Vacuum baking equipment

Abstract

The present application discloses a vacuum baking device, which relates to the field of battery processing technology. The vacuum baking device includes a shell, a vacuum component, a sleeve, a movable part and a driving component. The movable part is hollow inside, and a partition plate is arranged on the inner wall of the movable part. The partition plate is used to separate the inside of the movable part into a first space and a second space. The first space can be connected to the accommodating cavity, and the second space is connected to the outside. A probe is arranged on the partition plate, and the two ends of the probe are respectively located in the first space and the second space. The driving component is used to drive the movable part to abut or separate from the fixed part. When the end of the movable part abuts against the fixed part, the fixed part closes the first space, and the probe is connected to the electrical connector. Because there is still air in the first space and the second space is connected to the outside, the probe can work under normal conditions, avoiding vacuum discharge phenomenon in the probe during operation, and ensuring that the vacuum baking device can work normally.

Description

Technical Field

[0001] The present application relates to the field of battery processing technology, and in particular to a vacuum baking device. Background Art

[0002] Moisture has a very important impact on the performance of lithium batteries. During the production process of lithium batteries, the humidity of the environment and the water content of the battery must be strictly controlled.

[0003] Under current process conditions, a vacuum baking machine is generally used to control the water content of the battery before the battery is injected with liquid, and the battery is dried by the vacuum baking machine. The vacuum baking machine usually requires a probe to electrically connect the heating plate to the external circuit, but since the vacuum baking machine needs to evacuate the battery first, the battery is baked in a vacuum environment, which also puts the probe in a vacuum environment, so that vacuum discharge may occur in the probe during operation, affecting the normal operation of the vacuum baking machine. Summary of the invention

[0004] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a vacuum baking device, which can avoid vacuum discharge phenomenon of the probe during operation and ensure that the vacuum baking device can work normally.

[0005] The vacuum baking equipment according to the application includes: a shell, the shell is provided with a accommodating cavity, an opening and a fixing part, the fixing part is arranged in the accommodating cavity; the fixing part is provided with an electrical connecting part arranged opposite to the opening on the side of the fixing part facing the opening; a vacuum component, the vacuum component is used to evacuate the accommodating cavity; a sleeve, the sleeve is arranged at the opening; a movable part, the movable part is slidably arranged in the sleeve; the movable part is hollow inside, and a partition plate is provided on the inner wall of the movable part, the partition plate is used to separate the inside of the movable part into a first space and a second space, the first space can be connected to the accommodating cavity, and the second space is connected to the outside; a probe is provided on the partition plate, and the two ends of the probe are respectively located in the first space and the second space; a driving component, the driving component is used to drive the movable part to abut or separate from the fixing part, when the end of the movable part abuts against the fixing part, the fixing part closes the first space, and the probe is connected to the electrical connecting part.

[0006] The vacuum baking device according to the embodiment of the present application has at least the following beneficial effects: the partition plate on the inner wall of the movable part separates the inside of the movable part into a first space and a second space, the partition plate can prevent gas exchange between the first space and the second space, the first space can be connected to the accommodating chamber, and the second space is connected to the outside; the sleeve is arranged at the opening, the movable part is slidably arranged in the sleeve, the sleeve is used to limit the moving direction of the movable part, and the opening can be closed by the sleeve and the movable part to prevent the accommodating chamber from being connected to the outside through the opening; when there is still air in the accommodating chamber, the movable part is located on the side away from the fixed part, the first space is connected to the accommodating chamber, and the driving component drives The movable part is moved close to the fixed part until the end of the movable part abuts against the fixed part, and the first space is closed by the fixed part so that air exists in the first space, and the electrical connector is wrapped in the first space so that the probe is electrically connected to the electrical connector; the accommodating cavity is then evacuated by the vacuum component so that the battery in the accommodating cavity is in a vacuum environment. Since the fixed part separates the first space from the accommodating cavity, gas exchange between the first space and the accommodating cavity is avoided. Since there is still air in the first space and the second space is connected to the outside world, the probe can work under normal conditions, avoiding vacuum discharge during the operation of the probe, thereby ensuring that the vacuum baking equipment can work normally.

[0007] According to some embodiments of the present application, the driving assembly includes a driving cylinder, which is disposed in the second space and connected to the movable part and the sleeve.

[0008] According to some embodiments of the present application, the electrical connector includes a fixing seat, a steel column and an aviation plug, the fixing seat is arranged on a side of the fixing member close to the opening, the steel column is arranged on the fixing seat, and the aviation plug is arranged on a side of the fixing member away from the opening and is electrically connected to the steel column.

