CN220844054U - Battery pole piece tilting prevention device and pole piece detection equipment - Google Patents

Abstract

The application discloses a battery pole piece tilting prevention device and pole piece detection equipment, wherein the battery pole piece tilting prevention device comprises an operation table and a tabletting assembly, and a conveyor belt is arranged on the operation table; the conveyor belt is used for conveying the battery pole pieces; the sheeting assembly includes at least one sheeting located on at least one side of the conveyor belt and at least partially transparent to light, the sheeting being disposed in a gap with the conveyor belt, the sheeting being configured to flatten at least an edge of the battery pole piece when the conveyor belt conveys the battery pole piece. According to the battery pole piece tilting prevention device in the scheme, the edge of the battery pole piece can be flattened through the tabletting assembly, the influence of the tilting of the pole piece or the lug in the battery pole piece on the detection of the pole piece is avoided, and the image of the battery pole piece can be accurately acquired by the image acquisition unit through the arrangement of the tabletting, so that the presented visual image of the pole piece is complete, and the detection accuracy of the battery pole piece is effectively improved.

Description

Battery pole piece tilting prevention device and pole piece detection equipment

Technical Field

The utility model relates to the technical field of lithium ion batteries, in particular to a battery anti-tilting device and pole piece detection equipment.

Background

In the process of the continuous development of battery technology, the lithium ion battery has the advantages of high voltage, high specific energy, multiple recycling times and long storage time, and has been widely applied to various different devices, such as satellite signal connection devices, marine data monitoring devices, atmosphere data monitoring devices, outdoor video identification devices, petroleum exploration detection devices, railway line monitoring devices and the like. The performance of the battery pole piece is affected by different processing modes, so that how to detect the battery pole piece is important.

At present, in the related art, a common pole piece conveying belt is used for adsorbing a pole piece in vacuum so as to drive the pole piece to move to a detection device, the detection device is used for detecting the pole piece, and the pole piece (especially the pole lug of the pole piece) can generate a tilting phenomenon in the conveying process, so that the visual image of the pole piece is incomplete when the pole piece is detected, and the accuracy of the pole piece detection is poor.

Disclosure of utility model

In view of the foregoing drawbacks or shortcomings in the prior art, it is desirable to provide a battery pole piece anti-cocking device and pole piece detection apparatus.

In a first aspect, the present utility model provides a device for preventing a battery pole piece from tilting, the device comprising:

the operation table is provided with a conveyor belt; the conveyor belt is used for conveying the battery pole pieces;

A sheeting assembly comprising at least one sheeting located on at least one side of the conveyor belt and at least partially transparent to light, the sheeting being adapted to flatten at least the edges of the battery pole pieces when the conveyor belt conveys the battery pole pieces.

In one embodiment of the present application, the battery pole piece anti-warping device further includes:

The guide assembly is positioned on the operating platform and is positioned at the upstream of the tabletting assembly, and the guide assembly is used for guiding the battery pole piece so that the battery pole piece can move to the lower part of the tabletting.

In one embodiment of the application, the guide assembly includes a guide member having a downwardly sloped guide surface through which the battery pole piece can be guided under the tab.

In one embodiment of the present application, the guiding surface is a plane or an arc surface.

In one embodiment of the present application, when the guide surface is a plane, an obtuse angle is formed between the guide surface and the upper surface of the conveyor belt, and the opening direction of the obtuse angle is toward the conveying direction of the conveyor belt.

In one embodiment of the application, one end of the guide surface is connected to one end of the pressing sheet, and the other end of the pressing sheet extends in the conveying direction of the conveyor belt.

In one embodiment of the present application, the guide assembly further comprises:

The guide support is positioned on the operating platform, the guide support is provided with the guide piece, and the guide piece can move along the conveying direction perpendicular to the conveying belt.

In one embodiment of the application, the guide bracket or the guide member is provided with a first sliding portion by which the guide member is moved in a conveying direction perpendicular to the conveyor belt.

In one embodiment of the application, the first sliding part comprises a first elongated hole, which is located on the guide bracket or the guide and is arranged in a direction perpendicular to the conveying direction of the conveyor belt;

the guide member moves through the first elongated hole in a conveying direction perpendicular to the conveyor belt.

In one embodiment of the present application, the first elongated hole is disposed along a first direction, the first direction being perpendicular to the conveying direction and in the same plane; or the first long hole is arranged along a second direction, and the plane in which the second direction is positioned is perpendicular to the plane in which the conveying direction is positioned.

