Air tightness detection device with oil scraping mechanism

Abstract

The utility model provides an air tightness detection device with an oil scraping mechanism, which comprises an air tightness detection device and an oil scraping mechanism, and is characterized in that the air tightness detection device is provided with at least one mounting block for mounting a battery shell; the oil scraping mechanism comprises an oil scraping assembly and a driving assembly, and the driving assembly is used for driving the oil scraping assembly to move parallel to the side face of the mounting block so as to scrape lubricating oil on the periphery of the mounting block; therefore, the situation that the installation sealing performance of the battery shell and the installation block becomes poor due to the fact that lubricating oil is solidified on the installation block for a long time is avoided, and the air tightness detection precision of the air tightness detection device on the battery shell is improved in an auxiliary mode.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery shell detection, in particular to a gas tightness detection device with an oil scraping mechanism. BACKGROUND

[0002] In the prior art, in the production process of battery shells, lubricating oil is added to assist production equipment in producing battery shells in order to ensure smoothness in production, and therefore lubricating oil remains in the formed battery shells.

[0003] When the battery shell is subsequently detected for gas tightness, the battery shell contacts the gas tightness detection device, and the lubricating oil on the battery shell remains on the gas tightness detection device. Over time, the lubricating oil accumulates on the gas tightness detection device, which affects the placement of the battery shell to be detected. For example, the accumulated lubricating oil solidifies to form fixed oil, which affects the sealing between the battery shell and the gas tightness detection device, thereby affecting the gas tightness detection result of the battery shell.

[0004] Therefore, there is room for further improvement in the prior art for handling the lubricating oil remaining on the gas tightness detection device from the battery shell. SUMMARY

[0005] Therefore, in view of the technical problem in the prior art that the lubricating oil in the battery shell remains on the gas tightness detection device and accumulates for a long time to affect the gas tightness detection effect of the battery shell, the present application provides a gas tightness detection device with an oil scraping mechanism, which can scrape off the lubricating oil remaining on the gas tightness detection device from the battery shell, thereby ensuring that the lubricating oil remaining on the gas tightness detection device from the battery shell does not accumulate, effectively ensuring the sealing of the battery shell when placed on the gas tightness detection device, ensuring the gas tightness detection precision and reducing the influence error.

[0006] The present application provides a gas tightness detection device with an oil scraping mechanism, comprising:

[0007] The gas tightness detection device has at least one mounting block for mounting the battery shell.

[0008] The oil scraping mechanism includes an oil scraping assembly and a driving assembly. The driving assembly is used to drive the oil scraping assembly to move parallel to the side surface of the mounting block to scrape off the lubricating oil on the outer periphery of the mounting block.

[0009] Compared with the prior art, the air tightness detection device with the oil scraping mechanism can scrape off the lubricating oil remaining on the mounting block of the air tightness detection device, the driving assembly can drive the oil scraping assembly to move parallel to the side surface of the mounting block, thereby scraping off the lubricating oil remaining on the periphery of the mounting block, and the sealing property of the battery shell and the mounting block is prevented from being deteriorated due to the solidification of the lubricating oil on the mounting block for a long time, thereby assisting in improving the detection precision of the air tightness detection device on the air tightness of the battery shell.

[0010] Preferably, the driving assembly comprises a driving member and a guide rail, the guide rail is arranged parallel to the side surface of the mounting block, and the guide rail is in sliding connection with the oil scraping assembly.

[0011] Preferably, the oil scraping assembly comprises a mounting bracket and an oil scraping member, the mounting bracket is connected with the driving assembly, and the oil scraping member is fixedly connected with the mounting bracket.

[0012] Preferably, the air tightness detection device further comprises a sealing ring and a mounting base, the mounting block is arranged on the mounting base, and the sealing ring is sleeved at the connecting position of the mounting block and the mounting base.

[0013] The bottom of the oil scraping member is attached to the upper end surface of the sealing ring, and the end surface of the oil scraping member close to the mounting block is attached to the mounting block.

[0014] Preferably, the oil scraping assembly comprises at least two first mounting brackets, and the two first mounting brackets are arranged in parallel and at intervals on opposite sides of the mounting block.

