Cell combining device

Abstract

The application provides a cell splicing device, which comprises a splicing support, two cell translation mechanisms, two cell overturn mechanisms, two cell body clamping mechanisms, two pairs of four insulation film clamping mechanisms, one top cover clamping mechanism and two tab supporting mechanisms. The cell splicing device can overturn and splice two cell bodies and two insulation films relative to a top cover. During the overturning of the cell bodies and the insulation films, the cell body clamping mechanisms can clamp the two cell bodies, the insulation film clamping mechanisms can clamp the insulation films, and the top cover clamping mechanism can clamp the top cover, so that the cell bodies, the insulation films and the top cover cannot be displaced during the overturning, and the tab supporting mechanisms can support the tabs to avoid the twisting and pushing and pulling of the tabs during the cell splicing. The cell splicing device solves the problem that the cell quality is affected by the loosening or the twisting and pushing and pulling of the tabs during the cell splicing.

Description

Technical Field

[0001] This invention belongs to the field of battery production equipment technology, and particularly relates to a battery cell bonding device. Background Technology

[0002] Please refer to Figures 1 to 2 The flexible-connected, film-coated battery cell includes two battery cell bodies 11 and a top cover 12. Each of the two battery cell bodies 11 has a cathode lug 11a and an anode lug 11b welded to the cathode and anode posts of the top cover 12, respectively. An insulating film 13 is sandwiched between one large surface of each of the two battery cell bodies 11 and the top cover 12. The two battery cell bodies 11 are laid flat on both sides of the top cover 12, with each large surface pressing onto an insulating film 13. Both insulating films 13 are recessed into the rounded corners of the battery cell bodies 11 on both sides in the width direction. Both insulating films 13 are higher than the battery cell bodies 11 in the height direction by approximately one battery cell body 11 thickness plus 3mm. A transverse bending line 13a, easily bendable, is pre-pressed on each insulating film 13 at its alignment with the bottom surface of the two battery cell bodies 11. After welding, the first step is to combine the two battery cells together, including the insulating film 13, by flipping and stacking them around the top cover 12. Please refer to [link / reference needed]. Figure 3 The requirements for the bonding of the film-coated battery cell 10 are as follows: the relative position and bonding relationship of the two battery cell bodies 11 and the insulating film 13 cannot be changed, and the cathode lug 11a, anode lug 11b and insulating film 13 cannot be twisted, pushed or pulled. Summary of the Invention

[0003] The purpose of this invention is to provide a battery cell assembly device that can clamp the battery cell body and the insulating film from both sides of the top cover and rotate them towards each other around the top cover. At the same time, it clamps the top cover and moves it downward, and supports the electrode tabs to keep them stationary. This allows the battery cell body and the insulating film on both sides to rotate towards each other around the top cover. During the rotation process, the battery cell body and the insulating film on both sides continuously move closer to the top cover, which can avoid the problem of damage to the cathode and anode tabs due to top cover displacement or the twisting or pushing of the cathode and anode tabs.

[0004] This invention is implemented as follows: a battery cell bonding device, comprising:

[0005] The core-combining device is used to flip and stack two battery cell bodies together with two insulating films around the top cover; the core-combining device includes a core-combining bracket, a core-combining translation mechanism, two core-combining flipping mechanisms, two battery cell body clamping mechanisms, two pairs of four insulating film clamping mechanisms, a top cover clamping mechanism, and two electrode tab support mechanisms.

[0006] The core-joining translation mechanism is located on the top of the core-joining bracket; the core-joining translation mechanism includes two core-joining translation drive modules on the left and right and two core-joining translation slides with a second opening in the front and rear. The two core-joining translation drive modules can drive the two core-joining translation slides to move horizontally back and forth in a straight line.

[0007] The two core-joining flipping mechanisms are fixed on opposite front and rear sides of the two core-joining translation slides in a 180° turn-around position; each core-joining flipping mechanism includes a core-joining flipping drive module and a core-joining flipping frame.

[0008] The cell body clamping mechanism is centrally fixed on the cell flipping frame and is used to place the cell body together with the insulating film and clamp the cell body.

[0009] A pair of insulating film clamping mechanisms are externally fixed on the core flipping frame to clamp the two outer corners of the insulating film that extend beyond the bottom surface of the battery cell body;

[0010] The top cover clamping mechanism is used to clamp the top cover and lower the top cover;

[0011] The two electrode tab support mechanisms are used to extend outward from both ends of the top cover to support the anode tab and the cathode tab respectively;

[0012] One of the top cover clamping mechanisms and two of the electrode tab supporting mechanisms are fixed under the core-joining bracket, both located between the two second openings, with the top cover clamping mechanism centered and the two electrode tab supporting mechanisms located on the left and right sides of the top cover clamping mechanism; and,

[0013] The transport device includes a transport bracket, a film-coated battery cell transport mechanism, and a combined battery cell transport mechanism. The film-coated battery cell transport mechanism is used to transport the film-coated battery cells after flexible connection welding to the combined battery cell transport mechanism, and the combined battery cell transport mechanism transports the combined battery cells off the machine.

[0014] Furthermore, the film-coated battery cell transport mechanism of the transport device includes a film-coated battery cell translation module, a film-coated battery cell lifting module, and a film-coated battery cell robot. The film-coated battery cell translation module is horizontally fixed on the transport bracket, the film-coated battery cell lifting module is vertically fixed at the output end of the film-coated battery cell translation module, and the film-coated battery cell robot is vertically fixed at the output end of the film-coated battery cell lifting module.

