Cap edge covering device

Abstract

The utility model relates to the technical field of cap production, and discloses a cap edge covering device which comprises a material storage mechanism, the material storage mechanism comprises a first material storage component which is independently arranged, and the first material storage component is provided with a first feeding end and a first discharging end; the welding mechanism is provided with a first output end, and the first output end is connected with the first feeding end; and the pre-packaging mechanism is provided with a first input end, and the first input end is connected with the first discharging end. Through the design of the material storage mechanism, the semi-finished products are temporarily stored through the material storage mechanism, the whole production line can be separated, when the mechanism in front of the material storage mechanism breaks down, due to the storage amount of the semi-finished products of the material storage mechanism, the mechanism behind the material storage mechanism can continue to work, and then the phenomenon that the whole production line stops is avoided; the production continuity is effectively ensured, and the production efficiency is greatly improved.

Description

Technical Field

[0001] This application belongs to the field of cap manufacturing technology, specifically relating to a cap edge-wrapping device. Background Technology

[0002] Battery caps primarily serve a protective and safety function. They prevent dust, moisture, and external impacts from affecting the battery, extending its lifespan. Simultaneously, the cap effectively prevents short circuits and leaks, reducing the risk of fire and explosion, and ensuring user safety. Furthermore, the cap's seal helps maintain the stability of the battery's internal chemical composition, improving battery performance. Therefore, battery caps are crucial for battery safety, performance, and ease of use.

[0003] In existing cap production technology, the workflow is generally as follows: explosion-proof sheet feeding → top cover feeding → product height measurement and welding → product edge wrapping → product shaping → large rubber ring feeding → large rubber ring assembly → finished product discharge. The workstations are connected in series. If any workstation has a problem, the whole machine needs to be stopped and wait, which will lead to the entire production line stopping and low production efficiency. Utility Model Content

[0004] To address the shortcomings of the prior art, this application provides a cap-sealing device that can effectively ensure production continuity and greatly improve production efficiency.

[0005] The technical effects to be achieved in this application are realized through the following aspects:

[0006] This application provides a cap edge-sealing device, wherein the cap comprises an upper cover, an explosion-proof sheet, and a rubber ring sequentially nested and connected to form a complete assembly.

[0007] The material storage mechanism includes an independently set first material storage component, which has a first inlet end and a first outlet end.

[0008] A welding mechanism is provided, having a first output end connected to a first inlet end. The welding mechanism is used to weld the upper cover and the explosion-proof sheet, so that the upper cover and the explosion-proof sheet are combined and connected.

[0009] The pre-packaging mechanism is provided with a first input end, which is connected to the first discharge end. The pre-packaging mechanism is used to pre-pack the explosion-proof sheet towards the top cover.

[0010] The material storage mechanism further includes a second material storage component, which is provided with a second inlet end and a second outlet end.

[0011] The pre-packaging mechanism is provided with a second output end, which is connected to the second infeed end; the second storage component is used to temporarily store the semi-finished products output by the pre-packaging mechanism.

[0012] In some implementations, the cap-sealing device further includes an assembly mechanism, which has a second input end connected to the second output end. The assembly mechanism is used to assemble the rubber ring with the semi-finished product output from the second output end of the pre-sealing mechanism to form a cap.

[0013] The second material storage component connects the pre-packaging mechanism and the assembly mechanism, so that the pre-packaging mechanism and the assembly mechanism can operate independently.

[0014] In some implementations, the pre-packaging mechanism includes:

[0015] A first turntable, with a first fixture arranged in a ring along the edge of the first turntable, the fixture having a plurality of first placement components;

[0016] A first transfer component is connected to the first turntable, and the first transfer component is used to move the semi-finished product from the first discharge end to the first fixture.

[0017] A pre-packaged component is disposed on the outer side of the first turntable and opposite to the first fixture, and

[0018] The second transfer component is disposed opposite to the first transfer component and the first fixture, and is connected to the outside of the first turntable. The second transfer component is used to transfer the semi-finished products that have completed the pre-packaging operation to the next work station.

