CN218402950U - Pole piece conveying device, pole piece winding equipment and power battery processing system - Google Patents
Pole piece conveying device, pole piece winding equipment and power battery processing system Download PDFInfo
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- CN218402950U CN218402950U CN202222949071.9U CN202222949071U CN218402950U CN 218402950 U CN218402950 U CN 218402950U CN 202222949071 U CN202222949071 U CN 202222949071U CN 218402950 U CN218402950 U CN 218402950U
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Abstract
The utility model discloses a pole piece conveying device, pole piece winding equipment and a power battery processing system, wherein the pole piece conveying device is used for conveying pole pieces to the winding equipment; the pole piece conveying device comprises a cutting mechanism and a limiting mechanism, the cutting mechanism is used for cutting the pole piece, and the cutting mechanism is provided with an output side; the limiting mechanism is arranged on the output side of the cutting mechanism and is provided with an input side, an output side and a first channel extending from the input side of the limiting mechanism to the output side of the limiting mechanism; the first channel is used for enabling the pole piece to move and flatten from the output side of the cutting mechanism to the output side of the limiting mechanism. The limiting mechanism is arranged on the output side of the cutting mechanism, so that the cut pole piece is limited in the first channel, the end part of the pole piece after cutting is limited by the first channel, the end part of the pole piece keeps in a flattening state in the first channel to be output, and the tail flicking of the cutting part of the pole piece is avoided.
Description
Technical Field
The utility model relates to a power battery processing field, in particular to pole piece conveyor, pole piece winding equipment and power battery system of processing.
Background
In the process of conveying the pole piece of the power battery, the pole piece is tensioned by the winding drum and the clamping device, when the pole piece is cut, the acting force acting on the cutting part of the pole piece disappears instantly, the tail flicking of the cutting part of the pole piece can be caused, and the pole piece is damaged or even scrapped.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims at providing a pole piece conveying device, aim at solving the problem of the easy drift of current pole piece transportation process.
In order to achieve the above purpose, the utility model provides a pole piece conveying device, which is used for conveying pole pieces to a winding device; the pole piece conveying device comprises:
the cutting mechanism is used for cutting the pole piece; the cutting mechanism has an output side;
the limiting mechanism is arranged on the output side of the cutting mechanism and provided with an input side, an output side and a first channel extending from the input side of the limiting mechanism to the output side of the limiting mechanism;
the first channel is used for enabling the pole piece to move and flatten from the output side of the cutting mechanism to the output side of the limiting mechanism.
The limiting mechanism is arranged on the output side of the cutting mechanism, so that the cut pole piece is limited in the first channel, the end part of the pole piece after cutting is limited by the first channel, the end part of the pole piece is kept in the first channel to be output in a flattening state, the pole piece is prevented from moving in the thickness direction, and then the tail flick of the cutting part of the pole piece is avoided, so that the pole piece is prevented from being damaged.
In some examples, the stop mechanism has first and second oppositely disposed stop surfaces forming the first channel therebetween.
The first channel is formed by the first limiting surface and the second limiting surface, so that the first limiting surface and the second limiting surface are respectively matched with two end surfaces in the thickness direction of the pole piece, the pole piece is kept in a good flattening state in the conveying process of the first channel, the local shaking of the pole piece is prevented, and the damage of the pole piece caused by shaking is avoided.
In some examples, the limiting mechanism comprises a first clamping piece and a second clamping piece which are oppositely arranged, the first clamping piece is provided with the first limiting surface, and the second clamping piece is provided with the second limiting surface.
First holder and second holder form first spacing face and the spacing face of second respectively to when spacing, have certain pressure effect to the pole piece that is in the first passageway, make the pole piece can not produce relative shake, the pole piece only can be transmitted along the extending direction of first passageway in the first passageway, can not carry out the whipping in the extending direction of perpendicular to first passageway.
In some examples, the first clamp comprises:
at least two first rollers which are arranged at intervals;
the first conveying belt is arranged on the at least two first rollers in a transmission mode and is provided with a first limiting surface.
Through adopting two at least first running rollers with first conveyer belt tensioning to make first running roller rotate the in-process, first conveyer belt can synchronous motion, and then can form first spacing face in the time, carry the pole piece along the extending direction of first passageway.
In some examples, the first clamp further comprises:
and the deviation rectifying baffle is arranged adjacent to the first channel so as to limit the side edge of the pole piece passing through the first channel.
The deviation rectifying baffle is used for blocking the side edge of the pole piece, so that the pole piece can only move along the extending direction of the first channel, and the pole piece cannot deviate towards the two sides of the first channel, and the deviation rectifying effect on the pole piece is achieved.
In some examples, the deviation-rectifying baffle is disposed around a peripheral wall of the first roller, and a difference between a minimum peripheral diameter of the deviation-rectifying baffle and an outer diameter of the first roller is greater than a thickness of the first conveyor belt.
Because first running roller needs to cooperate with first conveyer belt, through the minimum periphery diameter of injecing the baffle of rectifying, can make the separation blade of rectifying can play to the pole piece and block the effect, can play simultaneously to rectify to first conveyer belt and spacing effect. The utilization is the baffle of rectifying that encircles first running roller setting, can make the baffle of rectifying rotate the in-process along with first running roller and play better effect of rectifying.
In some examples, the first roller remote from the cutting mechanism is provided with the deviation rectification baffle.
When stop gear was more close to cutting mechanism and was set up, through setting up the baffle of rectifying on the first running roller of keeping away from cutting mechanism, produced the skew when can prevent that the pole piece from carrying to the position of keeping away from cutting mechanism.
In some examples, the pole piece delivery device further comprises:
the feeding roller is arranged on one side of the cutting mechanism far away from the limiting mechanism; the number of the feeding rollers is at least two, and a second channel for the pole pieces to move is formed between the feeding rollers.
The feeding roller is used for conveying the pole pieces to the cutting mechanism so as to realize pole piece input. The second channel is used for limiting the position of the pole piece, and meanwhile, certain friction force action can be generated on the pole piece, so that the pole piece moves according to a preset track.
