CN114472596B - Roller deflection deformation correction system and battery pole piece rolling equipment - Google Patents
Roller deflection deformation correction system and battery pole piece rolling equipment Download PDFInfo
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- CN114472596B CN114472596B CN202210099275.XA CN202210099275A CN114472596B CN 114472596 B CN114472596 B CN 114472596B CN 202210099275 A CN202210099275 A CN 202210099275A CN 114472596 B CN114472596 B CN 114472596B
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- 238000005096 rolling process Methods 0.000 title claims abstract description 30
- 238000012937 correction Methods 0.000 title claims abstract description 24
- 230000007246 mechanism Effects 0.000 claims abstract description 74
- 238000005452 bending Methods 0.000 claims abstract description 67
- 238000013000 roll bending Methods 0.000 claims description 29
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008602 contraction Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
- B21D1/02—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling by rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B30—PRESSES
- B30B—PRESSES IN GENERAL
- B30B15/00—Details of, or accessories for, presses; Auxiliary measures in connection with pressing
- B30B15/16—Control arrangements for fluid-driven presses
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
- H01M4/043—Processes of manufacture in general involving compressing or compaction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Control Of Metal Rolling (AREA)
- Bending Of Plates, Rods, And Pipes (AREA)
Abstract
The invention provides a roller deflection deformation correction system and battery pole piece rolling equipment. The deflection deformation correction system for the roller comprises a roller bending mechanism, a rack and the roller arranged on the rack, wherein the roller bending mechanism is suitable for being connected with the roller and exerting force on the roller to deform the roller, and the direction of the force exerted on the roller by the roller bending mechanism is the same as or opposite to the direction of the radial reaction force of a material to be rolled, which is born by the roller when the roller performs rolling operation. The correction system can correct deflection deformation of the roller through the force application of the roller bending mechanism in the force application direction of the roller, for example, the deflection deformation of the roller caused by the radial reaction force is corrected to a certain extent by adjusting the force application size of the roller bending mechanism, the problems of uneven thickness of the product and influence on the quality of the product caused by overlarge deflection deformation of the roller are avoided, and the service life of the roller can be prolonged to a certain extent.
Description
Technical Field
The invention relates to the technical field of lithium battery equipment, in particular to a roller deflection deformation correction system and battery pole piece rolling equipment.
Background
In rolling equipment such as battery pole piece rolling equipment, rollers are generally mounted on a rack through paired roller bearing blocks, the battery pole piece enters between the rotating rollers due to friction force and other pulling forces between the battery pole piece and the rollers, and rolling of the battery pole piece is achieved through extrusion force between the rollers.
In the rolling process, the part of the roller between the roller bearing blocks is generally subjected to the reactive force of the battery pole pieces, and the roller generates deflection deformation under the action of the reactive force, so that the thickness consistency of the battery pole pieces along the width direction is influenced, and the service performance of the battery pole pieces is influenced.
Disclosure of Invention
The invention aims to solve the problem of how to improve the thickness consistency of rolled products in the related technology to a certain extent.
In order to solve at least one of the above problems to at least some extent, the present invention provides a roll deflection correcting system, which comprises a roll bending mechanism, a frame and a roll arranged on the frame, wherein the roll bending mechanism is suitable for being connected with the roll and applying force to the roll so as to deform the roll, and the direction of the force applied by the roll bending mechanism to the roll is the same as or opposite to the direction of the radial reaction force of the material to be rolled, which the roll is subjected to when the roll is subjected to rolling operation.
Optionally, the roll bending mechanism is adapted to be connected to one axial end of the roll, and the direction in which the roll bending mechanism applies force to the roll is the same as the direction in which the corresponding roll is subjected to the radial reaction force.
Optionally, the roll deflection deformation correcting system comprises two rolls which are arranged up and down oppositely, the roll bending mechanism comprises two connecting pieces and a roll bending driving piece, the two connecting pieces are respectively arranged obliquely relative to the horizontal direction, one ends of the two connecting pieces are close to each other and are respectively hinged with the roll bending driving piece, the other ends of the two connecting pieces are far away from each other and are respectively hinged with the upper roll and the lower roll, and the oblique direction of the connecting pieces is consistent with the direction of the radial reaction force born by the rolls correspondingly connected with the connecting pieces;
the bending roller driving piece is suitable for respectively applying force through the two connecting pieces so as to deform the upper roller and the lower roller.
