Automatic immersion processing line for battery cell

Abstract

The invention discloses an automatic liquid immersion processing line for a battery cell. The automatic liquid immersion processing line comprises an impregnation cylinder, an integrated valve, an automatic liquid removal device for the battery cell, automatic drying equipment and a feeding device, an impregnation cylinder, an automatic battery cell liquid removing device, automatic drying equipment and a feeding device are arranged, and the output end of the feeding device is matched to move back and forth among the impregnation cylinder, the automatic battery cell liquid removing device and the automatic drying equipment; the automatic feeding and discharging process of the battery cell among the impregnation cylinder, the automatic battery cell liquid removing device and the automatic drying equipment is completed through the feeding device, the overall automation degree is higher, more manual participation is not needed, and the labor cost is effectively reduced.

Description

Technical Field

[0001] This invention relates to the field of capacitor processing technology, specifically to an automated electrolyte immersion processing line for battery cells. Background Technology

[0002] During the manufacturing process of capacitors, an immersion process is required to immerse the capacitor interior with electrolyte. After immersion, the residual electrolyte on the surface of the cell needs to be spun dry and then dried. In the existing manufacturing process, different processing steps require different processing equipment, and manual labor is needed to continuously load and unload materials between different processing equipment, resulting in low overall automation and high labor costs. Therefore, it is necessary to study a new technical solution to solve the above problems. Summary of the Invention

[0003] The purpose of this invention is to provide an automated electrolyte immersion processing line for battery cells to solve the problems mentioned in the background art.

[0004] By adopting the above technical solution, a fully automated production method for the overall immersion process of battery cells has been achieved, replacing the manual loading and unloading method and effectively reducing labor costs.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: An automated battery cell impregnation line includes an impregnation tank, an integrated valve, an automatic battery cell dehydration device, an automatic drying device, and a feeding device. The impregnation tank is used to complete the impregnation process of the battery cells. The integrated valve is located beside the impregnation tank, and its output end is connected to the inside of the impregnation tank. The integrated valve is used to supply impregnation solution to the inside of the impregnation tank. The automatic battery cell dehydration device is located beside the impregnation tank and is used to complete the surface dehydration process of the battery cells after impregnation. The automatic drying device is located beside the automatic battery cell dehydration device and is used to complete the drying process of the dehydrated battery cells. The output end of the feeding device moves back and forth between the impregnation tank, the automatic battery cell dehydration device, and the automatic drying device.

[0006] As a preferred embodiment, the immersion tank includes a tank body, a tank cover, a first drive assembly, and a clamping device; the tank body has an immersion chamber with an upper opening, and the tank cover is movably mounted on the tank body and seals the upper opening of the immersion chamber; the first drive assembly is mounted on the tank body and drives the tank cover to move back and forth; the clamping device is mounted in the immersion chamber and located at the bottom of the immersion chamber, and the clamping device is used to clamp the capacitor undergoing immersion processing.

[0007] As a preferred embodiment, there are multiple impregnation cylinders arranged in sequence, and the output end of the integrated valve is connected to the interior of each of the multiple impregnation cylinders.

[0008] As a preferred embodiment, the integrated valve includes a base, a sealing assembly, a pressurizing assembly, and a single valve assembly. The base has an inlet channel, a return channel, and a through cavity, each with openings at both ends. The base also has an inlet chamber, a return chamber, and a pressurizing chamber. The inner end of the inlet chamber communicates with the inlet channel, and the outer ends of both the inlet chamber and the pressurizing chamber penetrate the end face of the base. The inner end of the pressurizing chamber communicates with the inlet chamber. The inner end of the return chamber communicates with the return channel, and the outer end of the return chamber penetrates the end face of the base. The inlet chamber and the return chamber are connected by a through cavity. Multiple sealing assemblies are provided, each with... The pressure-pressurizing assembly is positioned at the inner opening of the corresponding inlet chamber, return chamber, and pressurizing chamber. The pressurizing assembly is mounted on the base, with the inlet channel unidirectionally connected to the pressurizing assembly and the pressurizing assembly unidirectionally connected to the outer end of the pressurizing chamber. The single-valve assembly includes three unit valves, each respectively positioned in the corresponding inlet chamber, return chamber, and pressurizing chamber. Each unit valve has a reciprocating valve core. The movement of each valve core is used to open and close the inner opening of the corresponding inlet chamber, return chamber, and pressurizing chamber, and to cooperate with the corresponding sealing assembly. The diameter of the valve core mates with the inner wall of the sealing assembly, and the inner end of the valve core directly seals with the corresponding sealing assembly.

[0009] As a preferred embodiment, the automatic cell dehydration device includes a dehydration tank, a top cover, a first drive assembly, a rotating frame, a rotating drive mechanism, a clamping assembly, and a lifting drive assembly. The dehydration tank has a cavity with an upper opening. The top cover is closable on the dehydration tank and covers the upper opening of the cavity. The first drive assembly is mounted on the dehydration tank and drives the top cover to open and close. The rotating frame is rotatable around its own axis and is mounted on the dehydration tank and located in the cavity. The rotating drive mechanism is mounted on the dehydration tank and drives the rotating frame to rotate back and forth. The clamping assembly is mounted on the rotating frame and rotates back and forth with the rotating frame. One end of the clamping assembly is hinged to the rotating frame, and the other end of the clamping assembly is vertically movable. The lifting drive assembly is mounted on the dehydration tank and drives the other end of the clamping assembly to move up and down.

[0010] As a preferred embodiment, one end of the top cover is located beside the opening at the upper end of the cavity and is hinged to the dehydration tank; the first driving assembly includes a cylinder, an output shaft, a rotating shaft, and a hinge; the cylinder is mounted on the dehydration tank, one end of the output shaft is connected to the output end of the cylinder and is driven by the cylinder to move back and forth, the rotating shaft is rotatably mounted on the dehydration tank and located beside the opening of the cavity, one end of the top cover is connected to the rotating shaft and is driven by the rotating shaft to flip; the two ends of the connector are hinged to the rotating shaft and the output shaft respectively, thereby the output shaft drives the rotating shaft to rotate.

