Crimping dust extraction device for explosion-proof valve welding

Abstract

The utility model discloses a crimping dust extraction device for welding an explosion-proof valve, which comprises a matching frame arranged at the bottom of a limiting top frame plate, a dust extraction base arranged at the bottom of the matching frame, and a welding auxiliary pressing plate arranged at the bottom of the dust extraction base, the limiting top frame plate, the matched connection frame, the dust suction base and the welding auxiliary pressing plate are each provided with an avoiding channel allowing the welding end to penetrate through, the avoiding channel of the welding auxiliary pressing plate and the avoiding channel of the dust suction base form a communicated air suction space, and an annular air flow channel is formed in the dust suction base. The annular air flow channel is provided with an air receiving end connected with an air exhaust source and a plurality of air exhaust channels located in the air exhaust space. According to the utility model, through the design of the air exhaust space and the air exhaust position, the air exhaust efficiency is obviously improved, and the welding environment and the welding quality are guaranteed. Each carrying position is independently matched with one dust suction base, pertinence is high, and meanwhile disassembly, remodeling and air source butt joint are easy to achieve. Welding, locking and positioning of the battery cover plate and the anti-explosion valve can be achieved, and the welding quality is reliable and stable.

Description

Technical Field

[0001] The utility model relates to a crimping dust extraction device for explosion-proof valve welding, belonging to the technical field of explosion-proof valve welding dust extraction. Background Art

[0002] The power battery has a battery cover, which is also called a battery sealing plate. It is a thin-walled valve body and requires explosion-proof valve welding. When the internal pressure of the battery exceeds the specified value, the explosion-proof valve body ruptures to avoid battery explosion and other situations. The explosion-proof valve is generally welded by laser welding.

[0003] During the welding and assembly process of explosion-proof valves, a turnover fixture is generally used through the design of the welding station, and spot welding or circle welding is achieved through the lifting and displacement of the welding equipment. During the welding operation, welding fumes will be generated. On the one hand, the welding fumes will have an impact on the environment, and on the other hand, it will also affect the welding quality.

[0004] In traditional automated equipment, a lifting mechanism for lifting the turnover fixture and a turnover fixture positioning frame are provided at the welding station. The turnover fixture is lifted up by the lifting mechanism and connected to the turnover fixture positioning frame. The traditional dust extraction device uses a dust extraction hood covering the turnover fixture positioning frame to achieve docking. The dust extraction hood is provided with a window for avoiding the welding head and an exhaust channel connected to the exhaust source. Since the internal space of the dust extraction hood is very large, the suction efficiency is low, and welding operations generally require a certain efficiency, resulting in the turnover fixture being reset before the welding fume is fully extracted. Utility Model Content

[0005] The purpose of the utility model is to solve the deficiencies of the above-mentioned prior art, and to propose a crimping dust extraction device for explosion-proof valve welding in view of the problems that the traditional dust extraction space is large, the dust extraction part is far away from the welding part, and the dust extraction efficiency is low.

[0006] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0007] The crimping dust extraction device for explosion-proof valve welding is arranged on the explosion-proof valve welding production line, the explosion-proof valve welding production line is provided with a welding station and a battery cover plate fixture for passing through the welding station, the battery cover plate fixture is provided with at least one loading position, the welding station comprises a lifting mechanism with lifting displacement, a limit top frame plate located at the top of the lifting mechanism, and a welding end with lifting displacement located at the top of the limit top frame plate.

[0008] The crimping dust extraction device comprises a matching frame arranged at the bottom of the limit top frame plate, a dust extraction base arranged at the bottom of the matching frame and corresponding to the load position, and a welding auxiliary pressing plate arranged at the bottom of the dust extraction base. The limit top frame plate, the matching frame, the dust extraction base, and the welding auxiliary pressing plate are respectively provided with an avoidance channel for the welding end to pass through.

[0009] The avoidance channel of the welding auxiliary pressure plate and the avoidance channel of the dust extraction base form a connected exhaust space. The dust extraction base is provided with an annular air flow channel. The annular air flow channel is provided with an air receiving end connected to an exhaust source and a plurality of exhaust channels located in the exhaust space.