In one embodiment of the present application, a second sliding portion is provided on the console or the guide bracket, and the position of the guide bracket on the console is adjustable through the second sliding portion.

In one embodiment of the present application, the second sliding portion includes a second elongated hole, and the guide bracket is position-adjustable on the console through the second elongated hole.

In one embodiment of the application, the sheeting is transparent sheeting.

In one embodiment of the application, the compression sheet is a flexible compression sheet.

In a second aspect, an embodiment of the present application provides a pole piece detection device, including a device for preventing a battery pole piece from tilting as in the first aspect.

In one embodiment of the application, the pole piece detection device further comprises an image acquisition unit, wherein the image acquisition unit is positioned above the pressing piece in the battery pole piece tilting prevention device, and the image acquisition unit can acquire the image information of the battery pole piece through the light transmitted by the pressing piece and is used for detecting whether the battery pole piece meets the requirement.

The battery pole piece tilting prevention device comprises an operation table and a pressing piece assembly, wherein a conveying belt is arranged on the operation table and used for conveying the battery pole pieces, the pressing piece assembly comprises at least one pressing piece, the pressing piece is positioned on at least one side of the conveying belt and at least allows light to partially penetrate, and when the conveying belt conveys the battery pole pieces, the pressing piece is used for flattening at least edges of the battery pole pieces. This battery pole piece prevents upwarping device owing to be provided with the preforming subassembly in at least one side of conveyer belt, can guarantee that the battery pole piece flattens the edge of battery pole piece in transmission or testing process, avoids pole piece or tab to upwarp in the battery pole piece and influences the pole piece detection to through setting up the preforming, can guarantee that the image of battery pole piece is accurately gathered through the light that the preforming was passed through to the image acquisition unit, make the pole piece vision image that presents complete, effectively improved the degree of accuracy that the battery pole piece detected.

According to the pole piece detection equipment provided by the application, the battery pole piece tilting prevention device provided by any embodiment of the application solves the problem that the battery pole piece tilts in the conveying process or the detection process, and improves the accuracy of the battery pole piece detection.

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

Drawings

Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

fig. 1 is a schematic structural diagram of a battery pole piece tilting prevention device according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a device for preventing a battery pole piece from tilting according to another embodiment of the present application;

Fig. 3 is a schematic structural diagram of a device for preventing a battery pole piece from tilting according to another embodiment of the present application;

fig. 4 is a schematic structural diagram of a device for preventing a battery pole piece from tilting according to another embodiment of the present application;

Reference numerals:

An operation table-10; a conveyor belt-11; a through hole-111; a second sliding part (12); a second elongated hole-121; an edge support-13; tabletting assemblies-20; a guide assembly-30; arc surface-301; a guide member-31; a guide bracket-32; a first sliding portion-321; first elongate aperture-322.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

It can be appreciated that in the process of rapid development of the battery industry, the lithium ion battery has gradually moved into modern life, so that not only can the mobile device be more convenient, but also the development of the electric automobile industry is promoted, and the energy storage technology is deeply influenced. At present, in the detection process of the battery pole piece, a vacuum adsorption pole piece is adopted by a common pole piece conveying belt to drive the pole piece to move, and the follow-up pole piece visual image is incomplete when the pole piece is detected due to the fact that the pole piece can be tilted in the conveying process, so that the accuracy of the pole piece detection is poor.

Based on the defects, the application provides the battery pole piece tilting prevention device and the pole piece detection equipment, compared with the prior art, the battery pole piece tilting prevention device has the advantages that as the pressing piece assembly is arranged on at least one side of the conveyor belt, the edge of the battery pole piece can be flattened through the pressing piece assembly in the transmission process or the detection process, the influence of the pole piece tilting of the pole piece or the pole lug in the battery pole piece on the pole piece detection is avoided, and the image acquisition unit can accurately acquire the image of the battery pole piece through the light transmitted by the pressing piece through the pressing piece, so that the displayed visual image of the pole piece is complete, and the detection accuracy of the battery pole piece is effectively improved.

The following describes a battery pole piece tilting prevention device and a pole piece detection apparatus according to an embodiment of the present application with reference to fig. 1 to 4.

As shown in fig. 1, the embodiment provides a battery pole piece tilting prevention device, which comprises an operation table 10 and a tabletting assembly 20, wherein a conveyor belt 11 is arranged on the operation table 10; the conveyor belt 11 is used for conveying the battery pole pieces; the sheeting assembly 20 includes at least one sheeting located on at least one side of the conveyor belt 11 and at least partially transparent to light, the sheeting being disposed in a gap from the conveyor belt 11, the sheeting being configured to flatten at least the edges of the battery pole pieces as the conveyor belt 11 conveys the battery pole pieces.

