Stripping device and separation unit

Abstract

The utility model discloses a stripping device and a separation unit, the stripping device is provided with a mounting area for accommodating a composite plate, the composite plate comprises a cathode plate and a starting sheet deposited on the side surface of the cathode plate in the thickness direction, and the stripping device comprises a fixing piece, at least part of the fixing parts are arranged corresponding to the two side parts of the mounting area in the set direction, the fixing parts are detachably connected with the two side parts of the starting sheet, and the stripping device is used for stripping the starting sheet from the cathode plate according to the sequence from the two side parts of the starting sheet in the set direction to the middle part of the starting sheet, the setting direction is perpendicular to the thickness direction of the cathode plate. When the stripping device disclosed by the utility model is used for stripping the starting sheet, the stripping force borne by the starting sheet in the stripping process is smaller, the deformation of the starting sheet is small, the starting sheet is not easy to crack, the sheet forming rate of the starting sheet is higher, the flatness is better, and the stripping success rate of the starting sheet is high.

Description

Technical Field

[0001] The utility model relates to the technical field of non-ferrous metallurgy, and more specifically, to a stripping device and a separation unit. Background Art

[0002] At present, in electrowinning or electrolytic nickel, due to the very large adhesion force between nickel starter sheets and cathode plates, how to improve the success rate of stripping nickel starter sheets has always been a difficult problem in the industry, and there is no good solution. Summary of the Utility Model

[0003] The utility model aims to at least solve one of the technical problems existing in the prior art. For this reason, an object of the utility model is to provide a stripping device with a high success rate of stripping starter sheets.

[0004] Another object of the utility model is to provide a separation unit with the above-mentioned stripping device.

[0005] According to the stripping device of the embodiment of the utility model, there is an installation area for accommodating a composite plate. The composite plate includes a cathode plate and a starter sheet deposited on the side surface of the cathode plate in the thickness direction. The stripping device includes a fixing member, at least part of the fixing member is arranged on both sides of the installation area in a set direction, and the fixing member is detachably connected to both sides of the starter sheet. The stripping device is used to strip the starter sheet from the cathode plate in the order from both sides of the starter sheet in the set direction to the middle of the starter sheet, wherein the set direction is perpendicular to the thickness direction of the cathode plate.

[0006] According to the stripping device of the embodiment of the utility model, the stripping device is used to strip the starter sheet from the cathode plate in the order from both sides of the starter sheet in the set direction to the middle of the starter sheet. Since the stripping device only needs to strip the starter sheet from both sides of the starter sheet to the middle of the starter sheet, the movement amplitude of the stripping device is smaller, and the torque of the stripping device is smaller. In this way, it is beneficial to reduce the wear of the stripping device, improve the service life of the stripping device, reduce the use cost of the stripping device, reduce the vibration impact that the stripping device may generate, thereby reducing the vibration of the stripping device and reducing the failure rate of the stripping device, and improving the stability of the stripping device; at the same time, the stripping force borne by the starter sheet during the stripping process is smaller, the deformation of the starter sheet is small, and the starter sheet is not easily torn, which is beneficial to improve the sheet forming rate and flatness of the starter sheet and improve the success rate of stripping the starter sheet.

[0007] In addition, the stripping device according to the above embodiment of the utility model may further have the following additional technical features:

[0008] According to some embodiments of the present utility model, the set direction is the second direction, one end of the cathode plate in the first direction is connected with a conductive rod, and the first direction and the second direction are perpendicular to each other.

[0009] According to some embodiments of the present utility model, the peeling device further includes a rotating member, the fixing member is arranged on the rotating member, and the rotating member is used to drive the fixing member to rotate along the rotation axis so that the fixing member moves away from the installation area. Wherein, the rotation axis of the rotating member is perpendicular to the thickness direction of the cathode plate and the set direction, and the rotation axis is located on one side of the middle part of the rotating member close to the installation area.

[0010] According to some embodiments of the present utility model, at least four rotating members are provided. Among them, two rotating members are arranged on one side in the thickness direction of the cathode plate and are symmetrically arranged in sequence along the set direction, and the other two rotating members are arranged on the other side in the thickness direction of the cathode plate and are symmetrically arranged in sequence along the set direction.

[0011] According to some embodiments of the present utility model, the peeling device further includes a stopper, the stopper includes a first part and a second part, and the first part and the second part are used to be respectively arranged on both sides in the thickness direction of the cathode plate and are used to limit the circumferential edge of the cathode plate in the thickness direction.

