CN219610531U - Formation cabinet - Google Patents

Abstract

The utility model discloses a formation cabinet, and belongs to the technical field of battery production. Comprises a cabinet, wherein a plurality of formation components are arranged in the cabinet; the formation components are arranged in the cabinet in a parallel manner from top to bottom, and each formation component can run independently; a plurality of guide posts are arranged in the cabinet; the formation components can move up and down along the directions of the guide posts respectively; a plurality of buffer springs are respectively sleeved on the guide posts, and the buffer springs are respectively arranged among the formation components; the top end of each grouping component is provided with an air cylinder respectively; the top end of the cabinet is provided with a heat dissipation component. In the utility model, the buffer spring gives an upward acting force to balance the influence of the self weight of the assembly on the battery. Each formation component can independently run, can simultaneously carry out formation test of multiple parameters, effectively save the time required by process test, and can simultaneously carry out chemical production work of multiple batteries to improve the production flexibility.

Description

Formation cabinet

Technical Field

The utility model relates to the technical field of battery production, in particular to a formation cabinet.

Background

After the battery is manufactured, the internal positive and negative electrode substances are activated in a certain charge and discharge mode, and the process of improving the charge and discharge performance and the comprehensive performance of self-discharge, storage and the like of the battery is called formation, and the battery can show real performance only after formation.

Formation is the initial formation of the battery because li+ is first intercalated into graphite upon first charging of li+ and electrochemical reactions occur within the battery. That is, when charged for the first time, an SEI layer (Solid Electrolyte Interface solid electrolyte interface) is formed, the SEI layer is wrapped outside the graphite layer, li+ is smoothly inserted into the graphite, but electrons are not allowed to pass through, and the SEI layer is formed of ec+li+e→lir+co2 (gas is generated, and an air bag is required for formation), and electrons are necessarily involved in the formation, so when the SEI layer is sufficiently thick, the reaction is stopped, and the SEI layer has an important influence on the battery electrical property. The flow of the battery pack is very important.

In the prior art, in order to save production land, a battery and a formation clamp are usually placed from bottom to top, and the battery positioned below needs to bear the weight of the battery from above, and the stress of each layer of battery is different, so that the formation quality and the quality of a battery finished product are affected.

Disclosure of Invention

The utility model mainly aims to provide a formation cabinet, and aims to provide a buffer spring arranged between components, wherein the buffer spring gives an upward acting force to balance the influence of the self weight of the components on a battery.

To achieve the above object, the present utility model provides a chemical conversion cabinet comprising:

the cabinet is internally provided with a plurality of formation components; the formation components are arranged in the cabinet in a parallel manner from top to bottom, and each formation component can run independently; a plurality of guide posts are arranged in the cabinet; the formation components can move up and down along the directions of the guide posts respectively; a plurality of buffer springs are respectively sleeved on the plurality of guide posts, and the plurality of buffer springs are respectively arranged among the plurality of formation components; the top end of each grouping component is provided with an air cylinder respectively; and a heat dissipation assembly is arranged at the top end of the cabinet.

Optionally, the plurality of formation components are provided with a plurality of guide post holes, and the plurality of guide posts are respectively arranged in the plurality of guide post holes.

Optionally, an elastic washer is disposed in each guide pillar hole, and the plurality of guide pillars are respectively disposed in the plurality of elastic washers.

Optionally, the formation component comprises two clamping plates and a heat insulation plate, wherein the two clamping plates are provided with mounting grooves, and the heat insulation plate is arranged between the two clamping plates.

Optionally, the heat insulating board top is provided with first hot plate, first hot plate top is provided with the backing plate, the backing plate top is provided with the PCB board.

Optionally, the heat insulating board bottom is provided with the second hot plate, the second hot plate bottom is provided with the silica gel zone of heating.

Optionally, the heat dissipation assembly comprises a plurality of heat dissipation fans, a plurality of heat dissipation holes are formed in the top end of the cabinet, and the plurality of heat dissipation fans are respectively arranged on the plurality of heat dissipation holes.

Optionally, the side wall of the cabinet is provided with a plurality of ventilation holes.

Optionally, the cylinder is arranged at the top end of the cabinet, and the bottom end of the cylinder is provided with an output plate.

Optionally, a plurality of avoidance grooves are formed in the output plate.

Compared with the prior art, the utility model has the following beneficial effects:

the battery is placed on the formation assembly, the cylinder presses each formation assembly, and the formation assemblies move downwards along the guide post direction and clamp the battery to perform formation work. A buffer spring is arranged between the formation assemblies, and the buffer spring gives an upward acting force when the cylinder presses each formation assembly, so that the influence of the self weight of the formation assembly on the battery is balanced.