[0009] According to some embodiments of the present application, a sealing ring is provided on the inner wall of the sleeve and / or the side wall of the movable part.

[0010] According to some embodiments of the present application, a sealing ring is provided at the portion where the movable part abuts against the fixed part.

[0011] According to some embodiments of the present application, a gasket is provided on the shell near the opening; a flange structure is provided on one side of the sleeve near the accommodating cavity, and the flange structure is located in the accommodating cavity and abuts against the gasket.

[0012] According to some embodiments of the present application, a lifting member is provided on a side of the flange structure away from the pad.

[0013] According to some embodiments of the present application, the partition plate and the movable part are integrally formed.

[0014] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above or additional aspects and advantages of the present application will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0016] Figure 1 A cross-sectional view of a vacuum baking device according to an embodiment of the present application;

[0017] Figure 2 for Figure 1 A partial enlarged view of the vacuum baking equipment in area A;

[0018] Figure 3 for Figure 1 Schematic diagram of the connection structure of the movable parts and sleeve of the vacuum baking equipment.

[0019] Reference numerals:

[0020] Shell 100; accommodating cavity 110; fixing part 120; electrical connector 130; fixing seat 131; copper column 132; aviation plug 133; pad 140; movable part 200; probe 210; partition plate 220; first space 221; second space 222; driving assembly 300; driving cylinder 310; first connecting block 410; second connecting block 420; sealing ring 500; sleeve 600; flange structure 610; pulling member 620. DETAILED DESCRIPTION

[0021] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0022] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, left, right, front, back, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0023] In the description of this application, if there is a description of first or second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0024] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0025] Reference below Figures 1 to 3 A vacuum baking device according to an embodiment of the present application is described.

[0026] like Figures 1 to 3 As shown, the vacuum baking device according to the embodiment of the present application includes a shell 100, a vacuum component, a sleeve 600, a movable part 200 and a driving component 300; the shell 100 is provided with a receiving cavity 110, an opening and a fixing part 120, and the fixing part 120 is arranged in the receiving cavity 110; the fixing part 120 is provided with an electrical connection part 130 arranged opposite to the opening on the side facing the opening; the vacuum component is used to evacuate the receiving cavity 110; the sleeve 600 is arranged at the opening; the movable part 200 is slidably arranged in the sleeve 600; the movable part 200 is hollow inside, and a partition plate 230 is arranged on the inner wall of the movable part 200 20, the partition plate 220 is used to separate the interior of the movable part 200 into a first space 221 and a second space 222, the first space 221 can be connected to the accommodating cavity 110, and the second space 222 is connected to the outside; a probe 210 is arranged on the partition plate 220, and the two ends of the probe 210 are respectively located in the first space 221 and the second space 222; the driving component 300 is used to drive the movable part 200 to abut or separate from the fixed part 120, when the end of the movable part 200 abuts against the fixed part 120, the fixed part 120 closes the first space 221, and the probe 210 is connected to the electrical connector 130.

[0027] The partition plate 220 on the inner wall of the movable part 200 separates the inside of the movable part 200 into a first space 221 and a second space 222. The partition plate 220 can prevent gas exchange between the first space 221 and the second space 222. The first space 221 can be connected to the accommodating chamber 110, while the second space 222 is connected to the outside world. The sleeve 600 is arranged at the opening, and the movable part 200 is slidably arranged in the sleeve 600. The sleeve 600 is used to limit the moving direction of the movable part 200, and the opening can be closed by the sleeve 600 and the movable part 200 to prevent the accommodating chamber 110 from being connected to the outside world through the opening. When there is still air in the accommodating chamber 110, the movable part 200 is located on the side away from the fixed part 120, the first space 221 is connected to the accommodating chamber 110, and the driving component 300 drives the movable part 200 to approach The fixing part 120 is used until the end of the movable part 200 abuts against the fixing part 120, and the first space 221 is closed by the fixing part 120, so that air exists in the first space 221, and the electrical connector 130 is wrapped in the first space 221, so that the probe 210 is electrically connected to the electrical connector 130; and the accommodating chamber 110 is evacuated by the vacuum component, so that the battery in the accommodating chamber 110 is in a vacuum environment. Since the fixing part 120 separates the first space 221 from the accommodating chamber 110, gas exchange between the first space 221 and the accommodating chamber 110 is avoided. Since there is still air in the first space 221, the second space 222 is connected to the outside world, so that the probe 210 can work under normal conditions, and vacuum discharge phenomenon of the probe 210 during operation is avoided, thereby ensuring that the vacuum baking equipment can work normally.

[0028] Reference Figure 2 and Figure 3 In some embodiments of the present application, the driving assembly 300 includes a driving cylinder 310 , which is disposed in the second space 222 and connected to the movable part 200 and the sleeve 600 .