[0012] According to some embodiments of the present utility model, the cathode plate is provided with a clamping edge strip, the clamping edge strip is used to cover the circumferential edge of the cathode plate, and at least part of the stopper is used to limit the clamping edge strip in the thickness direction. In the thickness direction, the distance between the first part and the second part is not less than the size of the clamping edge strip.

[0013] The separation unit according to the embodiment of the present utility model includes a pre-opening device and a peeling device according to the embodiment of the present utility model; the pre-opening device includes a vibration unit, and the vibration unit is used to vibrate the side surface of the composite plate in the thickness direction; the peeling device is used to peel the starting sheet vibrated by the vibration unit.

[0014] According to some embodiments of the present utility model, the pre-opening device includes a vibration unit and a fixing unit, the vibration unit is arranged on both sides of the fixing unit in the set direction, the fixing unit is used to fix the middle part of the composite plate, and the vibration unit is used to vibrate both side parts of the composite plate in the set direction in the state where the fixing unit fixes the middle part of the composite plate.

[0015] According to some embodiments of the present utility model, the vibration unit located on one side of the composite plate in the thickness direction includes a first vibration part, and the vibration unit located on the other side of the composite plate in the thickness direction includes a second vibration part. The projections of the first vibration part and the second vibration part in the thickness direction are staggered.

[0016] According to some embodiments of the present utility model, the vibration frequency of the vibration unit is f, f≥10Hz, and the vibration amplitude H of the vibration unit, H≤5mm.

[0017] The additional aspects and advantages of the present utility model will be partly given in the following description, partly will become obvious from the following description, or will be understood through the practice of the present utility model. Description of the Drawings

[0018] The above and / or additional aspects and advantages of the present utility model will become obvious and easy to understand from the description of the embodiments in conjunction with the following drawings, where:

[0019] Figure 1 is a schematic structural diagram of a peeling device according to an embodiment of the present utility model;

[0020] Figure 2 is Figure 1 a partial enlarged view of part S in;

[0021] Figure 3 is a schematic structural diagram of a separation unit according to an embodiment of the present utility model;

[0022] Figure 4 is Figure 3 the sectional view taken along line A-A in;

[0023] Figure 5 is a side view of a pre-opening device according to an embodiment of the present utility model.

[0024] Reference Numerals:

[0025] Separation unit 1000;

[0026] Peeling device 100;

[0027] Fixing member 101; Rotating member 102; Rotation axis 1021;

[0028] Blocking member 103; First part 1031; Second part 1032;

[0029] Pre-opening device 200; Vibration unit 201; First vibration part 2011;

[0030] Second vibration part 2012;

[0031] Composite plate 300;

[0032] Cathode plate 301; Starting sheet 302; Conductive bar 303; Clamping strip 304. Specific embodiments

[0033] Embodiments of the present invention will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0034] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

[0035] In the description of the present invention, the "first feature" and "second feature" may include one or more of such features. The meaning of "a plurality" is two or more. The first feature being "above" or "below" the second feature may include the first and second features being in direct contact, or may include the first and second features not being in direct contact but being in contact through additional features therebetween. The first feature being "above", "over" and "on" the second feature includes the first feature being directly above and obliquely above the second feature, or merely indicating that the first feature has a higher horizontal height than the second feature.

[0036] The peeling device 100 according to the first aspect embodiment of the present invention will be described below with reference to the drawings.

[0037] Refer to Figures 1-3 As shown, the peeling device 100 according to the first aspect embodiment of the present invention may have an installation area for accommodating the composite plate 300. The composite plate 300 includes a cathode plate 301 and a starting sheet 302 deposited on the side surface of the cathode plate 301 in the thickness direction. The peeling device 100 includes a fixing member 101. At least part of the fixing member 101 is disposed on both sides of the installation area in a set direction, and the fixing member 101 is detachably connected to both sides of the starting sheet 302. The peeling device 100 is used to peel the starting sheet 302 from the cathode plate 301 in the order from both sides of the starting sheet 302 in the set direction to the middle of the starting sheet 302, where the set direction is perpendicular to the thickness direction of the cathode plate 301.

