CN219985834U - Top-sealed folded pole earphone structure - Google Patents

Abstract

The utility model discloses a top-sealed folded pole earphone structure, which comprises: the support device is provided with a support platform for placing the battery cells; the positioning device comprises a positioning seat, a first pressure piece and a second pressure piece, wherein the first pressure piece and the second pressure piece are both arranged on the positioning seat, and the position of the second pressure piece on the positioning seat is adjustable; the bending device comprises an upper bending piece, a lower bending piece, a driving piece and a positioning assembly, wherein the upper bending piece is arranged on the first pressure piece, the lower bending piece is arranged on the driving piece, the driving piece is arranged on the positioning assembly, and the position of the driving piece on the positioning assembly is adjustable. The utility model solves the problem that the folded pole earphone structure cannot be used generally, saves the production cost, avoids the problem that the pole lug is broken when being folded, and avoids the appearance defects of dislocation, wrinkling, sharp angle, dent and the like of the top seal of the battery cell through limit.

Description

Top-sealed folded pole earphone structure

Technical Field

The utility model relates to the technical field of lithium battery production equipment, in particular to a top-sealed folded electrode earphone structure.

Background

In the battery core of the lithium battery, the function of the tab is to provide a battery connection and current transmission passage, the tab is usually made of metal sheets of various materials, and before the battery core is packaged by an aluminum plastic film, the tab folding operation is required to be performed, so that the packaging reliability is ensured. The tab folding is generally performed by a dedicated tab folding device.

For example, chinese patent document with application publication number CN110828763a discloses a battery cell pre-folding tab device, which comprises a mounting plate, a positioning and pressing mechanism and a folding mechanism, wherein the positioning and pressing mechanism is arranged on the mounting plate and is used for propping against and positioning the battery cell body. The bending mechanism is arranged on the mounting plate and used for bending the electrode lugs and the top cover pins. The device can accurately bend the lug and the top cover pin.

However, the conventional tab folding device including the above device has the following problems:

firstly, a folded electrode earphone structure cannot be used universally, and replacement and customization are required according to different battery cores or electrode lug models, so that cost waste is caused;

secondly, as no protective measures are provided, the lugs are easy to break in batches when being bent, so that fatal bad accidents of the battery cells are caused, and a great deal of manpower and material resources are required to be spent for screening and intercepting the battery cells in the follow-up process;

finally, the electrode lug bending mechanism cannot ensure that the electrode lug is bent in place, so that the top seal is widened and pressed and deformed easily when the battery cell is put into the shell, and the problem of appearance defects such as dislocation, wrinkling, sharp corners, concave defects and the like of the top seal of the battery cell is caused.

In view of this, improvements to existing folded pole ear mechanisms are needed.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a top-sealed electrode folding earphone structure, which solves the problems that the existing electrode folding earphone structure cannot be used generally and is easy to cause batch breakage of electrode lugs or cannot be folded in place, and improves the yield and efficiency of cell production.

The utility model discloses a top-sealed folded pole earphone structure, which comprises: the support device is provided with a support platform for placing the battery cells; the positioning device comprises a positioning seat, a first pressure piece and a second pressure piece, wherein the first pressure piece and the second pressure piece are both arranged on the positioning seat, and the position of the second pressure piece on the positioning seat is adjustable; the bending device comprises an upper bending piece, a lower bending piece, a driving piece and a positioning assembly, wherein the upper bending piece is arranged on the first pressure piece, the lower bending piece is arranged on the driving piece, the driving piece is arranged on the positioning assembly, and the position of the driving piece on the positioning assembly is adjustable.

Preferably, a chamfer is provided on the first pressure member, the chamfer being directed towards the upper bending member.

Preferably, the positioning seat is provided with an adjusting groove, the adjusting groove is a strip-shaped through groove, and the second pressure piece is connected to the positioning seat through a connecting piece penetrating through the adjusting groove.

Preferably, two adjusting grooves are arranged in parallel, and each adjusting groove is internally provided with a connecting piece for connecting the second pressure piece in a penetrating way.