[0015] The combined battery cell handling mechanism includes a combined battery cell translation module, a combined battery cell lifting module, and a combined battery cell robot. The combined battery cell translation module is horizontally fixed on the handling bracket, the combined battery cell lifting module is vertically fixed at the output end of the combined battery cell translation module, and the combined battery cell robot is vertically fixed at the output end of the combined battery cell lifting module.

[0016] Furthermore, the membrane-coated battery cell manipulator includes a gripper drive and two gripping units spaced apart on the left and right. Each gripping unit includes a battery cell suction cup, a battery cell suction cup drive, an insulating film suction cup, and two gripping claws spaced apart front and rear. The front and rear power output ends of the gripper drive are fixedly connected to the two gripping claws respectively. The gripper drive can drive the two gripping claws to move towards each other to clamp the two battery cell bodies. The battery cell suction cup is fixed to the output end of the battery cell suction cup drive. The battery cell suction cup drive can drive the battery cell suction cup to descend and suck up the large surface of the battery cell body. The insulating film suction cup is disposed on the side of the battery cell suction cup and is used to suck up the insulating film extending beyond the bottom surface of the battery cell body.

[0017] Furthermore, the membrane-supported battery cell robot also includes a membrane-supported battery cell robot mounting plate, and the gripping unit also includes an insulating film suction cup bracket and a material sensor. The top of the insulating film suction cup bracket is fixed to the membrane-supported battery cell robot mounting plate, the insulating film suction cup is fixed to the bottom of the insulating film suction cup bracket, and the material sensor is fixed to the outer surface of the battery cell suction cup to detect whether the gripping claw has gripped the battery cell body.

[0018] Furthermore, the core-combining bracket includes a core-combining bracket base plate, a core-combining bracket column, and a core-combining bracket panel. The core-combining bracket base plate is installed on an external machine base. The bottom end of the core-combining bracket column is fixed to the core-combining bracket base plate. The core-combining bracket panel is fixed to the top end of the core-combining bracket column. A first opening is provided in the center of the core-combining bracket panel for installing the top cover clamping mechanism and the electrode tab support mechanism. Core-combining translational travel switches are also installed on opposite sides of the core-combining bracket panel.

[0019] Furthermore, the core-joining translation mechanism also includes two core-joining translation drive module mounting plates, two core-joining translation drive cams, four core-joining translation drive cam pairs, two core-joining translation slide blocks, four core-joining flip-limiting components, and four core-joining translation sensing plates; the two slide rails of the two core-joining translation drive module mounting plates and the two core-joining translation slide blocks are all fixed on the core-joining bracket, the two core-joining translation drive modules are fixed on the two core-joining translation drive module mounting plates, and the two core-joining translation drive cams are fixed on the two core-joining translation slide blocks. At the output end of the core translation drive module, two core translation drive cam pairs cooperate with two core translation drive cams, and two core translation slide plates are fixed on the sliders of the two core translation slide blocks; two core flip limiters are fixed on the two core translation slide plates to limit the lowest position of the core flip frame; four core translation sensing plates are fixed on the four outer corners of the two core translation slide plates and cooperate with the core translation limit switch to limit the sliding range of the core translation slide plate.

[0020] Furthermore, each of the core-combining and flipping mechanisms also includes a core-combining and flipping drive module bracket, a core-combining and flipping transmission system, two core-combining and flipping support plates, and a core-combining and flipping angle switch group. The core-combining and flipping drive module bracket and the core-combining and flipping support plates are fixed to one outer corner of the core-combining and flipping sliding plate, and the two core-combining and flipping support plates are fixed to the other two outer corners of the core-combining and flipping sliding plate at both ends. The core-combining and flipping drive module is fixed on the core-combining and flipping drive module bracket. The core-combining and flipping transmission system is drivenly connected to the output end of the core-combining and flipping drive module. The core-combining and flipping frame is mounted on the two core-combining and flipping support plates and fixedly connected to the output end of the core-combining and flipping transmission system. The sensing plate and switch of the core-combining and flipping angle switch group are respectively installed on the core-combining and flipping support plates and the core-combining and flipping frame, and are used to sense and control the rotation angle of the core-combining and flipping frame.

[0021] Furthermore, the core-turning frame includes a core-turning frame base plate, two core-turning frame support plates, and two core-turning frame rotating shafts. The two core-turning frame support plates are fixed at both ends of the core-turning frame base plate. The two core-turning frame rotating shafts are each fixed on the top of the two core-turning frame support plates and are used to be mounted on the two core-turning support plates. One of the core-turning frame rotating shafts is also used to connect to the output end of the core-turning transmission system.

[0022] Furthermore, the cell body clamping mechanism includes a cell body clamping drive, two cell body clamping brackets, two cell body clamping translation slides, two cell body clamps, and two cell brackets. Each cell bracket includes multiple cell bracket bearing surfaces and multiple cell bracket claw notches. The cell body clamping drive is fixed to the cell-combining and flipping frame base plate. The cell body clamping bracket is L-shaped, with horizontal connecting ends and vertical connecting ends. The two horizontal connecting ends are fixedly connected to the two power output ends of the cell body clamping drive, and the two vertical connecting ends are fixedly connected to the two cell body clamping brackets. The sliders of the cell body clamping translation slide are fixedly connected. The two cell brackets and the two slide rails of the two cell body clamping translation slides are fixed to the bottom plate of the cell-combining flipping frame. The two cell body clamps are fixed on the two sliders of the two cell body clamping translation slides. The multiple cell bracket bearing surfaces are used to support the cell body. The multiple cell bracket claw notches are recessed in the cell bracket bearing surfaces to avoid the claws that grab the cell when placing the cell body. The cell body clamping drive can drive the two cell body clamps to close to clamp the cell body placed on the cell bracket.