[0038] Specifically, the starter sheet 302 is formed on the side surface of the cathode plate 301 in the thickness direction during the electro-deposition process of the cathode plate 301. The material of the cathode plate 301 can be stainless steel, titanium, etc., and the material of the starter sheet 302 can be nickel, copper, zinc, etc. After the starter sheet 302 is peeled off from the cathode plate 301, the cathode plate 301 can continue to be used as the cathode plate 301, and the starter sheet 302 will be used as a substrate to electrochemically purify the metal of the same material as the starter sheet 302.

[0039] The fixing member 101 is detachably connected to both sides of the starter sheet 302 so that after the peeling device 100 peels the starter sheet 302 off the cathode plate 301, the starter sheet 302 can be separated from the fixing member 101. The fixing member 101 can be a vacuum suction member or a magnetic suction member. For example, the fixing member 101 can be a vacuum chuck, and the fixing member 101 is vacuum adsorbed on the surface of the starter sheet 302. When the vacuum degree in the vacuum chuck decreases, the fixing member 101 can be separated from the starter sheet 302. For example, the magnetic suction member can be magnetically adsorbed to the starter sheet 302 but not magnetically adsorbed to the cathode plate 301, so that it can be fixed to the starter sheet 302 and peel the starter sheet 302 off the cathode plate 301. When the magnetism of the magnetic suction member weakens, the starter sheet 302 can be separated from the magnetic suction member.

[0040] During the electro-deposition process, the cathode plate 301 is usually suspended. One end of the cathode plate 301 in the first direction (for example, the first direction can be the up-down direction) is usually connected with a conductive rod 303. The cathode plate 301 can be fixed and suspended on the conductive device through the conductive rod 303, playing a role in conducting electricity and supporting. The other end of the cathode plate 301 in the first direction is immersed in the liquid containing the metal to be deposited. Therefore, generally, in the direction from one end in the first direction to the other end in the first direction, the thickness of the starter sheet 302 increases, but in the second direction, the thickness of the starter sheet 302 is relatively uniform, and the first direction is perpendicular to the second direction.

[0041] Exemplarily, the set direction can be the second direction, that is, the peeling device 100 of the embodiment of the present application is used to peel the starter sheet 302 from the cathode plate 301 in the order from the two side parts of the starter sheet 302 in the second direction to the middle part of the starter sheet 302. The thickness of the starter sheet 302 at each place on the peeling path is relatively uniform. Therefore, when peeling, the starter sheet 302 is not easily torn, which is beneficial to obtaining a complete starter sheet 302 and reducing the peeling difficulty.

[0042] Exemplarily, the set direction can also be the first direction, and the peeling device 100 is used to peel the starter sheet 302 from the cathode plate 301 in the order from the two side parts of the starter sheet 302 in the first direction to the middle part of the starter sheet 302.

[0043] The stripping device 100 is used to strip the starter sheet 302 from the cathode plate 301 in the order from the two side portions of the starter sheet 302 in the set direction to the middle portion of the starter sheet 302. Herein, the stripping device 100 can first strip a part of the starter sheet 302 in the order from one side portion of the starter sheet 302 in the set direction to the middle portion of the starter sheet 302, and then strip another part of the starter sheet 302 in the order from the other side portion of the starter sheet 302 in the set direction to the middle portion of the starter sheet 302. Alternatively, the stripping device 100 can strip the starter sheet 302 from the cathode sheet simultaneously from the two side portions of the starter sheet 302 in the set direction to the middle portion of the starter sheet 302.

[0044] Generally, both sides of the cathode plate 301 in the thickness direction are provided with the starter sheets 302. Therefore, fixing members 101 are provided on both sides of the installation area in the thickness direction, so that the starter sheets 302 on both sides of the cathode plate 301 in the thickness direction can be stripped simultaneously, which is beneficial to fast and efficient stripping.

[0045] According to the stripping device 100 of the embodiment of the present utility model, the stripping device 100 is used to strip the starter sheet 302 from the cathode plate 301 in the order from the two side portions of the starter sheet 302 in the set direction to the middle portion of the starter sheet 302. Since the stripping device 100 only needs to strip the starter sheet 302 from the two side portions of the starter sheet 302 to the middle portion of the starter sheet 302, therefore, the movement amplitude of the stripping device 100 is smaller, the torque of the stripping device 100 is smaller. In this way, it is beneficial to reduce the wear of the stripping device 100, improve the service life of the stripping device 100, reduce the use cost of the stripping device 100, reduce the vibration impact that the stripping device 100 may generate, thereby reducing the vibration of the stripping device 100 and reducing the failure rate of the stripping device 100, and improving the stability of the stripping device 100; at the same time, the stripping force borne by the starter sheet 302 during the stripping process is smaller, the deformation of the starter sheet 302 is small, and the starter sheet 302 is not easily torn, which is beneficial to improving the sheet forming rate and flatness of the starter sheet 302 and improving the stripping success rate of the starter sheet 302.

