Aluminum cap forming equipment and aluminum cap production line

Abstract

This invention discloses an aluminum cap forming equipment and an aluminum cap production line. The equipment includes: a frame; and a rotary lifting module connected to the frame. The rotary lifting module includes a turntable, a rotating device, and multiple lifting devices. The rotating device drives the turntable to rotate horizontally. Multiple lower dies are evenly distributed around the circumference of the turntable, and all lower dies are vertically movably connected to the turntable. Above the turntable and along the rotation direction of the turntable, the frame is sequentially equipped with a pre-rolling upper die, an edge-rolling upper die, a pressure claw upper die, a reverse-lifting upper die, and an extending upper die. All the upper dies and some of the lower dies together constitute the pre-rolling station, the edge-rolling station, the pressure claw station, the reverse-lifting station, and the extending station. The remaining lower dies constitute the feeding station and the discharging station, respectively. Lifting devices are provided at positions corresponding to the pre-rolling station, the edge-rolling station, the pressure claw station, the reverse-lifting station, the extending station, and the discharging station. This invention can enhance the elasticity and feedback of the vacuum safety button on the aluminum cap, thereby optimizing the user experience of the aluminum cap.

Description

Technical Field

[0001] This invention relates to the technical field of cap manufacturing, and particularly to aluminum cap forming equipment and aluminum cap production line. Background Technology

[0002] Bottle caps come in various types, including threaded caps and claw caps. The sealing process for claw caps involves high-temperature sterilization after the cap is closed. Based on the principle of thermal expansion and contraction, some air inside the bottle escapes to the outside through the gap between the cap and the bottle. After cooling, the bottle is under negative pressure. To prevent users from consuming spoiled food, a vacuum safety button is installed at the top of the claw cap. When the bottle is under negative pressure, the vacuum safety button recoils inward under atmospheric pressure. When the bottle is under normal pressure, the vacuum safety button no longer recoils but instead springs back upward, serving as a warning.

[0003] Currently, the vacuum safety button on aluminum caps is typically made of stamped iron, which is prone to rust and significantly affects product quality. Therefore, aluminum can be used as a substitute. However, current production lines simply replace iron with aluminum without any adaptation. Given the significant differences in physical properties between aluminum and iron, the feedback from the vacuum safety button on aluminum caps is less pronounced than on iron caps, making it difficult for consumers to determine if the product is leaking.

[0004] Therefore, it is necessary to improve the existing cap-making equipment to adapt it to the production of aluminum caps. Summary of the Invention

[0005] The present invention aims to provide an aluminum cap forming device to solve one or more technical problems existing in the prior art, and at least provide a beneficial option or create conditions.

[0006] An aluminum cap forming apparatus according to a first aspect embodiment of the present invention includes:

[0007] The frame is equipped with a feeding channel and a discharging channel;

[0008] A rotary lifting module, connected to the frame, includes a turntable, a rotating device, and multiple lifting devices. The rotating device drives the turntable to rotate horizontally. Multiple lower dies are evenly distributed around the circumference of the turntable, and all lower dies are movably connected to the turntable in the vertical direction. Above the turntable and along the rotation direction of the turntable, the frame is sequentially provided with a pre-rolling upper die, an edge-rolling upper die, a pressure claw upper die, a reverse-lifting upper die, and an extension upper die. The position of any upper die corresponds to a... The lower mold positions, together with all the upper molds and some of the lower molds, constitute a pre-rolling station, an edge-rolling station, a pressing claw station, a reverse-topping station, and an extension station. The remaining lower molds constitute a feeding station and an output station, respectively. The feeding station and the output station are respectively connected to the feeding channel and the output channel. All lifting devices are located below the turntable, and each lifting device is provided at a position corresponding to the pre-rolling station, edge-rolling station, pressing claw station, reverse-topping station, extension station, and output station.

[0009] The aluminum cap forming equipment according to an embodiment of the present invention has at least the following beneficial effects: when the stamped aluminum cap blank enters the lower die of the feeding station from the feeding channel, the rotating device drives the turntable to rotate, thereby transferring the aluminum cap blank to the pre-coiling station. At the same time, the lifting device drives the lower die to move towards the pre-coiling upper die to achieve pre-coiling of the aluminum cap blank. After that, the above actions are repeated to sequentially complete the edge rolling, pressing, reverse lifting, and stretching of the aluminum cap blank. The reverse lifting station can increase the elasticity of the vacuum safety button. Since the ductility of aluminum is better than that of iron, the stretching station can increase its surface area by reducing the thickness of the top surface of the aluminum cap blank. According to the formula F=PS, under constant atmospheric pressure, the larger the force-bearing area, the greater the pressure, thereby enhancing the feedback of the vacuum safety button. Finally, the aluminum cap semi-finished product is transferred to the discharge station by the rotating device and lifted out by the lifting device.