[0015] The driving assembly comprises a first driving member and a first guide rail, the first guide rail is arranged in parallel at the bottom of the first mounting bracket, and the first driving member is connected with the first mounting bracket.

[0016] Preferably, the oil scraping assembly comprises at least two second mounting brackets, and the two second mounting brackets are arranged in parallel and at intervals on opposite sides of the mounting block.

[0017] The driving assembly comprises a second driving member and a second guide rail, the second guide rail is arranged in parallel at the bottom of the second mounting bracket, and the second driving member is connected with the second mounting bracket.

[0018] The length extension direction of the first guide rail is perpendicular to the length extension direction of the second guide rail.

[0019] Preferably, the oil scraping assembly comprises a first oil scraping member and a second oil scraping member, the first oil scraping member is arranged on the first mounting bracket, and the second oil scraping member is arranged on the second oil scraping member.

[0020] The bottom of the first oil scraping member is flush with the bottom of the second oil scraping member.

[0021] Preferably, the mounting block comprises a first side and a second side, the first side and the second side are vertically arranged adjacent to each other, and the two first sides are parallelly arranged at both ends of the two parallelly arranged second sides.

[0022] The driving stroke of the first driving member to the first mounting bracket is greater than the length of the first side, and the driving stroke of the second driving member to the second mounting bracket is greater than the length of the second side.

[0023] Preferably, the oil scraping member comprises a scraper and a mounting support, and the mounting support is arranged on the mounting bracket.

[0024] The scraper is mounted on the mounting support, and at least part of the scraper protrudes from the mounting support towards one side of the mounting block.

[0025] Preferably, the scraper is made of soft rubber material.

[0026] Preferably, the bottom of the mounting support is provided with a mounting groove for mounting the scraper, and the length of the scraper is greater than the depth of the mounting groove.

[0027] Preferably, the scraper comprises a mounting portion and an oil scraping portion, the mounting portion is arranged in the mounting groove, the width of the mounting portion is L1, the width of the oil scraping portion is L2, and the width of the mounting groove is L3, L1>L3≥L2.

[0028] The gas tightness detection device with an oil scraping mechanism has at least the following technical effects:

[0029] 1. By arranging the oil scraping mechanism to scrape off the lubricating oil on the periphery of the mounting block, the residual lubricating oil on the battery shell can be avoided from accumulating on the mounting block, the installation and sealing effect of the battery shell and the mounting block is ensured, and the detection accuracy of the gas tightness detection device is ensured.

[0030] 2. By arranging the driving assembly and the oil scraping assembly, the driving assembly is connected with the oil scraping assembly, and the driving assembly can drive the oil scraping assembly to be parallel to the side surface of the mounting block, so as to effectively scrape off the lubricating oil on the periphery of the mounting block.

[0031] 3. By arranging the first mounting bracket and the second mounting bracket, the two mounting brackets are vertically arranged, and each mounting bracket is respectively provided with a corresponding driving assembly and an oil scraping member, so as to effectively scrape off the lubricating oil on the four surfaces of the mounting block.

[0032] 4. By arranging the scraper plate to be made of soft rubber material, the surface of the mounting block can be avoided from being scratched, and the gas tightness of the mounting block to the battery shell is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0033] Figure 1 is a perspective structural schematic view of the oil scraping mechanism in the air tightness detection device provided by an embodiment of the present application;

[0034] Figure 2 is a perspective schematic view of the cooperation between the oil scraping mechanism and the mounting block provided by an embodiment of the present application;

[0035] Figure 3 is a top view schematic view of the cooperation between the oil scraping mechanism and the mounting block provided by an embodiment of the present application;

[0036] Figure 4 is a partial A enlarged view of Figure 2 ;

[0037] Figure 5 is a partial B enlarged view of Figure 2 ;

[0038] Figure 6 is a partial C enlarged view of Figure 3 ;

[0039] Figure 7 is a partial D enlarged view of Figure 5 ;

[0040] Figure 8 is a perspective structural schematic view of the mounting support provided by an embodiment of the present application.

