Lithium battery drying device

Abstract

The utility model discloses a lithium battery drying device which comprises a drying shell, a heating assembly and a clamp, and the drying shell is provided with a drying cavity and a sealing door used for sealing the drying cavity; the drying shell and the sealing door are matched to enable the drying cavity to form a closed space, the drying cavity is communicated with the vacuumizing assembly, the heating assembly is installed in the drying cavity, the clamp and the heating assembly are arranged in a separated mode, and the clamp is placed on the heating assembly in the using process. The clamp is provided with a plurality of accommodating cavities for accommodating lithium batteries; the clamp and the heating assembly are separately arranged, so that the weight of the clamp is reduced; the heating assembly is directly installed in the drying shell, a plurality of terminals connected with the heating assembly do not need to be arranged in the drying cavity, and vacuum discharge is avoided.

Description

Technical Field

[0001] The utility model belongs to the technical field of lithium battery equipment, and in particular relates to a lithium battery drying device. Background Art

[0002] At present, the lithium battery industry at home and abroad has a good development prospect. In the existing lithium battery production process, a vacuum baking furnace is generally used to perform contact vacuum baking and drying treatment on the battery cells, that is, the battery cells to be baked are directly in contact with the heat source. The lithium battery is basically installed in a fixture, and a heating plate is provided in the fixture so that the surface of the lithium battery contacts the heating plate. Then the fixture containing the lithium battery is sent into the vacuum drying chamber, and the heating plate on the fixture is connected to the power connection device in the drying chamber.

[0003] This method has the following disadvantages:

[0004] (1) Place the heating plate on the fixture and move it synchronously with the fixture to increase the weight of the fixture;

[0005] (2) The heating plate needs to be provided with multiple terminals connected to the electrical posts. The spacing between the multiple terminals is small, which can easily lead to vacuum discharge;

[0006] (3) The oven heat conduction plate, clamps, etc. are designed according to the lithium battery model. When the external dimensions of the lithium battery change, the heat conduction plate and clamps need to be replaced. The workload of replacement is large and the replacement time is long, which is not conducive to the replacement production of lithium batteries and affects production efficiency. Utility Model Content

[0007] The utility model aims to provide a lithium battery drying device, which has a separately arranged clamp and a heating component, wherein the heating component is directly installed in a drying shell, and multiple terminals connected to the heating component do not need to be arranged in the drying chamber, thereby avoiding vacuum discharge.

[0008] In order to achieve the above-mentioned purpose, the technical solution adopted by the utility model is:

[0009] A lithium battery drying device comprises a drying shell, a heating component and a clamp, wherein the drying shell is provided with a drying cavity and a sealing door for sealing the drying cavity; the drying shell and the sealing door cooperate to form a closed space in the drying cavity, the drying cavity is connected with a vacuum pumping component, the heating component is installed in the drying cavity, the clamp is separately arranged from the heating component, and when in use, the clamp is placed on the heating component, and the clamp is provided with a plurality of accommodating cavities for accommodating lithium batteries.

[0010] Furthermore, the fixture includes two first vertical plates arranged in parallel and spaced apart and two second vertical plates arranged in parallel and spaced apart; the two first vertical plates and the two second vertical plates are spliced ​​to form a support frame; a plurality of support rods are arranged in parallel and spaced apart in the support frame; the support rods are used to support the lithium battery.

[0011] Furthermore, the two first vertical plates are each provided with a plurality of recesses; and both ends of the support rod are respectively fixedly disposed in the recesses on the two first vertical plates.

[0012] Furthermore, a plurality of screw rods are arranged in parallel and at intervals in the support frame, the outer surfaces of the screw rods are provided with threads, a plurality of first mounting holes matching the screw rods are provided on the second vertical plate, and the screw rods are fixed to the second vertical plate through the first mounting holes.