[0019] In some implementations, the first transfer component includes:

[0020] A variable-gap adsorption component is used to change the spacing between semi-finished products and adsorb them onto the first fixture;

[0021] A vertically moving component is connected to the variable-pitch adsorption component to drive the variable-pitch adsorption component to perform a lifting and lowering motion; and

[0022] A horizontal moving component, connected to the vertical moving component, is used for the vertical moving component and the variable-pitch adsorption component to move to different work positions.

[0023] In some implementations, the variable-gap adsorption component includes:

[0024] A mounting plate is connected to the vertically moving component, and a guide rail is provided on one side of the mounting plate;

[0025] At least one variable-pitch adsorbent, the variable-pitch adsorbent being movably connected to the guide rail, and

[0026] The cylinder is driven and connected to the variable-pitch adsorption body.

[0027] In some implementations, the variable-pitch adsorption body includes a first slider and a second slider that are slidably connected to the guide rail, a first suction cup connected to the first slider, a second suction cup connected to the second slider, a first limiting body connected between the first slider and the second slider, and a second limiting body connected to the second slider. The first slider is driven by the cylinder.

[0028] In some implementations, the first placement component includes a body and a first placement slot, the first placement slot being located at the upper end of the body.

[0029] In some implementations, the welding mechanism includes a second turntable, an explosion-proof sheet feeding assembly, a top cover feeding assembly, a welding assembly, a discharge assembly arranged sequentially along the outer edge of the second turntable, and a third transfer assembly movable between the second turntable and the explosion-proof sheet feeding assembly;

[0030] A second fixture is provided in a ring along the edge of the second turntable, and the second fixture is provided with a plurality of second placement slots.

[0031] In some implementations, the third transfer component has the same structure as the first transfer component.

[0032] In summary, this application has at least the following advantages:

[0033] The cap-sealing device provided in this application, through the design of the material storage mechanism, temporarily stores semi-finished products, which can separate the entire production line. When the mechanism in front of the material storage mechanism fails, the semi-finished products stored in the material storage mechanism allow the mechanism behind the material storage mechanism to continue operating, thereby avoiding the phenomenon of the entire production line stopping, effectively ensuring the continuity of production, and greatly improving production efficiency. Attached Figure Description

[0034] Figure 1 This is a schematic diagram of the cap structure in an embodiment of this application.

[0035] Figure 2 This is a schematic diagram of the cap-edge binding device in Embodiment 1 of this application.

[0036] Figure 3 This is a schematic diagram of the cap-edge binding device in Embodiment 2 of this application.

[0037] Figure 4 This is a schematic diagram of the pre-packaging mechanism in Embodiment 3 of this application.

[0038] Figure 5 This is a schematic diagram of the structure of the first transfer component in Embodiment 3 of this application.

[0039] Figure 6This is a schematic diagram of the structure of the variable-spacing adsorbent in Example 3 of this application.

[0040] Figure 7 This is a schematic diagram of the structure of the first fixture in Embodiment 3 of this application.

[0041] Figure 8 This is a schematic diagram of the welding mechanism shown in Embodiment 3 of this application.

[0042] Figure 9 This is a schematic diagram of the structure of the second fixture in Embodiment 3 of this application.

[0043] Marked in the image:

[0044] 1. Cap; 11. Top cover; 12. Explosion-proof sheet; 13. Rubber ring;

[0045] 21. First material storage component; 211. First feed end; 212. First discharge end; 22. Second material storage component; 221. Second feed end; 222. Second discharge end;

[0046] 3. Welding mechanism; 31. First output end; 32. Second turntable; 321. Second fixture; 322. Second placement slot; 33. Explosion-proof sheet feeding assembly; 34. Top cover feeding assembly; 35. Welding assembly; 36. Discharge assembly; 37. Third transfer assembly.

