CN213340456U

CN213340456U - Adhesive tape forming mechanism of battery cell tab and coating device of battery cell tab

Info

Publication number: CN213340456U
Application number: CN202021851429.9U
Authority: CN
Inventors: 马德军; 满坤坤; 王金辉
Original assignee: Goertek Optical Technology Co Ltd
Current assignee: Goertek Techology Co Ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-06-01
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses an electricity core utmost point ear's sticky tape forming mechanism and cladding device, electricity core utmost point ear's sticky tape forming mechanism includes the frame, adsorb mounting and bending assembly, adsorb the mounting and extend and locate on the frame along the first direction, be used for adsorbing the middle part of sticky tape material, bending assembly locates on the frame, including the bending piece that is located the both sides of adsorbing the mounting, two bending pieces set up to the driven relative motion that takes place along the first direction between with adsorbing the mounting, adsorb the mounting and be restricted by the primary importance when the shaping sticky tape, two bending pieces adsorb the mounting relatively and move along the first direction simultaneously, press the both ends of propping sticky tape material to make the sticky tape material bend and be the U type. The utility model discloses in, the sticky tape forming mechanism of electric core utmost point ear can buckle the sticky tape area automatically, at the in-process of buckling, owing to adsorb the middle part that the mounting adsorbed fixed sticky tape material always for the sticky tape material can not exert pressure for electric core basically at the in-process of buckling deformation, reduces electric core and warp.

Description

Adhesive tape forming mechanism of battery cell tab and coating device of battery cell tab

Technical Field

The utility model relates to a battery processing technology field, in particular to sticky tape forming mechanism and sticky tape cladding device of electric core utmost point ear.

Background

In the manufacturing process of the button battery, the U-shaped coating of the adhesive tape of the battery core tab is an important link in the manufacturing process, and whether the battery is manufactured successfully or not is directly determined. The battery core tab has the characteristics of small size, unqualified adhesive tape coating, repeated unfolding and easy breakage. In addition, the length of the adhesive tape adhered to the upper surface and the lower surface of the battery cell can influence the welding operation of the electrode, the adhering pressure is insufficient and is easy to loosen, the battery cell with too large pressure is easy to deform, and the problems that the adhesive tape cannot be assembled with a shell and the like can be caused due to loose adhesion and incompactness. The existing assembly production process adopts a manual operation production mode, and has the characteristics of low efficiency, low yield, poor consistency and high working strength.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a can accomplish the sticky tape cladding action to electric core utmost point ear automatically to reduce the electric core and warp the sticky tape forming mechanism of the electric core utmost point ear that the condition takes place and the cladding device of electric core utmost point ear.

In order to achieve the above object, the utility model provides an adhesive tape forming mechanism of electric core utmost point ear for make the adhesive tape cladding in the electric core outside, adhesive tape forming mechanism of electric core utmost point ear includes:

a machine base;

the adsorption fixing piece extends along the first direction, is arranged on the base and is used for adsorbing the middle part of the adhesive tape material; and the number of the first and second groups,

the bending component is arranged on the base and comprises two bending pieces, and the two bending pieces are positioned on two sides of the adsorption fixing piece;

the two bending pieces and the adsorption fixing piece are arranged in a driven mode and can move in the first direction, the adsorption fixing piece can be limited to the first position when the adhesive tape is formed, meanwhile, the two bending pieces are opposite to each other, the adsorption fixing piece moves in the first direction and is used for pressing and abutting against the two ends of the adhesive tape material, and the adhesive tape material is bent to be in a U shape.

In an embodiment, the tape forming mechanism of the cell tab further includes a first driving portion, and the first driving portion is configured to be in driving connection with the base, and is configured to drive the base to approach the cell in the first direction, so that the adsorption fixing member reaches the first position.

In an embodiment, the suction fixture is telescopically disposed in the base in the first direction, and the suction fixture is provided with a limiting portion, and the limiting portion is used for abutting against the battery cell clamping mechanism, so that the suction fixture is limited at the first position.

In an embodiment, the tape forming mechanism further includes a first elastic member, and the first elastic member is disposed between the first driving portion and the base.

In one embodiment, the two bending pieces are arranged on two sides of the adsorption fixing piece in the second direction, and the two bending pieces have moving strokes which are close to or far away from each other in the second direction.

In an embodiment, each of the bending members is provided with a suction nozzle.

In one embodiment, the press bending assembly comprises a pneumatic claw, a clamp of the pneumatic claw forms each press bending piece, and the pneumatic claw is provided with a stroke adjusting structure, so that the movable stroke of each press bending piece in the second direction is adjustable.

