Continuous packaging equipment for lithium battery production

Abstract

The invention relates to the technical field of battery packaging, and discloses a continuous packaging device for lithium battery production, which comprises a conveying device, the conveying device comprises a first side plate and a second side plate, a conveying belt is mounted between the first side plate and the second side plate, a blanking plate is arranged above the first side plate, and the blanking plate is arranged above the second side plate. A conveying block is arranged on the conveying belt, a heating bin is formed in the conveying block, a vibration heating device is arranged in the conveying block, the vibration heating device comprises a mounting groove formed in the conveying block, a vibration spring is fixedly connected into the mounting groove, and a heating plate is fixedly connected to the other end of the vibration spring; according to the scheme, the lithium battery and plastic film thermoplastic forming device has the beneficial effect that the thermoplastic forming efficiency of a lithium battery and a plastic film is improved, and the problems that manual packaging is adopted, the rejection rate is high, and the packaging efficiency is low are solved.

Description

Technical Field

[0001] The present invention relates to the technical field of battery packaging, in particular to a continuous packaging device for lithium battery production. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as the positive / negative electrode material and a non-aqueous electrolyte solution. The core is "lithium", which stores and releases electrical energy through the migration of lithium ions between the positive and negative electrodes. Lithium batteries can be roughly divided into two categories: lithium metal batteries and lithium-ion batteries.

[0003] When lithium batteries are produced, a layer of plastic film is needed to be covered on the outer wall of the battery by thermoplastic method. This plastic film is usually a polymer film. The plastic film can isolate the corrosion and damage of the core materials of the battery by air, water and other chemicals, thereby protecting the chemical substances and electrode materials inside the battery from the influence of the external environment, and can improve the transmission efficiency of electrons and ions, reduce the impedance of electrochemical reactions, thereby improving the energy density and cycle life of the battery. The plastic film can prevent the battery from thermal runaway and other dangers due to short circuits, overcurrent and other problems during use. For example, if the battery has an internal short circuit, the plastic film can serve as an additional insulating layer to prevent the heat from spreading rapidly to the external environment, thereby reducing the risk of fire or explosion.

[0004] In the prior art, cylindrical lithium batteries are usually packaged by manually putting a plastic packaging sleeve on the outside of the battery, and then heat-sealing the packaging sleeve with a manually controlled hot air gun. However, manual packaging has a high scrap rate and low packaging efficiency; therefore, it does not meet existing needs. In this regard, we propose a continuous packaging equipment for lithium battery production. Summary of the invention

[0005] The present invention provides a continuous packaging device for lithium battery production, which has the beneficial effect of improving the efficiency of thermoplastic molding of lithium batteries and plastic films, and solves the problems of high scrap rate and low packaging efficiency in manual packaging mentioned in the above background technology.

[0006] The present invention provides the following technical solution: a continuous packaging device for lithium battery production, comprising a conveying device, the conveying device comprising a No. 1 side plate and a No. 2 side plate, a conveyor belt is installed between the No. 1 side plate and the No. 2 side plate, a blanking plate is arranged above the No. 1 side plate, an inclined block is fixedly connected to the blanking plate, a conveying block is arranged on the conveyor belt, a heating chamber is opened in the conveying block, and a vibration heating device is arranged in the conveying block.

[0007] The vibration heating device comprises a mounting groove provided in the conveying block, a vibration spring is fixedly connected in the mounting groove, the other end of the vibration spring is fixedly connected to a heating plate, and the heating plate is slidably connected in the mounting groove.

[0008] As an optional solution for a continuous packaging equipment for lithium battery production described in the present invention, wherein: front and rear slide grooves are opened in the conveying block, the front and rear slide grooves are connected with the mounting grooves, and a slide rod is slidably connected in the front and rear slide grooves, one end of the slide rod is fixedly connected to one side of the heating plate, and the other end of the slide rod is arranged in the vibration track groove, and the vibration track groove is opened in the second side plate, the edges and corners of the slide rod at one end of the vibration track groove are rounded, and the end of the slide rod at the vibration track groove is triangular.

[0009] As an optional solution for a continuous packaging equipment for lithium battery production described in the present invention, wherein: a suspended clamping device is arranged in the conveying block, the suspended clamping device includes a placement groove and a through groove opened in the conveying block, a clamping block is slidably connected in the placement groove, a connecting rod is fixedly connected to one side of the clamping block, the connecting rod is slidably connected in the through groove, the other end of the connecting rod is arranged in a suspended track groove, the suspended track groove is opened in the second side plate, and one side of the clamping block is designed as an arc surface groove.