[0047] 4. Pre-packaging mechanism; 41. First input end; 42. Second output end; 43. First turntable; 431. First fixture; 432. First placement component; 433. Body; 434. First placement slot; 44. First transfer assembly; 441. Variable pitch adsorption component; 444. Mounting plate; 445. Guide rail; 446. Variable pitch adsorption body; 44a. First slider; 44b. Second slider; 44c. First suction cup; 44d. Second suction cup; 44e. First limiting body; 44f. Second limiting body; 447. Cylinder; 442. Vertical moving component; 443. Horizontal moving component; 45. Pre-packaging assembly; 46. Second transfer assembly

[0048] 5. Assembly mechanism; 51. Second input end. Detailed Implementation

[0049] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. The described embodiments are only some embodiments of this application, not all embodiments.

[0050] Therefore, the following detailed description of the embodiments of this application provided in the accompanying drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application. All other embodiments obtained by those skilled in the art based on the embodiments in this application without inventive effort are within the scope of protection of this application.

[0051] Example 1:

[0052] Please see the appendix Figure 1 -Appendix Figure 2 The present application discloses a cap edge-wrapping device, wherein the cap 1 includes an upper cover 11, an explosion-proof sheet 12 and a rubber ring 13 connected in sequence to form a cap 1. The cap 1 edge-wrapping device includes a material storage mechanism, a welding mechanism 3 and a pre-wrapping mechanism 4.

[0053] The material storage mechanism includes an independently set first material storage component 21, which has a first inlet end 211 and a first outlet end 212. Specifically, the first material storage component 21 includes a vibrating disc, which can not only accommodate the semi-finished products processed at the previous station, but also transfer the semi-finished products to the next station.

[0054] The welding mechanism 3 is provided with a first output end 31, which is connected to the first feed end 211. The welding mechanism 3 is used to weld the top cover 11 and the explosion-proof sheet 12 so that the top cover 11 and the explosion-proof sheet 12 are combined and connected.

[0055] The pre-packaging mechanism 4 is provided with a first input end 41, which is connected to the first output end 212. The pre-packaging mechanism 4 is used to pre-pack the explosion-proof sheet 12 towards the upper cover 11. The first storage component 21 is used to temporarily store the semi-finished product output by the welding mechanism 3, so that the welding mechanism 3 and the pre-packaging mechanism 4 can operate independently.

[0056] In this embodiment, the cap-sealing device is connected between the welding mechanism 3 and the pre-packing mechanism 4 via the first storage component 21. After the welding mechanism 3 completes the welding of the top cover 11 and the explosion-proof sheet 12, the semi-finished product is discharged to the first storage component 21 through the first inlet end 211. Then, the semi-finished product is discharged to the pre-packing mechanism 4 through the first outlet end 212 of the first storage component 21. Since the first storage component 21 has a storage function, the welding and pre-packing operations in the production line can be separated. When the mechanism before the storage mechanism fails, the mechanism after the storage mechanism can continue to operate because there is a stock of semi-finished products in the storage mechanism. This avoids the phenomenon of the entire production line stopping, effectively ensures the continuity of production, and greatly improves production efficiency.

[0057] In addition, during the processing, by connecting the first material storage component 21 between the welding mechanism 3 and the pre-packaging mechanism 4, the operating cycles of the two can be asynchronous, realizing the independence of the operation of the welding mechanism 3 and the pre-packaging mechanism 4. This makes the installation coordination of the overall production process more inclusive, reduces installation accuracy, and improves the convenience for assembly personnel.

[0058] Example 2:

[0059] The difference between this embodiment and Embodiment 1 is that, please refer to... Figure 3 The material storage mechanism in this embodiment also includes a second material storage component 22, which has a second inlet end 221 and a second outlet end 222. Specifically, the second material storage component 22 includes a vibrating disc, which can not only accommodate the semi-finished products processed at the previous station, but also convey the semi-finished products to the next station.

[0060] The pre-packaging mechanism 4 is provided with a second output end 42, which is connected to the second feed end 221; the second storage component 22 is used to temporarily store the semi-finished products output by the pre-packaging mechanism 4.