[0041] Reference signs: 1, air tightness detection device; 2, oil scraping mechanism;

[0042] 11, mounting block; 12, sealing ring; 13, mounting base; 111, first side surface; 112, second side surface;

[0043] 21, oil scraping assembly; 22, driving assembly;

[0044] 211, first mounting bracket; 212, second mounting bracket; 213, first oil scraping piece; 214, second oil scraping piece; 215, scraping plate; 216, mounting support; 217, first connecting bracket; 218, second connecting bracket;

[0045] 2151, mounting portion; 2152, oil scraping portion; 2161, mounting groove; 2162, top plate; 2163, side plate;

[0046] 221, first driving piece; 222, second driving piece; 223, first guide rail; 224, second guide rail. DETAILED DESCRIPTION

[0047] In order for those skilled in the art to better understand the technical solutions of the present disclosure, the present disclosure will be described in detail below in conjunction with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present disclosure and do not limit the present disclosure.

[0048] In the description of the present application, if the first, second are described for the purpose of distinguishing technical features, it cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features or the sequence of indicated technical features.

[0049] Those skilled in the art should understand that in the disclosure of the present application, the orientation or positional relationship indicated by the terms "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, therefore the above terms cannot be understood as a limitation of the present application.

[0050] The present application will be further described in detail below in conjunction with the drawings, see Figures 1 to 8 Description.

[0051] The present application provides a gas tightness detection device with an oil scraping mechanism, the gas tightness detection device 1 is used for detecting the gas tightness of the battery shell, the oil scraping mechanism 2 is arranged on the gas tightness detection device 1, which is used for scraping the lubricating oil remaining on the gas tightness detection device 1 of the battery shell, avoiding the condensation of the accumulated oil on the gas tightness detection device 1, so as to ensure the sealing effect of the gas tightness detection device 1 on the battery shell and improve the detection precision.

[0052] As Figures 1 to 3 shown, the gas tightness detection device 1 comprises a mounting mechanism, a mounting table and a suction and pressure mechanism, the mounting mechanism is mounted on the mounting table, the suction and pressure mechanism is communicated with the mounting mechanism, the mounting mechanism is used for mounting the battery shell and providing a pressure measuring space, and the negative pressure value in the pressure measuring space can be detected; the suction and pressure mechanism is used for creating a negative pressure test condition.

[0053] The mounting mechanism includes a mounting block 11, a mounting base 13 and a sealing ring 12, the mounting base 13 is mounted on the mounting table, the mounting block 11 is mounted on the mounting base 13, and the sealing ring 12 is sleeved at the connection between the mounting block 11 and the mounting base 13 to realize sealing between the mounting block 11 and the mounting base 13; specifically, the mounting block 11 is a rectangular block structure, which is basically similar to the battery shell structure, and slightly smaller than the battery shell, so that the battery shell can be sleeved on the mounting block 11; the mounting base 13 is a rectangular block structure, and the width and length of the mounting base 13 are greater than the width and length of the mounting block 11; the sealing ring 12 is a rectangular ring structure, which is sleeved at the bottom of the mounting block 11, and the length and width of the sealing ring 12 are greater than the length and width of the mounting block 11, and smaller than the length and width of the mounting base 13, so that the sealing ring 12 exceeds the outer periphery of the mounting block 11, and the mounting base 13 exceeds the outer periphery of the sealing ring 12, to ensure that the sealing ring 12 and the mounting block 11 can be fully placed on the mounting base 13, and to ensure the stable connection and sealing performance of the mounting mechanism to the battery shell.

[0054] As shown in Figure 5 , the mounting block 11 is provided with a gas passage, one end of the gas passage is opened on the side wall of the mounting block 11 and communicates with the inside of the battery shell, and the other end is opened on the bottom of the mounting block 11; the mounting base 13 is provided with a connecting passage, one end of the connecting passage is opened on the upper end surface of the mounting base 13 and communicates with the gas passage, and the other end is opened on the side end surface of the mounting base 13 and communicates with the pumping mechanism, so that a pressure measuring space is formed in the mounting mechanism and communicates with the inside of the battery shell, the pressure measuring space is formed by the inside of the battery shell and the passages in the mounting mechanism, and manual plugging is not required, at the same time, the battery shell is directly sleeved on the mounting block 11, direct pressure measurement can be performed in the battery shell, the mounting block 11 has a certain supporting effect on the structure of the battery shell, which can avoid extrusion deformation of the battery shell caused by negative pressure, reduce the probability of damage of the battery shell in the airtightness detection, and the operation is simple, without worrying about the problems of plugging and air leakage, which can reduce the interference factors in the detection and greatly improve the detection accuracy.