The battery pole piece tilting prevention device provided by the embodiment of the application comprises an operation table 10 and a pressing piece assembly 20, wherein the operation table is provided with a conveying belt 11, the conveying belt 11 is used for conveying the battery pole piece, the pressing piece assembly 20 comprises at least one pressing piece, the pressing piece is positioned on at least one side of the conveying belt and at least allows light to partially penetrate, the pressing piece is arranged in a gap with the conveying belt 11, and when the conveying belt 11 conveys the battery pole piece, the pressing piece is used for at least flattening the edge of the battery pole piece. This battery pole piece device of preventing raising up owing to be provided with preforming subassembly 20 in at least one side of conveyer belt 11, can guarantee that the battery pole piece flattens the edge of battery pole piece in transmission or testing process, avoids pole piece or tab to raise up in the battery pole piece and influences the pole piece detection to through setting up the preforming, can guarantee that the image acquisition unit accurately gathers the image of battery pole piece through the light that the preforming was sees through, make the pole piece visual image that presents complete, effectively improved the degree of accuracy that the battery pole piece detected.

The operation table 10 is used for carrying the tablet press assembly 20 and the conveyor belt 11, and the upper surface of the operation table 10 may be square, circular, rectangular, or triangular, as long as the tablet press assembly 20 and the conveyor belt 11 can be carried. The conveyor belt can be laid on an operation table and used for conveying the battery pole pieces.

The above-mentioned tabletting assembly 20 may include one tabletting which may be located at one side of the conveying direction of the conveyor belt and disposed at a gap from the conveyor belt, or may be located at both sides of the conveying direction of the conveyor belt and disposed at a gap from the conveyor belt; the above-mentioned tabletting assembly 20 may further comprise two tablets, which may be located on both sides of the conveying direction of the conveyor belt, or may be located on both sides of the conveying direction of the conveyor belt 11. When the pressing sheets are positioned on two sides of the conveying direction of the conveying belt, the acting force of the pressing sheet positioned on one side of the conveying direction on the battery pole piece can be the same as or different from the acting force of the pressing sheet positioned on one side of the conveying direction on the battery pole piece.

The lower surface of the pressing sheet can be rectangular or round, and the size of the pressing sheet can be set according to the size of the edge of the battery pole piece to be tilted in a self-defined mode, so long as the lower surface can completely cover the battery pole piece with the tilted edge. The sheeting serves to flatten the edges of the battery pole pieces as the conveyor belt 11 conveys the battery pole pieces.

It should be noted that, the "allowing light to partially pass through" may be to screen light with different wavelengths, so that light with a specific wavelength passes through the tablet, or may be to screen light with a part of directions in the light, so that light with a specific direction passes through the tablet, and only needs to meet the detection of the detection component. Preferably, the sheeting may be transparent sheeting.

Where the above-described tablet assembly 20 includes two tablets, the two tablets may be tablets of the same size and shape, or may be tablets of different sizes and shapes. The material of this preforming can be PET membrane material, can also be other flexible materials.

The PET film is also called a high-temperature resistant (polyester) PET film, and has high physical and chemical property stability, high transparency, recycling and wide application range. Wherein, this PET membrane kind can be according to the function differentiation: functional films after secondary processing of the PET original film and the PET film, such as (PET release film, PET high-brightness film, PET transfer film, PET reflecting film, PET antistatic film, PET heat-sealing film, PET heat-shrinkage film) and the like.

The PET film has good transparency, light transmittance not lower than 92% and luster; the alloy has excellent mechanical properties, and is high in strength, toughness, tensile strength and impact strength; also has excellent heat resistance, cold resistance, chemical resistance and oil resistance.

The battery pole piece can be a battery pole piece which is processed, and can also be a battery pole piece which needs to be detected in the processing process. The battery pole pieces that need to be flattened by the sheeting assembly 20 may be battery tabs or portions of the pole pieces.

It can be understood that the battery tab is an important component in a lithium ion battery, the battery is divided into a positive electrode and a negative electrode, the tab is a metal conductor which leads the positive electrode and the negative electrode out of the battery core, the positive electrode of the lithium ion battery tab is made of an aluminum alloy material, the negative electrode is made of a nickel material, and the negative electrode can also be made of a copper nickel plating material.

