Shell forming device for battery packaging and automatic packaging equipment

Abstract

The utility model relates to the technical field of battery packaging, and provides a shell forming device for battery packaging and automatic packaging equipment. The shell forming device comprises a feeding device, a cutting-off device, a shell punching device and a first moving device, the cutting-off device is used for cutting off the packaging material belt to obtain packaging material sections with the set length, and the shell punching device is used for conducting punch forming on at least two packaging material sections to obtain a packaging shell. The feeding device, the cutting device and the shell punching device are sequentially and adjacently arranged, the shell forming device further comprises a first moving device, and the first moving device is used for moving at least two packaging material sections into the shell punching device from the cutting device at the same time. According to the shell forming device for battery packaging and the automatic packaging equipment provided by the utility model, at least two packaging shells can be punched and formed at one time, the utilization rate of the equipment is high, the production efficiency of products can be improved, the production cost can be reduced, and the application effect is good.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery packaging, and in particular relates to a shell forming device and automatic packaging equipment for battery packaging. Background Art

[0002] In battery packaging, the packaging shell for packaging the battery cell must be formed first. In current packaging equipment, multiple packaging shells are continuously stamped directly on the aluminum-plastic film, with the spacing between the multiple packaging shells being the same, and then each packaging shell is cut. With this structure of first punching and then cutting, since the aluminum-plastic film is a long strip, the ductility of the aluminum-plastic film is poor during the stamping process, and the edges of the packaging shell, especially the concave parts, are prone to shrinkage, resulting in a low yield rate. Utility Model Content

[0003] The purpose of the present utility model is to overcome at least one of the deficiencies of the above-mentioned prior art, and to provide a shell forming device and an automated packaging equipment for battery packaging, which first cuts the material strip and then performs stamping, and can stamp and form at least two packaging shells at a time, which not only ensures the stamping quality, but also has a high equipment utilization rate, which is conducive to improving production efficiency and reducing production costs.

[0004] The technical solution of the utility model is: a shell forming device for battery packaging, comprising:

[0005] A loading device, used for installing packaging tape;

[0006] A cutting device, used for cutting the packaging material strip to obtain packaging material segments of a set length;

[0007] A shell punching device, used for punching and forming at least two of the packaging material segments into a packaging shell;

[0008] The feeding device, the cutting device and the shell punching device are arranged adjacent to each other in sequence, and the shell forming device also includes a first moving device for simultaneously moving at least two packaging material segments from the cutting device to the shell punching device.

[0009] Specifically, the feeding device includes a feeding support plate frame and a mounting roller rotatably connected to the feeding support plate frame; the feeding device also includes a tensioning shaft roller arranged on the feeding support plate frame and used to tension the packaging material belt;

[0010] The loading support plate frame is provided with a gravity guide rail, and the tensioning shaft roller is slidably connected to the gravity guide rail;

[0011] A sensing device for sensing the approach of the tensioning shaft roller is arranged at the lower end of the gravity guide rail.

[0012] Specifically, a guide device is provided between the feeding device and the shell punching device;

[0013] The guide device comprises a guide frame, and the guide frame is provided with two guide blocks which are arranged adjacently and at intervals and have adjustable intervals.

[0014] Specifically, a feed roller assembly is arranged between the guide device and the shell punching device, and the feed roller assembly includes an upper roller and a lower roller, the upper roller and the lower roller are arranged opposite to each other up and down, and the upper roller and the lower roller act on the two sides of the packaging strip respectively.

[0015] Specifically, the shell punching device includes a shell punching frame and a forming mold for simultaneously punching at least two packaging material segments to form a packaging shell, the forming mold includes an upper mold component and a lower mold component, the upper mold component and the lower mold component are both connected to the shell punching frame and are provided with at least two groups of forming structures, the lower mold component is located below the upper mold component, and each of the forming structures is arranged at intervals along the feeding direction; the upper mold component includes a core structure, an upper mold plate and an upper mold push plate, the core structure is fixed or integrally formed on the upper mold plate, and the upper mold push plate is connected to a push plate driving component, and the push plate driving component is used to drive the upper mold push plate to slide up and down relative to the core structure.

[0016] Specifically, the shell punching machine frame is connected with an upper die driving component for driving the die core structure to move downward.