Optionally, the roll bending mechanism further includes two connecting seats, each connecting piece and corresponding roller are connected through one connecting seat, and the connecting seat is suitable for being hinged with the corresponding roller at a position between a first end and a second end in a horizontal direction, the first ends of the two connecting seats are respectively hinged with one ends, away from each other, of the two connecting pieces, and the second ends of the two connecting seats are hinged.
Optionally, one end of the bending roller driving piece far away from the connecting piece is hinged with the second ends of the two connecting seats respectively, or the bending roller driving piece is suitable for being connected with the frame.
Optionally, the roller bending mechanism further comprises a connecting rod, and two ends of the connecting rod are hinged with the second ends of the two connecting seats respectively.
Optionally, the bending roller driving piece is provided as a second telescopic cylinder, and the telescopic direction of the second telescopic cylinder is consistent with the horizontal direction.
Optionally, the second telescopic cylinder is a hydraulic cylinder or an electric cylinder.
Optionally, the bending mechanism further comprises an adjusting structure, wherein the adjusting structure is used for adjusting the distance between the hinged positions of the two ends of the connecting piece.
Optionally, the connecting element is provided as a third telescopic cylinder.
Optionally, the roller deflection deformation correction system comprises two rollers which are arranged up and down oppositely, the roller bending mechanism comprises two first telescopic cylinders, one ends of the two first telescopic cylinders are respectively hinged with the frame, the other ends of the two first telescopic cylinders are respectively hinged with the upper roller and the lower roller, and the expansion direction of the first telescopic cylinders is consistent with the direction of the radial reaction force born by the rollers which are correspondingly connected with the first telescopic cylinders. .
According to the roll deflection correction system, the bending mechanism is arranged, the direction of the force applied to the roll by the bending mechanism is the same as or opposite to the direction of the radial reaction force of the material to be rolled, which is applied to the roll by the bending mechanism when the corresponding roll is subjected to rolling operation, the roll is deformed by the force applied by the bending mechanism, the deflection deformation of the roll caused by the radial reaction force can be corrected to a certain extent, and the problems of uneven thickness of a product and influence on the quality of the product caused by overlarge deflection deformation of the roll are avoided; the setting of the force application direction of the roller bending mechanism can avoid the radial force in other directions caused by the included angle between the force application direction of the roller bending mechanism and the radial reaction force on the basis of correcting deflection deformation of the roller caused by the radial reaction force of the material to be rolled as much as possible, and can obtain relatively good correcting effect, thereby prolonging the service life of the roller to a certain extent.
In a second aspect, the invention provides a battery pole piece rolling device, which comprises the roller deflection deformation correction system in the first aspect.
The battery pole piece rolling equipment has all the beneficial effects of the roll deflection deformation correction system, and are not described in detail herein.
Drawings
FIG. 1 is a schematic view of a first telescopic cylinder of a roll deflection deformation correcting system in an embodiment of the present invention hinged with a frame and a roll, respectively;
FIG. 2 is a schematic view showing a structure in which a bending roller driving member is connected to two rollers through two connecting members, respectively, according to still another embodiment of the present invention;
FIG. 3 is a schematic diagram of a roller mechanism according to yet another embodiment of the present invention;
FIG. 4 is a schematic view of a structure in which a connecting member is connected to a corresponding roller through a connecting seat according to another embodiment of the present invention;
FIG. 5 is a schematic view illustrating a structure in which the connecting rods are hinged to the second ends of the two connecting seats respectively according to another embodiment of the present invention;
fig. 6 is a schematic diagram showing the forces of the rolls to roll the material to be rolled when the rolling operation is performed in the embodiment of the present invention.