Wherein the lower surface of the tablet assembly 20 has a height greater than the upper surface of the conveyor belt 11. Alternatively, the compression sheet may be a flexible compression sheet. Due to the fact that the flexible pressing piece is arranged, when the flexible pressing piece can be guided through the guiding component, the guiding section is easily formed on the pressing piece component so as to achieve the guiding function on the battery pole piece.

When the conveyor belt 11 conveys the battery pole pieces, the pressing sheet may press part of the battery pole pieces, for example, the edges of the battery pole pieces, or may press all of the battery pole pieces.

The present embodiment enables the lamination assembly 20 to have high strength and high toughness by providing it as a PET film, and ensures that the lamination stably flattens the edges of the battery pole pieces. And the tabletting allows light to partially penetrate, so that the image acquisition unit can accurately acquire the image of the battery pole piece, the presented visual image of the pole piece is complete, and the detection accuracy of the battery pole piece is effectively improved.

In one embodiment, please continue to refer to fig. 1, the above-mentioned device for preventing a battery pole piece from tilting further includes: the guide assembly 30, the guide assembly 30 is located on the operation panel 10 and is located at the upper stream of the tabletting assembly, and the guide assembly 30 is used for guiding the battery pole piece so that the battery pole piece can move to the lower part of the tabletting.

It will be appreciated that the guide assembly 30 may be movably mounted to the upper surface of the console 10 at an edge position or may be mounted to the console 10 at a middle position on the upper surface. The guide assembly 30 may be made of cast iron or alloy, and the guide assembly 30 is used for guiding the battery pole piece so as to flatten the battery pole piece through the tabletting assembly 20.

Wherein the sheeting assembly 20 may be mounted on the guide assembly 30 to flatten the edges of the battery pole pieces by the sheeting assembly 20.

In this embodiment, the guiding assembly 30 is disposed on the operation table 10, so as to guide the battery pole piece, so as to flatten the battery pole piece through the tabletting assembly 20, and uniformly transition the battery pole piece between the tabletting assembly 20 and the operation table 10, so as to flatten the edge of the battery pole piece smoothly.

Optionally, the guide assembly 30 includes a guide member 31, and the guide member 31 has a guide surface inclined downward for guiding the battery pole piece so as to flatten the edge of the battery pole piece by the pressing assembly 20.

The guide 31 may be in contact with the tablet part or the tablet whole, and the guide 31 may be located above part of the tablet or above the entire tablet. The guide surfaces form an obtuse angle with the plane in which the conveying direction of the conveyor belt 11 is located.

Alternatively, as shown in fig. 2, the guiding surface is a plane or arc surface 301. It will be appreciated that when the guide surface is planar, the guide may be a planar guide; when the guide surface is an arc surface, the guide member may be an arc-shaped guide member.

When the guide surface is a plane, an obtuse angle is formed between the guide surface and the upper surface of the conveyor belt, and the opening direction of the obtuse angle faces the conveying direction of the conveyor belt.

By providing the guide member 31 in this embodiment, and the guide member 31 has a downwardly inclined guide surface, the battery pole piece can be guided to smoothly and uniformly flatten the edge of the battery pole piece by the pressing member 20.

In one embodiment, one end of the guiding surface is connected to one end of the pressing sheet in a fitting manner, and the other end of the pressing sheet extends outwards along the conveying direction of the conveyor belt 11.

Alternatively, one end of the guiding surface may be connected below one end of the pressing piece, or the end of the guiding surface may be in butt-joint with the end of the pressing piece, so long as the guiding surface can smoothly transition to the pressing piece, which is not limited in this embodiment.

Specifically, one end of the pressing sheet is attached to the lower end of the guiding surface of the guiding member 31, and the guiding surface may be a rectangular surface or a circular surface, so long as the guiding surface is inclined downward, part of the pressing sheet may be guided by the guiding surface to form a guiding section, and one end of the pressing sheet extending outward in the conveying direction of the conveying belt 11 may flatten the battery pole piece.

In this embodiment, the lower end of the guiding surface is attached to one end of the pressing sheet, the other end of the pressing sheet extends outwards along the conveying direction of the conveying belt 11, so that part of the pressing sheet can be guided by the guiding surface to form a guiding section, and then the battery pole piece is flattened gently through the guiding section.