[0055] As shown in Figure 5 , the mounting block 11 includes a first side surface 111 and a second side surface 112, the first side surface 111 and the second side surface 112 are arranged adjacent to each other, and the included angle between the first side surface 111 and the second side surface 112 is 90°, that is, the first side surface 111 and the second side surface 112 are connected perpendicularly, and the first side surface 111 and the second side surface 112 are both two, the two first side surfaces 111 are arranged in parallel on both sides of the second side surface 112 to form a rectangular structure.

[0056] Specifically, as shown in Figures 2 to 6As shown, the oil scraping mechanism 2 includes an oil scraping component 21 and a drive component 22. The drive component 22 is mounted on the mounting platform. The oil scraping component 21 is connected to the drive component 22. The drive component 22 can drive the oil scraping component 21 to move parallel to the first side 111 and the second side 112 of the mounting block 11, thereby scraping off the lubricating oil on the outer periphery of the mounting block 11.

[0057] Among them, such as Figures 5 to 7 As shown, the drive assembly 22 includes a guide rail and a drive component. The bottom of the guide rail is fixedly connected to the mounting platform, and the guide rail is arranged parallel to the first side 111 and the second side 112 of the mounting block 11. The oil scraping assembly 21 includes a mounting bracket and an oil scraper. The mounting bracket is slidably connected to the upper end of the guide rail, and the drive assembly 22 is fixedly connected to the mounting bracket. The drive assembly 22 is used to drive the mounting bracket to move along the guide rail, while the oil scraper is detachably connected to the mounting bracket. The oil scraper is located on the side of the mounting bracket facing the first side 111 and the second side 112 of the mounting block 11. During the process of the mounting bracket driving the oil scraper to move along the guide rail, it comes into contact with the first side 111 and the second side 112 of the mounting block 11, thereby driving the lubricating oil on the first side 111 and the second side 112 to move until the oil scraper disengages from the first side 111 and the second side 112, and the lubricating oil carried away also disengages from the first side 111 and the second side 112.

[0058] Specifically, such as Figure 7 , Figure 8 As shown, the oil scraping component includes a scraper 215 and a mounting bracket 216. The mounting bracket 216 includes a top plate 2162 and a side plate 2163. At least one end of the top plate 2162 is connected to the side plate 2163, so that the mounting bracket 216 has an arched structure or an inverted L-shaped structure. The top plate 2162 of the mounting bracket 216 is connected to the mounting bracket by screws. The end of the top plate 2162 is perpendicularly connected to the side plate 2163, and the side plate 2163 extends toward the mounting platform. The scraper 215 is disposed on the side plate 2163 of the mounting bracket 216, and the side of the scraper 215 facing the mounting block 11 at least partially protrudes from the edge of the side plate 2163 of the mounting bracket 216, so that the scraper 215 can prevent the mounting bracket 216 from contacting the mounting block 11, thereby scraping off the lubricating oil on the mounting block 11.

[0059] In this embodiment, the scraper 215 is made of soft rubber material, which can avoid scratching the surface of the mounting block 11 and ensure the airtightness of the mounting block 11 to the battery casing.