[0017] Specifically, the upper die driving component includes a first screw rod and an upper die driving motor for driving the first screw rod to rotate, and the first screw rod is threadedly connected to the upper die plate of the upper die component;

[0018] The lower mold component includes a lower mold plate, the lower mold plate is provided with a molding groove, and a counter for measuring the number of battery cell shells is provided on one side of the lower mold plate.

[0019] Specifically, the first moving device includes a first slide rail and two first adsorption components that can synchronously slide along the first slide rail, and the two first adsorption components respectively adsorb the packaging material segments and synchronously move them to the shell punching device.

[0020] Specifically, a carrying platform is provided at one side of the cutting device, and the carrying platform has a waiting position for temporarily carrying the packaging material segment transferred by one of the first adsorption components.

[0021] The utility model also provides an automatic packaging device for battery packaging, wherein the automatic packaging device has the shell forming device mentioned above.

[0022] The utility model provides a shell forming device and automatic packaging equipment for battery packaging, which first cuts the material strip and then punches the cut material segments. In this way, the length of the material segments formed after cutting is set and independent, and will not be affected by the pulling of the entire material strip during punching. The punching effect is good, and at least two packaging shells can be punched and formed at one time. The equipment utilization rate is high, which is beneficial to improving product production efficiency, reducing production costs, and having a good application effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0024] Figure 1 It is a three-dimensional diagram of a shell forming device for battery packaging provided by an embodiment of the utility model;

[0025] Figure 2 It is a three-dimensional diagram of a feeding device in a shell forming device for battery packaging provided by an embodiment of the utility model;

[0026] Figure 3 It is a three-dimensional diagram of a first moving device in a shell forming device for battery packaging provided by an embodiment of the utility model;

[0027] Figure 4 It is a top view of a first moving device in a shell forming device for battery packaging provided by an embodiment of the utility model;

[0028] Figure 5 It is a three-dimensional schematic diagram of a shell punching device in a shell forming device for battery packaging provided by an embodiment of the utility model;

[0029] Figure 6 It is a front schematic diagram of a shell punching device in a shell forming device for battery packaging provided by an embodiment of the utility model;

[0030] Figure 7 It is a side schematic diagram of a shell punching device in a shell forming device for battery packaging provided by an embodiment of the utility model;

[0031] Figure 8 It is a three-dimensional schematic diagram of a packaging material segment produced by an automated packaging device for battery packaging provided by an embodiment of the present invention;

[0032] Fig. 9It is a three-dimensional schematic diagram of a packaging shell made by an automated packaging device for battery packaging provided by an embodiment of the present invention. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0034] It should be noted that the terms “setting” and “connection” should be understood in a broad sense. For example, it can be directly setting or connecting, or it can be indirectly setting or connecting through a central component or a central structure.

[0035] In addition, if there are terms such as "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicating orientation or positional relationship in the embodiments of the present invention, they are based on the orientation or positional relationship or the conventional placement state or use state shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the structure, feature, device or element referred to must have a specific orientation or positional relationship, nor must it be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0036] The various specific technical features and embodiments described in the specific implementation methods can be combined in any suitable manner unless there is any contradiction. For example, different implementation methods can be formed by combining different specific technical features / embodiments. In order to avoid unnecessary repetition, the various possible combinations of the specific technical features / embodiments in the present utility model will not be described separately.

[0037] like Figure 1 to Figure 2 As shown, the shell forming device 100 for battery packaging provided by the embodiment of the utility model comprises a feeding device 110, a cutting device 190, a first moving device 180 and a shell punching device 120 which are arranged adjacent to each other in sequence. The feeding device 110 is used to install the packaging material strip 910; the cutting device 190 is used to cut the packaging material strip 910 into a packaging material segment 911 of a set length (such as Figure 8The first moving device 180 is used to simultaneously move at least two packaging material segments 911 from the cutting device 190 to the shell punching device 120, and form at least two packaging shells 920 at one time, which has high production efficiency and is conducive to improving product production efficiency and reducing production costs. The shell punching device 120 is used to punch at least two packaging material segments 911 into battery cell half slots to obtain packaging shells 920 (as shown in FIG. Fig. 9 shown).

[0038] The shell forming device provided in this embodiment first cuts the material strip, and then punches the cut material segments. In this way, the length of the material segments formed after cutting is set and independent, and will not be affected by the pulling of the entire material strip during stamping. The stamping effect is good, and at least two packaging shells can be stamped at one time. The equipment utilization rate is high, which is beneficial to improving product production efficiency, reducing production costs, and having a good application effect.

