Vacuum storage transfer cabinet for cylindrical lithium battery semi-finished product transportation

By designing a vacuum storage transfer cabinet for transporting cylindrical lithium battery semi-finished products, the problems of temperature and humidity runaway, vacuum leakage, and battery collision damage were solved, achieving stable transportation and efficient operation, and reducing costs.

CN224257392UActive Publication Date: 2026-05-19NANJING CBAK NEW ENERGY TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
NANJING CBAK NEW ENERGY TECH CO LTD
Filing Date
2025-06-19
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

In existing technologies, cylindrical lithium battery semi-finished products suffer from problems such as uncontrolled temperature and humidity, vacuum leakage, and battery collision damage during storage and transportation, and also lack operational flexibility.

Method used

A vacuum storage transfer cabinet for transporting cylindrical lithium battery semi-finished products was designed. It adopts components such as a sealed cavity, vacuum pumping components and battery tray clamps to ensure transportation under vacuum conditions, prevent the intrusion of moisture and dust, and reduce battery damage through PET material tray clamps.

Benefits of technology

It achieves stable protection of semi-finished batteries during transportation, reduces the impact of the external environment on battery performance, reduces battery damage, improves operational flexibility and load-bearing capacity, and reduces transportation costs.

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Abstract

The utility model belongs to the technical field of lithium battery preparation, and particularly relates to a vacuum storage transfer cabinet for cylindrical lithium battery semi-finished product transportation, which comprises a box body, a sealing cavity, a sealing door, a stainless steel hinge, a placing frame, a battery tray clamp, a vacuumizing assembly and a sealing rubber strip, the sealing cavity comprises a partition plate and square steel, the square steel is of a rectangular structure formed by splicing cross rods and vertical rods, the partition plate is laid and installed at the outer end of the square steel, a sealing door is installed at the front end of the box body, the partition plate and the sealing door form the sealing cavity of the box body, and supporting seats are installed at the lower end of the periphery of the box body; the inner wall of the sealing cavity is provided with a heat preservation material, the heat preservation material covers the outer surface of the sealing cavity in the box body, the top of the box body is provided with a temperature and humidity meter, the storage and transfer cabinet is simple in structure, flexible and convenient to use and good in bearing capacity, positioning capacity and transfer capacity, and the transportation cost is greatly reduced.
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Description

Technical Field

[0001] This utility model relates to the field of lithium battery manufacturing technology, and in particular to a vacuum storage transfer cabinet for transporting cylindrical lithium battery semi-finished products. Background Technology

[0002] Semi-finished cylindrical lithium batteries require strict temperature, humidity, and moisture control during storage and transportation. However, in actual transportation, simple blister packs or foam handling boxes are used for protection and storage. These methods are relatively fixed and lack operational flexibility. Furthermore, they cannot guarantee against temperature and humidity loss, vacuum leakage, or battery collision damage during transportation. Therefore, the storage and transfer of semi-finished batteries before battery packaging becomes a critical issue. To address this, this application proposes a vacuum storage and transfer cabinet for transporting semi-finished cylindrical lithium batteries to solve the above problems. Utility Model Content

[0003] The purpose of this invention is to address the shortcomings of existing technologies that use simple blister packs or foam handling boxes for protection and storage during actual transportation. These methods are relatively fixed, lack operational flexibility, and cannot guarantee against issues such as temperature and humidity loss, vacuum leakage, and battery collision damage during transportation. Therefore, this invention proposes a vacuum storage transfer cabinet for transporting cylindrical lithium battery semi-finished products.

[0004] To achieve the above objectives, the present invention adopts the following technical solution:

[0005] A vacuum storage transfer cabinet for transporting cylindrical lithium battery semi-finished products includes a box body, a sealed cavity, a sealed door, stainless steel hinges, a placement rack, a battery tray clamp, a vacuum assembly, and sealing strips. The box body consists of a sealed cavity and a sealed door. The sealed cavity includes a partition and square steel. The square steel is a rectangular structure spliced ​​with horizontal and vertical bars. The partition is laid and installed on the outer end of the square steel. A sealed door is installed at the front end of the box body. The partition and the sealed door constitute the sealed cavity of the box body. Support seats are installed at the lower ends of the box body.

