism are fixedly arranged below the first orifice and the second orifice through the fixing seats, the first jacking mechanism and the second jacking mechanism comprise lifting rod assemblies and first driving assemblies for driving the lifting rod assemblies to move up and down, jacking blocks are arranged at the tops of the lifting rod assemblies, and jacking and feeding actions are carried out on the first pole piece materials in the first pole piece material box and the second pole piece materials in the second pole piece material box through the first orifice or the second orifice.
6. The battery cell lamination equipment of claim 1, wherein the first pole piece material box and the second pole piece material box both comprise a base and two material racks arranged on the base, the base is provided with two groups of opposite adjusting notch groups, each adjusting notch group comprises two first straight notches moving towards the center direction of the base and two second straight notches respectively vertically facing the first straight notches, each material rack comprises two first support rods and two second support rods, the first support rods are respectively arranged on the first straight notches, the second support rods are respectively arranged on the second straight notches, and the first support rods, the first straight notches, the second support rods and the second straight notches are respectively and adjustably arranged on the base in a screw fixing mode; The first support rods are respectively provided with a first base, the first bases comprise first connecting parts which are arranged in parallel with the first straight slot openings, the end parts of the first connecting parts are provided with second connecting parts which are parallel with the second straight slot openings, the two second connecting parts are arranged far away from each other, and the second connecting parts are respectively provided with a third straight slot opening; the second support rods are respectively provided with a second base, the second bases comprise third connecting parts which are arranged in parallel with the second straight slot openings, the end parts of the third connecting parts are provided with fourth connecting parts which are parallel to the first straight slot openings, the two third connecting parts are arranged far away from each other, and the second connecting parts are respectively provided with a fourth straight slot opening; the center of the base is provided with a third orifice for inserting the ejector block.
7. The apparatus of claim 1, wherein the table has a slot and the second linear module has a second servo motor for driving the second table to reciprocate along the second linear module; the third linear module is provided with a third sliding table and a third servo motor for driving the third sliding table to do reciprocating motion along the third linear module, the third sliding table is provided with a third support, the third support is provided with a third air cylinder, the third air cylinder is provided with a third installation block which moves up and down, and the second clamp is fixedly arranged on the third installation block.
8. The battery core lamination equipment according to claim 1, wherein the first bracket is provided with a cross rod, the cross rod is provided with a mounting plate, the mounting plate is provided with a transversely arranged strip-shaped opening, the fourth linear module is fixedly arranged at the strip-shaped opening at the rear of the mounting plate, two fourth sliding rails are arranged in front of the mounting plate, the fourth sliding rails are provided with a plurality of fourth sliding blocks, the fourth linear module is provided with a fourth sliding table and a fourth servo motor for driving the fourth sliding table to reciprocate along the fourth linear module, and the fourth sliding table is fixedly arranged on the fourth sliding blocks; The first grabbing mechanism and the fourth grabbing mechanism comprise a third clamp and a fifth linear module for controlling the third clamp to move up and down; The second grabbing mechanism and the third grabbing mechanism comprise a fourth clamp and a sixth linear module for controlling the fourth clamp to move up and down.
9. The apparatus of claim 8, wherein the cutting mechanism comprises a cutter and a seventh linear module for controlling the cutter to move up and down; The diaphragm unreeling mechanism comprises a first tensioning shaft roller, a second tensioning shaft roller, a diaphragm sensing assembly and a diaphragm unreeling and feeding assembly which are sequentially arranged on the fourth mounting seat from top to bottom, and the diaphragm unreeling and feeding assembly is provided with an air blowing separation assembly.
10. The battery core lamination equipment of claim 9, wherein the first support is provided with a longitudinally arranged eighth linear module, the eighth linear module is provided with an eighth sliding table and an eighth servo motor for driving the eighth sliding table to reciprocate along the eighth linear module, the diaphragm unreeling mechanism is arranged on the eighth sliding table, and the diaphragm unreeling mechanism comprises a driving shaft roller assembly and a plurality of tensioning shaft rollers, wherein the driving shaft roller assembly is used for placing diaphragm coiled materials.

Description

Battery cell lamination equipment Technical Field The invention relates to the technical field of battery cell production, in particular to battery cell lamination equipment. Background The battery cell is used as a core component of an energy storage device such as a lithium battery, a fuel battery and the like, and the structural stability and the superposition precision of the pole piece and the diaphragm directly determine the charge and discharge performance, the cycle life and the use safety of the energy storage device. The battery cell lamination process is a key link in the battery cell production process, and the positive pole piece, the negative pole piece and the diaphragm are precisely overlapped according to a preset sequence to form a multi-layer alternate lamination structure. The existing lamination equipment has the following problems that 1, the applicability is poor, the existing lamination machine can only adapt to single-type and single-specification pole piece materials, can not flexibly switch different types of positive pole pieces such as double-sided coating films, front coating films and back coating films according to production requirements, and is difficult to adapt to pole piece materials with different sizes, so that the universality of the lamination equipment is insufficient, the lamination equipment with different specifications needs to be customized, the input cost of the production equipment is increased, 2, the positioning accuracy of the pole piece of the existing lamination equipment is insufficient, the pole piece materials are easy to deviate and incline in the material taking and carrying processes, the existing correction device can only realize position adjustment in a single direction, the full-direction correction of longitudinal, transverse and horizontal rotation can not be completed, the position deviation is large when the pole pieces are overlapped, and the electrical property and the structural stability of a battery core are influenced, 3, the existing lamination equipment has lower production efficiency, the action coordination of each material taking, carrying, correction and lamination mechanisms are poor in action coordination, multiple steps and independent actions exist, and the synchronization of diaphragm feeding, cutting and lamination is insufficient, and lamination processing efficiency is further restricted. Disclosure of Invention The invention provides a battery core lamination device aiming at the defects of the prior art, and aims to solve the technical problems of poor applicability, poor lamination precision and low efficiency of the battery core lamination device in the prior art. The technical scheme adopted by the invention for achieving the purpose is as follows: The battery cell lamination equipment comprises a machine body, wherein a workbench is arranged on the machine body, a lamination device for assembling battery cell laminations is arranged on the workbench, and a first correction device and a second correction device for correcting a first pole piece material and a second pole piece material are respectively arranged beside two sides of the lamination device; the first linear module is arranged beside the first correcting device on the workbench in a longitudinal mode and is provided with a first clamp for taking materials of the first pole piece; The first jacking mechanisms are respectively arranged beside the other side of the first linear module and at two ends of the first linear module, and each first jacking mechanism is provided with a first pole piece material box for stacking and placing a plurality of first pole piece materials; The second linear module is arranged beside the lamination device of the workbench in a longitudinal mode, a second platform which moves back and forth along the second linear module is arranged on the second linear module, and the second correction device is arranged on the second platform; The second jacking mechanism is arranged beside the second correction device on the second platform, and is provided with a second pole piece material box for stacking and placing a plurality of second pole piece materials; a third linear module arranged in front of the second correction device on the second platform in a transverse manner, wherein the third linear module is provided with a second clamp for carrying the battery cell materials on the lamination device; The first support is arranged on the workbench, a fourth linear module is arranged transversely, and the fourth linear module is sequentially provided with a first grabbing mechanism, a second grabbing mechanism, a cutting mechanism, a diaphragm feeding mechanism, a third grabbing mechanism and a fourth grabbing mechanism; The first bracket is provided with two first connecting rods, the image acquisition assemblies are respectively arranged at the end parts of the first connecting rods, and the image acquisition assemblies are respect