[0010] Preferably, an annular convexity is provided on the outer periphery of the top wall of the welding auxiliary pressure plate, and a matching annular gap is formed between the annular convexity, the top wall surface of the welding auxiliary pressure plate, and the bottom wall surface of the dust extraction base.

[0011] The annular air flow channel includes a plurality of air extraction channels located on the avoidance channel of the dust extraction base and a plurality of air extraction channels located on the bottom wall surface of the dust extraction base and facing the matching annular gap.

[0012] Preferably, the battery cover plate jig is provided with a battery cover plate body and an explosion-proof valve arranged on the battery cover plate body.

[0013] An auxiliary pressing ring is provided on the bottom wall of the welding auxiliary pressing plate and is used for pressing on the battery cover plate body and is located on the outer periphery of the explosion-proof valve.

[0014] Preferably, a plurality of pressing piles for pressing the battery cover plate body are provided on the bottom wall of the welding auxiliary pressing plate.

[0015] Preferably, the matching frame is detachably arranged on the limiting top frame plate, and the dust extraction base is detachably arranged on the matching frame.

[0016] Preferably, the battery cover plate jig is provided with two parallel loading positions, and the bottom of the matching frame is provided with two dust extraction bases corresponding to the loading positions one by one.

[0017] The limit top frame plate is provided with an air extraction source adapter, and the air receiving end of any dust extraction base is connected to the air extraction source adapter via a hose.

[0018] Preferably, the explosion-proof welding production line comprises two adjacent welding stations, the limiting top frame plates of the two welding stations are connected as one, and the exhaust source adapter is located between the two limiting top frame plates.

[0019] The beneficial effects of the utility model are mainly reflected in:

[0020] 1. Through the design of exhaust space and exhaust position, the exhaust efficiency is significantly improved, and the welding environment and welding quality are guaranteed.

[0021] 2. Each loading position is equipped with a dust extraction base, which is highly targeted and easy to disassemble, change and connect with the air source.

[0022] 3. It can realize the welding and locking of the battery cover and the explosion-proof valve, and the welding quality is reliable and stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Other features, objects and advantages of the present application will become more apparent by reading the detailed description of non-limiting embodiments made with reference to the following drawings:

[0024] Figure 1 The utility model is a schematic structural diagram of a crimping dust extraction device for explosion-proof valve welding mounted on a welding station.

[0025] Figure 2 The utility model is a structural schematic diagram of a crimping dust extraction device for explosion-proof valve welding.

[0026] Figure 3 The utility model is a schematic cross-sectional structure diagram of a crimping dust extraction device for explosion-proof valve welding.

[0027] Figure 4 The utility model is a schematic diagram of the top view of the structure of the crimping dust extraction device used for explosion-proof valve welding. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] The present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are only used to explain the relevant utility model, rather than to limit the utility model. It is also necessary to explain that, for ease of description, only the parts related to the relevant utility model are shown in the accompanying drawings. It should be noted that, in the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other.

[0030] The utility model provides a crimping dust extraction device for explosion-proof valve welding, such as Figures 1 to 4As shown, it is arranged on an explosion-proof valve welding production line, on which a welding station 100 and a battery cover plate jig 200 for passing through the welding station are provided, at least one loading position 300 is provided on the battery cover plate jig 200, the welding station 100 comprises a lifting mechanism 110 with a lifting displacement, a limiting top frame plate 120 located at the top of the lifting mechanism, and a welding end with a lifting displacement located at the top of the limiting top frame plate, and the illustration of the welding end is omitted in the accompanying drawings.

[0031] In this case, if Figures 2 to 4 As shown, the crimping dust extraction device includes a matching frame 1 arranged at the bottom of a limiting top frame plate, a dust extraction base 2 arranged at the bottom of the matching frame 1 and corresponding to the load position, and a welding auxiliary pressure plate 3 arranged at the bottom of the dust extraction base. The limiting top frame plate, the matching frame, the dust extraction base, and the welding auxiliary pressure plate are respectively provided with avoidance channels for the welding end to pass through.