[0010] According to some embodiments of the present invention, since each of the lower molds needs to be pressed together with different upper molds, all the lower molds have the same structure, and the center of the lower mold is provided with a protrusion to accommodate the vacuum safety button.

[0011] According to some embodiments of the present invention, the upper anti-top mold is provided with a horizontally arranged pressing surface according to the molding requirements; the upper extension mold is provided with a pressing surface that matches the protrusion.

[0012] According to some embodiments of the present invention, in order to save costs, the aluminum cover forming equipment further includes an eccentric drive device, which is used to drive all the lifting devices to move synchronously, so as to avoid setting too many power sources.

[0013] According to some embodiments of the present invention, each of the lifting devices specifically includes a lifting rod, a guide sleeve, and a transmission component. The guide sleeve is connected to the frame and provides guidance for the lifting rod in the vertical direction. The transmission component is located at the bottom end of the lifting rod, and the eccentric drive device drives the lifting rod to move upward through the transmission component.

[0014] According to some embodiments of the present invention, all transmission components are defined as first transmission components and second transmission components, respectively. The first transmission component has a transmission relationship with the eccentric drive device, and the second transmission component is fixedly connected to the first transmission component. Since all lifting devices are arranged along the turntable, all transmission components that can be arranged on the same straight line (i.e., the first transmission components) are driven to move synchronously by the eccentric drive device, while all transmission components that cannot be arranged on the same straight line (i.e., the second transmission components) are synchronized by being fixedly connected to the first transmission component.

[0015] According to some embodiments of the present invention, the feeding station, pre-rolling station, edge-rolling station, pressing claw station, reverse-topping station, extending station and discharge station are arranged sequentially along the rotation direction of the turntable to facilitate step-by-step processing.

[0016] According to some embodiments of the present invention, the number of the feeding station, pre-rolling station, edge rolling station, pressing claw station, reverse lifting station, stretching station and discharge station are all two or more, so that the aluminum cap forming equipment can simultaneously discharge multiple aluminum cap semi-finished products to improve production efficiency.

[0017] According to some embodiments of the present invention, the rotating device intermittently drives the turntable to rotate, and for this purpose, the rotating device may be a cam intermittent divider or a Geneva intermittent rotating device.

[0018] An aluminum cap production line according to a second aspect embodiment of the present invention includes a stamping device, an adhesive injection device, a drying device, and the aforementioned aluminum cap forming device. The stamping device, aluminum cap forming device, adhesive injection device, and drying device are arranged sequentially from upstream to downstream. The stamping device is connected to the feeding channel, the adhesive injection device is connected to the discharging channel, and the drying device is connected to the adhesive injection device.

[0019] The aluminum cap production line according to the present invention has at least the following beneficial effects: the stamping equipment is used to stamp out multiple aluminum cap blanks from aluminum plates, and then the aluminum cap blanks are conveyed to the feeding channel by a conveyor and fall into the lower die of the feeding station. After the aluminum cap forming equipment performs a series of processing on the aluminum cap blanks, the aluminum cap semi-finished products are discharged to the discharge channel. The aluminum cap semi-finished products on the discharge channel are conveyed to the glue injection equipment by a conveyor. The glue injection equipment injects glue into the inner surface of the aluminum cap semi-finished products to increase their sealing performance and corrosion resistance. The glue-injected aluminum cap semi-finished products are conveyed to the drying equipment by a conveyor for drying, and finally the finished aluminum caps are obtained.

[0020] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0021] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0022] Figure 1 This is a partial three-dimensional structural schematic diagram of the aluminum cap forming equipment according to an embodiment of the present invention;

[0023] Figure 2 yes Figure 1 The image shows a front view of the aluminum cap forming equipment.

[0024] Figure 3 yes Figure 1 The image shows a bottom view of the aluminum cap forming equipment.

[0025] Figure 4 This is a three-dimensional structural schematic diagram of the rotating device according to an embodiment of the present invention;

[0026] Figure 5 This is a schematic diagram of the reverse top process according to an embodiment of the present invention;

[0027] Figure 6 This is a schematic diagram of the extension process in an embodiment of the present invention.