[0013] Furthermore, the screw is provided with a plurality of adjustment sleeves, each of which is provided with a threaded hole matched with the screw, and the adjustment sleeve is arranged on the screw through the threaded hole; the adjustment sleeves are distributed in a matrix in the support frame; each row of adjustment sleeves is arranged on the same screw, and the adjustment sleeves can rotate and move on the screw.

[0014] Furthermore, a dividing strip is provided on each column of adjusting sleeves; a plurality of planes are evenly provided on the outside of the adjusting sleeves, each plane is provided with a second mounting hole, and the adjusting sleeves are mounted on the dividing strip through the second mounting hole; an interlocking connection is formed between the dividing strip and each adjusting sleeve in the same column so that the adjusting sleeves are fixed on the screw.

[0015] Furthermore, a plurality of partition blocks are arranged on the partition bar, a plurality of guide grooves for accommodating lithium batteries are opened on the partition blocks, and the guide grooves on the two partition blocks are arranged opposite to each other to form a accommodating cavity for the lithium batteries.

[0016] Furthermore, the dividing blocks are divided into single-sided dividing blocks and double-sided dividing blocks; a guide groove is provided on one side of the single-sided dividing block; guide grooves are provided on both sides of the double-sided dividing block; the single-sided dividing blocks are distributed at both ends of the supporting frame, and a plurality of double-sided dividing blocks are arranged between the two single-sided dividing blocks.

[0017] Furthermore, the first vertical plate has side ribs at the head and tail ends of the side surface, and the ribs on both sides are arranged on the outside of the clamp, and the clamp transfer is completed by forking the side ribs of the first vertical plate.

[0018] Furthermore, the heating assembly includes a heating plate, a heat conducting plate and heating strips, a plurality of heating strips are fixedly arranged in the heating plate, and a plurality of heat conducting plates are laid flat on the heating plate at intervals.

[0019] Furthermore, two positioning pins are fixedly provided on the diagonal lines of the upper surface of the heating plate, and the support frame is provided with guide holes matching the positions of the positioning pins on the heating plate, and the positioning pins and the guide holes cooperate to complete the positioning of the fixture.

[0020] Compared with the prior art, the utility model has the following beneficial effects:

[0021] The heating component of the utility model is installed in the drying chamber, and the clamp is separately arranged from the heating component. When in use, the clamp is placed on the heating component, and the clamp is provided with a plurality of accommodating cavities for accommodating lithium batteries. The clamp and the heating component are separately arranged, which reduces the weight of the clamp. The heating component is directly installed in the drying shell, and there is no need to arrange a plurality of terminals connected to the heating component in the drying chamber, thereby avoiding vacuum discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a structural diagram of the lithium battery drying device provided in this embodiment;

[0023] Figure 2 is an isometric view of the clamp provided in this embodiment;

[0024] Figure 3 is a top view of the clamp provided in this embodiment;

[0025] Figure 4 It is a structural diagram of the heating component provided in this embodiment.

[0026] In the figure, 1-drying shell; 2-sealing door; 3-heating assembly; 31-heating plate; 32-heat conducting plate; 33-heating strip; 34-locating pin; 4-clamp; 41-first vertical plate; 42-second vertical plate; 43-support rod; 44-screw; 45-adjusting sleeve; 46-dividing strip; 47-single-side dividing block; 48-double-side dividing block. DETAILED DESCRIPTION

[0027] The utility model is further described below in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the utility model, and cannot be used to limit the protection scope of the utility model.

[0028] It should be noted that in the description of the present invention, the directions or positional relationships indicated by the terms "front", "rear", "left", "right", "up", "down", "inside", "outside", etc. are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention rather than requiring that the present invention must be constructed and operated in a specific direction, and therefore cannot be understood as limiting the present invention. The terms "front", "rear", "left", "right", "up", and "down" used in the description of the present invention refer to the directions in the accompanying drawings, and the terms "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively.

