Automatic packaging equipment for battery packaging

Abstract

The utility model relates to the technical field of battery packaging, and provides automatic packaging equipment for battery packaging. The automatic packaging equipment comprises a cutting and shell punching mechanism, a trimming mechanism, a battery cell feeding mechanism, a battery cell packaging mechanism and a battery unit testing mechanism, the cutting and shell punching mechanism comprises a packaging material belt feeding device, a cutting-off device, a shell punching device and a moving device. The battery cell feeding mechanism comprises a battery cell unit feeding device and at least two packaging shell clamping devices; the battery cell packaging mechanism comprises a packaging rack, a turntable base which is arranged at the lower end of the packaging rack and can drive the packaging rack to rotate, a rotation driving part for driving the turntable base to rotate, and at least two groups of heat sealing assemblies which are arranged on the packaging rack and are arranged back to back along the packaging rack; and each group of heat sealing assemblies comprises two heat sealing parts which are arranged side by side at an interval. The automatic packaging equipment for battery packaging is compact in structure, high in product production efficiency, low in production cost and good in application effect.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery packaging, and particularly relates to an automatic packaging device for battery packaging. Background Art

[0002] In current battery packaging, most of the aluminum plastic films adopt a single-step stamping and single-step packaging method, that is, only one packaging shell is formed at a time, only one packaging shell can be clamped at a time, and only one packaging shell containing a battery cell unit can be heat-sealed at a time. Moreover, the shell punching and packaging are carried out separately. After the battery cell is placed in the packaging shell, the two packaging shells are closed and hot-pressed. Such a manufacturing process makes the equipment more complex and larger, and there are problems of low production efficiency, high production cost, and inconvenient equipment maintenance. Content of the Utility Model

[0003] The purpose of the utility model is to at least overcome the deficiencies of the above-mentioned prior art, and provides an automatic packaging device for battery packaging, which has high equipment utilization rate and is beneficial to improving production efficiency and reducing production cost.

[0004] The technical solution of the utility model is: an automatic packaging device for battery packaging, comprising:

[0005] A cutting and shell punching mechanism for cutting off the packaging tape and punching to form a packaging shell;

[0006] A trimming mechanism for trimming the packaging shell to obtain the packaging shell with a set size;

[0007] A battery cell feeding mechanism for transferring the battery cell unit into the packaging shell;

[0008] A battery cell packaging mechanism for packaging the battery cell unit in the packaging shell to form a battery unit;

[0009] And, a battery unit testing mechanism;

[0010] Wherein, the cutting and shell punching mechanism comprises:

[0011] A packaging tape feeding device for installing and conveying the packaging tape;

[0012] A cutting device for cutting off the packaging tape to obtain a packaging tape section with a set length;

[0013] A shell punching device for stamping the packaging tape section into a packaging shell;

[0014] A moving device for moving the packaging tape section into the shell punching device;

[0015] The battery cell feeding mechanism comprises:

[0016] The battery cell unit feeding device is used to transfer the battery cell unit into the encapsulation housing;

[0017] At least two encapsulation housing clamping devices are used to clamp the encapsulation housings containing the battery cell units;

[0018] The battery cell encapsulation mechanism includes an encapsulation machine frame, a turntable base arranged at the lower end of the encapsulation machine frame and capable of driving the encapsulation machine frame to rotate, a rotation driving component for driving the rotation of the turntable base, and at least two groups of heat sealing components arranged on the encapsulation machine frame. The at least two groups of heat sealing components are arranged back to back along the encapsulation bracket. Each group of heat sealing components includes two heat sealing parts arranged side by side and at intervals. The two heat sealing parts are respectively used to flatten the two end tabs of the battery cell in the clamped encapsulation housing, and simultaneously heat seal the two ends of the clamped encapsulation housing.