In one embodiment, referring to fig. 3 and 4, the guide assembly 30 further includes: the guide bracket 32, the guide bracket 32 is located on the operation panel 10, the guide member 31 is installed on the guide bracket 32, and the guide member 31 can move along the conveying direction perpendicular to the conveying belt 11.

The material of the guide bracket 32 may be cast iron or alloy, for example, aluminum alloy, the guide bracket 32 may be a rectangular bracket or a circular bracket, and the guide bracket 32 may be fixedly connected or rotatably connected to the console 10. The guide bracket 32 may have a guide 31 and a compression assembly 20 mounted thereon.

The guide 31 and the guide bracket 32 may be movably connected, and the guide 31 may be adjustably movable on the guide bracket 32. The guide bracket 32 may be installed at a side wall position of the upper surface of the console 10, or may be installed at a center position of the upper surface of the console 10.

In this embodiment, the guide bracket 32 is arranged on the operation console 10, and the guide piece 31 is installed on the guide bracket 32, so that the guide piece 31 can move along the conveying direction perpendicular to the conveying belt 11, battery pole pieces with different sizes are ensured, the pole lugs and pole pieces can be pressed, and no warping is ensured.

In one of the embodiments, the guide bracket 32 or the guide 31 is provided with a first sliding portion 321, and the guide 31 is moved by the first sliding portion 321 in a direction perpendicular to the conveying direction of the conveyor belt 11.

Specifically, the first sliding portion 321 may be mounted on the guide bracket 32 or the guide 31. When the first sliding portion 321 is mounted on the guide bracket 32, the guide 31 is mounted with the first fitting portion that mates with the first sliding portion 321, so that the guide 31 can be moved in the conveying direction perpendicular to the conveyor belt 11 by the first sliding portion 321 with the first sliding portion 321 and the first fitting portion mated with each other. When the first sliding portion 321 is mounted on the guide 31, the guide bracket 32 is mounted with the first engaging portion that mates with the first sliding portion 321, so that the guide 31 can be moved in the conveying direction perpendicular to the conveyor belt 11 by the first sliding portion 321 with the first sliding portion 321 and the first engaging portion mated with each other.

The first sliding portion 321 may be a through hole or a sliding rail, and the first engaging portion may be a protrusion or a member engaged with the sliding rail, and the protrusion may be moved in a direction perpendicular to the conveying direction of the conveyor belt 11 at the through hole or the sliding rail.

Alternatively, the first sliding portion 321 includes a first elongated hole 322, and the first elongated hole 322 is located on the guide bracket 32 or the guide member 31 and is disposed perpendicular to the conveying direction of the conveyor belt 11; the guide 31 moves through the first elongated hole 322 in a conveying direction perpendicular to the conveyor belt 11.

The first elongated hole 322 is disposed along a first direction, which is perpendicular to the conveying direction and is located on the same plane; or the first elongated holes 322 are arranged along a second direction, and the plane of the second direction is perpendicular to the plane of the conveying direction.

It should be noted that, when the first elongated hole 322 is disposed along the first direction, the adjustment may be performed according to the battery pole pieces with different widths or lengths; when the first elongated hole 322 is disposed along the second direction, it can be adjusted according to the battery pole pieces of different thicknesses.

In a possible implementation manner, the first elongated hole 322 may be located on the guide bracket 32 or may be located on the guide member 31, when the first elongated hole 322 is installed on the guide bracket 32, the guide member 31 may be installed with a first protrusion matched with the first elongated hole 322, and the first protrusion are the same in size and shape and match with each other, so that the guide member 31 can move along the conveying direction perpendicular to the conveying belt 11 through the first elongated hole 322 when the first elongated hole 322 and the first protrusion on the guide member 31 are matched with each other.

In another possible implementation manner, the first elongated hole 322 may be located on the guide member 31 or may be located on the guide bracket 32, and when the first elongated hole 322 is installed on the guide member 31, a first protrusion matched with the first elongated hole 322 may be installed on the guide bracket 32, and the first elongated hole 322 on the guide member 31 and the first protrusion on the guide bracket 32 may be matched with each other, so that the guide member 31 moves along a conveying direction perpendicular to the conveying belt 11 through the first protrusion.

In this embodiment, the first elongated hole 322 is formed in the guide bracket 32 or the guide member 31 and is disposed along the conveying direction perpendicular to the conveying belt 11, so that the coverage area of the pressing assembly 20 on the battery pole pieces with different width sizes can be flexibly adjusted, so as to flatten the battery pole pieces with different sizes.