[0023] Furthermore, the insulating film clamping mechanism includes an insulating film clamping translation mounting plate, an insulating film clamping translation bracket, an insulating film clamping translation drive component, an insulating film clamping translation slide block, and two insulating film clamps; the insulating film clamping translation mounting plate is fixed to the outer side of the core-turning frame base plate, the insulating film clamping translation drive component is fixed to the bottom of the core-turning frame base plate, and the slide rail of the insulating film clamping translation slide block is fixed to the insulating film clamping translation mounting plate, with its length direction perpendicular to the length direction of the core-turning frame base plate; the insulating film clamping translation... The bracket is fixed to the movable end of the insulating film clamping and translational drive and the slider of the insulating film clamping and translational sliding block. The insulating film clamping and translational drive is fixed to the insulating film clamping and translational bracket. The insulating film clamp is fixed to the output end of the insulating film clamping and translational drive. The insulating film clamping and translational drive can drive the two insulating film clamps to close to clamp the insulating film. The insulating film clamping and translational drive can drive the insulating film clamping and translational bracket, along with the insulating film clamping and translational drive and the two insulating film clamps, to move in a direction perpendicular to the length direction of the core-turning frame base plate.

[0024] Furthermore, the top cover clamping mechanism includes a top cover clamping mechanism mounting component, a top cover clamping lifting drive module, a top cover clamping lifting frame, a top cover clamping drive component, two top cover clamping slides, two top cover clamping brackets, two top cover clamps, two top cover clamps, two top cover support plates, and a top cover support plate; the top cover clamping mechanism mounting component is fixed in the center of the first opening of the core support panel, the top cover clamping lifting drive module is fixed on the top cover clamping mechanism mounting component, the top cover clamping lifting frame is fixed to the output end of the top cover clamping lifting drive module, and the top cover clamping drive component, two top cover clamping slides, two top cover clamping brackets, two top cover clamps, two top cover clamping supports, two top cover clamping clamps, two top cover support plates, and two top cover support plates. The bottom ends of the two slide rails of the top cover clamping slide group and the two top cover support plate pillars are all fixed to the top of the top cover clamping lifting frame. The two top cover clamping brackets are fixed to the power output end of the top cover clamping drive and the two sliders of the two top cover clamping slide groups. The two top cover clamps are fixed to the two top cover clamping brackets. The top cover support plate is fixed to the top of the two top cover support plate pillars. The top cover clamping drive can drive the two top cover clamping brackets to close with the two top cover clamps to clamp the battery cell top cover placed on the top cover support plate.

[0025] Furthermore, the electrode support mechanism includes an electrode support mechanism bracket, an electrode support mechanism mounting plate, an electrode support translation slide block, an electrode support translation drive, an electrode support translation slide plate, an electrode support opening and closing drive, two electrode support arms, and two electrode support fingers; the left and right electrode support mechanisms are also fixed within the first opening of the core support panel at both ends of the top cover clamping mechanism. The electrode support mechanism bracket is fixed under the core support panel, the electrode support mechanism mounting plate is fixed on the electrode support mechanism bracket, the slide rails of the electrode support translation drive and the electrode support translation slide block are both fixed on the electrode support mechanism mounting plate, and the electrode support translation slide plate is fixed to the electrode support translation mechanism. The output end of the drive unit and the slider of the tab support translation slide block are connected. The tab support opening and closing drive unit is fixed on the tab support translation slide block. The bottom ends of the two tab support arms are fixed on the output end of the tab support opening and closing drive unit. The two tab support fingers are respectively fixed on the top ends of the two tab support arms. The tab support opening and closing drive unit can drive the two tab support arms to open with the two tab support fingers to support the anode or cathode of the cell body. The tab support translation drive unit can drive the tab support translation slide block to bring the tab support opening and closing drive unit together with the two tab support arms and the two tab support fingers into the top cover of the cell to support the anode or cathode of the cell body.

[0026] Compared with the prior art, the beneficial effects of this invention are as follows:

[0027] The battery cell bonding device of the present invention includes two bonding translation mechanisms, two bonding flipping mechanisms, two battery cell body clamping mechanisms, two pairs of four insulating film clamping mechanisms, a top cover clamping mechanism, and two electrode tab support mechanisms. The bonding device can flip and stack two battery cell bodies together with two insulating films around the top cover.

