阅读说明：本技术 插阀方法 (Valve insertion method ) 是由 邱立国 陈忠旭 于 2020-05-08 设计创作，主要内容包括：本发明公开了一种插阀方法,使用压合装置进行插阀,包括如下步骤：放置安全阀,将待插入的安全阀放置在电池注液孔的上方；移动部件,控制连接板运动,使得滑动套筒运动至注液孔上方；密封注液孔,控制滑动套筒下降,使得滑动套筒下端套设在待插入的安全阀周围并密封电池注液孔；抽取气体,控制外部抽气装置,抽取第一内腔中的空气,使得电池注液孔中的电解液气体依次通过第二内腔、第一内腔至外部抽气装置；压合安全阀,控制压阀杆下降,将待插入的安全阀压入注液孔；应用本发明的插阀方法,能够减少压合安全阀后电池鼓包的同时,防止电池内部进入空气。(The invention discloses a valve inserting method, which uses a pressing device to insert a valve and comprises the following steps: placing a safety valve, and placing the safety valve to be inserted above the battery liquid injection hole; the moving component controls the connecting plate to move so that the sliding sleeve moves to the position above the liquid injection hole; sealing the liquid injection hole, controlling the sliding sleeve to descend so that the lower end of the sliding sleeve is sleeved around the safety valve to be inserted and sealing the liquid injection hole of the battery; extracting gas, controlling an external air extraction device, and extracting air in the first inner cavity to enable electrolyte gas in the battery liquid injection hole to sequentially pass through the second inner cavity and the first inner cavity to the external air extraction device; pressing the safety valve, controlling the pressure valve rod to descend, and pressing the safety valve to be inserted into the liquid injection hole; by applying the valve inserting method provided by the invention, the battery bulge after the safety valve is pressed can be reduced, and air can be prevented from entering the battery.)

1. A valve inserting method is used for inserting a valve by a pressing device (400), and is characterized by comprising the following steps:

placing a safety valve, and placing the safety valve to be inserted above the battery liquid injection hole;

the moving component controls the connecting plate (200) to move, so that the sliding sleeve (450) moves to the position above the liquid injection hole;

sealing the liquid injection hole, controlling the sliding sleeve (450) to descend so that the lower end of the sliding sleeve (450) is sleeved on the periphery of the safety valve to be inserted and sealing the liquid injection hole of the battery;

extracting gas, controlling an external air extraction device, and extracting air in the first inner cavity to enable electrolyte gas in the battery liquid injection hole to sequentially pass through the second inner cavity and the first inner cavity to the external air extraction device;

pressing the safety valve, controlling the pressure valve rod (460) to descend, and pressing the safety valve to be inserted into the liquid injection hole;

the stitching device (400) comprises:

a connection plate (200) for docking the mobile device (600);

the fixed sleeve (420) is connected with the connecting plate (200), and the fixed sleeve (420) is provided with a first inner cavity communicated with an external air suction device;

a sliding sleeve (450) located in the first inner cavity and slidably connected to the fixed sleeve (420), the sliding sleeve (450) having a second inner cavity in communication with the first inner cavity, the second inner cavity capable of communicating with a safety valve;

a valve stem (460) partially located in the second interior cavity and connected to the connecting plate (200).

2. The valve insertion method according to claim 1, wherein the step of sealing the pour hole comprises: the sliding sleeve (450) is controlled to descend so that the seal ring (451) seals the gap between the sliding sleeve (450) and the battery.

3. A method of inserting a valve as claimed in claim 1, characterised in that the external gas extraction means extracts gas from the first lumen through a tubing connection (401) provided in the base (110).

4. The method of claim 1, wherein the step of placing a safety valve comprises: driving the connecting plate (200) to enable the grabbing rod (320) in the third inner cavity to move to the position above the grabbing position, and controlling the vacuum chuck (330) to suck the safety valve to be inserted;

after the vacuum sucker (330) sucks the safety valve to be inserted, the connecting plate (200) is driven, so that the grabbing rod (320) moves to the position above the battery liquid injection hole, and the sucking force of the vacuum sucker (330) is relieved.