In one embodiment, the second sliding portion 12 is disposed on the console 10 or the guiding bracket 32, and the guiding bracket 32 is adjustable in position on the console 10 through the second sliding portion 12.

Specifically, the second sliding portion 12 may be mounted on the console 10 or the guide bracket 32. When the second slide part 12 is mounted on the console 10, the guide bracket 32 is mounted with a second mating part that mates with the second slide part 12, so that the guide bracket 32 can be moved in parallel with the conveying direction of the conveyor belt 11 by the second slide part 12 with the second slide part 12 and the second mating part mated with each other. When the second sliding portion 12 is mounted on the guide bracket 32, the second mating portion that mates with the second sliding portion 12 is mounted on the console 10, so that the guide bracket 32 can move in a direction parallel to the conveying direction of the conveyor belt 11 through the second sliding portion 12 in a state where the second sliding portion 12 and the second mating portion mate with each other, so that the guide 31 is driven to move in a direction parallel to the conveying direction of the conveyor belt 11 through the guide bracket 32.

The second sliding portion 12 may be a sliding rail or a through hole, and the second engaging portion may be a protrusion or a member engaged with the sliding rail, and the protrusion may be moved in a direction parallel to the conveying direction of the conveyor belt 11 at the position of the through hole or the sliding rail.

Alternatively, the second sliding portion 12 includes a second elongated hole 121, and the second elongated hole 121 is provided at an edge position of the upper surface of the operation table 10 in parallel to the conveying direction of the conveyor belt 11; the guide bracket 32 is position-adjustable on the console through the second elongated hole 121.

In a possible implementation manner, the second elongated hole 121 may be located on the console 10 or may be located on the guide bracket 32, when the second elongated hole 121 is installed on the console 10, the guide bracket 32 may be provided with a second protrusion matched with the second elongated hole 121, and the second protrusion and the second hole 121 may have the same size and shape and match each other, so that the guide bracket 32 moves along a direction parallel to the conveying direction of the conveyor belt 11 through the second elongated hole 121, and then drives the guide member 31 to move along a direction parallel to the conveying direction of the conveyor belt 11.

In another possible implementation manner, the second elongated hole 121 may be located on the guide bracket 32, or may be located on the operation table 10, when the second elongated hole 121 is installed on the guide bracket 32, a second protrusion matched with the second elongated hole 121 may be installed on the operation table 10, and the second elongated hole 121 on the guide bracket 32 and the second protrusion on the operation table 10 may be matched with each other, so that the guide member 31 moves along a direction parallel to the conveying direction of the conveying belt 11 through the second protrusion, and further drives the guide member 31 to move along a direction parallel to the conveying direction of the conveying belt 11.

In this embodiment, the second elongated hole 121 is formed in the guide bracket 32 or the operating table 10 and is disposed along the conveying direction parallel to the conveying belt 11, so that the coverage area of the pressing assembly 20 on the battery pole pieces with different length sizes can be flexibly adjusted, so as to flatten the battery pole pieces with different sizes.

In one embodiment, the above-mentioned battery pole piece anti-warping device further includes: edge supports 13, the edge supports 13 are mounted on the operation table 10 and located at both sides of the conveyor belt 11, and the upper surfaces of the edge supports 13 are flush with the upper surface of the conveyor belt 11 in the conveying position.

The battery detection device may include a plurality of conveyor belts, and the functions corresponding to each conveyor belt may be different, for example, the battery detection device may include a conveyor belt 11 in a conveying position, or may include a conveyor belt in an empty position, where the conveyor belt 11 in the conveying position has a conveying function, and the conveyor belt in the empty position has a conveying stopping function.

The edge supporting pieces 13 may be mounted on the console 10 and located on two sides of the conveyor belt 11, the edge supporting pieces 13 may be made of cast iron or alloy, and the upper surfaces of the edge supporting pieces 13 are flush with the upper surface of the conveyor belt 11, so that the edge supporting pieces 13 can support battery pole pieces except the adsorption part of the conveyor belt 11 during the conveying process of the battery pole pieces.

In this embodiment, through being provided with edge support piece 13 on operation panel 10 and being located the both sides of conveyer belt 11, and edge support piece 13's upper surface and the conveyer belt 11 upper surface parallel and level that is in the conveying position, can be convenient for in the conveying process of battery pole piece, edge support piece 13 can steadily support preforming subassembly 20 to preforming subassembly 20 flattens tab, pole piece, guarantees not to warp.

In one embodiment, the operation table 10 is provided with an air suction mechanism, the air suction mechanism is located below the conveying position, and the conveying belt 11 is provided with a plurality of through holes 111.

