Final sealing equipment of soft package battery

The soft-pack battery final sealing equipment with a rotary encapsulation stage and a flip-top cover structure solves the problems of excessive electrolyte extraction and human injury, achieving efficient encapsulation and safe operation.

CN223471621UActive Publication Date: 2025-10-24DONGGUAN HONGKAPOK ELECTRONIC TECH CO LTD
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Patent Information

Application Number
CN202422380425.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-27
Publication Date
2025-10-24
Estimated Expiration
2034-09-27

AI Technical Summary

Technical Problem

Existing final sealing equipment is prone to excessive extraction of electrolyte during the vacuuming process, which affects battery quality and may cause human injury in the event of equipment damage or operational errors.

Method used

Design a final sealing device for pouch batteries, which adopts a rotary sealing stage and a flip-type cover structure, combined with a safety light curtain. The rotary sealing stage reduces the amount of electrolyte extracted and prevents human collision during the sealing process.

Benefits of technology

It effectively reduces the amount of electrolyte extracted, improves packaging quality, enhances equipment operation safety, and avoids human injury.

✦ Generated by Eureka AI based on patent content.

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Abstract

A final sealing device of a soft package battery comprises a base, a packaging table, a packaging mechanism, a cover cap and a turner, the packaging table is provided with a battery placing adjusting plate, the packaging mechanism is arranged on the packaging table, at least one part of the packaging mechanism is located above the battery placing adjusting plate, the packaging table is rotatably arranged on the base to lift the packaging mechanism relative to an initial checking position, and the turner is arranged on the base. The cover cap is rotatably arranged on the packaging table, the turner is arranged on the packaging table and is in driving connection with the cover cap to drive the cover cap to rotate between a closing position and an opening position, and when the driving cover cap is located at the closing position, the driving cover cap covers the battery adjusting plate. According to the final sealing equipment disclosed by the utility model, the battery can be kept obliquely placed in the packaging process, the suction amount of electrolyte is reduced, and the overall safety can be improved through a flip type structure.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the packaging equipment of battery, especially the final sealing equipment of soft package battery. BACKGROUND

[0002] In the process of manufacturing soft package battery, need to inject electrolyte to soft package battery, after liquid injection to soft package battery, will first to the edge of the packaging film with sealing one encapsulation, then the middle part of packaging film is punctured, carries out vacuumizing to the inside of packaging film, finally carries out secondary encapsulation to the middle part of packaging film, also called final sealing, make the packaging film is divided into two parts, one part has positive and negative material, diaphragm and electrolyte inside, and airtight arrangement, another part does not have any material (i.e. the part that is punctured) inside, and communicate with the outside. At present, most manufacturers will adopt final sealing equipment to carry out secondary encapsulation operation of soft package battery

[0003] In the process of vacuumizing, some electrolyte will be extracted, if the extracted electrolyte is too much, then it will affect the quality of soft package battery, in order to solve this problem, the encapsulation table of final sealing equipment can be set as rotary structure, the soft package battery is inclined by rotating the encapsulation table, the puncture hole is lifted upwards, so under the action of gravity, the amount of electrolyte extracted can be reduced, such as drawer type power battery secondary sealing machine disclosed in Chinese invention application CN110190334A.

[0004] However, for the above-mentioned drawer type structure, when the encapsulation table is inclined, if the drawer is not locked, or the equipment is damaged and the locking fails, the drawer is easy to reverse and exit, in this case, the drawer may collide with the human body and cause human body injury. UTILITY MODEL CONTENTS

[0005] In order to overcome the shortcomings and deficiencies in the prior art, the purpose of the utility model is to design a final sealing equipment for soft package battery, which can not only reduce the amount of electrolyte extracted from the soft package battery, but also avoid the problem of human body injury caused by operation failure or equipment damage.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a final sealing equipment for soft package battery, which comprises: a base, an encapsulation table, an encapsulation mechanism, a cover and a turnover device, the encapsulation table is provided with a battery adjusting plate, the encapsulation mechanism is arranged on the encapsulation table and at least a part of it is located above the battery adjusting plate, the encapsulation table is rotatably arranged on the base to lift the encapsulation mechanism relative to an initial position, the cover is rotatably arranged on the encapsulation table, the turnover device is arranged on the encapsulation table and is drivingly connected with the cover to drive the cover to rotate between a closed position and an open position, when the driving cover is located in the closed position, the driving cover covers the battery adjusting plate.

