Cylindrical power lithium battery cap covering machine

Abstract

The invention relates to the technical field of lithium battery production, and discloses a cylindrical power lithium battery cap covering machine which comprises a base plate, a vertical frame is installed on the base plate, a conveying disc is rotatably installed on the base plate, a workpiece tray is rotatably arranged on the conveying disc, an air cylinder is installed on the vertical frame, and the telescopic end of the air cylinder is fixedly connected with a lifting plate. An airtight piston barrel is fixedly installed on the side portion of the vertical frame, a piston plate is slidably installed in the airtight piston barrel, a blowing disc is fixedly installed at the bottom of the lifting plate, a first air pipe is connected between the blowing disc and the airtight piston barrel, an edge covering mold is movably installed below the lifting plate, adsorption holes are formed in the workpiece tray, and a driving motor is arranged in the conveying disc. According to the scheme, air pressure is used for replacing physical pressing, under the condition that the air pressure does not make contact with the top face of the cap, the cap does not deviate during rotation, the negative pressure is generated through the adsorption holes to adsorb the cap, and the machining cleanliness is kept.

Description

Technical Field

[0001] The present invention relates to the technical field of lithium battery production, and in particular to a cylindrical power lithium battery capping and edge wrapping machine. Background Art

[0002] In related technologies, the cap of a cylindrical power lithium battery is an important component of the battery. It is located at the top of the battery and plays a role in protecting the internal structure of the battery and ensuring the battery's safety performance. The cap of a cylindrical power lithium battery is an important component of the battery. It is located at the top of the battery and plays a role in protecting the internal structure of the battery and ensuring the battery's safety performance. In the processing of the cylindrical power lithium battery cap, after welding is completed, in order to further improve the stability and airtightness of the fixation between the explosion-proof plate and the top cover, the edges of the explosion-proof plate and the top cover are usually hemmed.

[0003] During the existing cap hemming processing, in order to prevent the workpiece from being thrown out during high-speed rotation, a cylinder is used to support the top of the workpiece. Even if the cylinder is installed movably at the bottom end, relative friction is still inevitable on the contact surface when the workpiece rotates at high speed, thereby damaging the top of the cap and affecting the quality of the lithium battery cap. Therefore, it does not meet the existing needs. In this regard, we propose a cylindrical power lithium battery cap hemming machine. Summary of the Invention

[0004] The present invention provides a cylindrical power lithium battery cap hemming machine, which can reduce the friction with the workpiece surface during hemming, thereby reducing damage to it. It solves the problem mentioned in the above background technology that even if the cylinder presses down the end and is movably installed, relative friction is still inevitably generated on the contact surface when the workpiece rotates at high speed, thereby causing damage to the top of the cap and affecting the quality of the lithium battery cap.

[0005] In order to achieve the above-mentioned objectives, the present disclosure provides a cylindrical power lithium battery capping and edging machine, comprising a base plate, a vertical frame is installed on the base plate, a conveying disk is rotatably installed on the base plate, a workpiece pallet is rotatably set on the conveying disk, a cylinder is installed on the vertical frame, the telescopic end of the cylinder is fixedly connected to a lifting plate, an airtight piston cylinder is fixedly installed on the side of the vertical frame, a piston plate is slidably installed inside the airtight piston cylinder, a blowing plate is fixedly installed on the bottom of the lifting plate, a first air pipe is connected between the blowing plate and the airtight piston cylinder, an edging mold is movably installed under the lifting plate, an adsorption hole is provided in the workpiece pallet, a driving motor is provided in the conveying disk, and a negative pressure component is provided in the conveying disk, which is used to allow the adsorption hole to generate negative pressure to adsorb the workpiece before processing.

[0006] Optionally, a number of placement grooves are annularly arrayed on the transfer disk, the workpiece tray is disposed in the placement grooves, a protective frame is installed at the bottom of the placement grooves, and the drive motor is installed in the protective frame.

