Hydrothermal formation all-in-one machine

Abstract

The hydrothermal formation all-in-one machine comprises a cuboid hangar, wherein a positive needle plate assembly, a suction nozzle rod assembly and a lifting cylinder are arranged on a top plate of the hangar; a mechanism bottom frame is arranged at the bottom of the hangar and is provided with a negative needle plate assembly; the lifting cylinder is connected with the mechanism bottom frame; a top plate of the hangar is connected with a mechanism bottom frame through guide columns, and a mechanism middle frame and a mechanism middle frame battery tray are arranged on the guide columns in a penetrating mode. Vertical side air ducts are arranged on the left side and the right side of the hangar correspondingly. Each side air duct is provided with an upper draught fan assembly, a hydrothermal plate assembly, a bottom draught fan assembly and an energy storage explosion venting exhaust fan from top to bottom. The internal temperature of the hangar for high-speed air internal circulation formation test is constant at 45 + / -2 DEG C, so that the high activity of lithium ions is ensured, the loss of electric energy is effectively reduced, the battery production efficiency is improved, and energy conservation and emission reduction are realized; and the drawable fan is convenient for workers to maintain.

Description

Technical Field

[0001] The invention relates to a hydrothermal formation integrated machine, and belongs to the manufacturing field of square lithium battery formation test equipment. Background Art

[0002] In the production process of lithium batteries, formation test equipment is needed to charge and activate the battery cells after liquid injection and packaging. In the formation test process, the lithium battery needs to be continuously charged and discharged, and the temperature needs to be maintained at 45°C to optimize the activity of lithium ions. With the rapid development of the lithium battery industry, its scale and volume are showing an exponential growth trend, and the blade power lithium-ion battery production line is increasing day by day. Traditional formation test equipment cannot stably maintain the temperature during charging and activation, and cannot meet the process requirements of battery manufacturers for the blade power lithium-ion battery production line, and the production efficiency and energy utilization rate are insufficient. Summary of the invention

[0003] In view of the above problems, the present invention proposes a hydrothermal formation integrated machine, whose design concept is to set side air ducts and hydrothermal plate assemblies in the formation test hangar, so that the air in the formation test hangar can circulate at a high speed, thereby ensuring the temperature stability of the formation equipment and the battery, and improving the efficiency of the formation test.

[0004] The hydrothermal synthesis machine comprises a cuboid hangar, the top plate of which is provided with a downward positive electrode needle plate assembly 5, a nozzle rod assembly 7 and a lifting cylinder 4, which can be pushed up and down; a mechanism bottom frame 47 is provided at the bottom of the hangar, and a negative electrode needle plate assembly 6 corresponding to the positive electrode needle plate assembly 5 is provided on the mechanism bottom frame 47; the lifting cylinder 4 is connected to the mechanism bottom frame; the top plate of the hangar is connected to the mechanism bottom frame 47 through a guide column 41, and a mechanism middle frame 42 is passed through the guide column 41, and a battery tray 44 for accommodating batteries is provided on the top of the mechanism middle frame 42; the bottom of the hangar supports the mechanism middle frame 42 through a vertical lower limit column 43, so that the horizontal height of the mechanism middle frame 42 is higher than the negative electrode needle plate assembly 6;

[0005] An upper limit post 45 is provided at the bottom of the mechanism middle frame 42, and a spring assembly 46 is provided at the top of the mechanism bottom frame 47, and the positions of the upper limit post 45 and the spring assembly 46 correspond to each other up and down;

[0006] Vertical side air ducts 9 are respectively provided on the left and right sides of the hangar, and the side where the two side air ducts 9 are close to each other is defined as the inner side; an upper fan assembly 2 is provided at the top of the inner side of the side air duct 9, and the upper fan assembly 2 can pump air into the hangar from the side air duct 9; a water heating plate assembly 3 for adjusting the air temperature is provided in the middle of the side air duct 9, and a bottom fan assembly 1 is provided at the bottom of the inner side of the side air duct 9, and the bottom fan assembly 1 can pump air into the side air duct 9 from the inside of the hangar; an energy storage explosion-proof exhaust fan 10 is installed on the upper part of the side air duct 9, which can pump external cold air into the side air duct 9.