[0011] As a preferred embodiment, the automatic battery cell drying equipment includes a drying rack, a movable rack, a first drive assembly, a material rack, a second drive assembly, a fan, and a heating device. The drying rack has a drying chamber inside, and a feeding port communicating with the drying chamber is opened on one side of the drying rack. A circulating air duct is provided outside the drying rack, with both ends of the circulating air duct communicating with the drying chamber. The movable rack is movably mounted up and down within the drying chamber, and the first drive assembly is mounted on the drying rack and drives the movable rack to move up and down. The material rack is mounted on the movable rack, extending outwards from the drying chamber through the feeding port, and moves up and down with the movable rack; multiple material racks are arranged vertically at intervals. The second drive assembly is mounted on the drying rack and drives the material rack to move back and forth. The fan is located in the circulating air duct and provides power for the circulation of air inside the drying chamber. The heating device is connected to the circulating air duct and is used to heat the air circulating in the circulating air duct.

[0012] As a preferred embodiment, the movable frame has a vertically extending fixed rod, and a plurality of first magnetic elements are arranged vertically at intervals on the side of the fixed rod facing the material rack. The material rack is made of a material that can be magnetically attracted by the magnetic elements, and each first magnetic element cooperates with the corresponding material rack position. The first driving assembly has a first driving mechanism, which is mounted on the drying rack and drives the fixed rod to move up and down back and forth.

[0013] As a preferred embodiment, the feeding device is located above the impregnation tank and the automatic cell dehydration device and beside the automatic drying equipment.

[0014] Compared with the prior art, the beneficial effects of the present invention are: by setting up an impregnation tank, an automatic dehydration device for battery cells, an automatic drying device, and a feeding device, and cooperating with the output end of the feeding device to move back and forth between the impregnation tank, the automatic dehydration device for battery cells, and the automatic drying device, the feeding device completes the automated loading and unloading process of battery cells between the impregnation tank, the automatic dehydration device for battery cells, and the automatic drying device. The overall degree of automation is higher, no more manual intervention is required, and labor costs are effectively reduced. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural schematic diagram of a preferred embodiment of the present invention; Figure 2 This is a three-dimensional structural diagram of the immersion tank in a preferred embodiment of the present invention; Figure 3 This is a partial assembly diagram of the immersion tank in a preferred embodiment of the present invention; Figure 4 This is a three-dimensional structural schematic diagram of the clamping device in the immersion tank in a preferred embodiment of the present invention; Figure 5 yes Figure 4 Enlarged view of point A in the middle; Figure 6 This is a partial assembly diagram of the immersion tank in a preferred embodiment of the present invention; Figure 7 This is a three-dimensional structural diagram of the integrated valve in a preferred embodiment of the present invention; Figure 8 This is a partial assembly diagram of the integrated valve in a preferred embodiment of the present invention; Figure 9 This is a cross-sectional schematic diagram of the integrated valve in a preferred embodiment of the present invention; Figure 10 yes Figure 9 Enlarged view of point A in the middle; Figure 11 This is a three-dimensional structural diagram of the automatic cell dehydration device in a preferred embodiment of the present invention; Figure 12 This is a three-dimensional structural schematic diagram of the automatic cell dehydration device in a preferred embodiment of the present invention; Figure 13 This is a three-dimensional structural diagram of the clamping assembly of the automatic cell dehydration device in a preferred embodiment of the present invention; Figure 14 This is a three-dimensional structural schematic diagram of the clamping assembly of the automatic dehydration device for battery cells in a preferred embodiment of the present invention from another angle. Figure 15 This is a three-dimensional structural diagram of the automatic drying equipment in a preferred embodiment of the present invention; Figure 16 This is a three-dimensional structural schematic diagram of the automatic drying equipment from another angle in a preferred embodiment of the present invention; Figure 17 This is a partial assembly schematic diagram of the automatic drying equipment in a preferred embodiment of the present invention; Figure 18 yes Figure 17 Enlarged diagram of point A in the middle.

[0016] In the diagram: a) Immersion tank; 10a) Cylinder body; 101a) Immersion chamber; 102a) Sliding chamber; 103a) Sliding groove; 104a) Guide groove; 11a) Sliding part; 12a) Clamping device; 121a) Movable rod; 122a) Clamping rod; 123a) Clamping drive mechanism; 124a) Guide rod; 20a) Cylinder cover; 21a) Pulley block; 211a) First pulley; 212a) Second pulley; 22a) Connecting part; 30a) First drive assembly; 31a) Motor; 32a) Transmission screw; 40a) Clamping device; 41a) Base; 46a) First fixed seat; 47a) Second fixed seat; 48a) Guide rod; 49a) Connecting rod; 50a) Tension spring; 51a) First movable seat; 52a) 53a. Third movable seat; 42a. First movable plate; 54a. First clamping rod; 55a. Second movable seat; 43a. Fourth movable seat; 44a. Second movable plate; 45a. Second clamping rod; 46a. Clamping drive mechanism; 47a. Integrated valve; 10b. Base; 101b. Liquid inlet channel; 102b. Liquid return channel; 103b. Liquid inlet chamber; 104b. Liquid return chamber; 105b. Pressurization chamber; 106b. Main channel; 11b. Pressure sensor; 12b. Liquid inlet pipe; 13b. Liquid return pipe; 20b. Sealing assembly; 21b. First seal; 22b. Sealing ring; 30b. Pressurization assembly; 40b. Single valve assembly; 41b. Unit valve; 411b. Valve core; 412b. Mounting part; 413b. Cylinder ; 414b, Second seal; 415b, Third seal; 416b, Sealing part; c, Automatic cell dehydration device; 10c, Dehydration tank; 101c, Cavity; 102c, Discharge hole; 20c, Top cover; 30c, First drive assembly; 31c, Cylinder; 32c, Output shaft; 33c, Rotating shaft; 34c, Hinge; 40c, Rotating frame; 41c, Connecting part; 50c, Rotation drive mechanism; 51c, Transmission belt; 60c, Clamping assembly; 601c, Clamping cavity; 602c, Through hole; 61c, Mounting frame; 62c, Fixed rod; 63c, Movable frame; 64c, Clamping rod; 65c, Clamping drive mechanism; 66c, Spring; 70c, Lifting drive assembly; 71c, Lifting drive mechanism; 72c, Lifting rod; 73c, Transmission component; 74c, Connecting component; d, Automatic drying equipment; 10d, Drying rack; 101d, Drying chamber; 102d, Feeding port; 11d, Circulating air duct; 12d, First slide rail; 13d, Door panel; 14d, Third drive mechanism; 15d, First temperature measuring head; 16d, Exhaust valve; 17d, Second temperature measuring head; 20d, Movable frame; 21d, Fixed rod; 22d, First magnetic component; 23d, Slide seat; 24d, Second slide rail; 30d, First drive assembly; 31d, First drive mechanism; 40d, Material rack; 401d, Through hole; 41d, Sliding part; 50d, Second drive assembly; 51d, Feeding head; 52d, Second magnetic component; 53d, Second drive motor;54d, transmission meshing chain; 60d, fan; 70d, heating device; 71d, third temperature measuring head; e, feeding device. Detailed Implementation

