Capping device

Abstract

The utility model provides a cover pressing device, which comprises a fixed base provided with a fixed plate for placing a battery; the hold-down structure is movably arranged on the fixed base and comprises a hold-down main body and a gland assembly, the hold-down main body is provided with a mounting groove with an opening facing the fixed plate, and the gland assembly is movably arranged in the mounting groove, so that the hold-down main body moves to the position in contact with the fixed plate to form a containing cavity; the evacuating assembly is connected with the hold-down fixture main body, is communicated with the accommodating cavity and is used for extracting air in the accommodating cavity, so that the interior of the accommodating cavity is in a vacuum state, and the cover pressing assembly is used for pressing an upper cover of the battery in the accommodating cavity; the problem that the total height of a battery is easy to exceed the standard when an upper cover of the battery is pressed under normal pressure in the prior art is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pressing covers, in particular to a pressing cover device. Background Art

[0002] Currently, semi-sealed button-type batteries typically undergo manual capping after liquid injection and rest. The battery is then placed in a height-limiting mold. A flat-top capping mold presses the top cap to the desired height, and a cylinder maintains pressure to prevent the top cap from rebounding. In actual production, some air remains inside the battery during capping, ensuring that the top cap meets the required height even with the cylinder maintaining pressure.

[0003] However, after standing still at normal pressure for a period of time, the battery cover often shifts due to the pressure of the internal air, eventually causing the total height of the battery to exceed the standard. At present, the problem of excessive battery height caused by poor process has been difficult to solve. Screening is usually carried out by selecting samples, which often causes great waste and labor losses. According to the previous conventional process technology, pressing the cover under normal pressure will cause a generally higher probability of the total height of the battery exceeding the standard. Utility Model Content

[0004] The main purpose of the utility model is to provide a cover pressing device to solve the problem in the prior art that the total height of the battery may exceed the standard when pressing the battery cover under normal pressure.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a pressing device, comprising: a fixed base, having a fixed plate for placing batteries; a press structure, movably arranged on the fixed base, the press structure comprising a press body and a pressing assembly, the press body having a mounting groove opening toward the fixed plate, the pressing assembly being movably arranged in the mounting groove so that the press body moves to a position in contact with the fixed plate to form a accommodating cavity; an evacuation assembly, connected to the press body and communicated with the accommodating cavity, for extracting air from the accommodating cavity so that the accommodating cavity is in a vacuum state, and the pressing assembly presses the upper cover of the battery located in the accommodating cavity.

[0006] Furthermore, the cover pressing assembly includes: a mounting block; and a plurality of pressing blocks which are spaced apart on the mounting block so that the mounting block drives the plurality of pressing blocks to move to a position where they contact and clamp the upper cover of the battery.

[0007] Furthermore, the pressure cover assembly also includes: an adjusting member, the two ends of which are adjustably connected to the mounting block in the vertical direction, and a plurality of clamping blocks are respectively arranged on the adjusting member so that the adjusting member drives the plurality of clamping blocks to move, so as to adjust the plurality of clamping blocks to be arranged in the horizontal direction.

[0008] Furthermore, the adjusting member and the plurality of pressing blocks are an integrally formed structure; and / or the pressing block is a cylindrical structure.

[0009] Furthermore, a first driving component and a transmission rod connected to the driving end of the first driving component are provided on the press body. The first driving component is arranged on the press body, and one end of the transmission rod can be movably extended into the installation groove and connected to the pressure cover assembly to drive the pressure cover assembly to move toward the fixed plate.

[0010] Furthermore, the capping device also includes: a mounting plate connected to the fixed base; a second driving component, the driving end of the second driving component passes through the mounting plate and is connected to the first driving component to drive the pressing tool body to move to a position in contact with the fixed plate.

[0011] Furthermore, a plurality of guide cylinders are provided on the mounting plate, and a plurality of guide rods are provided on the pressing tool body. The plurality of guide rods pass through the plurality of guide cylinders in a one-to-one correspondence, so that the second driving component drives the pressing tool body to move along the extension direction of the guide cylinders.

[0012] Furthermore, the press body includes a first body and a second body that are detachably connected, the second body is located between the first body and the fixing plate, and the pressure cover assembly is located in the first body.

[0013] Furthermore, a clamp is provided on the pressing tool body, the fixed end of the clamp is arranged on one of the first body and the second body, and the movable end of the clamp is arranged on the other of the first body and the second body (instructions PN281301HZYWLN), and the movable end can be movably connected to the fixed end; and / or, a connecting seat is respectively provided on the first body and the second body, and a connecting component is respectively passed through the two connecting seats.