[0046] According to some embodiments of the present utility model, reference can be made to Figure 1 The stripping device 100 further includes a rotating member 102, the fixing member 101 is arranged on the rotating member 102, and the rotating member 102 is used to drive the fixing member 101 to rotate along the rotation axis 1021 so that the fixing member 101 moves away from the installation area. Wherein, the rotation axis 1021 of the rotating member 102 is perpendicular to the thickness direction and the set direction of the cathode plate 301, and the rotation axis 1021 is located on one side of the middle portion of the rotating member 102 close to the installation area.

[0047] Herein, the rotating member 102 is a rigid member. For example, the rotating member 102 can be a rigid plate member, or a rigid rod member, etc.

[0048] As shown in Figure 1 Figure 1 , along the set direction, a rotating member 102 may be provided with a plurality of fixing members 101, so as to increase the connection area between the stripping device 100 and the starting sheet 302 and increase the forming rate of the starting sheet 302. In some other embodiments, a rotating member 102 may also be provided with only one fixing member 101, and the fixing member 101 is arranged close to the edge of the installation area. One side of the rotating member 102 close to the middle of the installation area along the set direction may be connected with a driving assembly capable of outputting rotational motion, so that the driving assembly can drive the rotating member 102 to rotate around the rotation axis 1021.

[0049] The rotation axis 1021 of the rotating member 102 is located on one side of the rotating member 102 close to the middle of the installation area. Thus, when the rotating member 102 rotates around the rotation axis 1021, the starting sheet 302 far from the middle of the installation area can be first peeled off from the cathode plate 301, and the starting sheet 302 close to the middle of the installation area can be then peeled off from the cathode plate 301, so as to realize peeling the starting sheet 302 from the cathode plate 301 in the order from the two side parts of the starting sheet 302 in the set direction to the middle of the starting sheet 302.

[0050] According to some embodiments of the present invention, as shown in Figure 1 Figure 1 , at least four rotating members 102 are provided. Among them, two rotating members 102 are arranged on one side in the thickness direction of the cathode plate 301 and are symmetrically arranged in sequence along the set direction, and the other two rotating members 102 are arranged on the other side in the thickness direction of the cathode plate 301 and are symmetrically arranged in sequence along the set direction.

[0051] For example, when the set direction is the second direction, the two rotating members 102 located on one side in the thickness direction of the cathode plate 301 are arranged in sequence along the second direction and are symmetrically arranged with respect to the central axis of the cathode plate 301 extending along the first direction. The two rotating members 102 located on the other side in the thickness direction of the cathode plate 301 are arranged in sequence along the second direction and are symmetrically arranged with respect to the central axis of the cathode plate 301 extending along the first direction; or when the set direction is the first direction, the two rotating members 102 located on one side in the thickness direction of the cathode plate 301 are arranged in sequence along the first direction and are symmetrically arranged with respect to the central axis of the cathode plate 301 extending along the second direction. The two rotating members 102 located on the other side in the thickness direction of the cathode plate 301 are arranged in sequence along the first direction and are symmetrically arranged with respect to the central axis of the cathode plate 301 extending along the second direction. Among them, the first direction and the second direction are perpendicular to each other.

[0052] In this way, the stripping device 100 can simultaneously strip the starter sheets 302 on both sides of the cathode plate 301 in the thickness direction. The rotating members 102 on both sides in the thickness direction simultaneously apply forces to the composite plate 300 to strip the starter sheets 302, which is beneficial to reducing the deformation degree of the cathode plate 301 and increasing the service life of the cathode plate 301.

[0053] In some embodiments, the rotating members 102 located on both sides of the cathode plate 301 in the thickness direction can be symmetrically arranged with respect to the cathode plate 301, and the two rotating members 102 arranged in sequence along the set direction can be asymmetrically arranged. In this way, the stripping device 100 can also simultaneously strip the starter sheets 302 on both sides of the cathode plate 301 in the thickness direction. The rotating members 102 on both sides in the thickness direction simultaneously apply forces to the composite plate 300 to strip the starter sheets 302, which is beneficial to reducing the deformation degree of the cathode plate 301 and increasing the service life of the cathode plate 301.