Specifically, the air suction mechanism is used for providing negative pressure, the air suction mechanism is located below the conveying position, and the conveying belt 11 is provided with a plurality of through holes 111, and the through holes 111 can be round holes or square holes. The suction mechanism is used for providing negative pressure, and the negative pressure is adopted to adsorb the battery pole piece through the through hole 111 formed in the conveyor belt 11, so that the battery pole piece is stably adsorbed on the adsorption belt.

Taking the tabletting as a PET tabletting film for example, a battery pole piece is placed at the head of the conveyor belt 11, the battery pole piece is driven to move by the movement of the conveyor belt 11, and gradually enters between the PET tabletting film and the operating platform 10 through the arc guide piece 31, so that the battery pole piece is flattened by the PET tabletting film and does not warp. Wherein, can set up first elongated hole 322 and set up the second elongated hole 121 on the control panel 10 in the guide bracket 32, make the guide 31 move along the direction of conveyance perpendicular to the conveyor belt 11 through the first elongated hole 322, can make the guide bracket 32 move along the direction of conveyance parallel to the conveyor belt 11 through the second elongated hole 121 at the same time, in order to be suitable for the battery pole pieces of different size.

In this embodiment, through being provided with the mechanism that induced drafts on operation panel 10, and induced drafts the mechanism and be located the below of conveying position, a plurality of through-holes 111 have been seted up on conveyer belt 11, can adopt negative pressure absorption battery pole piece, thereby adsorb battery pole piece on the absorption belt steadily, and owing to be provided with preforming subassembly 20 in at least one side of the direction of delivery of conveyer belt 11, can guarantee that the battery pole piece is in transmission or detection process, the edge flattening of battery pole piece through preforming subassembly 20, pole piece or tab warp influence pole piece detection in the battery pole piece is avoided, and through setting up the preforming, can guarantee that the image of battery pole piece is accurately gathered through the light that the preforming was sees through to the image acquisition unit, make the pole piece vision image that presents complete, effectively improve the degree of accuracy that the battery pole piece detected, and then improve the safety guarantee of battery, the yield of lifting machine platform, reduce the waste of battery pole piece, reduce national resources, the waste of trade material.

On the other hand, in another embodiment of the present application, a pole piece detection device is provided, where the pole piece detection device includes the battery pole piece anti-tilting device provided in the above embodiment. The battery pole piece tilting prevention device is arranged at the head part of the pole piece detection equipment.

Optionally, the above pole piece detection device further includes an image acquisition unit, the image acquisition unit is located above the pressing sheet in the battery pole piece tilting prevention device, the image acquisition unit can acquire image information of the battery pole piece through light transmitted by the pressing sheet, and the image information is used for detecting whether the battery pole piece meets requirements.

The image acquisition unit may be a camera, a charge coupled device (Charge coupled Device, a CCD), or a CCD image sensor.

The image acquisition unit can be located above the pressing sheet and is used for carrying out image acquisition on the battery pole piece through light transmitted by the pressing sheet in the conveying process of the battery pole piece, so that image information of the battery pole piece is obtained and sent to the processing unit, and the processing unit detects whether the battery pole piece meets the requirements according to the image information of the battery pole piece, for example, whether the size of each tab in the battery pole piece is reasonable, whether the shape of the battery pole piece is perfect or not and the like.

Specifically, take the preforming as PET preforming membrane, image acquisition unit is CCD image sensor for the example, place the conveyer belt head in pole piece check out test set with the battery pole piece, produce negative pressure through induced draft mechanism, in order to adsorb the battery pole piece, move the battery pole piece when the conveyer belt removes the in-process, and get into between PET preforming membrane and the operation panel through the pitch arc guide gradually, the battery pole piece just is flattened by the PET preforming membrane, do not warp, at this moment, the CCD image sensor that is located PET preforming membrane top gathers the image of battery pole piece and sends to processing unit, in order to detect whether the battery pole piece accords with the requirement through predetermineeing battery detection condition. The battery detection conditions are set according to the corresponding battery size under the condition that the battery pole piece is good, and can be customized according to actual requirements.

