Integrated final sealing equipment of soft package lithium battery

Abstract

The utility model provides integrated final sealing equipment for a soft package lithium battery, which comprises a main body assembly, and the main body assembly comprises a packaging box, a packaging table, a speed reducing motor, a turntable, a feeding and discharging table, a material seat, a material groove, a liquid injection mechanism, a sealing mechanism, a standing mechanism, an operation port, a control table, a starting key and an emergency key. By adopting an automatic control system, the functions of automatic liquid injection, automatic standing, automatic sealing and the like are realized, manual intervention is reduced, the labor intensity is reduced, the production efficiency and the consistency of product quality are improved, and meanwhile, the sealing mechanism adopts a cylinder driving and heating element heating mode, so that the production efficiency is improved. The position and the temperature of the heat sealing head can be accurately controlled, and the sealing performance and the quality of a sealing opening are ensured; by integrating a plurality of procedures of liquid injection, standing, sealing and the like, transfer links in the production process are reduced, the production efficiency is improved, and meanwhile, the integrated design also reduces the occupied area, so that the production line is more compact and efficient.

Description

Technical Field

[0001] The utility model relates to the technical field of soft-pack lithium battery processing equipment, in particular to an integrated final sealing device for soft-pack lithium batteries. Background Art

[0002] Soft-pack lithium batteries are lithium-ion batteries that use aluminum-plastic composite film as the outer packaging material. Compared with other types of lithium batteries, soft-pack lithium batteries have the following characteristics and advantages:

[0003] Due to the use of soft packaging materials, the volume and weight of soft-pack lithium batteries are relatively small under the condition of the same capacity, which is more conducive to the realization of lightweight and thin design of equipment;

[0004] When an abnormality occurs inside the battery, the soft-pack battery will usually only bulge and rupture, and is not prone to explosion, so it is relatively safe;

[0005] It can be designed into various shapes according to customer needs to adapt to different product space and structural requirements;

[0006] Small internal resistance can improve the discharge performance and cycle life of the battery;

[0007] With the continuous development of science and technology, soft-pack lithium batteries have been widely used in various electronic products due to their advantages such as high energy density, light weight, and flexible form. However, in the production process of soft-pack lithium batteries, the final sealing process often has problems such as low efficiency, high cost, and inconsistent product quality. Traditional final sealing equipment often uses split equipment and step-by-step operation. This not only increases the complexity of operation, but also easily causes the battery to leak, bloating, and other adverse phenomena during the final sealing process, affecting the product qualification rate. Therefore, an integrated final sealing device for soft-pack lithium batteries is proposed. Utility Model Content

[0008] In view of this, the present invention hopes to provide an integrated final sealing device for soft-pack lithium batteries to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial option.

[0009] The technical solution of the embodiment of the utility model is achieved as follows: an integrated final sealing device for soft-pack lithium batteries, including a main body assembly, the main body assembly including a packaging box, a packaging table, a reduction motor, a turntable, a loading and unloading table, a material holder, a material trough, a liquid injection mechanism, a sealing mechanism, a static mechanism, an operation port, a control console, a start button and an emergency button;

[0010] A packaging table is fixedly connected to the middle of the inner wall of the packaging box, a reduction motor is provided in the middle of the upper surface of the packaging table, and a turntable is fixedly connected to the output end of the reduction motor. Loading and unloading platforms are provided on all four sides of the upper surface of the turntable, a material seat is provided in the middle of the upper surface of the loading and unloading platforms, and a plurality of material troughs are provided on the upper surface of the material seat. A liquid injection mechanism and a sealing mechanism are respectively provided on both sides of the upper surface of the packaging table, and a static mechanism is provided on the rear part of the upper surface of the packaging table. An operation port is provided on the upper part of the front surface of the packaging box, and a console is fixedly connected to the lower part of the front surface of the packaging box near the operation port. Start buttons are provided on both sides of the upper surface of the console, and an emergency button is provided in the middle of the upper surface of the console.