The utility model discloses still a sticky tape cladding device of electricity core utmost point ear, include:

the battery cell clamping mechanism is used for fixing the battery cell;

the adhesive tape forming mechanism for the battery core tab is described above.

In an embodiment, the adhesive tape forming mechanism of the battery cell tab is the adhesive tape forming mechanism of the battery cell tab as described above, and the battery cell clamping mechanism is provided with a limiting matching portion, and the limiting matching portion is used for matching with the limiting portion, so that the adsorption fixing member is limited at the first position.

In one embodiment, the cell clamping mechanism includes:

a frame;

the bearing piece is arranged on the rack and used for bearing the battery cell, and the limiting matching part is arranged on the bearing piece;

the pressure head is movably arranged on the frame so as to have a movable stroke close to or far away from the bearing piece;

the second driving part is in driving connection with the pressure head and used for driving the pressure head to abut against and position the battery core; and the number of the first and second groups,

and the second elastic piece is arranged between the second driving part and the pressure head.

The utility model provides an adhesive tape forming mechanism of electric core utmost point ear, its two bend pieces and adsorb and set up to the relative motion takes place for the driven edge first direction between the mounting. At the fashioned in-process of sticky tape, adsorb the mounting and set up to being restricted at the primary importance, two relative absorption mountings of bending spare are along the activity of first direction simultaneously for press the both ends of propping the sticky tape material, so that the sticky tape material is bent and is the U type. The utility model discloses in, sticky tape forming mechanism can buckle the sticky tape area automatically, forms the sticky tape of U-shaped in order to supply the cladding in the electric core outside, at the in-process of buckling, owing to adsorb the middle part that the mounting adsorbed fixed sticky tape material always for the sticky tape material can not paste at the in-process of buckling deformation basically and lean on electric core, thereby reduces or avoids exerting pressure for electric core, reduces the condition that electric core warp in sticky tape forming process. The coating device for the whole battery cell lug is high in production efficiency, good in consistency of battery cell products and high in yield.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of a tape wrapping apparatus for a battery cell tab according to the present invention;

fig. 2 is a schematic partial longitudinal section of the adhesive tape wrapping apparatus for a cell tab of fig. 1;

fig. 3 is a schematic partial cross-sectional view of the adhesive tape wrapping apparatus for a cell tab in fig. 1.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to fig. 3, the present invention provides a device for covering a tab of a battery cell 300 with an adhesive tape, so that the adhesive tape is covered outside the battery cell 300. The utility model discloses in, the first direction indicates the direction of adhesive tape material 400 before buckling towards electric core 300, and adhesive tape material 400 is driven to buckle towards the first direction and is the U-shaped to form the sticky tape. And the second direction is a direction in which the two adhering surfaces are opposite when the adhesive tape is adhered to the outside of the battery cell 300 after being bent. In the present embodiment, the first direction extends horizontally, and the second direction extends vertically, and it is understood that the first direction and the second direction may not be limited to the horizontal direction or the vertical direction, but may be designed according to production requirements.

Referring to fig. 1 and fig. 2, the adhesive tape wrapping apparatus for a tab of a battery cell 300 includes an adhesive tape forming mechanism 100 for a tab of a battery cell and a battery cell clamping mechanism 200, where the adhesive tape forming mechanism 100 is configured to take an adhesive tape 400 and bend the adhesive tape 400 to make the adhesive tape 400 take a U shape to form an adhesive tape, so that the adhesive tape can wrap the outside of the battery cell 300. And the cells 300 of some models have the problems of thin wall, looseness and easy deformation. For this reason, in this embodiment, the tape forming mechanism 100 includes the base 10, the adsorption fixing member 11 and the bending assembly 12, the adsorption fixing member 11 extends along the first direction and is disposed on the base 10, for adsorbing the middle portion of the tape material 400, the bending assembly 12 is disposed on the base 10, including two bending members 121, the two bending members 121 are disposed on two sides of the adsorption fixing member 11, the two bending members 121 and the adsorption fixing member 11 are disposed between each other to be capable of being driven to move relatively along the first direction, and the adsorption fixing member 11 is disposed to be capable of being limited at the first position when forming the tape, and meanwhile, the two bending members 121 move relatively to the adsorption fixing member 11 along the first direction to press against two ends of the tape material 400, so that the tape material 400 is bent in a U shape.