[0032] The avoidance channel of the welding auxiliary pressure plate 3 and the avoidance channel of the dust extraction base 2 form a connected exhaust space 400. An annular airflow channel 20 is provided in the dust extraction base. The annular airflow channel 20 is provided with an air receiving end 21 connected to the exhaust source and a plurality of exhaust channels 22 located in the exhaust space.

[0033] Specific operation process and principle description:

[0034] The battery cover jig 200 is delivered to the welding station 100 by the automated conveyor line. When welding is performed at the welding station 100, the battery cover jig 200 is lifted by the lifting mechanism 110, so that the battery cover and explosion-proof valve thereon overlap and abut against the bottom wall of the welding auxiliary pressure plate 3. At this time, the battery cover and explosion-proof valve are limited.

[0035] The welding end passes through the limiting top frame plate, the matching frame, the dust extraction base, and the welding auxiliary pressure plate in sequence to reach the explosion-proof valve position, and spot welding or circle welding is performed around the explosion-proof valve in the avoidance channel.

[0036] The smoke generated by welding will be confined in the exhaust space 400 and will be sucked and discharged by the exhaust channel 22. The exhaust channel 22 is close to the welding part and the exhaust space 400 is confined, so the exhaust efficiency is greatly improved, which improves the welding working environment and indirectly improves the welding quality.

[0037] In a specific embodiment, an annular protrusion 31 is provided on the outer periphery of the top wall of the welding auxiliary pressure plate 3, and a matching annular gap 500 is formed between the annular protrusion, the top wall surface of the welding auxiliary pressure plate, and the bottom wall surface of the dust extraction base.

[0038] The annular air flow channel 20 includes a plurality of air extraction channels 22 located on the avoidance channel of the dust extraction base and a plurality of air extraction channels 22 located on the bottom wall surface of the dust extraction base and facing the matching annular gap.

[0039] That is, it satisfies the suction of the top periphery of the welding part and the suction of the horizontal periphery around the welding part. With such a design, the suction efficiency is more significantly improved, and the matching and positioning between the welding auxiliary pressure plate 3 and the dust extraction base is also more reliable.

[0040] In a specific embodiment, a plurality of guide grooves 600 are provided on the inner wall of the avoidance channel of the welding auxiliary pressing plate 3, and the guide grooves 600 satisfy the function of guiding the welding gas.

[0041] In a specific embodiment, the battery cover plate fixture 200 is provided with a battery cover plate body 201 and an explosion-proof valve 202 arranged on the battery cover plate body. The battery cover plate body 201 and the explosion-proof valve 202 belong to the prior art.

[0042] An auxiliary pressing ring 32 for pressing against the battery cover body and located at the periphery of the explosion-proof valve is provided on the bottom wall of the welding auxiliary pressing plate 3. A plurality of pressing piles 33 for pressing against the battery cover body are provided on the bottom wall of the welding auxiliary pressing plate.

[0043] Through the design of the auxiliary pressing ring 32 and the pressing pile 33, the positioning reliability of the battery cover plate body 201 and the explosion-proof valve 202 during welding is met, and the welding quality is significantly improved.

[0044] In a specific embodiment, the matching frame is detachably arranged on the limiting top frame plate, and the dust extraction base is detachably arranged on the matching frame.

[0045] Generally, bolts and other fasteners are used for detachable connection, and locks and other structures can also be used for mounting. As long as the structure can meet the requirements of detachable connection, it is within the scope of protection of this case. It should be noted that by replacing the structure to meet the needs of efficient changeover, the equipment utilization rate is relatively high.

[0046] In a specific embodiment, the battery cover plate 200 is provided with two parallel loading positions 300, the bottom of the matching frame is provided with two dust extraction bases corresponding to the loading positions, and the limiting top frame plate is provided with an exhaust source matching seat 4, and the air inlet end of any dust extraction base is connected to the exhaust source matching seat through a hose.

[0047] This design can meet the needs of separate air extraction for multiple load positions of 300, and the air source connection is convenient.

[0048] In a specific embodiment, the explosion-proof welding production line includes two adjacent welding stations, the two welding station limit top frame plates are connected as one, and the exhaust source adapter is located between the two limit top frame plates. Such a design meets the needs of connecting the gas source to multiple load positions 300 of multiple stations, and the assembly and ventilation are convenient and efficient.