[0028] Furthermore, during the flipping process of the battery cell body and the insulating film, the battery cell body clamping mechanism can clamp two battery cell bodies, the insulating film clamping mechanism can clamp the insulating film, and the top cover clamping mechanism can clamp the top cover. This ensures that the battery cell body, insulating film, and top cover will not loosen during the flipping process, and that the battery cell bodies and insulating films on both sides continuously move closer to the top cover during the flipping process. At the same time, the tab support mechanism can support the tabs to prevent them from being squeezed or twisted during the core-combining process. It can be seen that the core-combining device of the present invention solves the problems of loosening and damage to the tabs due to squeezing or twisting during the core-combining process. Attached Figure Description

[0029] Figure 1 This is a schematic diagram of the front structure of the battery cell before it is fused together;

[0030] Figure 2 This is a schematic diagram of the reverse side structure of the battery cell before it is fused together;

[0031] Figure 3 This is a schematic diagram of the battery cell structure after the cores are combined;

[0032] Figure 4 This is a schematic diagram of the structure of a core-combining device provided in an embodiment of the present invention;

[0033] Figure 5 yes Figure 4 A schematic diagram of the core-combining device after removing the core-combining bracket and the core-combining translation mechanism;

[0034] Figure 6 yes Figure 4 A schematic diagram of the core-combining bracket in the core-combining device shown;

[0035] Figure 7 yes Figure 4 A schematic diagram of the core-combining translation mechanism in the core-combining device shown;

[0036] Figure 8 yes Figure 4 A schematic diagram of the top structure of the core-combining and flipping mechanism in the core-combining device shown.

[0037] Figure 9 yes Figure 4 A schematic diagram of the bottom structure of the core-combining and flipping mechanism in the core-combining device shown.

[0038] Figure 10 yes Figure 4 A schematic diagram of the battery cell body clamping mechanism in the shown battery cell assembly device;

[0039] Figure 11 yes Figure 4 A schematic diagram of the core-combining flipping frame and insulating film clamping mechanism in the core-combining device shown;

[0040] Figure 12 yes Figure 4 A schematic diagram of the top cover clamping mechanism in the shown core-combining device;

[0041] Figure 13 yes Figure 4 A schematic diagram of the tab support mechanism in the core-combining device shown.

[0042] Explanation of reference numerals in the attached diagram:

[0043] 10-Battery cell, 11-Battery cell body, 11a-Cathode lug, 11b-Anode lug, 12-Top cover, 13-Insulating film, 13a-Bending wire;

[0044] 100-Core assembly device;

[0045] 110-Core-connecting bracket, 111-Core-connecting bracket base plate, 112-Core-connecting bracket upright, 113-Core-connecting bracket panel, 1131-First opening;

[0046] 120-Core-combining translation mechanism, 121-Core-combining translation drive module, 122-Core-combining translation slide plate, 1221-Second opening, 123-Core-combining translation drive module mounting plate, 124-Core-combining translation drive cam, 125-Core-combining translation drive cam pair, 126-Core-combining translation slide block, 127-Core-combining flip limit piece, 1281-Core-combining translation sensing plate, 1282-Core-combining translation limit switch;

[0047] 130-Core flipping mechanism, 131-Core flipping drive module, 132-Core flipping frame, 1321-Core flipping frame base plate, 1322-Core flipping frame support plate, 1323-Core flipping frame rotating shaft, 133-Core flipping drive module bracket, 134-Core flipping transmission system, 135-Core flipping support plate, 136-Core flipping angle switch group;

[0048] 140 - Insulating film clamping mechanism, 141 - Insulating film clamping translation mounting plate, 142 - Insulating film clamping translation bracket, 143 - Insulating film clamping translation drive, 144 - Insulating film clamping translation slide block, 145 - Insulating film clamping drive, 146 - Insulating film clamp;

[0049] 150-Cell body clamping mechanism, 151-Cell body clamping drive, 152-Cell body clamping bracket, 153-Cell body clamping translation slide block, 154-Cell body clamp, 155-Cell body bracket, 1551-Cell body bracket bearing surface, 1552-Cell body bracket claw notch;

[0050] 160-Top cover clamping mechanism, 161-Top cover clamping mechanism mounting component, 162-Top cover clamping lifting drive module, 163-Top cover clamping lifting frame, 164-Top cover clamping drive component, 165-Top cover clamping slide block, 166-Top cover clamping bracket, 167-Top cover clamp, 168-Top cover support plate support column, 169-Top cover support plate;

[0051] 170 - Ear support mechanism, 171 - Ear support mechanism bracket, 172 - Ear support mechanism mounting plate, 173 - Ear support translation slide block, 174 - Ear support translation drive component, 175 - Ear support translation slide plate, 176 - Ear support opening and closing drive component, 177 - Ear support arm, 178 - Ear support finger. Detailed Implementation

[0052] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0053] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this invention; the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance; furthermore, unless otherwise explicitly specified and limited, the terms "installed," "connected," and "joined" should be interpreted broadly, for example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or they can refer to the internal communication of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0054] Please refer to Figure 4 and Figure 5 This embodiment illustrates a battery cell bonding device for stacking two battery cell bodies 11 together with two insulating films 13 around a top cover 12. The bonding device 100 includes a bonding support 110, a bonding translation mechanism 120, two bonding flipping mechanisms 130, two pairs of four insulating film clamping mechanisms 140, two battery cell body clamping mechanisms 150, a top cover clamping mechanism 160, and two tab support mechanisms 170.

[0055] Please refer to Figure 6 The core-joining bracket 110 includes a core-joining bracket base plate 111, a core-joining bracket column 112, and a core-joining bracket panel 113. The core-joining bracket base plate 111 is mounted on an external machine tool. The bottom end of the core-joining bracket column 112 is fixed to the core-joining bracket base plate 111, and the core-joining bracket panel 113 is fixed to the top end of the core-joining bracket column 112. A first opening 1131 is provided in the center of the core-joining bracket panel 113 for installing a top cover clamping mechanism 160 and a tab support mechanism 170. Core-joining translation limit switches 1282 are also installed on opposite sides of the core-joining bracket panel 113.