[0019] Specifically, the moving device includes a supporting table, a first sliding rail, and two first adsorption components that can slide synchronously along the first sliding rail. The first sliding rail and the first adsorption components are arranged above the supporting table. The two first adsorption components respectively adsorb at least two of the encapsulation material segments and synchronously move them into the shell punching device.

[0020] Further, the moving device includes a second sliding rail and a second adsorption component that can slide synchronously along the second sliding rail. The second sliding rail and the second adsorption component are arranged below the supporting table. The supporting table has a hollow design. The second adsorption component adsorbs the encapsulation material segment to directly below the first adsorption component that is far from the encapsulation material belt feeding device.

[0021] Further, the moving device further includes a sliding bracket. The first adsorption component is connected to the sliding bracket through a rotating component; or, the first adsorption component is fixedly connected to the sliding bracket.

[0022] Specifically, the shell punching device includes a shell punching machine frame and a forming die for simultaneously punching at least two of the encapsulation material segments to form an encapsulation housing. The forming die includes an upper die part and a lower die part. The upper die part and the lower die part are both connected to the shell punching machine frame. The lower die part is located below the upper die part. The forming die is at least two groups, and the two groups of forming dies are arranged at intervals along the feeding direction.

[0023] Further, the upper die part includes a die core structural member, an upper template, and an upper die push plate. The die core structural member is fixed or integrally formed on the upper template. The upper die push plate is connected with a push plate driving component, and the push plate driving component is used to drive the upper die push plate to slide up and down relative to the die core structural member.

[0024] Specifically, the trimming mechanism is vertically arranged with respect to the shell punching device, and the trimming mechanism and the encapsulation shell clamping device are horizontally arranged.

[0025] Further, the trimming mechanism includes a trimming machine frame, a first manipulator arranged on the front side of the trimming machine frame, an upper knife vertical plate arranged on the trimming machine frame, an upper cutting knife component arranged on the upper knife vertical plate, and a lower cutting knife component arranged on the trimming machine frame and facing the upper cutting knife component. The upper cutting knife component is connected to a trimming driving component.

[0026] Specifically, the upper end of the encapsulation machine frame is an encapsulation machine box, and the lower end is a chassis. A mounting frame is vertically arranged between the encapsulation machine box and the chassis, and at least two heat sealing components are arranged back to back on the mounting frame.

[0027] Specifically, the encapsulation tape feeding device includes a feeding support plate frame, a mounting roller horizontally arranged and rotatably connected to the feeding support plate frame, and a tensioning shaft roller for tensioning the encapsulation tape;

[0028] The feeding support plate frame is provided with a gravity guide rail, and the tensioning shaft roller is slidably connected to the gravity guide rail.

[0029] The automatic encapsulation device for battery encapsulation provided by the present invention has high equipment utilization rate and compact structure. While improving the production efficiency of products and reducing production costs, it is convenient for equipment maintenance and upkeep, and has good application effects. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings in the following description are only some embodiments of the present invention. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0031] Figure 1 is a three-dimensional schematic diagram of an automatic encapsulation device for battery encapsulation provided by an embodiment of the present invention;

[0032] Figure 2 is a three-dimensional schematic diagram of an encapsulation tape section manufactured by an automatic encapsulation device for battery encapsulation provided by an embodiment of the present invention;

[0033] Figure 3 is a three-dimensional schematic diagram of an encapsulation shell manufactured by an automatic encapsulation device for battery encapsulation provided by an embodiment of the present invention;

[0034] Figure 4 is a three-dimensional view of a cutting and shell punching mechanism in an automatic encapsulation device for battery encapsulation provided by an embodiment of the present invention;

[0035] Figure 5 is a three-dimensional schematic diagram of a shell punching device in an automatic packaging device for battery packaging provided by an embodiment of the present utility model;

[0036] Figure 6 is a front schematic diagram of a shell punching device in an automatic packaging device for battery packaging provided by an embodiment of the present utility model;