[0054] In some other embodiments, one or more driving member groups can be provided on one side of the cathode plate 301 in the thickness direction and one side in the set direction. The driving member group includes a plurality of driving members, the plurality of driving members are arranged in sequence along the set direction and adjacent driving members are connected to each other through a flexible member, and the plurality of rotating groups can be arranged in sequence along the set direction and / or arranged in sequence along the direction of the rotation axis 1021. When stripping the starter sheet 302 from the cathode plate 301, an oblique force can be applied to the driving member. The direction of the oblique force is between the direction located in the set direction and facing the middle of the cathode plate 301 and the direction along the thickness direction and away from the cathode plate 301. The oblique force is applied to the plurality of driving members in sequence according to the order from the two side portions of the starter sheet 302 in the set direction to the middle of the starter sheet 302, so as to strip the starter sheet 302 from the cathode plate 301 in the order from the two side portions of the starter sheet 302 in the set direction to the middle of the starter sheet 302.

[0055] According to some embodiments of the present invention, reference can be made to Figure 1 and Figure 2 , the stripping device 100 further includes a stopper 103. The stopper 103 includes a first part 1031 and a second part 1032. The first part 1031 and the second part 1032 are used to be respectively arranged on both sides of the cathode plate 301 in the thickness direction and are used to limit the circumferential edge of the cathode plate 301 in the thickness direction.

[0056] In an embodiment where the set direction is the first direction, the stopper 103 can be provided on both sides of the cathode plate 301 along the first direction, or can be provided on both sides of the cathode plate 301 along the second direction, and at least part of the stopper 103 is disposed close to one side of the cathode plate 301 along the first direction, and at least part of the stopper 103 is disposed close to the other side of the cathode plate 301 along the first direction. In an embodiment where the set direction is the second direction, the stopper 103 can be provided on both sides of the cathode plate 301 along the second direction; or can be provided on both sides of the cathode plate 301 along the first direction, and at least part of the stopper 103 is disposed close to one side of the cathode plate 301 along the second direction, and at least part of the stopper 103 is disposed close to the other side of the cathode plate 301 along the second direction. Alternatively, the stopper 103 is provided on at least three sides of the cathode plate 301.

[0057] Here, by providing the stopper 103 to limit the circumferential edge of the cathode plate 301, it is possible to avoid the bending deformation of the cathode plate 301 caused by the difference in the peeling force on both sides due to the inconsistent adhesion force between the two sides of the cathode plate 301 and the starting sheet 302, reduce the deformation amount of the cathode plate 301, and improve the service life of the cathode plate 301.

[0058] According to some embodiments of the present invention, the cathode plate 301 is provided with a clamping strip 304. The clamping strip 304 is used to cover the circumferential edge of the cathode plate 301, and at least part of the stopper 103 is used to limit the clamping strip 304 in the thickness direction. In the thickness direction, the distance W2 between the first part 1031 and the second part 1032 is not less than the size W1 of the clamping strip 304.

[0059] The clamping strip 304 covers the circumferential edge of the cathode plate 301 so that metal does not deposit on the circumferential edge of the cathode plate 301, thereby preventing the circumferential edges of the starting sheets 302 on both sides of the cathode plate 301 in the thickness direction from being connected to each other and increasing the peeling difficulty. The stopper 103 is used to limit the clamping strip 304, that is, the stopper 103 is used to limit the cathode plate 301, which can avoid the bending deformation of the cathode plate 301 caused by the difference in the peeling force on both sides due to the inconsistent adhesion force between the two sides of the cathode plate 301 and the starting sheet 302, reduce the deformation amount of the cathode plate 301, and improve the service life of the cathode plate 301.

[0060] The distance W2 between the first part 1031 and the second part 1032 is not less than the size W1 of the clamping strip 304. When the distance W2 between the first part 1031 and the second part 1032 is equal to the size W1 of the clamping strip 304, when the cathode plate 301 is deformed, the stopper 103 will squeeze the clamping strip 304. At this time, the limiting effect of the stopper 103 on the cathode plate 301 is better. When the distance W2 between the first part 1031 and the second part 1032 is greater than the size W1 of the clamping strip 304, at this time, when the cathode plate 301 undergoes a small deformation, the clamping strip 304 will not contact the stopper 103, and the stopper 103 will not squeeze the clamping strip 304. In this way, it is beneficial to reduce the degree of extrusion of the clamping strip 304 and reduce the possibility of damage or damage to the clamping strip 304 due to extrusion, which is beneficial to extending the service life of the clamping strip 304.

