CN218193138U - Current collecting plate welding device - Google Patents

Abstract

The application relates to the technical field of electric core current collecting disc welding equipment, in particular to a current collecting disc welding device. The battery cell mounting device comprises a mounting frame body, a fixing plate, a bearing assembly and a driving assembly, wherein the fixing plate is arranged on the mounting frame body and used for fixing a current collecting disc; the driving assembly drives the bearing assembly to move towards the fixing plate so that the battery cell of the bearing assembly is matched and fixed with the current collecting disc on the fixing plate; and a welding assembly is arranged on the other side of the fixing plate relative to the bearing assembly. And then drive carrier assembly towards the current collector dish remove in order to realize current collector dish and accurate equipment cooperation of electric core and fixed, avoid current artifical material loading equipment complex mode to cause positional deviation and the unsafe problem in welding position, improve the welding accuracy to can also realize compatible not electric core of co-altitude, realize compatible high characteristics.

Description

Collector plate welding device

Technical Field

The application relates to the technical field of electric core current collecting plate welding equipment, in particular to a current collecting plate welding device.

Background

Cylindrical lithium ion cells are receiving attention due to the advantages of high energy density, good safety performance and the like. In the assembly production of a cylindrical battery cell, the current collecting disc is generally welded with a battery cell tab and a cover plate pole. Current current collecting plate and electric core welding mode are artifical and place the current collecting plate at electric core utmost point ear terminal surface, pass through fixed establishment with current collecting plate and electric core fixed back, adopt laser welding's mode to become a whole with current collecting plate and electric core utmost point ear welding, but carry out equipment complex mode with electric core through the manual work and cause positional deviation easily, lead to the welding position inaccurate, and need fix both through fixed establishment after with current collecting plate and electric core combination, to the electric core of co-altitude not, its fixed establishment's altitude need be adjusted, there is the poor problem of compatibility.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides a current collecting disc welding device which comprises an installation frame body, a fixing plate, a bearing assembly and a driving assembly, wherein the fixing plate is arranged on the installation frame body and used for fixing a current collecting disc, the bearing assembly is arranged on the installation frame body in a sliding mode and used for loading a battery core, and the driving assembly is arranged on the installation frame body; the driving assembly drives the bearing assembly to move towards the fixing plate so that the battery cell of the bearing assembly is matched and fixed with the current collecting disc on the fixing plate; and a welding assembly is arranged on the other side of the fixing plate relative to the bearing assembly. And then drive carrier assembly moves towards the current collector and moves in order to realize current collector and accurate equipment cooperation of electric core and fixed, avoids current artifical material loading equipment complex mode to cause positional deviation and the unsafe problem of welding position, improves the welding accuracy to can also realize compatible not co-altitude's electric core, the compatibility is high.

Preferably, the mounting frame body is provided with a mounting plate, and the fixing plate is detachably mounted on the mounting plate. And the fixing plate is detachably arranged in the mounting hole of the mounting plate. And then can realize welding positive current collecting plate or negative current collecting plate through changing the fixed plate to realize improving the compatibility.

Preferably, the surface of the fixing plate facing the bearing assembly is provided with a plurality of suckers for adsorbing the current collecting plate, and the side surface of the fixing plate is provided with an air inlet joint communicated with the suckers. The fixed plate is internally provided with a gas circuit to realize that the sucker is communicated with the gas inlet connector. The negative pressure air pipe is connected through the air inlet connector, so that the sucking disc forms negative pressure to achieve the purpose of adsorbing the current collecting disc.

Preferably, the surface of the fixing plate facing the bearing assembly is provided with a limiting groove matched with the current collecting plate, and the sucker is arranged in the limiting groove. And then carry on spacingly through the position of spacing groove to the current collection dish to ensure the position of current collection dish on the fixed plate, guarantee that current collection dish and the electric core position on the load-bearing component accurately cooperate.

Preferably, the bearing assembly comprises a sliding plate which can slide towards the fixing plate and is arranged on the mounting frame body, and a bearing plate which is arranged on the sliding plate and is used for loading the battery cell, wherein a limiting block for limiting the position of the battery cell is arranged on the bearing plate. After the battery cell is placed on the bearing plate, the battery cell is limited through the limiting block, so that the battery cell is prevented from shifting in the moving process, the accuracy of the relative positions of the battery cell and the current collecting disc is ensured, and the welding quality is improved.