[0056] The core-aligning translation mechanism 120 is used to move the core-aligning flipping mechanism 130, and the core-aligning translation mechanism 120 is located on top of the core-aligning bracket 110. Please refer to [link / reference]. Figure 7The core-aligning translation mechanism 120 includes two core-aligning translation drive modules 121 (left and right), two core-aligning translation slide plates 122 with a second opening 1221 (front and rear), two core-aligning translation drive module mounting plates 123, two core-aligning translation drive cams 124, four core-aligning translation drive cam pairs 125, two core-aligning translation slide blocks 126, four core-aligning flip-limiting members 127, and four core-aligning translation sensing plates 1281. The two core-aligning translation drive modules 121 can drive the two core-aligning translation slide plates 122 to move horizontally back and forth linearly. The two mounting plates 123 for the two core-aligning translation drive modules and the two slide rails of the two core-aligning translation slide blocks 121 are all fixed on the core-aligning bracket 110. The two core-aligning translation drive modules 121 are fixed on the two mounting plates 123. The two core-aligning translation drive cams 124 are fixed on the output ends of the two core-aligning translation drive modules 121. Each pair of two core-aligning translation drive cam pairs 125 cooperates with the two core-aligning translation drive cams 124. The two core-aligning translation slide plates 122 are fixed on the sliders of the two core-aligning translation slide blocks 126. Each pair of two core-aligning flip limiters 127 are fixed on the two core-aligning translation slide plates 122 to limit the lowest position of the core-aligning flip frame 132. Four core-aligning translation sensing plates 1281 are fixed on the four outer corners of the two core-aligning translation slide plates 122 and cooperate with the core-aligning translation limit switches 1282 to limit the sliding range of the core-aligning translation slide plates 122.

[0057] Two cell-combining flipping mechanisms 130 are fixed on opposite front and rear sides of two cell-combining sliding plates 122 in a 180° turning position, for flipping the two cell bodies 11 together. Please refer to [link / reference]. Figure 8 and Figure 9 Each core-flipping mechanism 130 includes a core-flipping drive module 131, a core-flipping frame 132, a core-flipping drive module bracket 133, a core-flipping transmission system 134, two core-flipping support plates 135, and a core-flipping angle switch assembly 136. The core-flipping drive module bracket 133 and the core-flipping support plates 135 are fixed to one outer corner of the core-flipping sliding plate 122, and the two core-flipping support plates 135 are fixed to the other two outer corners of the core-flipping sliding plate 122 at both ends. The core-flipping drive module 131 is fixed on the core-flipping drive module bracket 133. The core-flipping transmission system 134 is connected to the output end of the core-flipping drive module 131. The core-flipping frame 132 is mounted on the two core-flipping support plates 135 and is fixedly connected to the output end of the core-flipping transmission system 134. The sensing element and switch of the core-flipping angle switch assembly 136 are respectively mounted on the core-flipping support plate 135 and the core-flipping frame 132, and are used to sense and control the rotation angle of the core-flipping frame 132.

[0058] For further details, please refer to Figure 10The core-turning frame 132 includes a core-turning frame base plate 1321, two core-turning frame support plates 1322, and two core-turning frame rotating shafts 1323. The two core-turning frame support plates 1322 are fixed to both ends of the core-turning frame base plate 1321. The two core-turning frame rotating shafts 1323 are each fixed to the top of the two core-turning frame support plates 1322 and are used to support the two core-turning support plates 135. One of the core-turning frame rotating shafts is also used to connect to the output end of the core-turning transmission system 134.

[0059] A pair of insulating film clamping mechanisms 140 are externally fixed to the core flipping frame 132 for clamping the two outer corners of the insulating film 13 extending beyond the bottom surface of the battery cell body 11. The insulating film clamping mechanism 140 includes an insulating film clamping translation mounting plate 141, an insulating film clamping translation bracket 142, an insulating film clamping translation drive 143, an insulating film clamping translation slide block 144, an insulating film clamping drive 145, and two insulating film clamps 146. An insulating film clamping and translational mounting plate 141 is fixed to the outer side of the core-turning frame base plate 1321. An insulating film clamping and translational driving component 143 is fixed under the core-turning frame base plate 1321. The slide rail of the insulating film clamping and translational sliding assembly 144 is fixed on the insulating film clamping and translational mounting plate 141, and its length direction is perpendicular to the length direction of the core-turning frame base plate 1321. An insulating film clamping and translational bracket 142 is fixed to the movable end of the insulating film clamping and translational driving component 143 and the slider of the insulating film clamping and translational sliding assembly 144. The insulating film clamping drive 145 is fixed on the insulating film clamping translation bracket 142, and the insulating film clamp 146 is fixed on the output end of the insulating film clamping drive 145. The insulating film clamping drive 145 can drive the two insulating film clamps 146 to close to clamp the insulating film 13. The insulating film clamping translation drive 143 can drive the insulating film clamping translation bracket 142 to move along the direction perpendicular to the length direction of the core flipping frame base plate 1321, along with the insulating film clamping drive 145 and the two insulating film clamps 146.