[0017] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0018] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0019] Please see Figure 1-18 The present invention provides a technical solution: an automated battery cell immersion processing line, comprising an immersion tank a, an integrated valve b, an automatic battery cell dehydration device c, an automatic drying device d, and a feeding device e.

[0020] The impregnation cylinder a is used to complete the immersion process of the battery cell. In this embodiment, there are multiple impregnation cylinders a arranged in sequence. The output end of the integrated valve b is connected to the interior of multiple impregnation cylinders a, so that multiple sets of battery cells can be impregnated at the same time. Since the impregnation time is longer than the time of subsequent processes, the setting of multiple impregnation cylinders a can ensure that the efficiency of the impregnation process can meet the processing efficiency of subsequent equipment and avoid the situation of material shortage in subsequent equipment.

[0021] The impregnation cylinder a includes a cylinder body 10a, a cylinder cover 20a, a first drive assembly 30a, and a clamping device 40a.

[0022] The cylinder body 10a has an immersion chamber 101a with an upper opening. In this embodiment, a sliding part 11a extends outward from one end of the upper opening of the cylinder body 10a. The sliding part 11a has a sliding cavity 102a communicating with the immersion chamber 101a. The inner sidewall of the sliding cavity 102a is recessed with a sliding groove 103a. The cylinder body 10a has a pressing device 12a. There are two pressing devices 12a arranged symmetrically front and back, which respectively cooperate with the front and rear sidewalls of the cylinder cover 20a. The pressing device 12a includes a movable rod 121a, a pressing rod 122a, and a pressing drive mechanism 123a. The movable rod 121a is movably disposed on the cylinder body 10a along the extension direction of the sliding groove 103a and is located above the sliding groove 103a. The movable rod 121a is provided with a guide groove 104a extending obliquely. The pressing rod 122a can move up and down back and forth. The clamping rod 122a is mounted on the cylinder body 10a and located above the sliding groove 103a. It is equipped with a guide rod 124a that cooperates with and extends into the guide groove 104a. The clamping rod 122a moves back and forth under the drive of the movable rod 121a and presses the cylinder cover 20a downward. The clamping drive mechanism 123a is mounted on the cylinder body 10a and drives the movable rod 121a to move back and forth. Furthermore, the upper end face of the immersion chamber 101a can be sealed by setting an elastic sealing layer, which, together with the downward pressing of the clamping device 12a, achieves the sealing process.

[0023] The cylinder cover 20a is movably mounted on the cylinder body 10a and seals the upper opening of the immersion chamber 101a. In this embodiment, the side wall of the cylinder cover 20a cooperates with the sliding groove 103a and moves back and forth along the sliding groove 103a to seal the upper opening of the immersion chamber 101a, thereby sealing the upper opening of the immersion chamber 101a. Through cooperation with the sliding groove 103a, the stability of the sliding process of the cylinder cover 20a is ensured. Both sides of the cylinder head 20a that mate with the sliding groove 103a are provided with pulley sets 21a that mate with the sliding groove 103a. There are two pulley sets 21a, which are respectively arranged at both ends of the side wall of the cylinder head 20a along the extension direction of the sliding groove 103a. Each pulley set 21a includes a first pulley 211a and a first pulley 212a. The first pulley 211a extends downward from the lower end face of the cylinder head 20a and mates with the bottom surface of the sliding groove 103a. The second pulley 212a extends outward from the side wall of the cylinder head 20a and mates with the side wall of the sliding groove 103a. During the sliding process of the cylinder head 20a, the rolling of the first pulley 211a and the second pulley 212a makes the movement of the cylinder head more stable.

[0024] The first drive assembly 30a is mounted on the cylinder body 10a and drives the cylinder head 20a to move back and forth. In this embodiment, the first drive assembly 30a includes a motor 31a, a transmission screw 32a, and a screw nut (not shown in the figure). The motor 31a is mounted on the cylinder body 10a, and the transmission screw 32a extends along the direction of movement of the cylinder head 20a. One end of the transmission screw 32a is connected to the output end of the motor 31a and is driven to rotate back and forth by the motor 31a. The screw nut (not shown in the figure) is sleeved on the transmission screw 32a. The cylinder head 20a is provided with a connecting part 22a that cooperates with the transmission screw 32a. Thus, the rotation of the transmission screw 32a drives the cylinder head 20a to move back and forth. Compared with the existing cylinder drive method, the movement of the cylinder head 20a is more stable due to the motor drive method.

[0025] The clamping device 40a is disposed in the immersion chamber 101a and located at the bottom of the immersion chamber 101a. The clamping device 40a is used to clamp the capacitor undergoing immersion processing, thereby preventing the capacitor from shifting or tipping over during the immersion process and ensuring the stability of the immersion process. Moreover, after immersion is completed, the unloading device can also smoothly remove the immersed cell, thus ensuring the overall stability of the immersion process. The clamping device can accommodate the immersion processing of cells of different specifications and sizes without the need for additional fixtures, thereby improving the compatibility of the equipment.