Reference numerals illustrate:
the device comprises a 1-roller bending mechanism, a 11-connecting piece, a 12-roller bending driving piece, a 121-first telescopic cylinder, a 122-second telescopic cylinder, a 13-connecting seat, a 131-first end, a 132-second end, a 14-connecting rod, a 2-roller, a 3-rack and a 4-bearing seat.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, descriptions of the terms "embodiment," "one embodiment," "some embodiments," "illustratively," and "one embodiment" and the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or embodiment is included in at least one embodiment or implementation of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same examples or implementations. Furthermore, the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or implementations.
The terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. As such, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature.
The Z-axis in the drawing represents vertical, i.e., up-down position, and the positive direction of the Z-axis (i.e., the arrow of the Z-axis points) represents up, and the negative direction of the Z-axis (i.e., the direction opposite to the positive direction of the Z-axis) represents down; the X-axis in the drawing indicates a horizontal direction and is designated as a left-right position, and the positive direction of the X-axis (i.e., the arrow of the X-axis is directed) indicates a right side, and the negative direction of the X-axis (i.e., the direction opposite to the positive direction of the X-axis) indicates a left side; the Y-axis in the drawing indicates the front-back position, and the positive direction of the Y-axis (i.e., the arrow of the Y-axis is directed) indicates the front side, and the negative direction of the Y-axis (i.e., the direction opposite to the positive direction of the Y-axis) indicates the rear side; it should also be noted that the foregoing Z-axis, Y-axis, and X-axis are meant to be illustrative only and not indicative or implying that the apparatus or component in question must be oriented, configured or operated in a particular orientation, and therefore should not be construed as limiting the invention.
As shown in fig. 1 to 5, an embodiment of the present invention provides a roll deflection deformation correction system, which includes a roll bending mechanism 1, a frame 3, and a roll 2 disposed on the frame 3, wherein the roll bending mechanism 1 is adapted to be connected to the roll 2 and apply a force to the roll 2 to deform the roll 2, and the direction of the force applied by the roll bending mechanism 1 to the roll 2 is the same as or opposite to the direction of the radial reaction force of the material to be rolled applied by the roll 2 when the roll 2 performs the rolling operation.
As shown in fig. 1, it should be noted that the present invention generally includes two rollers 2 disposed opposite to each other, where the rollers 2 are respectively mounted on a stand 3, for example, each roller 2 is mounted on the stand 3 through a paired bearing block 4, and a specific mounting manner may be related technology, and an axial direction of the roller 2 is perpendicular to a ZY plane, that is, an axial direction of the roller 2 is consistent with an X-axis direction (X-axis direction is not indicated in the drawing).
As shown in fig. 4 and 6, taking the upper roller 2 as an example, when the rolling operation is performed, the rolling forming of the material to be rolled is realized by the extrusion of the roller 2, the acting force of the roller 2 to the material to be rolled includes tangential force T and radial force P, so that the roller 2 will receive tangential reaction force and radial reaction force of the material to be rolled, the radial reaction force of the roller 2 may reach more than 50 tons, for example 80 tons, and the radial reaction force will cause deflection deformation of the roller 2, thereby affecting the quality of rolled products such as battery pole pieces, for example, causing uneven thickness of the battery pole pieces.
The direction in which the roll bending mechanism 1 applies force to the roll 2 is the same as or opposite to the direction of the radial reaction force applied to the corresponding roll 2, and is specifically determined according to the position of the application point of the roll bending mechanism 1 on the roll 2, for example, when the application point of the application force is located at the axial end (outside the bearing seat 4) of the roll 2, the direction in which the application force is applied is the same as the direction of the radial reaction force applied to the corresponding roll 2, so that the middle position of the roll 2 can correct the deflection deformation caused by the radial reaction force to a certain extent, and the thickness uniformity of the rolled product is improved. This will be the case in the present specification to explain the content of the present invention.
In the process of correcting the deflection deformation of the roller 2, the roller bending mechanism 1 does not need to drive the roller 2 to move, and can apply force to the roller 2.