[0061] The cap 1 edge-wrapping device also includes an assembly mechanism 5. The assembly mechanism 5 is provided with a second input end 51, which is connected to a second output end 222. The assembly mechanism 5 is used to assemble the rubber ring 13 with the semi-finished product output from the second output end 42 of the pre-wrapping mechanism 4 to form the cap 1. The second material storage component 22 connects the pre-wrapping mechanism 4 and the assembly mechanism 5 so that the pre-wrapping mechanism 4 and the assembly mechanism 5 can operate independently.

[0062] In this embodiment, the cap 1 edge-wrapping device is connected between the pre-wrapping mechanism 4 and the assembly mechanism 5 via a second material storage mechanism. After the pre-wrapping mechanism 4 completes the pre-wrapping of the explosion-proof sheet 12, the semi-finished product is fed into the vibrating plate through the second inlet end 221 via the second output end 42 of the pre-wrapping mechanism 4. Then, the semi-finished product is discharged through the second outlet end 222 of the vibrating plate to the second input end 51 of the assembly mechanism 5, so that the semi-finished product can be assembled into the rubber ring 13, thereby completing the production of the cap 1. Since the second material storage mechanism has the function of storing semi-finished products, that is, separating the pre-wrapping mechanism 4 and the assembly mechanism 5, when the pre-wrapping mechanism 4 fails, it will not affect the material supply of the assembly mechanism 5, effectively ensuring the continuity of material supply, thereby avoiding the phenomenon of large-scale production line shutdown, effectively ensuring the continuity of production, and greatly improving production efficiency.

[0063] In addition, during the installation of the production line, the pre-packaging mechanism 4 and the assembly mechanism 5 do not need to be consistent in production cycle, which effectively improves the inclusiveness of the installation and facilitates the installation and operation of the production line. At the same time, the pre-packaging mechanism 4 and the assembly mechanism 5 can operate independently.

[0064] In this structure, the first and second material storage mechanisms are combined and applied to the welding mechanism 3, the pre-packaging mechanism 4, and the assembly mechanism 5. This divides the production of the cap 1 into three areas, enabling the independent operation of the three mechanisms. This avoids the situation where a problem occurs at one workstation and the entire production line has to stop and wait, effectively ensuring the continuity of production and thus improving production efficiency.

[0065] Example 3:

[0066] The difference between this embodiment and Embodiment 1 is that, please refer to... Figure 4 The pre-packaging mechanism 4 in this embodiment includes a first turntable 43, a first transfer component 44, a pre-packaging component 45, and a second transfer component 46.

[0067] The first turntable 43 has a first fixture 431 arranged in a ring around its edge, and the fixture has a plurality of first placement parts 432; preferably, four first placement parts 432 are provided, that is, four workstations for placing semi-finished products. Each time the first turntable 43 rotates, the first fixture 431 moves to the next operation workstation.

[0068] The first transfer component 44 is connected to the first turntable 43 and is used to move the semi-finished product from the first discharge end 212 to the first fixture 431. The pre-packaging component 45 is located on the outside of the first turntable 43 and is opposite to the first fixture 431. The second transfer component 46 is located opposite to the first transfer component 44 and the first fixture 431 and is connected to the outside of the first turntable 43. The second transfer component 46 is used to transfer the semi-finished product that has completed the pre-packaging operation to the next station.

[0069] The second transfer component 46 can use an existing suction cup for adsorption and a slider rail for movement.

[0070] In this embodiment, the pre-packaging mechanism 4 moves the semi-finished product located in the first storage component 21 to the first fixture 431 via the first transfer component 44. Then, the first fixture 431 is rotated to the pre-packaging component 45 via the first turntable 43. The pre-packaging component 45 spins the explosion-proof sheet 12, causing it to bend towards the upper cover 11, thus completing the pre-packaging action. Next, the first fixture 431 is rotated to the second transfer component 46 via the first turntable 43, moving the pre-packaged semi-finished product to the next operating station. Finally, the pre-packaged semi-finished product is moved to the second storage component 22 via the second transfer component 46, completing the pre-packaging action of the semi-finished product. With this pre-packaging mechanism 4, the overall pre-packaging process is compact, fast, and highly responsive.