[0061] For example, the difference between the distance W2 between the first part 1031 and the second part 1032 and the size W1 of the clamping strip 304 is 0 to 10 mm. In this way, the stopper 103 can play a better limiting role with the cathode plate 301. In the initial position, the clamping strip 304 will not be squeezed, which is beneficial to reducing the degree of extrusion damage of the clamping strip 304.

[0062] The second aspect of the present utility model also proposes a separating unit 1000.

[0063] As Figures 3-5 shown, the separating unit 1000 according to the embodiment of the second aspect of the present utility model includes a pre-opening device 200 and a peeling device 100 according to the embodiment of the first aspect of the present utility model; the pre-opening device 200 includes a vibration unit 201, and the vibration unit 201 is used to vibrate the side surface of the composite plate 300 in the thickness direction; the peeling device 100 is used to peel the starting sheet 302 vibrated by the vibration unit 201.

[0064] Specifically, the vibration unit 201 is used to perform multi-point vibration on the composite plate 300. In this way, the starting sheet 302 is more likely to become loose under the vibration of the vibration unit 201. The vibration unit 201 vibrates the composite plate 300 to generate a pre-opening between the starting sheet 302 and the cathode plate 301.

[0065] According to the second aspect embodiment of the present utility model, the separation unit 1000 is provided with a vibration unit 201. After the composite plate 300 is vibrated by the vibration unit 201, the stripping device 100 then strips the starting sheet 302 from the cathode plate 301. In this way, the stripping force applied by the stripping device 100 to the starting sheet 302 can be reduced, the success rate of stripping can be effectively improved, the impact during stripping can be effectively avoided, the vibration of the equipment can be reduced, the failure rate can be lowered, and the stability of the equipment can be improved; the vibration unit 201 and the stripping device 100 are arranged at two different stations, the vibration action and the stripping action are independent of each other, which is easy to implement and easy to form a fully automatic flow production operation without manual intervention and has a high degree of automation.

[0066] By using the above-mentioned stripping device 100 to strip the starting sheet 302, the movement amplitude of the stripping device 100 is smaller and the torque of the stripping device 100 is smaller. In this way, it is beneficial to reduce the wear of the stripping device 100, improve the service life of the stripping device 100, reduce the use cost of the stripping device 100, reduce the vibration impact that the stripping device 100 may generate, and thus reduce the failure rate of the stripping device 100; at the same time, the starting sheet 302 is less stressed during the stripping process, and the starting sheet 302 is not easily torn, which is beneficial to improve the forming rate and flatness of the starting sheet 302. By arranging the vibration unit 201 to vibrate the composite plate 300 and arranging the stripping device 100 to strip the starting sheet 302, it is beneficial to improve the automation degree of the production of the starting sheet 302, easy to realize a fully automatic continuous production operation, with a low failure rate and good stability.

[0067] According to some embodiments of the present utility model, reference may be made to Figure 3 , the pre-opening device 200 includes a vibration unit 201 and a fixing unit. The vibration unit 201 is arranged on both sides of the fixing unit in a set direction. The fixing unit is used to fix the middle part of the composite plate 300, and the vibration unit 201 is used to vibrate both side parts of the composite plate 300 in the set direction while the fixing unit fixes the middle part of the composite plate 300.

[0068] That is to say, when the vibration unit 201 vibrates the composite plate 300, the fixing unit fixes the middle part of the composite plate 300. In this way, the middle part of the starting sheet 302 can maintain the original adhered state with the cathode plate 301 as much as possible, the uncontrollable dropping of the starting sheet 302 during vibration can be effectively avoided, the controllability of the material can be improved, and further the operation stability of the separation unit 1000 can be improved.

[0069] Exemplarily, in an embodiment where the stripping device 100 is used to strip the starting sheet 302 from the cathode plate 301 in the order from the two side portions of the starting sheet 302 in the first direction to the middle portion of the starting sheet 302, the vibration unit 201 is used to vibrate the two side portions of the composite plate 300 in the first direction while the fixing unit fixes the middle portion of the composite plate 300. In an embodiment where the stripping device 100 is used to strip the starting sheet 302 from the cathode plate 301 in the order from the two side portions of the starting sheet 302 in the second direction to the middle portion of the starting sheet 302, the vibration unit 201 is used to vibrate the two side portions of the composite plate 300 in the second direction while the fixing unit fixes the middle portion of the composite plate 300.