As shown in fig. 1, 4 and 6, specifically, taking the upper roller 2 as an example, when the force application point of the roller bending mechanism 1 is located at the outer side of the bearing seat 4, the roller bending mechanism 1 applies force to the upper roller 2 along the first direction, and the first direction and the conveying direction of the material to be rolled at the roller 2 (the conveying direction is from back to front) are set at a first preset included angle, and the first preset included angle should be smaller than 90 °. The first preset included angle is determined according to a first formula, wherein the first formula comprises:
wherein beta is the first predetermined angle, beta is as shown in FIG. 6Complementary angles, add>For the upper roll 2, the radial acting force P of the material to be rolled forms an angle with the vertical direction, H represents the thickness of the material to be rolled before rolling, H represents the target thickness of the material to be rolled (i.e., the thickness after rolling), and R represents the radius of the roll 2.
At this point the first direction is directed forward and upward and the angle beta with the direction of transport of the material to be rolled at the roll 2 is more nearly 90 deg. with respect to 0 deg., but it should not be understood that this is vertically upwards, the effect of which has been described above and will not be described in detail here.
In this way, by arranging the roller bending mechanism 1 and arranging the direction of the force applied by the roller bending mechanism 1 to the roller 2 to be the same or opposite to the direction of the radial reaction force of the material to be rolled received when the corresponding roller 2 performs rolling operation, the roller 2 can be deformed by the force applied by the roller bending mechanism 1, and the deformation can correct the deflection deformation of the roller 2 caused by the radial reaction force to a certain extent, so that the problem that the product thickness is uneven and the product quality is influenced due to the overlarge deflection deformation of the roller 2 is avoided; the setting of the force application direction of the roll bending mechanism 1 can avoid the radial force in other directions caused by the included angle between the force application direction of the roll bending mechanism 1 to the roll 2 and the radial reaction force on the basis of correcting the deflection deformation of the roll 2 caused by the radial reaction force of the material to be rolled as much as possible, and can obtain relatively good correcting effect, thereby prolonging the service life of the roll 2 to a certain extent.
As shown in fig. 1 and 2, in an alternative embodiment of the present invention, the roll bending mechanism 1 is adapted to be connected to one axial end of the roll 2, and the direction in which the roll bending mechanism 1 applies force to the roll 2 is the same as the direction in which the corresponding roll 2 receives a radial reaction force.
The number of the roller bending mechanisms 1 is generally at least two, and the two roller bending mechanisms 1 are respectively arranged at two axial ends of the roller 2, so that the stress at two ends of the roller 2 is more balanced and the stability is higher.
In this case, the rolling operation can be performed by making full use of the area between the housing (not shown) of the frame 3 (or the area between the chocks 4) of the roll 2, a large working width can be obtained in the axial direction of the roll 2, and a wide pole piece can be rolled.
As shown in fig. 1, in an alternative embodiment of the present invention, two rollers 2 are oppositely disposed along the up-down direction, the roller bending mechanism 1 includes two first telescopic cylinders 121, one ends of the two first telescopic cylinders 121 are respectively hinged with the frame 3, the other ends of the two first telescopic cylinders 121 are respectively hinged with the up-down two rollers 2, and the telescopic direction of the first telescopic cylinders 121 is consistent with the direction of the radial reaction force applied by the correspondingly connected rollers 2.
It should be understood that the directions of the radial reaction forces applied to the two opposing rolls 2 are different for the different rolls 2, and the direction of the application of force by the roll bending mechanism 1 is also different, that is, the directions of the application of force by the roll bending mechanism to the two rolls 2 are different, and therefore, the directions of expansion and contraction of the two first expansion and contraction cylinders 121 are different at this time.
As shown in fig. 1, two first telescopic cylinders 121 are located at the rear side of the roll 2 (i.e., at the opposite side of the Y axis), one ends of the two first telescopic cylinders 121 are close to each other and are hinged to the frame 3, respectively, the other ends of the two first telescopic cylinders 121 are far away from each other and are connected to the upper and lower rolls 2, respectively, the first direction corresponding to the first telescopic cylinder 121 located above is directed forward and upward, and the first direction corresponding to the first telescopic cylinder 121 located below is directed forward and downward, so as to apply force to the upper and lower rolls 2, respectively.
In this way, the roll 2 can be forced by the telescopic motion (the telescopic amount is almost 0) of the first telescopic cylinder 121, so that the roll 2 can correct the deflection deformation caused by the radial reaction force to a certain extent, and the reaction force of the roll 2 received by the first telescopic cylinder 121 is transferred to the frame 3, so that the structure is simple, and the practicability is strong.