[0007] More specifically, the upper fan assembly 2 includes an upper fan mounting plate 22, on which a plurality of upper fans 21 are arranged; an upper fan handle 23 is provided at the end of the upper fan mounting plate 22; the upper fan mounting plate 22 can be pulled out of the side air duct 9 through the upper fan handle 23 for easy maintenance.

[0008] More specifically, the bottom fan assembly 1 includes a bottom fan mounting plate 12 , on which a plurality of bottom fans 11 are arranged; a bottom fan handle 13 is arranged at the end of the bottom fan mounting plate 12 ; the bottom fan mounting plate 12 can be pulled out of the side air duct 9 through the bottom fan handle 13 .

[0009] More specifically, the energy storage explosion relief exhaust fan 10 can be disassembled together with the front wall of the side air duct 9 for easy maintenance.

[0010] More specifically, an air guide plate 8 connecting the upper fan assembly 2 and the bottom fan assembly 1 is provided inside the side air duct 9 .

[0011] The working process of the present invention comprises:

[0012] 1. The lifting cylinder 4 pulls the mechanism bottom frame 47 upward, and the spring assembly 46 contacts the upper limit post 45. At this time, the negative electrode needle plate assembly 6 does not contact the negative electrode ear of the battery.

[0013] 2. The mechanism bottom frame 47 and the mechanism middle frame 42 move upward together until the positive electrode needle plate assembly 5 contacts the positive electrode ear of the battery.

[0014] 3. The middle frame 42 of the mechanism stops moving, but the lifting cylinder 4 is pulled up, and the spring assembly 46 is compressed until the negative pole ear of the battery contacts the negative needle plate assembly 6. The tray 44 is connected to the suction nozzle rod assembly 7. The positive needle plate assembly 5 and the negative needle plate assembly 6 charge and discharge the blade battery, and remove impurities in the electrolyte through the suction nozzle rod assembly 7 to complete the formation.

[0015] When working, the upper fan assembly 2 and the bottom fan assembly 1 are turned on. The air in the hangar is blown into the side air duct 9 by the upper fan assembly 2, and the temperature is controlled at the water heating plate assembly 3 through the air guide plate 8. The bottom fan assembly 1 blows the temperature-controlled air back into the hangar, flows through the negative electrode needle plate assembly 6, the battery tray 4 and the positive electrode needle plate assembly 5 in sequence, and finally is blown back into the side air duct 9 by the upper fan assembly 2.

[0016] The beneficial effects of the present invention are as follows: high-speed internal air circulation keeps the internal temperature of the formation test hangar constant, ensures high activity of lithium ions, effectively reduces the loss of electric energy, improves battery production efficiency, and achieves energy conservation and emission reduction; the retractable fan is convenient for staff to perform maintenance. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a structural diagram of a hydrothermal synthesis integrated machine of the present invention.

[0018] Figure 2 It is a structural diagram of the upper fan assembly of the present invention.

[0019] Figure 3 It is a structural diagram of the bottom fan assembly of the present invention.

[0020] Figure 4 It is a schematic diagram of the internal circulation of air of the present invention. DETAILED DESCRIPTION

[0022] The specific implementation of the embodiment of the present invention is described in detail below in conjunction with the accompanying drawings. It should be understood that the specific implementation described here is only used to illustrate and explain the embodiment of the present invention, and is not used to limit the embodiment of the present invention.

[0023] In the description of the present invention, it is to be understood that the terms “center”, “longitudinal”, “lateral”, “length”, “width”, “thickness”, “up”, “down”, “front”, “back”, “left”, “right”, “vertical”, “horizontal”, “top”, “bottom”, “inside”, “outside”, “clockwise”, “counterclockwise”, “axial”, “radial”, “circumferential”, etc., indicating orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0024] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection, an electrical connection, or communication with each other; it can be a direct connection, or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] In the present invention, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0028] The present invention will be described in detail below in conjunction with exemplary embodiments with reference to the accompanying drawings.

