Full-automatic sealing machine for lithium battery
By designing a fully automatic lithium battery sealing machine, a worm gear mechanism driven by a servo motor and an electric lifting rod are used to realize the automatic venting, sealing, and unloading of lithium batteries, solving the problem of low sealing efficiency in existing technologies and improving the degree of automation and sealing quality.
Patent Information
- Application Number
- CN202310160704.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2023-02-24
- Publication Date
- 2025-12-05
- Estimated Expiration
- 2043-02-24
AI Technical Summary
Existing lithium battery sealing devices require manual operation and have a low degree of automation, resulting in low sealing efficiency.
A fully automatic lithium battery sealing machine was designed, comprising a base frame, a switching mechanism, a sealing bottom component, and a sealing top component. The sealing bottom component is rotated 120 degrees intermittently by a servo motor-driven worm gear and worm wheel mechanism. Combined with the lifting of the electric lifting rod and the sealing top component, automatic air venting, edge sealing, and unloading are achieved.
It improves the automation level of lithium battery sealing, enhances sealing quality and efficiency, and enables automatic unloading and subsequent processing of lithium batteries.
Smart Images

Figure CN116111198B_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of lithium battery processing, in particular to a full-automatic sealing machine for lithium batteries. BACKGROUND
[0002] Lithium batteries are a kind of batteries with lithium metal or lithium alloy as positive and negative electrode materials and using non-aqueous electrolyte solution. Due to the very active chemical properties of lithium metal, the processing, storage and use of lithium metal have very high requirements on the environment. With the development of science and technology, lithium batteries have become mainstream.
[0003] Lithium batteries need to be sealed during processing. The existing sealing device needs manual sealing, has low automation, consumes long conversion time, and greatly affects the overall sealing efficiency of lithium batteries. Therefore, the full-automatic sealing machine for lithium batteries is provided to solve the above problems. SUMMARY
[0004] The application aims to provide a full-automatic sealing machine for lithium batteries to solve the problems in the background art.
[0005] To achieve the above-mentioned purpose, the application provides the following technical scheme: a full-automatic sealing machine for lithium batteries, comprising a device bottom frame, the outer side of the device bottom frame is provided with a feeding area, a sealing area and a discharging area, the top end of the device bottom frame is provided with a tripod top frame, a transposition mechanism is arranged between the device bottom frame and the tripod top frame, the end of the tripod top frame is fixedly installed with a sealing bottom piece, the sealing bottom piece is respectively and positionally corresponding to the feeding area, the sealing area and the discharging area, a supporting frame is fixedly installed at the sealing area, a plurality of electric lifting rods are fixedly installed at the top of the supporting frame, a sealing top piece used in cooperation with the sealing bottom piece is fixedly installed at the driving end of the electric lifting rod, a supporting ring plate is arranged at the bottom end of the plurality of sealing bottom pieces, and a material guiding assembly is fixedly installed at the discharging area.
[0006] Preferably, the transposition mechanism comprises a rotating bearing, the rotating bearing is fixedly clamped in the middle part of the device bottom frame, a transposition shaft is fixedly clamped in the middle part of the rotating bearing, the top end of the transposition shaft is fixedly installed with the bottom middle part of the tripod top frame, the bottom part of the transposition shaft extends into the device bottom frame, a driven worm gear is fixedly sleeved on the bottom part of the transposition shaft, a driving worm is meshingly connected to the side end of the driven worm gear, rotating frames are rotatably sleeved on the two end parts of the driving worm, the rotating frames are fixedly installed on the inner lower wall of the device bottom frame, a servo motor is fixedly installed on the side of the inner lower wall of the device bottom frame close to the driving worm, and the driving end of the servo motor and one end part of the driving worm are coaxially fixedly installed.
[0007] Preferably, the sealing bottom part comprises a sealing bottom frame fixedly installed at the end of the tripod stand, the bottom of the sealing bottom frame is provided with a discharging port, two bottom sealing plates symmetrically distributed are movably clamped in the discharging port, rotating shafts are fixedly installed at the opposite ends of the two bottom sealing plates, the rotating shafts are rotatably installed at the bottom of the sealing bottom frame, a positioning inner frame is fixedly clamped at the middle of the inner side of the sealing bottom frame, a limiting frame is fixedly clamped at the top of the inner side of the sealing bottom frame, a dredging frame is fixedly installed between the bottom end of the limiting frame and the top end of the positioning inner frame, support bottom pads are fixedly installed on the upper surfaces of the bottom sealing plates, and the support bottom pads are movably clamped in the positioning inner frame.
