CN207547344U - For the lug apparatus for bending of battery core - Google Patents

Abstract

It is described to include for the lug apparatus for bending of battery core the utility model discloses a kind of lug apparatus for bending for battery core：Bending component, the bending component is for the lug bending to battery core；Support member, the support member is for fixing battery core, and the relatively described bending component of the support member moves so that the lug of battery core only supports and by the bending component bending with the bending component.Lug apparatus for bending according to the present utility model for battery core, by setting bending component and support member, thus by the lug bending of battery core, operating process is easy, and efficient, and with higher machining accuracy, and reduces the working strength of processing staff.

Description

Tab Bending Device for Cells

technical field

The utility model relates to the field of electric core manufacturing, in particular to a tab bending device for electric cores.

Background technique

At present, soft-pack lithium-ion batteries are used to assemble battery modules or battery packs, and the tabs of the battery cells are usually connected by welding or bolting when they are connected in parallel. In the related technologies, the tabs of the battery cells are mostly bent manually by operators, and the manual bending process is adopted, which has low processing dimensional accuracy and low efficiency.

Utility model content

The utility model aims at at least solving one of the technical problems existing in the prior art. For this reason, the utility model proposes a tab bending device for electric cores with high bending precision.

According to the utility model, the tab bending device for electric cores includes: a bending part used for bending the tabs of the electric core; a supporting part used for fixing the electric core The supporting part is movable relative to the bending part so that the tabs of the battery core abut against the bending part and are bent by the bending part.

According to the tab bending device for electric cores of the present invention, the tabs of the electric core are bent by setting bending parts and supporting parts, the operation process is simple, the efficiency is high, and it has high processing accuracy , and reduce the work intensity of processing personnel.

Further, the tab bending device for electric cores further includes a bottom plate, wherein the support member is movably arranged on the bottom plate along the vertical direction, and the bending member is movably arranged on the bottom plate along the horizontal direction. On the bottom plate, the horizontal distance of the bending part relative to the supporting part can be adjusted and the bending part can be fixed at any position within the adjustment range, so as to better cooperate with the supporting part and facilitate Bending the tabs of the battery core to improve the bending accuracy.

Further, the support member includes a first support piece and a second support piece arranged at intervals in the up-down direction, the position of the second support piece in the up-down direction relative to the first support piece is adjustable, and the first support piece The supporting member is used to fix the electric core, and the position of the second supporting member in the up and down direction relative to the first supporting member is adjustable, so as to be suitable for clamping a part of the tab of the electric core close to the main body of the electric core on the said first supporting member. Between the first supporting member and the second supporting member, the tabs of the electric core are fixed, which is convenient for bending the tabs in cooperation with the bending member, and can improve the bending accuracy of the tabs of the electric core.

Optionally, the first support member is a first support plate, and the first support plate is provided with a fixing groove, and the battery cell is suitable for being fixed in the fixing groove, so as to limit the position of the battery cell, and The electric core is fixed on the first support plate.

Further, a pick-up slot is also provided on the first support plate, the pick-up slot communicates with the fixing groove, and the bottom wall of the pick-up slot is lower than the bottom wall of the fixing groove, Therefore, it is convenient to take out the electric core from the fixing groove of the first support plate.

In the present utility model, the second support includes a second support plate and a pressure block arranged on the second support plate, and the position of the second support relative to the first support in the up and down direction can be adjusted. adjusted so that a part of the tab of the battery cell close to the body of the battery core is sandwiched between the pressing block and the first support member, so that the tab of the battery cell is fixed for easy bending, and can be Improve the bending accuracy of the tabs of the battery core.

Further, the bending part includes a fixed seat and a roller rotatably arranged on the fixed seat, the roller is used to press against the tabs of the electric core, and the rollers correspond to the tabs one by one , the fixed seat is movably arranged on the bottom plate along the horizontal direction, so that the bending part can be adjusted to an appropriate position by adjusting the position of the fixed seat on the bottom plate, and the rollers of the bending part and the supporting part can cooperate , to bend the tab of the battery cell, and to achieve the bending of the tab through the contact between the roller and the tab, which can improve the bending accuracy of the tab.