[0037] Figure 7 is a side schematic diagram of a shell punching device in an automatic packaging device for battery packaging provided by an embodiment of the present utility model;

[0038] Figure 8 is a three-dimensional diagram of a packaging tape feeding device in an automatic packaging device for battery packaging provided by an embodiment of the present utility model;

[0039] Figure 9 is a three-dimensional diagram of a moving device in an automatic packaging device for battery packaging provided by an embodiment of the present utility model;

[0040] Figure 10 is a three-dimensional schematic diagram of a trimming mechanism in an automatic packaging device for battery packaging provided by an embodiment of the present utility model;

[0041] Figure 11 is a planar schematic diagram of a trimming mechanism in an automatic packaging device for battery packaging provided by an embodiment of the present utility model;

[0042] Figure 12 is a three-dimensional schematic diagram of a packaging mechanism in an automatic packaging device for battery packaging provided by an embodiment of the present utility model. Detailed implementation manners

[0043] In order to make the purpose, technical solutions and advantages of the present utility model clearer, the present utility model 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 only used to explain the present utility model and are not used to limit the present utility model.

[0044] It should be noted that the terms "set" and "connected" should be understood in a broad sense. For example, it can be directly set and connected, or indirectly set and connected through intermediate components and intermediate structures.

[0045] In addition, in the embodiments of the present utility model, if there are terms indicating orientation or positional relationships such as "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., they are based on the orientation or positional relationships shown in the drawings or the conventional placement state or use state. They are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the structures, features, devices or elements referred to must have a specific orientation or positional relationship, nor must they be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two.

[0046] In the various specific technical features and each embodiment described in the specific implementation manners, without contradiction, they can be combined in any suitable manner. For example, different embodiments can be formed by combining different specific technical features / embodiments. To avoid unnecessary repetition, the various possible combination manners of the various specific technical features / embodiments in the present utility model will not be described separately.

[0047] Referring to Figure 1 As shown, an automatic packaging device for battery packaging provided by an embodiment of the present utility model includes a cutting and shell punching mechanism 100, a trimming mechanism 420, a battery core feeding mechanism 200, a battery core packaging mechanism 300, and a battery unit testing mechanism 500. In this embodiment, the packaging tape 910 is taken as an aluminum-plastic film tape. The packaging tape 910 can be blanked to form a packaging shell 920 (refer to Figure 3 shown), that is, an aluminum-plastic film shell for battery core packaging. Each packaging shell 920 has two semi-cylindrical slots, that is, battery core half-slots. The two slots are symmetrically distributed on both sides of the midline of the packaging shell along the length direction. The packaging shell 920 can be closed along the midline to package the battery core in the packaging shell. The cutting and shell punching mechanism 100 is used to cut the packaging tape and punch to form a packaging shell. The trimming mechanism 420 is used to trim the excess tape around the packaging shell 920. The battery core feeding mechanism 200 is used to transfer the battery core unit into the packaging shell 920. The battery core packaging mechanism 300 is used to package the battery core unit in the packaging shell 920 to form a battery unit. The battery unit testing mechanism 500 is used to test whether the voltage, current, etc. of the battery unit are stable. The cutting and shell punching mechanism 100 includes a packaging tape feeding device 110, a cutting device 190, a shell punching device 120, and a moving device 180. The packaging tape feeding device 110 is used to install the packaging tape 910 and convey the packaging tape 910. The cutting device 190 is used to cut the packaging tape 910 to form a packaging tape section 911 of a set length (refer to Figure 2As shown in the figure; the shell punching device 120 is used to punch the packaging material section 911 into a semi-groove of the battery cell to obtain the packaging shell 920; the moving device 180 is used to simultaneously move at least two packaging material sections 911 into the shell punching device 120; the moving device includes a first slide rail 181 and two first adsorption components 182 that can slide synchronously along the first slide rail 181. Each first adsorption component 182 adsorbs a packaging material section 911 and synchronously moves it to the shell punching device 120. The two first adsorption components 182 are synchronously transferred, with high efficiency, which is conducive to improving the packaging efficiency. After the packaging material section 911 is punched, it forms the packaging shell 920. The packaging shell 920 is transferred to the trimming mechanism 420, and the trimming mechanism 420 is used to trim the packaging shell 920. The battery cell feeding mechanism 200 is used to transfer the battery cell (not shown) into the packaging shell 920; the packaging shell 920 containing the battery cell is transferred into the clamping device of the packaging shell 920 (not shown), so that the packaging shells 920 containing the battery cells are clamped. The clamped packaging shell 920 is transferred to the battery cell packaging mechanism 300. The battery cell packaging mechanism includes a packaging rack 310, a turntable base 320 provided at the lower end of the packaging rack 310 and capable of driving the packaging rack 310 to rotate, a rotation driving component 330 for driving the turntable base 320 to rotate, and at least two sets of heat sealing components 340 provided on the packaging rack 310. The two sets of heat sealing components 340 are arranged back-to-back along the packaging bracket. Each set of heat sealing components 340 includes two heat sealing components 341 arranged side by side and at intervals. The two heat sealing components 341 are respectively used to flatten the two end tabs of the battery cell in the clamped packaging shell 920, and simultaneously heat seal the two ends of the clamped packaging shell 920. After heat sealing, the battery cell unit is transferred to the battery unit testing mechanism 500 to perform voltage / current stability testing on the aforementioned battery cell unit.