[0071] In this structure, by using four workstations to pre-package semi-finished products simultaneously, the efficiency can be increased from 60-70 pieces per minute to about 140 pieces per minute, effectively improving work efficiency.

[0072] Furthermore, during the pre-packaging process, because the pre-packaging assembly 45 uses a cam to spin the explosion-proof sheet 12, each pre-packaging assembly 45 occupies a relatively large space. Therefore, the gap between adjacent first placement pieces 432 needs to be large, requiring the adjacent widths of the semi-finished products coming out of the first storage component 21 to be adjusted before they can be placed on the first placement piece 432. That is, the adjacent suction cups of the first transfer assembly 44 are designed to have variable distances.

[0073] For details, please see Figure 5 The first transfer component 44 includes a variable-pitch adsorption component 441, a vertical moving component 442, and a horizontal moving component 443.

[0074] The vertical moving component 442 is connected to the variable-pitch adsorption component 441 to drive the variable-pitch adsorption component 441 to perform lifting and lowering movements. The horizontal moving component 443 is connected to the vertical moving component 442 and is used for moving the vertical moving component 442 and the variable-pitch adsorption component 441 to different work positions. Both the vertical moving component 442 and the horizontal moving component 443 use a driver and a slider rail to achieve movement, realizing up, down, left, and right movements, facilitating the movement of the variable-pitch adsorption component 441 on the semi-finished product.

[0075] The variable-pitch adsorption component 441 is used to change the spacing between semi-finished products and adsorb them onto the first fixture 431. The variable-pitch adsorption component 441 includes a mounting plate 444, at least one variable-pitch adsorption body 446, and a cylinder 447. Preferably, two sets of variable-pitch adsorption bodies 446 are provided for each of the four workstations.

[0076] Specifically, the mounting plate 444 is connected to the vertical moving component 442, a guide rail 445 is provided on one side of the mounting plate 444, the variable pitch adsorption body 446 is movably connected to the guide rail 445, and the cylinder 447 is drivenly connected to the variable pitch adsorption body 446.

[0077] Please see Figure 6 The variable-pitch adsorption body 446 includes a first slider 44a and a second slider 44b that are slidably connected to the guide rail 445, a first suction cup 44c connected to the first slider 44a, a second suction cup 44d connected to the second slider 44b, a first limiting body 44e connected between the first slider 44a and the second slider 44b, and a second limiting body 44f connected to the second slider 44b. The first slider 44a is driven by a cylinder 447.

[0078] In this structure, the variable-pitch adsorption body 446 has the following variable-pitch process: by activating the cylinder 447, the first slider 44a is pulled to move. At the same time, since the first slider 44a and the second slider 44b are separated by the first limiting body 44e, the second slider 44b can also move accordingly after the first slider 44a and the second slider 44b are separated by a certain distance. The second limiting body 44f controls the movement range of the second slider 44b, so that the first slider 44a and the second slider 44b are both adjusted to the set distance, so that the first suction cup 44c and the second suction cup 44d can flexibly adsorb and place semi-finished products with different distances.

[0079] In this embodiment, the first transfer component 44 loads semi-finished products from the first discharge end 212 of the first storage component 21 to the first placement component 432 as follows: the horizontal moving component 443 moves the variable-pitch adsorption component 441 above the first discharge end 212. At this time, the first suction cup 44c and the second suction cup 44d in the variable-pitch adsorption component 441 are close together. The vertical moving component 442 lowers the variable-pitch adsorption component 441 to adsorb the semi-finished products at the first discharge end 212, then raises it again, and moves it above the first fixture 431 using the horizontal moving component 443. At this time, the variable-pitch adsorption component 441 changes pitch so that the semi-finished products are all opposite the first placement component 432. Then, the vertical moving component 442 lowers it to place the semi-finished products on the first fixture 431, thus realizing the transfer of the semi-finished products. The first transfer component 44 can handle scenarios where adjacent semi-finished products are loaded at different intervals, has a wide range of applications, and is flexible and convenient to operate.