[0010] As an optional solution of a continuous packaging equipment for lithium battery production described in the present invention, wherein: a rotating component is arranged in the conveying block, the rotating component includes an adapting groove opened on the inner wall of the conveying block, the adapting groove is arranged on the opposite side of the clamping block, the inner wall of the adapting groove is fixedly connected to a fixed shaft No. 1, the side wall of the fixed shaft No. 1 is rotatably connected to a rotating roller No. 1, the fixed shaft No. 1 and the rotating roller No. 1 are arranged in multiple groups, a fixed shaft No. 2 is rotatably connected in the clamping block, the side wall of the fixed shaft No. 2 is fixedly connected to a rotating roller No. 2, the fixed shaft No. 2 and the rotating roller No. 2 are arranged in multiple groups, two adjacent fixed shafts No. 2 are connected by a synchronous rotating belt transmission, the synchronous rotating belt is arranged at one end of the clamping block, and the adapting groove is designed as an arc surface.

[0011] As an optional solution of a continuous packaging equipment for lithium battery production described in the present invention, wherein: a driving component is arranged in the connecting rod, and the driving component includes a transmission groove opened in the connecting rod, a pulley is rotatably connected in the transmission groove, the pulley and one of the second rotating rollers are connected by a transmission belt, one side of the pulley is fixedly connected to a first bevel gear, the first bevel gear is meshingly connected to a second bevel gear, one side of the second bevel gear is fixedly connected to a cross shaft, the cross shaft is rotatably connected in the cross groove, the cross groove is opened in the connecting rod, the other end of the cross shaft is fixedly connected to a driving gear, the driving gear is meshingly connected to a driving tooth block, and the driving tooth block is arranged in the suspended track groove.

[0012] As an optional solution of a continuous packaging equipment for lithium battery production described in the present invention, a quantitative blanking component is arranged in the blanking plate, and the quantitative blanking component includes a rotating groove opened in the blanking plate, a rotating shaft is rotatably connected in the rotating groove, a torsion spring is arranged between the rotating shaft and the rotating groove, a quantitative rod is fixedly connected to the side wall of the rotating shaft, the quantitative rod is arranged in the middle of the blanking plate, and the two ends of the quantitative rod are horn-shaped.

[0013] As an optional solution of a continuous packaging equipment for lithium battery production described in the present invention, wherein: one end of the rotating shaft extending out of the blanking plate is fixedly connected to a swing gear, the swing gear is meshingly connected to a rack, the rack is slidably connected in a hollow block, the hollow block is fixedly connected to the side wall of the blanking plate, the side wall of the rack is fixedly connected to an anti-slip block, the bottom of the rack is provided with an inclined surface, the inclined surface abuts against a driving block, the driving block is fixedly connected to the top surface of the conveying block, and the top of the driving block is triangular in design.

[0014] As an optional solution for a continuous packaging device for lithium battery production described in the present invention, a pneumatic device is provided at one end of the rotating shaft away from the swing gear, and the pneumatic device includes a swing groove opened in the unloading plate, a swing block is provided in the swing groove, and the swing block is fixedly connected to one side of the rotating shaft, a high and low track groove is opened in the swing block, and a pneumatic drive rod is slidably connected in the high and low track groove.

[0015] As an optional solution of a continuous packaging equipment for lithium battery production described in the present invention, wherein: the other end of the pneumatic drive rod is arranged in the pneumatic groove, the pneumatic groove is opened in the blanking plate, the other end of the pneumatic drive rod is fixedly connected to a No. 1 piston plate, the No. 1 piston plate is slidably connected in the pneumatic groove, the No. 1 piston plate is fixedly connected to the side of the pneumatic drive rod away from the pneumatic drive rod with a return spring, the other end of the return spring is fixedly connected to the pneumatic groove, the inner wall of the blanking plate is fixedly connected with a flexible air claw, the flexible air claw is connected to the pneumatic groove, and the upper surface of the flexible air claw is the inflation end.

[0016] As an optional solution for a continuous packaging equipment for lithium battery production described in the present invention, wherein: a push rod device is arranged in the blanking plate, and the push rod device includes an I-shaped groove opened in the blanking plate, and the I-shaped groove is connected with the pneumatic groove through a connecting groove, and the connecting groove is opened in the blanking plate, and a No. 2 piston plate is slidably connected in the I-shaped groove, and a push block is fixedly connected to one side of the No. 2 piston plate.

