CN220400648U - Rubber coating shaping device and rubber coating equipment for power battery cells - Google Patents

Abstract

The utility model provides a power battery cell encapsulation shaping device and encapsulation equipment, comprising a conveying belt, a first heating component, a circumference shaping component, a second heating component and an end shaping component; carrying out battery conveying through a conveying belt, heating a battery encapsulation part through a first heating assembly and a second heating assembly, compacting a wrapped adhesive tape and the periphery of the battery through a periphery shaping assembly, and flattening the protruding part of the adhesive tape on the end face of the battery through a part shaping assembly; the device can avoid bad products caused by artificial shaping and reduce the reject ratio; the device is preprogrammed in combination with the controller, can realize automatic shaping of the battery encapsulation end, has high automation degree, and can improve production efficiency.

Description

Rubber coating shaping device and rubber coating equipment for power battery cells

Technical Field

The utility model relates to the technical field of lithium battery production and processing, in particular to a power battery cell encapsulation shaping device and encapsulation equipment.

Background

The power battery is a power source that provides a source of power for the tool. Among them, cylindrical lithium batteries are widely used in power cells because of standardized external dimensions, very mature production equipment and processing processes. In the production and processing process of the cylindrical battery, the tab is generally kept at a certain length, and in order to make the surface of the battery tab have insulativity and prevent the battery tab from being in contact with the battery shell and other external objects to form short circuit or conducting, the end part of the cylindrical battery needs to be subjected to a paper wrapping process, namely, the tab part wrapped at the end part of the battery is attached with the adhesive paper with insulativity.

At present, the power battery production line is not fully automated, after the encapsulation of the battery end part is finished, the encapsulation part needs to be heated firstly when shaping is needed, and then the hot pressing of the battery periphery side and the end part is carried out, so that the operation mode has high cost, low efficiency and higher product reject ratio.

Disclosure of Invention

In order to overcome the problems in the related art, the utility model provides the encapsulation and shaping device for the battery cells of the power battery, which replaces manual shaping and improves the production efficiency.

The utility model aims to provide a power battery cell encapsulation shaping device which comprises a conveying belt, wherein a first heating assembly, a circumferential shaping assembly, a second heating assembly and an end shaping assembly are sequentially arranged on the conveying belt along the conveying direction;

the periphery shaping assembly comprises two shaping press blocks which are symmetrically arranged, first shaping grooves are formed in opposite side surfaces of the two shaping press blocks, the first shaping grooves are matched with the shapes of rubber coating positions of the end parts of the battery, the two shaping press blocks are driven by the clamping assembly to move in opposite directions or in opposite directions, and the clamping assembly is driven by the first traversing assembly to be close to or far away from the conveying belt;

the end shaping assembly comprises an ejector rod and shaping blocks coaxially arranged on two sides of the conveying belt, a second shaping groove for shaping the end face of the battery end encapsulation position is formed in the end face of the shaping block, and the ejector rod and the shaping blocks are driven by the second traversing assembly to move in opposite directions or in opposite directions.

In the preferred technical scheme of the utility model, a plurality of transport blocks for supporting the batteries are arranged on the conveyor belt at intervals, transverse through grooves for placing the batteries are formed in the transport blocks, and the moving direction of the clamping assembly, the moving direction of the ejector rod and the moving direction of the shaping block are parallel to the transverse through grooves.

In the preferred technical scheme of the utility model, two second traversing assemblies are arranged, the ejector rod and the shaping block are respectively arranged on different second traversing assemblies, and the two second traversing assemblies synchronously act.

In the preferred technical scheme of the utility model, the first traversing assembly and the second traversing assembly have the same structure and comprise a base and traversing seats, the traversing seats are slidably arranged on the base, the base is arranged on a frame, a driving piece for driving the traversing seats to move is arranged on the frame, and the ejector rod, the shaping block and the clamping assembly are respectively arranged on the corresponding moving seats.