[0007] Further, the packaging table is provided with a containing groove, and the battery adjusting plate is located at the bottom of the containing groove. By arranging the containing groove, the soft package battery can be prevented from falling from the battery adjusting plate when the packaging is completed and the cover is opened, thereby protecting the soft package battery.

[0008] Further, the left wall and the right wall of the base are each provided with an adjusting shaft and an adjusting screw hole arranged left and right, the left wall and the right wall of the packaging table are each provided with an adjusting shaft hole and an arc-shaped hole, the center of the arc-shaped hole coincides with the center of the adjusting shaft hole, the adjusting shaft is inserted into the adjusting shaft hole, and the terminal sealing device further comprises a plurality of adjusting screws which pass through the arc-shaped hole and are screwed with the adjusting screw hole. By cooperation of the adjusting screw and the arc-shaped hole, the rotation and locking operation of the packaging table can be realized.

[0009] Further, the left wall and the right wall of the base are each provided with at least two adjusting screw holes, the left wall and the right wall of the packaging table are each provided with at least two arc-shaped holes, and the four adjusting screw holes and the four arc-shaped holes are arranged left and right one by one. By locking the left end and the right end of the packaging table through the at least two adjusting screws, a more stable fixing effect of the packaging table can be formed.

[0010] Further, the rear end of the packaging table is provided with a shaft support, and the cover comprises a cover body, the rear end of the cover body is provided with a turnover shaft arranged left and right, and the turnover shaft is rotationally connected with the shaft support. By cooperation of the shaft support and the turnover shaft, the turnover action of the cover can be realized.

[0011] Further, the cover further comprises a positioning plate and a positioning cylinder, the cylinder body of the positioning cylinder is fixed to the cover body, and the piston rod of the positioning cylinder is connected with the positioning plate to drive the positioning plate to move between the cover body and the battery adjusting plate. By arranging the positioning plate and the positioning cylinder, the soft package battery can be pressed tightly during the packaging process, so that displacement of the soft package battery is avoided, and the packaging quality is improved.

[0012] Further, the packaging mechanism comprises a base, a lower heat sealing strip, a suction table, an upper heat sealing strip, a bayonet, a heat sealing lifter and a bayonet lifter, the lower heat sealing strip and the suction table are arranged on the base, and the lower heat sealing strip is located at the front side of the suction table, the upper heat sealing strip and the bayonet are located above the battery adjusting plate, the upper heat sealing strip is arranged opposite to the lower heat sealing strip, the heat sealing lifter is drivingly connected with the upper heat sealing strip to drive the upper heat sealing strip to move up and down relative to the lower heat sealing strip, the bayonet is arranged opposite to the suction table, and the bayonet lifter is drivingly connected with the bayonet to drive the bayonet to move up and down relative to the suction table. By cooperation of the bayonet and the suction table, the soft package battery can be pierced and vacuumized, and by cooperation of the lower heat sealing strip and the upper heat sealing strip, the soft package battery can be heat sealed.

[0013] Further, the heat sealing lifter comprises a heat sealing cylinder and a heat sealing support, the cylinder body of the heat sealing cylinder is fixed to the base, the piston rod of the heat sealing cylinder is fixedly connected with the heat sealing support, and the upper heat sealing strip is fixed to the heat sealing support; the bayonet lifter comprises a bayonet cylinder and a bayonet support, the cylinder body of the bayonet cylinder is fixed to the base, the piston rod of the bayonet cylinder is fixedly connected with the bayonet support, and the bayonet is fixed to the bayonet support; wherein the heat sealing cylinder and the bayonet cylinder can be used to drive the heat sealing and the piercing actions respectively.