[0028] In the attached diagram: 10-frame, 20-rotary lifting module, 200-turntable, 300-rotating device, 400-lifting device, 310-grooved wheel, 320-intermittent transmission block, 330-rotating shaft, 311-arc groove, 321-arc surface, 322-avoidance surface, 340-intermediate shaft, 500-lower mold, 510-guide post, 520-lower template, 521-lower mold cavity, 610-pre-rolling upper mold, 620-edge-rolling upper mold, 630-pressure claw upper mold, 640-reverse-lifting upper mold, 650-extending upper mold, 410-push rod, 420-guide sleeve, 430-transmission component, 431-first transmission component, 432-second transmission component, 522-protrusion, 710-vacuum safety button, 700-aluminum cover blank. Detailed Implementation

[0029] The embodiments of the present invention are described in detail below, examples of which are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0030] In the description of this invention, it should be understood that the orientation descriptions, such as up, down, front, back, left, right, etc., are based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention 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. Therefore, they should not be construed as limiting this invention.

[0031] In the description of this invention, "several" means one or more, "multiple" means two or more, "greater than," "less than," and "exceeding" are understood to exclude the stated number, while "above," "below," and "within" are understood to include the stated number. The use of "first" and "second" in the description is merely for distinguishing technical features and should not be construed as indicating or implying relative importance, or implicitly indicating the number of indicated technical features, or implicitly indicating the order of the indicated technical features.

[0032] In the description of this invention, unless otherwise explicitly defined, terms such as "setup," "installation," and "connection" should be interpreted broadly, and those skilled in the art can reasonably determine the specific meaning of the above terms in this invention in conjunction with the specific content of the technical solution.

[0033] like Figures 1 to 3As shown, the aluminum cover forming equipment according to the first aspect of the present invention mainly includes a frame 10 and a rotary lifting module 20. The frame 10 is the mounting reference for all components and is provided with a feeding channel and a discharging channel. The feeding channel is connected to an external stamping device (not shown in the figure) to receive the aluminum cover blank 700 punched from the stamping device. The discharging channel is connected to an external glue injection device (not shown in the figure) to realize glue injection after forming.

[0034] Furthermore, the rotary lifting module 20 includes a turntable 200, a rotating device 300, and multiple lifting devices 400. The rotating device 300 can be selected as a cam intermittent divider or a Geneva wheel intermittent rotating device. In this embodiment, the rotating device 300 is selected as a Geneva wheel intermittent rotating device, and its structure is as follows. Figure 4 As shown, the device includes a geared motor (not shown in the attached diagram), a grooved wheel 310, and an intermittent transmission block 320. The geared motor is mounted on the frame 10 and rigidly connected to a rotating shaft 330. The rotating shaft 330 is connected to the intermittent transmission block 320 via a key, allowing the geared motor to drive the intermittent transmission block 320 to rotate. The outer edge of the grooved wheel 310 has multiple arc-shaped grooves 311, which are evenly distributed circumferentially around the center of the grooved wheel 310. Each arc-shaped groove 311 has the same size. The number of arc-shaped grooves 311 is the indexing value of the rotating device 300. If the number of arc-shaped grooves 311 is 10, then the indexing value of the rotating device 300 is 10, and the indexing angle is 360° / 10 = 36°.

[0035] In addition to having an arc-shaped surface 321 that matches the arc-shaped groove 311, the intermittent transmission block 320 also has a clearance surface 322 that avoids the arc-shaped groove 311. In this case, the shape of the intermittent transmission block 320 can be a semi-circular arc. During the rotation of the intermittent transmission block 320 driven by the geared motor, the grooved wheel 310 will only rotate due to the transmission from the intermittent transmission block 320 when the arc-shaped surface 321 begins to enter the arc-shaped groove 311. When the arc-shaped surface 321 leaves the arc-shaped groove 311, the clearance surface 322 abuts against the outer edge of the grooved wheel 310 to limit its rotation, thereby achieving intermittent rotation of the grooved wheel 310. Both the grooved wheel 310 and the turntable 200 are horizontally arranged. The grooved wheel 310 is located directly below the turntable 200. The grooved wheel 310 and the turntable 200 are synchronously connected through an intermediate shaft 340. Therefore, the turntable 200 can achieve intermittent rotation under the drive of the reduction motor.