[0008] Preferably, the sizes of the two bottom sealing plates are greater than the size of the discharging port.
[0009] Preferably, the sealing top part comprises a sealing top frame fixedly installed at the driving end of the plurality of electric lifting rods, a sealing clamping frame is fixedly installed at the bottom end of the sealing top frame, the sealing clamping frame is movably clamped at the top of the sealing bottom frame, a sealing clamping frame is arranged at the bottom end of the sealing clamping frame, a plurality of first telescopic shafts are fixedly installed at the top end of the sealing clamping frame, first telescopic sleeves are movably sleeved at the outer top of the first telescopic shafts, the first telescopic sleeves are fixedly clamped at the bottom end of the sealing clamping frame, first springs are fixedly installed between the top end of the first telescopic shafts and the corresponding first telescopic sleeves, the sealing clamping frame is movably clamped in the sealing bottom frame, a sealing gasket frame is fixedly installed at the bottom end of the sealing clamping frame, and the lower surface of the sealing gasket frame is in contact with the upper surface of the limiting frame.
[0010] Preferably, a gas removal pressure plate is arranged at the middle of the bottom end of the sealing top frame, a plurality of second telescopic shafts are fixedly installed at the top end of the gas removal pressure plate, second telescopic sleeves are movably sleeved at the outer top of the second telescopic shafts, the second telescopic sleeves are fixedly clamped at the bottom end of the sealing top frame, second springs are fixedly installed between the top end of the second telescopic shafts and the corresponding second telescopic sleeves, gas guide heads are fixedly clamped at the four corners of the top end of the sealing top frame, the bottom of the plurality of gas guide heads extends to the bottom end of the sealing top frame, and gas guide pipes are fixedly installed at the top of the plurality of gas guide heads.
[0011] Preferably, first side sealing compression knives and second side sealing compression knives are fixedly installed at the bottom end of the sealing top frame, the first side sealing compression knives and the second side sealing compression knives are vertically distributed, and the first side sealing compression knives and the second side sealing compression knives are respectively located at the side ends of the gas removal pressure plate.
[0012] Preferably, the support ring plate and the tripod stand are coaxially arranged, the upper surface of the support ring plate is in contact with the lower surface of the bottom sealing plate, a plurality of stable frames are fixedly installed at the top end of the feeding area, the sealing area and the discharging area, and a discharging slot is arranged at the support ring plate at the position of the discharging area.
[0013] Preferably, the end of the rotation shaft of one of the sealing bottom pieces is fixedly provided with an auxiliary shaft, the end of the auxiliary shaft is fixedly provided with a transmission gear, the side top end of the discharging area close to the bottom frame of the equipment is fixedly provided with an auxiliary frame, the auxiliary frame is in L-shaped structure, the top of the auxiliary frame is fixedly provided with a transmission rack matched with the transmission gear, the transmission rack is in arc-shaped structure, and the bottom of the transmission rack is in meshing connection with the top of the transmission gear.
[0014] Preferably, the material guiding assembly comprises two material guiding frames, the material guiding frames are fixedly provided at the top end of the discharging area, the top of each of the material guiding frames is provided with an automatic material guiding roller, and the outer sides of the two automatic material guiding rollers are movably provided with a material guiding belt.
[0015] Compared with the prior art, the present application has the following beneficial effects:
[0016] 1. By arranging the transposition mechanism, the positions of the three sealing bottom pieces are changed, the sealing top piece is used in cooperation, and the automatic exhaust of excess gas and the automatic edge sealing of the lithium battery are sequentially performed on the plurality of lithium batteries, so that the overall sealing operation quality and efficiency of the lithium battery are improved.