[0029] The hydrothermal synthesis machine comprises a cuboid hangar, the top plate of which is provided with a downward positive electrode needle plate assembly 5, a nozzle rod assembly 7 and a lifting cylinder 4, which can be pushed up and down; a mechanism bottom frame 47 is provided at the bottom of the hangar, and a negative electrode needle plate assembly 6 corresponding to the positive electrode needle plate assembly 5 is provided on the mechanism bottom frame 47; the lifting cylinder 4 is connected to the mechanism bottom frame; the top plate of the hangar is connected to the mechanism bottom frame 47 through a guide column 41, and a mechanism middle frame 42 is passed through the guide column 41, and a battery tray 44 for accommodating batteries is provided on the top of the mechanism middle frame 42; the bottom of the hangar supports the mechanism middle frame 42 through a vertical lower limit column 43, so that the horizontal height of the mechanism middle frame 42 is higher than the negative electrode needle plate assembly 6;

[0030] An upper limit post 45 is provided at the bottom of the mechanism middle frame 42, and a spring assembly 46 is provided at the top of the mechanism bottom frame 47, and the positions of the upper limit post 45 and the spring assembly 46 correspond to each other up and down;

[0031] Vertical side air ducts 9 are respectively provided on the left and right sides of the hangar, and the side where the two side air ducts 9 are close to each other is defined as the inner side; an upper fan assembly 2 is provided at the top of the inner side of the side air duct 9, and the upper fan assembly 2 can pump air from the side air duct 9 into the hangar; a water heating plate assembly 3 for adjusting the air temperature is provided in the middle of the side air duct 9, and a bottom fan assembly 1 is provided at the bottom of the inner side of the side air duct 9, and the bottom fan assembly 1 can pump air from the inside of the hangar into the side air duct 9; an energy storage explosion-proof exhaust fan 10 is installed on the upper part of the side air duct 9, which can pump external cold air into the side air duct 9.

[0032] In some embodiments, the upper fan assembly 2 includes an upper fan mounting plate 22, on which a plurality of upper fans 21 are disposed; an upper fan handle 23 is disposed at the end of the upper fan mounting plate 22; the upper fan mounting plate 22 can be pulled out of the side air duct 9 through the upper fan handle 23 for easy maintenance.

[0033] In some embodiments, the bottom fan assembly 1 includes a bottom fan mounting plate 12, on which a plurality of bottom fans 11 are disposed; a bottom fan handle 13 is disposed at the end of the bottom fan mounting plate 12; the bottom fan mounting plate 12 can be pulled out of the side air duct 9 through the bottom fan handle 13.

[0034] In some embodiments, the energy storage explosion relief exhaust fan 10 can be disassembled together with the front wall of the side air duct 9 for easy maintenance.

[0035] In some embodiments, an air guide plate 8 connecting the upper fan assembly 2 and the bottom fan assembly 1 is provided inside the side air duct 9 .

[0036] The working process of the present invention comprises:

[0037] 1. The lifting cylinder 4 pulls the mechanism bottom frame 47 upward, and the spring assembly 46 contacts the upper limit post 45. At this time, the negative electrode needle plate assembly 6 does not contact the negative electrode ear of the battery.

[0038] 2. The mechanism bottom frame 47 and the mechanism middle frame 42 move upward together until the positive electrode needle plate assembly 5 contacts the positive electrode ear of the battery.

[0039] 3. The middle frame 42 of the mechanism stops moving, but the lifting cylinder 4 is pulled up, and the spring assembly 46 is compressed until the negative pole ear of the battery contacts the negative needle plate assembly 6. The positive needle plate assembly 5 and the negative needle plate assembly 6 charge and discharge the blade battery to complete the formation.

[0040] When working, the upper fan assembly 2 and the bottom fan assembly 1 are turned on. The air in the hangar is blown into the side air duct 9 by the upper fan assembly 2, and the temperature is controlled at the water heating plate assembly 3 through the air guide plate 8. The bottom fan assembly 1 blows the temperature-controlled air back into the hangar, flows through the negative electrode needle plate assembly 6, the battery tray 4 and the positive electrode needle plate assembly 5 in sequence, and finally is blown back into the side air duct 9 by the upper fan assembly 2.