[0007] Optionally, the negative pressure assembly includes a chassis fixedly installed on the protective frame, an air pump is installed on the chassis, and the air suction port of the air pump is communicated with the adsorption hole.

[0008] Optionally, the negative pressure assembly includes a chassis rotatably installed on the protective frame, an adsorption airbag is fixedly installed on the chassis, the air suction port of the adsorption airbag is communicated with the adsorption hole, a one-way exhaust valve is arranged on the side of the adsorption airbag, a traveling rod is fixedly arranged at the bottom of the protective frame, and an adsorption bump and a blanking bump are arranged on the substrate, and the traveling rod intermittently abuts against the adsorption bump and the blanking bump.

[0009] Optionally, the protective frame is slidably and snap-fitted with the placement groove, the output shaft of the drive motor is connected with a movable shaft, the workpiece tray is fixedly provided with a rotating cylinder, the movable shaft is inserted into the rotating cylinder, and a support spring is installed between the two. The chassis is connected with the movable shaft, and a rotating disk is installed on the side of the rotating cylinder, and the rotating disk is located on the top of the adsorption airbag.

[0010] Optionally, a support plate is fixedly installed on the side of the vertical frame, the airtight piston cylinder is arranged on the support plate, a piston rod is installed at the bottom of the lifting plate, the piston rod is connected with the piston plate, a shaping ring is movably connected to the bottom side of the lifting plate, and the edge wrapping die is arranged below the shaping ring.

[0011] Optionally, a pressing edge shell is fixedly installed on the bottom side of the shaping ring, a smooth rod is fixedly installed inside the pressing edge shell, a toothed sleeve is slidably sleeved on the smooth rod, the edge wrapping die is fixedly connected with the toothed sleeve, sliding grooves are formed on both sides of the shaping ring, sliding blocks are slidably snap-fitted in the sliding grooves, a connecting rod is connected to the bottom of the sliding blocks, the connecting rod is slidably installed outside the smooth rod, and the connecting rod contacts with one end of the toothed sleeve away from the edge wrapping die.

[0012] Optionally, a pneumatic box is fixedly installed on the outside of the shaping ring, a piston end plate is connected to the end of the sliding block, the piston end plate is slidably installed in the pneumatic box, a fixed sleeve is fixedly installed at the bottom of the lifting plate, a piston plug board is integrally connected to the shaping ring, the piston plug board is slidably installed in the fixed sleeve to form an air cavity, and a second air pipe is connected between the air cavity and the pneumatic box. A return spring is installed on the top of the piston plug board; A pressure spring is installed between the sliding block and the sliding groove.

[0013] Optionally, an extension plate is fixedly installed on the side of the hemming shell. Output gears and input gears are respectively rotatably installed at both ends of the extension plate. A transmission belt is connected between the output gear and the input gear. A rack is arranged on the side wall of the vertical frame. The input gear meshes with the rack. The toothed sleeve meshes with the output gear. A cleaning sponge for wiping the edge wrapping die is arranged on the hemming shell.

[0014] Optionally, a shaping airbag is installed at the bottom edge of the blowing disc. The shaping airbag is connected with a third air pipe. The other end of the third air pipe is communicated with the first air pipe. A plurality of air vent holes are opened at the bottom of the shaping airbag. The shaping airbag is arranged as an annular airbag, and a folding part is arranged on one side of the shaping airbag adjacent to the inner ring. An air injection hole and a pressure vent hole are opened on the air pressure box. The air injection hole is connected with the second air pipe. The pressure vent hole is externally communicated for the sliding block to reset.

[0015] Through the above technical solutions, when the cylindrical power lithium battery cap edge wrapping machine provided by the present disclosure is in use: during the downward movement of the lifting plate, the gas in the airtight piston cylinder is continuously discharged. Under the guidance of the first air pipe and the third air pipe, the air flow is divided into two parts and blown out from the bottom of the blowing disc and the shaping ring, so as to blow dust over a large area and improve the cleaning effect. Moreover, when the distance from the cap is far, the dust is blown, and when the edge wrapping die contacts the cap, the cap is kept clean. When the edge wrapping die presses the edge of the cap, the distance is relatively close and the relative pressure increases. Therefore, the wind pressure is used to replace physical pressing, so that the cap does not deviate when rotating without contacting the top surface of the cap, and the cap is adsorbed by negative pressure through the adsorption holes, greatly improving the stability of the cap.