[0017] The present invention has the following beneficial effects: 1. In the continuous packaging equipment for lithium battery production, when the conveying block is driven by the conveyor belt, the heating plate at the bottom of the conveying block will slide in the front-back direction under the drive of the slide bar and the vibration track groove. Through this sliding, the heating plate can be driven to heat the bottom of the lithium battery and plastic film clamped by the suspended clamping device in the conveying block. Through the design of the vibration track groove and the slide bar, when the slide bar slides downward, the slide bar first slides upward for a distance, and then slides to the left for a distance until the slide bar is no longer in contact with the protrusion. At this time, the heating plate and the slide bar are reset under the action of the vibration spring to facilitate downward movement. Through this design, a single slide can drive the heating plate fixedly connected to the slide rod to move regularly in the mounting groove, thereby increasing the heating range of the plastic film so that the plastic film can be evenly attached to the battery surface after heat shrinkage. Compared with manually using a hot air gun to attach the plastic film to the outer wall of the lithium battery, this mechanical packaging method greatly improves the packaging efficiency. Compared with manually controlling the distance between the heat sealing gun muzzle and the battery, the suspended clamping device holds the battery in the air, and the fixed position heating plate can better control the distance between the two, thereby reducing the scrap rate.

[0018] 2. In the continuous packaging equipment for lithium battery production, during the sliding process of the conveying block, the driving tooth block located in the suspended track groove drives the driving gear to rotate, and then drives the No. 2 bevel gear to rotate. Since the No. 2 bevel gear is meshed and connected with the No. 1 bevel gear, the No. 1 bevel gear and the pulley fixedly connected thereto rotate synchronously, and through the transmission of the transmission belt, the No. 2 rotating roller is driven to rotate, and the No. 2 rotating roller is provided with several groups, and the No. 2 rotating rollers are connected by synchronous rotating belt transmission. The belt serves as a transmission component to make several No. 2 rotating rollers rotate in the same direction. Therefore, through the rotation of the No. 2 rotating roller, the incompletely assembled battery clamped by the clamping block and the adapting groove is rotated. Through this rotation, the plastic film can be further driven to be heated evenly, so that the plastic film can be evenly attached to the outer wall of the lithium battery.

[0019] 3. The continuous packaging equipment for lithium battery production has a swinging block fixedly connected to one end of the rotating shaft while the rotating shaft swings synchronously. Due to the design of the high and low trajectory grooves and the pneumatic drive rod, the pneumatic drive rod moves one end distance to the right when the swing block swings, thereby driving the No. 1 piston plate to squeeze the space in the pneumatic groove. At this time, the flexible air claw is connected to the pneumatic groove, so the flexible air claw will bend downward. Through the bending of the flexible air claw, the flexible air claw can be driven to apply a smaller pressure to the plastic film on the outer wall of the battery. After the flexible air claw is filled with gas, the gas in the swing groove is transported to the I-shaped groove through the connecting groove, thereby driving the No. 2 piston plate to slide in the I-shaped groove, so that the top block on one side of the No. 2 piston plate contacts one end of the lithium battery, driving the battery to slide one end distance into the plastic film. Through this design, it can be ensured that the plastic film completely covers the battery, and the two ends of the plastic film are preliminarily heat-shrunk and fixed by the hot air gun at the end of the blanking plate, thereby ensuring the subsequent stable rotational thermoplasticization of the plastic film on the side wall of the battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of the present invention.

[0021] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention.

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the present invention.

[0023] Figure 4 It is a schematic diagram of the structure of the vibration heating device of the present invention.

[0024] Figure 5 For the present invention Figure 2 Enlarged structural diagram at A in the middle.

[0025] Figure 6 For the present invention Figure 3 Enlarged structural diagram at B in the middle.

[0026] Figure 7 For the present invention Figure 6 Enlarged structural diagram at point C in the middle.

[0027] Figure 8 For the present invention Figure 2 Enlarged structural diagram at D in the middle.

[0028] Fig. 9 It is a schematic diagram of the blanking plate and its internal component structure of the present invention.

[0029] Fig.10 It is a schematic diagram of the cross-sectional structure of the blanking plate of the present invention.

[0030] Fig.11 For the present invention Fig.10 Enlarged structural diagram at E in the middle.

[0031] Fig.12 It is a schematic diagram of the structure of the connection between the pneumatic drive rod and the swing block of the present invention.