[0070] In this way, the stripping device 100 can make the starting sheet 302 gradually tear from the pre-opening from both sides to the middle, achieving a progressive stripping effect, effectively improving the success rate of stripping, effectively avoiding the impact during stripping, reducing equipment vibration and lowering the failure rate, and improving equipment stability.

[0071] The area where all the fixing units are located is the first area Ⅰ, and the area where all the vibration units 201 located on one side of the fixing unit in the set direction is the second area Ⅱ. The first area and the second area are spaced apart by a set distance in the set direction, where the set distance is greater than zero.

[0072] In this way, when the vibration unit 201 vibrates the composite plate 300, the part of the cathode plate 301 corresponding to the first area Ⅰ will have a certain amount of deflection and elastic rebound relative to the initial position of the part of the cathode plate 301 corresponding to the first area Ⅰ, so as to achieve bending, misalignment movement and loosening between the cathode plate 301 and the starting sheet 302, and achieve the pre-opening effect.

[0073] According to some embodiments of the present invention, reference can be made to Figure 5 , the vibration unit 201 located on one side of the composite plate 300 in the thickness direction includes a first vibration portion 2011, and the vibration unit 201 located on the other side of the composite plate 300 in the thickness direction includes a second vibration portion 2012. The projections of the first vibration portion 2011 and the second vibration portion 2012 in the thickness direction are staggered.

[0074] That is to say, when the vibration units 201 located on both sides of the composite plate 300 in the thickness direction vibrate the composite plate 300, the area of the composite plate 300 corresponding to the first vibration portion 2011 is the first vibration area, and the area of the composite plate 300 corresponding to the second vibration portion 2012 is the second vibration area. The projections of the first vibration area and the second vibration area in the thickness direction are staggered.

[0075] In this way, it is possible to effectively avoid the situation where the acting forces exerted on the composite plate 300 by the first rapping parts 2011 and the second rapping parts 2012 on both sides cancel each other out, improving the rapping efficiency. At the same time, for the adjacent first rapping parts 2011 and second rapping parts 2012, the rapping of one of the first rapping parts 2011 and the second rapping parts 2012 is equivalent to using the other of the first rapping parts 2011 and the second rapping parts 2012 as a fixed point, causing a certain degree of yielding deflection and elastic rebound of the cathode plate 301 relative to its initial position, thereby realizing bending, dislocation movement, and loosening between the two metals of the cathode plate 301 and the starter sheet 302, achieving the pre-opening effect.

[0076] According to some embodiments of the present invention, the rapping frequency of the rapping unit 201 is f, where f ≥ 10 Hz, and the vibration amplitude H of the rapping unit 201 satisfies H ≤ 5 mm.

[0077] For example, the rapping frequency of the rapping unit 201 can be 10 Hz, 20 Hz, 30 Hz, 40 Hz, 50 Hz, or any value between any two of these values, etc. The rapping amplitude of the rapping unit 201 can be 5 mm, 4 mm, 3 mm, 2 mm, 1 mm, or any value between any two of these values, etc.

[0078] High-frequency rapping can effectively improve the rapping efficiency and the productivity of the equipment. Low-amplitude rapping also avoids permanent deformation of the cathode plate 301 due to large vibrations, effectively increasing the service life of the cathode plate 301.

[0079] The third aspect of the present invention also proposes a separation method.

[0080] According to the separation method of the embodiments of the third aspect of the present invention, based on the separation unit 1000 of the second aspect of the present invention, it includes:

[0081] Fix the middle part of the composite plate 300 in the thickness direction and rap the side parts of the composite plate 300 in a set direction.

[0082] In the order from the two side parts of the starter sheet 302 in the set direction to the middle part of the starter sheet 302, peel the starter sheet 302 rapped by the rapping unit 201 from the cathode plate 301, where the set direction is perpendicular to the thickness direction.

