Dust removal device and welding equipment

Abstract

The utility model provides a dust removal device and welding equipment, and relates to the technical field of battery manufacturing equipment. The dust removal device comprises a positioning piece and a dust removal head. The positioning piece is provided with an abutting wall and a limiting groove, the abutting wall is used for abutting against the switching piece, and the limiting groove is used for exposing the switching piece; the dust removal head is arranged in the limiting groove and provided with an air inlet channel, an air outlet channel, an adsorption groove and a welding channel, the air inlet channel, the air outlet channel and the welding channel all communicate with the adsorption groove, and the welding channel is used for exposing the adapter piece. The dust removal head is arranged in the limiting groove of the positioning piece, so that stable welding is guaranteed; during welding operation, protective gas is introduced through the gas inlet channel, the gas is introduced into the adsorption tank, and then the adsorption tank is connected with the negative pressure equipment through the gas outlet channel, so that the gas can be discharged in time through the gas outlet channel after passing through the adsorption tank, and welding slag and other impurities generated in the welding process can be effectively and timely discharged; therefore, the welding quality and the product yield are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery manufacturing equipment technical field, specifically, relate to a dust collector and welding equipment. BACKGROUND

[0002] In the process of manufacturing the battery cell, the process of welding the adapter plate is involved. The positive and negative adapter plates are usually welded by using a laser. However, the dust generated during the welding process will affect the welding quality.

[0003] The dust removal method in the market is mainly side suction. However, this method cannot guarantee the direction of gas flow, which may cause the welding slag to escape into the jig or the product under the action of the gas flow, thereby reducing the product quality and yield. SUMMARY

[0004] The utility model aims at providing a dust collector and welding equipment which can effectively and timely remove the impurities such as welding slag generated during the welding process, thereby improving the welding quality and product yield.

[0005] The embodiment of the utility model is implemented as follows:

[0006] In a first aspect, the utility model provides a dust collector, comprising:

[0007] A positioning member is provided with an abutting wall and a limiting groove. The abutting wall is used for abutting the adapter plate, and the limiting groove is used for exposing the adapter plate.

[0008] A dust removal head is provided in the limiting groove. The dust removal head is provided with an air inlet channel, an air outlet channel, an adsorption groove, and a welding channel. The air inlet channel, the air outlet channel, and the welding channel are all in communication with the adsorption groove. The air inlet channel is used for inputting protective gas into the adsorption groove. The air outlet channel is used for adsorbing impurities in the adsorption groove. The welding channel is used for exposing the adapter plate.

[0009] In an optional embodiment, the bottom of the dust removal head is provided with a fixing part. The profile of the fixing part matches the profile of the limiting groove. The fixing part is arranged in the limiting groove.

[0010] In an optional embodiment, the dust removal head comprises first and second side walls opposite to each other. The first side wall is arc-shaped. The adsorption groove is arranged in the first side wall. The welding channel penetrates through the bottom wall of the adsorption groove and the second side wall. The first side wall is used for being attached to the inner wall of the shell of the battery cell.

[0011] In an optional embodiment, the bottom of the first side wall is provided with an abutting part. The abutting part is used for abutting the adapter plate.

[0012] In an optional embodiment, the bottom of the dust removal head is further provided with a transition channel, the air inlet channel penetrates through the top wall and the bottom wall of the dust removal head and communicates with the transition channel, and the transition channel communicates with the adsorption groove.

[0013] In an optional embodiment, the dust removal head is further provided with a positioning part for abutting against the top wall of the positioning member.

[0014] In an optional embodiment, the positioning member is in a circular shape, and the circular arc edge of the positioning member is provided with the abutting wall and a plurality of equidistantly distributed limiting grooves on the abutting wall.

[0015] In an optional embodiment, the dust removal device further comprises a first driving member connected with the dust removal head for driving the dust removal head to move in the vertical direction.

[0016] In an optional embodiment, the dust removal device further comprises a second driving member for driving the battery cell to rotate.

[0017] In a second aspect, the utility model provides a kind of welding equipment, including laser and the dust removal device of any one of the preceding embodiment, and the laser is used to emit laser to the welding channel.