[0039] Specifically, refer to Figure 1 , 2 The feeding device 110 includes a feeding support plate frame 115 and a mounting roller 111 which is horizontally arranged and rotatably connected to the feeding support plate frame 115. The mounting roller 111 can be optionally connected to a rotation control device, which can rotate in time to avoid excessive discharge of the packaging material strip 910. The feeding device 110 also includes a tensioning shaft roller 114 arranged on the feeding support plate frame 115 for tensioning the packaging material strip 910. The packaging material strip 910 contacts the tensioning shaft roller 114 to keep the packaging material strip 910 at a suitable tension.

[0040] In a specific application, the loading support plate frame 115 can be provided with a gravity guide rail 113, and the gravity guide rail 113 is arranged perpendicular to the table surface (horizontal plane). The tensioning shaft roller 114 is slidably connected to the gravity guide rail 113, and the tensioning shaft roller 114 keeps the packaging material belt 910 with appropriate tension under the action of gravity, with a simple structure and good reliability.

[0041] In specific applications, a sensing 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 rail 113. The sensing device is connected to a loading prompt device. When the tensioning shaft roller 114 falls to the sensing device, the sensing device triggers the loading prompt device. The loading prompt device can be an indicator light or a horn, etc., which can prompt the user (equipment management personnel) through sound or light to promptly check and install a new packaging material strip 910 coil, which is conducive to continuous production.

[0042] Specifically, Figure 1 , Figure 2 As shown, a guide device 116 is provided between the shell punching device 120 and the feeding device 110 . The guide device 116 is used to limit the packaging material strip 910 to prevent the packaging material strip 910 from being offset. The guide device 116 can adopt a spacing-adjustable structure.

[0043] Specifically, the guide device 116 includes a guide frame having two adjacent guide blocks 1161 spaced apart and adjustable in spacing, and the spacing between the two guide blocks 1161 is equal to the width of the packaging material strip 910 , and the structure is simple and reliable.

[0044] Specifically, the guide frame is provided with a guide rail 1162, and the guide rail 1162 is arranged along the width direction (Y direction) of the packaging material strip 910. Each guide block 1161 is adjustably fixedly connected to the guide rail 1162. When the packaging material strip 910 of different (width) specifications is replaced, the distance between the two guide blocks 1161 can be adjusted to adapt, and the equipment has good versatility.

[0045] Specifically, the guide block 1161 is provided with a rounded corner close to the feeding side to facilitate the packaging material strip 910 to smoothly enter the guide device.

[0046] Specifically, refer to Figure 1 , Figure 2 A feeding roller assembly is provided between the guide device 116 and the cutting device 190, and the feeding roller assembly includes an upper roller 1171 and a lower roller 1172, which are arranged opposite to each other up and down, and the upper roller 1171 and the lower roller 1172 act on the two sides of the packaging material strip 910 respectively, that is, the packaging material strip 910 is sandwiched between the upper roller 1171 and the lower roller 1172, so that the packaging material strip 910 can be transported forward (X direction) with high transport accuracy. The upper roller 1171 and the lower roller 1172 are respectively connected to a rotation drive cylinder.

[0047] The cutting device 190 is arranged close to the feeding roller assembly, and is used to cut the packaging material strip 910 to obtain a packaging material segment 911 of a set length. The cutting device 190 can be a cutting knife group for cutting in both upper and lower directions.

[0048] A carrying platform 170 is disposed on one side of the cutting device 190 away from the loading device 110 . The carrying platform 170 has a waiting position 171 for temporarily carrying one of the first moving devices 180 to transfer the packaging material segment 911 .

[0049] Reference Figure 3 The first moving device 180 includes a first slide rail 181 and two first adsorption components 182 that can slide synchronously along the first slide rail 181. The two first adsorption components 182 can respectively adsorb at least two packaging material segments 911 and synchronously move them into the shell punching device 120. The first slide rail 181 can be arranged along the X direction and located on one side of the carrier 170. Specifically, the cutting device 190 and the shell punching frame 120 are arranged along the first slide rail 181.

[0050] Specifically, the first moving device 180 also includes a sliding bracket 183 that can slide along the first slide rail 181, and the first adsorption component 182 is connected to the sliding bracket 183 through a rotating component (suitable for the case where the packaging material segment 911 is rotated 90 degrees and then translated to the shell punching device 120), or the first adsorption component 182 is fixedly connected to the sliding bracket 183 (suitable for the case where the packaging material segment 911 is directly translated to the shell punching device 120).