[0016] Other features and advantages of the present disclosure will be described in detail in the subsequent specific implementation part. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The drawings are used to provide a further understanding of the present disclosure, and constitute a part of the specification. They are used to explain the present disclosure together with the following specific implementation manners, but do not constitute a limitation to the present disclosure. In the drawings: Figure 1 is the overall three-dimensional structure schematic diagram of the present invention.

[0018] Figure 2 is the three-dimensional exploded structure schematic diagram of the present invention.

[0019] Figure 3 is of the present invention Figure 2 The enlarged structure schematic diagram of part A.

[0020] Figure 4 is the partial front view structure schematic diagram of the present invention.

[0021] Figure 5 Schematic structural diagram of the edge wrapping die of the present invention.

[0022] Figure 6 Partial three-dimensional structural diagram of the present invention in the normal state.

[0023] Figure 7 Partial three-dimensional structural diagram of the present invention during processing.

[0024] Figure 8 Partial side view cross-sectional structural diagram of the present invention.

[0025] Figure 9 For the present invention Figure 8 Enlarged structural diagram at position B.

[0026] Figure 10 Schematic structural diagram of the blowing disc and the shaping ring of the present invention.

[0027] Figure 11 For the present invention Figure 10 Enlarged structural diagram at position C.

[0028] Explanation of reference numerals: 10, substrate; 20, transfer disc; 21, transfer motor; 22, placement groove; 30, vertical frame; 40, cylinder; 50, workpiece tray; 51, adsorption hole; 110, lifting plate; 120, shaping ring; 121, sliding groove; 130, support plate; 140, edge wrapping die; 141, cleaning sponge; 210, airtight piston cylinder; 220, piston rod; 230, piston plate; 310, fixed sleeve; 320, piston insertion plate; 330, return spring; 410, first air pipe; 420, third air pipe; 430, second air pipe; 510, blowing disc; 520, shaping airbag; 521, ventilation hole; 522, folding part; 610, traveling rod; 620, protection frame; 630, driving motor; 640, movable shaft; 650, rotating cylinder; 660, support spring; 670, rotating disc; 680, adsorption airbag; 681, one-way exhaust valve; 690, chassis; 710, edge pressing shell; 720, air pressure box; 721, air injection hole; 722, pressure passage hole; 730, sliding block; 731, pressure spring; 740, piston end plate; 750, connecting rod; 760, smooth rod; 770, toothed sleeve; 780, extension plate; 790, output gear; 791, transmission belt; 792, input gear; 793, rack; 810, adsorption bump; 820, blanking bump; 830, annular slideway. Detailed implementation manners

[0029] To make the above objects, features, and advantages of the present disclosure more apparent and understandable, the following provides a detailed description of the specific embodiments of the present disclosure in conjunction with the accompanying drawings. Many specific details are set forth in the following description to facilitate a full understanding of the present disclosure. However, the present disclosure can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the spirit of the present disclosure. Therefore, the present disclosure is not limited by the specific embodiments disclosed below.

[0030] In the description of the present disclosure, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These are only for the convenience of describing the present disclosure and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present disclosure. The terms "first", "second" are used to distinguish one element from another and do not have a sequential or important meaning. In addition, in the following description when referring to the accompanying drawings, the same reference numerals in different drawings represent the same or similar elements, and the present disclosure will not repeat them here.

[0031] In the present disclosure, unless otherwise clearly specified and limited, the terms "mounted", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two elements or the interaction relationship between two elements, unless otherwise clearly limited. For those of ordinary skill in the art, the specific meanings of the above terms in the present disclosure can be understood according to specific circumstances.