[0029] The driving cylinder 310 is used to drive the movable part 200 to approach or move away from the fixed part 120, so that the end surface of the movable part 200 close to the fixed part 120 abuts against the fixed part 120; specifically, the fixed part 120 is a fixed plate, and the movable part 200 is a cylinder. The driving cylinder 310 can drive the top of the cylinder to abut against the bottom of the fixed plate, so that the fixed plate can close the first space 221 located at the top of the cylinder.

[0030] The driving cylinder 310 is located in the second space 222 of the movable part 200. The movable part 200 can protect the driving cylinder 310 in the second space 222 to ensure that the driving cylinder 310 can work normally. Specifically, two driving cylinders 310 are provided, and the two driving cylinders 310 are arranged opposite to each other to smoothly drive the movable part 200 to move. According to the specific situation, one or more driving cylinders 310 can be provided.

[0031] Specifically, the movable part 200 is provided with a first connecting block 410 at the connecting port of the first space 221, and a second connecting block 420 is provided on the side of the sleeve 600 away from the fixed part 120. The driving cylinder 310 includes a cylinder body and a piston rod. The bottom of the cylinder body is connected to the first connecting block 410, and the piston rod is connected to the cylinder body and penetrates through the first connecting block 410 and is connected to the second connecting block 420; the first connecting block 410 and the second connecting block 420 are arranged opposite to each other, and the driving cylinder 310 drives the movable part 200 away from the fixed part 120 until the first connecting block 410 and the second connecting block 420 abut against each other, so as to limit the sliding distance of the movable part 200 and prevent the movable part 200 from slipping out of the sleeve 600.

[0032] Reference Figure 1 and Figure 2 In some embodiments of the present application, the electrical connector 130 includes a fixing seat 131, a copper column 132 and an aviation plug 133. The fixing seat 131 is arranged on a side of the fixing member 120 close to the opening, the copper column 132 is arranged on the fixing seat 131, and the aviation plug 133 is arranged on a side away from the fixing seat 131 and is electrically connected to the copper column 132.

[0033] The fixing seat 131 is located on the side of the fixing part 120 close to the opening. The fixing seat 131 is provided with a placement space for placing the copper column 132. The plug-in end of the copper column 132 faces the side of the opening. The plug-in end of the copper column 132 is used to connect with the probe 210. The aviation plug 133 is arranged on the side of the fixing part 120 away from the opening. The aviation plug 133 is electrically connected to the copper column 132 and is electrically connected to other working parts in the vacuum baking equipment.

[0034] Specifically, the first space 221 is arranged at the top of the movable part 200 and is cylindrical, and the fixed seat 131 is also cylindrical. The height of the fixed seat 131 is less than the depth of the first space 221, so that after the movable part 200 and the fixed part 120 are abutted, the fixed seat 131 can avoid contact with the inner wall of the first space 221; the diameter of the fixed seat 131 is also smaller than the diameter of the first space 221 to avoid contact between the fixed seat 131 and the side wall of the first space 221, ensuring that after the movable part 200 and the fixed part 120 are abutted, the movable part 200 can cover the fixed seat 131 through the first space 221, ensuring that the probe 210 and the copper column 132 are normally connected, and a certain amount of space can be left in the first space 221 to retain air; wherein the copper column 132 and the probe 210 are both provided in plurality and arranged correspondingly.

[0035] Reference Figure 2 In some embodiments of the present application, a sealing ring 500 is provided on the inner wall of the sleeve 600 and / or the side wall of the movable part 200 .

[0036] The movable part 200 can slide in the sleeve 600. Since the movable part 200 and the sleeve 600 need to cover the opening of the shell 100, the movable part 200 and the sleeve 600 are tightly fitted to avoid gas exchange between the accommodating chamber 110 and the outside through the gap between the movable part 200 and the sleeve 600; specifically, a sealing ring 500 is provided on the inner wall of the sleeve 600 to improve the airtightness of the accommodating chamber 110; it can be understood that a plurality of sealing rings 500 can be provided, and a sealing ring 500 can also be provided on the side wall of the movable part 200.

[0037] Reference Figure 2 In some embodiments of the present application, a sealing ring 500 is provided at the portion where the movable member 200 abuts against the fixed member 120. The sealing ring 500 is provided at the end surface of the movable member 200 close to the fixed member 120, and after the movable member 200 abuts against the fixed member 120, the airtightness of the first space 221 can be improved.