Preferably, the limiting blocks are embedded with elastic pieces at two opposite sides of the battery core, and the elastic pieces are abutted against two opposite side faces of the battery core. Place electric core at the loading board and with the spacing cooperation back of stopper, the elastic component makes it support by in the relative both sides face of electric core through elasticity, and then reaches the fixed effect of electric core centre gripping. Illustratively, the resilient member may be a push rod-spring-fitted structure.

Preferably, the driving assembly comprises a screw rod connected to the sliding plate, and a driver for driving the screw rod to rotate. Compatible not co-altitude's electric core can also be realized to the mode that removes through drive loading board towards the fixed plate, can understand, as long as the height of electric core is not higher than the height between loading board and the fixed plate, can realize accomplishing electric core and current collector cooperation through the mode that drive loading board removed towards the fixed plate and fix, have compatible high characteristics.

Preferably, a positioning column is disposed on a surface of the fixing plate facing the electric core of the bearing assembly. The positioning hole matched with the positioning column is formed in the center of the top of the battery cell, so that when the battery cell is ordered to be matched with the current collecting disc, accurate positioning can be carried out through the positioning column and the positioning hole, the accuracy of the relative position of the battery cell and the current collecting disc is ensured, and the accuracy of a welding position is improved.

Preferably, the mounting frame body is provided with a detection assembly for detecting the sliding plate. The detection assembly can be a sensor in place and detects the lifting and sliding position of the sliding plate through the detection assembly, so that the position of the sliding plate is accurately controlled, the electric core is prevented from being damaged due to collision of the electric core and the current collecting disc, and the safety of the device is improved.

Preferably, the other side of the mounting frame body, which is located on the fixing plate and opposite to the bearing assembly, is provided with a dust removal assembly, and the dust removal assembly covers the fixing plate. Illustratively, the dust removal component comprises a dust removal cover covered on the fixed plate and a dust removal pipe connected with the dust removal cover, the dust removal pipe is communicated with the dust removal device, and then the dust in the dust removal cover is sucked away by air extracted by the dust removal device, so that the purpose of removing dust is achieved.

Compared with the prior art, the beneficial effects of this application are: this application is through setting up the fixed plate on the installation support body, it is provided with carrier assembly just to be located the fixed plate below slip on the installation support body, current collecting disc fixes on the surface of fixed plate towards carrier assembly, move towards the fixed plate through drive assembly drive carrier assembly, and then make carrier assembly's electric core and the current collecting disc equipment fit on the fixed plate, and fix electric core and current collecting disc location, fix a position on the fixed plate through fixing current collecting disc, and then drive carrier assembly moves towards current collecting disc and with realization current collecting disc and the accurate equipment fit of electric core and fixed, avoid current artifical material loading equipment fit's mode to cause positional deviation and the unsafe problem of welding position, improve the welding accuracy. And the bearing assembly is driven to move towards the current collecting disc so as to realize accurate assembly matching and fixing of the current collecting disc and the battery cell, and the compatibility of the battery cells with different heights can be realized, so that the compatibility is high.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments of the present application or the prior art will be briefly described below. It should be apparent that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained by those skilled in the art without inventive exercise.

FIG. 1 is a side view of a manifold plate welding apparatus according to an embodiment of the present application;

FIG. 2 is a top view of a manifold plate welding apparatus according to an embodiment of the present application;

FIG. 3 is a bottom view of a manifold welding apparatus according to an embodiment of the present application;

FIG. 4 is a partially enlarged view of FIG. 3 according to an embodiment of the present application;

fig. 5 is an overall assembly view of the collector plate welding apparatus according to the embodiment of the present application.

Reference numerals

10. Welding the assembly; 20. mounting a frame body; 21. mounting a plate; 22. a detection component; 30. a load bearing assembly; 31. a carrier plate; 32. a limiting block; 321. an elastic member; 33. a slide plate; 40. a fixing plate; 41. a suction cup; 42. an air inlet joint; 43. a positioning column; 44. a limiting groove; 45. welding the window; 50. a drive assembly; 51. a driver; 52. a screw rod; 60. a dust removal assembly.