[0006] As a preferred embodiment of this utility model, the inner wall of the sealed cavity is provided with heat-insulating material, which covers the outer surface of the sealed cavity inside the box, and a temperature and humidity meter is provided on the top of the box.

[0007] As a preferred embodiment of this utility model, the sealing door has a convex design, stainless steel hinges are fixedly connected to the sealing door and the sealing cavity respectively, a sealing strip is set between the sealing door and the sealing cavity, and the sealing door is equipped with several heavy-duty door bolt clamps.

[0008] As a preferred embodiment of this utility model, a plurality of placement racks are provided on the side wall inside the sealed cavity. The side of the placement rack is provided with an installation groove extending along its axial direction. The installation groove is provided with a guide wheel, which is rotatably connected to the side wall of the installation groove. A rotating shaft is installed on the guide wheel, and the rotating shaft is perpendicular to the axial direction of the placement rack. The outermost end of the placement rack is provided with a pin hole, and a retaining pin circular pin ring is installed in the pin hole.

[0009] As a preferred embodiment of this utility model, the battery tray clamp includes a clamp partition, a battery inner liner, a clamp base plate, and a fixed support column. The battery tray clamp is made of PET material and has an overall mold design. The clamp base plate and the battery inner liner are provided with multiple circular guide grooves of the same diameter as the battery. The fixed support column is connected and fixed to the battery inner liner and the clamp base plate respectively.

[0010] As a preferred embodiment of this utility model, the vacuum assembly includes a negative pressure pipe, a vacuum pressure gauge, and a vacuum valve. The negative pressure pipe is located on the top of the housing, with one end connected to the housing and the other end used to connect to an external vacuum device. The vacuum valve and vacuum pressure gauge are both located on the negative pressure pipe, with the vacuum pressure gauge installed between the housing and the vacuum valve. Beneficial effects

[0011] 1. The storage and transfer cabinet of this utility model has a simple structure, is flexible and convenient to use, and has good load-bearing capacity, positioning and transfer capabilities, which greatly reduces transportation costs;

[0012] 2. By using the storage and transfer cabinet of this utility model, a vacuum is drawn from the sealed box through the vacuum component, which isolates the semi-finished cylindrical lithium batteries from adverse environments such as moisture and dust in the air during transportation, effectively reducing the impact of the external environment on the performance of the semi-finished batteries during the transportation process.

[0013] 3. The battery tray in this utility model is made of PET material and has an overall mold design, which reduces the weight and the load on the handling system, while ensuring the stability of the semi-finished batteries and preventing damage to the batteries due to vibration during transportation. Attached Figure Description

[0014] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0015] Figure 2 This is the left structural view of the present invention;

[0016] Figure 3 This is a partial structural schematic diagram of the present invention;

[0017] Figure 4 This is a cross-sectional view of the placement rack structure of this utility model;

[0018] Figure 5 This is a three-dimensional structural view of the battery tray clamp of this utility model;

[0019] Figure 6 This is a top view of the battery tray clamp of this utility model;

[0020] Figure 7 This is a cross-sectional view of the battery tray clamp of this utility model.

[0021] In the diagram: 1. Box body; 2. Sealed cavity; 21. Support base; 22. Partition; 23. Insulation material; 24. Square steel; 3. Sealed door; 4. Heavy-duty door bolt clamp; 5. Stainless steel hinge; 6. Placement rack; 61. Mounting groove; 62. Guide wheel; 63. Rotating shaft; 64. Pin hole; 65. Circular pin ring; 7. Battery tray clamp; 71. Clamp partition; 72. Battery inner liner; 73. Clamp base plate; 74. Fixed support column; 75. Circular guide groove; 8. Vacuum assembly; 81. Negative pressure pipeline; 82. Vacuum pressure gauge; 83. Vacuum valve; 9. Thermohygrometer; 10. Sealing strip. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Example

[0023] Reference Figures 1-7 A vacuum storage transfer cabinet for transporting cylindrical lithium battery semi-finished products includes a box body 1, a sealed cavity 2, a sealed door 3, a stainless steel hinge 5, a placement rack 6, a battery tray clamp 7, a vacuum assembly 8, and a sealing strip 10. The box body 1 is composed of the sealed cavity 2 and the sealed door 3. The sealed cavity 2 includes a partition 22 and a square steel 24. The square steel 24 is a rectangular structure spliced ​​with horizontal and vertical bars. The partition 22 is laid and installed on the outer end of the square steel 24. The partition 22 and the sealed door 3 at the outer end of the square steel 24 constitute the sealed cavity 2 structure of the box body 1, which is used to seal and isolate the external environment. Support seats 21 are installed at the lower end of the box body 1 to support the box body 1 and facilitate forklift handling.