[0051] Specifically, the sliding bracket 183 is connected to a bracket lifting module 184, and the bracket lifting module 184 can be connected to the first slide rail 181, and the sliding bracket 183 and the first adsorption component 182 can be lifted or lowered, or the first adsorption component 182 is provided with a suction cup lifting module (not shown in the figure). Specifically, the sliding bracket 183 is U-shaped, and two first adsorption components 182 are provided at the ends of the sliding bracket 183, and the first adsorption component 182 is a vacuum suction cup, and the structure is reliable.

[0052] Reference Figure 3 The two first adsorption components 182 are respectively a front adsorption component 1821 and a rear adsorption component 1822; the sliding bracket 183 slides in the positive X direction, and the front adsorption component 1821 close to the cutting device 190 adsorbs the first cut packaging material segment 911 and moves it to the waiting position 171 of the carrier 170, and then, the front adsorption component 1821 is reset to the negative X direction along with the sliding bracket 183, and when the front adsorption component 1821 adsorbs another packaging material segment 911 that is cut later, the rear adsorption component 1822 can simultaneously adsorb the packaging material segment 911 on the waiting position 171, and the front adsorption component 1821 and the rear adsorption component 1822 simultaneously move the packaging material segment 911 into the shell punching device 120, and then reset the cycle, which is highly efficient.

[0053] Reference Figures 5 to 7 The shell punching device includes a shell punching frame 120, a molding die for punching at least two packaging material segments 911 simultaneously to form a packaging shell 920, and the molding die includes an upper mold part 122 and a lower mold part 123. The upper mold part 122 and the lower mold part 123 are both connected to the shell punching frame 120, and the upper mold part 122 and the lower mold part 123 are provided with at least two groups of molding structures, and the lower mold part 123 is located below the upper mold part 122, and each molding structure is arranged at intervals along the feeding direction, and each group of molding structures corresponds to a packaging material strip 910, and is used to punch and mold each packaging material strip 910 at the same time; each group of molding structures is arranged at intervals along the width direction of the packaging material strip 910; in this embodiment, there are two groups of molding structures, and the two groups of molding structures are arranged at intervals along the width direction of the packaging material strip 910, so that the shell punching device 120 can mold two packaging shells 920 at one time, and its production efficiency is high, which is conducive to improving product production efficiency and reducing production costs.

[0054] Specifically, refer to Figure 7 , the upper mold component 122 includes a core structure 1221 (punch), an upper mold plate 1222 and an upper mold push plate 1223, and the core structure 1221 is a molding structure. The core structure 1221 is fixed or integrally formed on the upper mold plate 1222, and the upper mold push plate 1223 is connected to a push plate driving component, and the push plate driving component is used to drive the upper mold push plate 1223 to slide up and down relative to the core structure 1221. In specific applications, the push plate driving component can adopt a screw structure, a linear motor, a hydraulic drive device, a cylinder, etc. The push plate driving component moves the upper mold push plate 1223 downward, pushes the formed packaging shell 920 downward, and falls off from the core structure 1221 to the lower mold plate of the lower mold component 123. Specifically, the shell punching frame 120 is connected to an upper mold driving component for driving the core structure 1221 to move downward. In specific applications, the upper mold driving component can adopt a screw structure, a linear motor, a hydraulic drive device, a cylinder, etc.

[0055] Specifically, the upper mold driving component may include a first screw rod 124 (not shown in the figure) and an upper mold driving motor (not shown in the figure) for driving the first screw rod 124 to rotate. The first screw rod 124 is threadedly connected to the upper mold plate 1222 of the upper mold component 122.

[0056] Specifically, the lower mold component 123 includes a lower mold plate (not shown in the figure), the lower mold plate is provided with a molding groove (not shown in the figure), and a counter (not shown in the figure) for measuring the number of packaging shells is provided on one side of the lower mold plate.

[0057] In specific applications, the upper mold component 122 can be provided with a stroke protection device, which includes an induction switch and an induction structure that moves with the upper mold 1222, and the induction switch is connected to the upper mold drive motor; the induction switch can be a photoelectric sensor or a Hall sensor (magnetic control switch), etc., and the induction structure can be a shading sheet or a magnetic part (magnet) and other structural parts that can trigger the induction switch to prevent the upper mold 1222 from rising or falling beyond the set stroke, with good safety and reliability.