In some examples, the cutting mechanism is disposed closer to the stop mechanism than the feed roller.
Through making cutting mechanism more be close to stop gear setting for the pole piece is shortened as far as possible by the length of the distance stop gear at position of cutting off, and then avoids the pole piece to be cut off the position and produces the drift.
In some examples, the first roller proximate the cutting mechanism is provided with the deviation rectification baffle.
When stop gear was more close to pole piece coiling equipment and was set up, because stop gear can play certain limiting displacement to the pole piece, through setting up the baffle of rectifying on the first running roller that is close to cutting mechanism, produced the skew when can preventing that the pole piece from getting into first passageway.
In some examples, the pole piece transport device further comprises a visual inspection mechanism for inspecting the pole piece.
And detecting the quality of the pole piece through a visual detection mechanism so as to control the quality of the pole piece conveyed to the winding equipment.
In some examples, the first conveyor belt is perforated with holes;
the visual detection mechanism is arranged corresponding to the position of the hollow hole and used for detecting the pole piece through the hollow hole.
Through setting up the fretwork hole, can make vision detection mechanism see through the quality that the fretwork hole is located the pole piece in the first passageway.
In some examples, the number of the hollow holes is multiple, and the hollow holes are arranged at intervals.
Through setting up a plurality of fretwork holes, can form a plurality of detection positions to the increase detects the frequency, helps promoting detection efficiency and detection credibility.
In some examples, the visual detection mechanism is arranged on one side of the first clamping piece away from the second clamping piece;
when the visual detection mechanism detects the pole piece, the positions of at least two of the hollow holes correspond to the positions of the visual detection mechanism.
Through setting up visual detection mechanism in the one side that second holder is kept away from to first holder, can make visual detection mechanism have bigger installation space. Utilize two at least fretwork holes on the first conveyer belt to mutually support to make visual detection mechanism can detect the quality of the pole piece in the first passageway from the outside of first conveyer belt.
In some examples, the pole piece is a cathode pole piece. The visual detection mechanism is used for detecting the quality of the cathode pole piece.
In some examples, the second clamp comprises:
at least two second rollers which are arranged at intervals; and the second conveying belt is arranged on at least two second clamping pieces in a transmission manner, and the second conveying belt is provided with a second limiting surface.
The second clamping piece is used for being matched with the first clamping piece to form a first channel for limiting the pole piece. Through adopting the second running roller to cooperate with the second conveyer belt, can realize that the drive pole piece removes along first passageway, and then when playing limiting displacement to the pole piece, make the pole piece remove along first passageway.
In some examples, the pole piece delivery device further comprises:
the cutting mechanism is far away from one side of the limiting mechanism and/or the output side of the limiting mechanism is provided with the guide plate.
The guide plate is used for supporting the pole piece, so that the pole piece can be kept to move on a preset track before being input into the cutting mechanism and after being output from the limiting mechanism, and unnecessary shaking of the pole piece is further prevented.
In some examples, the delivery device further comprises:
dust absorption mechanism, cutting mechanism keeps away from one side of stop gear and/or stop gear's output side is equipped with dust absorption mechanism, dust absorption mechanism is used for adsorbing dust on the pole piece.
The dust absorption mechanism is used for extracting dust or other impurities on the surface of the pole piece and the pole piece conveying track so as to prevent the pole piece from being polluted.
The utility model discloses on above-mentioned pole piece conveyor's basis, still provide a pole piece coiling equipment's example, pole piece coiling equipment is used for coiling the pole piece, pole piece coiling equipment includes:
a pole piece delivery apparatus as in any one of the examples above; and a winding needle for winding the pole piece; the winding needle is arranged on the output side of the limiting mechanism.
The pole piece is driven to move along a preset track in the process of rotating the winding needle, and the pole piece conveying device is provided with the limiting mechanism, so that the pole piece can be limited, the tail swing of the pole piece is prevented, the pole piece can be prevented from being damaged in the conveying process, and the quality of the pole piece conveyed to the winding needle is guaranteed.
In some examples, the pole piece winding apparatus comprises at least two of the pole piece conveyors.
Through setting up multiunit pole piece conveyor to realize carrying a plurality of pole pieces simultaneously, and then conveniently carry out the coiling of pole piece.
The utility model discloses on the basis of above-mentioned pole piece winding equipment, still provide a power battery system of processing's example, include as above-mentioned arbitrary example pole piece winding equipment.
By adopting the pole piece winding equipment, the quality of the processed power battery can be effectively improved, and the problem of battery quality reduction caused by damage of the pole piece of the power battery is avoided.
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 structural diagram of an example of a pole piece conveying device according to the present invention;
fig. 2 is a schematic structural view of an example of the limiting mechanism of the present invention;
fig. 3 is a schematic structural diagram of an example of the cutting mechanism and the limiting mechanism in a matching state according to the present invention;
fig. 4 is a schematic structural diagram of an example of the first roller according to the present invention;
fig. 5 is a schematic structural diagram of an example of a fitting state of the pole piece and the first conveyor belt according to the present invention;
fig. 6 is a schematic structural view of another example of the fitting state of the pole piece and the first conveyer belt according to the present invention;
fig. 7 is a schematic structural diagram of an example of the pole piece winding apparatus of the present invention;
fig. 8 is a schematic structural diagram of another example of the pole piece winding apparatus of the present invention.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 10 | |
11 | |
| 12 | |
20 | |
| 30 | |
40 | |
| 50 | |
51 | |
| 52 | Moving |
60 | Limiting |
| 61 | |
611 | |
| 612 | First conveyer belt | 613 | A |
| 614 | |
615 | Deviation-rectifying |
| 616 | |
62 | |
| 621 | The |
63 | |
| 631 | |
632 | |
| 633 | |
70 | |
| 80 | Dust absorption mechanism |
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 up, down, left, right, front, and back … …) 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 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.