[0029] Example 1

[0030] like Figures 1 to 4 As shown, a lithium battery drying device comprises a drying shell 1, a heating component 3 and a clamp 4. The drying shell 1 is provided with a drying cavity and a sealing door 2 for sealing the drying cavity. The drying shell 1 cooperates with the sealing door 2 to form a closed space in the drying cavity. The drying cavity is connected to a vacuum component, and the heating component 3 is installed in the drying cavity. Figure 4 As shown, the heating assembly 3 includes a heating plate 31 , a heat conducting plate 32 and heating strips 33 , a plurality of heating strips 33 are fixedly disposed in the heating plate 31 , and a plurality of heat conducting plates 32 are laid flat on the heating plate 31 at intervals.

[0031] The clamp 4 is separately arranged from the heating component 3, and when in use, the clamp 4 is placed on the heating component 3; Figure 2 and Figure 3 As shown, the clamp 4 includes two first vertical plates 41 arranged in parallel and spaced apart and two second vertical plates 42 arranged in parallel and spaced apart; the two first vertical plates 41 and the two second vertical plates 42 are spliced ​​to form a rectangular support frame; two positioning pins 34 are fixedly provided on the diagonal of the upper surface of the heating plate 31, and the top of the positioning pin 34 is conical and has a positioning and guiding function, and the support frame is provided with a guide hole matching the position of the positioning pin 34 on the heating plate 31, and the positioning pin 34 and the guide hole cooperate to complete the positioning of the clamp 4.

[0032] A plurality of support rods 43 are arranged in parallel and at intervals in the support frame; the support rods 43 are used to support lithium batteries; the support rods 43 are arranged at the bottom of the support frame; there is a gap between each heat conducting plate 32 in the heating assembly 3, and when the clamp 4 is placed on the heating assembly 3, the support rods 43 are located in the gap between the two heat conducting plates 32, so that the heat conducting plates 32 and the lithium batteries are in direct contact, which improves the drying effect of the lithium batteries. When the lithium battery model changes, the relative positions of the heat conducting plates 32 and the support rods 43 remain unchanged, so there is no need to replace the heat conducting plates 32 and the support rods 43, which is conducive to simplifying the adjustment process of the clamp. A plurality of recesses are arranged on the first vertical plate 41; the two ends of the support rod 43 are respectively fixed to the recesses on the two first vertical plates 41.

[0033] Example 2

[0034] like Figures 1 to 4 As shown, a lithium battery drying device comprises a drying shell 1, a heating component 3 and a clamp 4. The drying shell 1 is provided with a drying cavity and a sealing door 2 for sealing the drying cavity. The drying shell 1 cooperates with the sealing door 2 to form a closed space in the drying cavity. The drying cavity is connected to a vacuum component, and the heating component 3 is installed in the drying cavity. Figure 4As shown, the heating assembly 3 includes a heating plate 31 , a heat conducting plate 32 and heating strips 33 , a plurality of heating strips 33 are fixedly disposed in the heating plate 31 , and a plurality of heat conducting plates 32 are laid flat on the heating plate 31 at intervals.

[0035] The clamp 4 is separately arranged from the heating component 3, and when in use, the clamp 4 is placed on the heating component 3; Figure 2 and Figure 3 As shown, the clamp 4 includes two first vertical plates 41 arranged in parallel and spaced apart and two second vertical plates 42 arranged in parallel and spaced apart; the two first vertical plates 41 and the two second vertical plates 42 are spliced ​​to form a rectangular support frame; two positioning pins 34 are fixedly provided on the diagonal of the upper surface of the heating plate 31, and the top of the positioning pin 34 is conical and has a positioning and guiding function, and the support frame is provided with a guide hole matching the position of the positioning pin 34 on the heating plate 31, and the positioning pin 34 and the guide hole cooperate to complete the positioning of the clamp 4.

