Diaphragm roll separating device

Abstract

The utility model provides a diaphragm roll separating device, and relates to the technical field of diaphragm production. The diaphragm roll separating device comprises a body and an extrusion mechanism, the body comprises a first supporting piece and a second supporting piece which are arranged in a spaced mode in the preset direction, and the first supporting piece is used for containing a to-be-separated diaphragm roll; and the extrusion mechanism comprises a driving assembly and an extrusion assembly, the driving assembly is arranged on the second supporting piece and connected with the extrusion assembly, and the driving assembly is used for driving the extrusion assembly to move in the preset direction so that the extrusion assembly can abut against and extrude the winding drum of the diaphragm roll. When the diaphragm roll separating device is used, the diaphragm roll is placed on the first supporting piece, the squeezing assembly is driven by the driving assembly to move in the preset direction so that the squeezing assembly can abut against and squeeze a winding drum of the diaphragm roll till the winding drum is pushed out of the diaphragm, and therefore separation of the diaphragm and the winding drum is completed. In the process, the diaphragm does not need to be cut and stripped layer by layer, so that the separation efficiency is higher.

Description

Technical Field

[0001] This application relates to the field of diaphragm production technology, and in particular to a diaphragm roll separation device. Background Technology

[0002] The information disclosed in this background section is intended only to enhance the understanding of the general background of this disclosure and should not be construed as an admission or in any way implying that the information constitutes prior art known to those skilled in the art.

[0003] During diaphragm production, the diaphragm is typically wound around the outer periphery of a roll to form a diaphragm roll, facilitating shipment. When defective diaphragm rolls are produced, the diaphragm needs to be separated from the roll and then reprocessed for recycling. However, currently, the separation of diaphragm rolls is done manually by hand-operated with a utility knife, cutting the diaphragm layer by layer. This process is time-consuming and labor-intensive, resulting in low separation efficiency. Utility Model Content

[0004] In view of this, the purpose of this application is to provide a diaphragm roll separation device, which aims to solve the technical problem of low separation efficiency of diaphragm rolls.

[0005] To achieve the above objectives, the technical solution adopted in this application is as follows:

[0006] Embodiments of this application provide a diaphragm roll separation device, comprising:

[0007] The body includes a first support member and a second support member arranged at intervals along a preset direction, wherein the first support member is used to place the diaphragm roll to be separated;

[0008] The extrusion mechanism includes a drive assembly and an extrusion assembly. The drive assembly is disposed on the second support member and connected to the extrusion assembly. The drive assembly is used to drive the extrusion assembly to move along the preset direction so that the extrusion assembly abuts against and extrudes the roll of the diaphragm.

[0009] In one embodiment, the extrusion assembly includes a connector, an adapter, and an extruder. The connector is connected between the drive assembly and the adapter. A portion of the extruder is slidably connected to the adapter along a preset direction so that when the extruder abuts against the roll, it can slide a preset distance relative to the adapter along the preset direction.

[0010] In one embodiment, the extrusion member includes a connecting part, an extrusion part, and a first positioning part. The extrusion part is connected between the connecting part and the first positioning part. The connecting part is slidably connected to the adapter along the preset direction. The extrusion part is used to abut against and extrude the roll. The first positioning part is used to pass through the through hole of the roll.

[0011] In one embodiment, the adapter is provided with a first connecting hole and a second connecting hole that are connected to each other to form a stepped structure. The connecting part passes through the first connecting hole and the second connecting hole. The extrusion member also includes a limiting part connected to the connecting part. The limiting part is located in the first connecting hole. The adapter can abut against the extrusion part when the extrusion part abuts against the roll.

[0012] In one embodiment, the orthographic projections of the first connecting hole, the second connecting hole, the limiting part, and the connecting part onto a plane perpendicular to the preset direction are all circular. The diameter of the connecting part is d1, the diameter of the second connecting hole is d2, the diameter of the limiting part is d3, and the diameter of the first connecting hole is d4, satisfying: d1 < d2 < d3 < d4.

[0013] In one embodiment, the following condition is satisfied: 1mm≤(d2-d1) / 2≤3mm.

[0014] In one embodiment, at least a portion of the cross-sectional area of ​​the first positioning portion gradually decreases from the extrusion portion toward the first support member along the preset direction.

[0015] In one embodiment, the drive assembly includes a driver and a drive shaft, the driver being disposed on the second support and connected to the drive shaft, and at least one of the drive shaft and the adapter being detachably connected to the connector.

[0016] In one embodiment, the main body further includes a frame and a collection box. The collection box, the first support member, and the second support member are all disposed on the frame. The first support member is provided with a discharge hole for the drum to pass through and fall into the collection box.

[0017] In one embodiment, the first support member is provided with a second positioning part, which is used to position the diaphragm roll when placing it.

[0018] The beneficial effects of this application are as follows:

[0019] When using the diaphragm roll separation device provided in this application, the diaphragm roll is placed on the first support member, and the extrusion assembly is driven by the drive assembly to move along a preset direction so that the extrusion assembly abuts against and extrudes the roll of the diaphragm roll until the roll is pushed out of the diaphragm, thereby completing the separation of the diaphragm from the roll. In this process, there is no need to cut and peel the diaphragm layer by layer, thus achieving higher separation efficiency.