[0018] The dust removal device and the welding equipment provided by the embodiments of the utility model have the beneficial effects that: the dust removal head is positioned in the limiting groove of the positioning member, the positioning member fixes the adapter piece by abutting against the adapter piece, so that the welding is stably carried out;Therefore, when the laser of the laser passes through the welding channel and carries out welding operation on the adapter piece, the protective gas for protection is introduced into the air inlet channel, the gas is introduced into the adsorption groove, and then the gas outlet channel is connected with the negative pressure equipment, so that the gas can be discharged through the gas outlet channel in time after being adsorbed in the adsorption groove, and thus the welding slag and other impurities generated in the welding process can be effectively and timely removed, so as to improve the welding quality and product yield. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiments, and it should be understood that the following drawings only show some embodiments of the utility model, and therefore should not be regarded as a limitation on the scope, and for those skilled in the art, other related drawings can also be obtained without creative labor on the basis of these drawings.

[0020] Figure 1 The welding equipment structure schematic view provided by the embodiments of the utility model;

[0021] Figure 2 A dust removal device structure schematic view is provided for the embodiment of the utility model.

[0022] Figure 3 A positioning member structure schematic view is provided for the embodiment of the utility model.

[0023] Figure 4 A dust removal head first visual angle structure schematic view is provided for the embodiment of the utility model.

[0024] Figure 5 A dust removal head second visual angle structure schematic view is provided for the embodiment of the utility model.

[0025] Icon: 1-welding equipment;10-dust removal device;100-positioning member;110-abutting wall;120-limiting groove;200-dust removal head;210-inlet passage;220-outlet passage;230-adsorption groove;240-welding passage;250-fixing portion;261-first side wall;262-second side wall;270-abutting portion;280-transition passage;290-positioning portion;300-first driving member;400-second driving member;20-laser;2-electricity core;3-adapting sheet. DETAILED DESCRIPTION

[0026] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. The components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.

[0027] Therefore, the following detailed description of the embodiments of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents selected embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by those of ordinary skill in the art without creative labor fall within the scope of protection of the utility model.

[0028] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0029] In the description of the utility model, it needs to be explained that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the utility model product is used, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only used for differentiation in description and cannot be understood as indicating or implying relative importance.

[0030] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0031] In the description of the utility model, it also needs to be explained that, unless otherwise explicitly specified and limited, the terms "arrangement", "installation", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0032] In the process of manufacturing the battery cell, the welding of the adapter piece is a key process. This process usually uses a laser to weld the positive and negative adapter pieces, but the dust generated during welding can significantly affect the welding quality.

[0033] The mainstream dust removal method on the market is side suction type dust removal, but such method cannot ensure the consistency of the gas flow direction. Therefore, the welding slag may escape into the jig or the product under the action of the airflow, thereby reducing the quality and the pass rate of the product.

[0034] Based on the above problems, please refer to Figures 1 to 5 The utility model embodiment provides a kind of welding equipment 1, it is applicable to battery cell 2 manufacturing field, specifically, it can be especially applied to the related welding process of battery cell 2 adapter piece 3. Welding equipment 1 includes laser 20 and dust removal device 10, adapter piece 3 is fixed by dust removal device 10, and laser 20 is emitted to adapter piece 3, to weld adapter piece 3 on battery cell 2.

[0035] In detail, dust removal device 10 includes positioning piece 100 and dust removal head 200.

[0036] The positioning member 100 is provided with an abutting wall 110 and a limiting groove 120, the abutting wall 110 is used for abutting the adapter sheet 3, and the limiting groove 120 is used for exposing the adapter sheet 3; the dust removal head 200 is arranged in the limiting groove 120, and the dust removal head 200 is provided with an air inlet channel 210, an air outlet channel 220, an adsorption groove 230 and a welding channel 240, the air inlet channel 210, the air outlet channel 220 and the welding channel 240 are all communicated with the adsorption groove 230, the air inlet channel 210 is used for inputting the protective gas into the adsorption groove 230, the air outlet channel 220 is used for adsorbing the impurities in the adsorption groove 230, and the welding channel 240 is used for exposing the adapter sheet 3.

[0037] In the embodiment, the dust removal head 200 is arranged in the limiting groove 120 of the positioning member 100 to position the dust removal head 200, and the positioning member 100 is used for fixing the adapter sheet 3 by abutting the adapter sheet 3, so that the welding is stably performed; therefore, when the laser of the laser device 20 passes through the welding channel 240 and performs the welding operation on the adapter sheet 3, the protective gas is input into the adsorption groove 230 through the air inlet channel 210, and then the gas is connected with the negative pressure equipment through the air outlet channel 220, so that the gas can be discharged in time through the air outlet channel 220 after passing through the adsorption groove 230, and thus the impurities such as welding slag generated in the welding process can be effectively and timely removed, so as to improve the welding quality and product yield.

