CN220021203U - Device for folding bottom edge of battery cell adhesive tape - Google Patents

Abstract

The utility model discloses a bottom edge folding device of an electric core adhesive tape, which comprises an electric core positioning mechanism and two primary ear folding mechanisms positioned on two opposite sides of the electric core positioning mechanism, wherein a pressing mechanism is arranged above the electric core positioning mechanism, and a secondary ear folding mechanism is arranged on the rear side of the electric core positioning mechanism; the primary ear folding mechanism comprises a primary ear folding roller capable of horizontally moving, and the axial direction of the primary ear folding roller is vertical to the horizontal direction; the secondary lug folding mechanism comprises two secondary lug folding rollers capable of reciprocating in the horizontal direction and the vertical direction, and the two secondary lug folding rollers are mutually separated along the axial direction; the axial direction of the two secondary lug folding rollers is perpendicular to the axial direction of the primary lug folding roller. The utility model adopts the automatic bottom edge folding ear mechanism to glue the bottom edge of the battery cell, has no staff operation, can avoid bad appearance caused by frequent contact of hands with the battery cell during manual operation, and has stable production efficiency.

Description

Device for folding bottom edge of battery cell adhesive tape

Technical Field

The utility model relates to the technical field of battery cell processing, in particular to a device for folding the bottom edge of a battery cell adhesive tape.

Background

In the process of producing the battery cell, after the side adhesive tapes 110 are attached to the two sides of the battery cell 100 shown in the first diagram in fig. 1, the side adhesive tapes 100 are partially wrapped around the side edges and two surfaces of the battery cell (see the second diagram in fig. 1), two vertically connected tabs wrapping the bottom 150 of the battery cell are configured at the bottom of each side adhesive tape 110, after the side adhesive tapes are attached to the battery cell 100, the first tab 120 on the side needs to be folded inwards and then wrapped around the bottom of the battery cell (see the third diagram in fig. 1), then the second tab 130 on one surface of the battery cell is folded inwards and wrapped around the bottom surface 160 of the side adhesive tape wrapped around the other surface 140 of the battery cell after the first tab 120 previously folded is pressed at the bottom of the battery cell, and then the two tabs are folded inwards and bonded together (see the fourth diagram in fig. 1).

The existing battery cell side tape sticking equipment does not have the function of realizing the side ear edge folding, can not realize automatic blanking, needs manual blanking and manual ear folding action, is manually operated by staff, and causes various appearance defects of the battery cell easily due to frequent contact of the battery cell by hands; the production efficiency of fatigue of people after long-time high-strength operation cannot be ensured; moreover, as the automatic blanking machine cannot be used normally, one staff is added to operate, and manpower is wasted; therefore, how to realize the automatic bottom edge and ear folding action of the battery cell is a problem to be solved.

Disclosure of Invention

The utility model aims at solving the problems in the prior art, and provides a battery cell adhesive tape bottom edge folding device which realizes the function of automatically folding bottom edges and ears and has low failure rate.

The utility model is realized in such a way that the bottom edge folding device of the battery cell adhesive tape comprises a battery cell positioning mechanism and two primary ear folding mechanisms positioned on two opposite sides of the battery cell positioning mechanism, wherein a pressing mechanism is arranged above the battery cell positioning mechanism, and a secondary ear folding mechanism is arranged on the rear side of the battery cell positioning mechanism; the primary ear folding mechanism comprises a primary ear folding roller capable of horizontally moving, and the axial direction of the primary ear folding roller is vertical to the horizontal direction; the secondary lug folding mechanism comprises two secondary lug folding rollers capable of reciprocating in the horizontal direction and the vertical direction, and the two secondary lug folding rollers are mutually separated along the axial direction; the axial direction of the two secondary lug folding rollers is perpendicular to the axial direction of the primary lug folding roller.

The battery cell positioning mechanism comprises a battery cell placing plate which is horizontally arranged, wherein a convex part which is formed by extending upwards in the vertical direction is arranged at the rear end of the battery cell placing plate so as to limit the battery cell placed on the battery cell placing plate at the rear end; two positioning plates which are arranged at intervals and used for positioning the battery cells are arranged on the top surface of the battery cell placing plate, and a battery cell positioning area is formed between the two positioning plates at intervals so as to position the battery cells to be processed and placed on the battery cell placing plate left and right.

The battery cell inlet of the battery cell positioning area formed between the two positioning plates forms a flaring structure so as to facilitate the input of the battery cell.

The pressing mechanism comprises a battery cell pressing block which is driven to vertically move.