[0011] Further preferably, the sealing mechanism includes a support column, a support plate, a first cylinder, a connecting seat, a sealing shell, a slot, a sealing cylinder, a heating element, a heat sealing head and a limiting groove;

[0012] The front and rear parts of one side of the packaging table are fixedly connected to support columns, and the upper surfaces of the two support columns are fixedly connected to a support plate, and a first cylinder is fixedly connected to the outer side of the center of the upper surface of the support plate, and the output end of the first cylinder is fixedly connected to a connecting seat, and the bottom of the connecting seat passes through the center of the upper surface of the support plate, and the bottom of the connecting seat is fixedly connected to a sealing shell, and a slot is provided in the middle of the lower surface of the sealing shell, and the outer side wall of the material seat is slidably connected to the inner side wall of the slot, and multiple sealing cylinders are fixedly connected to both sides of the sealing shell, and the output ends of multiple sealing cylinders are fixedly connected to heating elements, and the adjacent sides of multiple heating elements are fixedly connected to heat sealing heads, and multiple limiting grooves are provided on both sides of the inner side wall of the sealing shell, and the outer side walls of the heating elements and the heat sealing heads are slidably connected to the inner side walls of the limiting grooves.

[0013] Further preferably, the front and rear parts of the upper surface of the support plate are fixedly connected to the limiting cylinder, the inner side walls of the two limiting cylinders are slidably connected to the limiting columns, the bottom of the limiting columns passes through the upper surface of the support plate near the center of the limiting cylinder, the upper front and rear surfaces of the sealing shell are fixedly connected to the connecting base, and the bottom of the limiting column is fixedly connected to the top of the connecting base.

[0014] Further preferably, vacuum exhaust ports are provided at the front and rear of the upper surface of the sealing shell.

[0015] Further preferably, the upper surfaces of the loading and unloading platforms are both provided with sealing strips near the outer sides of the material seat, and the lower surface of the sealing shell is close to the outer sides of the slots and is fittedly connected to the upper surfaces of the sealing strips.

[0016] Further preferably, a touch screen is provided on an upper side of the front surface of the packaging box close to the operation port.

[0017] Further preferably, a three-color warning light is provided on the front side of the upper surface of the packaging box close to the touch screen.

[0018] Further preferably, a power switch is provided on the front of one side of the packaging box.

[0019] The embodiment of the present invention has the following advantages due to the adoption of the above technical solution:

[0020] 1. This utility model realizes functions such as automatic liquid injection, automatic static setting and automatic sealing by adopting an automated control system, which reduces manual intervention, reduces labor intensity, and improves production efficiency and product quality consistency. At the same time, the sealing mechanism adopts cylinder drive and heating element heating mode, which can accurately control the position and temperature of the heat sealing head, ensuring the sealing and quality of the sealing part.

[0021] 2. The utility model integrates multiple processes such as liquid injection, static standing, and sealing into one, which reduces the transfer links in the production process and improves production efficiency. At the same time, the integrated design also reduces the floor space, making the production line more compact and efficient.

[0022] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the present invention will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or technical descriptions. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0024] Figure 1 This is the overall structural diagram of the utility model;

[0025] Figure 2 This is a structural diagram of the liquid injection mechanism and the static mechanism of the utility model;

[0026] Figure 3 This is a structural diagram of the sealing shell and sealing cylinder of the utility model;

[0027] Figure 4 A cross-sectional structural diagram of the sealing shell and heat sealing head of the utility model;

[0028] Figure 5 This is a structural diagram of the heating element and heat sealing head of the utility model.

[0029] Figure markings: 1. Main assembly; 11. Packaging box; 12. Packaging table; 13. Reducer motor; 14. Turntable; 15. Loading and unloading platform; 16. Material base; 17. Material trough; 18. Liquid injection mechanism; 19. Sealing mechanism; 20. Standing mechanism; 21. Operation port; 22. Control console; 23. Start button; 24. Emergency button; 25. Support column; 26. Support plate; 27. First cylinder; 28. Connecting seat; 29. ​​Sealing shell; 30. Slot; 31. Sealing cylinder; 32. Heating element; 33. Heat sealing head; 34. Limiting groove; 35. Limiting cylinder; 36. Limiting column; 37. Connecting base; 38. Vacuum exhaust port; 39. Sealing strip; 40. Touch screen; 41. Three-color warning light; 42. Power switch. DETAILED DESCRIPTION

[0030] Hereinafter, only certain exemplary embodiments are briefly described. As will be appreciated by those skilled in the art, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and description are to be regarded as illustrative in nature and not restrictive.