[0048] Specifically, referring to Figure 9 As shown in the figure, the moving device 180 includes a supporting table 183, a first slide rail 181, and two first adsorption components 182 that can slide synchronously along the first slide rail 181. The first slide rail 181 and the first adsorption components 182 are provided above the supporting table 183. The two first adsorption components 182 respectively adsorb at least two packaging material sections 911 and synchronously move them into the shell punching device 120. The packaging material section 911 is transferred by means of vacuum adsorption, with a simple structure and high efficiency.

[0049] Specifically, referring to Figure 9 As shown in the figure, the moving device 180 includes a second slide rail (not shown) and a second adsorption component (not shown) that can slide synchronously along the second slide rail. The second slide rail and the second adsorption component are provided below the supporting table 183. The supporting table 183 has a hollow design. The second adsorption component adsorbs the packaging material section 911 to directly below the first adsorption component 182 of the packaging material feeding device 110 away from the packaging material tape 910.

[0050] Specifically, referring to Figure 9 As shown, the mobile device 180 further includes a sliding bracket 184. The first adsorption component 182 is connected to the sliding bracket 184 through a rotating component 185; alternatively, the first adsorption component 182 is fixedly connected to the sliding bracket 184, and the first adsorbent 182 is connected to the sliding bracket 184. The first adsorption component 182 is driven to slide by the sliding of the sliding bracket 184, so as to adsorb the encapsulation material section 911 to a specified position. Among them, the sliding bracket 184 is U-shaped, and two first adsorption components 182 are arranged at the ends of the sliding bracket 184, and the first adsorption component 182 is a vacuum chuck, with a reliable structure.

[0051] In a specific application, referring to Figure 8 As shown, a carrying platform 170 is provided on a side of the cutting device 190 away from the encapsulation material tape feeding device 110, and the carrying platform 170 has a waiting position 171; referring to Figure 9 As shown, the two first adsorption components 182 are respectively a front adsorption component 1821 and a rear adsorption component 1822; the sliding bracket 186 slides in the positive X direction, and the second adsorption component 184 adsorbs the first-cut encapsulation material section 911 and moves it to the waiting position 171 of the carrying platform 170. The waiting position 171 is directly below the rear adsorption component 1822. Then, when the front adsorption component 1821 adsorbs another encapsulation material section 911 that has been cut later, the rear adsorption component 1822 can simultaneously adsorb the encapsulation material section 911 on the waiting position 171. The front adsorption component 1821 and the rear adsorption component 1822 simultaneously move the encapsulation material section 911 into the shell punching device 120 and then reset and cycle, with high efficiency.