[0060] Furthermore, such as Figure 7 , Figure 8As shown, the bottom of the mounting support 216 is provided with a mounting groove 2161 for mounting the scraper 215, the mounting groove 2161 is opened at the bottom of the side plate 2163, the depth of the mounting groove 2161 is less than the length of the scraper 215; perpendicular to the moving direction of the scraper 215, the length of the mounting groove 2161 is less than the length of the scraper 215, and the mounting groove 2161 is opened at both sides of the side plate 2163 to protrude from the side plate 2163 towards one side of the mounting block 11 for the scraper 215. As shown in Figure 8 As shown, the scraper 215 is a plate structure as a whole, the scraper 215 includes a mounting part 2151 and an oil scraping part 2152, the mounting part 2151 is connected with the oil scraping plate, the mounting part 2151 is arranged in the mounting groove 2161, the width of the mounting part 2151 is L1, the width of the oil scraping part 2152 is L2, the width of the mounting groove 2161 is L3, L1>L3≥L2, that is, the width of the mounting part 2151 is greater than the width of the mounting groove 2161, by arranging the mounting part 2151 in the mounting groove 2161, the clamping of the scraper 215 and the mounting groove 2161 can be achieved, and the scraper 215 can be prevented from falling out of the mounting groove 2161.

[0061] In the embodiment, the mounting part 2151 is a cylindrical structure with a diameter of L1, the oil scraping part 2152 is a plate structure, and the center lines of the mounting part 2151 and the oil scraping part 2152 are symmetrical in the radial direction of the mounting part 2151, that is, the oil scraping plate is a symmetrical structure. In addition, the mounting part 2151 can also be a straight column structure or other structures, as long as the clamping of the mounting part 2151 and the mounting groove 2161 can be achieved, and the specific structure is not limited.

[0062] When the scraper 215 scrapes the oil on the mounting block 11, as shown in Figure 5 Figure 7 As shown, because the sealing ring 12 is surrounded by the mounting block 11, the lubricating oil remaining on the mounting block 11 will gather near the connection between the mounting block 11 and the sealing ring 12 under the action of gravity; therefore, the bottom of the scraper 215 acts on the upper end surface of the sealing ring 12, and the end surface of the scraper 215 close to the mounting block 11 is attached to the side surface of the mounting block 11, so that when the scraper 215 moves along the side surface of the mounting block 11, the scraper 215 can simultaneously act on the side surface of the mounting block 11 and the upper end surface of the sealing ring 12, and the lubricating oil on the side surface of the mounting block 11 and the upper end surface of the sealing ring 12 can be taken away at the same time, so that the lubricating oil is prevented from adhering to the mounting block 11 or accumulating on the upper end of the sealing ring 12, and the influence of the remaining lubricating oil on the placement of the battery shell on the mounting block 11 is avoided as much as possible.

[0063] ​In another optional embodiment of the present application, the oil scraping assembly 21 comprises at least two first mounting brackets 211, and the driving assembly 22 comprises a first driving member 221 and a first guide rail 223; the first mounting bracket 211 is a straight column structure, and two first mounting brackets 211 are arranged in parallel and spaced apart on both sides of the first side surface 111 of the mounting block 11; as shown in Figure 2 、 Figure 3 illustrated, the two first mounting brackets 211 are arranged in the first direction, and the first direction is parallel to the first side surface 111, wherein the two first mounting brackets 211 are close to the first driving member 221, and a first connecting bracket 217 is arranged, the first connecting bracket 217 is a straight column structure, and the first connecting bracket 217 is perpendicular to the first mounting bracket 211, and the first connecting bracket 217 is arranged to realize linkage between the plurality of first mounting brackets 211; as shown in Figure 5 illustrated, the first guide rail 223 is arranged in parallel to the first mounting bracket 211, and among the two adjacent first mounting brackets 211, the first guide rail 223 is arranged at the bottom of one of them, and the other is connected with the first driving member 221; the first driving member 221 generates a pushing force parallel to the first direction, so as to push the first mounting bracket 211 to move.

[0064] Among them, the first driving member 221 has a first driving stroke to the first mounting bracket 211, and the first driving stroke is greater than the length of the first side surface 111, so as to ensure that the lubricating oil on the first side surface 111 can be completely scraped off.