Detailed Description

In the following description, numerous implementation details are set forth in order to provide a thorough understanding of the present invention. It should be understood, however, that these implementation details should not be taken to limit the application. That is, in some embodiments of the present application, such practical details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings for the sake of simplicity.

It should be noted that all the directional indicators in the embodiments of the present application, such as up, down, left, right, front, and back, 8230, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in this application are used for descriptive purposes only, are not specifically intended to be in an orderly or sequential sense, and are not intended to limit the present application, but are merely used for distinguishing components or operations described in the same technical terms, and are not intended to indicate or imply relative importance or implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, technical solutions between the embodiments may be combined with each other, but must be based on the realization of the technical solutions by a person skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope claimed in the present application.

For a further understanding of the contents, features and functions of the present invention, reference will now be made to the following examples, which are illustrated in the accompanying drawings and described in the following detailed description:

in order to solve the above technical problem, the present embodiment provides a collector welding apparatus, as shown in fig. 1-2, including a mounting frame body 20, a fixing plate 40 disposed on the mounting frame body 20, and a carrier assembly 30 slidably disposed on the mounting frame body 20 and located below the fixing plate 40, wherein a cell is loaded on the carrier assembly 30, a collector is fixed on a surface of the fixing plate 40 facing the carrier assembly 30, a driving assembly 50 connected to the carrier assembly 30 is disposed on the mounting frame body 20, the carrier assembly 30 is driven by the driving assembly 50 to move toward the fixing plate 40, so that the cell of the carrier assembly 30 is assembled and matched with the collector on the fixing plate 40, and the cell and the collector are fixed in position, a welding assembly 10 is disposed on the other side of the fixing plate 40 relative to the carrier assembly 30, a laser of the welding assembly 10 penetrates through the fixing plate 40 to weld the collector and the cell, and the collector is fixed by fixing the collector on the fixing plate 40, and further driving the carrier assembly 30 to move toward the collector to achieve accurate assembly and fixation of the collector and the cell, thereby avoiding a position deviation and inaccurate assembly caused by an existing manual feeding assembly and matching method, and improving welding accuracy. And, can also realize compatible not co-altitude electric core through the mode that drive carrier assembly 30 removed in order to realize that current collecting plate and electric core are accurate equipment fit and fixed, the compatibility is high.

Specifically, because the current collecting disc is divided into positive current collecting disc and negative current collecting disc, the structure of positive current collecting disc and negative current collecting disc is inequality, welds in order to realize compatible positive current collecting disc or negative current collecting disc simultaneously, and installation support body 20 top is provided with the mounting panel 21 that the horizontal direction was placed, has seted up the mounting hole on the mounting panel 21, and then fixed plate 40 demountable installation is in the mounting hole of mounting panel 21. And then can realize welding positive current collecting plate or negative current collecting plate by changing fixed plate 40, thus realize improving the compatibility.

Further, in order to realize the fixing of the collecting tray, as a preferred embodiment, as shown in fig. 3-4, a surface of the fixing plate 40 facing the carrier assembly 30 is provided with a plurality of suction cups 41 for sucking the collecting tray, an air inlet joint 42 communicating with the suction cups 41 is disposed on a side surface of the fixing plate 40, and an air path is opened inside the fixing plate 40 to realize that the suction cups 41 communicate with the air inlet joint 42. The air inlet joint 42 is connected with a negative pressure air pipe, so that the suction disc 41 forms negative pressure to achieve the purpose of adsorbing the collecting disc.

In the above solution, in order to position the current collecting plate, a plurality of limiting grooves 44 matched with the current collecting plate in shape are formed in the surface of the fixing plate 40 facing the bearing assembly 30, and then the position of the current collecting plate is limited by the limiting grooves 44, so as to ensure the position of the current collecting plate on the fixing plate 40, and ensure that the current collecting plate aligns with the electric core on the bearing assembly 30, wherein the suction disc 41 is disposed in the limiting groove 44, and is further adsorbed on the surface of the current collecting plate through the suction disc 41.