In the present invention, the lug bending device used for the electric core also includes a driving part, the driving part is connected with the supporting part, so as to drive the supporting part to move relative to the bending part, so that the electric core The pole bend.

In the present invention, the lug bending device for the electric core also includes a guide part, and the support part is movably arranged on the guide part along the up and down direction, so that the support part moves under the guidance of the guide part , improve the bending accuracy of the device.

Further, the driving part is a press head of a press, and the bending part is connected to the workbench of the press, so that the tabs of the battery cells can be bent under the action of the driving part, and the operation process It is simple and convenient, and at the same time reduces the work intensity of processing personnel.

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

Description of drawings

The above and/or additional aspects and advantages of the present utility model will become apparent and easy to understand from the description of the embodiments in conjunction with the following drawings, wherein:

Fig. 1 is a structural schematic diagram 1 of a tab bending device for battery cells according to the present invention;

Fig. 2 is a structural schematic diagram 2 of a tab bending device for electric cores according to the present invention.

Reference signs:

Tab bending device 100 for electric cores,

Bending part 1, fixed seat 11, pin shaft 111, roller 12, adjustment device 13, adjustment base 131, lead screw 132,

Support part 2, first support member 21, fixing groove 211, pick-up groove 212, first support plate 213

The second support member 22, the pressure block 221, the second support plate 222,

Drive part 3, pressure head 31,

Bottom plate 4,

Guide part 5, guide post 51, spring 52, guide sleeve 53,

battery cell 200, tab 201, battery cell body 202,

Press machine 300, workbench 301.

Detailed ways

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", The orientation or positional relationship indicated by "vertical", "horizontal", "top", "bottom", "axial", "radial", "circumferential" etc. is based on the orientation or positional relationship shown in the drawings, It is only for the convenience of describing the present invention and simplifying the description, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation of the present invention. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present utility model, unless otherwise specified, "plurality" means two or more.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Detachable connection, or integral connection; it can be mechanical connection; it can be direct connection or indirect connection through an intermediary, and it can be the internal communication of two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The tab bending device 100 for electric cores according to an embodiment of the present invention will be described below with reference to FIGS. 1-2 .

As shown in FIGS. 1 and 2 , a tab bending device 100 for electric cores according to an embodiment of the present invention includes a bending part 1 and a supporting part 2 .

The bending part 1 is used to bend the tab 201 of the cell 200, the support part 2 is used to fix the cell 200, and the support part 2 can move relative to the bending part 1, so that the tab 201 of the cell 200 is in line with the bending The component 1 stops and is bent by the bending component 1 , so that the tab 201 of the battery cell 200 can be bent through the cooperation of the bending component 1 and the supporting component 2 .

According to the tab bending device 100 for electric cores according to the embodiment of the present invention, the tabs 201 of the electric core 200 are bent by setting the bending part 1 and the supporting part 2. The operation process is simple and efficient, And it has high processing accuracy, and reduces the working intensity of processing personnel.

As shown in Fig. 1 and Fig. 2, the tab bending device 100 for electric cores also includes a bottom plate 4, wherein the support member 2 is movably arranged on the bottom plate 4 along the up and down direction, and the bending part 1 is movable along the horizontal direction ground on the bottom plate 4. In the horizontal direction, the distance between the bending part 1 and the supporting part 2 is adjustable, and the bending part 1 can be fixed at any position within the adjustment range.

Specifically, on the bottom plate 4 , the horizontal position of the bending part 1 can be adjusted to better cooperate with the supporting part 2 , so as to facilitate bending the tab 201 of the battery cell 200 and improve the bending accuracy.

More specifically, the distance between the bending part 1 and the supporting part 2 can be adjusted according to the size of the tab 201 that needs to be bent, and the bending part 1 can be fixed at the corresponding position, so that the bending of the tab 201 can be improved. dimensional accuracy.