[0026] In this embodiment, the clamping device 40a includes a base 41a, a first clamping rod 42a, a second movable plate 43a, a second clamping rod 44a, and a clamping drive mechanism 45a. The base 41a has a bottom cavity 40a1 with an open top. The first clamping rod 42a is fixed at both ends to the side wall of the bottom cavity 40a1 and suspended in the bottom cavity 40a1. Compared with the arrangement of the first clamping rod 42a at the bottom and top of the bottom cavity 40a1, this arrangement makes the clamping of the capacitor more stable. The second movable plate 43a can... The second clamping rod 44a is movably positioned on the outer side of the base 41a and is mounted on the second movable plate 43a, moving back and forth with the second movable plate 43a. The second clamping rod 44a is parallel to the first clamping rod 42a and passes inward through the bottom cavity 40a1. The second clamping rod 44a moves back and forth towards the first clamping rod 42a with the second movable plate 43a, thereby achieving the clamping process of the capacitor. The clamping drive mechanism 45a is mounted on the cylinder 10a and drives the second movable plate 43a to move back and forth. Furthermore, the first clamping rod 42a is arranged in two layers with vertical spacing, and the second clamping rod 44a is located between the two layers of the first clamping rod 42a. Compared with a single layer of first clamping rod 42a, this arrangement avoids the situation where the second clamping rod 44a and the first clamping rod 42a are misaligned during the clamping process, which could cause the capacitor to flip. The first clamping rods 42a are arranged in multiple horizontally spaced positions. Correspondingly, there are also multiple second clamping rods 44a. Each first clamping rod 42a is associated with a second clamping rod 44a, allowing multiple batches of capacitors to be clamped at once, effectively improving processing efficiency. The bottom of the bottom cavity 40a1 has multiple liquid outlet holes 40a2 arranged in an array. These multiple outlet holes 40a2 facilitate the feeding and discharging of electrolyte from the bottom of the bottom cavity 40a1. The side wall of the bottom cavity 40a1 is provided with a relief groove 40a3, which is located next to the first clamping rod 42a. The second clamping rod 44a extends into the bottom cavity 40a1 through the relief groove 40a3. Furthermore, the relief groove 40a3 cooperates with the second clamping rod 44a, and the extension direction of the relief groove 40a3 is the same as the movement direction of the second clamping rod 44a. This allows the second clamping rod 44a to be limited in the vertical direction by the relief groove 40a3 when it moves, thereby preventing the second clamping rod 44a from shifting vertically during movement.

[0027] Furthermore, in other embodiments, the clamping device 40a further includes a first fixed seat 46a, a second fixed seat 47a, a guide rod 48a, a connecting rod 49a, a tension spring 50a, a first movable seat 51a, a third movable seat 52a, a first movable plate 53a, a second movable seat 54a, and a fourth movable seat 55a; the bottom of the base 41a is disposed at the bottom of the immersion chamber 101a via the first fixed seat 46a and the second fixed seat 47a, and the first fixed seat 46a and the second fixed seat 47a are provided with guide rods 48a symmetrically arranged on the left and right sides along the extending direction of the base 41a, and the first movable seat 50a... 1a. The second movable seat 54a, the third movable seat 52a, and the fourth movable seat 55a are movably mounted on the guide rods 48a arranged symmetrically on the left and right. Two connecting rods 49a are symmetrically arranged and fixed to the center of the groove of the first fixed seat 46a. The two ends of the two connecting rods 49a are respectively hinged to the first movable seat 51a and the second movable seat 54a and move back and forth accordingly. The first movable plate 53a is symmetrically arranged on the inner layer of both sides of the base 41a and is connected to the two ends of the first movable seat 51a and the third movable seat 52a and moves accordingly. The second movable plate 43a is symmetrically arranged on the outer layer of both sides of the base 41a and is connected to the second movable seat 51a and the third movable seat 52a and moves accordingly. The movable seats 54a and 55a are connected at both ends and move accordingly. Two layers of first clamping rods 42a are arranged vertically and horizontally on the first movable plate 53a. The second clamping rod 44a is located between the two layers of first clamping rods on the second movable plate 43a. A tension spring 50a is centrally connected to the second movable seat 54a and the third movable seat 52a. The tension of the tension spring 50a causes the second movable seat 54a and the third movable seat 52a to move closer together, causing the first movable plate 53a and the second movable plate 53a to move in opposite directions and move closer together, thereby allowing the first clamping rods 42a and the second clamping rods to move in opposite directions and move closer together. The clamping rod 44a closes and clamps; the clamping drive mechanism 45a is located on the outside of the cylinder and extends through into the immersion chamber 101a, aligned with the center of the side of the fourth movable seat 55a. The clamping drive mechanism 45a drives the fourth movable seat 55a, causing the second movable seat 54a, which is also connected to the second movable plate 43a, to move together. The second movable seat 54a drives the first movable plate 53a on the first movable seat 51a and the third movable seat 52a to move through the connecting rod 49a, causing the first movable plate 53a and the second movable plate 43a to move outward in opposite directions, thereby allowing the first clamping rod 42a and the second clamping rod 44a to open.

[0028] The integrated valve b is located on the side of the impregnation tank a, and the output end of the integrated valve b is connected to the inside of the impregnation tank a. The integrated valve b is used to provide impregnation liquid to the inside of the impregnation tank a.

[0029] The integrated valve b includes a base 10b, a sealing assembly 20b, a pressurizing assembly 30b, and a single valve assembly 40b.

[0030] The base 10b is provided with an inlet channel 101b and a return channel 102b, each with openings at both ends. In this embodiment, the inlet channel 101b and the return channel 102b are arranged parallel to each other. The base 10b is also provided with an inlet chamber 103b, a return chamber 104b, and a pressurizing chamber 105b. The inner end of the inlet chamber 103b is connected to the inlet channel 101b, and the outer ends of both the inlet chamber 103b and the return chamber 104b penetrate the end face of the base 10b. The inner end of the pressurizing chamber 105b is connected to the inlet chamber 103b. The inner end of the return chamber 104b is connected to the return channel 102b, and the outer end of the return chamber 104b penetrates the end face of the base 10b. The inlet chamber 103b and the return chamber 104b are connected by a passage 106b. In this embodiment, a pressure sensor 11b is provided on the base 10b. The inner end of the pressure sensor 11b is located in the base 10b and communicates with the pressurization chamber 105b. The pressure sensor 11b is used to sense the pressure inside the pressurization chamber 105b in real time during internal pressurization, facilitating real-time adjustment of the working state of the pressurization component 30b. The liquid inlet chamber 103b, liquid return chamber 104b, and pressurization chamber 105b are arranged in one or more groups horizontally, and the liquid inlet chamber 103b, liquid return chamber 104b, and pressurization chamber 105b of adjacent groups are interconnected. One end of the liquid inlet channel 101b is provided with a liquid inlet pipe 12b communicating with the liquid inlet channel 101b, and one end of the liquid return channel 102b is provided with a liquid return pipe 13b communicating with the liquid return channel 102b. The liquid return pipe 13b and the liquid inlet pipe 12b are located on the same side of the base 10b. This facilitates the connection between the liquid inlet channel 101b and the liquid return channel 102b and the external pipeline. One end of the through cavity 106b is provided with a main pipe that is connected in parallel with the liquid inlet cavity 103b, the liquid return cavity 104b and the pressurization cavity 105b. The main pipe is arranged horizontally in one or more sets, corresponding to the liquid inlet cavity 103b, the liquid return cavity 104b and the pressurization cavity 105b.