[0014] Furthermore, the vacuum assembly includes: an interface part, which is connected to the press body and communicates with the installation groove; a vacuum solenoid valve, a vacuum pipeline is connected between the vacuum solenoid valve and the interface part, and the other end of the vacuum solenoid valve is connected to a regulating valve.

[0015] Applying the technical solution of the utility model, the cover pressing device includes a fixed base, a press structure and a vacuum assembly; the fixed base has a fixed plate for placing batteries; the press structure is movably arranged on the fixed base, the press structure includes a press body and a cover pressing assembly, the press body has a mounting groove with an opening toward the fixed plate, and the cover pressing assembly is movably arranged in the mounting groove so that the press body moves to a position in contact with the fixed plate to form a accommodating cavity; the vacuum assembly is connected to the press body and communicated with the accommodating cavity for extracting air from the accommodating cavity so that the accommodating cavity is in a vacuum state, and the cover pressing assembly presses the upper cover of the battery located in the accommodating cavity. In this way, a accommodating cavity is formed by combining the pressing tool body with the fixed plate on which the battery cover is placed, and the air in the accommodating cavity is extracted by the vacuum assembly to make it a vacuum state, and then the pressing assembly is controlled to perform the pressing operation on the battery cover under a vacuum environment to ensure that there is no air inside the battery after the pressing, and to ensure that the battery cover will not rebound and cause height changes after the pressing, thereby improving the battery yield and production efficiency, and thus solving the problem in the prior art that pressing the battery cover under normal pressure easily causes the total height of the battery to exceed the standard. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings constituting part of this application are provided to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are provided to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0017] Figure 1 A schematic structural diagram of a first viewing angle provided by an embodiment of a capping device according to the present invention is shown;

[0018] Instruction manual PN281301HZYWLN

[0019] Figure 2 A schematic structural diagram showing a second perspective of an embodiment of a capping device according to the present invention is shown;

[0020] Figure 3 Shown Figure 2 Schematic diagram of the structure of part A in the middle.

[0021] The above drawings include the following reference numerals:

[0022] 10. Fixed base; 11. Fixed plate;

[0023] 20. Press structure;

[0024] 21. Pressing tool body; 210. Mounting slot; 211. First body; 212. Second body;

[0025] 22. Gland assembly; 220. Mounting block; 221. Pressing block; 222. Adjusting member;

[0026] 30. Evacuation assembly; 31. Interface components;

[0027] 40. First driving component; 41. Transmission rod; 42. Mounting plate; 43. Second driving component; 44. Guide cylinder; 45. Guide rod; 46. Clamp; 47. Connecting seat. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is in no way intended to limit the present application and its application or use. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.

[0029] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular form is also intended to include the plural form. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they indicate the presence of features, steps, operations, devices, components and / or combinations thereof.

[0030] Instruction manual PN281301HZYWLN

[0031] Unless otherwise specifically stated, the relative arrangement of the parts and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application. At the same time, it should be understood that, for ease of description, the sizes of the various parts shown in the drawings are not drawn according to actual proportional relationships. The techniques, methods and equipment known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the techniques, methods and equipment should be considered as part of the authorization specification. In all examples shown and discussed here, any specific values should be interpreted as being merely exemplary and not as limitations. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following figures, and therefore, once an item is defined in one figure, it does not need to be further discussed in subsequent figures.

[0032] In order to solve the problem in the prior art that pressing the battery cover under normal pressure easily causes the total height of the battery to exceed the standard, the utility model provides a cover pressing device.

[0033] Please refer to Figures 1 to 3 As shown, applying the technical solution of the present invention, the cover pressing device includes a fixed base 10, a press structure 20 and an evacuation assembly 30; the fixed base 10 has a fixed plate 11 for placing the battery; the press structure 20 is movably arranged on the fixed base 10, the press structure 20 includes a press body 21 and a cover pressing assembly 22, the press body 21 has a mounting groove 210 with an opening toward the fixed plate 11, and the cover pressing assembly 22 is movably arranged in the mounting groove 210 so that the press body 21 moves to a position in contact with the fixed plate 11 to form a accommodating cavity; the evacuation assembly 30 is connected to the press body 21 and communicated with the accommodating cavity for extracting air from the accommodating cavity so that the accommodating cavity is in a vacuum state, and the cover pressing assembly 22 presses the upper cover of the battery located in the accommodating cavity.