The battery cell pressing block is connected with the linear driving mechanism and driven by the linear driving mechanism to vertically lift.

The primary folding ear roller is rotatably arranged below the near front end of the pushing plate.

The primary lug folding roller is connected with the pushing plate through a bearing arranged in the pushing plate and is arranged below the lower surface of the pushing plate.

The pushing plate is arranged on a linear mechanism for driving the pushing plate to horizontally and linearly reciprocate, and the linear mechanism is arranged on a X, Y adjusting mechanism.

The secondary lug folding mechanism comprises a roller mounting seat capable of moving in a reciprocating mode in two directions of the horizontal direction and the vertical direction, and two secondary lug folding rollers are mounted at the front ends of the roller mounting seat.

The two sides of the front end of the roller mounting seat are provided with two protruding parts, so that the front end of the roller mounting seat forms a U-shaped structure, and the two secondary lug folding rollers are respectively mounted on the inner sides of the protruding parts through a bearing.

The utility model adopts the automatic bottom edge folding ear mechanism to fold the bottom edge of the battery cell adhesive tape, has no staff operation, can avoid poor appearance caused by frequent contact of hands with the battery cell during manual operation, has stable production efficiency, and can restore the automatic blanking function of the equipment for attaching the side edge adhesive tape to the battery cell.

Drawings

Fig. 1 is a schematic diagram of a bottom edge folding process after a side tape is attached to a battery cell in the prior art.

Fig. 2 is a schematic structural diagram of a device for folding the bottom edge of a battery cell adhesive tape according to the present utility model.

Fig. 3 is a schematic structural view of a frame of a device for folding a bottom edge of a battery cell tape according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a pressing mechanism of the device for folding the bottom edge of the battery cell adhesive tape according to the embodiment of the utility model.

Fig. 5 is a schematic structural view of a left primary ear folding mechanism of the device for folding the bottom edge of the battery cell adhesive tape according to an embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a right-side primary ear folding mechanism of the battery cell tape bottom edge folding device according to an embodiment of the utility model.

Fig. 7 is a schematic structural diagram of a secondary ear folding mechanism according to an embodiment of the present utility model.

Reference numerals illustrate:

100-battery cell, 110-side adhesive tape, 120-first tab, 130-second tab, 140-battery cell surface, 150-battery cell bottom, 160-side adhesive tape near bottom outer surface;

1-frame

101-bottom plates, 102-supporting plates, 103-cell placement plates, 104-positioning plates, 105-vertical plates, 106-back plates, 107-pressing mechanism mounting plates, 108-supporting blocks and 109-convex parts;

2-hold-down mechanism

201-a cylinder mounting plate, 202-a cylinder with a guide rod and 203-a battery cell pressing block;

3-left side one-time folding earphone structure

301-a first X-Y manual sliding table, 302-a first connecting seat, 303-a first sliding table cylinder, 304-a first pushing plate, 305-a first bearing and 306-a left side primary lug folding roller;

4-right side one-time folding earphone structure

401-second X-Y manual sliding table, 402-second connecting seat, 403-second sliding table cylinder, 404-second pushing plate, 405-second bearing and 406-right side primary lug folding roller;

5-secondary earphone structure

501-third slipway cylinder, 502-cylinder connecting seat, 503-fourth slipway cylinder, 504-roller mounting seat, 505-secondary lug folding roller, 506-third bearing.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments of the present utility model will be clearly and completely described in the following in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments.

Referring to fig. 2, the utility model provides a device for folding a bottom edge of a battery cell adhesive tape, which comprises a battery cell positioning mechanism, a left primary folding mechanism 3 and a right primary folding mechanism 4 which are positioned on two opposite sides of the battery cell positioning mechanism, wherein a pressing mechanism 2 is arranged above the battery cell positioning mechanism, and a secondary folding mechanism 5 is arranged on the rear side of the battery cell positioning mechanism; the battery cell positioning mechanism is used for positioning the battery cell to be processed sent by the preamble transfer mechanism, the pressing mechanism 2 is used for pressing the battery cell to be processed above, then the left primary ear folding mechanism 3, the right primary ear folding mechanism 4 and the secondary ear folding mechanism 5 act according to the preset process requirement to fold the battery cell, in some embodiments, the primary ear folding mechanism comprises a primary ear folding roller capable of horizontally moving, and the primary ear folding mechanism comprises a left primary ear folding roller 306 and a right primary ear folding roller 406, and the axial direction of the primary ear folding roller is vertical to the horizontal direction; the secondary lug folding mechanism 5 comprises two secondary lug folding rollers 505 capable of reciprocating in the horizontal direction and the vertical direction, and the two secondary lug folding rollers 505 are mutually separated along the axial direction; the axial direction of the two secondary lug rollers 505 is perpendicular to the axial direction of the primary lug roller