As shown in fig. 2 to 5, unlike the manner in which the two ends of the first telescopic cylinder 121 are respectively connected to the frame 3 and the rolls 2 in fig. 1, in an alternative embodiment of the present invention, the roll bending mechanism 1 includes two connecting members 11 and a roll bending driving member 12, the two connecting members 11 are respectively disposed obliquely with respect to the horizontal direction, one ends of the two connecting members 11 are close to each other and are respectively hinged to the roll bending driving member 12, the other ends of the two connecting members 11 are far from each other and are respectively hinged to the upper and lower rolls 2, and the oblique direction of the connecting members 11 is consistent with the direction of the radial reaction force applied to the rolls 2 to which they are correspondingly connected;
the bending drive 12 is adapted to apply force via the two connecting members 11 to deform the upper and lower rolls 2, respectively.
As shown in fig. 2, the connecting piece 11 connected with the roller 2 located above is a first connecting piece, the connecting piece 11 connected with the roller 2 located below is a second connecting piece, then the included angles between the first connecting piece and the second connecting piece and the positive direction of the Y axis are the first preset included angles, one ends of the first connecting piece and the second connecting piece located in the opposite direction of the Y axis are hinged with the roller driving piece 12, when the roller driving piece 12 applies force to the first connecting piece and the second connecting piece, the first connecting piece applies force to the roller 2 located above, and the second connecting piece applies force to the roller 2 located below, so as to apply force to the two rollers 2 respectively.
In this way, the bending roller driving member 12 can apply force to the upper and lower rollers 2 through the two connecting members 11, so as to correct deflection deformation of the upper and lower rollers 2 at the same time; moreover, the deflection correction requirements for the upper roller 2 and the lower roller 2 can be realized by only one bending roller driving piece 12, the number requirements for the bending roller driving pieces 12 of the bending roller mechanism 1 can be reduced, and the force application adjustment is facilitated.
As shown in fig. 4, the roll bending mechanism 1 further includes two connection seats 13, each connection piece 11 and the corresponding roll 2 are connected by one connection seat 13, and the connection seat 13 is adapted to be hinged to the corresponding roll 2 at a position between a first end 131 and a second end 132 in the horizontal direction, the first ends 131 of the two connection seats 13 are respectively hinged to the ends of the two connection pieces 11 far from each other, and the second ends 132 of the two connection seats 13 are hinged.
Taking the example of the first connecting piece located above, the first connecting piece is no longer directly hinged to the roller 2 located above, but is hinged to the roller 2 located above by means of the connecting seat 13 located above. At this time, when the roll driving member 12 applies force to the first link, since the second ends 132 of the two link holders 13 are hinged, the upper link holder 13 applies a force to the upper roll 2, by which the deflection deformation of the upper roll 2 is corrected, it being understood that the direction of the force is substantially coincident with the tilting direction of the first link.
In this way, the bending driving member 12 transmits the force to the roller 2 through the connecting member 11 and the connecting seat 13, and the second ends 132 of the two connecting seats 13 are hinged, so that stability and reliability of force transmission can be ensured, compared with the arrangement mode that the connecting member 11 is directly hinged with the roller 2, the requirement on the installation positions of the connecting member 11 and the bending driving member 12 can be reduced, the connecting member 11 and the bending driving member 12 do not need to be arranged in a limited space, for example, the connection position of the connecting member 11 and the first end 131 of the connecting seat 13 can be arranged at a certain distance from the roller 2, and the connecting member is not limited to be necessarily close to the roller 2 and directly hinged with the roller 2, so that the space arrangement is convenient, and the installation and the maintenance are convenient.
As shown in fig. 4, the first end 131 of the connection block 13 is preferably positioned at the end of the roll 2 where the material to be rolled is fed in, and the second end 132 is preferably positioned at the end of the roll where the material to be rolled is fed out. In this way, the positioning of the roll-bending drive 12 is facilitated and the application of force to the two rolls 2, respectively, is facilitated.