[0031] Multiple sealing components 20b are respectively disposed at the inner end openings of the corresponding liquid inlet chamber 103b, liquid return chamber 104b, and pressurization chamber 105b. In this embodiment, the sealing component 20b includes a first sealing element 21b and a sealing ring 22b. The first sealing element 21b is disposed at the inner end opening of the corresponding liquid inlet chamber 103b, liquid return chamber 104b, and pressurization chamber 105b. The sealing ring 22b is disposed on the outer side wall of the first sealing element 21b and sandwiched between the first sealing element 21b and the inner side walls of the corresponding liquid inlet chamber 103b, liquid return chamber 104b, and pressurization chamber 105b. The first sealing element 21b is a rigid first sealing element, and the sealing ring 22b is made of silicone. Furthermore, the first sealing element 21b can be made of PEEK material, which has a longer service life compared to the existing EPDM soft sealing material.

[0032] The pressurizing component 30b is mounted on the base 10b. The input end of the pressurizing component 30b is unidirectionally connected to the liquid inlet channel 101b. The output end of the pressurizing component 30b is unidirectionally connected to the pressurizing chamber 105b. The pressurizing component 30b is used to draw liquid from the liquid inlet channel 101b and then pump the liquid into the pressurizing chamber 105b for pressurization.

[0033] The single valve assembly 40b includes three unit valves 41b, which are respectively disposed in the corresponding inlet chamber 103b, return chamber 104b, and pressurization chamber 105b. Each unit valve 41b has a valve core 411b that can move back and forth. The movement of each valve core 411b is used to open and close the inner end opening of the corresponding inlet chamber 103b, return chamber 104b, and pressurization chamber 105b and cooperate with the corresponding sealing assembly 20b. The diameter of the valve core 411b is matched with the inner sidewall of the sealing assembly 20b, and the inner end of the valve core 411b directly cooperates with the corresponding sealing assembly 20b for sealing. This allows the inner end of the valve core 411b to be directly sealed with the sealing assembly 20b through the diameter of the valve core 411b. Under high pressure, the valve core 411b can also be smoothly pulled out from the sealing assembly 20b to open the inner end opening of the corresponding inlet chamber 103b, return chamber 104b, and pressurization chamber 105b. In this embodiment, the valve group 40b is also configured in multiple groups. Each unit valve 41b in the valve group 40b is disposed in the corresponding inlet chamber 103b, return chamber 104b, and pressurization chamber 105b. In this embodiment, the valve group 40b is arranged in four horizontally spaced groups to control four impregnation devices. Correspondingly, in other embodiments, the number of valve groups 40b can be set according to the actual usage scenario, without limitation. The unit valve 41b also includes a mounting part 412b and a cylinder 413b. The mounting part 412b is disposed on the base 10b and extends inward into the corresponding inlet chamber 103b, return chamber 104b, and pressurization chamber 105b. The cylinder 413b is disposed on the mounting part 412b and drives the corresponding valve core 411b to move back and forth. The portion of the mounting part 412b extending into the corresponding liquid inlet chamber 103b, liquid return chamber 104b, and pressurization chamber 105b is sandwiched between the inner wall of the corresponding chamber and an O-shaped third seal 415b. The portion of the valve core 411b extending into the mounting part 412b is sandwiched between the inner wall of the corresponding mounting part and a second seal assembly 414b, which includes a Y-shaped silicone ring, a POM guide ring, and a Teflon plug seal. The second seal 414b is arranged sequentially along the movement direction of the valve core 411b. The sealing process between the outer openings of the liquid inlet chamber 103b, liquid return chamber 104b, and pressurization chamber 105b and the corresponding unit valve 41b is achieved through the arrangement of the second seal 414b and the third seal 415b. The inner end of the valve core 411b is integrally formed with a sealing part 416b. The ratio of the diameter of the sealing part 416b to the diameter of the valve core 411b is between 1.05 and 1.15, so that the valve core can move back and forth smoothly even under high pressure. The sealing part 416b further increases the size of the sealing part between the valve core 411b and the sealing assembly 20b, ensuring the sealing effect. The smaller the ratio of the diameter of the sealing part 416b to the diameter of the valve core 411b, the easier it is for the valve core 411b to open.

[0034] By using the valve core's diameter to mate with the inner wall of the sealing assembly, and the valve core's inner end directly engaging with the corresponding sealing assembly for sealing, the overall diameter of the valve core is increased. This allows for direct sealing between the valve core's inner end and the sealing assembly, enabling the valve core to be easily pulled out of the sealing assembly even under high pressure. This eliminates the need for an additional pressure relief valve, resulting in a simpler overall valve assembly structure, lower cost, and the elimination of the opening and closing process required by existing pressure relief valves during operation. Consequently, the overall operating efficiency is also higher.

[0035] The automatic dehydration device c for battery cells is located next to the immersion tank a. The automatic dehydration device c for battery cells is used to complete the surface dehydration process of the battery cells after immersion.

[0036] The automatic dehydration device c for battery cells includes a dehydration tank 10c, a top cover 20c, a first drive assembly 30c, a rotating frame 40c, a rotating drive mechanism 50c, a clamping assembly 60c, and a lifting drive assembly 70c.