[0017] 2. In cooperation with the supporting ring plate and the material guiding assembly, the automatic discharging operation after the automatic edge sealing of the lithium battery and the automatic guiding of the lithium battery away from the equipment are facilitated, and the lithium battery is facilitated to be processed subsequently. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0019] Figure 1 is a structural schematic diagram of the present application,
[0020] Figure 2 is a structural connection schematic diagram of the present application after splitting,
[0021] Figure 3 is a structural connection schematic diagram of the transposition mechanism in the present application,
[0022] Figure 4 is an enlarged view of A in the present application, Figure 3
[0023] Figure 5 is an enlarged view of B in the present application, Figure 3
[0024] Figure 6 For the structure connection diagram of the sealing bottom piece and the sealing top piece in the application,
[0025] Figure 7 For the structure connection diagram of the sealing bottom piece and the sealing top piece in the application, Figure 6 For the structure connection diagram of the sealing bottom piece and the sealing top piece in the application,
[0026] Figure 8 For the structure connection diagram of the sealing bottom piece and the sealing top piece in the application, Figure 6 For the structure connection diagram of the sealing bottom piece and the sealing top piece in the application,
[0027] Figure 9 For the structure connection diagram of the sealing bottom piece and the sealing top piece in the application,
[0028] Figure 10 For the structure connection diagram of the sealing bottom piece and the sealing top piece in the application,
[0029] Figure 11 For the structure connection diagram of the sealing bottom piece and the sealing top piece in the application,
[0030] In the figure: 1, the device bottom frame; 2, the tripod top frame; 3, the transposition mechanism; 4, the sealing bottom piece; 5, the support frame; 6, the electric lifting rod; 7, the sealing top piece; 8, the support ring plate; 9, the material guiding assembly; 10, the auxiliary shaft; 101, the transmission gear; 102, the auxiliary frame; 103, the transmission rack; 11, the feeding area; 12, the sealing area; 13, the discharging area; 31, the rotating bearing; 32, the transposition shaft; 33, the driven worm gear; 34, the driving worm; 341, the rotating frame; 35, the servo motor; 41, the sealing bottom frame; 411, the discharging port; 42, the bottom sealing plate; 421, the rotating shaft; 43, the positioning inner frame; 44, the limiting frame; 45, the dredging frame; 46, the supporting bottom pad; 71, the sealing top frame; 711, the sealing clamping frame; 72, the sealing clamping frame; 721, the sealing pad frame; 73, the first telescopic shaft; 731, the first telescopic sleeve; 732, the first spring; 74, the degassing pressure plate; 75, the second telescopic shaft; 751, the second telescopic sleeve; 752, the second spring; 76, the first side sealing compression knife; 77, the second side sealing compression knife; 78, the air guiding head; 79, the air guiding pipe; 801, the discharging slot; 81, the stabilizing frame; 91, the material guiding frame; 92, the automatic material guiding roller; 93, the material guiding belt. DETAILED DESCRIPTION
[0031] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.
[0032] Embodiment: as Figures 1-11As shown, the present application provides a kind of lithium battery full-automatic sealing machine, including equipment bottom frame 1, the outside of equipment bottom frame 1 is equipped with feeding area 11, sealing area 12 and discharge area 13, feeding area 11, sealing area 12 and discharge area 13 are used for the feeding, sealing and discharge operation of lithium battery respectively, the top of equipment bottom frame 1 is equipped with tripod top frame 2, the displacement mechanism 3 between equipment bottom frame 1, tripod top frame 2 is equipped with, the end of tripod top frame 2 is fixedly installed with sealing bottom piece 4, sealing bottom piece 4 is equipped with three, sealing bottom piece 4 is respectively and the position of feeding area 11, sealing area 12, discharge area 13 corresponds, sealing area 12 is fixedly installed with support frame 5, the top of support frame 5 is fixedly installed with multiple electric lifting rods 6, the driving end of electric lifting rod 6 is fixedly installed with sealing top piece 7 used in cooperation with sealing bottom piece 4, the bottom end of multiple sealing bottom piece 4 is equipped with support ring plate 8, discharge area 13 is fixedly installed with guide component 9.
[0033] The displacement mechanism 3 includes a rotating bearing 31, the rotating bearing 31 is fixedly connected in the middle of the equipment bottom frame 1, the middle of the rotating bearing 31 is fixedly connected with the displacement shaft 32, the top end of the displacement shaft 32 is fixedly installed with the bottom end of the tripod top frame 2, the bottom of the displacement shaft 32 extends to the equipment bottom frame 1, the bottom of the displacement shaft 32 is fixedly sleeved with a driven worm gear 33, the side end of the driven worm gear 33 is engaged with a driving worm 34, the two ends of the driving worm 34 are rotatably sleeved with a rotating frame 341, the rotating frame 341 is fixedly installed on the inner lower wall of the equipment bottom frame 1, the inner lower wall of the equipment bottom frame 1 is fixedly installed with a servo motor 35 near the driving worm 34, the driving end of the servo motor 35 is coaxially fixedly installed with one end of the driving worm 34, in use, by controlling and opening the servo motor 35, the driving worm 34 is driven to rotate, so that the driven worm gear 33 and the displacement shaft 32 are intermittently rotated by 120 degrees, and the tripod top frame 2 is intermittently rotated by 120 degrees.