In this embodiment, the ends of the suction fixing member 11 and the two bending assemblies 12 in the first direction are substantially flush in the initial state to suck the in-line adhesive tape 400, and after the tape is taken, the suction fixing member 11 and the two bending assemblies 12 are driven to move relatively in the first direction to perform the adhesive tape forming operation. In the process of molding the adhesive tape, the absorption fixing member 11 is limited to a first position, and the two bending members 121 move along a first direction relative to the absorption fixing member 11 to press the two ends of the adhesive tape 400, so that the adhesive tape 400 is bent into a U shape. The utility model discloses in, sticky tape forming mechanism 100 can absorb sticky tape material 400 automatically, and buckle sticky tape material 400, in order to form the sticky tape of U-shaped in order to supply the cladding in the electric core 300 outside, at the in-process of buckling, because adsorb the middle part of fixed sticky tape material 400 always of mounting 11, make sticky tape material 400 can not paste at the in-process of buckling deformation basically and lean on electric core 300, thereby reduce or avoid exerting pressure for electric core 300, reduce the condition that electric core 300 warp in sticky tape forming process. The coating device for the lugs of the whole battery cell 300 is high in production efficiency, and the battery cell 300 is good in product consistency and high in yield.

Based on the above embodiment, please refer to fig. 1, the tape forming mechanism 100 for a cell tab further includes a first driving portion, which is used for being drivingly connected to the base 10, and is used for driving the base 10 to approach the cell 300 in the first direction, so that the adsorption fixing member 11 reaches the first position. In this embodiment, the first driving part may be a driving component such as an air cylinder or a manipulator, and is configured to convey the sucked adhesive tape 400 to the vicinity of the battery cell 300 for bending, so that the shape of the formed adhesive tape is adapted to the battery cell 300, and the adhesive tape is coated outside the battery cell 300. The actions of picking, molding and coating the adhesive tape are automatically finished, the automation degree is high, the production efficiency is high, and the consistency of finished products is good.

The manner of driving the relative movement between the suction fixing member 11 and the press bending member 121 may be various. For example, the suction fixing member 11 and the press bending member 12 may be respectively provided with corresponding driving devices so that the moving strokes in the first direction are not the same, but this method is complicated in structure and high in equipment cost. Therefore, referring to fig. 3 based on the above embodiment, the absorption fixture 11 is telescopically disposed on the base 10 in the first direction, a limiting portion 13 is disposed on the absorption fixture 11, and the limiting portion 13 is used for abutting against the cell clamping mechanism 200, so that the absorption fixture 11 is limited at the first position. In this embodiment, only the first driving portion is required to drive the base 10 to move along the first direction, when the suction fixing member 11 reaches the first position, the limiting portion 13 and the limiting engaging portion 23 are engaged, so that the suction fixing member 11 does not move to the first direction any more, and the bending assembly 12 moves to the first direction along with the base 10 and moves relative to the suction fixing member 11. At this time, the middle portion of the adhesive tape 400 is fixed by the absorption fixing member 11, and the two ends are pressed by the bending member 121 to bend toward the first direction, so as to realize the bending of the adhesive tape 400. In this embodiment, the tape forming mechanism 100 simultaneously realizes the feeding and bending actions of the tape 400 through the first driving portion, and the device has a simple structure, is easy to maintain, and has high production efficiency.

On the basis of the above embodiment, the cell clamping mechanism 200 should be correspondingly provided with the limiting matching portion 23 for matching with the limiting portion 13 to limit the adsorption fixing portion. The structure of the limiting portion 13 and the limiting matching portion 23 may be various, and in this embodiment, please refer to fig. 3, the limiting portion may be a limiting protrusion and a limiting groove respectively disposed on the adsorption fixing portion and the cell clamping mechanism 200.

Further, the tape forming mechanism 100 further includes a first elastic member 14, and the first elastic member 14 is disposed between the first driving portion and the base 10. Thereby realizing soft contact adsorption of the adhesive tape 400 and avoiding deformation of the adhesive tape 400 caused by the driving of the first driving part in the process of picking up and conveying the adhesive tape 400.

After the U-shaped adhesive tape is molded, two sides of the U-shaped adhesive tape in the second direction need to be adhered to the battery cell 300, and thus, two sides of the U-shaped adhesive tape need to be pressed to be adhered to the surface of the battery cell 300. Referring to fig. 2, the two bending members 121 are disposed on two sides of the suction fixing member 11 in the second direction, and the two bending members 121 have moving strokes approaching to or departing from each other in the second direction. So, after adhesive tape material 400 is buckled and is the U-shaped, two bending pieces 121 are close to each other, are close to two that electric core 300 corresponds with two sides of sticky tape respectively and paste the face to with sticky tape automatic adhesion to electric core 300.