[0032] According to some embodiments of the present disclosure, a cylindrical power lithium battery cap edge wrapping machine is provided. As shown in Figures 1 - 11 , the cylindrical power lithium battery cap edge wrapping machine includes a base plate 10. A vertical frame 30 is mounted on the base plate 10. A transfer disk 20 is rotatably mounted on the base plate 10. A transfer motor 21 is mounted at the center of the base plate 10. The output shaft of the transfer motor 21 is connected to the center of the transfer disk 20.

[0033] A workpiece tray 50 is rotatably arranged on a transfer plate 20. A cylinder 40 is installed on a vertical frame 30. The telescopic end of the cylinder 40 is fixedly connected to a lifting plate 110. An airtight piston cylinder 210 is fixedly installed on the side of the vertical frame 30. A piston plate 230 is slidably installed inside the airtight piston cylinder 210. A blowing disc 510 for blowing dust on the workpiece below and achieving balance by air pressure is fixedly installed at the bottom of the lifting plate 110. A first air pipe 410 is connected between the blowing disc 510 and the airtight piston cylinder 210. A hemming die 140 for pressing the edge of the workpiece is movably installed below the lifting plate 110. Adsorption holes 51 are arranged in the workpiece tray 50. A drive motor 630 is arranged inside the transfer plate 20 for driving the workpiece tray 50 to rotate. A negative pressure assembly is arranged in the transfer plate 20 for generating negative pressure in the adsorption holes 51 to adsorb the workpiece before processing.

[0034] In this way, when the hemming die 140 presses the edge of the cap, air pressure is used instead of physical pressing. When the cap rotates without contact with the top surface of the cap, it does not deviate, and the cap is adsorbed by generating negative pressure through the adsorption holes 51, greatly improving the stability of the cap.

[0035] In addition, a number of placement grooves 22 are annularly arranged on the transfer plate 20. The workpiece tray 50 is arranged in the placement grooves 22. A protective frame 620 is installed at the bottom of the placement grooves 22. The drive motor 630 is installed in the protective frame 620.

[0036] Furthermore, as shown in Figure 8 , a support plate 130 is fixedly installed on the side of the vertical frame 30. The airtight piston cylinder 210 is arranged on the support plate 130. A piston rod 220 is installed at the bottom of the lifting plate 110. The piston rod 220 is connected to the piston plate 230. A shaping ring 120 is movably connected to the bottom side of the lifting plate 110. The hemming die 140 is arranged below the shaping ring 120.

[0037] A pressing shell 710 is fixedly installed on the bottom side of the shaping ring 120. A smooth rod 760 is fixedly installed inside the pressing shell 710. A toothed sleeve 770 is slidably sleeved on the smooth rod 760. The hemming die 140 is fixedly connected to the toothed sleeve 770. Sliding grooves 121 are opened on both sides of the shaping ring 120. A sliding block 730 is slidably engaged in the sliding grooves 121. A connecting rod 750 is fixedly connected to the bottom of the sliding block 730. The connecting rod 750 is slidably installed outside the smooth rod 760 and contacts the end of the toothed sleeve 770 away from the hemming die 140.

[0038] Specifically, as shown in Figure 5, an air pressure box 720 is fixedly installed on the outside of the shaping ring 120, and the end of the sliding block 730 is connected to the piston end plate 740, which is slidably installed in the air pressure box 720. A fixed sleeve 310 is fixedly installed at the bottom of the lifting plate 110, and a piston insert plate 320 is integrally connected to the shaping ring 120. The piston insert plate 320 is slidably installed in the fixed sleeve 310 to form an air cavity, and a second air pipe 430 is connected between the air cavity and the air pressure box 720. A return spring 330 is installed on the top of the piston insert plate 320; A pressure spring 731 is installed between the sliding block 730 and the sliding slot 121 .