[0037] The desliming tank 10c has a cavity 101c with an opening at the top. In this embodiment, the bottom of the cavity 101c is provided with a liquid outlet hole 102c that communicates with the outside. The liquid outlet hole 102c is used to discharge the electrolyte thrown out from inside the cavity 101c. The thrown-out electrolyte can be recycled or directly discharged.

[0038] The upper cover 20c is closable and mounted on the dehydration tank 10c, covering the upper opening of the cavity 101c. In this embodiment, one end of the upper cover 20c is located beside the upper opening of the cavity 101c and is hinged to the dehydration tank 10c. The upper cover 20c is mounted on the dehydration tank 10c by flipping it open.

[0039] The first driving component 30c is mounted on the dehydration tank 10c and drives the upper cover 20c to open and close. In this embodiment, the first driving component 30c includes a cylinder 31c, an output shaft 32c, a rotating shaft 33c, and a hinge 34c. The cylinder 31c is mounted on the dehydration tank 10c. One end of the output shaft 32c is connected to the output end of the cylinder 31c and is driven by the cylinder 31c to move back and forth. The rotating shaft 33c is rotatably mounted on the dehydration tank 10c and is located beside the opening of the cavity 101c. One end of the upper cover 20c is connected to the rotating shaft 33c and is driven by the rotating shaft 33c to flip. The two ends of the connector 34c are hinged to the rotating shaft 33c and the output shaft 32c respectively, so that the output shaft 32c drives the rotating shaft 33c to rotate.

[0040] The rotating frame 40c is rotatably mounted on the dehydration tank 10c and located in the cavity 101c. In this embodiment, the axis of the rotating frame 40c is provided with a connecting part 41c that extends downward from the lower end of the dehydration tank 10c. The axis of the connecting part 41c is coaxial with the rotation axis of the rotating frame 40c.

[0041] The rotary drive mechanism 50c is mounted on the dehydration tank 10c and drives the rotating frame 40c to rotate back and forth. In this embodiment, the output end of the rotary drive mechanism 50c drives the connecting part 41c and the rotating frame 40c to rotate through a transmission belt 51c.

[0042] The clamping assembly 60c is mounted on the rotating frame 40c and rotates back and forth with it. One end of the clamping assembly 60c is hinged to the rotating frame 40c, and the other end is vertically adjustable. This allows the clamping assembly 60c and the battery cells on it to be tilted during spin-drying, enabling the electrolyte to be ejected along the sidewalls of the battery cells, resulting in better spin-drying efficiency. Two clamping assemblies 60c are configured, arranged horizontally in sequence, with their outer ends hinged to the rotating frame 40c. This allows for simultaneous spin-drying of the battery cells on both clamping assemblies 60c, effectively improving the efficiency of the spin-drying process.

[0043] The clamping assembly 60c includes a mounting frame 61c, a fixing rod 62c, a movable frame 63c, a clamping rod 64c, and a clamping drive mechanism 65c. The mounting frame 61c has a clamping cavity 601c with an open top. The side wall of the clamping cavity 601c has multiple through holes 602c arranged in an array. The through holes 602c are used for the ejected electrolyte to pass through and reach the bottom of the cavity 101c. The fixing rod 62c is fixed at both ends to the clamping cavity 601c. The side wall of 01c is suspended in the clamping cavity 601c. The movable frame 63c is movably mounted on the mounting frame 61c. The clamping rod 64c is mounted on the movable frame 63c and moves back and forth with the movable frame 63c. The clamping rod 64c extends inward into the clamping cavity 601c and moves back and forth toward the fixed rod 62c with the movable frame 63c. The clamping drive mechanism 65c is mounted on the dehydration tank 10c and drives the movable frame 63c to move back and forth. A spring 66c is sandwiched between the movable frame 63c and the mounting frame 61c. The two ends of the spring 66c are connected to the movable frame 63c and the mounting frame 61c respectively, causing the movable frame 63c to move and drive the clamping rod 64c to move toward the fixed rod 62c for clamping. There are two springs 66c arranged at intervals to ensure sufficient clamping force. The output end of the clamping drive mechanism 65c extends inward into the cavity 101c and causes the movable frame 63c to move in another direction, thereby compressing the spring 66c and causing the clamping rod 64c to move away from the fixed rod 62c. Therefore, when clamping the battery cell, the output end of the clamping drive mechanism 65c first extends inward into the cavity 101c, driving the movable frame 63c to move inward. At this time, the clamping rod 64c moves away from the fixed rod 62c along with the movable frame 63c, and the spring 66c is compressed. When the battery cell is placed between the fixed rod 62c and the clamping rod 64c, the output end of the clamping drive mechanism 65c retracts. At this time, the movable frame 63c resets under the action of the spring and drives the clamping rod 64c to move towards the fixed rod 62c, thereby clamping the battery cell. The fixed rods 62c are arranged in multiple groups at horizontal intervals, and each group of fixed rods 62c consists of three rods arranged vertically at intervals. Correspondingly, the clamping rods 64c are also arranged in multiple groups, each group including three clamping rods 64c arranged vertically at intervals.

[0044] The lifting drive assembly 70c is mounted on the dehydration tank 10c and drives the other end of the clamping assembly 60c to move up and down. In this embodiment, the lifting drive assembly 70c includes a lifting drive mechanism 71c and a lifting rod 72c. The lifting rod 72c is coaxially arranged with the connecting part 41c and passes through the connecting part 41c upwards to be hinged to the other end of the clamping assembly 60c. The lifting drive mechanism 71c drives the lifting rod 72c to move up and down, thereby driving the clamping assembly 60c to swing up and down. The output end of the lifting drive mechanism 71c is connected to a rotating component 73c and drives the rotating component 73c to rotate. The rotating component 73c is connected to the lower end of the lifting rod 72c by a screw engagement and drives the lifting rod 72c to move up and down. Furthermore, the lifting drive mechanism 71c can also drive the lifting rod 72c to move up and down through other transmission methods. The upper end of the lifting rod 72c is simultaneously hinged to the inner ends of the two clamping assemblies 60c via a connector 74c, thereby simultaneously driving the two clamping assemblies 60c to swing up and down.

[0045] The automatic drying device d is located next to the automatic dehydration device c for battery cells, and the automatic drying device d is used to complete the drying process of the battery cells after dehydration.