[0036] A plurality of support rods 43 are arranged in parallel and at intervals in the support frame; the support rods 43 are used to support lithium batteries; the support rods 43 are arranged at the bottom of the support frame; a gap is arranged between each heat conducting plate 32 in the heating assembly 3, and when the clamp 4 is placed on the heating assembly 3, the support rods 43 are located in the gap between the two heat conducting plates 32, so that the heat conducting plates 32 and the lithium batteries are in direct contact, which improves the drying effect of the lithium batteries. When the lithium battery model changes, the relative positions of the heat conducting plates 32 and the support rods 43 remain unchanged, so there is no need to replace the heat conducting plates 32 and the support rods 43, which is conducive to simplifying the adjustment process of the clamp. The two first vertical plates 41 are each provided with a plurality of recesses; the two ends of the support rod 43 are respectively fixed to the recesses on the two first vertical plates 41.

[0037] A plurality of screw rods 44 are arranged in parallel and at intervals in the support frame. The screw rods 44 are arranged above the support rods 43. The screw rods 44 and the support rods 43 are perpendicular to each other. The outer surface of the screw rods 44 is provided with threads. A plurality of first mounting holes matching the screw rods 44 are provided on the second vertical plate 42. The screw rods 44 are fixed to the second vertical plate 42 through the first mounting holes.

[0038] The screw rod 44 is provided with a plurality of adjustment sleeves 45, each of which is provided with a threaded hole matched with the screw rod 44, and the adjustment sleeves 45 are arranged on the screw rod 44 through the threaded hole; the adjustment sleeves 45 are distributed in a matrix in the support frame; each row of adjustment sleeves 45 is arranged on the same screw rod 44, and the adjustment sleeves 45 can rotate and move on the screw rod.

[0039] A dividing bar 46 is provided on each column of adjusting sleeves 45; four planes are evenly arranged on the outside of the adjusting sleeve 45, each plane is provided with a second mounting hole, and the adjusting sleeve 45 is mounted on the dividing bar 46 through the second mounting hole, and the plane of the adjusting sleeve 45 fits the dividing bar 46 to limit the rotation of the adjusting sleeve 45; an interlocking connection is formed between the dividing bar 46 and each adjusting sleeve 45 in the same column to fix the adjusting sleeve 45 on the screw 44.

[0040] A plurality of partition blocks are arranged on the partition bar 46, and a plurality of guide grooves for accommodating lithium batteries are opened on the partition blocks; the partition blocks are divided into single-sided partition blocks 47 and double-sided partition blocks 48; a guide groove is arranged on one side of the single-sided partition block 47; a guide groove is arranged on both sides of the double-sided partition block 48; the single-sided partition blocks 47 are distributed at both ends of the support frame, and a plurality of double-sided partition blocks 48 are arranged between two single-sided partition blocks 47; the single-sided partition blocks 47 and the double-sided partition blocks 48, the double-sided partition blocks 48 and the guide grooves on the double-sided partition blocks 48 are arranged relatively to form a accommodating cavity for lithium batteries.

[0041] When the partition bar 46 is interlocked and fixed with the adjustment sleeve 45, the lithium battery accommodating cavity formed in the clamp 4 is fixed, which is suitable for placing and fixing lithium batteries of a certain size; when the width of the lithium battery changes, only the single-side partition block 47 and the double-side partition block 48 need to be replaced, and when the length of the lithium battery changes, only the partition bar 46 needs to be removed, and the adjustment sleeve 45 on the screw 44 needs to be adjusted to a suitable position and then the partition bar 46 needs to be reinstalled. When both the length and width change, both can be adjusted at the same time.

[0042] The first vertical plate 41 has side ribs at the head and tail ends, and the ribs on both sides are arranged on the outside of the clamp 2. The clamp 2 is transported by forking the side ribs of the first vertical plate. The clamp and the heating component are separately arranged in this embodiment, which reduces the weight of the clamp; the heating plate is directly installed in the drying shell, and there is no need to set multiple terminals connected to the heating plate in the drying chamber, which avoids vacuum discharge. At the same time, the clamp is applicable to many battery models, easy to install and disassemble, and quick to change models. It is suitable for battery production lines of various sizes and specifications.