[0039] An extension plate 780 is fixedly mounted on the side of the pressure shell 710. An output gear 790 and an input gear 792 are rotatably mounted on each end of the extension plate 780. A transmission belt 791 is connected between the output gear 790 and the input gear 792. The transmission belt 791 connects the rotating shafts of the output gear 790 and the input gear 792 to achieve transmission between the two. The use of the transmission belt 791 as a transmission tool is a conventional technical means and will not be elaborated here.

[0040] A rack 793 is provided on the side wall of the stand 30, the input gear 792 is engaged with the rack 793, the toothed sleeve 770 is engaged with the output gear 790, and a cleaning sponge 141 for wiping the hemming mold 140 is provided on the edge pressing shell 710.

[0041] Moreover, when the lifting plate 110 moves downward, the output gear 790 rotates through the engagement of the input gear 792 and the rack 793, so that the toothed sleeve 770 drives the edging mold 140 to flip 180°. The contact surface of the edging mold 140 is wiped by the cleaning sponge 141 and then rotated downward, which not only keeps the workpiece clean, but also allows the edging mold 140 in contact with the workpiece to be automatically cleaned, reducing manual operation costs, reducing unnecessary friction caused by dust when the two are in contact, and further improving the effect of the edging processing of cylindrical lithium battery caps.

[0042] In some embodiments, a negative pressure component is provided in the conveyor disk 20, which is used to allow the adsorption hole 51 to generate negative pressure to adsorb the workpiece before processing. In this embodiment, the negative pressure component includes a chassis 690 fixedly mounted on the protective frame 620, and an air pump is installed on the chassis 690, and the air pump suction port is connected to the adsorption hole 51.

[0043] When the workpiece pallet 50 on the conveyor disk 20 is about to move to the bottom of the cylinder 40, the air pump runs to draw air, causing the adsorption hole 51 to generate negative pressure, thereby adsorbing the cylindrical lithium battery cap in the workpiece pallet 50. Even if the top of the cap is not subsequently resisted and limited, the cap will not fall off the workpiece pallet 50.

[0044] In other embodiments, a negative pressure component is provided in the conveyor disc 20 for allowing the adsorption holes 51 to generate negative pressure to adsorb the workpiece before processing. Figure 2 、 Figure 8 and Figure 9 As shown in the figure, the negative pressure component includes a chassis 690 rotatably mounted on the protective frame 620, an adsorption airbag 680 is fixedly mounted on the chassis 690, the suction port of the adsorption airbag 680 is connected to the adsorption hole 51, a one-way exhaust valve 681 is provided on the side of the adsorption airbag 680, a traveling rod 610 is fixedly provided on the bottom of the protective frame 620, an adsorption bump 810 and a stripping bump 820 are provided on the substrate 10, and the traveling rod 610 intermittently conflicts with the adsorption bump 810 and the stripping bump 820.

[0045] See Figure 9 The protective frame 620 is slidably engaged with the receiving groove 22. The output shaft of the drive motor 630 is connected to the movable shaft 640. The workpiece pallet 50 is fixedly provided with a rotating cylinder 650. The movable shaft 640 is inserted into the rotating cylinder 650, and a support spring 660 is installed between the two. The chassis 690 is connected to the movable shaft 640. A rotating disk 670 is installed on the side of the rotating cylinder 650. The rotating disk 670 is located on the top of the adsorption airbag 680. The rotating cylinder 650 is rotatably engaged with the receiving groove 22 through the sliding groove.

[0046] Through the cooperation of the support spring 660 and the rotating cylinder 650 , when the driving motor 630 moves upward along with the protection frame 620 , the movable shaft 640 also moves upward, and the support spring 660 is compressed to store force.

[0047] Specifically, the suction protrusion 810 and the stripping protrusion 820 are both configured as annular protrusions, with the suction protrusion 810 located in front of the hemming area and the stripping protrusion 820 located in the unloading area. An annular slide 830 is mounted on the base plate 10, located on both sides of the suction protrusion 810 and the stripping protrusion 820, and is used to provide a position limit for the travel rod 610.