According to the pole piece detection equipment provided by the embodiment, the battery pole piece anti-tilting device is arranged at the head of the pole piece detection equipment, so that the battery pole piece can be guaranteed to be flattened in the transmission process or the detection process, the edge of the battery pole piece is flattened through the tabletting assembly, the pole lug and the pole piece are prevented from tilting, the pole piece detection is prevented from being influenced by the tilting of the pole piece or the pole lug in the battery pole piece, the problem that the battery pole piece is tilted in the transmission process or the detection process is solved, the detection accuracy of the battery pole piece is improved, the safety guarantee of a battery is further improved, the yield of a lifting machine table is improved, the waste of the pole piece is reduced, and the waste of national resources and industry materials is reduced.

It should be noted that although the operations of the method of the present utility model are depicted in the drawings in a particular order, this does not require or imply that the operations must be performed in that particular order or that all of the illustrated operations be performed in order to achieve desirable results. Rather, the steps depicted in the flowcharts may change the order of execution. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform.

The above description is only illustrative of the preferred embodiments of the present utility model and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in the present utility model is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present utility model (but not limited to) having similar functions are replaced with each other.

Claims (16)

1. The utility model provides a battery pole piece prevents perk device which characterized in that includes:

the operation table is provided with a conveyor belt; the conveyor belt is used for conveying the battery pole pieces;

The pressing piece assembly comprises at least one pressing piece, the pressing piece is located on at least one side of the conveying belt and at least allows light to partially penetrate, the pressing piece is arranged with a gap between the conveying belt, and when the conveying belt conveys the battery pole piece, the pressing piece is used for at least flattening the edge of the battery pole piece.

2. The battery pole piece tilting prevention device according to claim 1, further comprising:

The guide assembly is positioned on the operating platform and is positioned at the upstream of the tabletting assembly, and the guide assembly is used for guiding the battery pole piece so that the battery pole piece can move to the lower part of the tabletting.

3. The battery pole piece tilting prevention device according to claim 2, wherein,

The guide assembly includes a guide member having a guide surface through which the battery pole piece can be guided to below the compression tab.

4. A battery pole piece tilting prevention device according to claim 3, wherein the guiding surface is a plane or an arc surface.

5. The battery pole piece tilting prevention device according to claim 4, wherein when the guide surface is a plane, an obtuse angle is formed between the guide surface and the upper surface of the conveyor belt, and an opening direction of the obtuse angle faces a conveying direction of the conveyor belt.

6. A battery pole piece tilting prevention device according to claim 3, wherein one end of the guide surface is connected to one end of the pressing piece, and the other end of the pressing piece extends in the conveying direction of the conveyor belt.

7. The battery pole piece anti-cocking device of claim 3, wherein the guide assembly further comprises:

The guide support is positioned on the operating platform, the guide support is provided with the guide piece, and the guide piece can move along the conveying direction perpendicular to the conveying belt.

8. The battery pole piece tilting prevention device according to claim 7, wherein the guide bracket or the guide member is provided with a first sliding portion, and the guide member is moved in a conveying direction perpendicular to the conveyor belt by the first sliding portion.

9. The battery pole piece tilting prevention device according to claim 8, wherein the first sliding part comprises a first elongated hole which is located on the guide bracket or the guide member and is arranged in a direction perpendicular to a conveying direction of the conveyor belt;

the guide member moves through the first elongated hole in a conveying direction perpendicular to the conveyor belt.

10. The battery pole piece tilting prevention device according to claim 9, wherein the first elongated hole is arranged along a first direction, the first direction being perpendicular to the conveying direction and being in the same plane; or the first long hole is arranged along a second direction, and the plane in which the second direction is positioned is perpendicular to the plane in which the conveying direction is positioned.

11. The battery pole piece tilting prevention device according to claim 7, wherein a second sliding part is arranged on the operating platform or the guide bracket, and the position of the guide bracket on the operating platform is adjustable through the second sliding part.

12. The battery pole piece anti-cocking device of claim 11, wherein the second sliding portion comprises a second elongated aperture, the guide bracket being position-adjustable on the console through the second elongated aperture.

13. The battery pole piece anti-lifting device according to any one of claims 1-12, wherein the sheeting is a transparent sheeting.

14. The battery pole piece anti-cocking device of any of claims 1-12, wherein the compression tab is a flexible compression tab.

15. A pole piece detection device, characterized in that it comprises a battery pole piece anti-lifting device according to any one of claims 1-14.

16. The pole piece detection device of claim 15, further comprising an image acquisition unit, wherein the image acquisition unit is located above the pressing piece in the battery pole piece tilting prevention device, and the image acquisition unit can acquire image information of the battery pole piece through light transmitted by the pressing piece, so as to detect whether the battery pole piece meets requirements.