When the electric core is folded, the left side primary folding mechanism 3 and the right side primary folding mechanism 4 synchronously act, the left side primary folding roller 306 and the right side primary folding roller 406 are used for folding the first lug at the left side and the right side of the electric core, the first lug is folded at the bottom of the electric core, then the secondary folding mechanism 6 acts, the secondary folding roller 505 is used for folding the second lug at the bottom of the electric core, the secondary folding roller 505 moves vertically upwards at first, the second lug is folded at the bottom of the electric core, the second lug is simultaneously wrapped on the first lug which is folded at the same time, then horizontally moves again, and the second lug is wrapped on the outer surface of the side adhesive tape near the bottom of the electric core, as shown in fig. 1.

Referring to fig. 3, fig. 3 shows a structure of a rack 1 according to an embodiment of the present utility model, the cell positioning mechanism is disposed in the rack 1, and as a part of the rack, the cell positioning mechanism includes a horizontally disposed cell placement plate 103, the cell placement plate 103 may be disposed at a certain height, a protrusion 109 formed by extending in a vertical direction is disposed at a rear end of the cell placement plate 103, so as to limit a cell placed thereon at a rear end, and a positioning plate 104 for positioning the cell is disposed on a top surface of the cell placement plate; the two positioning plates 104 are long and arranged at intervals along the width direction, and a cell positioning area is formed in the middle of the two positioning plates so as to play a role in left and right positioning on the cells to be processed and placed on the cell placement plate 103.

In some embodiments, the distance between the two positioning plates 104 may be adjustable to accommodate the positioning requirements of the cells of different sizes. In order to facilitate the placement of the battery cells to be processed, the battery cell inlets of the battery cell positioning areas formed between the two positioning plates 104 form a flaring structure, so as to facilitate the input of the battery cells.

In some embodiments, referring to fig. 3, the cell placement plate 103 is supported at the bottom by a vertically arranged support plate 102 at a predetermined height, the support plate 102 is fixed on the upper surface of a horizontally arranged bottom plate 101, and a plurality of support blocks 108 are arranged at intervals on the lower surface of the bottom plate 101 to support the rack.

The frame 1 further includes two opposite vertical plates 105 disposed on the bottom plate 101, wherein the upper ends of the two vertical plates 105 are connected with a pressing mechanism mounting plate 107, the rear ends of the two vertical plates are connected with a back plate 106, the pressing mechanism mounting plate 107 is used for fixing the pressing mechanism 2, the back plate 106 can be used for fixedly mounting the secondary ear folding mechanism 5, and the vertical plates 105 are used for fixing the left primary ear folding mechanism 3 and the right primary ear folding mechanism 4, as shown in fig. 2.

In some embodiments, referring to fig. 4, the pressing mechanism 2 includes a vertically moving cell pressing block 203, where the cell pressing block 203 is connected to a linear mechanism, and is driven by a linear driving mechanism to vertically lift and press a cell placed on the cell placement plate 103 above; after the battery cell is in place, the linear driving mechanism drives the battery cell pressing block 203 to move downwards to press the battery cell, so that the folding operation of the folding mechanism on the outer side of the battery cell is facilitated.

The linear driving mechanism may be an air cylinder, preferably an air cylinder 202 with a guide rod, so that the guide rod can be used to ensure the accuracy of the vertical movement of the battery cell pressing block 203 without deviation, and of course, other air cylinders or other linear driving mechanisms may be used, which is not limited to the air cylinder with the guide rod.

Taking the belt guide cylinder 202 as an example, the belt guide cylinder 202 is mounted on the cylinder mounting plate 201, the cylinder mounting plate 201 is fixed on the pressing mechanism mounting plate 107 through bolts, and after the battery cell is in place, the belt guide cylinder 202 drives the battery cell pressing block 203 to move downwards to press the battery cell.