[0032] In the figure: 1. Conveying equipment; 11. No. 1 side plate; 12. No. 2 side plate; 13. Unloading plate; 14. Conveyor belt; 15. Conveying block; 16. Heating bin; 17. Tilting block; 2. Vibration heating device; 21. Mounting slot; 22. Heating plate; 23. Vibration spring; 24. Front and rear slide slots; 25. Slide bar; 26. Vibration track slot; 3. Suspended clamping device; 31. Placement slot; 32. Clamping block; 33. Through slot; 34. Connecting rod; 35. Suspended track slot; 4. Rotating assembly; 41. Adaptation slot; 42. No. 1 fixed shaft; 43. No. 1 rotating roller; 44. No. 2 fixed shaft; 45. No. 2 rotating roller; 46. Synchronous rotating belt; 5. Driving assembly; 51. Transmission slot; 52. Transmission belt ;53. Pulley;54. No. 1 bevel gear;55. No. 2 bevel gear;56. Cross shaft;57. Cross groove;58. Drive gear;59. Drive gear block;6. Quantitative feeding assembly;61. Rotating groove;62. Shaft;63. Torsion spring;64. Swinging gear;65. Rack;66. Hollow block;67. Anti-drop block;68. Drive block;69. Inclined surface;610. Quantitative rod;7. Pneumatic device;71. Swinging groove;72. Swinging block;73. High and low trajectory groove;74. Pneumatic drive rod;75. Pneumatic groove;76. No. 1 piston plate;77. Flexible air claw;78. Reset spring;8. Push rod device;81. I-slot;82. No. 2 piston plate;83. Push block;84. Connecting groove. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] Example 1: This example is intended to help solve the problem of high waste rate and low packaging efficiency in manual packaging. Figures 1 to 12 A continuous packaging device for lithium battery production includes a conveying device 1, which includes a No. 1 side plate 11 and a No. 2 side plate 12, a conveyor belt 14 is installed between the No. 1 side plate 11 and the No. 2 side plate 12, a blanking plate 13 is arranged above the No. 1 side plate 11, and an inclined block 17 is fixedly connected to the blanking plate 13, a conveying block 15 is arranged on the conveying belt 14, a heating chamber 16 is opened in the conveying block 15, and a vibration heating device 2 is arranged in the conveying block 15.

[0035] The lithium battery and the plastic film are manually assembled together in advance and are in an incompletely assembled state, and are transported to the blanking plate 13 through a transport assembly (not marked). The design of the No. 1 side panel 11 and the No. 2 side panel 12 provides support for the conveyor belt 14. Through the transportation of the conveyor belt 14 and the design of the quantitative blanking assembly 6, when the conveying block 15 moves to a fixed position, the lithium battery and the plastic film manually assembled in advance are placed in the blanking plate 13. Through the inclined design of the blanking plate 13, the incompletely assembled lithium battery enters the heating chamber 16, and the plastic film on the outer wall of the lithium battery is thermoplastically fixed through the design of the vibration heating device 2.

[0036] The vibration heating device 2 includes a mounting groove 21 provided in the conveying block 15 , a vibration spring 23 is fixedly connected in the mounting groove 21 , and a heating plate 22 is fixedly connected to the other end of the vibration spring 23 , and the heating plate 22 is slidably connected in the mounting groove 21 .

[0037] A front and rear slide groove 24 is provided in the conveying block 15, and the front and rear slide grooves 24 are connected to the mounting groove 21. A slide rod 25 is slidably connected in the front and rear slide grooves 24. One end of the slide rod 25 is fixedly connected to one side of the heating plate 22, and the other end of the slide rod 25 is arranged in the vibration track groove 26, and the vibration track groove 26 is provided in the second side plate 12.

[0038] During the transportation of the conveying block 15 driven by the conveyor belt 14, the heating plate 22 at the bottom of the conveying block 15 will slide in the front-back direction under the drive of the slide bar 25 and the vibration track groove 26. Through this sliding, the heating plate 22 can be driven to heat the bottom of the lithium battery and the plastic film clamped by the suspended clamping device 3 in the conveying block 15. Through the design of the vibration track groove 26 and the slide bar 25 (refer to Figure 4 ), so that the slide bar 25 moves along Figure 4 When sliding downward at the angle shown in FIG. 1 , the slide bar 25 first slides upward by an end distance, and when the slide bar 25 slides to the other side of the front and rear slide grooves 24, the bottom of the slide bar 25 is abutted by the protrusion in the vibration track groove 26 (refer to FIG. 1 ). Figure 4 ), at this time, the slide bar 25 slides one end distance to the left, and when the protrusion does not interfere with the slide bar 25, the heating plate 22 will be quickly reset under the action of the vibration spring 23 to facilitate the next vibration. Through this design, the heating plate 22 fixedly connected to the slide bar 25 can be driven to move regularly in the mounting groove 21, thereby increasing the heating range of the plastic film, so that the plastic film can be evenly attached to the battery surface after heat shrinkage. Compared with manually using a hot air gun to attach the plastic film to the outer wall of the lithium battery, this mechanical packaging method greatly improves the packaging efficiency, and compared with manually controlling the distance between the heat sealing gun muzzle and the battery, the suspended clamping device 3 holds the battery in the air, and the fixed position heating plate 22 can better control the distance between the two, thereby reducing the scrap rate.