Each formation component can independently run, can simultaneously carry out formation test of multiple parameters, effectively save the time required by process test, and can simultaneously carry out chemical production work of multiple batteries to improve the production flexibility.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions of the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained from the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a forming cabinet according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a forming cabinet according to an embodiment of the present utility model;

fig. 3 is a schematic structural diagram of the chemical assembly shown in fig. 1.

Reference numerals illustrate:

1. a cabinet; 101. a formation chamber; 102. a control module; 103. a power supply chamber; 104. a cabinet door; 105. an observation window; 106. a heat radiation hole; 107. a vent hole; 2. forming a component; 201. a guide post hole; 202. an elastic washer; 3. a guide post; 4. a buffer spring; 5. a cylinder; 6. a heat dissipation assembly; 7. a clamping plate; 701. a mounting groove; 8. a heat insulating plate; 9. a first heating plate; 10. a backing plate; 11. a PCB board; 12. a second heating plate; 13. a silica gel heating layer; 14. an output plate; 1401. an avoidance groove; 15. a heat dissipation fan.

The achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description will be given for the sake of clarity and completeness of the description of the technical solutions according to the embodiments of the present utility model, with reference to the accompanying drawings, wherein it is evident that the described embodiments are only one embodiment of the device according to the present utility model, and not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 3, the present utility model proposes a formation cabinet.

In an embodiment of the present utility model, the formation cabinet includes a cabinet 1, and a plurality of formation assemblies 2 are disposed in the cabinet 1; the formation assemblies 2 are arranged in the cabinet 1 in a group of parallel arrangement from top to bottom, and each formation assembly 2 can operate independently; a plurality of guide posts 3 are arranged in the cabinet 1; the plurality of formation assemblies 2 can move up and down along the directions of the plurality of guide posts 3 respectively; a plurality of buffer springs 4 are respectively sleeved on the plurality of guide posts 3, and the plurality of buffer springs 4 are respectively arranged between the plurality of formation assemblies 2; the top end of each formation component 2 is respectively provided with a cylinder 5; the top end of the cabinet 1 is provided with a heat dissipation component 6.

In the present utility model, the cabinet 1 includes a formation chamber 101, a control module 102, and a power supply chamber 103, the formation chamber 101 is disposed above the control module 102, and the power supply chamber 103 is disposed below the control module 102. The plurality of formation assemblies 2 and the plurality of guide posts 3 are arranged in the formation chamber 101, the control module 102 is used for controlling the plurality of formation assemblies 2 to perform formation operation, and the power supply chamber 103 is internally provided with a power supply for providing a power source for electronic components in the formation cabinet.

A cabinet door 104 is arranged in front of the cabinet 1, and the cabinet door 104 is hinged with the outer side of the cabinet 1 and can be opened and closed; the cabinet door 104 is provided with an observation window 105 for observing the internal condition of the cabinet 1 from the outside; each formation component 2 is arranged in parallel left and right in the formation chamber 101, the formation components 2 are provided with a plurality of guide pillar holes 201, and the guide pillars 3 are respectively arranged in the guide pillar holes 201. Four guide posts 3 are arranged on each formation component 2, and the four guide posts 3 are respectively and vertically arranged on the periphery of each formation component 2.

The formation assembly 2 comprises two clamping plates 7 and a heat insulation plate 8, wherein a U-shaped mounting groove 701 is formed in the two clamping plates 7, and the heat insulation plate 8 is arranged between the two clamping plates 7. The two clamping plates 7 are arranged at the left side and the right side of the heat insulation plate 8. The guide pillar holes 201 are respectively formed in the front side and the rear side of each clamping plate 7, an elastic gasket 202 is arranged in each guide pillar hole 201, and the guide pillars 3 are respectively arranged in the elastic gaskets 202. The elastic washer 202 is used to improve the stability of the plurality of chemical components 2 when moving up and down.

The top of the heat insulating plate 8 is provided with a first heating plate 9, the top of the first heating plate 9 is provided with a base plate 10, and the top of the base plate 10 is provided with a PCB 11. The bottom of the heat insulating plate 8 is provided with a second heating plate 12, and the bottom of the second heating plate 12 is provided with a silica gel heating layer 13. The cylinder 5 is arranged at the top end of the cabinet 1, and the bottom end of the cylinder 5 is provided with an output plate 14. The batteries to be formed are respectively placed on the formation assemblies 2, each cylinder 5 presses each corresponding formation assembly 2, and the formation assemblies 2 move downwards along the guide posts 3 to clamp the batteries.