[0080] In some embodiments, see Figure 7 The first placement component 432 includes a body 433 and a first placement slot 434, with the first placement slot 434 located at the upper end of the body 433. Preferably, the body 433 is a frustum-shaped body 433, with a wider lower end, allowing for a wider distance between adjacent first placement slots 434. This shape, combined with the smaller diameter of the upper end of the body 433, increases the operating space for pre-packaging operations, facilitating the pre-packaging component 45 in handling the semi-finished products.

[0081] In some embodiments, see Figures 8-9 The welding mechanism 3 includes a second turntable 32, an explosion-proof sheet feeding assembly 33, a top cover feeding assembly 34, a welding assembly 35, and a discharge assembly 36 arranged sequentially along the outer edge of the second turntable 32, and a third transfer assembly 37 movable between the second turntable 32 and the explosion-proof sheet feeding assembly 33; wherein, a second fixture 321 is provided in a ring along the edge of the second turntable 32, and the second fixture 321 is provided with a plurality of second placement slots 322. Preferably, the second fixture 321 is provided with four second placement slots 322. The third transfer assembly 37 has the same structure as the first transfer assembly 44, and the third transfer assembly 37 can also realize the transfer action of the suction cup with variable distance.

[0082] In this embodiment, the welding mechanism 3 uses a second fixture 321 with four second placement slots 322, which is the same number as the four first placement slots 434 of the pre-packaging mechanism 4 for placing semi-finished products. This makes the rhythm of the welding mechanism 3 and the pre-packaging mechanism 4 more coordinated during operation, thereby achieving high efficiency in operation.

[0083] In this structure, the welding mechanism 3 operates by rotating the materials sequentially to each workstation via the second turntable 32. The explosion-proof sheet 12 and the top cover are then placed sequentially into the second placement slot 322 via the explosion-proof sheet feeding assembly 33 and the top cover feeding assembly 34. The explosion-proof sheet 12 and the top cover are then welded together via the welding assembly 35. Finally, the welded semi-finished product is discharged via the discharge assembly 36 through the second turntable 32. The overall workflow is compact, achieving high efficiency in welding operations.

[0084] In addition, the welding mechanism 3 may also include an NG discharge component 36, which can use a CCD to photograph and inspect the completed welding semi-finished products, and discharge unqualified products through the NG discharge component 36, thereby ensuring the consistency of the quality of the outgoing semi-finished products.

[0085] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0086] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, or the orientation or positional relationship commonly used when the product of this application is in use. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. In addition, the terms "first," "second," and "third," etc., are only used to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0087] Furthermore, terms such as "horizontal," "vertical," and "sag" do not imply that components must be absolutely horizontal or suspended, but rather that they can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal relative to "vertical," and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0088] In this application, unless otherwise expressly specified and limited, "above or below" a first feature may include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "over," and "on" a first feature includes the first feature directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" a first feature includes the first feature directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0089] Although the description of this application has been made in conjunction with the specific embodiments described above, it is obvious to those skilled in the art that many substitutions, modifications, and variations can be made based on the above description. Therefore, all such substitutions, modifications, and variations are included within the spirit and scope of the appended claims.

Claims

1. A cap edge-sealing device, wherein the cap (1) comprises an upper cover (11), an explosion-proof sheet (12), and a rubber ring (13) sequentially nested and connected together, characterized in that, include The material storage mechanism includes an independently set first material storage component (21), which has a first inlet end (211) and a first outlet end (212); A welding mechanism (3) is provided with a first output end (31), which is connected to a first feed end (211). The welding mechanism (3) is used to weld the upper cover (11) and the explosion-proof sheet (12) so that the upper cover (11) and the explosion-proof sheet (12) are combined and connected; and The pre-packing mechanism (4) is provided with a first input end (41), which is connected to the first discharge end (212). The pre-packing mechanism (4) is used to pre-pack the explosion-proof sheet (12) towards the upper cover (11).