[0038] Reference Figure 2 and Figure 3 In some embodiments of the present application, a gasket 140 is provided near the opening of the shell 100 ; a flange structure 610 is provided on one side of the sleeve 600 near the accommodating cavity 110 , and the flange structure 610 is located in the accommodating cavity 110 and abuts against the gasket 140 .

[0039] Specifically, the sleeve 600 is installed at the bottom of the shell 100, and the flange structure 610 of the sleeve 600 is located in the accommodating cavity 110 and abuts against the gasket 140 of the accommodating cavity 110. The flange structure 610 is used to limit the position of the sleeve 600 to prevent the sleeve 600 from slipping from the opening, and the gasket 140 is used to prevent the flange structure 610 from directly contacting the inner wall of the shell 100 to reduce the damage of the sleeve 600 to the inner wall of the shell 100; wherein, the contact portion between the sleeve 600 and the gasket 140 is provided with a sealing ring 500 to improve the air tightness between the sleeve 600 and the gasket 140.

[0040] Reference Figure 2 and Figure 3 In some embodiments of the present application, a lifting member 620 is provided on one side of the flange structure 610 away from the backing plate 140. The lifting member 620 is used to facilitate installation and removal of the backing plate 140 and reduce the difficulty of installation and removal of the sleeve 600. Specifically, two lifting members 620 are provided, and the two lifting members 620 are arranged opposite to each other, so that the operator can move the sleeve 600 conveniently.

[0041] Reference Figure 1 and Figure 2 In some embodiments of the present application, the partition plate 220 and the movable part 200 are integrally formed.

[0042] For the convenience of processing, the partition plate 220 and the movable part 200 are integrally formed; a plurality of through holes are provided on the partition plate 220, and the probe 210 is passed through the through holes, so that the two ends of the probe 210 are respectively located in the first space 221 and the second space 222.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", or "some examples" 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 application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0044] Although the embodiments of the present application have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present application, and that the scope of the present application is defined by the claims and their equivalents.

Claims

1. Vacuum baking equipment, characterized in that, include: A housing, wherein the housing is provided with a receiving cavity, an opening and a fixing member, wherein the fixing member is arranged in the receiving cavity; and an electrical connecting member arranged opposite to the opening is arranged on a side of the fixing member facing the opening; A vacuum component, the vacuum component is used to evacuate the containing cavity; a sleeve, wherein the sleeve is disposed at the opening; A movable member, the movable member is slidably disposed in the sleeve; the movable member is hollow inside, a partition plate is disposed on the inner wall of the movable member, the partition plate is used to separate the inside of the movable member into a first space and a second space, the first space can be connected to the accommodating cavity, and the second space is connected to the outside; a probe is disposed on the partition plate, and two ends of the probe are respectively located in the first space and the second space; A driving assembly, wherein the driving assembly is used to drive the movable part to abut or separate from the fixed part. When the end of the movable part abuts against the fixed part, the fixed part closes the first space, and the probe is connected to the electrical connector; the driving assembly includes a driving cylinder, which is arranged in the second space and connected to the movable part and the sleeve; the movable part is provided with a first connecting block at the connecting port of the first space, and a second connecting block is provided on the side of the sleeve away from the fixed part. The driving cylinder includes a cylinder body and a piston rod, the bottom of the cylinder body is connected to the first connecting block, and the piston rod is connected to the cylinder body and is passed through the first connecting block and connected to the second connecting block; the first connecting block and the second connecting block are arranged opposite to each other, and the driving cylinder drives the movable part away from the fixed part until the first connecting block abuts against the second connecting block to limit the sliding distance of the movable part and prevent the movable part from slipping out of the sleeve.

2. The vacuum baking equipment according to claim 1, characterized in that: The electrical connector includes a fixing seat, a copper column and an aviation plug. The fixing seat is arranged on a side of the fixing member close to the opening, the copper column is arranged on the fixing seat, and the aviation plug is arranged on a side of the fixing member away from the opening and is electrically connected to the copper column.

3. The vacuum baking equipment according to claim 1, characterized in that: A sealing ring is arranged on the inner wall of the sleeve and / or the side wall of the movable part.

4. The vacuum baking equipment according to claim 1, characterized in that: A sealing ring is provided at the portion where the movable part abuts against the fixed part.

5. The vacuum baking equipment according to claim 1, characterized in that: The shell is provided with a gasket near the opening; the sleeve is provided with a flange structure on one side near the accommodating cavity, and the flange structure is located in the accommodating cavity and abuts against the gasket.

6. The vacuum baking equipment according to claim 5, characterized in that: A lifting member is arranged on a side of the flange structure away from the backing plate.

7. The vacuum baking equipment according to claim 1, characterized in that: The partition plate and the movable member are integrally formed.

Images