[0036] Furthermore, the number of the geared motor and the intermittent transmission block 320 can also be set to two, with the two intermittent transmission blocks 320 respectively distributed on both sides of the straight line of the Geneva 310. The two geared motors simultaneously drive the Geneva 310 to improve the stability and torque of the turntable 200 during rotation. It is understood that the present invention does not limit the number of geared motors and intermittent transmission blocks 320. In other embodiments, the number can be three, four, etc., but this would significantly increase manufacturing costs and the load on the control system.

[0037] like Figure 1 and Figure 2 As shown, the turntable 200 has multiple mounting holes, the number of which is consistent with the number of arc-shaped grooves 311. These mounting holes are evenly distributed circumferentially around the center of the turntable 200, and each mounting hole is movably connected to a lower mold 500. Specifically, each lower mold 500 includes a guide post 510 and a lower template 520. The guide post 510 passes through the mounting hole and guides the mold vertically along the hole. The lower template 520 is fixed to the guide post 510 and located on the turntable 200. The lower template 520 has an upward-opening lower mold cavity 521. The size of the lower template 520 is larger than the size of the mounting hole to prevent the lower mold 500 from slipping out of the mounting hole.

[0038] Correspondingly, the frame 10 is provided with a pre-rolling upper die 610, an edge-rolling upper die 620, a pressure claw upper die 630, a counter-topping upper die 640, and an extending upper die 650 sequentially above the turntable 200 and along the rotation direction of the turntable 200. Since the positions of the upper dies remain unchanged, while the positions of the lower dies 500 can change with the rotation of the turntable 200, the position of any one of the upper dies corresponds to the position of one of the lower dies 500. At this time, all the upper dies... Together with a portion of the lower molds 500, they form a pre-rolling station, an edge-rolling station, a pressing claw station, a reverse-ejection station, and an extension station. The remaining lower molds 500 form a feeding station and an exiting station, respectively. The feeding station and the exiting station are respectively connected to the feeding channel and the exiting channel. The feeding station, pre-rolling station, edge-rolling station, pressing claw station, reverse-ejection station, extension station, and exiting station are arranged sequentially along the rotation direction of the turntable 200 to facilitate step-by-step processing. It is understood that the number of stations in the aluminum cover forming equipment is consistent with the number of lower molds 500. In this embodiment, the number of lower molds 500 is at least seven.

[0039] To achieve the pressing and forming of the lower die 500 and the upper die, all lifting devices 400 are located below the turntable 200, and are provided at positions corresponding to the pre-rolling station, edge-rolling station, pressure claw station, reverse-lifting station, extension station, and discharge station. Specifically, each lifting device 400 includes a push rod 410 and a guide sleeve 420. The guide sleeve 420 is connected to the frame 10 and provides vertical guidance to the push rod 410. The lower die 500, along the movement path of the push rod 410, applies an upward force to the bottom of the push rod 410 to drive the lower die 500 upward against the upper die, thereby achieving the pressing and forming of the lower die 500 and the upper die.

[0040] To save manufacturing costs, all push rods 410 are synchronously controlled by a drive device (not shown in the figure). In this embodiment, the drive device can be an eccentric drive device, including but not limited to a crankshaft drive device and a cam drive device. Regardless of the structure of the eccentric drive device, a transmission component 430 needs to be provided at the bottom end of the push rod 410. The eccentric drive device drives the push rod 410 to move upward through the transmission component 430.

[0041] In some embodiments, the downward movement of the push rod 410 is caused by gravity, while in other embodiments, the push rod 410 is assembled with the eccentric drive device through the transmission member 430, so that the eccentric drive device can drive the push rod 410 to move downward.

[0042] like Figure 3 As shown, since all lifting devices 400 are arranged along the turntable 200, all transmission components 430 (i.e., first transmission components 431) that can be arranged on the same straight line can be driven to move synchronously by the eccentric drive device. All transmission components 430 (i.e., second transmission components 432) that cannot be arranged on the same straight line are driven to move synchronously by being fixedly connected to the first transmission component 431. Since all lower molds 500 are circumferentially distributed on the turntable 200, all transmission components 430 that can be arranged on the same straight line can be divided into two groups, i.e., all first transmission components 431 can be divided into two groups. Each group of first transmission components 431 has a transmission relationship with one eccentric drive device. The number of eccentric drive devices is equal to the number of groups of first transmission components 431. However, all eccentric drive devices can be synchronously driven through a transmission assembly to ultimately achieve a single power source (not shown in the attached figure) controlling the upward movement of all lifting devices 400.