The batteries referred to in the art may be classified into disposable batteries and rechargeable batteries according to whether they are rechargeable or not. Types of rechargeable batteries that are common today are: lead-acid batteries, nickel-metal hydride batteries, and lithium ion batteries. Reference to a battery in examples of the present disclosure refers to a single physical module that includes one or more battery cells to provide a predetermined voltage and capacity. The battery cell is a basic unit in the battery, and can be generally divided into: the battery comprises a cylindrical battery monomer, a cuboid battery monomer and a soft package battery monomer.
The battery monomer comprises a positive pole piece, a negative pole piece, electrolyte and an isolating membrane. The lithium ion battery cell mainly depends on the movement of lithium ions between the positive pole piece and the negative pole piece to work. The film structure of three layers of materials in the cylindrical battery cell is wound into an electrode assembly having a cylindrical shape, and the film structure is wound or stacked into an electrode assembly having a substantially rectangular parallelepiped shape in the rectangular parallelepiped battery cell.
In some scenarios, the pole pieces of the battery cells need to be wound to form a preset shape, and the pole pieces often need to be cut due to different winding length requirements of the pole pieces. In the process of conveying the pole piece, in order to enable the pole piece to move according to a preset track, the pole piece generally can be under certain tension action, so that the pole piece is in a flattening state and moves along the preset track. When the cutter is used for cutting the preset position of the pole piece, the tension acting on one end of the pole piece disappears, so that the part of the pole piece cut off can shake in the direction perpendicular to the conveying direction of the pole piece, and then the tail flicking or the large-amplitude shaking is generated. When the pole piece is thrown, the pole piece can be damaged, and even the pole piece is scrapped.
The utility model discloses an in the example is to current pole piece transportation process, the pole piece is produced the drift easily by the position of cutting and is leaded to the condemned problem of pole piece, has provided a pole piece conveyor. The utility model discloses an in the example pole piece conveyor, after can making the pole piece cut, be the flat state of exhibition according to predetermineeing the orbit and carry, prevent that the pole piece from producing the drift or shake by a wide margin, and then can prevent that the pole piece from damaging.
Referring to fig. 1 and 2, an example of the present invention provides a pole piece conveying device, which is used for conveying a pole piece to a winding apparatus; the pole piece conveying device comprises a cutting mechanism 50 and a limiting mechanism 60. The cutting mechanism 50 is used for cutting the pole pieces; the cutting mechanism 50 has an output side; the limiting mechanism 60 is arranged on the output side of the cutting mechanism 50, and the limiting mechanism 60 is provided with an input side, an output side and a first channel 614 extending from the input side of the limiting mechanism 60 to the output side of the limiting mechanism 60; the first channel 614 is used to move and flatten the pole piece from the output side of the cutting mechanism 50 to the output side of the stop mechanism 60.
The cutting mechanism 50 is used to cut the pole piece so that the preset position of the pole piece can be cut off. The cutting mechanism 50 has an input side and an output side, the pole pieces move in the direction from the input side to the output side of the cutting mechanism 50, and when the position of the cutting knife of the cutting mechanism 50 is reached, the cutting knife cuts off the pole pieces. The pole pieces are typically fed in a flattened state to a cutting mechanism 50, which cuts the pole pieces along their thickness direction.
The limiting mechanism 60 is used for limiting the pole pieces output from the output side of the cutting mechanism 50, so that the pole pieces can move along a preset track. The limiting mechanism 60 is formed with a first channel 614, the first channel 614 is used for accommodating a pole piece, and the pole piece does not move in the thickness direction, so that the pole piece can continue to be in a flattened state during the process of continuing to move along the first channel 614. The stop mechanism 60 has an input side and an output side, the input side of the stop mechanism 60 being adjacent the output side of the cutting mechanism 50, and the first channel 614 extends from the input side of the stop mechanism 60 to the output side of the stop mechanism 60.
The pole pieces are transported to a winding device, which is used to prevent the pole pieces from being wound up according to a preset value. The winding device can be a reel for winding the pole piece or a winding needle 10 for winding the pole piece, or other devices capable of winding the pole piece. When the pole piece is wound on the winding device, the winding device can tension and draw the pole piece to a certain degree, so that the pole piece can move from the cutting mechanism 50 to the limiting mechanism 60.
After the pole piece is cut off by cutting mechanism 50, the tensile force that the end tip of pole piece received disappears, because the afterbody end of pole piece is located between the output side of cutting mechanism 50 and the input side of stop gear 60, the tip of pole piece continues to the stop gear 60 direction removal in-process, the tip of pole piece is injectd in first passageway 614, make the pole piece can continue to be the exhibition flat state under the injecing of first passageway 614 and remove to the output side direction of stop gear 60, support and spacing through first passageway 614 to the pole piece, prevent that the pole piece from producing the ascending shake of big amplitude in the thickness direction, and then avoid the pole piece to produce the whipping at the output side of cutting mechanism 50, prevent the pole piece because the damage that the whipping caused.
Taking the limiting mechanism 60 shown in fig. 1 and fig. 2 as an example, when the pole piece moves in the first channel 614 formed by the limiting mechanism 60, two surfaces of the pole piece in the thickness direction are limited by the inner surface of the limiting mechanism 60, so that the pole piece cannot shake in a large range in the thickness direction, and the pole piece is prevented from being damaged. The length of the first channel 614 may be determined according to the distance the pole piece transport needs to transport. The width of the first channel 614 may be determined according to the width of the pole piece to be transported, and the width of the first channel 614 may be slightly larger than the width of the pole piece. The thickness of the first channel 614 is determined according to the thickness of the pole piece to be conveyed, and the thickness of the first channel 614 is larger than or equal to the thickness of the pole piece, so that when the pole piece moves in the first channel 614, the pole piece can move relatively, and the pole piece cannot move in a large range in the thickness direction.
In this example, the number of the limiting mechanisms 60 may be at least two, and the number of the limiting mechanisms 60 may be determined according to the conveying distance required by the pole piece conveying device.