Further, each bending piece 121 is provided with a suction nozzle, and it can be understood that the suction nozzle provides suction force when taking materials. And the suction nozzle stops working during the bending and pasting processes. So, can steadily absorb the sticky tape reliably through the cooperation of two bending pieces 121 and absorption mounting 11 for getting the material in-process, a plurality of adsorption sites adsorb sticky tape material 400, and on the one hand sticky tape material 400's location is more accurate, and on the other hand makes the suction that sticky tape material 400 received more even, reduces sticky tape material 400's deformation.

In the process of adhering the adhesive tape to the battery cell 300, the adhering pressure is insufficient and is easy to loosen, and the pressure is too high and is easy to cause deformation of the battery cell 300, for this reason, in this embodiment, referring to fig. 1, the bending assembly 12 includes the air claw 122, the clamp of the air claw 122 forms each bending piece 121, and the air claw 122 has a stroke adjusting structure, so that the movable stroke of each bending piece 121 in the second direction is adjustable. Therefore, the movable strokes of the two bending pieces 121 can be adjusted in a stepless manner, the two bending pieces are adaptive to the battery cells 300 with different shapes and sizes, and a proper stroke is provided for the clamping action of the two bending pieces 121, so that a proper adhesive pressure can be provided, and the battery cells 300 cannot deform.

Referring to fig. 1, in the present embodiment, the battery cell clamping mechanism 200 includes a frame 20, a carrying member 21, a pressing head 22, a second driving portion 24, and a second elastic member 25, where the carrying member 21 is disposed on the frame 20 and is used for carrying a battery cell 300. The position-limiting engagement portion 23 is provided on the carrier 21, and may be a position-limiting groove on the carrier 21, for example. The pressing head 22 is movably disposed on the frame 20 to have a moving stroke close to or far away from the bearing part 21, and the second driving part 24 is connected to the pressing head 22 in a driving manner, so that the pressing head 22 abuts against the battery cell 300 to cooperate with the bearing part 21 to bear and position the battery cell 300. A second elastic member 25 is provided between the second driving portion and the ram 22. Therefore, even if the battery cell 300 has the problems of thin wall, looseness, poor consistency and the like, the problems of wall breaking, poor deformation and large position deviation can be avoided in the soft contact, slow force application and fast correction processes of the pressure head 22. Meanwhile, the problem of jumping of the loose materials of the battery cell 300 due to soft materials can be avoided when the pressing head 22 is released from pressing.

The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structure changes made by the contents of the specification and the drawings under the inventive concept of the present invention, or the direct/indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides an adhesive tape forming mechanism of electricity core utmost point ear for make the adhesive tape cladding in the electricity core outside, its characterized in that, the adhesive tape forming mechanism of electricity core utmost point ear includes:

a machine base;

2. The apparatus of claim 1, further comprising a first driving portion, wherein the first driving portion is configured to be in driving connection with the base to drive the base to approach the battery cell in the first direction, so that the suction fixing member reaches the first position.

3. The apparatus of claim 2, wherein the suction fixture is telescopically disposed in the base in the first direction, and a position-limiting portion is disposed on the suction fixture and is configured to abut against the cell clamping mechanism, so that the suction fixture is limited in the first position.

4. The tape forming mechanism for a battery cell tab of claim 1, further comprising a first elastic member, wherein the first elastic member is disposed between the first driving portion and the base.

5. The tape forming mechanism for the cell tab according to claim 1 or 3, wherein two bending pieces are disposed on two sides of the suction fixing member in the second direction, and the two bending pieces have a moving stroke approaching or departing from each other in the second direction.

6. The apparatus of claim 5, wherein each of the bending members has a suction nozzle.

7. The tape forming mechanism for battery cell tabs according to claim 5, wherein the press bending assembly includes a pneumatic claw, a clamp of the pneumatic claw forms each press bending member, and the pneumatic claw has a stroke adjustment structure, so that a movable stroke of each press bending member in the second direction is adjustable.

8. The utility model provides an adhesive tape cladding device of electricity core utmost point ear which characterized in that includes:

the battery cell clamping mechanism is used for fixing the battery cell; and the number of the first and second groups,

the tape forming mechanism for the cell tab according to any one of claims 1 to 7.

9. The utility model provides an adhesive tape cladding device of electricity core utmost point ear which characterized in that includes:

the tape forming mechanism for the cell tab of claim 3;

the battery cell clamping mechanism is provided with a limiting matching part, and the limiting matching part is used for matching with the limiting part, so that the adsorption fixing piece is limited at the first position.

10. The apparatus for tape-wrapping a cell tab of claim 9, wherein the cell clamping mechanism comprises:

a frame;