[0034] The sealing bottom piece 4 includes a sealing bottom frame 41, the sealing bottom frame 41 is fixedly installed on the end of the tripod top frame 2, when the tripod top frame 2 is intermittently rotated by 120 degrees, the three sealing bottom pieces 4 are intermittently rotated by 120 degrees, so that the position of the sealing bottom piece 4 is changed, the bottom of the sealing bottom frame 41 is provided with a discharge port 411, the discharge port 411 is movably connected with two bottom sealing plates 42 symmetrically distributed, the size of the two bottom sealing plates 42 is greater than the size of the discharge port 411;
[0035] Both opposite ends of the two bottom sealing plates 42 are fixedly installed with rotating shafts 421, which are rotatably installed at the bottom of the sealing bottom frame 41. By arranging the rotating shafts 421, the two bottom sealing plates 42 can be synchronously opened by rotating away in the discharge port 411, and the discharge port 411 is opened, and the two bottom sealing plates 42 can be synchronously closed by rotating towards each other, and the discharge port 411 is closed.
[0036] The support ring plate 8 and the tripod top frame 2 are coaxially arranged, the upper surface of the support ring plate 8 and the lower surface of the bottom sealing plate 42 are in contact, the bottom end of the support ring plate 8 is fixedly installed with a plurality of stable frames 81, the stable frames 81 are respectively fixedly installed at the top end of the feeding area 11, the sealing area 12 and the discharging area 13, in the initial state, the upper surface of the support ring plate 8 at the feeding area 11 and the sealing area 12 is in contact with the lower surface of the corresponding bottom sealing plate 42, so that the bottom sealing plate 42 is supported by the support ring plate 8, at this time, the bottom sealing plate 42 at the feeding area 11 and the sealing area 12 seals the discharge port 411;
[0037] The inner side of the sealing bottom frame 41 is fixedly provided with a positioning inner frame 43, the inner side of the sealing bottom frame 41 is fixedly provided with a limiting frame 44, the bottom end of the limiting frame 44 and the top end of the positioning inner frame 43 are fixedly installed with a dredging frame 45, the upper surface of the bottom sealing plate 42 is fixedly installed with a supporting bottom pad 46, the supporting bottom pad 46 is movably connected in the positioning inner frame 43, in use, the lithium battery to be sealed is automatically fed in the feeding area 11 to the positioning inner frame 43 in the corresponding sealing bottom piece 4, the lower surface of the lithium battery is in contact with the supporting bottom pad 46, and the bottom sealing plate 42 stably supports the lithium battery.
[0038] The sealing top piece 7 comprises a sealing top frame 71 fixedly installed at the driving end of the plurality of electric lifting rods 6. In use, the sealing top frame 71 is driven to lift by controlling and opening the plurality of electric lifting rods 6. The bottom end of the sealing top frame 71 is fixedly installed with a sealing clamping frame 711 movably clamped at the top of the sealing bottom frame 41. The bottom end of the sealing clamping frame 711 is provided with a sealing clamping frame 72. The top end of the sealing clamping frame 72 is fixedly installed with a plurality of first telescopic shafts 73. The outer top of each first telescopic shaft 73 is movably sleeved with a first telescopic sleeve 731 fixedly clamped at the bottom end of the sealing clamping frame 711. A first spring 732 is fixedly installed between the top end of the first telescopic shaft 73 and the corresponding first telescopic sleeve 731. The sealing clamping frame 72 is movably clamped in the sealing bottom frame 41. The bottom end of the sealing clamping frame 72 is fixedly installed with a sealing gasket frame 721. The lower surface of the sealing gasket frame 721 is in contact with the upper surface of the limiting frame 44. When the lithium battery is fed and moved to the sealing area 12 by the transposition mechanism 3, the plurality of electric lifting rods 6 are opened to drive the sealing top frame 71, the sealing clamping frame 711, the sealing clamping frame 72 and the sealing gasket frame 721 to descend. The sealing clamping frame 711 is movably clamped at the top of the sealing bottom frame 41. The sealing clamping frame 72 is movably clamped in the sealing bottom frame 41. Until the lower surface of the sealing gasket frame 721 is in contact with the upper surface of the limiting frame 44, the sealing between the sealing top frame 71 and the corresponding sealing bottom frame 41 is performed. Since the first telescopic shaft 73, the first telescopic sleeve 731 and the first spring 732 are arranged, the subsequent continuous descent of the sealing top frame 71 and the sealing clamping frame 711 is not affected.