[0038] Optionally, the protective gas can be nitrogen or other protective gas, which is not limited herein.

[0039] Further, the bottom of the dust removal head 200 is provided with a fixing portion 250, the profile of the fixing portion 250 matches the profile of the limiting groove 120, and the fixing portion 250 is arranged in the limiting groove 120.

[0040] In the embodiment, the fixing portion 250 of the bottom of the dust removal head 200 is embedded in the limiting groove 120, and the profile of the fixing portion 250 is consistent with the profile of the limiting groove 120, that is, the profile of the fixing portion 250 is slightly smaller than the profile of the limiting groove 120, so that the fixing portion 250 can be embedded in the limiting groove 120, and the limiting groove 120 can limit the dust removal head 200 in the horizontal direction.

[0041] Further, the dust removal head 200 includes opposite first and second side walls 261 and 262, the first side wall 261 is arc-shaped, the adsorption groove 230 is arranged in the first side wall 261, and the welding channel 240 penetrates the bottom wall and the second side wall 262 of the adsorption groove 230, and the first side wall 261 is used for being attached to the inner wall of the shell of the battery cell 2.

[0042] In the embodiment, when the dust removal head 200 is fixedly connected with the positioning member 100, the first side wall 261 of the dust removal head 200 is attached to the inner wall of the shell of the battery cell 2, and since the adsorption groove 230 is arranged on the first side wall 261, the inner wall of the shell of the battery cell 2 and the adsorption groove 230 jointly form a gas flow channel in this state, so that the gas flows along the gas flow channel under the adsorption of the adsorption channel and is finally discharged through the adsorption channel.

[0043] Further, the bottom of the first side wall 261 is provided with an abutting portion 270, and the abutting portion 270 is used to abut against the adapter sheet 3.

[0044] In the embodiment, by arranging the abutting portion 270 on the first side wall 261 in the horizontal direction and making the abutting portion 270 abut against the adapter sheet 3, the fixing effect on the adapter sheet 3 is further improved, and the welding stability is further improved.

[0045] Further, the bottom of the dust removal head 200 is further provided with a transition channel 280, the gas inlet channel 210 penetrates through the top wall and the bottom wall of the dust removal head 200 and communicates with the transition channel 280, and the transition channel 280 communicates with the adsorption groove 230.

[0046] In the embodiment, the gas inlet channel 210 extends in the vertical direction and communicates with the transition channel 280, so that the protective gas input through the gas inlet channel 210 is blown from the transition channel 280 to the adsorption groove 230, and since the welding channel 240 penetrates through the bottom wall and the second side wall 262 of the adsorption groove 230, that is, the laser passes through the welding channel 240 and acts on the adapter sheet 3 located in the adsorption groove 230, at this time, the input protective gas flows vertically upward from the bottom of the adsorption groove 230 to the gas outlet channel 220, so as to discharge the welding slag generated in the welding process.

[0047] Further, the dust removal head 200 is further provided with a positioning portion 290, and the positioning portion 290 is used to abut against the top wall of the positioning member 100.

[0048] In the embodiment, the positioning portion 290 of the dust removal head 200 abuts against the top wall of the positioning member 100, so as to limit the dust removal head 200 in the vertical direction, thereby ensuring that the dust removal head 200 is installed in place when the fixing portion 250 of the dust removal head 200 is embedded into the limiting groove 120.

[0049] Further, the positioning member 100 is in a circular shape, the abutting wall 110 is arranged on the arc edge of the positioning member 100, and a plurality of limiting grooves 120 are arranged on the abutting wall 110 at equal intervals.

[0050] It needs to be explained that the dust removal device 10 provided by the utility model is especially suitable for the welding process of the cylindrical battery core 2. Therefore, the positioning piece 100 is provided in a circular plate shape, and the outer diameter of the positioning piece 100 is slightly smaller than the inner diameter of the cylindrical battery core 2, so that the positioning piece 100 can be placed in the shell of the battery core 2, and the adapter piece 3 is pressed and held through the positioning piece 100, and then the outer peripheral abutting wall 110 of the positioning piece 100 abuts against the welding part of the adapter piece 3, so that the adapter piece 3 is fixed.