In order to realize bearing and fixing the electric core, bearing assembly 30 includes slide 33 that can slide the setting on installation support body 20 towards fixed plate 40, set up on slide 33 and be used for loading the loading board 31 of electric core, the side of installation support body 20 is provided with the slide rail along vertical direction, slide 33 passes through slider structure realization and slide rail sliding fit, be provided with the stopper 32 of restriction electric core position on the loading board 31, place back on the loading board 31 when electric core and carry out spacingly through stopper 32 to electric core, and then guarantee that the electric core can not take place the skew at removal in-process electric core, ensure the accuracy of electric core and current collection dish relative position, improve welding quality. Furthermore, a sinking groove matched with the size of the battery core is formed in the bearing surface of the bearing plate 31, and the battery core is placed in the sinking groove to realize further limiting, so that the position accuracy of the battery core relative to the current collecting disc is ensured.

Further, in the above scheme, in order to realize that electric core can not take place to rock, as an optimal implementation mode, stopper 32 is located that the both sides that electric core is relative are embedded and is had elastic component 321, place electric core at loading board 31 and with stopper 32 spacing cooperation back, elastic component 321 makes it support by in the relative both sides face of electric core through elasticity, and then reaches the fixed effect of electric core centre gripping. Illustratively, the elastic member 321 may be a structure in which a push rod engages with a spring.

In order to realize the movement of the driving plate 31 toward the fixing plate 40, so that the battery cell is fixed in cooperation with the current collecting plate, as a preferred embodiment, the driving assembly 50 includes a screw 52 connected to the sliding plate 33, and a driver 51 for driving the screw 52 to rotate. The screw 52 is connected with the sliding plate 33 through a ball nut, an exemplary driver 51 may be a motor, and then the screw 52 is driven to rotate by the driver 51, and the screw 52 cooperates with the ball nut to enable the sliding plate 33 to move toward the fixing plate 40 along a sliding rail on the mounting frame body 20, so that the battery core on the bearing plate 31 is accurately matched and fixed with the current collecting plate, so as to weld the battery core and the current collecting plate subsequently. Compatible not co-altitude electric core can also be realized towards the mode that fixed plate 40 removed through drive loading board 31, and it can be understood that, as long as the height of electric core is not higher than the height between loading board 31 and the fixed plate 40, can realize accomplishing electric core and current collection dish cooperation fixed through the mode that drive loading board 31 removed towards fixed plate 40, have compatible high characteristics.

Further, in order to prevent the battery cell from colliding with the current collecting tray due to the fact that the sliding plate 33 moves excessively, the detection assembly 22 for detecting the sliding plate 33 is arranged on the mounting frame body 20, for example, the detection assembly 22 may be an in-place sensor, and the position where the sliding plate 33 slides up and down is detected through the detection assembly 22, so that the position of the sliding plate 33 is accurately controlled, the battery cell is prevented from colliding with the current collecting tray to damage the battery cell, and the safety of the device is improved.

Wherein, be provided with reference column 43 on the surface of fixed plate 40 towards bearing assembly 30 electricity core, the top center department of electricity core is provided with reference column 43 complex locating hole, and then when ordering about electric core and the cooperation of current collecting plate, can pinpoint through reference column 43 and locating hole to ensure the accuracy of electric core and current collecting plate relative position, improve welding position's accuracy.

After the battery cell and the current collecting tray are assembled and matched and fixed, a welding assembly 10 is arranged on the other side, opposite to the bearing assembly 30, of the fixing plate 40, as shown in fig. 5, the battery cell and the current collecting tray are welded through the welding assembly 10, for example, the welding assembly 10 can be a laser welding mechanism, a welding window 45 is formed in the fixing plate 40, and laser of the welding assembly 10 penetrates through the welding window 45 to weld the battery cell and the current collecting tray. The laser welding mechanism is a device which is more conventional, so the specific structure of the laser welding mechanism is not described in detail.