[0039] Example 2: This example is intended to promote the solution to the problem of poor heat sealing effect on lithium batteries during the heating and plastic sealing process. This example is an explanation based on Example 1. For details, please refer to Figures 1 to 12 A suspended clamping device 3 is provided in the conveying block 15, and the suspended clamping device 3 includes a placement groove 31 and a through groove 33 which are opened in the conveying block 15. A clamping block 32 is slidably connected in the placement groove 31, and a connecting rod 34 is fixedly connected to one side of the clamping block 32. The connecting rod 34 is slidably connected in the through groove 33, and the other end of the connecting rod 34 is arranged in a suspended track groove 35, and the suspended track groove 35 is opened in the second side plate 12.

[0040] The suspended clamping device 3 is designed to clamp and suspend the battery in an incompletely assembled state, and through the design of the rotating component 4 and the driving component 5, the battery is driven to rotate so that the heating plate 22 can heat the plastic film more evenly.

[0041] During the movement of the conveying block 15, the connecting rod 34 located in the blanking plate 13 will be displaced in the horizontal direction according to the change of the suspended track groove 35. Through this displacement, the clamping block 32 fixedly connected to the connecting rod 34 can be driven to slide inward synchronously. Through this sliding, the battery in the incompletely assembled state placed in the heating chamber 16 can be clamped and fixed, and driven to be suspended, so that the incompletely assembled battery can be driven to rotate by the rotating component 4 later, thereby improving the thermoplastic effect. In addition, the design of the suspended state can better ensure the uniform heating of the incompletely assembled battery by the heating plate 22. The arc angle of the clamping block 32 is designed according to the curved surface of the battery. This design can better ensure the clamping effect of the battery.

[0042] A rotating assembly 4 is provided in the conveying block 15, and the rotating assembly 4 includes an adapting groove 41 opened on the inner wall of the conveying block 15, and the adapting groove 41 is arranged on the opposite side of the clamping block 32. A No. 1 fixed shaft 42 is fixedly connected to the inner wall of the adapting groove 41, and a No. 1 rotating roller 43 is rotatably connected to the side wall of the No. 1 fixed shaft 42. There are multiple groups of the No. 1 fixed shaft 42 and the No. 1 rotating roller 43. A No. 2 fixed shaft 44 is rotatably connected in the clamping block 32, and a No. 2 rotating roller 45 is fixedly connected to the side wall of the No. 2 fixed shaft 44. There are multiple groups of the No. 2 fixed shaft 44 and the No. 2 rotating roller 45. Two adjacent No. 2 fixed shafts 44 are connected by a synchronous rotating belt 46 for transmission, and the synchronous rotating belt 46 is arranged at one end of the clamping block 32.

[0043] The adaptation groove 41 is designed to ensure the clamping effect on the battery and prevent damage to the battery. The design of the No. 1 fixed shaft 42 and the No. 1 rotating roller 43 reduces the friction between the battery and the adaptation groove 41, so that the rotation of the battery will not encounter greater resistance. The design of the No. 2 fixed shaft 44 and the No. 2 rotating roller 45 ensures the power of battery rotation through the drive component 5. The rotation of the No. 2 rotating roller 45 is connected by a belt to ensure the consistency of the rotation direction.

[0044] A driving assembly 5 is provided in the connecting rod 34, and the driving assembly 5 includes a transmission groove 51 opened in the connecting rod 34, a pulley 53 is rotatably connected in the transmission groove 51, the pulley 53 and one of the second rotating rollers 45 are connected by a transmission belt 52, one side of the pulley 53 is fixedly connected to a first bevel gear 54, the first bevel gear 54 is meshingly connected to a second bevel gear 55, one side of the second bevel gear 55 is fixedly connected to a cross shaft 56, the cross shaft 56 is rotatably connected in a cross groove 57, the cross groove 57 is opened in the connecting rod 34, the other end of the cross shaft 56 is fixedly connected to a driving gear 58, the driving gear 58 is meshingly connected to a driving tooth block 59, and the driving tooth block 59 is arranged in the suspended track groove 35.