[0052] Specifically, the shell punching device 120 includes a shell punching machine frame 121 and a forming die for simultaneously punching at least two encapsulation material sections 911 to form an encapsulation shell 920. The forming die includes an upper die component 122 and a lower die component 123. Both the upper die component 122 and the lower die component 123 are connected to the shell punching machine frame 121. The lower die component 123 is located below the upper die component 122. There are at least two sets of forming dies, and the two sets of forming dies are arranged at intervals along the feeding direction.

[0053] Specifically, referring to Figures 4 - 7 As shown, a guiding device 116 is provided between the shell punching machine frame 121 and the encapsulation material tape feeding device 110 to prevent the encapsulation material tape 910 from being offset. The guiding device 116 can adopt a structure with adjustable spacing.

[0054] Specifically, referring to Figure 4 As shown, the guiding device 116 includes a guiding machine frame. There are two adjacent and spaced guiding blocks 1161 on the guiding machine frame, and the spacing between the two guiding blocks 1161 is equal to the width of the encapsulation material tape 910, with a simple and reliable structure.

[0055] Specifically, referring toFigure 4 As shown, the guiding frame is provided with a guiding slide rail 1162, which is arranged along the width direction (Y direction) of the packaging tape 910. Each guiding block 1161 is adjustably and fixedly connected to the guiding slide rail 1162. When replacing packaging tapes 910 of different (width) specifications, the distance between the two guiding blocks 1161 can be adaptively adjusted, and the equipment has good versatility.

[0056] Specifically, the guiding block 1161 is provided with a rounded corner near the feeding side, and the guiding effect of the guiding device 116 is better.

[0057] Specifically, referring to Figure 8 As shown, a feeding roller assembly is arranged between the guiding device 116 and the shell punching frame 121. The feeding roller assembly includes an upper roller 1171 and a lower roller 1172, which are arranged oppositely up and down. The upper roller 1171 and the lower roller 1172 act on both sides of the packaging tape 910 respectively, that is, the packaging tape 910 is clamped between the upper roller 1171 and the lower roller 1172, so that the packaging tape 910 can be transported forward (X direction) with high transportation accuracy. The upper roller 1171 and the lower roller 1172 are respectively connected with a rotation driving cylinder.

[0058] Specifically, referring to Figure 4 As shown, a cutting device 190 is arranged on one side of the shell punching frame 120. The cutting device 190 is located between the guiding device 116 and the shell punching frame 120, and is used to cut the packaging tape 910 to obtain a packaging tape section 911 of a set length. The cutting device 190 can be a cutter group for cutting up and down.

[0059] Specifically, a moving device 180 is arranged on one side (the back side) of the shell punching frame 120, which is used to simultaneously move at least two packaging tape sections 911 from the feeding direction into the upper die part 122 and the lower die part 123 of the shell punching device.

[0060] Specifically, referring to Figure 7 As shown, the upper die part 122 includes a die core structural member 1221 (punch), an upper template 1222 and an upper die push plate 1223. The die core structural member 1221 is fixed or integrally formed on the upper template 1222. The upper die push plate 1223 is connected with a push plate driving component (not shown), and the push plate driving component is used to drive the upper die push plate 1223 to slide up and down relative to the die core structural member 1221. In specific applications, the push plate driving component can adopt a lead screw structure, a linear motor, a hydraulic driving device, a cylinder, etc. The push plate driving component makes the upper die push plate 1223 move downward, and pushes the formed packaging shell 920 downward to fall off from the die core structural member 1221 onto the lower template of the lower die part 123.

[0061] Specifically, the shell punching frame 120 is connected with an upper die driving component for driving the die core structural component 1221 to move downward. In specific applications, the upper die driving component can adopt a lead screw structure, a linear motor, a hydraulic driving device, a cylinder, etc.