Welding slag dust is generated during the welding process, and in order to achieve the purpose of dust removal, as a preferred embodiment, a dust removal assembly 60 is disposed on the other side of the fixing plate 40 opposite to the bearing assembly 30 on the mounting frame body 20, and the dust removal assembly 60 covers the fixing plate 40. The dust removing assembly 60 comprises a dust removing cover covered on the fixing plate 40 and a dust removing pipe connected to the dust removing cover, the dust removing pipe is communicated with a dust removing device, and then dust in the dust removing cover is sucked away by air suction of the dust removing device, so that the purpose of removing dust is achieved.

To sum up, in one or more embodiments of this application, the scheme of this application is through setting up the fixed plate on the installation support body, it is provided with carrier assembly to slide on the installation support body and be located the fixed plate below, the current collector dish is fixed on the surface of fixed plate towards carrier assembly, remove towards the fixed plate through drive assembly drive carrier assembly, and then make carrier assembly's electric core and the current collector dish equipment fixing on the fixed plate, and fix electric core and current collector dish location, fix a position on the fixed plate through fixing current collector dish, and then drive carrier assembly moves towards current collector dish and leads to the fact current collector dish and accurate equipment fixing of electric core and fixed, avoid current artifical material loading equipment fixing fit's mode to cause positional deviation and the unsafe problem of welding position, improve the welding accuracy. And the bearing assembly is driven to move towards the current collecting disc so as to realize accurate assembly matching and fixing of the current collecting disc and the battery cell, and the compatibility of the battery cells with different heights can be realized, so that the compatibility is high.

The above-described embodiments do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the above-described embodiments should be included in the protection scope of the technical solution.

Claims (10)

1. A current collecting plate welding device is characterized in that: the battery pack mounting frame comprises a mounting frame body (20), a fixing plate (40) which is arranged on the mounting frame body (20) and used for fixing a current collecting disc, a bearing assembly (30) which is arranged on the mounting frame body (20) in a sliding mode and used for loading a battery core, and a driving assembly (50) which is arranged on the mounting frame body (20); the driving assembly (50) drives the bearing assembly (30) to move towards the fixing plate (40) so that the battery core of the bearing assembly (30) is matched with and fixed on the current collecting disc on the fixing plate (40); and a welding assembly (10) is arranged on the other side of the fixing plate (40) relative to the bearing assembly (30).

2. The manifold plate welding apparatus according to claim 1, wherein: the mounting frame body (20) is provided with a mounting plate (21), and the fixing plate (40) is detachably mounted on the mounting plate (21).

3. The manifold plate welding apparatus according to claim 2, wherein: the surface of the fixing plate (40) facing the bearing assembly (30) is provided with a plurality of suckers (41) for adsorbing the collecting plate, and the side surface of the fixing plate (40) is provided with an air inlet joint (42) communicated with the suckers (41).

4. The manifold plate welding apparatus of claim 3, wherein: the surface of the fixing plate (40) facing the bearing assembly (30) is provided with a limiting groove (44) matched with the collecting disc, and the sucker (41) is arranged in the limiting groove (44).

5. The manifold plate welding apparatus of claim 4, wherein: the bearing assembly (30) comprises a sliding plate (33) capable of sliding towards the fixing plate (40) and arranged on the installation frame body (20), and a bearing plate (31) arranged on the sliding plate (33) and used for loading the battery core, wherein a limiting block (32) for limiting the position of the battery core is arranged on the bearing plate (31).

6. The manifold plate welding apparatus of claim 5, wherein: the limiting block (32) is located at two opposite sides of the battery cell and embedded with elastic pieces (321), and the elastic pieces (321) abut against two opposite side faces of the battery cell.

7. The manifold plate welding apparatus of claim 5, wherein: the driving assembly (50) comprises a screw rod (52) connected to the sliding plate (33) and a driver (51) for driving the screw rod (52) to rotate.

8. The manifold plate welding apparatus of claim 1, wherein: the surface of the fixing plate (40) facing the battery cell of the bearing component (30) is provided with a positioning column (43).

9. The manifold plate welding apparatus of claim 5, wherein: the mounting frame body (20) is provided with a detection assembly (22) for detecting the sliding plate (33).

10. The manifold plate welding apparatus of claim 1, wherein: and a dust removal assembly (60) is arranged on the other side, opposite to the bearing assembly (30), of the fixing plate (40) on the mounting frame body (20), and the dust removal assembly (60) covers the fixing plate (40).

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