Preferably, the positioning seat is provided with a connecting shoulder, the first pressure piece is provided with a first positioning groove, the second pressure piece is provided with a second positioning groove, the first positioning groove is clamped on the connecting shoulder, and the second positioning groove is clamped on the connecting shoulder.

Preferably, the upper bending member is provided with an adjusting groove, the adjusting groove is a long strip-shaped through groove, and the upper bending member is connected to the first pressure member through a connecting member penetrating through the adjusting groove.

Preferably, the upper bending piece is provided with an upper bending surface, the lower bending piece is provided with a lower bending surface, the upper bending surface and the lower bending surface are arranged opposite to each other, and the lower bending piece is driven by the driving piece to enable the lower bending surface to be attached to the upper bending surface.

Preferably, the lower bending piece is provided with a limiting surface, and the lower bending piece is driven by the driving piece to enable the limiting surface to be in contact with the supporting device.

Preferably, the positioning assembly comprises a mounting seat, a connecting seat, a sliding piece and a guiding piece, wherein the guiding piece is mounted on the mounting seat, the driving piece is mounted on the connecting seat, the sliding piece is mounted on the connecting seat, and the sliding piece is connected onto the guiding piece in a sliding manner.

Preferably, the driving member is a servo cylinder.

The utility model has the beneficial effects that:

firstly, the position of the second pressure piece is adjusted, so that the folded electrode earphone structure is suitable for pressing and positioning of multiple battery cells with different specifications, and the application range is wider;

secondly, the positions of the upper bending piece and the lower bending piece can be adjusted, so that fine adjustment can be performed according to fluctuation conditions of incoming materials in production;

moreover, the chamfer is arranged on the first pressing block, so that the tab can be prevented from being broken when the lower bending piece is bent;

finally, the limiting surface on the lower bending piece plays a role in limiting and can be contacted with the side surface of the supporting platform, so that the lower bending piece is prevented from damaging the battery cell on the supporting platform;

in summary, the utility model solves the problem that the folded electrode earphone structure cannot be used universally, saves the production cost, avoids the problem that the electrode lug is broken when being folded, and solves the appearance defect problems of dislocation, wrinkling, sharp angle, dent and the like of the top seal of the battery cell by adjusting the position of the folded piece and limiting the folded piece.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic view of the overall structure of the present utility model, a first view angle;

FIG. 2 is a schematic structural view of the positioning device and the upper bending member, and a first view angle;

FIG. 3 is a schematic structural view of the positioning device and the upper bending member, and a second view angle;

FIG. 4 is a schematic view of the structure of the support device and the bending device;

fig. 5 is a schematic overall structure of the present utility model, and a second view angle.

Reference numerals illustrate: 01. a battery cell; 011. a tab; 1. a support device; 11. a support platform; 2. a positioning device; 21. a positioning seat; 211. a connecting shoulder; 212. a locking hole; 213. an adjustment tank; 22. a first pressure member; 221. a first positioning groove; 222. chamfering; 23. a second pressure member; 231. a second positioning groove; 3. a bending device; 31. an upper bending piece; 311. an upper bending surface; 312. an adjustment groove; 32. a lower bending member; 321. a lower bending surface; 322. a limiting surface; 33. a driving member; 34. a positioning assembly; 341. a mounting base; 342. a connecting seat; 343. a slider; 344. a guide.

Detailed Description

Various embodiments of the utility model are disclosed in the following drawings, in which details of the practice are set forth in the following description for the purpose of clarity. However, it should be understood that these practical details are not to be taken as limiting the utility model. That is, in some embodiments of the utility model, these practical details are unnecessary. Moreover, for the sake of simplicity of the drawing, some well-known and conventional structures and elements are shown in the drawings in a simplified schematic manner.

It should be noted that all directional indications such as up, down, left, right, front, and rear … … in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture such as that shown in the drawings, and if the particular posture is changed, the directional indication is changed accordingly.