[0062] Specifically, the lower die component 123 includes a lower template (not shown in the figure), the lower template is provided with a forming groove (not shown in the figure), and one side of the lower template is provided with a counter (not shown in the figure) for measuring the number of encapsulated shells.

[0063] In specific applications, the upper die component 122 can be provided with a stroke protection device. The stroke protection device includes an induction switch and an induction structure that follows the upper template 1222. The induction switch is connected to the upper die driving motor; the induction switch can be an optoelectronic sensor or a Hall sensor (magnetic control switch), etc., and the induction structure can be a light shielding sheet or a magnetic part (magnet), etc., which are structural parts that can trigger the induction switch to prevent the upper template 1222 from lifting and lowering beyond the set stroke, with good safety and reliability.

[0064] Specifically, referring to Figure 1 As shown, the trimming mechanism 420 is arranged on the battery cell encapsulation mechanism 300 or on the cutting and shell punching mechanism 100. The trimming mechanism 420 is vertically arranged with the shell punching device 120, and the trimming mechanism 420 is horizontally arranged with the encapsulation shell clamping device.

[0065] Specifically, referring to Figures 10 - 11 As shown, the trimming mechanism 420 includes a trimming frame 421, an upper knife vertical plate 422, an upper cutting knife component 423 and a lower cutting knife component 424. The upper knife vertical plate 422 is arranged on the trimming frame 421. The upper cutting knife component 423 is arranged on the upper knife vertical plate 422 and is connected with a trimming driving component. The lower cutting knife component 424 is arranged on the trimming frame 421 and is opposite to the upper cutting knife component 423. The upper cutting knife component 423 can move up and down under the drive of the trimming driving component and cooperate with the lower cutting knife component 424 to perform trimming. The trimming mechanism 420 has two sets of the above cutting knife structures, which can simultaneously trim two encapsulated shells 920 to make the edges of the encapsulated shells 920 flat.

[0066] Specifically, referring to Figure 12The upper end of the shown encapsulation rack 310 is an encapsulation chassis 311, and the lower end is a chassis 312. A mounting rack 313 is vertically arranged between the encapsulation chassis 311 and the chassis 312. At least two heat-sealing components 340 are arranged back to back on the mounting rack 310. A turntable base 320 for driving the encapsulation rack 310 to rotate is provided at the lower end of the encapsulation rack 310. The turntable base 320 is driven by a rotary driving component 330. The rotary driving component 330 may include a driving motor (which can be a servo motor / stepping motor, etc.), and may also include transmission components such as a speed reducer. Multiple groups of heat-sealing components 340 can be installed on the mounting rack 313. Half of the heat-sealing components 340 are arranged on the front of the mounting rack 313, and half of the heat-sealing components 340 are arranged on the back of the mounting rack 313. Each heat-sealing component 340 includes two heat-sealing parts 341 arranged side by side and at intervals. The two heat-sealing parts 341 are used to flatten the left and right end tabs of the battery core in the clamped encapsulation shell 920, and at the same time heat-seal both ends of the clamped encapsulation shell 920. During the flattening and heat-sealing process, the rotary driving component 330 drives the encapsulation rack 310 to rotate. In this embodiment, there are four groups of heat-sealing components 340, and two pairs of heat-sealing components 340 are arranged back to back on the mounting rack 313. The four groups of heat-sealing components 340 can rotate around the central axis. While two groups of heat-sealing components 340 receive two encapsulation shells 920, the other two groups of heat-sealing components 340 transfer the two heat-sealed encapsulation shells 920 to the battery unit testing mechanism 500. While the encapsulation device rotates around the central axis, the heat-sealing components 340 heat-seal both ends of the encapsulation shell 920 containing the battery core unit, saving time and having high encapsulation efficiency.