[0060] Please refer to Figure 11The cell body clamping mechanism 150 is centrally fixed on the cell flipping frame 132, and is used to place the cell body 11 together with the insulating film 13 and clamp the cell body 11. The cell body clamping mechanism 150 includes a cell body clamping drive 151, two cell body clamping brackets 152, two cell body clamping translation slides 153, two cell body clamps 154, and two cell brackets 155; each cell bracket 155 includes multiple cell bracket bearing surfaces 1551 and multiple cell bracket claw notches 1552. The cell body clamping drive 151 is fixed on the cell-combining and flipping frame base plate 1321. The cell body clamping bracket 1322 is L-shaped and has horizontal and vertical connecting ends. The two horizontal connecting ends are fixedly connected to the two power output ends of the cell body clamping drive 151, and the two vertical connecting ends are fixedly connected to the sliders of the two cell body clamping translation slide blocks 153. The two cell brackets 155 and the two slide rails of the two cell body clamping translation slide blocks 153 are fixed on the cell-combining and flipping frame base plate 1321. On 21, two cell body clamps 154 are fixed on two sliders of two cell body clamping translation slide block 153. Multiple cell bracket bearing surfaces 1551 are used to support the cell body 11. Multiple cell bracket claw notches 1522 are recessed in the cell bracket bearing surfaces 1551 to avoid the claws that grab the cell 10 when placing the cell body 11. The cell body clamping drive 151 can drive the two cell body clamps 154 to close so as to clamp the cell body 11 placed on the cell bracket 155.

[0061] The top cover clamping mechanism 160 is used to clamp the top cover 12 and lower the top cover 12. Please refer to [link / reference]. Figure 12The top cover clamping mechanism 160 includes a top cover clamping mechanism mounting component 161, a top cover clamping lifting drive module 162, a top cover clamping lifting frame 163, a top cover clamping drive component 164, two top cover clamping slides 165, two top cover clamping brackets 166, two top cover clamps 167, two top cover support plate supports 168, and a top cover support plate 169. The top cover clamping mechanism mounting component 161 is fixed in the center of the first opening 1131 of the core support panel 113. The top cover clamping lifting drive module 162 is fixed to the top cover clamping mechanism mounting component 161. The top cover clamping lifting frame 163 is fixed to the output end of the top cover clamping lifting drive module 162. The bottom ends of the top cover clamping drive component 164, the two slide rails of the two top cover clamping slides 165, and the two top cover support plate supports 168 are all fixed to the top of the top cover clamping lifting frame 163. Two top cover clamping brackets 166 are fixed to the power output end of the top cover clamping drive 164 and the two sliders of the two top cover clamping slides 165. Two top cover clamps 167 are fixed to the two top cover clamping brackets 166. The top cover support plate 169 is fixed to the top of the two top cover support plate pillars 168. The top cover clamping drive 164 can drive the two top cover clamping brackets 166 to close with the two top cover clamps 167 to clamp the top cover 12 placed on the top cover support plate 169.

[0062] Two electrode support mechanisms 170 extend outward from both ends of the top cover 12 to support the cathode lug 11a and the anode lug 11b respectively. Please refer to... Figure 13The electrode support mechanism 170 includes an electrode support mechanism bracket 171, an electrode support mechanism mounting plate 172, an electrode support translation slide block 173, an electrode support translation drive component 174, an electrode support translation slide plate 175, an electrode support opening and closing drive component 176, two electrode support arms 177, and two electrode support fingers 178. The left and right tab support mechanisms 170 are also fixed inside the first opening 1131 of the core support panel 113, at both ends of the top cover clamping mechanism 160. The tab support mechanism bracket 171 is fixed under the core support panel 113. The tab support mechanism mounting plate 172 is fixed on the tab support mechanism bracket 171. The slide rails of the tab support translation drive 174 and the tab support translation slide block 173 are both fixed on the tab support mechanism mounting plate 171. The tab support translation slide plate 175 is fixed on the slider of the tab support translation drive 174 and the tab support translation slide block 173. The tab support opening and closing drive 176 is fixed on the tab support translation slide plate 175. The bottom ends of the two tab support arms 177 are fixed to the output end of the tab support opening and closing drive 176, and the two tab support fingers 178 are respectively fixed to the top ends of the two tab support arms 177. The tab support opening and closing drive 176 can drive the two tab support arms 177 to open with the two tab support fingers 178 to support the cathode ear 11a or anode ear 11b of the cell body 11. The tab support translation drive 174 can drive the tab support translation slide 175 to bring the tab support opening and closing drive 176 together with the two tab support arms 177 and the two tab support fingers 178 into the top cover 12 to support the cathode ear 11a or anode ear 11b of the cell body 11.

[0063] A top cover clamping mechanism 160 and two tab support mechanisms 170 are fixed under the core support 110, located between the two second openings 1221, with the top cover clamping mechanism 160 in the center and the two tab support mechanisms 170 located on the left and right sides of the top cover clamping mechanism 160.

[0064] The working principle of the core-combining device 100 in this embodiment is as follows: The left and right core-combining translation drive modules 121 drive the front and rear core-combining translation slide plates 122 to move back and forth relative to each other on the horizontal plane and approach each other. With the top cover clamping mechanism 160 clamping the top cover 12 and causing the top cover 12 to sink, and the two electrode ear support mechanisms 170 supporting the cathode ear 11a and anode ear 11b respectively, the two core-combining flipping drive modules 131 simultaneously drive the front and rear core-combining flipping frames 132, together with one cell body clamping mechanism 150 and one pair of two insulating film clamping mechanisms 140, to flip the two cell bodies 11 of the film-coated cell 10, together with the insulating film 13, from the horizontal flat state around the top cover 12 to the vertically stacked state. During the flipping process, the cell bodies 11 and insulating films 13 on both sides continuously move closer to the top cover 12, thereby completing the core-combining operation of the cell 10.