[0048] When the workpiece pallet 50 on the conveyor disk 20 is about to move to the bottom of the cylinder 40, the travel rod 610 collides with the adsorption protrusion 810 and then staggers, causing the protective frame 620 to move up and then down as a whole, thereby squeezing the adsorption airbag 680 and releasing it through rebounding of the support spring 660. Since a one-way exhaust valve 681 is provided on the adsorption airbag 680, when the adsorption airbag 680 is squeezed, the gas inside is discharged from the one-way exhaust valve 681 alone, and will not affect the cap on the workpiece pallet 50. When the adsorption airbag 680 is released, the internal air pressure changes and air needs to be inhaled, thereby generating negative pressure to adsorb the cap.

[0049] Similarly, after the processing is completed, the advancing rod 610 abuts against the stripping lug 820 again. Since the stripping lug 820 is longer than the adsorption lug 810, the extrusion time is longer. When the adsorption airbag 680 is squeezed, the negative pressure is broken, thus not affecting the feeding of the cap.

[0050] In some embodiments of the present disclosure, as shown in Figures 1 - 11 shown, a shaping airbag 520 is installed at the bottom edge of the blowing disc 510. The shaping airbag 520 is connected to a third air pipe 420, and the other end of the third air pipe 420 is communicated with the first air pipe 410. A plurality of air vent holes 521 are opened at the bottom of the shaping airbag 520. The shaping airbag 520 is arranged as an annular airbag, and a folding part 522 is arranged on one side of the shaping airbag 520 adjacent to the inner ring; An air injection hole 721 and a pressure vent hole 722 are opened on the air pressure box 720. The air injection hole 721 is connected to the second air pipe 430, and the pressure vent hole 722 communicates externally for the slider 730 to reset.

[0051] Among them, the shaping ring 120 is arranged as a plate with a circular hole in the middle, and the circular hole of the shaping ring 120 corresponds coaxially to the workpiece tray 50 and the blowing disc 510. The shaping airbag 520 is also coaxially installed with the blowing disc 510. The shaping airbag 520 is arranged as an airbag with the bottom exposed, and the bottom of the shaping airbag 520 is made of fluororubber for pressing and shaping the explosion-proof part after edge wrapping.

[0052] Through the setting of the air vent holes 521, during the downward movement of the lifting plate 110, the gas in the airtight piston cylinder 210 is continuously discharged. Under the guidance of the first air pipe 410 and the third air pipe 420, the air flow is divided into two parts and blown out from the bottom of the blowing disc 510 and the shaping ring 120, so as to blow dust over a large area and improve the cleaning effect; not only that, when the distance from the cap is far, the dust is blown, and the cap is kept clean when the edge wrapping die 140 contacts the cap. When the edge wrapping die 140 presses the edge of the cap, the distance is relatively close and the relative pressure increases, so as to use the wind pressure instead of physical pressing.

[0053] Specifically, as shown in Figure 11 , the folding part 522 is arranged as a wrinkled part. When the shaping airbag 520 is internally sealed and inflated, the deformation amount of the folding part 522 is greater than that of other positions.

[0054] Through the above technical solution, when the cylindrical power lithium battery cap edging machine proposed in the present invention is in use, the lifting plate 110 moves downward, and the shaping ring 120 first conflicts with the support plate 130, so that the shaping ring 120 stops moving downward, and the edging mold 140 contacts the cap, but the edge pressing pressure is insufficient and the edging cannot be completed. Through the change in the relative position of the shaping ring 120 and the lifting plate 110, the gas in the fixed sleeve 310 enters the air pressure box 720, thereby pushing the sliding block 730 to move, driving the toothed sleeve 770 and the edging mold 140 to push inward, thereby realizing the advancement of the cap explosion-proof plate by the edging mold 140. When the piston end plate 740 moves to the point where the air injection hole 721 is connected to the pressure hole 722, the air pressure inside the air pressure box 720 is broken. At this time, the fixed sleeve 310 and the piston insert plate 320 are compressed to the bottom, causing the pressure spring 731 to rebound and the sliding block 730 to reset, causing the edge-binding mold 140 to leave the cap. Since the lifting plate 110 is still moving downward, the shaping airbag 520 at the bottom of the blowing plate 510 contacts the cap to achieve downward pressure shaping. At this time, the air hole 521 is sealed by fitting with the cap, and the shaping airbag 520 expands internally, causing one side of the folding portion 522 to be pressed outward, and the flexible edge pressing increases the pressure at the edge-binding opening of the cap without damaging the cap, thereby improving the sealing of the edge. Multiple steps such as cleaning, positioning, edge binding, and shaping are completed in one downward pressure action, greatly improving efficiency.

