A battery sealing mold

Abstract

The utility model relates to the field of battery processing, and in particular to a battery sealing mold, including a mold body, the mold body is cylindrical, a circular groove is provided in the middle of the end face of the mold body, a through hole is provided at the bottom of the circular groove, and a first arc angle is provided along the top edge of the circular groove. The utility model places the battery where it needs to be sealed in the circular groove, and presses it through the second arc angle along the bottom edge of the circular groove, so that it can avoid the edge being easily crushed by right-angle pressing, and a certain arc will prevent the straight-line pressing from causing cracking and damage, thereby reducing its defect rate. The first arc angle is set along the top edge of the circular groove to avoid sticking to the outer wall of the battery during pressing. If the right-angle edge is slightly moved, it will also be pressed into the battery to cause cracking. The card slot is set for easy fixation, and the specific value is to match the fixed mold to avoid movement during pressing, which may cause damage to the battery.

Description

Technical Field

[0001] The utility model relates to the technical field of battery processing, in particular to a battery sealing mould. Background Art

[0002] Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high environmental requirements. With the development of science and technology, lithium batteries have now become mainstream.

[0003] Therefore, in the process of making lithium batteries, sealing equipment is needed to seal the lithium batteries, and the sealing equipment needs to use a special battery mold for sealing. However, in the existing molds, the battery will be crushed during the pressing process due to problems with the mold, which increases the relative defect rate. Utility Model Content

[0004] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained through the structures specifically pointed out in the description and other drawings of the description.

[0005] The purpose of the utility model is to overcome the above-mentioned shortcomings and provide a battery sealing mold to solve the existing problems.

[0006] To achieve the above-mentioned purpose, the technical solution of the utility model is: a battery sealing mold, including a mold body, the mold body is cylindrical, a circular groove is provided in the middle of the end face of the mold body, a through hole is provided at the bottom of the circular groove, a first arc angle is provided along the top of the circular groove, a second arc angle is provided along the bottom of the circular groove, and a first inward inclination angle is provided along the edges at both ends of the mold body.

[0007] In some embodiments, the through hole is provided with a second outwardly inclined angle along an edge located at one end of the end surface of the mold body.

[0008] In some embodiments, the outer wall of the mold body is provided with multiple slots, the width of the slot is 5±0.05mm, the distance between the bottom of the mold body and the edge of the slot is 3.5±0.05mm, the distance between the top of the mold body and the edge of the slot 2 is 4±0.05mm, and the depth of the slot is 1±0.05mm.

[0009] In some embodiments, the first arc angle turning radius is 0.25 mm.

[0010] In some embodiments, the second arc angle turning radius is 1.2 mm.

[0011] In some embodiments, the length of the right-angle side of the first inclined chamfer is 0.25 mm.

[0012] In some embodiments, the height of the mold body is 12.5±0.05 mm, and the diameter of the end face of the mold body is 24 mm.

[0013] In some embodiments, the through hole has a diameter of 7±0.05 mm.

[0014] In some embodiments, the circular groove has a depth of 2.5 mm.

[0015] By adopting the above technical scheme, the beneficial effect of the utility model is as follows: the utility model places the battery that needs to be sealed in the circular groove, and presses it through the second arc angle along the bottom edge of the circular groove, so that it can avoid the edge being easily crushed due to right-angle pressing. A certain arc will prevent the straight line from being pressed in to cause cracking and damage, thereby reducing its defect rate. The first arc angle is set along the top edge of the circular groove to avoid sticking to the outer wall of the battery during pressing. If the right-angle edge is slightly moved, it will also be pressed into the battery to cause cracking. The card slot is set for easy fixation, and the specific value is to match the fixed mold to avoid movement during pressing, which may cause damage to the battery.

[0016] It is to be understood that the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

[0017] Undoubtedly, these and other objects of the present invention will become more apparent after the following detailed description of the preferred embodiments described with reference to various figures and drawings.

[0018] In order to make the above and other purposes, features and advantages of the present invention more obvious and understandable, one or several preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0020] In the drawings, the same reference numerals are used for the same components and the drawings are schematic and not necessarily drawn to scale.

[0021] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only one or several embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on such drawings without paying creative work.

[0022] Figure 1 It is a schematic diagram of the structure of the mold body of some embodiments of the utility model;

[0023] Figure 2 It is a structural side view of the mold body of some embodiments of the utility model;

[0024] Figure 3 It is a structural cross-sectional view of the mold body of some embodiments of the utility model;

[0025] Figure 4 It is an enlarged view of the structure of A in some embodiments of the utility model. DETAILED DESCRIPTION

[0026] 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 specific implementation methods. It should be understood that the specific implementation methods described here are only used to explain the utility model, but not to limit the utility model.

[0027] In addition, in the description of the present invention, it should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0028] In the present utility model, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral one; it can be directly connected, or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. However, if it is indicated as a direct connection, it means that the two connected bodies are not connected through a transition structure, but are connected to form a whole through a connecting structure. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0029] In the present utility model, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature may be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in an appropriate manner in any one or more embodiments or examples.

[0030] The specific implementation of the present utility model is described below with reference to the accompanying drawings. Example

[0031] Reference Figure 1-4 , Figure 1 It is a schematic diagram of the structure of the mold body of some embodiments of the utility model; Figure 2 It is a structural side view of the mold body of some embodiments of the utility model; Figure 3 It is a structural cross-sectional view of the mold body of some embodiments of the utility model; Figure 4 It is an enlarged view of the structure of A in some embodiments of the utility model.