[0049] From the above description, it can be found that the utility model significantly improves the exhaust efficiency through the design of the exhaust space and exhaust position, and the welding environment and welding quality are guaranteed. Each loading position is equipped with a dust extraction base, which is highly targeted and easy to disassemble and change the type and connect with the gas source. It can realize the welding lock and fixed position of the battery cover and the explosion-proof valve, and the welding quality is reliable and stable.

[0050] The term "comprise" or any other similar term is intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus / device that includes a list of elements includes not only those elements but also other elements not expressly listed, or also includes elements inherent to such process, method, article, or apparatus / device.

[0051] So far, the technical solution of the present invention has been described in conjunction with the preferred embodiments shown in the accompanying drawings. However, it is easy for those skilled in the art to understand that the protection scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, those skilled in the art can make equivalent changes or substitutions to the relevant technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims

1. A crimping dust extraction device for explosion-proof valve welding, which is arranged on an explosion-proof valve welding production line, wherein a welding station and a battery cover plate fixture for passing through the welding station are arranged on the explosion-proof valve welding production line, wherein the battery cover plate fixture is provided with at least one loading position, and the welding station comprises a lifting mechanism with lifting displacement, a limit top frame plate located at the top of the lifting mechanism, and a welding end with lifting displacement located at the top of the limit top frame plate, wherein: The crimping dust extraction device comprises a matching frame arranged at the bottom of the limit top frame plate, a dust extraction base arranged at the bottom of the matching frame and corresponding to the load position, and a welding auxiliary pressing plate arranged at the bottom of the dust extraction base. The limit top frame plate, the matching frame, the dust extraction base, and the welding auxiliary pressing plate are respectively provided with an avoidance channel for the welding end to pass through. The avoidance channel of the welding auxiliary pressure plate and the avoidance channel of the dust extraction base form a connected exhaust space. The dust extraction base is provided with an annular air flow channel. The annular air flow channel is provided with an air receiving end connected to an exhaust source and a plurality of exhaust channels located in the exhaust space.

2. The crimping dust extraction device for explosion-proof valve welding according to claim 1, characterized in that: The outer periphery of the top wall of the welding auxiliary pressure plate is provided with an annular protrusion, and a matching annular gap is formed between the annular protrusion, the top wall surface of the welding auxiliary pressure plate, and the bottom wall surface of the dust extraction base. The annular air flow channel includes a plurality of air extraction channels located on the avoidance channel of the dust extraction base and a plurality of air extraction channels located on the bottom wall surface of the dust extraction base and facing the matching annular gap.

3. The crimping dust extraction device for explosion-proof valve welding according to claim 1, characterized in that: The battery cover plate fixture is provided with a battery cover plate body and an explosion-proof valve arranged on the battery cover plate body. An auxiliary pressing ring is provided on the bottom wall of the welding auxiliary pressing plate and is used for pressing on the battery cover plate body and is located on the outer periphery of the explosion-proof valve.

4. The crimping dust extraction device for explosion-proof valve welding according to claim 3, characterized in that: A plurality of pressing piles for pressing the battery cover plate body are arranged on the bottom wall of the welding auxiliary pressing plate.

5. The crimping dust extraction device for explosion-proof valve welding according to claim 1, characterized in that: The matching frame is detachably arranged on the limiting top frame plate, and the dust extraction base is detachably arranged on the matching frame.

6. The crimping dust extraction device for explosion-proof valve welding according to any one of claims 1 to 5, characterized in that: The battery cover plate fixture is provided with two parallel loading positions, and the bottom of the matching frame is provided with two dust extraction bases corresponding to the loading positions. The limit top frame plate is provided with an air extraction source adapter, and the air receiving end of any dust extraction base is connected to the air extraction source adapter via a hose.

7. The crimping dust extraction device for explosion-proof valve welding according to claim 6, characterized in that: The explosion-proof valve welding production line comprises two adjacent welding stations, the limit top frame plates of the two welding stations are connected as one, and the exhaust source adapter is located between the two limit top frame plates.

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