[0014] Further, the base is provided with a heat sealing guide sleeve and a piercing guide sleeve, the heat sealing support and the bayonet support are both provided with guide rods, the heat sealing guide sleeve is arranged around the guide rod of the heat sealing support, and the piercing guide sleeve is arranged around the guide rod of the bayonet support; wherein the heat sealing guide sleeve and the piercing guide sleeve can guide the movement of the heat sealing support and the bayonet support respectively, so that the heat sealing and the piercing actions are more stable.

[0015] Further, the terminal sealing device further comprises a group of safety gratings, and the safety gratings are located on the front side of the battery adjusting plate; wherein the safety gratings can stop the device when the human body approaches the battery adjusting plate, and the safety is improved.

[0016] After the above technical scheme is adopted, the beneficial effects are: the terminal sealing device of the utility model can make the battery adjusting plate incline through the rotating packaging table, so that the battery is placed in an inclined manner during the packaging process, the suction amount of the electrolyte is reduced, the cover that can rotate relative to the packaging table is arranged on the other hand, the whole is in a flip cover structure, and the safety is higher. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the terminal sealing device related to the utility model;

[0018] Figure 2 It is a schematic view of the packaging table related to the utility model;

[0019] Figure 3 It is a schematic view of the base related to the utility model;

[0020] Figure 4 It is a schematic view of the cover related to the utility model;

[0021] Figure 5 It is a schematic view of the packaging mechanism related to the utility model.

[0022] The figure marks are: 1, base; 11, adjusting shaft; 12, adjusting screw hole; 2, packaging table; 20, battery adjusting plate; 21, containing groove; 22, adjusting shaft hole; 23, circular arc hole; 24, induction frame; 25, shaft frame; 3, packaging mechanism; 31, base, 311, heat sealing guide sleeve; 312, piercing guide sleeve; 32, lower heat sealing strip; 33, suction table; 34, upper heat sealing strip; 35, bayonet; 36, heat sealing lifter; 361, heat sealing cylinder; 362, heat sealing support; 37, bayonet lifter; 371, bayonet cylinder; 372, bayonet support; 4, cover; 41, cover body; 410, turnover shaft; 42, positioning plate; 43, positioning cylinder; 5, turnover device; 51, turnover cylinder; 52, fish eye joint; 6, safety grating. DETAILED DESCRIPTION

[0023] The technical scheme of the utility model is further described below through examples:

[0024] The utility model provides a kind of terminal sealing equipment of soft package battery, as shown in Figure 1 The terminal sealing equipment includes: base 1, packaging table 2, packaging mechanism 3, cover 4, turnover device 5 and a group of safety grating 6, packaging table 2 is equipped with battery adjusting plate 20, packaging mechanism 3 is arranged in packaging table 2 and at least part is located above battery adjusting plate 20, packaging table 2 is rotatably arranged in base 1 to lift packaging mechanism 3 relative to an initial position, cover 4 is rotatably arranged in packaging table 2, turnover device 5 is arranged in packaging table 2 and is driven connection with cover 4 to drive cover 4 to rotate between a closed position and an open position, when driving cover 4 is located in closed position, driving cover 4 covers battery adjusting plate 20, and safety grating 6 is located in the front side of battery adjusting plate 20.Before packaging, packaging mechanism 3 is located in initial position, at this time, battery adjusting plate 20 is horizontally arranged, cover 4 is opened, user places the soft package battery to be packaged on battery adjusting plate 20, and the position to be packaged on soft package battery is inserted into packaging mechanism 3;When packaging, cover 4 is rotated to closed position using turnover device 5 to cover soft package battery on battery adjusting plate 20, packaging table 2 is rotated to lift packaging mechanism 3, so that battery adjusting plate 20 and soft package battery are inclined from front to back, packaging mechanism 3 pierces the packaging film of soft package battery and extracts vacuum, after vacuum extraction is completed, packaging mechanism 3 is packaged in the middle part of packaging film, to complete terminal sealing operation;After packaging is completed, cover 4 is rotated to open position using turnover device 5, and user takes out soft package battery.In operation process, if safety grating 6 detects that human body is close to battery adjusting plate 20, the action of turnover device 5 is stopped.

[0025] It is worth mentioning that the upper, lower, left, right, front and rear positions of the utility model refer to the relative positions of the components when the packaging mechanism 3 is located at the initial position before the rotary packaging table 2 is rotated, and the positions of the components are changed when the packaging table 2 is rotated.