[0031] The embodiments of the present invention are described in detail below with reference to the accompanying drawings.

[0032] like Figure 1-Figure 5 As shown, the embodiment of the present invention provides an integrated final sealing device for soft-pack lithium batteries, including a main body assembly 1, which includes a packaging box 11, a packaging table 12, a reduction motor 13, a turntable 14, a loading and unloading table 15, a material holder 16, a material trough 17, a liquid injection mechanism 18, a sealing mechanism 19, a static mechanism 20, an operation port 21, a control console 22, a start button 23, and an emergency button 24;

[0033] A packaging table 12 is fixedly connected to the middle of the inner wall of the packaging box 11, and a reduction motor 13 is provided in the middle of the upper surface of the packaging table 12. The output end of the reduction motor 13 is fixedly connected to a turntable 14. Loading and unloading platforms 15 are provided on all sides of the upper surface of the turntable 14. A material seat 16 is provided in the middle of the upper surface of the loading and unloading platforms 15, and a plurality of material troughs 17 are provided on the upper surface of the material seat 16. A liquid injection mechanism 18 and a sealing mechanism 19 are respectively provided on both sides of the upper surface of the packaging table 12, and a static mechanism 20 is provided at the rear part of the upper surface of the packaging table 12. An operation port 21 is provided on the upper front surface of the packaging box 11, and a control console 22 is fixedly connected to the lower part of the front surface of the packaging box 11 near the operation port 21. Start buttons 23 are provided on both sides of the upper surface of the control console 22, and an emergency button 24 is provided in the middle of the upper surface of the control console 22. The operation port 21 is convenient for the operator to perform loading and unloading operations.

[0034] In one embodiment, specifically: the sealing mechanism 19 includes a support column 25, a support plate 26, a first cylinder 27, a connecting seat 28, a sealing shell 29, a slot 30, a sealing cylinder 31, a heating element 32, a heat sealing head 33 and a limiting groove 34;

[0035] The front and rear parts of one side of the packaging table 12 are fixedly connected with support columns 25, and the upper surfaces of the two support columns 25 are fixedly connected with support plates 26. The outer side of the center of the upper surface of the support plate 26 is fixedly connected with a first cylinder 27. The output end of the first cylinder 27 is fixedly connected with a connecting seat 28. The bottom of the connecting seat 28 passes through the center of the upper surface of the support plate 26. The bottom of the connecting seat 28 is fixedly connected to a sealing shell 29. A slot 30 is provided in the middle of the lower surface of the sealing shell 29. The outer wall of the material seat 16 is slidably connected to the inner wall of the slot 30. Both sides of the sealing shell 29 are fixed. There are multiple sealing cylinders 31 fixedly connected, and the output ends of the multiple sealing cylinders 31 are fixedly connected to heating elements 32. The adjacent sides of the multiple heating elements 32 are fixedly connected to heat sealing heads 33. Multiple limiting grooves 34 are opened on both sides of the inner wall of the sealing shell 29. The outer walls of the heating elements 32 and the heat sealing heads 33 are slidably connected to the inner walls of the limiting grooves 34. The heating elements 32 and the heat sealing heads 33 slide inside the limiting grooves 34, thereby limiting the heating elements 32 and the heat sealing heads 33, thereby increasing the stability of the movement of the heating elements 32 and the heat sealing heads 33.

[0036] In one embodiment, specifically: the front and rear portions of the upper surface of the support plate 26 are fixedly connected to the limiting cylinder 35, the inner side walls of the two limiting cylinders 35 are slidably connected to the limiting columns 36, the bottom of the limiting columns 36 passes through the upper surface of the support plate 26 near the center of the limiting cylinder 35, the upper front and rear surfaces of the sealing shell 29 are fixedly connected to the connecting base 37, the bottom of the limiting columns 36 is fixedly connected to the top of the connecting base 37, and the limiting columns 36 connected to the sealing shell 29 through the connecting base 37 slide inside the limiting cylinder 35, thereby limiting the limiting columns 36, thereby increasing the stability of the lifting and lowering of the sealing shell 29.