In some examples, the first channel 614 is a through slot opened on the limiting mechanism 60, and the extending direction of the first channel 614 is consistent with the conveying direction of the pole piece. Two surfaces in the thickness direction of the through groove face the surface in the thickness direction of the pole piece respectively to limit the two surfaces in the thickness direction of the pole piece, and the pole piece is prevented from swinging in the thickness direction.
In some examples, the first channel 614 is a channel formed by a gap between two oppositely disposed plate-like structures, in particular, two plate-like structures having opposing surfaces between which the first channel 614 is formed.
In some examples, the first channel 614 is formed by a plate-like structure having a plane along the direction of pole piece transport and at least one roller, the first channel 614 being formed by a gap between the outer peripheral wall of the roller and the outer surface of the plate-like structure.
In some examples, the first channel 614 is formed by rollers arranged at intervals, and the gap between the rollers forms the first channel 614, so that the pole piece moves from the gap between the rollers during the rotation of the rollers, thereby realizing the transportation of the pole piece and preventing the pole piece from drifting.
In some examples, the spacing mechanism 60 includes a plate-like structure having a groove and at least one roller, the groove and the roller cooperating to form the first channel 614. The running roller rotates the in-process, and the pole piece can move along the direction of predetermineeing in the recess to at the running roller rotation in-process, can restrict the pole piece and remove on thickness direction, drive the extending direction motion of pole piece along the recess simultaneously.
In some examples, the limiting mechanism 60 includes a first plate with a groove and a second plate without a groove, and the groove of the first plate cooperates with one of the flat surfaces of the second plate to form the first channel 614.
Referring to fig. 3, in some examples, the cutting mechanism 50 includes a fixed blade 51 and a movable blade 52 cooperating with the fixed blade 51, the fixed blade 51 is fixedly installed at a predetermined position, and the movable blade 52 can move relative to the fixed blade 51. The movable blade 52 and the fixed blade 51 are respectively arranged at two sides of the pole piece in the thickness direction, and when the pole piece needs to be cut off, the movable blade 52 moves along the thickness direction of the pole piece so as to cut off the pole piece.
Referring to fig. 1 and 2, in some examples, the limiting mechanism 60 has a first limiting surface 613 and a second limiting surface 633 which are disposed opposite to each other, and a first channel 614 is formed between the first limiting surface 613 and the second limiting surface 633.
The first limiting surface 613 and the second limiting surface 633 are arranged oppositely, so that the first limiting surface 613 and the second limiting surface 633 respectively limit two surfaces of the pole piece in the thickness direction, and the pole piece is prevented from swinging in the thickness direction.
Further, in some examples, the first and second limit surfaces 613 and 633 may be two opposing surfaces within the through slot provided on the limit mechanism 60 in the above examples. In some examples, the first and second retaining surfaces 613 and 633 may be facing surfaces of two plate-like structures in the above examples.
Through adopting first spacing face 613 and the cooperation of second spacing face 633 for the pole piece is injectd inside first passageway 614, and the pole piece moves the in-process along first passageway 614, can not produce the ascending shake of thickness direction, and then avoids the pole piece to damage. Because the limiting mechanism 60 is arranged at the output side of the cutting mechanism 50, after the pole piece is cut, when the pole piece continuously moves along the preset track, the pole piece rapidly enters the input side of the limiting mechanism 60, so that the pole piece is continuously output in a flattening state, and the pole piece is prevented from being bent and whipped.
Further, in some examples, the first limiting surface 613 and the second limiting surface 633 may be disposed parallel to each other to maintain a uniform thickness of the first channel 614. In some examples, the first limiting surface 613 and the second limiting surface 633 may be disposed at an angle, so that the first limiting surface 613 and the second limiting surface 633 can form the first channel 614 for conveying the pole piece, and simultaneously prevent the pole piece from shaking in the thickness direction.
Referring to fig. 1, 2 and 3, in some examples, the limiting mechanism 60 includes a first clamping member 61 and a second clamping member 63 disposed opposite to each other, the first clamping member 61 has a first limiting surface 613, and the second clamping member 63 has a second limiting surface 633.
A gap is formed between the first clamping member 61 and the second clamping member 63, a first channel 614 is formed between the first limiting surface 613 of the first clamping member 61 and the second limiting surface 633 of the second clamping member 63, and the first limiting surface 613 and the second limiting surface 633 respectively limit two surfaces of the pole piece in the thickness direction, so as to limit the movement of the pole piece in the thickness direction.
In this example, the first clamp 61 and the second clamp 63 may have a plate-like structure as described in the above example, or may have another structure capable of forming the first stopper surface 613 or the second stopper surface 633. The first clamping member 61 and the second clamping member 63 act on the pole piece simultaneously, so that the pole piece can only move in the direction of extension of the first channel 614.
With reference to fig. 2 and fig. 3, in some examples, the first clamping member 61 includes at least two first rollers 611 disposed at intervals and a first conveying belt 612, the first conveying belt 612 is disposed on the at least two first rollers 611 in a transmission manner, and the first conveying belt 612 is formed with a first limiting surface 613.
When the first roller 611 rotates, the first conveying belt 612 is driven by the first roller 611 to move relatively. The first conveyor belt 612 generates a certain friction force on the surface of the pole piece in the thickness direction, so that the first conveyor belt 612 can drive the pole piece to move along the preset direction.
In this example, the first conveyor belt 612 may be a belt. When the first conveying belt 612 moves along with the first roller 611, a side surface of the first conveying belt 612 facing the second limiting surface 633 of the second clamping member 63 forms a first limiting surface 613.
When the pole piece is located in the first channel 614, the first position-limiting surface 613 formed on the first conveyer belt 612 may be attached to one surface of the pole piece in the thickness direction, so that the pole piece can move synchronously with the first conveyer belt 612, and the conveying of the pole piece is realized. Since the pole piece can be limited on the first limit surface 613, the jitter of the pole piece in the thickness direction is reduced.