[0083] According to the separation method of the embodiments of the present invention, after the composite plate 300 is rapped, then peel the starter sheet 302 from the cathode plate 301. In this way, the starter sheet 302 can be gradually torn from the pre-opened area from both sides to the middle, achieving a progressive peeling effect, which can reduce the peeling force applied to the starter sheet 302. The starter sheet 302 is not easily torn, which is beneficial to improving the sheet forming rate and flatness of the starter sheet 302, effectively increasing the success rate of peeling.

[0084] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0085] In the description of this specification, the descriptions referring to terms such as "embodiment", "specific embodiment", "example", etc. mean that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0086] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and purposes of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A stripping device, characterized in that: The stripping device (100) has an installation area for accommodating a composite plate (300), wherein the composite plate (300) comprises a cathode plate (301) and a starting electrode sheet (302) deposited on the side of the cathode plate (301) in the thickness direction, and the stripping device (100) comprises a fixing member (101), at least part of the fixing member (101) is arranged corresponding to the two side portions of the installation area in a set direction, and the fixing member (101) is detachably connected to the two side portions of the starting electrode sheet (302), and the stripping device (100) is used to strip the starting electrode sheet (302) from the cathode plate (301) in the order from the two side portions of the starting electrode sheet (302) in the set direction to the middle of the starting electrode sheet (302), wherein the set direction is perpendicular to the thickness direction of the cathode plate (301).

2. The stripping device according to claim 1, characterized in that: The set direction is the second direction, one end of the cathode plate (301) along the first direction is connected to a conductive rod (303), and the first direction and the second direction are perpendicular to each other.

3. The stripping device according to claim 1, characterized in that: It also includes a rotating member (102), the fixed member (101) is arranged on the rotating member (102), and the rotating member (102) is used to drive the fixed member (101) to rotate along the rotation axis (1021) so that the fixed member (101) moves away from the installation area, wherein the rotation axis (1021) of the rotating member (102) is perpendicular to the thickness direction of the cathode plate (301) and the set direction, and the rotation axis (1021) is located on one side of the rotating member (102) close to the middle of the installation area.

4. The stripping device according to claim 3, characterized in that: At least four rotating members (102) are provided, wherein two rotating members (102) are provided on one side of the cathode plate (301) in the thickness direction and are arranged symmetrically in sequence along the set direction, and the other two rotating members (102) are provided on the other side of the cathode plate (301) in the thickness direction and are arranged symmetrically in sequence along the set direction.

5. The stripping device according to claim 1, characterized in that: The stripping device (100) further comprises a stopper (103), wherein the stopper (103) comprises a first portion (1031) and a second portion (1032), wherein the first portion (1031) and the second portion (1032) are respectively arranged on two sides of the cathode plate (301) in the thickness direction and are used to limit the circumferential edge of the cathode plate (301) in the thickness direction.

6. The stripping device according to claim 5, characterized in that: The cathode plate (301) is provided with a clamping strip (304), and the clamping strip (304) is used to cover the circumferential edge of the cathode plate (301). At least part of the blocking member (103) is used to limit the clamping strip (304) in the thickness direction. In the thickness direction, the spacing W2 between the first part (1031) and the second part (1032) is not less than the size W1 of the clamping strip (304).

7. A separation unit, characterized in that: It comprises a pre-opening device (200) and a stripping device (100) according to any one of claims 1 to 6; the pre-opening device (200) comprises a rapping unit (201), and the rapping unit (201) is used to rap the side surface of the composite plate (300) in the thickness direction; the stripping device (100) is used to strip the starting pole piece (302) rapped by the rapping unit (201).

8. The separation unit according to claim 7, characterized in that: The pre-opening device (200) comprises a rapping unit (201) and a fixing unit, wherein the rapping units (201) are arranged on both sides of the fixing unit in a set direction, and the fixing unit is used to fix the middle part of the composite plate (300). The rapping unit (201) is used to rap both sides of the composite plate (300) in the set direction when the fixing unit fixes the middle part of the composite plate (300).

9. The separation unit according to claim 8, characterized in that: The rapping unit (201) located on one side of the composite plate (300) in the thickness direction includes a first rapping part (2011), and the rapping unit (201) located on the other side of the composite plate (300) in the thickness direction includes a second rapping part (2012), and the projections of the first rapping part (2011) and the second rapping part (2012) in the thickness direction are staggered.

10. The separation unit according to any one of claims 7 to 9, characterized in that: The rapping frequency of the rapping unit (201) is f, where f≥10 Hz, and the vibration amplitude of the rapping unit (201) is H, where H≤5 mm.

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