[0037] In one embodiment, specifically: vacuum exhaust ports 38 are opened on the front and rear of the upper surface of the sealing shell 29, and vacuum equipment is connected through the vacuum exhaust ports 38 to facilitate vacuum treatment of the soft-pack lithium battery before heat sealing.

[0038] In one embodiment, specifically: a sealing strip 39 is provided on the upper surface of the loading and unloading platform 15 near the outer side of the material seat 16, and the lower surface of the sealing shell 29 near the outer side of the slot 30 is fitted and connected to the upper surface of the sealing strip 39. The sealing strip 39 seals the contact part between the loading and unloading platform 15 and the sealing shell 29, thereby increasing the sealing performance of the contact part between the loading and unloading platform 15 and the sealing shell 29.

[0039] In one embodiment, specifically: a touch screen 40 is provided on the upper side of the front surface of the packaging box 11 close to the operation port 21 , and the touch screen 40 facilitates necessary parameter settings and mode selection operations for the device.

[0040] In one embodiment, specifically: a three-color warning light 41 is provided on the front side of the upper surface of the packaging box 11 near the touch screen 40. During operation of the device, the three-color warning light 41 will display different colors according to the device status (e.g., green for normal operation, red for failure or emergency). In case of an emergency, the operator can immediately press the emergency button 24 to stop the device immediately.

[0041] In one embodiment, specifically: a power switch 42 is provided on the front of one side of the packaging box 11 , and the power switch 42 is used to conveniently turn the power on and off the device.

[0042] When the present invention is in operation: turn on the power switch 42 to connect the power to the equipment, and make necessary parameter settings and mode selections through the touch screen 40 to ensure that the soft-pack lithium batteries to be packaged have been placed on the loading and unloading platform 15, and each lithium battery is correctly placed in the material trough 17 of the material holder 16. The operator presses the start button 23 on the console 22, the equipment starts to run, the reduction motor 13 starts, and drives the turntable 14 to rotate slowly, and sends the loading and unloading platform 15 loaded with lithium batteries to the bottom of the injection mechanism 18, the sealing mechanism 19 and the static mechanism 20 one by one. When the loading and unloading platform 15 rotates to the bottom of the injection mechanism 18, the injection mechanism 18 automatically injects the lithium batteries. After the injection is completed, the turntable 14 continues to rotate to the bottom of the static mechanism 20, stands for a period of time and performs vacuuming. After the standing is completed, the loading and unloading platform 15 continues to rotate to the bottom of the sealing mechanism 19. At this time, the first The cylinder 27 is started, pushing the connecting seat 28 and the sealing shell 29 downward until the slot 30 of the sealing shell 29 is tightly fitted with the outer wall of the material seat 16. The sealing cylinder 31 is started, pushing the heating element 32 and the heat sealing head 33 to move toward the sealing position of the lithium battery. The heating element 32 heats the heat sealing head 33, and the heat sealing head 33 contacts the sealing position of the lithium battery and achieves sealing by hot pressing. At this time, the limit groove 34 ensures the stability of the heating element 32 and the heat sealing head 33 during the movement. After the sealing is completed, the sealing cylinder 31 retracts, and the first cylinder 27 also drives the sealing shell 29 to rise and return to the initial position. The sealed lithium battery continues to rotate with the loading and unloading platform 15 to the loading and unloading position at the operating port 21. The operator takes out the packaged lithium battery and places a new lithium battery to be packaged. The turntable 14 continues to rotate, and the above-mentioned injection, sealing and static processes are repeated to achieve continuous production.

[0043] The above description is merely a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Any person skilled in the art can easily conceive of various modifications or substitutions within the technical scope disclosed in the present invention, and such modifications or substitutions are intended to be within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be based on the scope of protection of the claims.