[0043] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. A lithium battery drying device, characterized in that: It comprises a drying shell, a heating component and a clamp, wherein the drying shell is provided with a drying cavity and a sealing door for sealing the drying cavity; the drying shell and the sealing door cooperate to form a closed space in the drying cavity, the drying cavity is connected with a vacuum pumping component, the heating component is installed in the drying cavity, the clamp is separately arranged from the heating component, and the clamp is placed on the heating component when in use, and the clamp is provided with a plurality of accommodating cavities for accommodating lithium batteries; The fixture comprises two first vertical plates arranged in parallel and spaced apart and two second vertical plates arranged in parallel and spaced apart; the two first vertical plates and the two second vertical plates are spliced ​​to form a support frame; a plurality of support rods are arranged in parallel and spaced apart in the support frame; the support rods are used to support the lithium battery; A plurality of screw rods are arranged in parallel and at intervals in the support frame, the outer surfaces of the screw rods are provided with threads, a plurality of first mounting holes matched with the screw rods are provided on the second vertical plate, and the screw rods are fixed on the second vertical plate through the first mounting holes.

2. The lithium battery drying device according to claim 1, characterized in that: The two first vertical plates are each provided with a plurality of recesses; the two ends of the support rod are respectively fixedly arranged in the recesses on the two first vertical plates.

3. The lithium battery drying device according to claim 1, characterized in that: The screw rod is provided with a plurality of adjustment sleeves, each of which is provided with a threaded hole matched with the screw rod, and the adjustment sleeve is arranged on the screw rod through the threaded hole; the adjustment sleeves are distributed in a matrix in the support frame; each row of adjustment sleeves is arranged on the same screw rod, and the adjustment sleeves can rotate and move on the screw rod.

4. The lithium battery drying device according to claim 3, characterized in that: A separator is provided on each row of adjusting sleeves; a plurality of planes are evenly arranged on the outside of the adjusting sleeves, each plane is provided with a second mounting hole, and the adjusting sleeves are mounted on the separator through the second mounting hole; an interlocking connection is formed between the separator and each adjusting sleeve in the same row so that the adjusting sleeves are fixed on the screw.

5. The lithium battery drying device according to claim 4, characterized in that: A plurality of partition blocks are arranged on the partition bar, a plurality of guide grooves for accommodating lithium batteries are opened on the partition blocks, and the guide grooves on the two partition blocks are arranged opposite to each other to form a accommodating cavity for the lithium batteries.

6. The lithium battery drying device according to claim 5, characterized in that: The partition blocks are divided into single-sided partition blocks and double-sided partition blocks; a guide groove is provided on one side of the single-sided partition block; guide grooves are provided on both sides of the double-sided partition block; the single-sided partition blocks are distributed at both ends of the support frame, and a plurality of double-sided partition blocks are arranged between the two single-sided partition blocks.

7. The lithium battery drying device according to claim 1, characterized in that: The first vertical plate has side ribs at the head and tail ends of the side surface, and the ribs on both sides are arranged on the outside of the clamp, and the clamp transfer is completed by forking the side ribs of the first vertical plate.

8. The lithium battery drying device according to claim 1, characterized in that: The heating assembly comprises a heating plate, a heat conducting plate and heating strips, a plurality of heating strips are fixedly arranged in the heating plate, and a plurality of heat conducting plates are laid flat on the heating plate at intervals.

9. The lithium battery drying device according to claim 8, characterized in that: Two positioning pins are fixedly arranged at the diagonal lines of the upper surface of the heating plate, and the support frame is provided with guide holes matching the positions of the positioning pins on the heating plate, and the positioning pins and the guide holes cooperate to complete the positioning of the fixture.

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