[0039] The bottom end of the sealing top frame 71 is provided with a gas removal pressure plate 74, the top end of the gas removal pressure plate 74 is fixedly installed with a plurality of second telescopic shafts 75, the outer top of the second telescopic shaft 75 is movably sleeved with a second telescopic sleeve 751, the second telescopic sleeve 751 is fixedly clamped at the bottom end of the sealing top frame 71, a second spring 752 is fixedly installed between the top end of the second telescopic shaft 75 and the corresponding second telescopic sleeve 751, the sealing top frame 71 and the sealing clamping frame 711 are driven to continue to descend, at this time, the lower surface of the gas removal pressure plate 74 contacts the upper surface of the lithium battery, the excess gas in the lithium battery is squeezed out and discharged into the sealing top frame 71 and the corresponding sealing bottom frame 41, the top end of the sealing top frame 71 is fixedly clamped with a gas guide head 78 at the four corners, the bottom of the plurality of gas guide heads 78 extends to the bottom end of the sealing top frame 71, the top of the plurality of gas guide heads 78 is fixedly installed with a gas guide pipe 79, before use, the end of the gas guide pipe 79 is connected with the input end of the air suction pump mechanism, the air suction pump mechanism is turned on, and the gas discharged into the sealing top frame 71 and the corresponding sealing bottom frame 41 is discharged through the gas guide head 78 and the gas guide pipe 79, so that the excess gas in the lithium battery is automatically discharged, the subsequent sealing operation of the lithium battery is facilitated, and the sealing operation quality of the lithium battery is improved. Because the second telescopic shaft 75, the second telescopic sleeve 751 and the second spring 752 are arranged, the subsequent descending of the sealing top frame 71 and the sealing clamping frame 711 is not affected.
[0040] The bottom end of the sealing top frame 71 is fixedly installed with a first side sealing pressing knife 76 and a second side sealing pressing knife 77, the first side sealing pressing knife 76 and the second side sealing pressing knife 77 are vertically distributed, and the first side sealing pressing knife 76 and the second side sealing pressing knife 77 are respectively located at the side end of the gas removal pressure plate 74. After the excess gas in the lithium battery is automatically discharged, the sealing top frame 71 and the sealing clamping frame 711 are driven to continue to descend again, the first side sealing pressing knife 76 and the second side sealing pressing knife 77 are driven to move downward, so that the side edges of the lithium battery are automatically sealed by the first side sealing pressing knife 76 and the second side sealing pressing knife 77, and the sealing operation quality of the lithium battery is improved.
[0041] The support ring plate 8 at the position of the discharging area 13 is provided with a discharging slot 801; the material guiding assembly 9 comprises two material guiding frames 91, which are fixedly installed at the top end of the discharging area 13, and the top of each of the material guiding frames 91 is provided with an automatic material guiding roller 92, and the outer side of each of the automatic material guiding rollers 92 is movably sleeved with a material guiding belt 93; after the lithium battery is automatically edge-sealed, the reset sealing top piece 7 is moved upward and is moved to the discharging area 13 through the transposition mechanism 3; since the support ring plate 8 at the position of the discharging area 13 is provided with the discharging slot 801, the support ring plate 8 at the position of the discharging area 13 does not support the two bottom sealing plates 42; at this time, the two bottom sealing plates 42 are synchronously opened by being rotated away from each other in the discharging port 411, the discharging port 411 is opened, the lithium battery after being automatically edge-sealed is automatically discharged from the sealing bottom piece 4 through the discharging port 411 and falls on the material guiding belt 93, so that the automatic discharging of the lithium battery is realized, and the lithium battery falling on the material guiding belt 93 is automatically guided away from the equipment through the driving of the material guiding belt 93 by the opening of the two automatic material guiding rollers 92.