[0034] By applying the technical solution of this embodiment, a holding cavity is formed by combining the press body 21 with the fixed plate 11 on which the battery cover is placed, and the air in the holding cavity is extracted by the evacuation component 30 to make it a vacuum state, and then the pressing component 22 is controlled to perform the capping operation on the battery cover under a vacuum environment to ensure that there is no air inside the battery after the capping, and to ensure that the battery cover will not rebound and cause height changes after the capping, thereby improving the yield rate and production efficiency of the battery, and thus solving the problem in the prior art that pressing the battery cover under normal pressure easily causes the total height of the battery to exceed the standard.

[0035] like Figure 2 and Figure 3 As shown, the capping assembly 22 includes a mounting block 220 and multiple pressing blocks 221. The multiple pressing blocks 221 are spaced apart on the mounting block 220, so that the mounting block 220 drives the multiple pressing blocks 221 to move into contact with and clamp the battery cover. Thus, after the accommodating cavity is evacuated, the mounting block 220 is controlled to drive the multiple pressing blocks 221 into contact with and clamp the battery cover. This allows the capping operation to be performed in a vacuum environment, ensuring that no air is present inside the battery, thus preventing the battery from exceeding the required height.

[0036] In this embodiment, the pressing blocks 221 are arranged in a row of four.

[0037] It should be noted that, in this embodiment, the number of the clamping blocks 221 is not limited thereto, and can be selected accordingly according to usage requirements and actual working conditions, as well as the structure and acceptance conditions of the corresponding battery cover. Optionally, the number of the clamping blocks 221 is one, two, three, five, or more.

[0038] In order to ensure that the multiple pressing blocks 221 can evenly squeeze the battery cover, the cover assembly 22 also includes an adjusting member 222. The two ends of the adjusting member 222 are adjustably connected to the mounting block 220 in the vertical direction. The multiple pressing blocks 221 are respectively arranged on the adjusting member 222, so that the adjusting member 222 drives the multiple pressing blocks 221 to move, so as to adjust the multiple pressing blocks 221 to be arranged in the horizontal direction. In the above arrangement, the two ends of the adjusting member 222 are respectively connected to the mounting block 220 by bolts, or the adjusting member 222 is connected to the mounting block 220 by multiple rows of screws. In this way, the parallelism of the multiple pressing blocks 221 can be adjusted by adjusting the bolts, so that the multiple pressing blocks 221 are at the same height position, thereby preventing the battery cover from being tilted and deformed during the cover pressing process.

[0039] Optionally, the adjusting member 222 and the plurality of pressing blocks 221 are an integrally formed structure.

[0040] Instruction manual PN281301HZYWLN

[0041] Optionally, the pressing block 221 is a cylindrical structure. In this embodiment, the structure of the pressing block 221 can be selected accordingly according to the structure of the battery cover.

[0042] Specifically, the press body 21 is provided with a first driving component 40 and a transmission rod 41 connected to the driving end of the first driving component 40. The first driving component is arranged on the press body 21, and one end of the transmission rod 41 can be movably extended into the mounting groove 210 and connected to the pressure cover assembly 22 to drive the pressure cover assembly 22 to move toward the fixed plate 11. In the above arrangement, the first driving component 40 is a driving motor. In this way, the transmission rod 41 is driven by the first driving component 40 to move, thereby driving the pressure cover assembly 22 to move in the mounting groove 210 of the press body 21, so as to press the battery cover located on the fixed plate 11 under a vacuum environment, ensuring that there is no air inside the battery after the pressure cover is pressed, and fundamentally solving the problem of the battery rebounding after the pressure cover is pressed.

[0043] In the present application, the capping device further includes a mounting plate 42 and a second driving component 43; the mounting plate 42 is connected to the fixed base 10; the driving end of the second driving component 43 passes through the mounting plate 42 and is connected to the first driving component 40 to drive the pressing tool body 21 to move to a position in contact with the fixed plate 11. In the above arrangement, the second driving component 43 is a driving motor, so that, driven by the second driving component 43, the pressing tool body 21 moves in a direction toward the fixed plate 11 to a position where the notch of the mounting groove 210 contacts and engages with the fixed plate 11, so that the mounting groove 210 and the fixed plate 11 form a accommodating cavity, and then the evacuation operation is performed on the accommodating cavity by the evacuation component 30 to ensure that the capping operation is performed in a vacuum environment.

