CN207043547U - A tab welding device - Google Patents

Abstract

The utility model discloses a utmost point ear welding set, including anchor clamps base, electric core clamp plate, utmost point ear clamp plate and welding set. The utmost point ear welding set that this scheme provided realizes compressing tightly electric core through first platform and the cooperation of electric core clamp plate, prevent that the position of electric core in the welding process from changing, the cooperation of second platform and utmost point ear clamp plate realizes compressing tightly utmost point ear, prevent that the position of utmost point ear from changing at the welded in-process, welding set realizes the welding to utmost point ear, the utmost point ear welding set that this scheme provided has realized the stable location to electric core and utmost point ear, the position of electric core and utmost point ear can not change during the welding, the positioning accuracy of utmost point ear when having guaranteed the welding, thereby the production quality of electric core has been improved to a certain extent.

Description

A tab welding device

technical field

The utility model relates to the technical field of electric core processing, in particular to a tab welding device.

Background technique

Ultrasonic welding is mostly used for the welding of tabs, and the quality of tab welding affects the quality of batteries.

In the prior art, due to the low positioning accuracy of the tabs during welding, the welding position of the tabs is inaccurate, which affects the production quality of the battery cells.

Therefore, how to achieve accurate positioning of the tabs to improve the production quality of the battery cells has become a technical problem to be solved urgently by those skilled in the art.

Utility model content

In view of this, the utility model provides a tab welding device to realize accurate positioning of tabs and improve the production quality of electric cores.

In order to achieve the above object, the utility model provides the following technical solutions:

A tab welding device, comprising:

A jig base, the jig base includes a first platform for placing the battery core and a second platform for placing the tab;

A cell pressing plate that cooperates with the first platform to compress the cell, and the cell pressing plate compresses the cell through a first driving device;

a tab pressing plate arranged on the second platform for pressing the tab, and the tab pressing plate presses the tab via a second driving device;

A welding device for welding the tabs.

Preferably, in the above-mentioned tab welding device, it also includes:

A chute arranged on one side of the first platform, the chute is opened along the vertical direction;

A sliding plate is provided in the sliding groove and slidingly matched with the sliding groove, the upper end surface of the sliding plate is provided with the cell pressing plate, and the sliding plate is connected with the first driving device.

Preferably, in the above tab welding device, the first driving device is an air cylinder.

Preferably, in the above tab welding device, grooves corresponding to the positions of the tabs are provided on the cell pressing plate.

Preferably, in the above tab welding device, the middle part of the tab pressing plate is hinged to the second driving device;

One end of the lug pressure plate is hinged to a connecting rod, the connecting rod is arranged on the upper end surface of the second platform and is perpendicular to the upper end surface of the second platform, the number of the connecting rods is two, and The connecting rod corresponds to the position of the tab, and the other end of the tab pressing plate is used to compress the tab.

Preferably, in the above tab welding device, a connecting plate is further included, one end of the connecting plate is hinged to the middle of the tab pressing plate, and the other end is hinged to the second driving device.

Preferably, in the above tab welding device, the second driving device is an air cylinder.

Preferably, in the above tab welding device, the welding device is an ultrasonic welding machine.

It can be seen from the above technical solutions that the tab welding device provided by the utility model includes a clamp base, a cell pressing plate, a tab pressing plate and a welding device. The lug welding device provided by this solution realizes the compression of the battery cell through the cooperation of the first platform and the cell pressure plate to prevent the position of the battery cell from changing during the welding process, and the second platform cooperates with the tab pressure plate to realize the tightening Compression prevents the position of the tab from changing during the welding process. The welding device realizes the welding of the tab. The tab welding device provided by this solution realizes the stable positioning of the battery core and the tab. When welding, the battery core and the tab The position of the tab will not change, which ensures the positioning accuracy of the tab during welding, thereby improving the production quality of the battery cell to a certain extent.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a schematic structural view of a tab welding device provided by an embodiment of the present invention;

Fig. 2 is a partial structural schematic diagram of the tab welding device provided by the embodiment of the present invention.