5. The valve insertion method of claim 4, wherein the step of placing the safety valve further comprises a feeding step, the feeding step comprising:

controlling the first push block (132) to push the safety valve to the position above the positioning hole;

controlling the conveying block (150) to move below the positioning hole, so that the safety valve falls onto the conveying block (150) through the positioning hole;

and controlling the conveying block (150) to convey the safety valve falling onto the conveying block (150) to a grabbing position.

6. The valve insertion method of claim 5, wherein the feeding step comprises: and controlling the conveying block (150) to move below the positioning hole, and controlling the pressure valve device (141) to press downwards, so that the safety valve falls onto the conveying block (150) through the positioning hole.

7. The valve insertion method of claim 5, wherein the feeding step comprises controlling the second air cylinder (160) to transport the transport block (150) below the pilot hole.

8. The valve insertion method of claim 5, wherein the feeding step comprises: the first cylinder (131) is controlled to drive the first push block (132) to push the safety valve to the position above the positioning hole.

9. The method of claim 1, further comprising a step of detecting, the step of detecting comprising:

a positioning step, after the safety valve is pressed into the liquid injection hole, the connecting plate (200) is driven, so that the detection rod (520) is positioned right above the position of the plug to be detected;

detecting, namely controlling the detection rod (520) to descend for a specified distance after the detection rod (520) is positioned right above the position of the plug valve to be detected;

when the sensing device detects that the detection rod (520) generates vertical displacement relative to the sensing device, the detection rod (520) stops descending and sends out an alarm signal.

10. The valve insertion method of claim 9, wherein the detecting step further comprises: the lifting driving device is controlled to drive the sensing device and the detection rod (520) to descend for a specified distance together.

Technical Field

The invention relates to the field of lithium battery formation and grading, in particular to a valve inserting method.

Background

At present lithium cellization becomes partial volume in-process, need will pass through the battery that becomes, along with the transfer chain transports to the station of inserting the battery relief valve, insert the relief valve on the notes liquid hole of battery, prevent in the battery that the temperature is higher, the active electrolyte of chemical property volatilizees to the air in, lead to air pollution.

Insert the valve in-process at current relief valve, the inside electrolyte of battery often still is in comparatively active state, if do not handle the disect insertion relief valve, can lead to inside the battery to receive the gaseous effect of electrolyte volatilization, leads to the battery swell, influences follow-up use.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides a valve inserting method which can reduce battery bulge after the safety valve is pressed and prevent air from entering the battery.

The valve inserting method of the invention uses a pressing device to insert the valve, and comprises the following steps: placing a safety valve, and placing the safety valve to be inserted above the battery liquid injection hole; the moving component controls the connecting plate to move so that the sliding sleeve moves to the position above the liquid injection hole; sealing the liquid injection hole, controlling the sliding sleeve to descend so that the lower end of the sliding sleeve is sleeved around the safety valve to be inserted and sealing the liquid injection hole of the battery; extracting gas, controlling an external air extraction device, and extracting air in the first inner cavity to enable electrolyte gas in the battery liquid injection hole to sequentially pass through the second inner cavity and the first inner cavity to the external air extraction device; pressing the safety valve, controlling the pressure valve rod to descend, and pressing the safety valve to be inserted into the liquid injection hole; the laminating device comprises: the connecting plate is used for butting the mobile device; the fixed sleeve is connected with the connecting plate and is provided with a first inner cavity communicated with an external air exhaust device; the sliding sleeve is positioned in the first inner cavity and is in sliding connection with the fixed sleeve, the sliding sleeve is provided with a second inner cavity communicated with the first inner cavity, and the second inner cavity can be communicated with the safety valve; and the valve pressing rod is partially positioned in the second inner cavity and is connected with the connecting plate.

Further, the step of sealing the liquid injection hole includes: the sliding sleeve is controlled to descend so that the seal ring seals a gap between the sliding sleeve and the battery.