Further, as shown in fig. 4, the ends of the roller driving members 12 away from the connecting members 11 are hinged to the second ends 132 of the two connecting seats 13, respectively.
Illustratively, the rear ends of the roller driving members 12 are respectively hinged to the adjacent ends of the two connecting members 11 through first pins, the front ends of the roller driving members 12 are respectively hinged to the second ends 132 of the two connecting seats 13 through second pins, and the roller driving members 12 perform telescopic movement in the front-rear direction.
In this way, the end of the roller driving member 12 far away from the connecting member 11 is hinged to the hinged positions of the second ends 132 of the two connecting seats 13, so that the whole roller mechanism 1 is not connected with the frame 3 of the rolling equipment, deformation of the frame 3 possibly caused when the roller mechanism 1 applies force can be avoided to a certain extent, and the reliability and the service life of the frame 3 can be improved to a certain extent.
Of course, as shown in fig. 1 and 2, the roller drive 12 may also be provided in connection with the frame 3, which will not be described in detail here.
As shown in fig. 5, in some embodiments, unlike the arrangement in which the second ends 132 of the two connection seats 13 are directly hinged, the roller bending mechanism 1 further includes a connecting rod 14, and two ends of the connecting rod 14 are hinged to the second ends 132 of the two connection seats 13, so as to realize the hinge connection of the second ends 132 of the two connection seats 13.
In this way, the articulation of the second ends 132 of adjacent connecting seats 13 can likewise be achieved, in a manner directly articulated with respect to the second ends 132 of the connecting seats 13, which reduces the structural constraints on the connecting seats 13 at such second ends 132, for example, the second ends 132 of the connecting seats 13 do not have to be brought close to each other and articulated, and which also reduces the weight of the connecting seats 13 to a certain extent.
In this case, when the bending mechanism 1 includes the link 11 and the bending driver 12, one end of the bending driver 12 near the link 14 may be hinged to the center of the link 14. Of course, the roller drive 12 may also be provided in connection with the frame 3. And will not be described in detail herein.
Further, the roll bending driver 12 is provided as a second telescopic cylinder 122, and the telescopic direction of the second telescopic cylinder 122 coincides with the horizontal direction.
In this way, the acting forces of the second telescopic cylinders 122 received by the two connecting pieces 11 can be equal as much as possible, so that the acting forces of the roller bending mechanism 1 received by the roller 2 are equal, and the stress consistency of the roller 2 is high. It should be understood that the roller drive 12 may be configured in other manners, such as by other telescopic movements, which are capable of applying force to the connecting element 11, respectively, and will not be described in detail herein.
Further, in order to adapt to rolled products of different specifications, the first preset angle may be adjustable.
Specifically, the bending mechanism 1 may further include an adjusting structure for adjusting the distance between the hinge positions of the both ends of the link 11.
For example, the adjustment structure is used to adjust the distance between a first position, where the connecting member 11 is hinged to the roll 2, and a second position, where the connecting member 11 is hinged to the roll driver 12.
Illustratively, the adjusting structure includes a plurality of pin holes disposed at adjacent ends of the two connecting members 11 and the first pin shaft described above, the pin holes on the connecting members 11 are distributed along the length direction of the connecting members 11, the pin holes of the two connecting members 11 are inserted through the first pin shaft to realize the hinge of the two connecting members 11, and the distance adjustment between the hinge positions is realized by replacing the connecting holes inserted through the first pin shaft (not shown in this scheme).
Illustratively, the connecting member 11 includes a member body and a movable member, adjacent ends of the two member bodies are hinged, a free end of the movable member is hinged to the connecting seat 13, the movable member is slidably connected to the member body in a first direction, and the adjustment structure is used for realizing adjustment of the relative positions of the member body and the movable member, for example, the adjustment structure includes a fastener and a slot provided in the member body, through which the fastener is threaded to the movable member, and the fastener abuts against an end face in a depth direction of the slot (not shown in this scheme), that is, the connecting member is provided in a telescopic structure.