[0065] Further, the oil scraping assembly 21 comprises at least two second mounting brackets 212, and the driving assembly 22 comprises a second driving member 222 and a second guide rail 224; the second mounting bracket 212 is a straight column structure, and two second mounting brackets 212 are arranged in parallel and spaced apart on both sides of the second side surface 112 of the mounting block 11; as shown in Figure 2 、 Figure 3 illustrated, the two second mounting brackets 212 are arranged in the second direction, and the second direction is parallel to the second side surface 112, wherein the two second mounting brackets 212 are close to the second driving member 222, and a second connecting bracket 218 is arranged, the second connecting bracket 218 is a straight column structure, and the second connecting bracket 218 is perpendicular to the second mounting bracket 212, and the second connecting bracket 218 is arranged to realize linkage between the plurality of second mounting brackets 212; as shown in Figure 4 illustrated, the second guide rail 224 is arranged in parallel to the second mounting bracket 212, and among the two adjacent second mounting brackets 212, the second guide rail 224 is arranged at the bottom of one of them, and the other is connected with the second driving member 222; the second driving member 222 generates a pushing force parallel to the second direction, so as to push the second mounting bracket 212 to move.

[0066] In the embodiment, the first direction is perpendicular to the second direction, that is, the length extension direction of the first guide rail 223 is perpendicular to the length extension direction of the second guide rail 224, and the first mounting bracket 211 is perpendicular to the second mounting bracket 212. The second drive member 222 has a second driving stroke on the second mounting bracket 212, and the second driving stroke is greater than the length of the second side surface 112, so as to ensure that the lubricating oil on the second side surface 112 can be completely scraped off.

[0067] As shown in Figure 3 , Figure 6 , the first mounting bracket 211 and the second mounting bracket 212 are staggered in the vertical direction, and in the embodiment, the first mounting bracket 211 is arranged at the upper end of the second mounting bracket 212; the oil scraping assembly 21 comprises a first oil scraping member 213 and a second oil scraping member 214, the first oil scraping member 213 is arranged on the first mounting bracket 211, and the second oil scraping member 214 is arranged on the second oil scraping member 214; as shown in Figure 6 , under the joint action of the first mounting bracket 211 and the second mounting bracket 212, a rectangular structure surrounding the mounting block 11 can be formed, and each mounting block 11 corresponds to two first oil scraping members 213 and two second oil scraping members 214, so as to scrape oil on the two first side surfaces 111 and the two second side surfaces 112 of the mounting block 11 respectively; wherein the bottom of the first oil scraping member 213 and the second oil scraping member 214 is flush.

[0068] In the embodiment, in order to ensure that the first mounting bracket 211 and the second mounting bracket 212 do not interfere during movement, as shown in Figure 4 , Figure 5 , the first guide rail 223 is arranged at the bottom of the front end of the first mounting bracket 211, and the second guide rail 224 is arranged at the bottom of the second mounting bracket 212, so as to reduce the interference between the two guide rails.

[0069] As shown in Figure 2 , Figure 3 , wherein the mounting block 11 is arranged in n rows, and each row comprises m, then the first mounting bracket 211 is arranged as (m+1) roots, and the second mounting bracket 212 is arranged as (n+1) roots, so as to ensure that the oil around each mounting block 11 can be scraped off; in the application, the mounting block 11 is arranged in two rows, and six are arranged in each row, then the first mounting bracket 211 is arranged as seven roots, and the second mounting bracket 212 is arranged as three roots.

[0070] It should be noted that in the application, the first drive member 221 and the second drive member 222 can be arranged as a pneumatic cylinder or an oil cylinder or an electric drive type drive member, as long as it can drive the first mounting bracket 211 and the second mounting bracket 212 to move along a straight line.

[0071] It should be noted that the embodiments of the present application can be combined into new embodiments as long as the technical solutions do not conflict and can coexist.

[0072] The above describes the present application in detail, and the principle and implementation of the present application are described by applying specific examples. The above description of the embodiments is only used to help understand the present application and the core idea. It should be pointed out that, for ordinary skilled persons in the technical field, some improvements and modifications can be made to the present application without departing from the principle of the present application, and these improvements and modifications also fall within the protection scope of the claims of the present application.

Claims

1. A gas tightness detecting device with an oil scraping mechanism, characterized by, The air tightness detection device (1) comprises at least one mounting block (11) for mounting a battery shell. The oil scraping mechanism (2) comprises an oil scraping assembly (21) and a driving assembly (22), and the driving assembly (22) is used for driving the oil scraping assembly (21) to move parallel to the side surface of the mounting block (11) to scrape off lubricating oil on the outer periphery of the mounting block (11).