In addition, the descriptions of the "first", "second", etc. in this application are for descriptive purposes only and are not intended to specifically indicate a sequential or a cis-position, nor are they intended to limit the utility model, but are merely intended to distinguish between components or operations described in the same technical term, and are not to be construed as indicating or implying a relative importance or implying that the number of technical features indicated is not necessarily limited. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

For a further understanding of the utility model, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:

referring to fig. 1-5, the top-sealed tab-folding mechanism disclosed by the utility model comprises a supporting device 1, a positioning device 2 and a bending device 3, wherein the supporting device 1 is provided with a supporting platform 11, the supporting platform 11 is a plane which is horizontally arranged, the supporting platform 11 is used for supporting a battery cell 01 of a tab 011 to be bent, and when the top-sealed tab-folding mechanism is used, the positioning device 2 moves the battery cell 01 onto the supporting platform 11, and the tab 011 of the battery cell 01 is bent through the action of the bending device 3.

Referring to fig. 1-5, the positioning device 2 includes a positioning seat 21, a first pressure member 22 and a second pressure member 23, where the positioning seat 21 has an H-shaped structure, the positioning seat 21 is connected to a manipulator device (not shown in the figure), and the manipulator device can drive the positioning seat 21 to move, so as to achieve the purpose of shifting the battery cell 01; the position that positioning seat 21 is close to the tip has seted up two locking holes 212, the locking hole 212 is the through-hole of echelonment, two opposite edges department of positioning seat 21 is provided with the connection shoulder 211, the connection shoulder 211 is the echelonment structure, first pressure spare 22 is the cuboid structure, first constant head tank 221 has been seted up on the one side of first pressure spare 22, first constant head tank 221 is the recess, first constant head tank 221 opening up sets up, first constant head tank 221 card is between two connection shoulders 211, first pressure spare 22 is through wearing the bolt (not shown in the figure) of establishing respectively in two locking holes 212 as connecting piece fixed connection on positioning seat 21.

Referring to fig. 1 to 5, two adjusting grooves 213 are formed in the positioning seat 21, the adjusting grooves 213 are elongated grooves, the adjusting grooves 213 are stepped through grooves, the two adjusting grooves 213 are parallel to each other, the second pressure member 23 is of a cuboid structure, a second positioning groove 231 is formed in one surface of the second pressure member 23, the second positioning groove 231 is a groove, the opening of the second positioning groove 231 is upward, the second positioning groove 231 is clamped between the two connecting shoulders 211, and the second pressure member 23 is fixedly connected to the positioning seat 21 by bolts (not shown in the figure) respectively penetrating through the two adjusting grooves 213 as connecting members; the position of the second pressure member 23 on the positioning seat 21 can be adjusted, the second pressure member 23 is moved along the length direction of the adjusting groove 213 by taking down the bolt connected to the second pressure member 23, and the second positioning groove 231 is always kept clamped between the two connecting shoulders 211, so that the position of the second pressure member 23 on the positioning seat 21 can be changed, after the position of the second pressure member 23 is selected, the bolt passes through the adjusting groove 213 again and is in threaded connection with the second pressure member 23, and the position of the second pressure member 23 can be locked, thereby realizing the purpose of adjusting the position of the second pressure member 23.

Referring to fig. 1-5, suction cups (not shown) are disposed on the downward surfaces of the first pressure member 22 and the downward surfaces of the second pressure member 23, and the manipulator device can suck the battery cell 01 through the suction cups by moving the positioning seat 21 and the two pressure members above the battery cell 01 and then move the battery cell 01 to the supporting platform 11 to press, so that unnecessary movement of the battery cell 01 during the tab folding 011 action is avoided.

Referring to fig. 1 to 5, the bending device 3 includes an upper bending member 31, a lower bending member 32, a driving member 33 and a positioning assembly 34, where the upper bending member 31 is in a block structure, the upper bending member 31 is detachably and fixedly connected to the first pressure member 22 by using a bolt as a connecting member (not shown in the drawing), the upper bending member 31 is provided with a plurality of adjusting slots 312, the adjusting slots 312 are vertically provided with elongated through slots, and fixing bolts of the upper bending member 31 are respectively inserted into the plurality of adjusting slots 312, and the position of the upper bending member 31 relative to the first pressure member 22 can be adjusted by changing the relative positions of the bolts and the adjusting slots 312, so as to adapt to bending requirements of lugs 011 with different specifications; the upper bending member 31 has an upper bending surface 311, and the upper bending surface 311 is disposed downward, and is used to mutually cooperate with the lower bending member 32 to bend the tab 011.