The number of the first rollers 611 may be two, and when there are two first rollers 611, the two first rollers 611 are disposed at intervals along the pole piece preset conveying direction to tension the first conveying belt 612. The number of the first rollers 611 may also be three or more, and the first rollers 611 are matched with the first conveying belt 612, so that the first conveying belt 612 can always have a surface facing the second limiting surface 633 to limit the pole piece.
Referring to fig. 5, in some examples, the width of the pole piece is greater than the width of the first conveyor belt 612, and the first conveyor belt 612 is only used for limiting the thickness direction of the pole piece, so as to prevent the pole piece from shaking in the thickness direction.
Referring to fig. 6, in some examples, the width of the pole piece is smaller than the width of the conveyor belt, and the first conveyor belt 612 may limit the movement of the pole piece in the thickness direction; because there is relative frictional force between pole piece and the first conveyer belt 612, first conveyer belt 612 also can carry out the spacing to the removal of pole piece in the width direction to a certain extent.
Referring to fig. 4, in some examples, the first clamping member 61 further includes a deviation-rectifying baffle 615 disposed adjacent to the first channel 614 to limit the side of the pole piece passing through the first channel 614.
The deviation-correcting baffle 615 is used to block the side of the pole piece to prevent the pole piece from shifting in the width direction. The deviation-rectifying baffle 615 at least partially protrudes from the outer peripheral wall of the first roller 611, so that the deviation-rectifying baffle 615 can prevent the pole piece from being displaced in the width direction during the rotation of the first roller 611.
When the pole piece moves along the preset track in the first channel 614, the deviation rectification baffle 615 is used for blocking the side edge of the pole piece, so that the pole piece is prevented from moving out from the width direction of the first channel 614, and the limit of the pole piece is further realized.
In some examples, the deviation-rectifying baffle 615 may be a blocking mechanism disposed at the side of the first conveyor belt 612, for example, the deviation-rectifying baffle 615 may be a roller, the axial direction of the roller is parallel to the thickness direction of the pole piece, the deviation-rectifying baffle 615 does not block the movement of the pole piece along the extending direction of the first channel 614, and the deviation-rectifying baffle 615 may block the movement of the pole piece along the width direction when the side edge of the pole piece in the width direction contacts the deviation-rectifying baffle 615.
In some examples, the rectification baffles 615 may also be disposed directly on the first roller 611 to facilitate installation of the rectification baffles 615.
Referring to fig. 4, further, in some examples, the deviation rectification baffle 615 is disposed around the outer circumferential wall of the first roller 611, and a difference between a minimum outer circumferential diameter of the deviation rectification baffle 615 and an outer diameter of the first roller 611 is greater than a thickness of the first conveyor belt 612.
By providing the deviation rectification blocking plate 615 on the outer circumferential wall of the first roller wheel 611, the installation of the deviation rectification blocking plate 615 can be facilitated. The deviation rectification baffle 615 may be disposed at an axial end of the first roller 611, or may be disposed at another position that does not affect the first conveyor belt 612. The deviation rectification flapper 615 may have a disk shape, and the deviation rectification flapper 615 is installed at an axial end of the first roller 611 to prevent the deviation rectification flapper 615 from interfering with the first conveyor belt 612. The deviation rectification baffle 615 may also be of a circular ring structure.
The difference between the minimum outer diameter of the deviation-rectifying baffle 615 and the outer diameter of the first roller 611 is the distance that the deviation-rectifying baffle 615 protrudes from the outer surface of the first roller 611, and the distance is greater than the thickness of the first conveyer belt 612, so that the deviation-rectifying baffle 615 can protrude at least from the outer portion of the first conveyer belt 612, and when the pole piece moves along the preset track under the action of the first conveyer belt 612, the deviation-rectifying baffle 615 can block the side position of the pole piece.
In some examples, a deviation-correcting guard 615 is provided on the first roller 611 remote from the cutting mechanism 50.
When the stop mechanism 60 is positioned closer to the cutting mechanism 50 relative to the winding device, the pole piece, after being cut by the cutting mechanism 50, enters the first channel 614 of the stop mechanism 60 and moves along the first channel 614 toward the winding device. Taking the winding apparatus having the winding needle 10 as an example, after passing through the first channel 614, the pole piece is conveyed to the winding needle 10, and is bent and wound according to a predetermined trajectory under the traction of the winding needle 10. When the limiting mechanism 60 is closer to the cutting mechanism 50, a certain distance is provided between the limiting mechanism 60 and the winding needle 10, at this time, the deviation rectifying baffle 615 is arranged on the first roller wheel 611 far away from the cutting mechanism 50, so that the deviation rectifying baffle 615 and the first roller wheel 611 are combined to form a deviation rectifying roller, and further, the deviation of the pole piece in the width direction is prevented when the pole piece is output from the first channel 614.
Further, in some examples, the pole piece conveying device further includes a feeding roller 62 disposed on a side of the cutting mechanism 50 away from the limiting mechanism 60; the number of the feeding rollers 62 is at least two, and a second channel 621 for the pole piece to move is formed between the feeding rollers 62.
The feeding roller 62 is used for conveying the pole pieces to the cutting mechanism 50, so that the pole pieces can be in a certain tensioning state at the input side of the cutting mechanism 50, and further the pole pieces can be conveyed to the cutting mechanism 50 for cutting according to a preset shape.
The feeding roller 62 is composed of a plurality of rollers, for example, two rollers, a second channel 621 is formed between the two rollers, and the pole piece can move to the cutting mechanism 50 along the second channel 621. The extending direction of the second channel 621 may be the same as the extending direction of the first channel 614, so that the pole piece is not turned or bent during the transportation of the first channel 614, the cutting mechanism 50 and the second channel 621.
Further, in some examples, the cutting mechanism 50 is positioned closer to the stop mechanism 60 than the feed roller wheel 62.
By making the cutting mechanism 50 closer to the limiting mechanism 60, the distance between the output side of the cutting mechanism 50 and the input side of the limiting mechanism 60 is as short as possible, and further the suspended distance between the output side of the pole piece of the cutting mechanism 50 and the input side of the limiting mechanism 60 is as short as possible, so that the pole piece is prevented from generating tail flicking in the region.