2. The air tightness detection device with the oil scraping mechanism according to claim 1, wherein the driving assembly (22) comprises a driving member and a guide rail, the guide rail is arranged parallel to the side surface of the mounting block (11), the guide rail is in sliding connection with the oil scraping assembly (21), and the driving assembly (22) is used for driving the oil scraping assembly (21) to move along the guide rail.

3. The air tightness detection device with the oil scraping mechanism according to claim 2, wherein the oil scraping assembly (21) comprises a mounting bracket and an oil scraping member, the mounting bracket is connected with the driving assembly (22), and the oil scraping member is fixedly connected with the mounting bracket.

4. The air tightness detection device with the oil scraping mechanism according to claim 3, wherein the air tightness detection device (1) further comprises a sealing ring (12) and a mounting base (13), the mounting block (11) is arranged on the mounting base (13), and the sealing ring (12) is sleeved at the connecting position of the mounting block (11) and the mounting base (13); the bottom of the oil scraping member is attached to the upper end surface of the sealing ring (12), and the end surface of the oil scraping member close to the mounting block (11) is attached to the mounting block (11).

5. The air tightness detection device with the oil scraping mechanism according to claim 3, wherein the oil scraping assembly (21) comprises at least two first mounting brackets (211), and the two first mounting brackets (211) are arranged in parallel and at intervals on opposite sides of the mounting block (11); the driving assembly (22) comprises a first driving member (221) and a first guide rail (223), the first guide rail (223) is arranged in parallel at the bottom of the first mounting bracket (211), and the first driving member (221) is connected with the first mounting bracket (211).

6. The air tightness detection device with the oil scraping mechanism according to claim 5, wherein the oil scraping assembly (21) comprises at least two second mounting brackets (212), and the two second mounting brackets (212) are arranged in parallel and at intervals on opposite sides of the mounting block (11); the driving assembly (22) comprises a second driving member (222) and a second guide rail (224), the second guide rail (224) is arranged in parallel at the bottom of the second mounting bracket (212), and the second driving member (222) is connected with the second mounting bracket (212); wherein the length extension direction of the first guide rail (223) is perpendicular to the length extension direction of the second guide rail (224).

7. The air tightness detection device with the oil scraping mechanism according to claim 6, wherein ​ ​ ​ ​ ​ ​ The oil scraping assembly (21) comprises a first oil scraping piece (213) and a second oil scraping piece (214), the first oil scraping piece (213) is arranged on the first mounting bracket (211), and the second oil scraping piece (214) is arranged on the second oil scraping piece (214). The bottom of the first oil scraping piece (213) is flush with the bottom of the second oil scraping piece (214).

8. The air tightness detection device with the oil scraping mechanism according to claim 6, characterized in that, The mounting block (11) comprises a first side (111) and a second side (112), the first side (111) and the second side (112) are arranged vertically adjacent to each other, and the two first sides (111) are arranged in parallel at two ends of the two second sides (112) arranged in parallel. The driving stroke of the first driving piece (221) to the first mounting bracket (211) is greater than the length of the first side (111), and the driving stroke of the second driving piece (222) to the second mounting bracket (212) is greater than the length of the second side (112).

9. The air tightness detection device with the oil scraping mechanism according to claim 3, characterized in that, The oil scraping piece comprises a scraper (215) and a mounting support (216), and the mounting support (216) is arranged on the mounting bracket; The scraper (215) is arranged on the mounting support (216), and at least a part of the scraper (215) protrudes from the mounting support (216) towards one side of the mounting block (11); The scraper (215) is made of soft rubber material.

10. The air tightness detection device with the oil scraping mechanism according to claim 9, characterized in that, The mounting support (216) is provided with a mounting groove (2161) for mounting the scraper (215) at the bottom, and the length of the scraper (215) is greater than the depth of the mounting groove (2161); The scraper (215) comprises a mounting portion (2151) and an oil scraping portion (2152), the mounting portion (2151) is arranged in the mounting groove (2161), the width of the mounting portion (2151) is L1, the width of the oil scraping portion (2152) is L2, and the width of the mounting groove (2161) is L3, and L1>L3≥L2.

Images