[0041] When the temperature is higher than the maximum set temperature threshold, the water heating plate assembly 3 stops working. The energy storage explosion venting exhaust fan 10 is turned on to pump the cooler air outside the hangar into the side air duct 9, and then circulate the cool air into the hangar through the upper fan assembly 2 and the bottom fan assembly 1, thereby achieving the purpose of cooling.

[0042] When the thermal runaway phenomenon in the hangar is extremely serious and the air pressure rises sharply, the energy storage explosion relief exhaust fan 10 is turned on, and the auxiliary explosion-proof valve is used to relieve pressure to prevent explosion.

[0043] The beneficial effects of the present invention are as follows: the internal temperature of the hangar for high-speed air circulation formation testing is kept constant at 45±2°C, ensuring high activity of lithium ions, effectively reducing power loss, improving battery production efficiency, and achieving energy conservation and emission reduction; the retractable fan is convenient for staff to maintain.

[0044] Although the embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and are not to be construed as limitations of the present invention. A person skilled in the art may change, modify, replace and vary the above embodiments within the scope of the present invention.

Claims

1. A hydrothermal forming machine, characterized in that: The invention comprises a cuboid hangar, wherein the top plate of the hangar is provided with a downwardly facing positive electrode needle plate assembly (5), a suction nozzle rod assembly (7) and a lifting cylinder (4), and the lifting cylinder (4) can be pushed up and down; the bottom of the hangar is provided with a mechanism bottom frame (47), and the mechanism bottom frame (47) is provided with a negative electrode needle plate assembly (6) corresponding to the positive electrode needle plate assembly (5) up and down; the lifting cylinder (4) is connected to the mechanism bottom frame; the top plate of the hangar is connected to the mechanism bottom frame (47) through a guide column (41), and a mechanism middle frame (42) is passed through the guide column (41), and a battery tray (44) for accommodating batteries is provided on the top of the mechanism middle frame (42); the bottom of the hangar supports the mechanism middle frame (42) through a vertical lower limit column (43), so that the horizontal height of the mechanism middle frame (42) is higher than the negative electrode needle plate assembly (6); An upper limit post (45) is provided at the bottom of the mechanism middle frame (42), and a spring assembly (46) is provided at the top of the mechanism bottom frame (47), and the positions of the upper limit post (45) and the spring assembly (46) correspond to each other from top to bottom; Vertical side air ducts (9) are respectively arranged on the left and right sides of the hangar, and the side of the two side air ducts (9) close to each other is defined as the inner side; an upper fan assembly (2) is arranged at the top of the inner side of the side air duct (9), and the upper fan assembly (2) can pump air from the side air duct (9) into the hangar; a water heating plate assembly (3) for adjusting the air temperature is arranged in the middle of the side air duct (9), and a bottom fan assembly (1) is arranged at the bottom of the inner side of the side air duct (9), and the bottom fan assembly (1) can pump air from the inside of the hangar into the side air duct (9); an energy storage explosion relief exhaust fan (10) is installed on the upper part of the side air duct (9), and can pump external cold air into the side air duct (9).

2. The hydrothermal forming machine according to claim 1, characterized in that: The upper fan assembly (2) comprises an upper fan mounting plate (22), on which a plurality of upper fans (21) are arranged; an upper fan handle (23) is arranged at the end of the upper fan mounting plate (22); the upper fan mounting plate (22) can be pulled out of the side air duct (9) by the upper fan handle (23), so as to facilitate maintenance.

3. The hydrothermal forming machine according to claim 1, characterized in that: The bottom fan assembly (1) comprises a bottom fan mounting plate (12), on which a plurality of bottom fans (11) are arranged; a bottom fan handle (13) is arranged at the end of the bottom fan mounting plate (12); the bottom fan mounting plate (12) can be drawn out of the side air duct (9) via the bottom fan handle (13).

4. The hydrothermal synthesis machine according to claim 1, characterized in that: The energy storage explosion relief exhaust fan (10) can be disassembled together with the front wall of the side air duct (9) for easy maintenance.

5. The hydrothermal synthesis machine according to claim 1, characterized in that: An air guide plate (8) connecting the upper fan assembly (2) and the bottom fan assembly (1) is provided inside the side air duct (9).

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