[0067] Specifically, the heat-sealing part 341 includes an upper head component 3411 and a lower head component 3412 arranged up and down relatively. The upper head component 3411 includes an adjusting plate 3413 arranged on the mounting rack 313, an upper heat-insulating part 3414 arranged at the lower end of the adjusting plate 3413, and an upper head 3415 arranged at the lower end of the upper heat-insulating part 3414; the lower head component 3412 includes a lower head 3416 and a lower heat-insulating part 3417 arranged at the lower end of the lower head 3416. The lower heat-insulating part 3417 is fixedly arranged on the chassis 312. Heating devices (not shown) are arranged in both the upper head 3415 and the lower head 3416. The lower end of the upper head 3415 is in a stepped shape, and the lower end of the upper head 3415 is in a stepped shape, compressing the edge of the clamped encapsulation shell 920 to make it more fitting.

[0068] Of course, in specific applications, an adsorption component (not shown) is provided at the upper end of the lower head 3416. The adsorption component is used to fix the heat-sealed and clamped encapsulation shell 920. In actual applications, other methods can also be used to fix the encapsulation shell 920.

[0069] Specifically, referring to Figure 8As shown in the figure, the encapsulation tape feeding device 110 includes a feeding support plate frame 115 and an installation roller 111 that is horizontally arranged and rotatably connected to the feeding support plate frame 115. The installation roller 111 can be optionally connected with a rotation control device and can rotate timely to avoid excessive discharge of the encapsulation tape 910. The encapsulation tape feeding device 110 further includes a tensioning shaft roller 114 arranged on the feeding support plate frame 115 for tensioning the encapsulation tape 910. The encapsulation tape 910 is in contact with the tensioning shaft roller 114 to keep the encapsulation tape 910 under appropriate tension.

[0070] In specific applications, the feeding support plate frame 115 can be provided with gravity guides 113, which are arranged perpendicular to the tabletop (horizontal plane). The tensioning shaft roller 114 is slidably connected to the gravity guides 113, and the tensioning shaft roller 114 keeps the encapsulation tape 910 under appropriate tension under the action of gravity, with a simple structure and good reliability.

[0071] In specific applications, an induction device (not shown in the figure) for sensing the approach of the tensioning shaft roller 114 can be provided at the lower end of each gravity guide 113. The induction device is connected with a feeding prompt device. When the tensioning shaft roller 114 drops to the position of the induction device, the induction device triggers the feeding prompt device. The feeding prompt device can be an indicator light or a horn, etc., and can prompt the user (equipment management personnel) to check and install a new roll of the encapsulation tape 910 in time through sound or light, which is beneficial to continuous production.

[0072] An automatic encapsulation device for battery encapsulation provided in this embodiment can be compatible with the punching and shell encapsulation of various cylindrical battery cores, and the tool change is also simple and easy. It can be achieved by changing the corresponding jigs and fixtures, meeting the requirements of production efficiency, and having a low cost. The whole line only needs manual feeding of materials at regular intervals, recycling of finished products, and regular maintenance, and can realize the full-automatic and intelligent production of the whole process, with good application effects.

[0073] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, or improvements made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An automated encapsulation device for battery encapsulation, characterized in that, Comprising: A cutting and shell punching mechanism for cutting off the packaging tape and punching to form a packaging shell; A trimming mechanism for trimming the packaging shell to obtain the packaging shell of a set size; A battery cell loading mechanism for transferring battery cell units into the packaging shell; A battery cell packaging mechanism for packaging the battery cell units in the packaging shell to form battery units; And a battery unit testing mechanism; Wherein, the cutting and shell punching mechanism includes: A packaging tape loading device for installing and conveying the packaging tape; A cutting device for cutting off the packaging tape to obtain a packaging tape section of a set length; A shell punching device for stamping the packaging tape section into a packaging shell; A moving device for moving the packaging tape section into the shell punching device; The battery cell loading mechanism includes: A battery cell unit loading device for transferring the battery cell units into the packaging shell; At least two packaging shell clamping devices for clamping the packaging shells containing the battery cell units; The battery cell packaging mechanism includes a packaging machine frame, a turntable base provided at the lower end of the packaging machine frame and capable of driving the packaging machine frame to rotate, a rotation driving component for driving the turntable base to rotate, and at least two groups of heat sealing components provided on the packaging machine frame. The at least two groups of heat sealing components are arranged back to back along the packaging bracket. Each group of heat sealing components includes two heat sealing parts arranged side by side and at intervals. The two heat sealing parts are respectively used for flattening the two end tabs of the battery cell in the clamped packaging shell and simultaneously heat sealing the two ends of the clamped packaging shell.