[0042] The end of one of the rotating shafts 421 of the sealing bottom piece 4 is fixedly installed with an auxiliary shaft 10, the end of the auxiliary shaft 10 is fixedly sleeved with a transmission gear 101, the side top end of the discharging area 13 close to the equipment bottom frame 1 is fixedly installed with an auxiliary frame 102, the auxiliary frame 102 is in L-shaped structure, the top of the auxiliary frame 102 is fixedly installed with a transmission rack 103 which is used in cooperation with the transmission gear 101, the transmission rack 103 is in arc-shaped structure, and the bottom of the transmission rack 103 is in meshing connection with the top of the transmission gear 101; after the automatic discharging of the lithium battery, the sealing bottom piece 4 is moved to the discharging area 13 again through the transposition mechanism 3; during the movement, when one of the bottom sealing plates 42 of the sealing bottom piece 4 automatically passes through the edge of the discharging slot 801, the discharging slot 801 drives the one of the bottom sealing plates 42 to be automatically reversely rotated and reset, the top of the transmission gear 101 is in meshing connection with the bottom of the transmission rack 103, the transmission rack 103 drives the transmission gear 101, the auxiliary shaft 10, the other rotating shaft 421 and the bottom sealing plate 42 to be synchronously and automatically reversely rotated and reset, so that the two bottom sealing plates 42 are reset and movably clamped in the discharging port 411, the discharging port 411 is closed again, and the subsequent feeding of the lithium battery is facilitated.
[0043] Working principle: before use, the end of the air guiding pipe 79 is connected with the input end of the air suction pump mechanism; in the initial state, the upper surface of the support ring plate 8 at the positions of the feeding area 11 and the sealing area 12 is in contact with the lower surface of the corresponding bottom sealing plate 42, so that the bottom sealing plate 42 is supported by the support ring plate 8; at this time, the bottom sealing plate 42 at the positions of the feeding area 11 and the sealing area 12 closes the discharging port 411;
[0044] In use, the lithium battery to be sealed is automatically fed into the positioning inner frame 43 in the corresponding sealing bottom piece 4 in the feeding area 11, the lower surface of the lithium battery is in contact with the supporting bottom pad 46, and the bottom sealing plate 42 stably supports the lithium battery;
[0045] Subsequently, the servo motor 35 is controlled and started, the driving worm 34 is driven to rotate, the driven worm gear 33 and the transposition shaft 32 are intermittently driven to rotate by 120 degrees, the tripod top frame 2 is intermittently driven to rotate by 120 degrees, and the three sealing bottom pieces 4 are intermittently driven to rotate by 120 degrees, so as to change the position of the sealing bottom piece 4;
[0046] The lithium battery is fed and moved to the sealing area 12 through the transposition mechanism 3, the plurality of electric lifting rods 6 are started, the sealing top frame 71, the sealing clamping frame 711, the sealing clamping frame 72 and the sealing pad frame 721 are driven to descend, the sealing clamping frame 711 is movably clamped on the top of the sealing bottom frame 41, the sealing clamping frame 72 is movably clamped in the sealing bottom frame 41, until the lower surface of the sealing pad frame 721 is in contact with the upper surface of the limiting frame 44, the sealing between the sealing top frame 71 and the corresponding sealing bottom frame 41 is performed, and since the first telescopic shaft 73, the first telescopic sleeve 731 and the first spring 732 are arranged, the subsequent continuous descent of the sealing top frame 71 and the sealing clamping frame 711 is not affected;
[0047] The sealing top frame 71 and the sealing clamping frame 711 are continuously driven to descend, at this time, the lower surface of the degassing plate 74 is in contact with the upper surface of the lithium battery, the excess gas in the lithium battery is squeezed out and discharged into the sealing top frame 71 and the corresponding sealing bottom frame 41, the air suction pump mechanism is started, and the gas discharged into the sealing top frame 71 and the corresponding sealing bottom frame 41 is discharged through the air guide head 78 and the air guide pipe 79, so as to automatically exhaust the excess gas in the lithium battery, and since the second telescopic shaft 75, the second telescopic sleeve 751 and the second spring 752 are arranged, the subsequent continuous descent of the sealing top frame 71 and the sealing clamping frame 711 is not affected;
[0048] After the excess gas in the lithium battery is automatically exhausted, the sealing top frame 71 and the sealing clamping frame 711 are continuously driven to descend again, the first side sealing pressing knife 76 and the second side sealing pressing knife 77 are driven to move downward, so as to automatically seal the side edges of the lithium battery through the first side sealing pressing knife 76 and the second side sealing pressing knife 77, and the sealing operation quality of the lithium battery is improved;
[0049] When the lithium battery is automatically sealed, the sealing top piece 7 is moved upward and reset, and is moved to the unloading area 13 by the transposition mechanism 3. Since the support ring plate 8 at the unloading area 13 position is provided with an unloading slot 801, the support ring plate 8 at the unloading area 13 position does not support the two bottom sealing plates 42. At this time, the two bottom sealing plates 42 are synchronously opened by rotating backward in the discharge port 411, the discharge port 411 is opened, and the automatically sealed lithium battery is automatically discharged from the sealing bottom piece 4 through the discharge port 411 and falls on the guide belt 93, thereby automatically unloading the lithium battery. By opening the two automatic guide rollers 92 to drive the guide belt 93, the lithium battery falling on the guide belt 93 is automatically guided away from the equipment for subsequent processing;