To avoid the pole pieces from drifting, further, in some examples, a guide plate 70 is provided between the output side of the cutting mechanism 50 and the input side of the limiting mechanism 60, and the pole pieces are restricted from shaking in the thickness direction by the guide plate 70. The guide plate 70 may be a plate-like structure having a plane extending in the pole piece conveying direction, and the pole piece is restrained by the plane on the guide plate 70 when the pole piece moves along the guide plate 70.
In order to prevent the pole pieces from shaking on the input side of the cutting mechanism 50 after the pole pieces are cut, a guide plate 70 is provided on the input side of the cutting mechanism 50, and the guide plate 70 restricts the movement of the pole pieces in the thickness direction.
In some examples, a deviation-correcting guard 615 is provided on the first roller 611 adjacent to the cutting mechanism 50.
When the position limiting mechanism 60 is closer to the winding needle 10 in the above example, there is a certain distance between the position limiting mechanism 60 and the cutting mechanism 50, and when the pole piece enters the first channel 614 of the position limiting mechanism 60, the pole piece is blocked by the deviation-rectifying baffle 615 in the width direction.
The deviation rectification baffle 615 is combined with the first roller 611 to form a deviation rectification roller. Because the first channel 614 can limit the movement of the pole piece in the thickness direction, the deviation-correcting baffle 615 further limits the movement of the pole piece in the width direction, so that the pole piece can only move along the preset track formed by the first channel 614, and the pole piece can be in a flattened state and conveyed to the position of the winding needle 10.
Further, in some examples, a guide plate 70 is provided on the output side of the limit mechanism 60, and the movement of the pole piece in the thickness direction is limited by the guide plate 70.
In some examples, a guide plate 70 is provided on the input side of the cutting mechanism 50, and the channel guide plate 70 prevents the movement of the pole piece on the input side of the cutting mechanism 50 in the thickness direction.
In some examples, the pole piece transport device further comprises a visual inspection mechanism for inspecting the pole piece.
The visual detection mechanism can acquire the image of the pole piece, so that a user can acquire the quality information of the pole piece through image data.
In some examples, the visual inspection mechanism is a device capable of acquiring a static image of the surface of the pole piece, such as a CCD camera or the like. In some examples, the visual detection mechanism is a device capable of imaging the pole piece. By acquiring the quality information of the pole piece, a user can conveniently judge the current pole piece information, and further determine the influence of the pole piece information on a product.
The visual inspection mechanism may be mounted anywhere on the pole piece transport, for example, the visual inspection mechanism may be mounted adjacent the first channel 614; alternatively, the visual detection mechanism is mounted on the input side or output side of the cutting mechanism 50. In some examples, visual detection mechanisms are respectively installed at a plurality of locations at the same time.
Further, in some examples, the first conveyor belt 612 has a hollow hole 616 formed thereon; the visual detection mechanism is arranged corresponding to the position of the hollow hole 616 and is used for detecting the pole piece through the hollow hole 616.
The visual inspection mechanism is disposed near the first holding member 61, or the visual inspection mechanism is disposed inside the first holding member 61. The visual inspection mechanism obtains quality information of the pole pieces in the first channel 614 through the through holes 616 disposed on the first conveyor belt 612.
Further, in some examples, the number of the hollow holes 616 is multiple, and the multiple hollow holes 616 are arranged at intervals.
Through setting up a plurality of fretwork holes 616, visual inspection mechanism can detect the pole piece through a plurality of fretwork holes 616 respectively to increase and detect the frequency, promote detection quality. When a plurality of visual inspection mechanisms are provided, during the movement of the first conveyor belt 612, the plurality of through holes 616 may be aligned with the plurality of visual inspection mechanisms, so that the plurality of visual inspection mechanisms may simultaneously perform the inspection of different portions of the pole piece. The plurality of through holes 616 may be disposed at intervals along the length direction of the first conveyor belt 612, so that when the first conveyor belt 612 moves, the plurality of through holes 616 are sequentially aligned with the visual detection mechanism, so as to facilitate the visual detection mechanism to perform detection.
Further, in some examples, the visual detection mechanism is provided on a side of the first clamping member 61 away from the second clamping member 63; when the visual inspection mechanism detects the pole piece, the positions of the at least two hollow holes 616 correspond to the positions of the visual inspection mechanism.
The visual inspection mechanism is disposed on a side of the first clamping member 61 away from the second clamping member 63 for easy installation. Since the first conveying belt 612 moves synchronously with the first roller 611, the first conveying belt 612 forms a double-layer shield for the vision detecting mechanism. In this example, when the visual inspection mechanism is operated, the inner side and the outer side of the first conveyor belt 612 are respectively provided with a hollow hole 616 capable of aligning with the visual inspection mechanism, so that the visual inspection mechanism can inspect the pole piece in the first channel 614 through the two layers of the first conveyor belts 612 on the inner side and the outer side.
In some examples, the pole piece is a cathode pole piece 30, the cathode pole piece 30 is transported by a pole piece transport mechanism, and the pole piece transport mechanism is provided with a visual inspection mechanism for inspecting the cathode pole piece 30.
Further, in some examples, the second clamping member 63 includes at least two second rollers 631 disposed at an interval therebetween and a second conveying belt 632, the second conveying belt 632 is disposed on the at least two second clamping members 63, and the second conveying belt 632 is formed with a second limiting surface 633.
When the second roller 631 rotates, the second conveyor belt 632 is moved relatively by the second roller 631. The second conveyer belt 632 generates a certain friction force on the surface of the pole piece in the thickness direction, so that the second conveyer belt 632 can drive the pole piece to move along the preset direction. In this example, the second conveyor belt 632 may be a belt. When the second conveyor belt 632 moves along with the second roller 631, a side surface of the second conveyor belt 632 facing the first position-limiting surface 613 of the first clamping member 61 forms a second position-limiting surface 633.