[0043] Since each of the lower dies 500 needs to be pressed and formed with different upper dies, all lower dies 500 have the same structure, and the center of the lower die cavity 521 is provided with a protrusion 522 to accommodate the vacuum safety button 710. For the pre-rolled upper die 610, the edge-rolling upper die 620, and the pressing claw upper die 630, they can use the same mold structure as when forming the iron cap; the specific structure will not be described in detail here. The reason for edge-rolling the bottle cap is to increase its strength and to press out a claw position that can be spirally connected to the bottle mouth. After stamping, the cap body is straight, and the edge cannot be rolled up in a single edge-rolling process; therefore, a pre-rolling process is needed to bend the edge slightly before edge-rolling.

[0044] like Figure 5 As shown, this is a structural schematic diagram of the reverse-topping process. The reverse-topping upper mold 640 has a horizontally positioned pressing surface. During pressing, the reverse-topping upper mold 640 is wrapped by the aluminum cap blank 700, meaning the size of the reverse-topping upper mold 640 is smaller than the opening size of the aluminum cap blank 700. Although the vacuum safety button 710 of the aluminum cap is formed during stamping, its resilience is weak. During the reverse-topping process, when the lower mold 500 pushes the aluminum cap blank 700 upwards against the reverse-topping upper mold 640, the reverse-topping upper mold 640 can reverse-press the vacuum safety button 710 of the aluminum cap to increase its elasticity and prevent the vacuum safety button 710 from failing to spring back upwards due to insufficient elasticity when the bottle leaks air.

[0045] like Figure 6 As shown, this is a structural schematic diagram of the stretching process. The upper stretching die 650 is provided with a pressing surface that matches the protrusion 522. During pressing, the upper stretching die 650 is wrapped by the aluminum cover blank 700, meaning the size of the upper stretching die 650 is smaller than the opening size of the aluminum cover blank 700. Since aluminum has better ductility than iron, when the lower die 500 pushes the aluminum cover blank 700 upwards towards the upper stretching die 650, the upper stretching die 650 can fully press the top surface of the aluminum cover blank 700. This increases the surface area by reducing the thickness of the top surface of the aluminum cover blank 700. According to the formula F=PS, under constant atmospheric pressure, a larger force-bearing area results in greater pressure, thereby enhancing the feedback of the aluminum cover vacuum safety button 710.

[0046] Using the above structure, after the stamped aluminum cover blank 700 enters the lower die 500 of the feeding station from the feeding channel, the rotating device 300 drives the turntable 200 to rotate intermittently, so as to accurately transfer all the aluminum cover blanks 700 to the next station. At the same time, all the lifting devices 400, driven by the eccentric driving device, simultaneously lift the corresponding lower die 500 upward, so that the aluminum cover blank 700 located at the pre-coiling station can be pressed upward against the pre-coiling upper die 610, and the aluminum cover blank 700 located at the edge-rolling station can be pressed upward against the edge-rolling upper die. 620, the aluminum cover blank 700 located at the pressing claw station can be pressed upwards towards the upper die 630 of the pressing claw, the aluminum cover blank 700 located at the reverse lifting station can be pressed upwards towards the upper die 640 of the reverse lifting station, the aluminum cover blank 700 located at the extension station can be pressed upwards towards the extension upper die 650, and the aluminum cover blank 700 located at the discharge station can be lifted upwards and discharged into the discharge channel. After the lifting device 400 stops lifting the corresponding lower die 500, the position of the lower die 500 drops accordingly. After this, the above steps are repeated to realize the step-by-step processing of the aluminum cover.

[0047] like Figure 3 As shown, in some embodiments of this invention, the number of the feeding station, pre-rolling station, edge-rolling station, pressing claw station, reverse-topping station, extending station, and discharging station are all two or more, enabling the aluminum cap forming equipment to simultaneously discharge multiple aluminum cap semi-finished products, thereby improving production efficiency. Because aluminum caps have good plasticity, the required pressing force is relatively small, and even if all lifting devices 400 share the same power source, they can still successfully press and form the aluminum caps. However, this invention does not limit all lifting devices 400 to using only one power source. In other embodiments, multiple power sources can be used to drive all lifting devices 400 separately, and the invention is not limited to the embodiments described above.