[0032] The utility model provides a battery sealing mold, comprising a mold body 1, the mold body 1 is cylindrical, a circular groove 11 is provided in the middle of the end face of the mold body 1, a through hole 12 is provided at the bottom of the circular groove 11, a first arc angle 14 is provided along the top of the circular groove 11, a second arc angle 15 is provided along the bottom of the circular groove 11, first inward inclination angles 13 are provided along the edges of both ends of the mold body 1, the through hole 12 is located at one end of the end face of the mold body 1 and is provided with a second outward inclination angle 16 along the edge, a plurality of card grooves 2 are provided on the outer wall of the mold body 1, the width of the card groove 2 is 5±0.05mm, the distance between the bottom of the mold body 1 and the edge of the card groove 2 is 3.5±0.05mm, the distance between the top of the mold body 1 and the edge of the card groove 2 is 4±0.05mm, and the depth of the card groove 2 is 1±0.05mm.

[0033] The battery to be sealed is placed in the circular groove 11, and pressed through the second arc angle 15 along the bottom edge of the circular groove 11. This can avoid the edge being easily crushed due to right-angle pressing. A certain arc will prevent the battery from being pressed in a straight line and causing cracking and damage, thereby reducing its defect rate. A first arc angle 14 is set along the top edge of the circular groove 11 to avoid it from fitting against the outer wall of the battery during pressing. If the right-angle edge is slightly moved, it will also be pressed into the battery and cause cracking. The slot is set for easy fixation, and the specific value is to match the fixed mold to avoid movement during pressing and cause battery damage. Example

[0034] Reference Figure 1-4 , Figure 1 It is a schematic diagram of the structure of the mold body of some embodiments of the utility model; Figure 2 It is a structural side view of the mold body of some embodiments of the utility model; Figure 3 It is a structural cross-sectional view of the mold body of some embodiments of the utility model; Figure 4 It is an enlarged view of the structure of A in some embodiments of the utility model.

[0035] The utility model provides a battery sealing mold, including a mold body 1, the mold body 1 is cylindrical, a circular groove 11 is provided in the middle of the end surface of the mold body 1, a through hole 12 is provided at the bottom of the circular groove 11, a first arc angle 14 is provided along the top of the circular groove 11, a second arc angle 15 is provided along the bottom of the circular groove 11, a first inward inclination angle 13 is provided along the edges of both ends of the mold body 1, and a second outward inclination angle 16 is provided along the edge of the through hole 12 located at one end of the end surface of the mold body 1, a plurality of card slots 2 are provided on the outer wall of the mold body 1, and the width of the card slot 2 is 5±0.05mm. The distance between the bottom of the main body 1 and the edge of the slot 2 is 3.5±0.05mm, the distance between the top of the mold body 1 and the edge of the slot 2 is 4±0.05mm, the depth of the slot 2 is 1±0.05mm, the turning radius of the first arc angle 14 is 0.25mm, the turning radius of the second arc angle 15 is 1.2mm, the length of the right angle side of the chamfer of the first inclined angle 13 is 0.25mm, the height of the mold body 1 is 12.5±0.05mm, the end face diameter of the mold body 1 is 24mm, the caliber of the through hole 12 is 7±0.05mm, and the depth of the circular groove 11 is 2.5mm.

[0036] The specific value of each angle is set to match the pressed battery, avoid battery cracking or damage during pressing, and reduce the defect rate.

[0037] It should be understood that the embodiments disclosed in the present invention are not limited to the specific processing steps or materials disclosed herein, but should be extended to equivalent substitutions of such features understood by ordinary technicians in the relevant field. It should also be understood that the terms used herein are only used for the purpose of describing specific embodiments and are not meant to be limiting.

[0038] The "embodiment" mentioned in the specification means that the specific features or characteristics described in conjunction with the embodiment are included in at least one embodiment of the utility model. Therefore, the phrases or "embodiment" appearing in various places throughout the specification do not necessarily refer to the same embodiment.

[0039] In addition, the described features or characteristics may be combined in one or more embodiments in any other suitable manner. In the above description, some specific details, such as thickness, quantity, etc., are provided to provide a comprehensive understanding of the embodiments of the utility model. However, those skilled in the relevant art will understand that the utility model can be implemented without one or more of the above specific details or can also be implemented using other methods, components, materials, etc.

Claims

1. A battery sealing mold, characterized in that: include: The mold body is cylindrical, with a circular groove in the middle of the end face of the mold body, a through hole at the bottom of the circular groove, a first arc angle along the top of the circular groove, a second arc angle along the bottom of the circular groove, and a first inward inclination angle along the two ends of the mold body.

2. The battery sealing mold according to claim 1, characterized in that: The through hole is provided with a second outwardly inclined angle along an edge thereof at one end of the end surface of the mold body.

3. The battery sealing mold according to claim 1, characterized in that: The outer wall of the mold body is provided with a plurality of slots, the width of the slots is 5±0.05mm, the distance between the bottom of the mold body and the edge of the slots is 3.5±0.05mm, the distance between the top of the mold body and the edge of the slots is 4±0.05mm, and the depth of the slots is 1±0.05mm.

4. The battery sealing mold according to claim 1, characterized in that: The turning radius of the first arc angle is 0.25 mm.

5. The battery sealing mold according to claim 1, characterized in that: The turning radius of the second arc angle is 1.2 mm.

6. The battery sealing mold according to claim 1, characterized in that: The length of the right-angle side of the first inclined chamfer is 0.25 mm.

7. The battery sealing mold according to claim 1, characterized in that: The height of the mold body is 12.5±0.05 mm, and the diameter of the end face of the mold body is 24 mm.

8. The battery sealing mold according to claim 1, characterized in that: The through hole diameter is 7±0.05 mm.

9. The battery sealing mold according to claim 1, characterized in that: The depth of the circular groove is 2.5 mm.

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