[0045] The rotation of the incompletely assembled battery is driven by the rotating assembly 4 and the driving assembly 5. During the sliding process of the conveying block 15, the driving tooth block 59 located in the suspended track groove 35 drives the driving gear 58 to rotate, thereby driving the No. 2 bevel gear 55 to rotate. Since the No. 2 bevel gear 55 is meshed and connected with the No. 1 bevel gear 54, the No. 1 bevel gear 54 and the pulley 53 fixedly connected thereto rotate synchronously, and through the transmission of the transmission belt 52, the No. 2 rotating roller 45 is driven to rotate. The No. 2 rotating roller 45 is provided with a plurality of groups, and the No. 2 rotating rollers 45 are connected to each other by the same The step-by-step rotating belt 46 is connected for transmission. The belt serves as a transmission component to enable several No. 2 rotating rollers 45 to rotate in the same direction. Therefore, through the rotation of the No. 2 rotating roller 45, the incompletely assembled battery clamped by the clamping block 32 and the adapting groove 41 is rotated. Through this rotation, the plastic film can be further driven to be heated evenly, so that the plastic film can be evenly attached to the outer wall of the lithium battery. The cross design of the cross shaft 56 and the cross groove 57 ensures the stability of the rotation of the driving gear 58 and the No. 2 bevel gear 55, and prevents shaking during rotation.

[0046] Example 3: This example is intended to help solve the problem of poor thermoplastic effect caused by large relative position deviation between lithium battery and plastic film due to manual assembly. This example is an explanation based on Example 2. For details, please refer to Figures 1 to 12 A quantitative unloading component 6 is provided in the unloading plate 13, and the quantitative unloading component 6 includes a rotating groove 61 opened in the unloading plate 13, a rotating shaft 62 is rotatably connected in the rotating groove 61, a torsion spring 63 is provided between the rotating shaft 62 and the rotating groove 61, and a quantitative rod 610 is fixedly connected to the side wall of the rotating shaft 62, and the quantitative rod 610 is provided in the middle of the unloading plate 13.

[0047] One end of the rotating shaft 62 extending out of the unloading plate 13 is fixedly connected to a swing gear 64, and the swing gear 64 is meshingly connected to a rack 65. The rack 65 is slidably connected in a hollow block 66, and the hollow block 66 is fixedly connected to the side wall of the unloading plate 13. The side wall of the rack 65 is fixedly connected to an anti-slip block 67. The bottom of the rack 65 is provided with a slope 69, and the slope 69 abuts against a driving block 68. The driving block 68 is fixedly connected to the top surface of the conveying block 15.

[0048] Since there is a distance between each conveying block 15, the batteries conveyed by the unloading plate 13 need to be designed by the quantitative unloading component 6 to limit the amount of batteries conveyed each time. When the conveying block 15 slides to one side of the unloading plate 13 driven by the conveyor belt 14, the driving block 68 located at the top of the conveying block 15 contacts the inclined surface 69 at the bottom of the rack 65, driving the rack 65 to slide upward, thereby driving the swing gear 64 to rotate a certain angle.

[0049] The swing gear 64 is fixedly connected to the quantitative rod 610 through the rotating shaft 62. The rotation of the swing gear 64 drives the quantitative rod 610 to rotate synchronously. Through the design of the horns at both ends of the quantitative rod 610, each swing of the quantitative rod 610 will transport a certain number of batteries to the heating chamber 16, and the suspended clamping device 3 set in the conveying block 15 can only hold one battery at a time. Therefore, by designing the length of the quantitative rod 610, the quantitative unloading assembly 6 can only transport one battery at a time. This design ensures the stability of the suspended clamping device 3 clamping the battery, ensures that each battery can be heated evenly, and reduces the scrap rate. The design of the torsion spring 63 allows the rotating shaft 62 to quickly reset when the driving block 68 does not drive the rack 65 to prevent the battery from slipping off. The design of the hollow block 66 limits the sliding direction of the rack 65. The design of the anti-slip block 67 prevents the rack 65 from slipping out of the hollow block 66 when it is not driven.

[0050] A pneumatic device 7 is provided at one end of the rotating shaft 62 away from the swing gear 64. The pneumatic device 7 includes a swing groove 71 opened in the blanking plate 13. A swing block 72 is provided in the swing groove 71. The swing block 72 is fixedly connected to one side of the rotating shaft 62. A high and low track groove 73 is opened in the swing block 72. A pneumatic drive rod 74 is slidably connected in the high and low track groove 73.

[0051] The other end of the pneumatic drive rod 74 is arranged in the pneumatic groove 75, and the pneumatic groove 75 is opened in the blanking plate 13. The other end of the pneumatic drive rod 74 is fixedly connected to the No. 1 piston plate 76, and the No. 1 piston plate 76 is slidably connected in the pneumatic groove 75. The side of the No. 1 piston plate 76 away from the pneumatic drive rod 74 is fixedly connected with a return spring 78, and the other end of the return spring 78 is fixedly connected in the pneumatic groove 75. The inner wall of the blanking plate 13 is fixedly connected with a flexible air claw 77, and the flexible air claw 77 is connected to the pneumatic groove 75.