[0046] The automatic drying equipment d includes a drying rack 10d, a movable rack 20d, a first drive assembly 30d, a material rack 40d, a second drive assembly 50d, a fan 60d, and a heating device 70d.

[0047] The drying rack 10d has a drying chamber 101d inside, and a loading port 102d communicating with the drying chamber 101d is opened on one side of the drying rack 10d. A circulating air duct 11d is provided outside the drying rack 10d, and the two ends of the circulating air duct 11d are respectively connected to the drying chamber 101d, thereby realizing the circulation of air inside the drying chamber 101d. In this embodiment, the drying chamber 101d is provided with vertically extending first slide rails 12d on the left and right sides. A door panel 13d that moves up and down is provided outside the loading port 102d. The door panel 13d moves up and down around the loading port 102d by a third drive mechanism 14d and opens or seals the opening of the loading port 102d, ensuring the airtightness of the drying chamber 101d when no loading or unloading is being performed. In actual processing, the front end of the drying chamber 101d is sealed by a cover plate. A first temperature measuring head 15d is installed on the upper part of the drying rack 10d. The inner end of the first temperature measuring head 15d extends inward into the drying chamber 101d. The first temperature measuring head 15d continuously monitors the temperature inside the drying chamber 101d and, in conjunction with the heating device 70d, adjusts the temperature inside the drying chamber 101d. An exhaust valve 16d is installed on the upper part of the drying rack 10d. The inner end of the exhaust valve 16d extends inward into the drying chamber 101d and communicates with it. A second temperature measuring head 17d is installed on the circulating air duct 11d for measuring the temperature inside the circulating air duct 11d.

[0048] The movable frame 20d is movably mounted in the drying chamber 101d. In this embodiment, the movable frame 20d has a vertically extending fixed rod 21d. Multiple first magnetic elements 22d are arranged vertically at intervals on the side of the fixed rod 21d facing the material rack 30d. The material rack 40d is made of a material that can be magnetically attracted by the magnetic elements. Each first magnetic element 22d mates with a corresponding material rack 40d. The material rack 40d is positioned vertically with the movable frame 20d through magnetic attraction with the first magnetic elements 22d. The movable frame 20d is provided with a slide block 23d that mates with the first slide rail 12d. Second slide rails 24d extending forward and backward are provided on the left and right sides of the movable frame 20d.

[0049] The first drive assembly 30d is mounted on the drying rack 10d and drives the movable rack 20d to move up and down. In this embodiment, the first drive assembly 30d has a first drive mechanism 31d, which is mounted on the drying rack 10d and drives the fixed rod 21d to move up and down. Further, the first drive assembly 30d also includes a transmission screw 32 and a screw nut 33; the first drive motor 31d is mounted on the drying rack 10d and drives the fixed rod 21d to move up and down via the transmission screw 32 and screw nut 33.

[0050] The material rack 40d is mounted on the movable frame 20d and is movable outward from the loading port 102d to form a drying chamber 101d. It moves up and down with the movable frame 20d. Multiple material racks 40d are arranged at intervals. In this embodiment, sliding parts 41d are provided on both sides of the material rack 40d to cooperate with the second slide rail 24d. The cooperation between the sliding parts 41d and the second slide rail 24d makes the movement of the material rack 40d on the movable frame 20d more stable, preventing the battery cells from tipping over during movement. Multiple through holes 401d arranged in an array are penetrating the bottom of the material rack 40d to facilitate the removal of residual moisture from the battery cells by hot air.

[0051] The second drive assembly 50d is mounted on the drying rack 10d and drives the material rack 40d to move back and forth. In this embodiment, the second drive assembly 50d includes a feeding head 51d, a second magnetic element 52d, a second drive motor 53d, and a transmission engagement chain 54d. The feeding head 51d is mounted on the drying rack 10d and can move back and forth towards the material rack 40d, driving the material rack 40d to move back and forth. The second magnetic element 52d is mounted on the feeding head 51d and is located outside the first magnetic element 22d relative to the material rack 40d. The second drive motor 53d is mounted on the drying rack 10d. The transmission engagement chain 54d connects the output end of the second drive motor 53d and the feeding head 51d and drives the feeding head 51d to move back and forth. When the second drive assembly 50d drives the material rack 40d to move outward, the material rack 40d and the first magnetic element 22d on the fixed rod 21d are engaged. The first magnetic component 52d is magnetically fixed and located outside the first magnetic component 22d. Then, the second drive motor 53d drives the feeding head 51d and the second magnetic component 52d towards the material rack 40d until the second magnetic component 52d contacts and magnetically attracts the material rack 40d. The movement continues, and then the second magnetic component 52d pushes the material rack 40d away from the first magnetic component 22d and moves out of the drying chamber 101d. This completes the process of first unloading the dried battery cells from the current material rack 40d, and then loading the undried battery cells. Afterwards, the second magnetic component 52d, through magnetic attraction with the material rack 40d, drives the material rack to reset. During the reset process, the material rack 40d contacts the first magnetic component 22d, and then the second magnetic component 52d continues to move backward until it detaches from the material rack 40d. The up-and-down movement of the movable frame 20d completes the loading and unloading process of battery cells on other material racks 40d. Both the first magnetic component 22d and the second magnetic component 52d are high-temperature magnets.

[0052] The fan 60d is installed in the circulating air duct 11d and provides power for the circulation of air inside the drying chamber 101d. The heating device 70d is connected to the circulating air duct 11d and is used to heat the air flowing in the circulating air duct 11d, dry the humid air in the circulating air duct 11d, and send the dry, high-temperature air into the drying chamber 101d to realize the drying process of the battery cells. The heating device 70d is equipped with a third temperature measuring head 71d for measuring the internal temperature of the heating device 70d, which, together with the second temperature measuring head 17d, monitors the temperature at various points inside the circulating air duct 11d and adjusts the temperature through the heating device 70d.

[0053] The output end of the feeding device e moves back and forth between the impregnation tank a, the automatic cell dehydration device c, and the automatic drying equipment d. In this embodiment, the feeding device e is located above the impregnation tank a and the automatic cell dehydration device c, and beside the automatic drying equipment d. The feeding device e is a commonly used structure in existing automated equipment and belongs to prior art; therefore, its specific structure will not be described in detail here.