[0058] The utility model also provides an automated packaging device for battery packaging, which has the above-mentioned shell forming device 100. The automated packaging device also includes a battery cell feeding assembly component and a battery cell packaging assembly component. The shell forming device 100 is used to cut and punch the packaging material strip 910 to form a packaging shell 920, the battery cell feeding assembly component is used to transfer the battery cell unit into the packaging shell 920; the battery cell packaging assembly component is used to package the battery cell unit in the packaging shell 920 to form a battery unit.

[0059] The shell forming device and automated packaging equipment for battery packaging provided in this embodiment are compatible with a variety of cylindrical battery cell shell packaging, and the change of type is simple and easy. It can be achieved by changing the corresponding jigs and fixtures, which meets the requirements of production efficiency and has a low cost. The entire line only requires manual regular replenishment of materials, recycling of finished products, and regular maintenance, which can realize full-automatic intelligent production throughout the entire process and has a good application effect.

[0060] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions or improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A shell forming device for battery packaging, characterized in that: include: A loading device, used for installing packaging tape; A cutting device, used for cutting the packaging material strip to obtain packaging material segments of a set length; A shell punching device, used for punching and forming at least two of the packaging material segments into a packaging shell; The feeding device, the cutting device and the shell punching device are arranged adjacent to each other in sequence, and the shell forming device also includes a first moving device for simultaneously moving at least two packaging material segments from the cutting device to the shell punching device.

2. A shell forming device for battery packaging as claimed in claim 1, characterized in that: The feeding device comprises a feeding support plate frame and a mounting roller rotatably connected to the feeding support plate frame; the feeding device also comprises a tensioning shaft roller arranged on the feeding support plate frame and used to tension the packaging material belt; The loading support plate frame is provided with a gravity guide rail, and the tensioning shaft roller is slidably connected to the gravity guide rail; A sensing device for sensing the approach of the tensioning shaft roller is arranged at the lower end of the gravity guide rail.

3. A shell forming device for battery packaging as claimed in claim 1, characterized in that: A guiding device is provided between the feeding device and the shell punching device; The guide device comprises a guide frame, and the guide frame is provided with two guide blocks which are arranged adjacently and at intervals and have adjustable intervals.

4. A shell forming device for battery packaging as claimed in claim 3, characterized in that: A feeding roller assembly is arranged between the guide device and the shell punching device. The feeding roller assembly comprises an upper roller and a lower roller. The upper roller and the lower roller are arranged opposite to each other up and down, and the upper roller and the lower roller act on two sides of the packaging strip respectively.

5. A shell forming device for battery packaging as claimed in claim 1, characterized in that: The shell punching device includes a shell punching frame and a forming mold for simultaneously punching at least two packaging material segments to form a packaging shell, the forming mold includes an upper mold component and a lower mold component, the upper mold component and the lower mold component are both connected to the shell punching frame and are provided with at least two groups of forming structures, the lower mold component is located below the upper mold component, and each of the forming structures is spaced apart along the feeding direction; the upper mold component includes a core structure, an upper mold plate and an upper mold push plate, the core structure is fixed or integrally formed on the upper mold plate, the upper mold push plate is connected to a push plate driving component, and the push plate driving component is used to drive the upper mold push plate to slide up and down relative to the core structure.

6. A shell forming device for battery packaging as claimed in claim 5, characterized in that: The shell punching machine frame is connected with an upper die driving component for driving the die core structure to move downward.

7. A shell forming device for battery packaging as claimed in claim 6, characterized in that: The upper mold driving component comprises a first screw rod and an upper mold driving motor for driving the first screw rod to rotate, and the first screw rod is threadedly connected to the upper mold plate of the upper mold component; The lower mold component includes a lower mold plate, the lower mold plate is provided with a molding groove, and a counter for measuring the number of battery cell shells is provided on one side of the lower mold plate.

8. A shell forming device for battery packaging according to any one of claims 1 to 7, characterized in that: The first moving device comprises a first slide rail and two first adsorption components that can synchronously slide along the first slide rail, and the two first adsorption components respectively adsorb the packaging material segments and synchronously move them to the shell punching device.

9. A shell forming device for battery packaging as claimed in claim 8, characterized in that: A carrying platform is disposed at one side of the cutting device, and the carrying platform has a waiting position for temporarily carrying the packaging material segment transferred by one of the first adsorption components.

10. An automated packaging device for battery packaging, characterized in that: The automated packaging equipment comprises a shell molding device according to any one of claims 1 to 9 .

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