[0065] In summary, during the flipping process of the cell body 10 and the insulating film 13, the cell body clamping mechanism 150 of this embodiment can clamp two cell bodies 10, the insulating film clamping mechanism 140 can clamp the insulating film 13, and the top cover clamping mechanism 160 can clamp the top cover 12. This ensures that the cell body 10, insulating film 13, and top cover 12 do not loosen during the flipping process. Furthermore, during the flipping process, the cell bodies 10 and insulating film 13 on both sides continuously move closer to the top cover 12. Simultaneously, the tab support mechanism 170 supports the tabs to prevent them from being squeezed or twisted during the cell bonding process. Therefore, the cell bonding device of this embodiment solves the problems of potential loosening and damage to the tabs due to squeezing or twisting during cell bonding.

[0066] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A battery cell bonding device for stacking two battery cell bodies together with two insulating films around a top cover by flipping them over each other; characterized in that, It includes a core-combining bracket, a core-combining translation mechanism, two core-combining flipping mechanisms, two cell body clamping mechanisms, two pairs of four insulating film clamping mechanisms, a top cover clamping mechanism, and two electrode tab support mechanisms; The core-joining translation mechanism is located on the top of the core-joining bracket; the core-joining translation mechanism includes two core-joining translation drive modules on the left and right and two core-joining translation slides with a second opening in the front and rear. The two core-joining translation drive modules can drive the two core-joining translation slides to move horizontally back and forth in a straight line. The two core-joining flipping mechanisms are fixed on opposite front and rear sides of the two core-joining translation slides in a 180° turn-around posture; each core-joining flipping mechanism includes a core-joining flipping drive module and a core-joining flipping frame; The cell body clamping mechanism is centrally fixed on the cell flipping frame and is used to place the cell body together with the insulating film and clamp the cell body. A pair of insulating film clamping mechanisms are externally fixed on the core flipping frame to clamp the two outer corners of the insulating film that extend beyond the bottom surface of the battery cell body; The top cover clamping mechanism is used to clamp the top cover and lower the top cover; The two electrode tab support mechanisms are used to extend outward from both ends of the top cover to support the anode tab and the cathode tab respectively; One of the top cover clamping mechanisms and two of the electrode tab support mechanisms are fixed under the core bracket, both located between the two second openings, with the top cover clamping mechanism in the center and the two electrode tab support mechanisms located on the left and right sides of the top cover clamping mechanism.

2. The cell-combining device as described in claim 1, characterized in that, The core-combining bracket includes a core-combining bracket base plate, a core-combining bracket column, and a core-combining bracket panel. The core-combining bracket base plate is installed on an external machine base. The bottom end of the core-combining bracket column is fixed to the core-combining bracket base plate. The core-combining bracket panel has a first opening in the center for installing the top cover clamping mechanism and the electrode tab support mechanism. Core-combining translation limit switches are also installed on opposite sides of the core-combining bracket panel.

3. The cell-combining device as described in claim 2, characterized in that, The core-joining translation mechanism further includes two core-joining translation drive module mounting plates, two core-joining translation drive cams, four core-joining translation drive cam pairs, two core-joining translation slide blocks, four core-joining flip-limiting components, and four core-joining translation sensing plates; the two slide rails of the two core-joining translation drive module mounting plates and the two core-joining translation slide blocks are all fixed on the core-joining bracket; the two core-joining translation drive modules are fixed on the two core-joining translation drive module mounting plates; and the two core-joining translation drive cams are fixed on the two core-joining slide blocks. At the output end of the drive module, two of the core-aligning translation drive cam pairs cooperate with two of the core-aligning translation drive cams, and two core-aligning translation slide plates are fixed on the sliders of the two core-aligning translation slide groups; two core-aligning flip limiters are fixed on the two core-aligning translation slide plates to limit the lowest position of the core-aligning flip frame; four core-aligning translation sensing plates are fixed on the four outer corners of the two core-aligning translation slide plates and cooperate with the core-aligning translation limit switches to limit the sliding range of the core-aligning translation slide plates.

4. The cell-combining device as described in claim 3, characterized in that, Each of the core-folding and flipping mechanisms further includes a core-folding and flipping drive module bracket, a core-folding and flipping transmission system, two core-folding and flipping support plates, and a core-folding and flipping angle switch group. The core-folding and flipping drive module bracket and the core-folding and flipping support plates are fixed to one outer corner of the core-folding and flipping sliding plate, and the two core-folding and flipping support plates are fixed to the other two outer corners of the core-folding and flipping sliding plate at both ends. The core-folding and flipping drive module is fixed on the core-folding and flipping drive module bracket. The core-folding and flipping transmission system is drivenly connected to the output end of the core-folding and flipping drive module. The core-folding and flipping frame is mounted on the two core-folding and flipping support plates and fixedly connected to the output end of the core-folding and flipping transmission system. The sensing element and switch of the core-folding and flipping angle switch group are respectively mounted on the core-folding and flipping support plates and the core-folding and flipping frame, and are used to sense and control the rotation angle of the core-folding and flipping frame.

5. The cell-combining device as described in claim 4, characterized in that, The core-turning frame includes a core-turning frame base plate, two core-turning frame support plates, and two core-turning frame rotating shafts. The two core-turning frame support plates are fixed at both ends of the core-turning frame base plate. The two core-turning frame rotating shafts are each fixed on the top of the two core-turning frame support plates and are used to mount the core-turning support plates. One of the core-turning frame rotating shafts is also used to connect to the output end of the core-turning transmission system.