Therefore, the attitude of the connecting piece 11 can be adjusted by adjusting the distance between the hinged positions at the two ends of the connecting piece 11, so that the included angle formed by the connecting piece 11 is adjusted, the adjustment of the force application direction of the connecting piece 11 to the roller 2 is realized, the included angle formed by the connecting piece 11 and the conveying direction of the material to be rolled can be flexibly adjusted according to actual rolling demands, and the deflection deformation of the roller 2 can be corrected in the rolling process of products with various specifications, so that the reliability is high and the practicability is strong.
Further, the connection 11 is provided as a third telescopic cylinder. In this way, the angle formed by the two connectors 11 can be adjusted by the extension and contraction of the third extension and contraction cylinder, so that the direction in which the connectors 11 apply force to the roller 2 can be adjusted.
In the above embodiment, the first telescopic cylinder 121, the second telescopic cylinder 122, and the third telescopic cylinder may be each provided as a hydraulic cylinder, or the first telescopic cylinder 121, the second telescopic cylinder 122, and the third telescopic cylinder may be each provided as an electric cylinder. The structure of each telescopic cylinder can be the same or different, and is determined according to actual requirements.
For example, each of the above-described telescopic cylinders may employ a stroke-controllable hydraulic cylinder or an electric cylinder, for example, a servo hydraulic cylinder or a servo electric cylinder. The hydraulic cylinder may be a single-rod hydraulic cylinder or a double-rod hydraulic cylinder, which is not limiting.
Therefore, the force application to the connecting seat 13 is realized by adopting a mature hydraulic cylinder or an electric cylinder, so that the replacement and the maintenance of the components are facilitated.
Further, the deflection deformation correcting system of the roller can further comprise a controller and a detecting component, the detecting component is used for detecting parameters such as H, H and R in the first formula, and the controller is respectively in communication connection with the detecting component and the roller bending mechanism 1, so that deflection deformation of the roller can be automatically corrected.
Yet another embodiment of the present invention provides a battery pole piece rolling apparatus comprising the roll deflection deformation correction system described above.
The battery pole piece rolling device comprises an upper roller 2, a lower roller 2 and a frame 3, wherein the rollers 2 are respectively arranged on the frame 3, and the outer sides of the frame 3 are respectively provided with a roller bending mechanism 1 of the roller deflection deformation correcting system along the axial two ends of the rollers 2, which are not described in detail herein.
The battery pole piece rolling equipment has all the beneficial effects of the roll deflection deformation correction system, and are not described in detail herein.
Although the present disclosure is described above, the scope of protection of the present disclosure is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the disclosure, and these changes and modifications will fall within the scope of the invention.
Claims (9)
1. The deflection deformation correction system for the roller is characterized by comprising a roller bending mechanism (1), a rack (3) and a roller (2) arranged on the rack (3), wherein the roller bending mechanism (1) is suitable for being connected with the roller (2) and exerting force on the roller (2) so as to deform the roller (2), and the direction of the force exerted by the roller bending mechanism (1) on the roller (2) is the same as the direction of the radial reaction force of a material to be rolled, which is born by the roller (2) when the roller (2) performs rolling operation; the two rollers (2) are oppositely arranged along the up-down direction;
the roller bending mechanism (1) is suitable for being connected with one axial end of the roller (2), the direction of force applied by the roller bending mechanism (1) to the roller (2) is the same as the direction of the corresponding radial reaction force applied by the roller (2), and the roller bending mechanism (1) is arranged at two axial ends of the roller (2);
the bending mechanism (1) comprises two connecting pieces (11) and a bending driving piece (12), wherein the two connecting pieces (11) are obliquely arranged relative to the horizontal direction respectively, one ends of the two connecting pieces (11) are close to each other and are hinged with the bending driving piece (12) respectively, the other ends of the two connecting pieces (11) are far away from each other and are hinged with the upper roller (2) and the lower roller (2) respectively, and the oblique direction of the connecting pieces (11) is consistent with the direction of the radial reaction force applied to the correspondingly connected rollers (2);
the bending roller driving piece (12) is suitable for respectively exerting force through the two connecting pieces (11) so as to deform the upper roller (2) and the lower roller (2);
the bending roller driving piece (12) is provided with a second telescopic cylinder (122), and the telescopic direction of the second telescopic cylinder (122) is consistent with the horizontal direction.