2. The cap-sealing device according to claim 1, characterized in that, The material storage mechanism further includes a second material storage component (22), which has a second inlet end (221) and a second outlet end (222). The pre-packaging mechanism (4) is provided with a second output end (42), which is connected to the second feed end (221); the second storage component (22) is used to temporarily store the semi-finished products output by the pre-packaging mechanism (4).

3. The cap-sealing device according to claim 2, characterized in that, The cap (1) edge-wrapping device also includes an assembly mechanism (5), which has a second input end (51) and is connected to the second output end (222). The assembly mechanism (5) is used to assemble the rubber ring (13) with the semi-finished product output from the second output end (42) of the pre-wrapping mechanism (4) to form the cap (1). The second material storage component (22) is connected to the pre-packaging mechanism (4) and the assembly mechanism (5) so that the pre-packaging mechanism (4) and the assembly mechanism (5) can operate independently.

4. The cap-sealing device according to claim 1, characterized in that, The pre-packaging mechanism (4) includes: A first turntable (43) is provided with a first fixture (431) in a ring along the edge of the first turntable (43), and the fixture is provided with a plurality of first placement parts (432); The first transfer assembly (44) is connected to the first turntable (43) and is used to move the semi-finished product from the first discharge end (212) to the first fixture (431). The pre-packaged component (45) is located on the outside of the first turntable (43) and opposite to the first fixture (431), and The second transfer assembly (46) is disposed opposite to the first transfer assembly (44) and the first fixture (431) and is connected to the outside of the first turntable (43). The second transfer assembly (46) is used to transfer the semi-finished products that have completed the pre-packaging operation to the next work station.

5. The cap-sealing device according to claim 4, characterized in that, The first transfer component (44) includes: A variable-gap adsorption component (441) is used to change the spacing between semi-finished products and adsorb them onto the first fixture (431); A vertically moving component (442) is connected to the variable-pitch adsorption component (441) to drive the variable-pitch adsorption component (441) to perform a lifting and lowering action; and A horizontal moving component (443) is connected to the vertical moving component (442) and is used for the vertical moving component (442) and the variable-pitch adsorption component (441) to move to different work positions.

6. The cap-sealing device according to claim 5, characterized in that, The variable-gap adsorption component (441) includes: Mounting plate (444) is connected to the vertical moving component (442), and a guide rail (445) is provided on one side of the mounting plate (444); At least one variable-pitch adsorbent (446) is movably connected to the guide rail (445), and The cylinder (447) is driven to connect with the variable-pitch adsorbent (446).

7. The cap-sealing device according to claim 6, characterized in that, The variable-pitch adsorption body (446) includes a first slider (44a) and a second slider (44b) slidably connected to the guide rail (445), a first suction cup (44c) connected to the first slider (44a), a second suction cup (44d) connected to the second slider (44b), a first limiting body (44e) connected between the first slider (44a) and the second slider (44b), and a second limiting body (44f) connected to the second slider (44b). The first slider (44a) is drivenly connected to the cylinder (447).

8. The cap-sealing device according to claim 4, characterized in that, The first placement member (432) includes a body (433) and a first placement slot (434), the first placement slot (434) being located at the upper end of the body (433).

9. The cap-sealing device according to claim 7, characterized in that, The welding mechanism (3) includes a second turntable (32), an explosion-proof sheet feeding assembly (33), an upper cover feeding assembly (34), a welding assembly (35), a discharge assembly (36) arranged sequentially along the outer edge of the second turntable (32), and a third transfer assembly (37) movable between the second turntable (32) and the explosion-proof sheet feeding assembly (33); A second fixture (321) is provided in a ring along the edge of the second turntable (32), and the second fixture (321) is provided with a plurality of second placement slots (322).

10. The cap-sealing device according to claim 9, characterized in that, The third transfer component (37) has the same structure as the first transfer component (44).

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