Further, as shown in FIG. 1 and FIG. 2 , the support member 2 includes a first support member 21 and a second support member 22 arranged at intervals in the up and down direction, and the second support member 22 is relatively vertical to the first support member 21 . The position is adjustable, the first support 21 is used to fix the electric core 200, the position of the second support 22 relative to the first support 21 in the up and down direction is adjustable, so as to be suitable for placing the tab 201 of the electric core 200 close to the electric core A part of the body 202 is sandwiched between the first support member 21 and the second support member 22, and the first support member 21 can be arranged under the second support member 22, so that the tabs of the battery cell 200 201 is fixed, which is convenient to bend the tab 201 in cooperation with the bending component 1 , and can improve the bending accuracy of the tab 201 of the battery cell 200 .

Specifically, the second support 22 includes a second support plate 222 and a pressure block 221, the pressure block 221 is arranged on the surface of the second support plate 222 facing the first support 21, and the second support 22 is opposite to the first support. The position of the piece 21 is adjustable in the up and down direction, so as to fit a part of the tab 201 of the battery cell 200 close to the battery core body 202 between the pressure block 221 and the first support piece 21, so that the battery cell 200 The tab 201 is fixed, which is convenient for bending, and can improve the bending accuracy of the tab 201 of the battery cell 200 .

It can be understood that when the second support 22 moves downward relative to the first support 21 (that is, moves toward the first support 21 ), the pressure block 221 under the second support 22 can stop against the battery cell The tab 201 of the cell 200 is close to one end of the cell body 202, so that the tab 201 of the cell 200 is sandwiched between the pressing block 221 and the first support member 21, and the tab 201 of the cell 200 is fixed to facilitate alignment The ear 201 is bent, and the bending accuracy is effectively improved.

As shown in Figures 1 and 2, in the tab bending device 100 for electric cores according to the embodiment of the present invention, the first support member 21 is a first support plate 213, and the first support plate 213 is provided with a fixed Groove 211 , the battery cell 200 can be fixed in the fixing groove 211 , so as to limit the position of the battery cell 200 and fix the battery cell 200 on the first support plate 213 .

Further, as shown in Figures 1 and 2, a pick-up groove 212 is also provided on the first support plate 213, the pick-up groove 212 communicates with the fixing groove 211, and the bottom wall of the pick-up groove 212 is lower than the fixing groove 211 , so that the cell 200 can be easily taken out from the fixing groove 211 of the first support plate 213 .

Specifically, at least one pick-up groove 212 can be provided. In the specific example shown in FIG. 213, and the bottom wall of the pick-up groove 212 is lower than the bottom wall of the fixed groove 211, the specific size of the height difference between the bottom wall of the pick-up groove 212 and the bottom wall of the fixed groove 211 can be set according to actual needs, like this It is convenient to take out the battery cell 200 and improve the production efficiency.

As shown in Figures 1 and 2, the bending part 1 includes a fixed seat 11 and a roller 12 rotatably arranged on the fixed seat 11, the roller 12 is used to press against the tab 201 of the electric core 200, and the roller 12 is connected to the pole The ears 201 correspond one-to-one, and the fixing seat 11 is movably arranged on the bottom plate 4 along the horizontal direction, so that the bending part 1 can be adjusted to an appropriate position by adjusting the position of the fixing seat 11 on the bottom plate 4, and the bending part 1 The cooperation between the roller 12 and the support member 2 bends the tab 201 of the cell 200 . According to the tab bending device 100 for electric cores of the present invention, the tab 201 can be bent by the contact between the roller 12 and the tab 201 , and the bending accuracy of the tab 201 can be improved.

It can be understood that two rollers 12 can be provided to respectively stop against the two tabs 201 of the positive pole and the negative pole of the battery cell 200 , so as to facilitate bending the tabs 201 of the battery cell 200 at the same time.

As shown in Figures 1 and 2, further, the roller 12 is cylindrical, and a mounting hole and a pin shaft 111 are provided on the fixed base 11, and the pin shaft 111 passes through the mounting hole and the roller 12, and the roller 12 is installed on the On the fixed seat 11 , the roller 12 can rotate around the pin shaft 111 .