In some embodiments, as shown in fig. 5, the left primary ear folding mechanism 3 includes a first pushing plate 304, the position near one end of the first pushing plate 304 is preferably provided with the left primary ear folding roller 306, the left primary ear folding roller 306 is located on the lower surface of the first pushing plate 304, the axial direction of the left primary ear folding roller 306 is perpendicular to the moving direction of the pushing plate 304, the first pushing plate 304 is driven by the first linear mechanism to reciprocate and linearly move, and the left primary ear of the battery cell is folded by the left primary ear folding roller 306, so that the left primary ear is wrapped at the bottom of the battery cell after being folded inwards, as shown in fig. 1. In some embodiments, the left primary lug roller 306 is mounted on the first push plate 304 by a first bearing 305, and the first bearing 305 is disposed in a bearing hole of the first push plate 304.

In some embodiments, preferably, the first linear mechanism may be a cylinder, for example, the first linear mechanism includes a first sliding table cylinder 303, the first pushing plate 304 is mounted on the first sliding table cylinder 303, and the first pushing plate 304 mounted on the first sliding table cylinder 303 is driven to reciprocate by the first sliding table cylinder 303 to linearly move; in some embodiments, the first sliding table cylinder 303 is mounted on the first connecting seat 302 capable of adjusting the position of X, Y, the first connecting seat 302 can be mounted on an X-Y adjusting platform to adjust the position of the X-Y direction, preferably, for example, the first X-Y manual sliding table 301 is mounted on the first vertical plate 105, the first X-Y manual sliding table 301 can be mounted on the first vertical plate 105 to adjust the position of the first sliding table cylinder 303 on the first connecting seat 302 in X, Y directions, so that the position of the first pushing plate 304 is adjusted, the position of the first left primary lug folding roller 306 is adjusted, and the first left primary lug folding roller is fixed after the adjustment, so that primary lug folding operation on the left side of the battery cell is conveniently and better performed.

In some embodiments, as shown in fig. 6, the right primary folding mechanism 4 has the same structure as the left primary folding mechanism, and includes a second pushing plate 404, where a right primary folding roller 406 is mounted on a position near one end of the second pushing plate 404, preferably, the right primary folding roller 406 is located on a lower surface of the second pushing plate 404, an axial direction of the right primary folding roller 406 is perpendicular to a moving direction of the second pushing plate 404, and the second pushing plate 404 is driven by a second linear mechanism to reciprocate and linearly move, so that the first tab on the right side of the electric core is folded by the right primary folding roller 406 and then wrapped on the right side of the bottom of the electric core, as shown in fig. 1. In some embodiments, the right primary ear roller 406 is mounted on the second pushing plate 404 through a second bearing 405, and the second bearing 405 is disposed in a bearing hole of the second pushing plate 404.

In some embodiments, preferably, the second linear mechanism may be an air cylinder, for example, the second linear mechanism includes a second sliding table air cylinder 403, the second pushing plate 404 is mounted on the second sliding table air cylinder 403, and the second pushing plate 404 mounted on the second linear mechanism is driven to reciprocate by the second sliding table air cylinder 403 to linearly move; in some embodiments, the second sliding table cylinder 403 is mounted on a second connecting seat 402 capable of adjusting the X, Y direction, the second connecting seat 402 can be mounted on an X-Y adjusting platform to adjust the position of the X-Y direction, preferably, the second connecting seat 402 can be mounted on a second X-Y manual sliding table 401, the second X-Y manual sliding table 401 is mounted on another vertical plate 105, and X, Y direction adjustment of the position of the second sliding table cylinder 403 on the second connecting seat 402 can be achieved through the second X-Y manual sliding table 401, so that the position of the second pushing plate 404 can be adjusted, the position of the right primary lug folding roller 406 can be adjusted, and the right primary lug folding operation can be conveniently and better performed.

In some embodiments, as shown in fig. 7, the secondary ear folding mechanism 5 includes a roller mounting seat 504 capable of reciprocally moving in two directions, i.e., horizontal and vertical directions, and two secondary ear folding rollers 505 disposed at intervals along the axial direction are mounted on the upper front end of the roller mounting seat 504, preferably, the roller mounting side of the roller mounting seat 504 forms a U-shaped structure, so that two rollers 505 are mounted on the inner sides of two protruding parts forming the U-shaped structure. Specifically, the secondary lug roller 505 is rotatably connected to the two protruding parts of the U-shaped structure through a third bearing 506. In the secondary folding process, the two secondary folding ear rollers 505 move upwards to roll the second ear flat and press the second ear flat on the first ear and wrap the second ear on the bottom of the battery cell, and then move forwards to attach the second ear to the surface of the battery cell, as shown in fig. 1.