[0026] For different models of soft package batteries, the angle of the rotary packaging table 2 required may be different, and when the user packages the same model of battery, the packaging table 2 can be kept at the corresponding angle until all the batteries are packaged, and then the packaging table 2 is restored.

[0027] As a preferred scheme, as shown in Figure 2 , the packaging table 2 is provided with a containing groove 21, the battery adjusting plate 20 is located at the bottom of the containing groove 21, the bottom of the containing groove 21 is provided with a through hole, and the packaging mechanism 3 passes through the through hole.

[0028] Specifically, in combination with Figures 2-3 , the left wall and the right wall of the base 1 are each provided with a left-right arranged adjusting shaft 11 and an adjusting screw hole 12, the left wall and the right wall of the packaging table 2 are each provided with an adjusting shaft hole 22 and an arc-shaped hole 23, the center of the arc-shaped hole 23 coincides with the center of the adjusting shaft hole 22, the adjusting shaft 11 is inserted into the adjusting shaft hole 22, and the terminal sealing device further comprises: a plurality of adjusting screws (not shown in the figure), the adjusting screws pass through the arc-shaped hole 23 and are screwed with the adjusting screw hole 12. When the angle of the packaging table 2 is adjusted, the adjusting screws are first loosened, the packaging table 2 is rotated around the adjusting shaft 11, and then the adjusting screws are tightened, so that the packaging table 2 is locked.

[0029] As a preferred scheme, the left wall and the right wall of the base 1 are each provided with at least two adjusting screw holes 12, the left wall and the right wall of the packaging table 2 are each provided with at least two arc-shaped holes 23, and the four adjusting screw holes 12 and the four arc-shaped holes 23 are arranged one by one left-right opposite.

[0030] Specifically, please continue to refer to Figure 2 , the front end of the packaging table 2 is provided with two induction racks 24, the two induction racks 24 are each located on the front side of the battery adjusting plate 20, and the two sensors of a group of safety grating 6 are fixed to the two induction racks 24 and arranged opposite. In work, the two sensors detect the front side of the battery adjusting plate 20.

[0031] Specifically, in combination with Figure 2 and 4 , the rear end of the packaging table 2 is provided with a shaft rack 25, and the cover 4 comprises: a cover body 41, the rear end of the cover body 41 is provided with left-right arranged turnover shafts 41, and the turnover shafts 41 are rotationally connected with the shaft rack 25. When the cover 4 is opened or closed, the turnover shafts 41 rotate relative to the shaft rack 25, and the cover 4 rotates around the turnover shafts 41.

[0032] More specifically, please continue to refer toFigure 4 As shown, the cover 4 further comprises a positioning plate 42 and a positioning cylinder 43, the cylinder body of the positioning cylinder 43 is fixed to the cover body 41, and the piston rod of the positioning cylinder 43 is connected with the positioning plate 42 to drive the positioning plate 42 to move between the cover body 41 and the battery adjusting plate 20. After the cover 4 is closed, the positioning plate 42 can be driven by the positioning cylinder 43 to approach the battery adjusting plate 20 to press the soft-pack battery, so as to realize the positioning of the soft-pack battery.

[0033] In the embodiment, the positioning cylinder 43 is two, and the two positioning cylinders 43 are arranged at left and right intervals.

[0034] Specifically, as shown, Figure 5 The packaging mechanism 3 comprises a base 31, a lower heat sealing strip 32, a suction table 33, an upper heat sealing strip 34, a bayonet 35, a heat sealing lifter 36 and a bayonet lifter 37. The lower heat sealing strip 32 and the suction table 33 are both arranged on the base 31, and the lower heat sealing strip 32 is located at the front side of the suction table 33. The upper heat sealing strip 34 and the bayonet 35 are both located above the battery adjusting plate 20. The upper heat sealing strip 34 is arranged opposite to the lower heat sealing strip 32 in an up-down manner. The heat sealing lifter 36 is drivingly connected with the upper heat sealing strip 34 to drive the upper heat sealing strip 34 to move up and down relative to the lower heat sealing strip 32. The bayonet 35 is arranged opposite to the suction table 33 in an up-down manner. The bayonet lifter 37 is drivingly connected with the bayonet 35 to drive the bayonet 35 to move up and down relative to the suction table 33. During packaging, the bayonet 35 is first driven by the bayonet lifter 37 to approach the suction table 33 to pierce the packaging film of the soft-pack battery. Then the soft-pack battery is vacuumed by the suction table 33. Finally, the upper heat sealing strip 34 is driven by the heat sealing lifter 36 to approach the lower heat sealing strip 32 to heat seal the middle part of the packaging film.