2. The roll deflection deformation correction system according to claim 1, characterized in that the roll bending mechanism (1) further comprises two connection blocks (13), each of the connection pieces (11) and the corresponding roll (2) being connected by one of the connection blocks (13), and the connection blocks (13) being adapted to hinge with the corresponding roll (2) at a position between a first end (131) and a second end (132) in the horizontal direction, the first ends (131) of the two connection blocks (13) being hinged with the ends of the two connection pieces (11) distant from each other, respectively, the second ends (132) of the two connection blocks (13) being hinged.
3. A roll deflection correction system according to claim 2, characterized in that the end of the roll drive (12) remote from the connection piece (11) is hinged to the second ends (132) of the two connection blocks (13), respectively, or that the roll drive (12) is adapted to be connected to the frame (3).
4. The roll deflection deformation correction system according to claim 2, characterized in that the roll bending mechanism (1) further comprises a connecting rod (14), both ends of the connecting rod (14) being hinged with the second ends (132) of the two connecting seats (13), respectively.
5. The roll deflection deformation correction system according to claim 1, characterized in that the second telescopic cylinder (122) is a hydraulic cylinder or an electric cylinder.
6. The roll deflection deformation correction system according to any one of claims 1 to 5, characterized in that the roll bending mechanism (1) further comprises an adjustment structure for effecting a distance adjustment between the hinge positions at both ends of the connecting piece (11).
7. The roll deflection deformation correction system according to claim 6, characterized in that the connecting piece (11) is provided as a third telescopic cylinder.
8. The deflection deformation correction system for the roller is characterized by comprising a roller bending mechanism (1), a rack (3) and a roller (2) arranged on the rack (3), wherein the roller bending mechanism (1) is suitable for being connected with the roller (2) and exerting force on the roller (2) so as to deform the roller (2), and the direction of the force exerted by the roller bending mechanism (1) on the roller (2) is the same as or opposite to the direction of the radial reaction force of a material to be rolled, which the roller (2) receives when the roller (2) performs rolling operation;
the two rollers (2) are oppositely arranged along the up-down direction;
the roller bending mechanism (1) is suitable for being connected with one axial end or an axial middle position of the roller (2); when the roller bending mechanism (1) is suitable for being connected with one axial end of the roller (2), the direction of the roller (2) applied by the roller bending mechanism (1) is the same as the direction of the corresponding radial reaction force applied by the roller (2), and the roller bending mechanism (1) is arranged at the two axial ends of the roller (2);
when the roller bending mechanism (1) is suitable for being connected with the axial middle position of the roller (2), the direction of the roller bending mechanism (1) for applying force to the roller (2) is opposite to the direction of the radial reaction force applied by the corresponding roller (2);
the roller bending mechanism (1) comprises two first telescopic cylinders (121), the two first telescopic cylinders (121) are respectively arranged obliquely relative to the horizontal direction, one ends of the two first telescopic cylinders (121) are respectively hinged to the frame (3), the other ends of the two first telescopic cylinders (121) are respectively hinged to the upper roller (2) and the lower roller (2), and the direction of radial reaction force applied to the rollers (2) in the telescopic directions of the first telescopic cylinders (121) is consistent with that of the corresponding connection of the telescopic directions of the first telescopic cylinders.
9. A battery pole piece rolling apparatus comprising the roll deflection deformation correction system according to any one of claims 1 to 7, or comprising the roll deflection deformation correction system according to claim 8.
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| CN202210099275.XA CN114472596B (en) | 2022-01-25 | 2022-01-25 | Roller deflection deformation correction system and battery pole piece rolling equipment |
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| CN202210099275.XA CN114472596B (en) | 2022-01-25 | 2022-01-25 | Roller deflection deformation correction system and battery pole piece rolling equipment |
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| CN114472596B true CN114472596B (en) | 2024-04-09 |
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| CN114975887B (en) * | 2022-06-27 | 2024-05-10 | 蔚来汽车科技(安徽)有限公司 | Processing method for dry electrode film and processing apparatus for dry electrode film |
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| CN114472596A (en) | 2022-05-13 |
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