The first heating plate 9 heats the bottom of battery, the second heating plate 12 heats the top of battery, and the formation subassembly 2 that is located the below does not be provided with second heating plate 12 and silica gel zone of heating 13, the power board 14 bottom is provided with second heating plate 12 and silica gel zone of heating 13. The buffer springs 4 are respectively arranged around the formation assemblies 2, and the buffer springs 4 provide a reverse acting force during clamping to balance the dead weights of the formation assemblies 2, so that the pressure born by each battery is equal, and the formation quality is ensured to ensure the quality of the battery. It is easily conceivable that the lower the formation module 2 is subjected to the gravity of the upper side, the larger the spring constant of the buffer spring 4 is, and the larger the reaction force can be provided. A plurality of avoiding grooves 1401 matched with the guide post 3 in shape are formed in the periphery of the output plate 14.

Since the battery generates a lot of heat during the formation, the battery is easily damaged during the formation and the safety accident is easily caused, the formation cabinet is provided with a heat spreading assembly 6 for cooling the inside of the cabinet 1 during the formation. The heat dissipation assembly 6 comprises a plurality of heat dissipation fans 15, a plurality of heat dissipation holes 106 are formed in the top end of the cabinet 1, and the plurality of heat dissipation fans 15 are respectively arranged on the plurality of heat dissipation holes 106. The side wall of the cabinet 1 is provided with a plurality of ventilation holes 107, and the ventilation cooling effect is better when the ventilation cooling effect is matched with the plurality of cooling fans 15. The inner sides of the plurality of heat dissipation holes 106 and the plurality of vent holes 107 are provided with filter screens to prevent dust from entering the formation chamber 101 and attaching to the battery to affect the quality of the battery. The side wall of the power supply chamber 103 is provided with the same vent hole 107 for heat dissipation.

When the battery clamping device is used, the cabinet door 104 is opened to respectively place a plurality of batteries on the plurality of formation assemblies 2, each formation assembly 2 is respectively controlled by the control module 102, each cylinder 5 extrudes each corresponding formation assembly 2, and the plurality of formation assemblies 2 move downwards along the direction of the plurality of guide posts 3 to clamp the batteries. The first heating plate 9 heats the bottom of the battery, and the second heating plate 12 heats the top of the battery, so that battery formation work with various parameters can be performed simultaneously. The buffer springs 4 are arranged between the upper and lower formation assemblies 2 to provide a reverse acting force, balance the dead weights of the formation assemblies 2, ensure that the pressure born by each battery is equal, and ensure the formation quality to ensure the quality of the batteries.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. The formation cabinet is characterized by comprising a cabinet, wherein a plurality of formation components are arranged in the cabinet; the formation components are arranged in the cabinet in a parallel manner from top to bottom, and each formation component can run independently; a plurality of guide posts are arranged in the cabinet; the formation components can move up and down along the directions of the guide posts respectively; a plurality of buffer springs are respectively sleeved on the plurality of guide posts, and the plurality of buffer springs are respectively arranged among the plurality of formation components; the top end of each grouping component is provided with an air cylinder respectively; and a heat dissipation assembly is arranged at the top end of the cabinet.

2. The chemical conversion cabinet according to claim 1, wherein the plurality of chemical conversion assemblies are provided with a plurality of guide post holes, and the plurality of guide posts are respectively arranged in the plurality of guide post holes.

3. A chemical synthesis cabinet according to claim 2, wherein each guide post hole is provided with an elastic washer, and the guide posts are respectively arranged in the elastic washers.

4. The chemical synthesis cabinet of claim 1, wherein the chemical synthesis assembly comprises two clamping plates and a thermal insulation plate, the two clamping plates are provided with mounting grooves, and the thermal insulation plate is arranged between the two clamping plates.

5. The chemical-mechanical polishing cabinet of claim 4, wherein a first heating plate is arranged at the top end of the heat insulating plate, a base plate is arranged at the top end of the first heating plate, and a PCB (printed circuit board) is arranged at the top end of the base plate.

6. The chemical synthesis cabinet of claim 4, wherein a second heating plate is disposed at the bottom end of the heat shield, and a silica gel heating layer is disposed at the bottom end of the second heating plate.

7. The chemical vapor deposition cabinet of claim 1, wherein the heat dissipation assembly comprises a plurality of heat dissipation fans, a plurality of heat dissipation holes are formed in the top end of the cabinet, and the plurality of heat dissipation fans are respectively arranged on the plurality of heat dissipation holes.

8. A chemical synthesis cabinet according to claim 1, wherein the cabinet side walls are provided with a plurality of ventilation holes.

9. A chemical synthesis cabinet according to claim 1, wherein the cylinder is provided at the top end of the cabinet and the bottom end of the cylinder is provided with a force-exerting plate.

10. The chemical vapor deposition apparatus of claim 9 wherein said force exerting plate defines a plurality of relief grooves.