[0052] A push rod device 8 is provided in the blanking plate 13, and the push rod device 8 includes an I-shaped groove 81 opened in the blanking plate 13, the I-shaped groove 81 is connected to the pneumatic groove 75 through a connecting groove 84, a second piston plate 82 is slidably connected in the I-shaped groove 81, and a push block 83 is fixedly connected to one side of the second piston plate 82.

[0053] During manual assembly, the battery needs to be placed in the plastic film. During transportation, the battery may slip out of the plastic film due to the smooth inner wall of the plastic film. Therefore, during the sliding process in the blanking plate 13, the battery needs to be driven back into the plastic film through the design of the pneumatic device 7 and the ejector device 8.

[0054] Since the inner wall of the plastic film is relatively smooth, the design of the tilting block 17 allows one end of the battery to tilt up when the battery slides to the tilting block 17, so the smooth plastic film will slide downward until one end of the plastic film is flush with one end of the battery. Through the design of the pneumatic device 7 and the ejector device 8, one end of the battery is pushed into the plastic film by an end distance, and the two ends of the battery are preliminarily heated by the hot air guns (not marked) arranged on both sides of the end of the blanking plate 13. Through this design, the battery can be placed in the plastic film, and the battery will not be separated from the plastic film through the heating of the heat sealing gun, which provides a stable incompletely assembled battery for the subsequent thermoplastic process.

[0055] When the rotating shaft 62 swings, the swing block 72 fixedly connected to one end of the rotating shaft 62 swings synchronously. Due to the design of the high and low track grooves 73 and the pneumatic drive rod 74, the pneumatic drive rod 74 moves one end distance to the right when the swing block 72 swings, thereby driving the No. 1 piston plate 76 to squeeze the space in the pneumatic groove 75. At this time, the flexible air claw 77 is connected to the pneumatic groove 75, so the flexible air claw 77 will bend downward. Through the bending of the flexible air claw 77, the flexible air claw 77 can be driven to apply a small pressure to the plastic film on the outer wall of the battery. After the flexible air claw 77 is filled with gas, the gas in the swing groove 71 is transported to the I-groove 81 through the connecting groove 84, thereby driving the No. 2 piston plate 82 to slide in the I-groove 81, so that the top block 83 on one side of the No. 2 piston plate 82 contacts one end of the lithium battery, driving the battery to slide a distance into the plastic film. Through this design, it can be ensured that the plastic film completely covers the battery, and the hot air gun at the end of the blanking plate 13 is used to perform preliminary heat shrinkage and fixation on both ends of the plastic film, thereby ensuring the stability of the subsequent rotational thermoplasticization of the plastic film on the side wall of the battery.

[0056] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0057] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the scope of protection of the present invention.

Claims

1. A continuous packaging device for lithium battery production, comprising a conveying device (1), characterized in that: The conveying device (1) comprises a first side plate (11) and a second side plate (12), a conveyor belt (14) is installed between the first side plate (11) and the second side plate (12), a blanking plate (13) is arranged above the first side plate (11), a tilting block (17) is fixedly connected inside the blanking plate (13), a conveying block (15) is arranged on the conveyor belt (14), a heating chamber (16) is provided inside the conveying block (15), and a vibration heating device (2) is arranged inside the conveying block (15); The vibration heating device (2) comprises a mounting groove (21) provided in the conveying block (15), a vibration spring (23) being fixedly connected in the mounting groove (21), a heating plate (22) being fixedly connected at the other end of the vibration spring (23), and the heating plate (22) being slidably connected in the mounting groove (21).

2. A continuous packaging equipment for lithium battery production according to claim 1, characterized in that: The conveying block (15) is provided with front and rear slide grooves (24), the front and rear slide grooves (24) are connected to the mounting groove (21), a slide rod (25) is slidably connected in the front and rear slide grooves (24), one end of the slide rod (25) is fixedly connected to one side of the heating plate (22), and the other end of the slide rod (25) is arranged in a vibration track groove (26), and the vibration track groove (26) is arranged in the second side plate (12).

3. The continuous packaging equipment for lithium battery production according to claim 1, characterized in that: A suspended clamping device (3) is arranged in the conveying block (15), and the suspended clamping device (3) comprises a placement groove (31) and a through groove (33) provided in the conveying block (15); a clamping block (32) is slidably connected in the placement groove (31); a connecting rod (34) is fixedly connected to one side of the clamping block (32); the connecting rod (34) is slidably connected in the through groove (33); the other end of the connecting rod (34) is arranged in a suspended track groove (35); and the suspended track groove (35) is provided in the second side plate (12).