1. The first platform, 2. The second platform, 3. Cell pressing plate, 4. Tab pressing plate, 5. Welding device, 6. Connecting rod, 7. Connecting plate.

detailed description

The utility model discloses a pole lug welding device, which can realize accurate positioning of the pole lug and improve the production quality of electric cores.

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 and Fig. 2, Fig. 1 is a schematic structural diagram of the tab welding device provided by the embodiment of the utility model; Fig. 2 is a partial structural schematic diagram of the tab welding device provided by the embodiment of the utility model.

The utility model discloses a tab welding device, which comprises a fixture base, a cell pressing plate 3, a tab pressing plate 4 and a welding device 5.

The fixture base includes a first platform 1 for placing batteries and a second platform 2 for placing tabs. The first platform 1 and the second platform 2 are connected by a connecting plate 7 to form the fixture base. The first platform 1 is provided with a cell groove that matches with the cell, and the cell groove realizes the preliminary positioning of the cell, and the second platform 2 is provided with a tab groove that cooperates with the tab. The groove realizes the preliminary positioning of the tab.

The cell pressing plate 3 is arranged above the first platform 1, and the cell pressing plate 3 realizes the compression of the cells, and the cell pressing plate 3 compresses the cells under the action of the first driving device.

The tab pressing plate 4 is arranged above the second platform 2, and the tab pressing plate 4 realizes the compression of the tab, and the tab pressing plate 4 compresses the tab under the action of the second driving device.

The welding device 5 is used for welding the tabs.

The lug welding device provided by this solution realizes the compression of the battery cell through the cooperation of the first platform 1 and the battery cell pressure plate 3 to prevent the position of the battery cell from changing during the welding process. The second platform 2 cooperates with the tab pressure plate 4 to achieve The pressing of the tab prevents the position of the tab from changing during the welding process. The welding device 5 realizes the welding of the tab. The tab welding device provided by this solution realizes the stable positioning of the battery core and the tab. The position of the battery cell and the tab will not change during welding, which ensures the positioning accuracy of the tab during welding, thereby improving the production quality of the battery cell to a certain extent.

The battery cell groove cooperates with the battery cell pressure plate 3 to realize the preliminary positioning of the battery cell, and the tab groove cooperates with the tab tab 4 to realize the preliminary positioning of the tab, and there is no need to re-position the cell and the tab The adjustment reduces the difficulty of positioning the battery core and tabs and the labor intensity.

The lug welding device provided by this solution also includes a chute and a slide plate.

The chute is arranged on one side of the first platform 1, and is opened on the side of the first platform 1 away from the second platform 2, the opening direction of the chute is set along the vertical direction, and the opening direction of the chute is the same as that of the second platform 2. The upper surface of a platform 1 is vertical.

The slide plate is arranged in the chute to slide and cooperate with the chute, the upper end surface of the slide plate is provided with a battery pressing plate 3, and the slide plate is connected with the first driving device.

The first driving device drives the slide plate to move up and down along the chute, and then drives the cell pressing plate 3 to move up and down, so as to control the pressing state of the cell pressing plate 3 on the cells.

The chute is slidably matched with the slide plate to reduce the energy loss of the cell pressing plate 3 moving up and down.

Preferably, the first driving device is an air cylinder.

In order to further optimize the above-mentioned technical solution, in a specific embodiment of this solution, a groove corresponding to the position of the tab is opened on the cell press plate 3, and the opening of the groove can make the cell press plate 3 avoid the welding position of the tab , to ensure the smooth progress of welding. The groove can also play a positioning role on both sides of the tab to realize the limit of the width direction of the tab. The tab pressing plate 4 realizes the limiting of the upper and lower directions of the tab. Precise positioning of tabs.