[0048] The aluminum cap production line according to a second aspect of the present invention includes an aluminum cap forming device according to the first aspect of the present invention, and further includes a stamping device, an adhesive injection device, and a drying device (not shown in the figures). The stamping device, adhesive injection device, and drying device can all adopt the structure used in the iron cap making process. The stamping device, aluminum cap forming device, adhesive injection device, and drying device are arranged sequentially from upstream to downstream. The stamping device is connected to the feeding channel, the adhesive injection device is connected to the discharging channel, and the drying device is connected to the adhesive injection device.

[0049] The stamping equipment is used to stamp multiple aluminum cover blanks 700 from aluminum plates. The aluminum cover blanks 700 are then conveyed to the feeding channel by a conveyor and fall into the lower die 500 of the feeding station. After a series of processing steps on the aluminum cover blanks 700, the aluminum cover semi-finished products are discharged to the discharge channel. The aluminum cover semi-finished products on the discharge channel are conveyed to the glue injection equipment by a conveyor. The glue injection equipment injects glue into the inner surface of the aluminum cover semi-finished products to increase their sealing and corrosion resistance. After being glued, the aluminum cover semi-finished products are conveyed to the drying equipment by a conveyor for drying to finally obtain the finished aluminum cover.

[0050] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. An aluminum cap forming equipment, characterized in that, include: The frame (10) is provided with a feeding channel and a discharging channel; A rotary lifting module (20) is connected to the frame (10). The rotary lifting module (20) includes a turntable (200), a rotating device (300), and multiple lifting devices (400). The rotating device (300) drives the turntable (200) to rotate horizontally. Multiple lower dies (500) are evenly distributed around the circumference of the turntable (200). All the lower dies (500) are movably connected to the turntable (200) in the vertical direction. All the lower dies (500) have the same structure. The center of each lower die (500) is provided with a protrusion (522). The frame (10) is provided above the turntable (200) and sequentially along the rotation direction of the turntable (200) with a pre-rolling upper die (610), an edge-rolling upper die (620), a pressure claw upper die (630), and a reverse-lifting upper die (640). The upper die (650) and the upper die (640) are provided with a horizontally arranged pressing surface. The upper die (650) is provided with a pressing surface that matches the protrusion (522). The position of any upper die corresponds to the position of a lower die (500). All the upper dies and some of the lower dies (500) together constitute a pre-rolling station, a crimping station, a pressing claw station, a reverse pressing station, and an extension station. The remaining lower dies (500) respectively constitute a feeding station and a discharging station. The feeding station and the discharging station are respectively connected to the feeding channel and the discharging channel. All the lifting devices (400) are located below the turntable (200). The lifting devices (400) are provided at the positions corresponding to the pre-rolling station, the crimping station, the pressing claw station, the reverse pressing station, the extension station, and the discharging station.

2. The aluminum cap forming equipment according to claim 1, characterized in that: It also includes an eccentric drive device, which is used to drive all the lifting devices (400) to move synchronously.

3. The aluminum cap forming equipment according to claim 2, characterized in that: Each of the lifting devices (400) includes a lifting rod (410), a guide sleeve (420), and a transmission element (430). The guide sleeve (420) is connected to the frame (10) and provides vertical guidance for the lifting rod (410). The transmission element (430) is located at the bottom end of the lifting rod (410). The eccentric drive device drives the lifting rod (410) to move upward through the transmission element (430).

4. The aluminum cap forming equipment according to claim 3, characterized in that: All transmission components (430) are defined as first transmission component (431) and second transmission component (432), respectively. The first transmission component (431) has a transmission relationship with the eccentric drive device, and the second transmission component (432) is fixed to the first transmission component (431).

5. The aluminum cap forming equipment according to claim 1, characterized in that: The feeding station, pre-rolling station, edge-rolling station, pressing claw station, reverse-topping station, extension station and discharge station are arranged sequentially along the rotation direction of the turntable (200).

6. The aluminum cap forming equipment according to claim 5, characterized in that: The number of each of the feeding station, pre-rolling station, edge-rolling station, pressing claw station, reverse-topping station, extension station, and discharge station is two or more.

7. The aluminum cap forming equipment according to claim 1, characterized in that: The rotating device (300) intermittently drives the turntable (200) to rotate.

8. An aluminum cap production line, characterized in that, The aluminum cap forming equipment as described in any one of claims 1 to 7 further includes: a stamping device, an adhesive injection device, and a drying device, wherein the stamping device, the aluminum cap forming device, the adhesive injection device, and the drying device are arranged sequentially from upstream to downstream, the stamping device is connected to the feeding channel, the adhesive injection device is connected to the discharging channel, and the drying device is connected to the adhesive injection device.

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