4. A continuous packaging equipment for lithium battery production according to claim 3, characterized in that: A rotating assembly (4) is arranged in the conveying block (15), and the rotating assembly (4) comprises an adapting groove (41) opened on the inner wall of the conveying block (15), the adapting groove (41) being arranged on the opposite side of the clamping block (32), the inner wall of the adapting groove (41) being fixedly connected to a No. 1 fixed shaft (42), the side wall of the No. 1 fixed shaft (42) being rotatably connected to a No. 1 rotating roller (43), the No. 1 fixed shaft (42) and the No. 1 rotating roller (43) being arranged in multiple groups, a No. 2 fixed shaft (44) being rotatably connected in the clamping block (32), the side wall of the No. 2 fixed shaft (44) being fixedly connected to a No. 2 rotating roller (45), the No. 2 fixed shaft (44) and the No. 2 rotating roller (45) being arranged in multiple groups, two adjacent No. 2 fixed shafts (44) being connected by a synchronous rotating belt (46), the synchronous rotating belt (46) being arranged at one end of the clamping block (32).

5. A continuous packaging equipment for lithium battery production according to claim 4, characterized in that: A driving assembly (5) is arranged in the connecting rod (34), and the driving assembly (5) comprises a transmission groove (51) provided in the connecting rod (34), a pulley (53) being rotatably connected in the transmission groove (51), the pulley (53) and one of the second rotating rollers (45) being connected via a transmission belt (52), a first bevel gear (54) being fixedly connected to one side of the pulley (53), the first bevel gear (54) being meshingly connected to a second bevel gear (55), a cross shaft (56) being fixedly connected to one side of the second bevel gear (55), the cross shaft (56) being rotatably connected in a cross groove (57), the cross groove (57) being provided in the connecting rod (34), the other end of the cross shaft (56) being fixedly connected to a driving gear (58), the driving gear (58) being meshingly connected to a driving tooth block (59), the driving tooth block (59) being arranged in the suspended track groove (35).

6. The continuous packaging equipment for lithium battery production according to claim 1, characterized in that: A quantitative feeding assembly (6) is arranged in the feeding plate (13), and the quantitative feeding assembly (6) comprises a rotating groove (61) provided in the feeding plate (13), a rotating shaft (62) is rotatably connected in the rotating groove (61), a torsion spring (63) is arranged between the rotating shaft (62) and the rotating groove (61), and a quantitative rod (610) is fixedly connected to the side wall of the rotating shaft (62), and the quantitative rod (610) is arranged in the middle of the feeding plate (13).

7. A continuous packaging equipment for lithium battery production according to claim 6, characterized in that: One end of the rotating shaft (62) extending out of the blanking plate (13) is fixedly connected to a swing gear (64), the swing gear (64) is meshingly connected to a rack (65), the rack (65) is slidably connected in a hollow block (66), the hollow block (66) is fixedly connected to the side wall of the blanking plate (13), the side wall of the rack (65) is fixedly connected to an anti-slip block (67), the bottom of the rack (65) is provided with an inclined surface (69), the inclined surface (69) abuts against a driving block (68), and the driving block (68) is fixedly connected to the top surface of the conveying block (15).

8. The continuous packaging equipment for lithium battery production according to claim 7, characterized in that: A pneumatic device (7) is provided at one end of the rotating shaft (62) away from the swing gear (64), and the pneumatic device (7) includes a swing groove (71) provided in the blanking plate (13), a swing block (72) is provided in the swing groove (71), the swing block (72) is fixedly connected to one side of the rotating shaft (62), a high and low track groove (73) is provided in the swing block (72), and a pneumatic driving rod (74) is slidably connected in the high and low track groove (73).

9. A continuous packaging equipment for lithium battery production according to claim 8, characterized in that: The other end of the pneumatic drive rod (74) is arranged in the pneumatic groove (75), and the pneumatic groove (75) is opened in the blanking plate (13). The other end of the pneumatic drive rod (74) is fixedly connected to a No. 1 piston plate (76), and the No. 1 piston plate (76) is slidably connected in the pneumatic groove (75). The side of the No. 1 piston plate (76) away from the pneumatic drive rod (74) is fixedly connected to a return spring (78), and the other end of the return spring (78) is fixedly connected to the pneumatic groove (75). The inner wall of the blanking plate (13) is fixedly connected to a flexible air claw (77), and the flexible air claw (77) is connected to the pneumatic groove (75).

10. A continuous packaging device for lithium battery production according to claim 9, characterized in that: A push rod device (8) is provided in the blanking plate (13), and the push rod device (8) comprises an I-shaped groove (81) provided in the blanking plate (13), the I-shaped groove (81) being connected to the pneumatic groove (75) via a connecting groove (84), the connecting groove (84) being provided in the blanking plate (13), a second piston plate (82) being slidably connected in the I-shaped groove (81), and a push block (83) being fixedly connected to one side of the second piston plate (82).

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