[0050] When the lithium battery is automatically unloaded, the sealing bottom piece 4 is moved to the unloading area 13 again by the transposition mechanism 3. During this period, when one of the bottom sealing plates 42 in the sealing bottom piece 4 automatically passes through the edge of the unloading slot 801, the unloading slot 801 drives the one bottom sealing plate 42 to automatically rotate backward and reset. The top of the transmission gear 101 is engaged with the bottom of the transmission rack 103, the transmission rack 103 drives the transmission gear 101, the auxiliary shaft 10, the other rotating shaft 421, and the bottom sealing plate 42 to synchronously and automatically rotate backward and reset, so that the two bottom sealing plates 42 are reset and clamped in the discharge port 411, thereby resealing the discharge port 411 for subsequent feeding of the lithium battery for supporting the lithium battery;
[0051] By setting the transposition mechanism 3, the positions of the three sealing bottom pieces 4 are changed, and the sealing top piece 7 is used in cooperation to sequentially perform automatic exhaust of excess gas, automatic sealing of the side edges of the lithium battery, thereby improving the overall sealing operation quality and efficiency of the lithium battery;
[0052] In cooperation with the support ring plate 8 and the guide assembly 9, the automatic unloading operation of the automatically sealed lithium battery and the automatic guiding of the lithium battery away from the equipment are facilitated, thereby facilitating subsequent processing of the lithium battery.
[0053] Although embodiments of the present application have been shown and described, it is to be understood that various modifications, substitutions, replacements and changes can be made to these embodiments without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. A full-automatic sealing machine for lithium batteries, comprising a device bottom frame (1), characterized in that: The outer side of the equipment bottom frame (1) is provided with a feeding area (11), a sealing area (12) and a discharging area (13), the top end of the equipment bottom frame (1) is provided with a tripod top frame (2), a transposition mechanism (3) is arranged between the equipment bottom frame (1) and the tripod top frame (2), the end of the tripod top frame (2) is fixedly installed with a sealing bottom part (4), the sealing bottom part (4) is respectively corresponding to the position of the feeding area (11), the sealing area (12) and the discharging area (13), a supporting frame (5) is fixedly installed at the sealing area (12), a plurality of electric lifting rods (6) are fixedly installed on the top of the supporting frame (5), a sealing top part (7) used in cooperation with the sealing bottom part (4) is fixedly installed on the driving end of the electric lifting rod (6), the bottom end of the sealing bottom part (4) is provided with a supporting ring plate (8), and a material guiding assembly (9) is fixedly installed at the discharging area (13); The sealing bottom part (4) comprises a sealing bottom frame (41), the sealing bottom frame (41) is fixedly installed at the end of the tripod top frame (2), a discharging port (411) is formed in the bottom of the sealing bottom frame (41), two bottom sealing plates (42) symmetrically distributed are movably clamped in the discharging port (411), rotating shafts (421) are fixedly installed at the opposite ends of the two bottom sealing plates (42), the rotating shafts (421) are rotatably installed at the bottom of the sealing bottom frame (41), a positioning inner frame (43) is fixedly clamped at the middle of the inner side of the sealing bottom frame (41), a limiting frame (44) is fixedly clamped at the top of the inner side of the sealing bottom frame (41), a dredging frame (45) is fixedly installed between the bottom end of the limiting frame (44) and the top end of the positioning inner frame (43), supporting bottom pads (46) are fixedly installed on the upper surfaces of the bottom sealing plates (42), and the supporting bottom pads (46) are movably clamped in the positioning inner frame (43); The sealing top part (7) comprises a sealing top frame (71), the sealing top frame (71) is fixedly installed at the driving end of the plurality of electric lifting rods (6), a sealing clamping frame (711) is fixedly installed at the bottom end of the sealing top frame (71), the sealing clamping frame (711) is movably clamped at the top of the sealing bottom frame (41), a sealing clamping frame (72) is arranged at the bottom end of the sealing clamping frame (711), a plurality of first telescopic shafts (73) are fixedly installed at the top end of the sealing clamping frame (72), first telescopic sleeves (731) are movably sleeved at the top of the outer side of the first telescopic shafts (73), the first telescopic sleeves (731) are fixedly clamped at the bottom end of the sealing clamping frame (711), first springs (732) are fixedly installed between the top end of the first telescopic shafts (73) and the corresponding first telescopic sleeves (731), the sealing clamping frame (72) is movably clamped in the sealing bottom frame (41), a sealing pad frame (721) is fixedly installed at the bottom end of the sealing clamping frame (72), and the lower surface of the sealing pad frame (721) is in contact with the upper surface of the limiting frame (44). The bottom end of the sealing top frame (71) is fixedly installed with a first side sealing press blade (76) and a second side sealing press blade (77), the first side sealing press blade (76) and the second side sealing press blade (77) are vertically distributed, and the first side sealing press blade (76) and the second side sealing press blade (77) are located at the side ends of the gas removal pressure plate (74).