[0044] Specifically, a plurality of guide cylinders 44 are provided on the mounting plate 42, and a plurality of guide rods 45 are provided on the press body 21. The plurality of guide rods 45 pass through the plurality of guide cylinders 44 in a one-to-one correspondence, so that the second driving component 43 drives the press body 21 to move along the extension direction of the guide cylinders 44. In this way, under the drive of the second driving component 43, the plurality of guide rods 45 on the press body 21 respectively perform telescopic movement in the guide cylinders 44, thereby driving the press body 21 to move toward or away from the fixed plate 11.

[0045] Instruction manual PN281301HZYWLN

[0046] In order to facilitate the removal and replacement of the pressing block 221 or the parallelism adjustment of the pressing block 221, the pressing tool body 21 includes a first body 211 and a second body 212 that are detachably connected. The second body 212 is located between the first body 211 and the fixing plate 11, and the pressure cover assembly 22 is located inside the first body 211. In this way, after the second body 212 is removed, the pressing block 221 of the pressure cover assembly 22 located inside the first body 211 can be easily removed or the parallelism adjustment can be performed.

[0047] In this embodiment, a glass observation window is provided on the second body 212 to facilitate observation of the capping process in the press body 21 .

[0048] In this embodiment, a clamp 46 is provided on the press body 21. The fixed end of the clamp 46 is provided on one of the first body 211 and the second body 212, and the movable end of the clamp 46 is provided on the other of the first body 211 and the second body 212. The movable end is movably connected to the fixed end. The first body 211 and the second body 212 are respectively provided with a connecting seat 47, and the two connecting seats 47 are respectively provided with a connecting component. In the above arrangement, the connecting seat 47 has a connecting hole or a threaded hole, and the connecting component is a positioning pin or a screw. In this way, under the action of the clamp 46 and the connecting seat 47, the first body 211 and the second body 212 are detachably connected, and at the same time, the connection between the first body 211 and the second body 212 is more stable.

[0049] Specifically, the evacuation assembly 30 includes an interface member 31 and a vacuum solenoid valve; the interface member 31 is connected to the press body 21 and communicates with the mounting slot 210; a vacuum line is connected between the vacuum solenoid valve and the interface member 31, and a regulating valve is connected to the other end of the vacuum solenoid valve. Thus, the vacuum solenoid valve is opened to evacuate the accommodating cavity, and the regulating valve is used to adjust the vacuum level within the accommodating cavity. When the vacuum level within the accommodating cavity reaches a preset vacuum value, the vacuum solenoid valve is closed to maintain pressure within the accommodating cavity. After the pressure maintenance is completed, the capping operation is performed in a vacuum environment to ensure that there is no air inside the battery, thereby improving not only the battery yield but also production efficiency.

[0050] Instruction manual PN281301HZYWLN

[0051] From the above description, it can be seen that the above embodiments of the present application achieve the following technical effects:

[0052] The cover pressing device includes a fixed base, a press structure and an evacuation assembly; the fixed base has a fixed plate for placing batteries; the press structure is movably arranged on the fixed base, the press structure includes a press body and a cover pressing assembly, the press body has a mounting groove opening toward the fixed plate, and the cover pressing assembly is movably arranged in the mounting groove so that the press body moves to a position in contact with the fixed plate to form a accommodating cavity; the evacuation assembly is connected to the press body and communicated with the accommodating cavity for extracting air from the accommodating cavity so that the accommodating cavity is in a vacuum state, and the cover pressing assembly presses the upper cover of the battery located in the accommodating cavity. In this way, a accommodating cavity is formed by combining the pressing tool body with the fixed plate on which the battery cover is placed, and the air in the accommodating cavity is extracted by the vacuum assembly to make it a vacuum state, and then the pressing assembly is controlled to perform the pressing operation on the battery cover under a vacuum environment to ensure that there is no air inside the battery after the pressing, and to ensure that the battery cover will not rebound and cause height changes after the pressing, thereby improving the battery yield and production efficiency, and thus solving the problem in the prior art that pressing the battery cover under normal pressure easily causes the total height of the battery to exceed the standard.

[0053] In the description of this application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction. Therefore, they cannot be understood as limiting the scope of protection of this application; the directional words "inside and outside" refer to the inside and outside relative to the outline of each component itself.