[0035] In the embodiment, the suction table 33 is provided with a plurality of suction slits, and the bayonet 35 is also a plurality of bayonets. The plurality of suction slits and the plurality of bayonets are arranged at left and right equal intervals, and the plurality of bayonets are arranged opposite to the plurality of suction slits in an up-down manner one by one. The suction slits are communicated with the suction pump.

[0036] More specifically, the heat sealing lifter 36 comprises a heat sealing cylinder 361 and a heat sealing bracket 362. The cylinder body of the heat sealing cylinder 361 is fixed to the base 1, and the piston rod of the heat sealing cylinder 361 is fixedly connected with the heat sealing bracket 362. The upper heat sealing strip 34 is fixed to the heat sealing bracket 362. The bayonet lifter 37 comprises a bayonet cylinder 371 and a bayonet bracket 372. The cylinder body of the bayonet cylinder 371 is fixed to the base 1, and the piston rod of the bayonet cylinder 371 is fixedly connected with the bayonet bracket 372. The bayonet 35 is fixed to the bayonet bracket 372. During packaging, the upper heat sealing strip 34 and the bayonet 35 are driven to move by the heat sealing cylinder 361 and the bayonet cylinder 371 respectively.

[0037] In the embodiment, the base 31, the heat sealing support 362 and the bayonet support 372 all pass through the through hole of the accommodating groove 21, and the heat sealing cylinder 361 and the bayonet cylinder 371 are both located below the battery adjusting plate 20.

[0038] More specifically, the base 31 is provided with a heat sealing guide sleeve 311 and a bayonet guide sleeve 312, the heat sealing support 362 and the bayonet support 372 are both provided with guide rods, the heat sealing guide sleeve 311 is annularly arranged on the guide rod of the heat sealing support 362, and the bayonet guide sleeve 312 is annularly arranged on the guide rod of the bayonet support 372. During packaging, the guide rods of the heat sealing support 362 and the bayonet support 372 respectively move relative to the heat sealing guide sleeve 311 and the bayonet guide sleeve 312.

[0039] In the embodiment, the heat sealing guide sleeve 311 and the bayonet guide sleeve 312 are both two, the two heat sealing guide sleeves 311 are arranged at left and right intervals, the two bayonet guide sleeves 312 are arranged at left and right intervals, and the heat sealing support 362 and the bayonet support 372 are both provided with two guide rods.

[0040] Specifically, please continue to refer to Figure 1 As shown, the turnover device 5 includes a turnover cylinder 51 and a fish eye joint 52, the cylinder body of the turnover cylinder 51 is rotatably arranged on the packaging table 2, the piston rod of the turnover cylinder 51 is fixedly connected with the fish eye joint 52, and the fish eye joint 52 is rotatably connected with the cover 4. When opening or closing the cover 4, the cover 4 is driven to rotate by the turnover cylinder 51.

[0041] In the embodiment, the turnover device 5 is two, and the two turnover devices 5 are arranged at left and right intervals.

[0042] In the embodiment, the heat sealing lifter 36, the bayonet lifter 37 and the turnover device 5 are all driven by the cylinder, and in other embodiments, the heat sealing lifter 36, the bayonet lifter 37 and the turnover device 5 can also be driven by other pressure cylinders, such as hydraulic cylinders.