When the pole piece is located in the first channel 614, the second limit surface 633 formed on the second conveyor belt 632 can be attached to one surface of the pole piece in the thickness direction, so that the pole piece can move synchronously with the second conveyor belt 632 to convey the pole piece. Because the pole piece can be limited on the second limit surface 633, the shake of the pole piece in the thickness direction is reduced. The first limiting surface 613 is matched with the second limiting surface 633, so that the pole piece cannot move in the thickness direction.
The number of the second rollers 631 may be two, and when there are two second rollers 631, the two second rollers 631 are spaced along the pole piece preset conveying direction to tension the second conveying belt 632. The number of the second rollers 631 may also be three or more, and the second rollers 631 cooperate with the second conveyor belt 632, so that the second conveyor belt 632 can always have a surface facing the first position-limiting surface 613, so as to limit the position of the pole piece. In this example, the structural shape of the second roller 631 may be the same as the structure and shape of the first roller 611 described in the above examples, and thus, the description thereof is omitted.
In some examples, the pole piece conveying device further comprises a guide plate 70, and the side of the cutting mechanism 50 away from the limiting mechanism 60 is provided with the guide plate 70. The guide plate 70 is used for limiting the pole pieces so as to prevent the pole pieces from shaking before entering the cutting mechanism 50, and further, the cutting precision of the cutting mechanism 50 can be conveniently controlled, and the pole pieces are prevented from generating cutting defects.
After cutting, the traction force on the pole piece at the input side of the cutting mechanism 50 is changed, so that the pole piece is easy to generate a swing head in the thickness direction, and the swing of the pole piece in the thickness direction is limited by the guide plate 70, so that the problems that the pole piece is damaged or even scrapped due to the swing head and the like are prevented.
In some examples, the pole piece conveying device further comprises a guide plate 70, and the guide plate 70 is arranged on the output side of the limiting mechanism 60. Through set up deflector 70 at stop gear 60's output side for the pole piece can keep predetermined motion trail before carrying to the coiling equipment, prevents that the aversion from appearing in the pole piece, and then can effectively guarantee pole piece coiling quality. The guide plate 70 can prevent the pole piece from shaking in the thickness direction, so that the problems of damage, even scrapping and the like caused by large-amplitude shaking of the pole piece can be avoided.
In some examples, the side of the cutting mechanism 50 away from the limiting mechanism 60 and the output side of the limiting mechanism 60 are both provided with a guide plate 70 to support and limit the pole piece, so that the pole piece can move on a preset track, and further the pole piece is prevented from being damaged.
Referring to fig. 3, in some examples, the conveying device further includes a dust suction mechanism 80, and the dust suction mechanism 80 is configured to suck dust or other impurities existing on the conveying track of the pole piece.
Specifically, the dust suction mechanism 80 may be disposed on a side and/or an output side of the cutting mechanism 50 away from the limiting mechanism 60, and the dust suction mechanism 80 is configured to suck dust in the first channel 614.
The dust suction mechanism 80 may be a combination of a cover-shaped structure and a negative pressure adsorption structure, for example, the dust suction mechanism is installed at the cutting mechanism 50, the cover-shaped structure covers the cutting mechanism 50, the negative pressure adsorption structure pumps out the air in the cover-shaped structure, and the dust or other impurities at the cutting mechanism 50 are pumped out by the negative pressure adsorption effect.
Referring to fig. 7 and 8, the present invention further provides an example of a pole piece winding apparatus based on the pole piece conveying apparatus.
The pole piece winding equipment is used for winding the pole piece, and comprises the pole piece conveying device and a winding needle 10 in any one of the examples, and the winding needle 10 is used for winding the pole piece; the winding needle 10 is provided on the output side of the stopper mechanism 60.
After the pole piece is output from the limiting mechanism 60, the pole piece is wound on the winding needle 10, and a certain traction effect is generated on the pole piece through the winding needle 10, so that the pole piece is tensioned between the input side of the limiting mechanism 60 and the winding needle 10, and the transmission and winding of the pole piece are realized. Because the pole piece accomplishes the cutting after, restrict the ascending deformation of pole piece in thickness direction through first passageway 614 for the pole piece is difficult for appearing shaking by a wide margin in thickness direction and even the drift, and then can prevent that the pole piece from damaging or even scrapping, helps promoting the product quality of coiling.
In some examples, the pole piece winding apparatus comprises at least two pole piece transport devices.
The pole piece winding device can also comprise a diaphragm roller 12 for conveying the diaphragm 20 and a push roller 11 for pushing the anode diaphragm. The pole piece winding equipment can be used for producing the battery cell, and the pole piece is wound to form a preset shape to form the battery cell structure of the battery. The pole piece winding equipment can also be used for other processes requiring the pole piece conveying, cutting and winding processes. In some examples, at least one of the pole piece delivery devices is used to deliver the anode pole piece 40. In some examples, at least one of the pole piece conveyors is used to transport the cathode pole piece 30.
It is worth noting, because the utility model discloses an example of pole piece coiling equipment is based on above-mentioned pole piece conveyor's example, consequently, the utility model discloses whole technical scheme of the whole examples of above-mentioned pole piece conveyor is included in the example of pole piece coiling equipment, and the technological effect that reaches is also identical, no longer gives unnecessary details here.
The utility model discloses on the basis of above-mentioned pole piece coiling equipment, still provide a power battery system of processing's example. The power battery processing system comprises the pole piece winding device according to any one of the above examples.