In the preferred technical scheme of the utility model, the driving piece is a cam transmission mechanism, the cam transmission mechanism comprises a track cam shaft, a rotating shaft and a driving motor, the track cam shaft is arranged on the frame, the driving motor is connected with the track cam shaft for transmission, a driving arm and a rocker arm are axially arranged on the rotating shaft at intervals, the tail end of the rocker arm is hinged with the transverse moving seat, a driven rod is arranged at the tail end of the driving arm, and the tail end of the driven rod is attached to a corresponding cam surface on the track cam shaft.

In the preferred technical scheme of the utility model, the frame is provided with the transverse sliding rail, the transverse sliding rail is provided with the transverse sliding block, and the transverse sliding block is fixedly arranged on the transverse sliding seat.

In a preferred embodiment of the present utility model, the clamping assembly is a pneumatic finger.

In a preferred technical scheme of the utility model, the first heating component and the second heating component are both induction heaters.

In the preferred technical scheme of the utility model, the conveyor belt shaping device further comprises a controller, a first inductor, a second inductor, a third inductor and a fourth inductor, wherein the first heating component, the circumferential shaping component, the second heating component and the end shaping component are respectively arranged at a first heating station, a first shaping station, a second heating station and a second shaping station of the conveyor belt, the first inductor, the second inductor, the third inductor and the fourth inductor are respectively arranged at the first heating station, the first shaping station, the second heating station and the second shaping station of the conveyor belt, and the first heating component, the circumferential shaping component, the second heating component, the end shaping component, the first inductor, the second inductor, the third inductor, the fourth inductor and the conveyor belt are all electrically connected with the controller.

The second object of the present utility model is to provide an encapsulation device, which comprises the encapsulation shaping device for the battery cell of the power battery.

The beneficial effects of the utility model are as follows:

carrying out battery conveying through a conveying belt, heating a battery encapsulation part through a first heating assembly and a second heating assembly, compacting a wrapped adhesive tape and the periphery of the battery through a periphery shaping assembly, and flattening the protruding part of the adhesive tape on the end face of the battery through a part shaping assembly; the product defect caused by artificial shaping can be avoided, and the reject ratio is reduced; the device is combined with the controller to perform pre-programming, so that the automatic shaping of the battery encapsulation end can be realized, the degree of automation is high, and the production efficiency can be improved.

Drawings

Fig. 1 is a schematic structural diagram of a power cell core encapsulation and shaping device.

Fig. 2 is a schematic structural view of the peripheral side shaping assembly.

Fig. 3 is a schematic structural view of the end form assembly.

Reference numerals:

1. a battery; 2. a conveyor belt; 3. a transport block; 4. a transverse through groove; 5. a first heating assembly; 6. a peripheral side shaping assembly; 7. a second heating assembly; 8. an end shaping assembly; 9. a traversing seat; 10. a base; 11. a transverse slide rail; 12. a transverse slide block; 13. a rotating shaft; 14. a rocker arm; 15. shaping and briquetting; 16. a clamping assembly; 17. a driving arm; 18. a driven rod; 19. a push rod; 20. shaping blocks.

Detailed Description

Preferred embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While the preferred embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used in this specification and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any or all possible combinations of one or more of the associated listed items.

It should be understood that although the terms "first," "second," "third," etc. may be used herein to describe various information, these information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, the first information may also be referred to as information, and similarly, the information may also be referred to as first information, without departing from the scope of the utility model. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The power battery is a power source that provides a source of power for the tool. Among them, cylindrical lithium batteries are widely used in power cells because of standardized external dimensions, very mature production equipment and processing processes. In the production and processing process of the cylindrical battery, the tab is generally kept at a certain length, and in order to make the surface of the battery tab have insulativity and prevent the battery tab from being in contact with the battery shell and other external objects to form short circuit or conducting, the end part of the cylindrical battery needs to be subjected to a paper wrapping process, namely, the tab part wrapped at the end part of the battery is attached with the adhesive paper with insulativity.

At present, the power battery production line is not fully automated, after the encapsulation of the battery end part is finished, the encapsulation part needs to be heated firstly when shaping is needed, and then the hot pressing of the battery periphery side and the end part is carried out, so that the operation mode has high cost, low efficiency and higher product reject ratio.