2. The full-automatic sealing machine for lithium batteries according to claim 1, characterized in that: The transposition mechanism (3) comprises a rotating bearing (31) fixedly connected to the middle of the equipment bottom frame (1), a transposition shaft (32) fixedly connected to the middle of the rotating bearing (31), the top end of the transposition shaft (32) and the middle of the bottom end of the tripod top frame (2) are fixedly connected, the bottom end of the transposition shaft (32) extends into the equipment bottom frame (1), the bottom end of the transposition shaft (32) is fixedly sleeved with a driven worm gear (33), the side end of the driven worm gear (33) is engaged with a driving worm (34), the two ends of the driving worm (34) are rotatably sleeved with a rotating frame (341), the rotating frame (341) is fixedly connected to the inner lower wall of the equipment bottom frame (1), and the inner lower wall of the equipment bottom frame (1) is fixedly connected with a servo motor (35) on the side close to the driving worm (34), and the driving end of the servo motor (35) and one end of the driving worm (34) are coaxially fixedly connected.
3. The full-automatic sealing machine for lithium batteries according to claim 1, characterized in that: The size of the two bottom sealing plates (42) is greater than the size of the discharge port (411).
4. The full-automatic sealing machine for lithium batteries according to claim 1, characterized in that: The bottom end of the sealing top frame (71) is fixedly installed with a first side sealing press blade (76) and a second side sealing press blade (77), the first side sealing press blade (76) and the second side sealing press blade (77) are vertically distributed, and the first side sealing press blade (76) and the second side sealing press blade (77) are located at the side ends of the gas removal pressure plate (74).
5. The full-automatic sealing machine for lithium batteries according to claim 1, characterized in that: The support ring plate (8) and the tripod top frame (2) are coaxially arranged, the upper surface of the support ring plate (8) is in contact with the lower surface of the bottom sealing plate (42), a plurality of stable frames (81) are fixedly installed at the bottom end of the support ring plate (8), the stable frames (81) are respectively fixedly installed at the top ends of the feeding area (11), the sealing area (12) and the discharging area (13), and the support ring plate (8) at the position of the discharging area (13) is provided with a discharging slot (801).
6. The full-automatic sealing machine for lithium batteries according to claim 1, characterized in that: The end of one of the rotating shafts (421) in the sealing bottom part (4) is fixedly installed with an auxiliary shaft (10), the end of the auxiliary shaft (10) is fixedly sleeved with a transmission gear (101), the side top end of the discharging area (13) close to the equipment bottom frame (1) is fixedly installed with an auxiliary frame (102), the auxiliary frame (102) is in L-shaped structure, the top of the auxiliary frame (102) is fixedly installed with a transmission rack (103) used in cooperation with the transmission gear (101), the transmission rack (103) is in arc-shaped structure, and the bottom of the transmission rack (103) is in meshing connection with the top of the transmission gear (101).
7. The full-automatic sealing machine for lithium batteries according to claim 1, characterized in that: The material guiding assembly (9) comprises two material guiding frames (91), the material guiding frames (91) are fixedly installed at the top end of the discharging area (13), and the top of each material guiding frame (91) is provided with an automatic material guiding roller (92); the outer sides of the two automatic material guiding rollers (92) are movably sleeved with a material guiding belt (93).
Citation Information
Patent Citations
Lithium battery package equipment
CN207705325U
Sealing device for lithium battery production
CN218173810U