Claims

1. An automated cell dip processing line, characterized by: The application relates to a capacitor impregnation device which comprises an impregnation cylinder, an integrated valve, an automatic liquid-removing device for an electric core, an automatic drying device and a feeding device; the impregnation cylinder is used for completing the liquid-impregnation process of the electric core; the impregnation cylinder comprises a cylinder body, a cylinder cover, a first driving assembly and a clamping device; the cylinder body is provided with an upper-end-opened impregnation cavity; the cylinder cover is movably arranged on the cylinder body and seals the upper-end opening of the impregnation cavity; the first driving assembly is arranged on the cylinder body and drives the cylinder cover to move back and forth; the clamping device is arranged in the impregnation cavity and located at the bottom of the impregnation cavity; the clamping device is used for clamping the capacitor for the liquid-impregnation process; the integrated valve is arranged beside the impregnation cylinder; the output end of the integrated valve is communicated with the inside of the impregnation cylinder; the integrated valve is used for providing the impregnation cylinder with impregnation liquid; the automatic liquid-removing device for the electric core is arranged beside the impregnation cylinder; the automatic liquid-removing device is used for completing the surface liquid-removing process of the electric core after the liquid-impregnation process; the automatic liquid-removing device for the electric core comprises a liquid-removing barrel, an upper cover, a first driving assembly, a rotating frame, a rotating driving mechanism, a clamping assembly and a lifting driving assembly; the liquid-removing barrel is provided with an upper-end-opened cavity; the upper cover is arranged on the liquid-removing barrel and covers the upper-end opening of the cavity; the first driving assembly is arranged on the liquid-removing barrel and drives the upper cover to open and close; the rotating frame is movably arranged on the liquid-removing barrel and located in the cavity; the rotating driving mechanism is arranged on the liquid-removing barrel and drives the rotating frame to move back and forth; the clamping assembly is arranged on the rotating frame and rotates back and forth with the rotating frame; one end of the clamping assembly is hinged to the rotating frame; the other end of the clamping assembly is movably arranged; the lifting driving assembly is arranged on the liquid-removing barrel and drives the other end of the clamping assembly to move up and down; the automatic drying device is arranged beside the automatic liquid-removing device for the electric core; the automatic drying device is used for completing the drying process of the electric core after the liquid-removing process; the output end of the feeding device moves back and forth among the impregnation cylinder, the automatic liquid-removing device for the electric core and the automatic drying device.

2. The automated cell dip process line of claim 1, wherein: The impregnation cylinders are sequentially arranged; the output ends of the integrated valves are respectively communicated with the insides of the impregnation cylinders.

3. The automated cell dip process line of claim 1, wherein: The integrated valve includes a base, a sealing assembly, a pressurizing assembly, and a single valve assembly. The base has an inlet channel, a return channel, and a through cavity, each open at both ends. The base also has an inlet chamber, a return chamber, and a pressurizing chamber. The inner end of the inlet chamber communicates with the inlet channel, and the outer ends of both the inlet chamber and the pressurizing chamber penetrate the end face of the base. The inner end of the pressurizing chamber communicates with the inlet chamber. The inner end of the return chamber communicates with the return channel, and the outer end of the return chamber penetrates the end face of the base. The inlet chamber and the return chamber are connected by a through cavity. Multiple sealing assemblies are provided, each located in a corresponding... The inner openings of the inlet chamber, return chamber, and pressurization chamber are provided. The pressurization assembly is mounted on the base. The inlet channel is unidirectionally connected to the pressurization assembly, and the pressurization assembly is unidirectionally connected to the outer end of the pressurization chamber. The single valve assembly includes three unit valves, which are respectively disposed in the corresponding inlet chamber, return chamber, and pressurization chamber. Each unit valve has a valve core that can move back and forth. The movement of each valve core is used to open and close the inner opening of the corresponding inlet chamber, return chamber, and pressurization chamber and cooperate with the corresponding sealing assembly. The diameter of the valve core is matched with the inner sidewall of the sealing assembly, and the inner end of the valve core directly cooperates with the corresponding sealing assembly for sealing.

4. The automated cell dip process line of claim 1, wherein: One end of the top cover is located beside the opening at the top of the cavity and is hinged to the dehydration tank; the first drive assembly includes a cylinder, an output shaft, a rotating shaft, and a hinge; the cylinder is mounted on the dehydration tank, one end of the output shaft is connected to the output end of the cylinder and is driven by the cylinder to move back and forth, the rotating shaft is rotatably mounted on the dehydration tank and located beside the opening of the cavity, one end of the top cover is connected to the rotating shaft and is driven by the rotating shaft to flip; the two ends of the connector are respectively hinged to the rotating shaft and the output shaft, and the output shaft drives the rotating shaft to rotate.

5. The automated cell dip process line of claim 1, wherein: The automatic battery cell drying equipment includes a drying rack, a movable rack, a first drive assembly, a material rack, a second drive assembly, a fan, and a heating device. The drying rack has a drying chamber inside, and a feeding port communicating with the drying chamber is opened on one side of the drying rack. A circulating air duct is provided outside the drying rack, with both ends of the circulating air duct communicating with the drying chamber. The movable rack is movably arranged up and down in the drying chamber, and the first drive assembly is mounted on the drying rack and drives the movable rack to move up and down. The material rack is movably arranged out of the drying chamber through the feeding port on the movable rack and moves up and down with the movable rack; multiple material racks are arranged vertically at intervals. The second drive assembly is mounted on the drying rack and drives the material rack to move back and forth. The fan is located in the circulating air duct and provides power for the circulation of air inside the drying chamber. The heating device is connected to the circulating air duct and is used to heat the air flowing in the circulating air duct.

6. The automated cell dip process line of claim 5, wherein: The movable frame has a vertically extending fixed rod. On the side of the fixed rod facing the material rack, there are multiple first magnetic elements arranged vertically at intervals. The material rack is made of a material that can be magnetically attracted by the magnetic elements. Each first magnetic element cooperates with the corresponding material rack position. The first driving assembly has a first driving mechanism, which is mounted on the drying rack and drives the fixed rod to move up and down back and forth.

7. The automated cell dip process line of claim 1, wherein: The feeding device is located above the impregnation tank and the automatic dehydration device for battery cells, and is located beside the automatic drying equipment.

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