Referring to fig. 1 to 5, the positioning assembly 34 includes a mounting seat 341, a connection seat 342, a sliding member 343 and a guiding member 344, wherein the mounting seat 341 is mounted on a frame (not shown in the drawings) of the apparatus, the guiding member 344 adopts a linear guide, the guiding member 344 is vertically mounted on the mounting seat 341, the connection seat 342 is used for connecting the driving member 33, the sliding member 343 is fixedly mounted on the connection seat 342, the sliding member 343 adopts a linear slider, and the sliding member 343 is slidably connected on the linear guide of the guiding member 344, so that the height position of the connecting member can be changed through the cooperation of the guiding member 344 and the sliding member 343, and the purpose of adjusting the vertical position of the driving member 33 is achieved.

Referring to fig. 1-5, a servo cylinder is adopted for a driving member 33, the driving member 33 is fixedly mounted on a connecting member, a lower bending member 32 is fixedly mounted at the end part of a piston rod of the servo cylinder of the driving member 33, a lower bending surface 321 is arranged on the lower bending member 32, the lower bending surface 321 is upward arranged and opposite to an upper bending surface 311, the lower bending member 32 can be pushed to the upper bending member 31 through the expansion and contraction of the piston rod of the servo cylinder of the driving member 33, the lower bending surface 321 and the upper bending surface 311 are mutually attached, and the action of bending the battery cell 01 tab 011 under the action of pressure is realized.

Referring to fig. 1-5, in order to avoid the tab 011 from being broken when the lower bending piece 32 bends the tab 011, a chamfer 222 is provided at the edge of the first pressure piece 22 facing the upper bending piece 31, the chamfer 222 is at an angle of 45 °, and when the lower bending surface 321 is attached to the upper bending surface 311, the chamfer 222 can play a role of yielding, so as to provide an extended space for the bent tab 011, thereby being beneficial to avoiding the tab 011 from being broken due to the bending abrupt change of the tab 011; the lower bending piece 32 is further provided with a limiting surface 322, the limiting surface 322 faces the side surface of the supporting platform 11, when the lower bending piece 32 moves upwards to the bending piece 31, the limiting surface 322 can be in contact with the side surface of the supporting platform 11 at most by 180 degrees, so that the limiting effect is achieved, the phenomenon that the side surface of the lower bending piece 32 exceeds the point supporting platform 11 to be in contact with the battery cell 01 is avoided, and the lower bending piece 32 damages the main body of the battery cell 01 during bending.

Before carrying out tab 011 operation on a certain specification of battery cell 01, an operator firstly adjusts the position of the second pressure piece 23 on the positioning seat 21, the position of the upper bending piece 31 on the first pressure piece 22 and the upper and lower positions of the connecting seat 342 according to the specification size of the battery cell 01, so as to ensure that the bending device 3 can adapt to the battery cell 01 with the specification size;

then bending operation is carried out, the positioning device 2 is driven to move through the mechanical arm device, so that the sucking discs on the two pressure pieces move the cell 01 of the tab 011 to be bent to the supporting platform 11, the edge of the cell 01 is positioned at the inner side of the edge of the first pressure piece 22, and the cell 01 is prevented from being scrapped due to the fact that the lower bending piece 32 touches the main body of the cell 01 during bending; after the battery cell 01 is placed on the supporting platform 11, the lower bending piece 32 is driven to move by the servo cylinder of the driving piece 33, so that the lower bending piece 32 gradually approaches the upper bending piece 31 upwards, and finally the lower bending surface 321 approaches to the position attached to the upper bending surface 311, so that the action of bending the tab 011 of the battery cell 01 is realized;

therefore, the utility model has the beneficial effects that firstly, the electrode lug folding mechanism can be adjusted according to the battery cells 01 with different specifications, so that the electrode lug folding mechanism can be suitable for various battery cells 01 with different specifications, and the application range is wider; secondly, the positions of the upper bending piece 31 and the lower bending piece 32 can be adjusted, so that fine adjustment can be performed according to fluctuation conditions of incoming materials in production; moreover, the chamfer 222 is arranged on the first pressing block, so that the tab 011 can be prevented from being broken when the lower bending piece 32 is bent; finally, the limiting surface 322 on the lower bending piece 32 plays a limiting role and can be contacted with the side surface of the supporting platform 11, so that the lower bending piece 32 is prevented from damaging the battery cell 01 on the supporting platform 11.