Referring to fig. 1 to 8, in an example, the pole piece is transported from the feeding roller 62 to the winding pin 10, and the pole piece has a certain tensioning effect under the action of the feeding roller 62 and the winding pin 10. When the length of the pole piece reaches a preset range, cutting off the pole piece through a cutting mechanism 50; the cut pole piece continues to move towards the limiting mechanism 60, and in the moving process of the pole piece along the first channel 614 formed by the limiting mechanism 60, the first channel 614 has a limiting effect on the thickness direction of the pole piece, so that the pole piece cannot move along the thickness direction and can only move along the extending direction of the first channel 614, and the tail flick of the cut part of the pole piece is prevented, and the rejection of the pole piece caused by the tail flick is prevented. Guide plates 70 can be arranged on the input side of the cutting mechanism 50 and the output side of the limiting mechanism 60, and the pole pieces are guided and limited through the guide plates 70, so that the pole pieces are prevented from shaking in the thickness direction at corresponding positions. When the pole piece passes through the limiting mechanism 60, the deviation rectification baffle 615 on the first roller wheel 611 of the limiting mechanism 60 rectifies the pole piece, and the pole piece is prevented from shifting in the width direction. Through being used for pole piece coiling equipment with above-mentioned conveyor, can effectively promote the quality of carrying to the pole piece of rolling up needle 10, and then help promoting power battery product quality.
The above mentioned is only the preferred example of the present invention, and not to limit the patent scope of the present invention, all the equivalent structure changes made by the contents of the present invention specification and drawings are utilized under the inventive concept of the present invention, or directly/indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (21)
1. The pole piece conveying device is characterized by being used for conveying pole pieces to winding equipment; the pole piece conveying device comprises:
the cutting mechanism is used for cutting the pole piece; the cutting mechanism has an output side; and
the limiting mechanism is arranged on the output side of the cutting mechanism and is provided with an input side, an output side and a first channel extending from the input side of the limiting mechanism to the output side of the limiting mechanism;
the first channel is used for enabling the pole piece to move and flatten from the output side of the cutting mechanism to the output side of the limiting mechanism.
2. The pole piece conveying device according to claim 1, wherein the limiting mechanism has a first limiting surface and a second limiting surface which are arranged oppositely, and the first channel is formed between the first limiting surface and the second limiting surface.
3. The pole piece conveying device according to claim 2, wherein the limiting mechanism comprises a first clamping piece and a second clamping piece which are arranged oppositely, the first clamping piece is provided with the first limiting surface, and the second clamping piece is provided with the second limiting surface.
4. A pole piece transfer device as claimed in claim 3, wherein the first clamp comprises:
at least two first rollers which are arranged at intervals; and
the first conveying belt is arranged on the first roller wheels in a transmission mode, and the first conveying belt is provided with the first limiting face.
5. The pole piece transport device of claim 4, wherein the first clamp further comprises:
and the deviation rectifying baffle is arranged adjacent to the first channel so as to limit the side edge of the pole piece passing through the first channel.
6. The pole piece transfer device of claim 5, wherein the deflection baffle is disposed around the peripheral wall of the first roller, and the difference between the minimum peripheral diameter of the deflection baffle and the outer diameter of the first roller is greater than the thickness of the first belt.
7. The pole piece transport device of claim 5, wherein the deflection correcting stop is provided on the first roller remote from the cutting mechanism.
8. The pole piece delivery device of claim 7, further comprising:
the feeding roller wheel is arranged on one side of the cutting mechanism far away from the limiting mechanism; the number of the feeding rollers is at least two, and a second channel for the pole pieces to move is formed between the feeding rollers.
9. The pole piece transport apparatus of claim 8, wherein the cutting mechanism is disposed closer to the limiting mechanism than the feed roller.
10. The pole piece transport apparatus of claim 5 wherein the deflection correcting stop is provided on the first roller adjacent the cutting mechanism.
11. The pole piece transport apparatus of claim 4, further comprising a visual inspection mechanism for inspecting the pole piece.
12. The pole piece conveying device according to claim 11, wherein the first conveying belt is provided with a hollow hole;
the visual detection mechanism is arranged corresponding to the position of the hollow hole and used for detecting the pole piece through the hollow hole.
13. The pole piece conveying device according to claim 12, wherein the number of the through holes is plural, and the plural through holes are arranged at intervals.
14. The pole piece delivery device of claim 13, wherein the visual inspection mechanism is disposed on a side of the first clamping member away from the second clamping member;
when the visual detection mechanism detects the pole piece, the positions of at least two of the hollow holes correspond to the positions of the visual detection mechanism.
15. The pole piece transport device of claim 11, wherein the pole piece is a cathode pole piece.
16. A pole piece transfer device as claimed in any one of claims 3 to 15, wherein the second clamp comprises:
at least two second rollers which are arranged at intervals; and
and the second conveying belt is arranged on at least two second clamping pieces in a transmission manner, and the second conveying belt is provided with a second limiting surface.
17. A pole piece delivery device as claimed in any one of claims 1 to 15, further comprising:
the cutting mechanism is far away from one side of the limiting mechanism and/or the output side of the limiting mechanism is provided with the guide plate.
18. A pole piece transfer device as claimed in any one of claims 1 to 15, wherein the transfer device further comprises:
dust absorption mechanism, cutting mechanism keeps away from one side of stop gear and/or stop gear's output side is equipped with dust absorption mechanism, dust absorption mechanism is used for adsorbing dust on the pole piece.
19. A pole piece winding apparatus for winding a pole piece, the pole piece winding apparatus comprising:
a pole piece delivery device as claimed in any one of claims 1 to 18; and
the winding needle is used for winding the pole piece; the winding needle is arranged on the output side of the limiting mechanism.
20. The pole piece winding apparatus of claim 19 including at least two of said pole piece conveyors.
21. A power cell processing system, comprising a pole piece winding apparatus as claimed in any one of claims 19 or 20.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222949071.9U CN218402950U (en) | 2022-11-07 | 2022-11-07 | Pole piece conveying device, pole piece winding equipment and power battery processing system |
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| CN202222949071.9U CN218402950U (en) | 2022-11-07 | 2022-11-07 | Pole piece conveying device, pole piece winding equipment and power battery processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116730065A (en) * | 2023-07-05 | 2023-09-12 | 广东捷盟智能装备有限公司 | Unreeling mechanism for recycling lithium battery cells |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116730065A (en) * | 2023-07-05 | 2023-09-12 | 广东捷盟智能装备有限公司 | Unreeling mechanism for recycling lithium battery cells |
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