2. The automated packaging device for battery packaging according to claim 1, wherein, The moving device includes a supporting table, a first sliding rail, and two first adsorption components capable of sliding synchronously along the first sliding rail. The first sliding rail and the first adsorption components are arranged above the supporting table. The two first adsorption components respectively adsorb at least two packaging tape sections and synchronously move them into the shell punching device.

3. The automated encapsulation device for battery encapsulation according to claim 2, wherein The moving device includes a second sliding rail and a second adsorption component capable of sliding synchronously along the second sliding rail. The second sliding rail and the second adsorption component are arranged below the supporting table. The supporting table has a hollow design. The second adsorption component adsorbs the packaging tape section to directly below the first adsorption component away from the packaging tape loading device.

4. An automated packaging device for battery packaging according to any one of claims 2-3, characterized in that, The moving device further includes a sliding bracket. The first adsorption component is connected to the sliding bracket through a rotating component; or, the first adsorption component is fixedly connected to the sliding bracket.

5. An automated packaging device for battery packaging according to claim 1, characterized in that, The shell punching device includes a shell punching machine frame and a forming die for simultaneously stamping at least two packaging tape sections to form a packaging shell. The forming die includes an upper die part and a lower die part. The upper die part and the lower die part are both connected to the shell punching machine frame. The lower die part is located below the upper die part. The forming die is at least two groups, and the two groups of forming dies are arranged at intervals along the feeding direction.

6. An automated packaging device for battery packaging according to claim 5, characterized in that, The upper die part includes a die core structural member, an upper template, and an upper die pushing plate. The die core structural member is fixed or integrally formed on the upper template. The upper die pushing plate is connected with a pushing plate driving component, and the pushing plate driving component is used for driving the upper die pushing plate to slide up and down relative to the die core structural member.

7. An automated packaging device for battery packaging according to claim 1, characterized in that, The trimming mechanism is vertically arranged with respect to the shell punching device, and the trimming mechanism is horizontally arranged with respect to the encapsulation shell clamping device.

8. An automated packaging device for battery packaging according to claim 7, characterized in that, The trimming mechanism includes a trimming machine frame, a first manipulator arranged on the front side of the trimming machine frame, an upper knife vertical plate arranged on the trimming machine frame, an upper cutting knife component arranged on the upper knife vertical plate, and a lower cutting knife component arranged on the trimming machine frame and facing the upper cutting knife component. The upper cutting knife component is connected with a trimming driving component.

9. An automated packaging device for battery packaging according to claim 1, characterized in that, The upper end of the encapsulation machine frame is an encapsulation machine case, and the lower end is a chassis. A mounting frame is vertically arranged between the encapsulation machine case and the chassis, and at least two heat sealing components are arranged back to back on the mounting frame.

10. An automated packaging device for battery packaging according to claim 1, characterized in that, The encapsulation tape feeding device includes a feeding support plate frame, a mounting roller arranged horizontally and rotatably connected to the feeding support plate frame, and a tensioning shaft roller for tensioning the encapsulation tape; The feeding support plate frame is provided with a gravity guide rail, and the tensioning shaft roller is slidably connected to the gravity guide rail.

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