[0055] It should be noted that when the shaping airbag 520 contacts the cap, the airtight piston cylinder 210 is basically at the top, the air volume is small, and the interior of the shaping airbag 520 expands slightly to compensate for the slight deformation at the edge opening.

[0056] The preferred embodiments of the present disclosure are described in detail above in conjunction with the accompanying drawings. However, the present disclosure is not limited to the specific details of the above embodiments. Within the technical concept of the present disclosure, various simple modifications can be made to the technical solutions of the present disclosure, and these simple modifications all fall within the scope of protection of the present disclosure.

[0057] It should also be noted that the various specific technical features described in the above specific embodiments can be combined in any appropriate manner without contradiction. In order to avoid unnecessary repetition, the present disclosure will not further describe various possible combinations.

[0058] In addition, the various embodiments of the present disclosure may be arbitrarily combined, and as long as they do not violate the concept of the present disclosure, they should also be regarded as the contents disclosed by the present disclosure.

Claims

1. A cylindrical power lithium battery cap edge-wrapping machine, comprising a base plate (10), a vertical frame (30) is installed on the base plate (10), a transfer disk (20) is rotatably installed on the base plate (10), and a workpiece tray (50) is rotatably arranged on the transfer disk (20), characterized in that: A cylinder (40) is installed on the vertical frame (30). The telescopic end of the cylinder (40) is fixedly connected to a lifting plate (110). An airtight piston cylinder (210) is fixedly installed on the side of the vertical frame (30). A piston plate (230) is slidably installed inside the airtight piston cylinder (210). A blowing disc (510) is fixedly installed at the bottom of the lifting plate (110). A first air pipe (410) is connected between the blowing disc (510) and the airtight piston cylinder (210). A hemming die (140) is movably installed below the lifting plate (110). Adsorption holes (51) are provided in the workpiece tray (50). A drive motor (630) is provided in the transfer disc (20). A negative pressure assembly is provided in the transfer disc (20) to generate negative pressure in the adsorption holes (51) to adsorb the workpiece before processing.

2. The cylindrical power lithium battery cap edge wrapping machine according to claim 1, wherein: A number of placement grooves (22) are annularly and arrayedly formed on the transfer disc (20). The workpiece tray (50) is arranged in the placement grooves (22). A protective frame (620) is installed at the bottom of the placement grooves (22). The drive motor (630) is installed in the protective frame (620).

3. A cylindrical power lithium battery cap edge wrapping machine according to claim 2, characterized in that: The negative pressure assembly includes a chassis (690) fixedly installed on the protective frame (620). An air pump is installed on the chassis (690). The air suction port of the air pump is communicated with the adsorption holes (51).

4. A cylindrical power lithium battery cap edge wrapping machine according to claim 2, characterized in that: The negative pressure assembly includes a chassis (690) rotatably installed on the protective frame (620). An adsorption airbag (680) is fixedly installed on the chassis (690). The air suction port of the adsorption airbag (680) is communicated with the adsorption holes (51). A one-way exhaust valve (681) is arranged on the side of the adsorption airbag (680). A traveling rod (610) is fixedly arranged at the bottom of the protective frame (620). An adsorption bump (810) and a stripping bump (820) are arranged on the substrate (10). The traveling rod (610) intermittently abuts against the adsorption bump (810) and the stripping bump (820).