Aiming at the problems, the embodiment provides a power battery cell encapsulation shaping device to replace manual shaping, thereby improving the production efficiency.

As shown in fig. 1, a power battery cell encapsulation shaping device comprises a conveying belt 2, a first heating component 5, a circumferential shaping component 6, a second heating component 7 and an end shaping component 8 are sequentially arranged on the conveying belt 2 along the conveying direction, the first heating component 5 and the second heating component 7 are used for heating the encapsulation part of a battery 1 before shaping, the circumferential shaping component 6 is used for compacting wrapped adhesive tapes and the circumferential side of the battery 1, and the end shaping component 8 is used for flattening the protruding part of the adhesive tapes on the end face of the battery 1.

As shown in fig. 2, the circumferential shaping assembly 6 includes two shaping press blocks 15 symmetrically arranged, first shaping grooves are formed in opposite sides of the two shaping press blocks 15, the first shaping grooves are matched with shapes of rubber coating positions of ends of the battery 1, the two shaping press blocks 15 are driven by the clamping assembly 16 to move in opposite directions or in opposite directions, and the clamping assembly 16 is driven by the first traversing assembly to be close to or far away from the conveying belt 2.

When the device is used, the first transverse moving assembly drives the clamping assembly 16 to be close to the battery 1 on the conveying belt 2, then, the clamping assembly 16 drives the two shaping pressing blocks 15 to move in opposite directions, the end encapsulation positions are clamped through the two first shaping grooves, so that the adhesive tape and the periphery of the battery 1 are compacted, after the adhesive tape is compacted, the clamping assembly 16 drives the two shaping pressing blocks 15 to move in opposite directions to be separated from the battery 1, the first transverse moving assembly drives the clamping assembly 16 to be far away from the conveying belt 2, and the battery 1 is continuously conveyed by the conveying belt 2.

As shown in fig. 3, the end shaping assembly 8 includes a push rod 19 and shaping blocks 20 coaxially disposed on two sides of the conveyor belt 2, the end surface of the shaping blocks 20 is provided with a second shaping groove for shaping the end surface of the end encapsulation position of the battery 1, and the push rod 19 and the shaping blocks 20 are driven by the second traversing assembly to move in opposite directions or in opposite directions.

When the battery pack is used, the second traversing assembly drives the ejector rod 19 and the shaping block 20 to move in opposite directions, so that the ejector rod 19 and the shaping block 20 press two end parts of the battery 1 simultaneously, the end surface of the rubber coating position of the end part of the battery 1 enters the second shaping groove, the second shaping groove is matched with the ejector rod 19 to flatten the protruding part of the adhesive tape on the end surface of the battery 1, after flattening, the second traversing assembly drives the ejector rod 19 and the shaping block 20 to move in opposite directions to be separated from the battery 1, and the battery 1 is continuously conveyed by the conveying belt 2.

In practical applications, the clamping assembly 16 is a pneumatic finger, and the first heating assembly 5 and the second heating assembly 7 are both induction heaters.

In this embodiment, the device includes a controller, a first inductor, a second inductor, a third inductor, and a fourth inductor, where the first heating component 5, the circumferential shaping component 6, the second heating component 7, and the end shaping component 8 are respectively disposed at a first heating station, a first shaping station, a second heating station, and a second shaping station of the conveyor belt 2, the first inductor, the second inductor, the third inductor, and the fourth inductor are respectively disposed at the first heating station, the first shaping station, the second heating station, and the second shaping station of the conveyor belt 2, and the first heating component 5, the circumferential shaping component 6, the second heating component 7, the end shaping component 8, the first inductor, the second inductor, the third inductor, and the fourth inductor are electrically connected with the controller, so as to implement automatic shaping at the encapsulation position of the battery 1 according to the pre-programming of the controller, and after the first inductor, the second inductor, the third inductor, and the fourth inductor trigger, an electrical signal is fed back to the controller, and the controller performs a feedback action accordingly.