Claims

1. A terminal sealing apparatus of a pouch battery, comprising: The base, the packaging table, the packaging mechanism, the cover and the turnover device, the packaging table is provided with a battery adjusting plate, the packaging mechanism is arranged on the packaging table and at least a part is above the battery adjusting plate, the packaging table is rotatably arranged on the base to lift the packaging mechanism relative to an initial position, characterized in that: the cover is rotatably arranged on the packaging table, the turnover device is arranged on the packaging table and is drivingly connected with the cover to drive the cover to rotate between a closed position and an open position, when the driving cover is located in the closed position, the driving cover covers the battery adjusting plate. 2.The terminal sealing apparatus of the pouch battery according to claim 1, characterized by: The packaging table is provided with a containing groove, and the battery adjusting plate is located at the bottom of the containing groove. 3.The terminal sealing apparatus of the pouch battery according to claim 1, characterized in that: The left wall and the right wall of the base are respectively provided with adjusting shafts and adjusting screw holes arranged left and right, the left wall and the right wall of the packaging table are respectively provided with adjusting shaft holes and circular arc holes, the centers of the circular arc holes coincide with the centers of the adjusting shaft holes, the adjusting shafts are inserted into the adjusting shaft holes, and the terminal sealing equipment further comprises a plurality of adjusting screws which pass through the circular arc holes and are screwed with the adjusting screw holes. 4.The soft-pack battery final sealing apparatus according to claim 3, characterized by: The left wall and the right wall of the base are respectively provided with at least two adjusting screw holes, and the left wall and the right wall of the packaging table are respectively provided with at least two circular arc holes, the four adjusting screw holes and the four circular arc holes are arranged one by one left and right opposite. 5.The terminal sealing apparatus of the pouch battery according to claim 1, characterized in that: The rear end of the packaging table is provided with a shaft support, and the cover comprises a cover body, the rear end of the cover body is provided with left and right arranged turnover shafts, and the turnover shafts are rotatably connected with the shaft support. 6.The terminal sealing apparatus of the pouch battery according to claim 5, characterized in that: The cover further comprises a positioning plate and a positioning cylinder, the cylinder body of the positioning cylinder is fixed to the cover body, and the piston rod of the positioning cylinder is connected with the positioning plate to drive the positioning plate to move between the cover body and the battery adjusting plate. 7.The terminal sealing apparatus of the pouch battery according to claim 1, characterized in that: The packaging mechanism comprises a base, a lower heat sealing strip, a suction table, an upper heat sealing strip, a bayonet, a heat sealing lifter and a bayonet lifter, the lower heat sealing strip and the suction table are arranged on the base and the lower heat sealing strip is located on the front side of the suction table, the upper heat sealing strip and the bayonet are located above the battery adjusting plate, the upper heat sealing strip is arranged opposite to the lower heat sealing strip, the heat sealing lifter is drivingly connected with the upper heat sealing strip to drive the upper heat sealing strip to move up and down relative to the lower heat sealing strip, and the bayonet is arranged opposite to the suction table, the bayonet lifter is drivingly connected with the bayonet to drive the bayonet to move up and down relative to the suction table. 8.The terminal sealing apparatus of the pouch battery according to claim 7, characterized in that: The heat sealing lifter comprises a heat sealing cylinder and a heat sealing support, the cylinder body of the heat sealing cylinder is fixed to the base, the piston rod of the heat sealing cylinder is fixedly connected with the heat sealing support, and the upper heat sealing strip is fixed to the heat sealing support; the bayonet lifter comprises a bayonet cylinder and a bayonet support, the cylinder body of the bayonet cylinder is fixed to the base, the piston rod of the bayonet cylinder is fixedly connected with the bayonet support, and the bayonet is fixed to the bayonet support. 9.The terminal sealing apparatus of the pouch battery according to claim 8, characterized in that: The base is provided with a heat sealing guide sleeve and a piercing guide sleeve, the heat sealing support and the bayonet support are respectively provided with guide rods, the heat sealing guide sleeve is annularly arranged on the guide rod of the heat sealing support, and the piercing guide sleeve is annularly arranged on the guide rod of the bayonet support. 10.The terminal sealing apparatus of the pouch battery according to claim 1, characterized in that: The terminal sealing equipment further comprises a set of safety gratings, and the safety gratings are located on the front side of the battery adjusting plate.

Citation Information

Patent Citations

  • Drawer-type power battery secondary packaging machine

    CN110190334A