In order to realize the pressing of the tab pressing plate 4 on the tab, in a specific embodiment of this scheme, the middle part of the tab pressing plate 4 is hinged with the second driving device, and one end of the tab pressing plate 4 is hinged with the connecting rod 6, and the tab The other end of the pressing plate 4 is suspended and arranged for pressing the tab. The second driving device drives the middle part of the tab pressing plate 4 to move, and the tab pressing plate 4 rotates around the hinged end with the connecting rod 6, so that the suspended end of the tab pressing plate 4 presses the tab.

Wherein, the connecting rod 6 is arranged on the upper end surface of the second platform 2, the connecting rod 6 is perpendicular to the upper end surface of the second platform 2, the number of the connecting rod 6 is two, and the position of the connecting rod 6 corresponds to the position of the tab, correspondingly Yes, the number of lug pressure plates 4 is also two, and the connecting rod 6 is fixedly connected with the second platform 2 .

In order to further optimize the above technical solution, a connecting plate 7 is also included. One end of the connecting plate 7 is hinged to the middle of the lug pressure plate 4, and the other end is hinged to the second driving device. The second driving device pulls the connecting plate 7 to move until the connecting plate 7 is perpendicular to the lug pressing plate 4, at this time the lug pressing plate 4 is pulled to a horizontal position, and the suspended end of the tab pressing plate 4 presses the tab.

In one embodiment of this solution, the second driving device is an air cylinder. The piston rod of the cylinder is retracted, and the connecting plate 7 is pulled to move until it is perpendicular to the lug pressure plate 4. At this time, the lug pressure plate 4 is pulled to a horizontal position, and the suspended end of the lug pressure plate 4 presses the pole lug; the piston rod of the cylinder extends Push the connecting plate 7 to move, at this time, the tab pressing plate 4 is also pushed upwards, and the suspended end of the tab pressing plate 4 does not press the tab.

Preferably, the welding device 5 is an ultrasonic welding machine.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (8)

1. A tab welding device, characterized in that, comprising: A jig base, the jig base includes a first platform (1) for placing electric cores and a second platform (2) for placing tabs; Cooperate with the first platform (1) to compress the cell pressing plate (3) of the cell, and the cell pressing plate (3) compresses the cell through the first driving device; a tab pressing plate (4) arranged on the second platform (2) for pressing the tab, and the tab pressing plate (4) presses the tab via a second driving device; A welding device (5) for welding the tabs. 2. The tab welding device according to claim 1, further comprising: A chute arranged on one side of the first platform (1), the chute is opened along the vertical direction; A sliding plate is arranged in the sliding groove and slides up and down with the sliding groove, the upper end surface of the sliding plate is provided with the cell pressing plate (3), and the sliding plate is connected with the first driving device. 3. The tab welding device according to claim 1, wherein the first driving device is an air cylinder. 4. The tab welding device according to claim 1, characterized in that, grooves corresponding to the positions of the tabs are formed on the cell pressing plate (3). 5. The tab welding device according to claim 1, characterized in that, the middle part of the tab pressing plate (4) is hinged to the second driving device; One end of the lug pressure plate (4) is hinged to the connecting rod (6), and the connecting rod (6) is arranged on the upper end surface of the second platform (2) and connected to the upper surface of the second platform (2). The end face is vertical, the number of the connecting rods (6) is two, and the connecting rods (6) correspond to the positions of the tabs, and the other end of the tab pressing plate (4) is used to compress the extremely ear. 6. The tab welding device according to claim 5, characterized in that it also includes a connecting plate (7), one end of the connecting plate (7) is hinged to the middle of the tab pressing plate (4), and the other end is hinged to the middle of the tab pressing plate (4). The second driving device is hinged. 7. The tab welding device according to claim 1, wherein the second driving device is an air cylinder. 8. The tab welding device according to claim 1, characterized in that the welding device (5) is an ultrasonic welding machine.