When the battery 1 is used, after the conveyor belt 2 sends the battery 1 to the first heating station, the first sensor is triggered, the conveyor belt 2 stops, and the first heating component 5 starts to heat the encapsulation part of the battery 1; after the heating is finished, the conveyor belt 2 is started, the battery 1 is sent to a first shaping station, the second sensor is triggered, the conveyor belt 2 is stopped, and the peripheral shaping assembly 6 acts to shape the battery 1 in a Zhou Ceya mode; zhou Ceya after shaping, the conveyor belt 2 is started, after the battery 1 is sent to the second heating station, the third sensor is triggered, the conveyor belt 2 is stopped, and the second heating assembly 7 is started to heat the encapsulation part of the battery 1; after heating is finished, the conveyor belt 2 is started, the battery 1 is sent to a second shaping station, a fourth sensor is triggered, the conveyor belt 2 is stopped, and the end shaping assembly 8 acts to flatten and shape the end face of the battery 1; after the end face is flattened and shaped, the conveyor belt 2 is started to send out the shaped battery 1.

In this embodiment, in order to stably convey the battery 1, a plurality of transport blocks 3 for supporting the battery 1 are installed on the conveyor belt 2 at intervals, the transport blocks 3 are provided with transverse through grooves 4 for placing the battery 1, the moving direction of the clamping assembly 16, the moving direction of the ejector rod 19 and the moving direction of the shaping block 20 are all parallel to the transverse through grooves 4, the transverse through grooves 4 enable the end portions of the battery 1 to leak outwards, and interference to the peripheral side shaping assembly 6 and the end portion shaping assembly 8 is avoided.

In this embodiment, the second sideslip subassembly sets up two, and ejector pin 19, plastic piece 20 are installed respectively on different second sideslip subassemblies, and two second sideslip subassemblies synchronous action, first sideslip subassembly, second sideslip subassembly structure are the same, all include base 10, sideslip seat 9 slidable mounting is on base 10, base 10 installs in the frame, install the driving piece that is used for driving sideslip seat 9 to remove in the frame, ejector pin 19, plastic piece 20, clamping component 16 are installed respectively on corresponding removal seat.

In one embodiment, the driving member is a cylinder.

In another embodiment, in order to perform the synchronous driving of the whole control of the equipment, the driving piece is a cam transmission mechanism, the cam transmission mechanism comprises a track cam shaft, a rotating shaft 13 and a driving motor, the track cam shaft is installed on the rack, the driving motor is connected with the track cam shaft for transmission, a driving arm 17 and a rocker arm 14 are installed on the rotating shaft 13 at intervals along the axial direction, the tail end of the rocker arm 14 is hinged with the sideslip seat 9, a driven rod 18 is installed at the tail end of the driving arm 17, and the tail end of the driven rod 18 is attached to a corresponding cam surface on the track cam shaft. In practical application, the rocker arm 14 can be connected with the traversing seat through a connecting rod according to design requirements under the limitation of stroke or equipment shape and layout, and two ends of the connecting rod are respectively hinged with the rocker arm 14 and the traversing seat 9.

In this embodiment, in order to ensure the stability of sliding, a transverse sliding rail 11 is installed on the frame, a transverse sliding block 12 is disposed on the transverse sliding rail 11, and the transverse sliding block 12 is fixedly installed on the transverse sliding seat 9.

The device can avoid bad products caused by artificial shaping and reduce the bad rate; the device is combined with the controller to perform pre-programming, so that the automatic shaping of the encapsulation end of the battery 1 can be realized, the automation degree is high, and the production efficiency can be improved.

The relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present application unless it is specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective parts shown in the drawings are not drawn in actual scale for convenience of description. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures. In the description of the present application, it should be understood that, azimuth words such as "front, rear, upper, lower, left, right", "horizontal direction, vertical, horizontal", and "top, bottom", etc., indicate azimuth or positional relationships generally based on those shown in the drawings, and are merely for convenience of description and simplification of the description, and these azimuth words do not indicate or imply that the apparatus or element to be referred to must have a specific azimuth or be constructed and operated in a specific azimuth, and thus should not be construed as limiting the scope of protection of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In addition, the terms "first", "second", etc. are used to define the components, and are merely for convenience of distinguishing the corresponding components, and unless otherwise stated, the terms have no special meaning, and thus should not be construed as limiting the scope of the present application.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The utility model provides a power battery electric core rubber coating shaping device which characterized in that: the device comprises a conveying belt, wherein a first heating assembly, a circumferential shaping assembly, a second heating assembly and an end shaping assembly are sequentially arranged on the conveying belt along the conveying direction;

the periphery shaping assembly comprises two shaping press blocks which are symmetrically arranged, first shaping grooves are formed in opposite side surfaces of the two shaping press blocks, the first shaping grooves are matched with the shapes of rubber coating positions of the end parts of the battery, the two shaping press blocks are driven by the clamping assembly to move in opposite directions or in opposite directions, and the clamping assembly is driven by the first traversing assembly to be close to or far away from the conveying belt;

the end shaping assembly comprises an ejector rod and shaping blocks coaxially arranged on two sides of the conveying belt, a second shaping groove for shaping the end face of the battery end encapsulation position is formed in the end face of the shaping block, and the ejector rod and the shaping blocks are driven by the second traversing assembly to move in opposite directions or in opposite directions.

2. The power cell core encapsulation shaping device of claim 1, wherein: the conveying belt is provided with a plurality of conveying blocks at intervals, the conveying blocks are provided with transverse through grooves for accommodating batteries, and the moving direction of the clamping assembly, the moving direction of the ejector rod and the moving direction of the shaping block are parallel to the transverse through grooves.

3. The power cell core encapsulation shaping device of claim 1, wherein: the second sideslip subassembly sets up two, and the ejector pin is installed respectively on different second sideslip subassemblies to the plastic piece, and two second sideslip subassemblies move synchronously.

4. The power cell core encapsulation shaping device of claim 2, wherein: the first transverse moving assembly and the second transverse moving assembly are identical in structure and comprise a base and a transverse moving seat, the transverse moving seat is slidably mounted on the base, the base is mounted on a frame, a driving piece for driving the transverse moving seat to move is mounted on the frame, and the ejector rod, the shaping block and the clamping assembly are respectively mounted on the corresponding moving seat.

5. The power cell core encapsulation shaping device of claim 4, wherein: the driving piece is a cam transmission mechanism, the cam transmission mechanism comprises a track cam shaft, a rotating shaft and a driving motor which are arranged on the frame, the driving motor is connected with the track cam shaft for transmission, a driving arm and a rocker arm are arranged on the rotating shaft along the axial direction at intervals, the tail end of the rocker arm is hinged with the transverse moving seat, a driven rod is arranged at the tail end of the driving arm, and the tail end of the driven rod is attached to a corresponding cam surface on the track cam shaft.

6. The power cell core encapsulation shaping device of claim 5, wherein: the transverse sliding rail is arranged on the frame, a transverse sliding block is arranged on the transverse sliding rail, and the transverse sliding block is fixedly arranged on the transverse sliding seat.

7. The power cell core encapsulation shaping device of claim 5, wherein: the clamping assembly is a pneumatic finger.

8. The power cell core encapsulation shaping device of claim 5, wherein: the first heating component and the second heating component are both induction heaters.

9. The power cell core encapsulation shaping device of claim 3, wherein: still include controller, first inductor, second inductor, third inductor, fourth inductor, first heating element, week side plastic subassembly, second heating element, tip plastic subassembly set up respectively in the first heating station, first plastic station, second heating station, the second plastic station of conveyer belt, and first inductor, second inductor, third inductor, fourth inductor do not set up in the first heating station, first plastic station, second heating station, the second plastic station of conveyer belt, first heating element, week side plastic subassembly, second heating element, tip plastic subassembly, first inductor, second inductor, third inductor, fourth inductor, conveyer belt all with controller electric connection.

10. An encapsulation apparatus, characterized in that: a power cell core encapsulation and shaping device comprising the device of any one of claims 1-9.