The above is merely an embodiment of the present utility model, and is not intended to limit the present utility model. Various modifications and variations of the present utility model will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, or the like, which is within the spirit and principles of the present utility model, should be included in the scope of the claims of the present utility model.

Claims (10)

1. A top seal folded pole earphone mechanism, comprising:

the battery cell module comprises a support device (1), wherein the support device (1) is provided with a support platform (11) for placing the battery cell (01);

the positioning device (2) comprises a positioning seat (21), a first pressure piece (22) and a second pressure piece (23), wherein the first pressure piece (22) and the second pressure piece (23) are both arranged on the positioning seat (21), and the position of the second pressure piece (23) on the positioning seat (21) is adjustable;

bending device (3), bending device (3) are including last bending piece (31), lower bending piece (32), driving piece (33) and locating component (34), go up bending piece (31) and install on first pressure piece (22), lower bending piece (32) are installed on driving piece (33), driving piece (33) are installed on locating component (34), driving piece (33) are in the position on locating component (34) is adjustable.

2. The top seal folded tab mechanism of claim 1, wherein the first pressure member (22) is provided with a chamfer (222), the chamfer (222) being oriented toward the upper bending member (31).

3. The top-sealed tab mechanism according to claim 1, wherein the positioning seat (21) is provided with an adjusting groove (213), the adjusting groove (213) is a long-strip-shaped through groove, and the second pressure member (23) is connected to the positioning seat (21) through a connecting member penetrating through the adjusting groove (213).

4. A top-sealed tab mechanism according to claim 3, wherein two adjusting grooves (213) are provided, the two adjusting grooves (213) are disposed parallel to each other, and a connecting member for connecting the second pressure member (23) is disposed in each adjusting groove (213).

5. The top seal tab mechanism according to claim 1, wherein a connecting shoulder (211) is provided on the positioning seat (21), a first positioning groove (221) is provided on the first pressure member (22), a second positioning groove (231) is provided on the second pressure member (23), the first positioning groove (221) is clamped on the connecting shoulder (211), and the second positioning groove (231) is clamped on the connecting shoulder (211).

6. The top-sealed tab mechanism according to claim 1, wherein the upper bending member (31) is provided with an adjustment groove (312), the adjustment groove (312) is a long-strip-shaped through groove, and the upper bending member (31) is connected to the first pressure member (22) through a connecting member penetrating through the adjustment groove (312).

7. The top-sealed tab-bending mechanism according to claim 1, wherein an upper bending surface (311) is provided on the upper bending member (31), a lower bending surface (321) is provided on the lower bending member (32), the upper bending surface (311) and the lower bending surface (321) are arranged facing each other, and the lower bending member (32) is driven by the driving member (33) to make the lower bending surface (321) fit with the upper bending surface (311).

8. The top-sealed tab mechanism of claim 7, wherein the lower bending member (32) is provided with a limiting surface (322), and the lower bending member (32) is driven by the driving member (33) to contact the limiting surface (322) with the supporting device (1).

9. The top seal tab mechanism of any one of claims 1-8, wherein the positioning assembly (34) comprises a mounting base (341), a connecting base (342), a sliding member (343) and a guiding member (344), the guiding member (344) is mounted on the mounting base (341), the driving member (33) is mounted on the connecting base (342), the sliding member (343) is mounted on the connecting base (342), and the sliding member (343) is slidably connected on the guiding member (344).

10. The top-seal tab mechanism of any one of claims 1-8, wherein the driving member (33) is a servo cylinder.