[0054] For ease of description, spatially relative terms such as "above," "over," "on the upper surface of," "upper," etc. may be used herein to describe the spatial positional relationship of a device or feature to other devices or features as shown in the figures. It should be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is inverted, a device described as "above" or "on top of" other devices or structures would then be positioned "below" or "beneath" the other devices or structures. Thus, the exemplary term "above" can include both the orientations of "above" and "below." The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the spatially relative descriptions used herein should be interpreted accordingly.

[0055] In addition, it should be noted that the use of terms such as "first" and "second" to limit components is only for the convenience of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0056] The above description is merely a preferred embodiment of the present application and is not intended to limit the present application. Various modifications and variations are possible for those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A capping device, characterized in that: include: A fixed base (10) having a fixing plate (11) for placing batteries; A press structure (20) is movably arranged on the fixed base (10), the press structure (20) comprising a press body (21) and a pressure cover assembly (22), the press body (21) having a mounting groove (210) opening toward the fixed plate (11), and the pressure cover assembly (22) being movably arranged in the mounting groove (210) so as to enable the press body (21) to move to a position in contact with the fixed plate (11) to form a receiving cavity; An evacuation assembly (30) is connected to the press body (21) and communicated with the accommodating cavity, and is used to extract air from the accommodating cavity so that the accommodating cavity is in a vacuum state, and enables the pressure cover assembly (22) to press the upper cover of the battery located in the accommodating cavity.

2. The capping device according to claim 1, wherein: The gland assembly (22) comprises: Mounting block (220); A plurality of pressing blocks (221) are respectively arranged at intervals on the mounting block (220), so that the mounting block (220) drives the plurality of pressing blocks (221) to move to a position where they contact and clamp the upper cover of the battery.

3. The capping device according to claim 2, characterized in that: The gland assembly (22) further comprises: An adjusting member (222), both ends of which are adjustably connected to the mounting block (220) in a vertical direction, and a plurality of the pressing blocks (221) are respectively arranged on the adjusting member (222), so that the adjusting member (222) drives the plurality of the pressing blocks (221) to move, so as to adjust the plurality of the pressing blocks (221) to be arranged in a horizontal direction.

4. The capping device according to claim 3, characterized in that: The adjusting member (222) and the plurality of pressing blocks (221) are an integrally formed structure; and / or, The pressing block (221) is a cylindrical structure.

5. The capping device according to claim 1, wherein: The press body (21) is provided with a first driving component (40) and a transmission rod (41) connected to the driving end of the first driving component (40); the first driving component is arranged on the press body (21); one end of the transmission rod (41) can be movably extended into the installation groove (210) and connected to the pressure cover assembly (22) to drive the pressure cover assembly (22) to move toward the fixed plate (11).

6. The capping device according to claim 5, characterized in that: The capping device further comprises: A mounting plate (42) connected to the fixed base (10); A second driving component (43), wherein a driving end of the second driving component (43) passes through the mounting plate (42) and is connected to the first driving component (40) to drive the press body (21) to move to a position in contact with the fixing plate (11).

7. The capping device according to claim 6, characterized in that: A plurality of guide cylinders (44) are provided on the mounting plate (42), and a plurality of guide rods (45) are provided on the pressing tool body (21). The plurality of guide rods (45) pass through the plurality of guide cylinders (44) in a one-to-one correspondence, so that the second driving component (43) drives the pressing tool body (21) to move along the extension direction of the guide cylinders (44).

8. The capping device according to any one of claims 1 to 7, characterized in that: The press body (21) comprises a first body (211) and a second body (212) which are detachably connected, wherein the second body (212) is located between the first body (211) and the fixing plate (11), and the pressure cover assembly (22) is located in the first body (211).

9. The capping device according to claim 8, characterized in that: A clamp (46) is provided on the press body (21), a fixed end of the clamp (46) is provided on one of the first body (211) and the second body (212), a movable end of the clamp (46) is provided on the other of the first body (211) and the second body (212), and the movable end is movably connected to the fixed end; and / or, The first main body (211) and the second main body (212) are respectively provided with a connecting seat (47), and the two connecting seats (47) are respectively provided with a connecting component.

10. The capping device according to claim 1, wherein: The evacuation assembly (30) comprises: An interface member (31) connected to the press body (21) and communicating with the mounting groove (210); A vacuum solenoid valve is provided, wherein a vacuum pipeline is connected between the vacuum solenoid valve and the interface component (31), and the other end of the vacuum solenoid valve is connected to a regulating valve.

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