[0051] The welding part of the adapter piece 3 of the battery core 2 is usually multiple, so multiple limiting grooves 120 are arranged, so that the multiple limiting grooves 120 correspond to the multiple welding parts of the adapter piece 3 one by one, so that the dust suction head only needs to be arranged in the corresponding limiting groove 120 during welding each time, which is convenient and efficient.

[0052] For example, as shown in the figure, the welding part of the adapter piece 3 is four, so the number of limiting grooves 120 is also four.

[0053] Further, the dust removal device 10 further comprises a first driving piece 300, the first driving piece 300 is connected with the dust removal head 200, and is used for driving the dust removal head 200 to move in the vertical direction.

[0054] In the embodiment, in order to facilitate the movement of the dust removal head 200, the first driving piece 300 is further arranged to drive the dust removal head 200 to move in the vertical direction, so as to drive the fixed part 250 of the dust removal head 200 to be embedded in or separated from the limiting groove 120 of the positioning piece 100.

[0055] Further, the dust removal device 10 further comprises a second driving piece 400, and the second driving piece 400 is used for driving the battery core 2 to rotate.

[0056] In the embodiment, in order to further improve the automation degree of the dust removal device 10, after the dust removal head 200 is driven by the first driving piece 300 to separate from the limiting groove 120 after each welding is completed, the battery core 2 is further driven to rotate by the second driving piece 400, so that the dust removal head 200 corresponds to another limiting groove 120, and then the fixed part 250 of the dust removal head 200 is embedded in the limiting groove 120 by the first driving piece 300, so as to perform the next welding operation.

[0057] In conclusion, the utility model provides a dust collector 10 and welding equipment 1, through setting dust head 200 in the limiting groove 120 of positioning piece 100, to position dust head 200, and positioning piece 100 is fixed to adapter piece 3 through abutting adapter piece 3, to play the fixed role to adapter piece 3, to guarantee that welding is stably carried out, therefore, when the laser of laser 20 passes through welding channel 240 and carries out welding operation to adapter piece 3, protection gas that plays the protection role is passed into through air inlet channel 210, makes gas pass into adsorption groove 230, then is connected with negative pressure equipment through air outlet channel 220, to make gas after adsorption groove 230 can pass through air outlet channel 220 and timely discharge, thus can effectively and timely the welding slag and other impurities generated in the welding process, to improve the welding quality and product yield.

[0058] The above only is the preferred embodiment of the utility model and does not limit the utility model, and the utility model can have various changes and changes for the person skilled in the art, and any modification, equivalent replacement, improvement etc. that is made within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A dust removal device characterized by comprising: The dust removal device comprises a positioning member, a dust removal head, and a laser. The dust removal head is arranged in the limiting groove and comprises an air inlet channel, an air outlet channel, an adsorption groove, and a welding channel. The bottom of the dust removal head is provided with a fixing portion, the contour of the fixing portion matches the contour of the limiting groove, and the fixing portion is arranged in the limiting groove.

2. The dust extraction device of claim 1, wherein The dust removal head comprises a first side wall and a second side wall opposite to each other.

3. The dust extraction device of claim 1, wherein The bottom of the first side wall is provided with an abutting portion for abutting the adapter piece.

4. The dust extraction device of claim 3, wherein The bottom of the dust removal head is further provided with a transition channel.

5. The dust extraction device of claim 1, wherein The air inlet channel penetrates through the top wall and the bottom wall of the dust removal head and communicates with the transition channel.

6. The dust extraction device of claim 1, wherein The dust removal head is further provided with a positioning portion for abutting the top wall of the positioning member.

7. The dust extraction device of claim 1, wherein The positioning member is in a circular shape.

8. The dust extraction device of claim 1, wherein, The dust removal device further comprises a first driving member connected with the dust removal head for driving the dust removal head to move in the vertical direction.

9. The dust extraction device of claim 1, wherein, The dust removal device further comprises a second driving member for driving the battery cell to rotate.

10. A welding apparatus characterized by, The dust removal device comprises a laser and the dust removal device according to any one of claims 1-9. The laser is used for emitting laser to the welding channel.

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