5. The cylindrical power lithium battery cap edge wrapping machine according to claim 4, characterized in that: The protective frame (620) is slidably and snap-fitted with the placement groove (22). The output shaft of the drive motor (630) is connected to a movable shaft (640). The workpiece tray (50) is fixedly provided with a rotating cylinder (650). The movable shaft (640) is inserted into the rotating cylinder (650), and a support spring (660) is installed between the two. The chassis (690) is connected to the movable shaft (640). A rotating disc (670) is installed on the side of the rotating cylinder (650). The rotating disc (670) is located on top of the adsorption airbag (680).

6. The cylindrical power lithium battery cap edge wrapping machine according to claim 1, characterized in that: A support plate (130) is fixedly installed on the side of the vertical frame (30). The airtight piston cylinder (210) is arranged on the support plate (130). A piston rod (220) is installed at the bottom of the lifting plate (110). The piston rod (220) is connected to the piston plate (230). A shaping ring (120) is movably connected to the bottom side of the lifting plate (110). The edge wrapping die (140) is arranged below the shaping ring (120).

7. A cylindrical power lithium battery cap edge wrapping machine according to claim 6, characterized in that: A crimping shell (710) is fixedly installed on the bottom side of the shaping ring (120). A smooth rod (760) is fixedly installed inside the crimping shell (710). A toothed sleeve (770) is slidably sleeved on the smooth rod (760). The edge wrapping die (140) is fixedly connected to the toothed sleeve (770). Sliding grooves (121) are formed on both sides of the shaping ring (120). A sliding block (730) is slidably engaged in the sliding grooves (121). A connecting rod (750) is connected to the bottom of the sliding block (730). The connecting rod (750) is slidably installed outside the smooth rod (760), and the connecting rod (750) contacts the end of the toothed sleeve (770) away from the edge wrapping die (140).

8. A cylindrical power lithium battery cap edge wrapping machine according to claim 7, characterized in that: An air pressure box (720) is fixedly installed on the outside of the shaping ring (120). A piston end plate (740) is connected to the end of the sliding block (730). The piston end plate (740) is slidably installed in the air pressure box (720). A fixed sleeve (310) is fixedly installed at the bottom of the lifting plate (110). A piston insertion plate (320) is integrally connected to the shaping ring (120). The piston insertion plate (320) is slidably installed in the fixed sleeve (310) to form an air cavity. A second air pipe (430) is connected between the air cavity and the air pressure box (720). A return spring (330) is installed at the top of the piston insertion plate (320). A pressure spring (731) is installed between the sliding block (730) and the sliding groove (121).

9. A cylindrical power lithium battery cap edge-wrapping machine according to claim 7, characterized in that: An extension plate (780) is fixedly installed on the side of the crimping shell (710). An output gear (790) and an input gear (792) are respectively rotatably installed at both ends of the extension plate (780). A transmission belt (791) is connected between the output gear (790) and the input gear (792). A rack (793) is arranged on the side wall of the vertical frame (30). The input gear (792) is engaged with the rack (793). The toothed sleeve (770) is engaged with the output gear (790). A cleaning sponge (141) for wiping the edge wrapping die (140) is arranged on the crimping shell (710).

10. A cylindrical power lithium battery cap edge wrapping machine according to claim 8, characterized in that: A shaping airbag (520) is installed at the bottom edge of the blowing disc (510). The shaping airbag (520) is connected to a third air pipe (420), and the other end of the third air pipe (420) communicates with the first air pipe (410). A plurality of ventilation holes (521) are formed at the bottom of the shaping airbag (520). The shaping airbag (520) is arranged as an annular airbag, and a folding part (522) is arranged on one side of the shaping airbag (520) adjacent to the inner ring; An air injection hole (721) and a pressure ventilation hole (722) are formed in the air pressure box (720). The air injection hole (721) is connected to the second air pipe (430), and the pressure ventilation hole (722) communicates externally for resetting the sliding block (730).

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