In some optional embodiments of the present invention, as shown in FIG. 2 , the bending part 1 may further include an adjustment device 13 , and the adjustment device 13 includes an adjustment base 131 and a lead screw 132 .

Specifically, the adjustment base 131 of the adjustment device 13 can be fixed on the bottom plate 4, and by adjusting the lead screw 132, one end of the lead screw 132 is stopped against the fixed seat 11, and the lead screw 132 is opposite to the position of the fixed seat 11 on the bottom plate 4. The horizontal position is adjusted, so that the fixing seat 11 can be adjusted to a proper position, which facilitates the cooperation of the bending part 1 and the supporting part 2, and improves the bending accuracy.

As shown in FIG. 2 , in the embodiment of the present invention, the tab bending device 100 for electric cores also includes a driving part 3 , which is connected to the support part 2 to drive the support part 2 to bend the part 1 move, thereby bending the tab 201 of the battery cell 200 .

As shown in Fig. 1 and Fig. 2, the tab bending device 100 for the electric core also includes a guide part 5, and the support member 2 is movably arranged on the guide part 5 along the up and down direction, so that the support part 2 is positioned on the guide part 5 It moves under the guiding action of the machine to improve the bending accuracy of the device.

Specifically, the guide part 5 can be a guide column 51, so as to have a better guiding effect.

Further, as shown in FIG. 1 and FIG. 2 , the guide part 5 is provided with a spring 52 , the spring 52 is sheathed on the guide post 51 , and the spring 52 has a return function. At the end of the bending process, under the action of the spring 52, the support member 2 will move upwards and return to the initial position (that is, the position where the bending process is not performed).

Specifically, as shown in FIG. 1 and FIG. 2 , a guide sleeve 53 is provided on the guide column 51 , so as to facilitate the guiding of the guide part 5 .

Further, the guide sleeve 53 is a T-shaped structure, and a through hole is provided in the middle to cooperate with the guide column 51. The guide sleeve 53 is composed of a cuboid with a through hole above and a cylinder with a through hole below, and the guide sleeve 53 is sleeved on the On the guide column 51, as shown in Figure 1 and Figure 2, the second support plate 222 is provided with 4 guide sleeves 53, and the 4 guide sleeves 53 are arranged around the second support plate 222, the cuboid above the guide sleeve 53 The lower surface abuts against the upper surface of the second support plate 222 .

Further, the first support plate 213 is also provided with a plurality of guide sleeves 53, and the guide sleeves 53 arranged on the first support plate 213 correspond to the guide sleeves 53 on the second support plate 222 in the vertical direction. , such a structural arrangement can better guide the support member 2 .

As shown in Figure 2, the driving part 3 is the indenter 31 of the press 300, and the bending part 1 can be connected with the workbench 301 of the press 300, so that the tab 201 of the cell 200 can be pressed under the action of the driving part 3 Bending, and the operation process is simple, while reducing the working intensity of the processing personnel.

Further, as shown in FIG. 1 and FIG. 2 , a matching portion may be provided at the bottom of the bottom plate 4 , which may be connected to the workbench 301 of the press 300 .

Referring to FIG. 2, the working process of the tab bending device 100 for electric cores is described:

The base plate 4 can be installed on the workbench 301 of the press 300, by fixing the adjustment device 13 on the corresponding position of the base plate 4, and by adjusting the lead screw 132 of the adjustment device 13, the horizontal position of the fixing seat 11 on the base plate 4 can be adjusted until proper position, and place the cell 200 in the fixing groove 211 on the first support plate 213 , at this time, the part of the tab 201 of the cell 200 close to the cell body 202 is located directly under the pressing block 221 . The pressing head 31 is driven to move downward, and the pressing head 31 abuts against the upper surface of the second support plate 222 to drive the second support member 22 to move downward relative to the first support plate 213 . During the downward movement of the second support member 22 , the pressure block 221 under the second support plate 222 stops against the tab 201 of the battery cell 200 , so that the tab 201 of the battery cell 200 is clamped on the press block 221 and between the first support plate 213. At this time, the battery cell 201 , the first support member 21 and the second support member 22 can be regarded as one body, and the battery cell 201 , the first support member 21 and the second support member 22 are directed toward the bottom plate 4 under the action of the pressure head 31 . Downward movement, during the downward movement of the indenter 31 relative to the bottom plate 4, the tab 201 of the cell 200 is in contact with the bending part 1, and the tab 201 of the cell 200 is bent under the action of the roller 12. The process is over. Lift the pressure head 31 of the press 300, under the action of the spring 52 of the guide part 5, the support member 2 is returned to the initial position (that is, the position before the pressure head 31 contacts the second support plate 222), and the 212 to take out the battery cell 200 .

According to the tab bending device 100 for electric cores according to the embodiment of the present invention, the tabs 201 of the electric core 200 are bent by setting the bending part 1 and the supporting part 2. The operation process is simple and efficient, And it has high processing precision, and does not need manual bending, which reduces the work intensity of processing personnel.

In the description of this specification, references to the terms "one embodiment," "some embodiments," "exemplary embodiments," "example," "specific examples," or "some examples" are intended to mean that the implementation Specific features, structures, materials or characteristics described in an embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications, substitutions and modifications, the scope of the present invention is defined by the claims and their equivalents.

Claims (10)

1. A tab bending device for electric cores, characterized in that it comprises: Bending parts, the bending parts are used to bend the tabs of the battery core; A supporting part, the supporting part is used to fix the electric core, and the supporting part is movable relative to the bending part so that the tab of the electric core abuts against the bending part and is bent by the bending part. 2. The tab bending device for electric cores according to claim 1, further comprising a bottom plate, wherein the support member is movably arranged on the bottom plate along the up and down direction, and the bending The parts are movably arranged on the bottom plate in the horizontal direction so that the horizontal distance of the bending part relative to the supporting part is adjustable and the bending part can be fixed at any position within the adjustment range . 3. The tab bending device for electric core according to claim 2, characterized in that, the support member comprises a first support piece and a second support piece arranged at intervals in the up and down direction, the second support piece The position of the support in the up and down direction relative to the first support is adjustable, the first support is used to fix the battery cell, and the position of the second support in the up and down direction relative to the first support is adjustable, It is suitable for sandwiching a part of the tab of the battery cell close to the battery core body between the first support member and the second support member. 4. The tab bending device for electric cores according to claim 3, characterized in that, the first support member is a first support plate, and the first support plate is provided with a fixing groove, and the electric cell The core is adapted to be fixed in the fixing groove. 5. The tab bending device for electric cores according to claim 4, characterized in that, the first support plate is also provided with a pick-up groove, and the pick-up groove communicates with the fixing groove , and the bottom wall of the picking groove is lower than the bottom wall of the fixing groove. 6. The tab bending device for electric cores according to claim 4, wherein the second support member comprises a second support plate and a pressing block provided on the second support plate, so that The position of the second supporting member in the vertical direction relative to the first supporting member is adjustable, so as to be suitable for sandwiching a part of the tab of the battery cell close to the battery core body between the pressing block and the first supporting member between. 7. The tab bending device for electric cores according to claim 2, wherein the bending part comprises a fixed seat and a roller rotatably arranged on the fixed seat, and the roller is used for The pole lugs of the piezoelectric cell are pressed against, and the rollers correspond to the pole lugs one by one, and the fixing base is movably arranged on the bottom plate along the horizontal direction. 8. The tab bending device for electric cores according to any one of claims 1-7, further comprising a driving part connected to the supporting member to drive the The supporting part moves relative to the bending part. 9 . The tab bending device for electric cores according to claim 8 , further comprising a guide portion, on which the support member is movably arranged in an up-down direction. 10 . 10 . The tab bending device for electric cores according to claim 8 , wherein the driving part is a press head of a press, and the bending part is connected to a worktable of the press. 11 .