[0024] In use, first open the heavy-duty door clamp 4 to open the sealing door 3, then place the semi-finished battery inside the battery tray clamp 7, use a transport vehicle to lift it and place it on the placement rack 6, and enter the sealed cavity 2 inside the box 1 through the guide wheel 62. Then close the sealing door 3 and lock the heavy-duty door clamp 4. Use the vacuum assembly 8 to connect to an external vacuum device to evacuate the inside of the box 1, so that the sealed cavity 2 is in a negative pressure state. During storage and transportation, the vacuum value, temperature and humidity status of the sealed cavity 2 inside the box 1 can be detected by the vacuum pressure gauge 82 and the temperature and humidity gauge 9. After transportation to the destination, open the vacuum valve 83, open the sealing door 3 by opening the heavy-duty door clamp 4, and complete the transportation of the semi-finished battery.

[0025] As a preferred embodiment of this utility model, the inner wall of the sealed cavity 2 is provided with heat insulation material 23, which covers the outer surface of the sealed cavity 2 inside the box 1. The top of the box 1 is provided with a temperature and humidity meter 9, which is used to measure and monitor the temperature and humidity inside the sealed cavity 2 inside the box 1, so as to ensure the stability of the environment inside the sealed cavity 2 during transportation, thereby ensuring the quality of the semi-finished battery.

[0026] As a preferred embodiment of this utility model, the sealing door 3 has a convex design to ensure the sealing performance of the sealing cavity 2, and is movably connected to the sealing cavity 2 by a stainless steel hinge 5. A sealing strip 10 is provided between the sealing door 3 and the sealing cavity 2. Several heavy-duty door bolt clamps 4 are provided on the sealing door 3 to ensure the sealing performance of the sealing cavity 2 and to open and close the sealing cavity 2.

[0027] As a preferred embodiment of this utility model, a plurality of placement racks 6 are provided on the side wall inside the sealed cavity 2. The side of the placement rack 6 is provided with an installation groove 61 extending along its axial direction. The installation groove 61 is provided with a guide wheel 62, which is rotatably connected to the side wall of the installation groove 61. A rotating shaft 63 is installed on the guide wheel 62. The rotating shaft 63 is perpendicular to the axial direction of the placement rack 6, thereby reducing the friction of the battery tray clamp 7 when taking it on and off the placement rack 6. The outermost end of the placement rack 6 is provided with a pin hole 64, and a stop pin circular pin ring 65 is installed in the pin hole 64 to stop the battery tray clamp 7 and prevent displacement.

[0028] As a preferred embodiment of this utility model, the battery tray clamp 7 includes a clamp partition 71, a battery inner liner 72, a clamp base plate 73, and a fixed support column 74. The battery tray clamp 7 is made of PET material and has an overall mold design. The clamp base plate 73 and the battery inner liner 72 are provided with multiple circular guide grooves 75 of the same diameter as the battery. The fixed support column 74 is connected and fixed to the battery inner liner 72 and the clamp base plate 73 respectively. The battery inner liner 72 can be replaced to achieve compatible storage and transportation of semi-finished cylindrical lithium batteries of different sizes and specifications.

[0029] As a preferred embodiment of this utility model, the vacuum assembly 8 includes a negative pressure pipe 81, a vacuum pressure gauge 82, and a vacuum valve 83. The negative pressure pipe 81 is located on the top of the housing 1, with one end connected to the housing 1 and the other end connected to an external vacuum device. The vacuum valve 83 and the vacuum pressure gauge 82 are both located on the negative pressure pipe 81. The vacuum pressure gauge 82 is installed between the housing 1 and the vacuum valve 83 to evacuate the sealed cavity 2 inside the housing 1, ensuring that the housing 1 is in a vacuum negative pressure state and isolating the air to control the environment.