6. The cell-combining device as described in claim 1, characterized in that, The battery cell clamping mechanism includes a battery cell clamping drive, two battery cell clamping brackets, two battery cell clamping translation slides, two battery cell clamps, and two battery cell brackets. Each battery cell bracket includes multiple battery cell bracket bearing surfaces and multiple battery cell bracket claw notches. The battery cell clamping drive is fixed to the bottom plate of the battery cell flipping frame. The battery cell clamping bracket is L-shaped, with horizontal connecting ends and vertical connecting ends. The two horizontal connecting ends are fixedly connected to the two power output ends of the battery cell clamping drive, and the two vertical connecting ends are fixedly connected to the two battery cell clamps. The sliders of the body clamping translation slide are fixedly connected. The two slide rails of the two battery cell brackets and the two battery cell body clamping translation slides are fixed to the bottom plate of the battery cell flipping frame. The two battery cell body clamps are fixed on the two sliders of the two battery cell body clamping translation slides. The multiple battery cell bracket bearing surfaces are used to support the battery cell body. The multiple battery cell bracket claw notches are recessed in the battery cell bracket bearing surfaces to avoid the claws that grab the battery cell when placing the battery cell body. The battery cell body clamping drive can drive the two battery cell body clamps to close so as to clamp the battery cell body placed on the battery cell bracket.

7. The cell-combining device as described in claim 1, characterized in that, The insulating film clamping mechanism includes an insulating film clamping translation mounting plate, an insulating film clamping translation bracket, an insulating film clamping translation drive, an insulating film clamping translation slide block, and two insulating film clamps. The insulating film clamping translation mounting plate is fixed to the outer side of the core-turning frame base plate. The insulating film clamping translation drive is fixed to the bottom of the core-turning frame base plate. The slide rail of the insulating film clamping translation slide block is fixed to the insulating film clamping translation mounting plate, and its length direction is perpendicular to the length direction of the core-turning frame base plate. The insulating film clamping translation bracket is fixed to the outer side of the core-turning frame base plate. The insulating film clamping and translational drive is fixed on the movable end of the insulating film clamping and translational sliding block and the slider of the insulating film clamping and translational sliding block. The insulating film clamping and translational drive is fixed on the insulating film clamping and translational support. The insulating film clamp is fixed on the output end of the insulating film clamping and translational drive. The insulating film clamping and translational drive can drive the two insulating film clamps to close to clamp the insulating film. The insulating film clamping and translational drive can drive the insulating film clamping and translational support to move along the direction perpendicular to the length direction of the core flipping frame base plate, along with the insulating film clamping and translational drive and the two insulating film clamps.

8. The cell-combining device as described in claim 1, characterized in that, The top cover clamping mechanism includes a top cover clamping mechanism mounting component, a top cover clamping lifting drive module, a top cover clamping lifting frame, a top cover clamping drive component, two top cover clamping slides, two top cover clamping brackets, two top cover clamps, two top cover clamps, two top cover support plates, and a top cover support plate. The top cover clamping mechanism mounting component is fixed in the center of the first opening of the core support panel. The top cover clamping lifting drive module is fixed on the top cover clamping mechanism mounting component. The top cover clamping lifting frame is fixed to the output end of the top cover clamping lifting drive module. The top cover clamping drive component, two top cover clamping slides, two top cover clamping brackets, two top cover clamps, two top cover clamps, two top cover support plates, and two top cover support plates are all included in the mechanism. The bottom ends of the two slide rails of the top cover clamping slide block and the two top cover support plate pillars are all fixed to the top of the top cover clamping lifting frame. The two top cover clamping brackets are fixed to the power output end of the top cover clamping drive and the two sliders of the two top cover clamping slide blocks. The two top cover clamps are fixed to the two top cover clamping brackets. The top cover support plate is fixed to the top of the two top cover support plate pillars. The top cover clamping drive can drive the two top cover clamping brackets to close with the two top cover clamps to clamp the battery cell top cover placed on the top cover support plate.

9. The cell-combining device as described in claim 8, characterized in that, The electrode support mechanism includes an electrode support mechanism bracket, an electrode support mechanism mounting plate, an electrode support translation slide block, an electrode support translation drive, an electrode support translation slide plate, an electrode support opening and closing drive, two electrode support arms, and two electrode support fingers. The left and right electrode support mechanisms are fixed within the first opening of the core support panel at both ends of the top cover clamping mechanism. The electrode support mechanism bracket is fixed below the core support panel, and the electrode support mechanism mounting plate is fixed on the electrode support mechanism bracket. The slide rails of the electrode support translation drive and the electrode support translation slide block are both fixed on the electrode support mechanism mounting plate. The electrode support translation slide plate is fixed to the electrode support translation drive. The output end of the electrode support is fixed to the slider of the electrode support translation slide block. The bottom ends of the two electrode support arms are fixed to the output end of the electrode support opening and closing drive. The two electrode support fingers are respectively fixed to the top ends of the two electrode support arms. The electrode support opening and closing drive can drive the two electrode support arms to open with the two electrode support fingers to support the anode or cathode of the battery cell body. The electrode support translation drive can drive the electrode support translation slide block to bring the electrode support opening and closing drive together with the two electrode support arms and the two electrode support fingers into the top cover of the battery cell to support the anode or cathode of the battery cell body.

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