The roller mounting seat 504 is connected with a horizontal linear driving mechanism, and can linearly reciprocate in the horizontal direction to control the secondary lug folding roller 505 to move, the rear end of the battery core is provided with a secondary lug folding mechanism, the horizontal linear driving mechanism is arranged on a vertical linear driving mechanism and is driven by the vertical linear driving mechanism to vertically linearly move, so that the roller mounting seat 504 is controlled to move in the horizontal direction and the vertical direction to realize the secondary lug folding function.

In some embodiments, the horizontal linear driving mechanism and the vertical linear driving mechanism use cylinders, preferably, sliding table cylinders, for example, the roller mounting seat 504 is mounted on a fourth sliding table cylinder 503, the fourth sliding table cylinder 503 is mounted on a cylinder connecting seat 502, the cylinder connecting seat 502 is mounted on a third sliding cylinder 501, and the third sliding table cylinder 501 may be mounted on the back plate 106.

During secondary flanging, the third sliding table cylinder 501 drives the cylinder connecting seat 502, the fourth sliding table cylinder 503, the roller mounting seat 504 and the secondary lug rolling roller 505 to move upwards firstly, roll the second lug flat and press the first lug on the bottom of the battery cell, then the fourth sliding table cylinder 503 drives the roller mounting seat 504 and the fourth roller 505 to move forwards, and the second lug is attached to the surface of the battery cell, as shown in fig. 1.

The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.

Claims (10)

1. The battery cell adhesive tape bottom edge folding device is characterized by comprising a battery cell positioning mechanism and two primary ear folding mechanisms positioned on two opposite sides of the battery cell positioning mechanism, wherein a pressing mechanism is arranged above the battery cell positioning mechanism, and a secondary ear folding mechanism is arranged on the rear side of the battery cell positioning mechanism; the primary ear folding mechanism comprises a primary ear folding roller capable of horizontally moving, and the axial direction of the primary ear folding roller is vertical to the horizontal direction; the secondary lug folding mechanism comprises two secondary lug folding rollers capable of reciprocating in the horizontal direction and the vertical direction, and the two secondary lug folding rollers are mutually separated along the axial direction; the axial direction of the two secondary lug folding rollers is perpendicular to the axial direction of the primary lug folding roller.

2. The device for folding the bottom edge of the battery cell adhesive tape according to claim 1, wherein the battery cell positioning mechanism comprises a horizontally arranged battery cell placing plate, and a convex part formed by extending upwards in the vertical direction is arranged at the rear end of the battery cell placing plate so as to limit the rear end of the battery cell placed on the battery cell placing plate; two positioning plates which are arranged at intervals and used for positioning the battery cells are arranged on the top surface of the battery cell placing plate, and a battery cell positioning area is formed between the two positioning plates at intervals so as to position the battery cells to be processed and placed on the battery cell placing plate left and right.

3. The cell taping bottom edge device of claim 2, wherein the cell inlet of the cell positioning area formed between the two positioning plates forms a flaring structure to facilitate the cell to be inputted.

4. The cell taping device of claim 1, wherein the hold down mechanism comprises a vertically movable cell block driven.

5. The device for folding the bottom edge of the battery cell adhesive tape according to claim 4, wherein the battery cell pressing block is connected with a linear driving mechanism and is driven by the linear driving mechanism to vertically lift.

6. The device for folding the bottom edge of the electrical core adhesive tape according to claim 1, wherein the primary folding mechanism comprises a pushing plate which is horizontally arranged and can horizontally and linearly reciprocate, and the primary folding roller is rotatably arranged below the near front end of the pushing plate.

7. The cell taping bottom edge device of claim 6, wherein the primary ear roller is connected to the push plate by a bearing mounted in the push plate and disposed under a proximal front end of the push plate.

8. The device for folding the bottom edge of a battery cell adhesive tape according to claim 6, wherein the pushing plate is mounted on a linear mechanism for driving the pushing plate to horizontally reciprocate linearly, and the linear mechanism is mounted on a X, Y adjusting mechanism.

9. The device for folding the bottom edge of the battery cell adhesive tape according to claim 1, wherein the secondary folding mechanism comprises a roller mounting seat capable of moving reciprocally in two directions of horizontal and vertical, and two secondary folding rollers are mounted at the front ends of the roller mounting seat.

10. The device for folding the bottom edge of the battery cell adhesive tape according to claim 9, wherein two protruding parts are arranged on two sides of the front end of the roller mounting seat, so that the front end of the roller mounting seat forms a U-shaped structure, and the two secondary ear folding rollers are respectively arranged on the inner sides of one protruding part through one bearing.