[0030] The working principle of this utility model is as follows: In use, first open the heavy-duty door clamp 4 to open the sealing door 3, then place the semi-finished battery inside the battery tray clamp 7, use a transport vehicle to lift it and place it on the placement rack 6, and enter the sealed cavity 2 inside the box 1 through the guide wheel 62. Then close the sealing door 3 and lock the heavy-duty door clamp 4. Use the vacuum assembly 8 to connect to an external vacuum device to evacuate the inside of the box 1, so that the sealed cavity 2 is in a negative pressure state. During storage and transportation, the vacuum value, temperature and humidity of the sealed cavity 2 inside the box 1 can be detected by the vacuum pressure gauge 82 and the temperature and humidity gauge 9. When the transportation reaches the destination, open the vacuum valve 83, open the sealing door 3 by opening the heavy-duty door clamp 4, and complete the transportation of the semi-finished battery.

[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A vacuum storage transfer cabinet for transporting semi-finished cylindrical lithium batteries, characterized in that, The enclosure includes a box (1), a sealed cavity (2), a sealed door (3), a stainless steel hinge (5), a placement rack (6), a battery tray clamp (7), a vacuum assembly (8), and a sealing strip (10). The box (1) is composed of a sealed cavity (2) and a sealed door (3). The sealed cavity (2) includes a partition (22) and a square steel (24). The square steel (24) is a rectangular structure spliced ​​with horizontal and vertical bars. The partition (22) is laid and installed on the outer end of the square steel (24). The front end of the box (1) is equipped with a sealed door (3). The partition (22) and the sealed door (3) constitute the sealed cavity (2) of the box (1). Support seats (21) are installed at the lower ends of the box (1).

2. The vacuum storage and transfer cabinet for transporting semi-finished cylindrical lithium batteries according to claim 1, characterized in that, The inner wall of the sealed cavity (2) is provided with heat insulation material (23), and the heat insulation material (23) covers the outer surface of the sealed cavity (2) inside the box (1). The top of the box (1) is provided with a temperature and humidity meter (9).

3. A vacuum storage and transfer cabinet for transporting semi-finished cylindrical lithium batteries according to claim 1, characterized in that, The sealing door (3) is a convex design. Stainless steel hinges (5) are fixedly connected to the sealing door (3) and the sealing cavity (2) respectively. The sealing strip (10) is set between the sealing door (3) and the sealing cavity (2). Several heavy-duty door bolt clamps (4) are provided on the sealing door (3).

4. A vacuum storage transfer cabinet for transporting semi-finished cylindrical lithium batteries according to claim 1, characterized in that, The sealed cavity (2) has several placement racks (6) on its inner side wall. The side of the placement rack (6) has an installation groove (61) extending along its axial direction. The installation groove (61) has a guide wheel (62) inside. The guide wheel (62) is rotatably connected to the side wall of the installation groove (61). The guide wheel (62) has a rotating shaft (63) installed on it. The rotating shaft (63) is perpendicular to the axial direction of the placement rack (6). The outermost end of the placement rack (6) has a pin hole (64). A retaining pin circular pin ring (65) is installed in the pin hole (64).

5. A vacuum storage transfer cabinet for transporting semi-finished cylindrical lithium batteries according to claim 1, characterized in that, The battery tray clamp (7) includes a clamp partition (71), a battery inner liner (72), a clamp base plate (73), and a fixed support column (74). The battery tray clamp (7) is made of PET material and has an overall mold design. The clamp base plate (73) and the battery inner liner (72) are provided with multiple circular guide grooves (75) of the same diameter as the battery. The fixed support column (74) is connected and fixed to the battery inner liner (72) and the clamp base plate (73) respectively.

6. A vacuum storage transfer cabinet for transporting semi-finished cylindrical lithium batteries according to claim 1, characterized in that, The vacuum assembly (8) includes a negative pressure pipe (81), a vacuum pressure gauge (82), and a vacuum valve (83). The negative pressure pipe (81) is located on the top of the housing (1), and one end of the negative pressure pipe (81) is connected to the housing (1). The other end of the negative pressure pipe (81) is used to connect to an external vacuum device. The vacuum valve (83) and the vacuum pressure gauge (82) are both located on the negative pressure pipe (81). The vacuum pressure gauge (82) is installed between the housing (1) and the vacuum valve (83).