Further, the external gas-extracting device extracts gas in the first inner cavity through a pipe-connecting part arranged on the base.

Further, the step of placing the safety valve comprises: the connecting plate is driven to enable the grabbing rod in the third inner cavity to move to the position above the grabbing position, and the vacuum chuck is controlled to suck the safety valve to be inserted; after the vacuum chuck absorbs the safety valve to be inserted, the connecting plate is driven, so that the grabbing rod moves to the position above the battery liquid injection hole, and the suction force of the vacuum chuck is relieved.

Further, the step of placing the safety valve further comprises a feeding step, and the feeding step comprises: controlling the first push block to push the safety valve to the position above the positioning hole; controlling the conveying block to move below the positioning hole, so that the safety valve falls onto the conveying block through the positioning hole; and controlling the conveying block to convey the safety valve falling onto the conveying block to a grabbing position.

Further, the feeding step comprises: and controlling the conveying block to move below the positioning hole and controlling the pressure valve device to press down, so that the safety valve falls onto the conveying block through the positioning hole.

Further, the feeding step comprises controlling a second air cylinder to drive the conveying block to be conveyed below the positioning hole.

Further, the feeding step comprises: and controlling the first cylinder to drive the first push block to push the safety valve to the position above the positioning hole.

Further, the valve insertion method further comprises a detection step, wherein the detection step comprises: a positioning step, after the safety valve is pressed into the liquid injection hole, the connecting plate is driven, so that the detection rod is positioned right above the position of the plug to be detected; a detection step, namely controlling the detection rod to descend for a specified distance after the detection rod is positioned right above the position of the to-be-detected inserting valve; when the sensing device detects that the detection rod generates vertical displacement relative to the sensing device, the detection rod stops descending and an alarm signal is sent out.

Further, the detecting step further comprises: and controlling the lifting driving device to drive the sensing device and the detection rod to descend for a specified distance.

By applying the valve inserting method disclosed by the invention, when a valve is inserted, the sliding sleeve wraps the safety valve and the lower end of the sliding sleeve is abutted to the battery by controlling the connection plate to descend, then the external air exhaust device is controlled to extract gas in the first inner cavity, so that electrolyte volatile gas in the battery is extracted after passing through the second inner cavity and the first inner cavity in sequence, and then the connection plate is directly controlled to descend continuously, so that the safety valve is pressed into the liquid injection hole by the pressure valve rod in the second inner cavity, the gas is extracted firstly and then the valve is pressed in the whole pressing process, the swelling condition of the battery caused by electrolyte volatilization is effectively reduced, and meanwhile, the pressure pressing process is carried out in a vacuum pumping environment, so that the possibility of air entering the interior of the.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is an isometric view of a feed system according to an embodiment of the present invention;

FIG. 2 is an isometric view of a feed device according to an embodiment of the present invention;

FIG. 3 is a side view of a feeding device according to an embodiment of the present invention;

FIG. 4 is an isometric view of a stitching device, a grasping device, and an insertion valve detection device of an embodiment of the present invention;

FIG. 5 is a rear view of a press fitting device, a gripping device, and a valve insertion detection device according to an embodiment of the present invention;

FIG. 6 is a cut-away view taken along line A-A of FIG. 5;

FIG. 7 is a cut-away view of another embodiment of a bonding apparatus;

FIG. 8 is an isometric view of an embodiment of the present invention with the valve insertion apparatus omitted, the stitching device omitted, the grasping device omitted, and the valve insertion detection device omitted;

FIG. 9 is an isometric view of an alternate perspective of the valve insertion apparatus of the embodiment of the present invention;

FIG. 10 is a cross-sectional view of an insertion valve detection device according to an embodiment of the present invention;

fig. 11 is a sectional view of a laminating device according to an embodiment of the present invention;

FIG. 12 is a cross-sectional view of a grasping device according to an embodiment of the present invention;

the above figures contain the following reference numerals.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper, lower, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does 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 thus, should not be construed as limiting the present invention.

In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.