Claims

1. An integrated final sealing device for soft-pack lithium batteries, characterized by: The invention comprises a main assembly (1), wherein the main assembly (1) comprises a packaging box (11), a packaging table (12), a reduction motor (13), a turntable (14), a loading and unloading table (15), a material base (16), a material trough (17), a liquid injection mechanism (18), a sealing mechanism (19), a static mechanism (20), an operation port (21), a control console (22), a start button (23) and an emergency button (24); The middle of the inner side wall of the packaging box (11) is fixedly connected to a packaging table (12), the middle of the upper surface of the packaging table (12) is provided with a reduction motor (13), the output end of the reduction motor (13) is fixedly connected to a turntable (14), the upper surface of the turntable (14) is provided with loading and unloading platforms (15) all around, the middle of the upper surface of the loading and unloading platforms (15) is provided with a material seat (16), the upper surface of the material seat (16) is provided with a plurality of material slots (17), the upper surface of the packaging table (12) is provided with a plurality of material slots (17), and the upper surface of the packaging table (12) is provided with a plurality of material slots (17). A liquid injection mechanism (18) and a sealing mechanism (19) are respectively provided on both sides, a stationary mechanism (20) is provided on the rear portion of the upper surface of the packaging table (12), an operation port (21) is provided on the upper portion of the front surface of the packaging box (11), a control console (22) is fixedly connected to the lower portion of the front surface of the packaging box (11) near the operation port (21), a start button (23) is provided on both sides of the upper surface of the control console (22), and an emergency button (24) is provided in the middle portion of the upper surface of the control console (22).

2. The integrated final sealing device for a soft-pack lithium battery according to claim 1, characterized in that: The sealing mechanism (19) comprises a support column (25), a support plate (26), a first cylinder (27), a connecting seat (28), a sealing shell (29), a slot (30), a sealing cylinder (31), a heating element (32), a heat sealing head (33) and a limiting groove (34); The front and rear parts of one side of the packaging platform (12) are fixedly connected to support columns (25), the upper surfaces of the two support columns (25) are fixedly connected to support plates (26), the outer side of the center of the upper surface of the support plate (26) is fixedly connected to a first cylinder (27), the output end of the first cylinder (27) is fixedly connected to a connecting seat (28), the bottom of the connecting seat (28) passes through the center of the upper surface of the support plate (26), the bottom of the connecting seat (28) is fixedly connected to a sealing shell (29), and a slot is provided in the middle of the lower surface of the sealing shell (29). (30), the outer wall of the material holder (16) is slidably connected to the inner wall of the slot (30), multiple sealing cylinders (31) are fixedly connected to both sides of the sealing shell (29), the output ends of multiple sealing cylinders (31) are fixedly connected to heating elements (32), and the adjacent sides of multiple heating elements (32) are fixedly connected to heat sealing heads (33), and multiple limiting grooves (34) are opened on both sides of the inner wall of the sealing shell (29), and the outer walls of the heating elements (32) and the heat sealing heads (33) are slidably connected to the inner walls of the limiting grooves (34).

3. The integrated final sealing device for a soft-pack lithium battery according to claim 2, characterized in that: The front and rear portions of the upper surface of the support plate (26) are fixedly connected to the limiting cylinder (35), the inner side walls of the two limiting cylinders (35) are slidably connected to the limiting posts (36), the bottoms of the limiting posts (36) pass through the upper surface of the support plate (26) near the center of the limiting cylinder (35), the upper front and rear surfaces of the sealing shell (29) are fixedly connected to the connecting base (37), and the bottoms of the limiting posts (36) are fixedly connected to the top of the connecting base (37).

4. The integrated final sealing device for a soft-pack lithium battery according to claim 2, characterized in that: Vacuum exhaust ports (38) are provided at the front and rear of the upper surface of the sealing shell (29).

5. The integrated final sealing device for soft-pack lithium batteries according to claim 2, characterized in that: The upper surface of the loading and unloading platform (15) is provided with a sealing strip (39) near the outer side of the material seat (16), and the lower surface of the sealing shell (29) is close to the outer side of the slot (30) and is connected to the upper surface of the sealing strip (39).

6. The integrated final sealing device for soft-pack lithium batteries according to claim 1, characterized in that: A touch screen (40) is provided on an upper side of the front surface of the packaging box (11) close to the operating port (21).

7. The integrated final sealing device for soft-pack lithium batteries according to claim 6, characterized in that: A three-color warning light (41) is provided on the front side of the upper surface of the packaging box (11) close to the touch screen (40).

8. The integrated final sealing device for soft-pack lithium batteries according to claim 7, characterized in that: A power switch (42) is provided on the front of one side of the packaging box (11).

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