[0020] To make the above-mentioned objectives, features and advantages of this application more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this application, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of this application and should not be regarded as a limitation of the scope. For those skilled in the art, other related drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 A schematic diagram of the diaphragm roll separation device in one embodiment of this application is shown;

[0023] Figure 2 A schematic diagram of the diaphragm roll structure in one embodiment of this application is shown;

[0024] Figure 3 A schematic diagram of the extrusion assembly in one embodiment of this application is shown;

[0025] Figure 4 It shows Figure 3 Schematic diagram of the cross-sectional structure at point AA;

[0026] Figure 5 It shows Figure 4 A magnified structural diagram of region B in the middle.

[0027] Explanation of key component symbols:

[0028] 1000-Diaphragm roll separation device; 100-Main body; 110-First support member; 120-Second support member; 130-Frame; 140-Collection box; 200-Extrusion mechanism; 210-Drive assembly; 211-Driver; 212-Transmission shaft; 220-Extrusion assembly; 221-Connector; 222-Adapter; 2221-First connecting hole; 2222-Second connecting hole; 223-Extrusion member; 2231-Connecting part; 2232-Extrusion part; 2233-First positioning part; 2234-Limiting part; 2000-Diaphragm roll; 300-Diaphragm; 400-Roll; 410-Through hole; X-Preset direction. Detailed Implementation

[0029] The embodiments of this application are described in detail below. Examples of the embodiments are shown in the accompanying drawings, wherein 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 accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0030] In the description of this application, the terms "center", "longitudinal", "lateral", "length", "width", "height", "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 accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application.

[0031] Furthermore, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first and second features are in direct contact, or that they are in indirect contact through an intermediate medium. Moreover, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0032] In the description of this application, the terms "first," "second," etc., are used to distinguish different objects and should not be construed as indicating or implying a specific order or hierarchy, or implicitly specifying the number of technical features indicated. Therefore, a feature marked "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0033] In the description of this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0034] In the description of this application, the term "and / or" indicates that three relationships can exist. For example, A and / or B can represent three cases: A alone, A and B simultaneously, and B alone. Additionally, the character " / " generally indicates that the preceding and following objects have an "or" relationship.

[0035] In the description of this application, "parallel" includes not only the case of absolute parallelism, but also the case of approximate parallelism as commonly understood in engineering; similarly, "perpendicular" also includes not only the case of absolute perpendicularity, but also the case of approximate perpendicularity as commonly understood in engineering. For example, if the angle between two directions is 80° to 90°, the two directions can be considered perpendicular; if the angle between two directions is 0° to 10°, the two directions can be considered parallel.

[0036] The separator is a key component of a battery, located between the positive and negative electrodes, serving the dual functions of physical isolation and ion conduction. During separator production, it is typically wound around the outer periphery of a roll to form a separator roll, facilitating shipment.

[0037] When defective diaphragm rolls are produced, the diaphragm needs to be separated from the roll, and then the diaphragm needs to be reprocessed for recycling. However, currently, the separation of diaphragm rolls is done manually by using a utility knife to cut the diaphragm layer by layer. This process is time-consuming and labor-intensive, resulting in low separation efficiency. Furthermore, using a utility knife can easily damage the outer periphery of the roll, making it difficult to recycle; the blade of the utility knife is a consumable part and needs frequent replacement, increasing operating costs; and the use of a utility knife poses a risk of hand injuries, resulting in low safety.

[0038] like Figure 1 As shown, in order to solve the above-mentioned technical problems, an embodiment of this application provides a diaphragm roll separation device 1000, which relates to the field of diaphragm production technology, for separating the diaphragm 300 and the roll 400 in the diaphragm roll 2000. Figure 2 As shown, it should be noted that the diaphragm roll 2000 includes a roll 400 and a diaphragm 300 wound around the outer periphery of the roll 400, and the roll 400 has a through hole 410.

[0039] like Figure 1 As shown, the diaphragm roll separation device 1000 provided in this embodiment includes: a body 100 and a compression mechanism 200.

[0040] The body 100 includes a first support member 110 and a second support member 120 arranged at intervals along a preset direction X. The first support member 110 is used to place the diaphragm roll 2000 to be separated. The extrusion mechanism 200 includes a drive assembly 210 and an extrusion assembly 220. The drive assembly 210 is disposed on the second support member 120 and connected to the extrusion assembly 220. The drive assembly 210 is used to drive the extrusion assembly 220 to move along the preset direction X so that the extrusion assembly 220 abuts against and extrudes the roll 400 of the diaphragm roll 2000.

[0041] It is understood that when using the diaphragm roll separation device 1000 provided in this embodiment, the diaphragm roll 2000 is placed on the first support member 110, and the extrusion assembly 220 is driven by the drive assembly 210 to move along a preset direction X, so that the extrusion assembly 220 abuts against and extrudes the roll 400 of the diaphragm roll 2000 until the roll 400 is pushed out from the diaphragm 300, thereby completing the separation of the diaphragm 300 and the roll 400. In this process, there is no need to cut and peel the diaphragm 300 layer by layer, thus achieving higher separation efficiency. At the same time, it is less likely to damage the outer periphery of the roll 400, making the roll 400 easier to recycle and reducing the recycling cost of the roll 400; there is no need to use blades, thus reducing operating costs and improving safety.

[0042] like Figure 1 As shown, in one embodiment, the extrusion assembly 220 includes a connector 221, an adapter 222, and an extruder 223. The connector 221 is connected between the drive assembly 210 and the adapter 222. A portion of the extruder 223 is slidably connected to the adapter 222 along a preset direction X, so that when the extruder 223 abuts against the roll 400, it can slide a preset distance relative to the adapter 222 along the preset direction X. That is, when the extruder 223 abuts against the roll 400, it can move a certain distance along the preset direction X, leaving a certain degree of freedom to play a buffering role. This can effectively improve the success rate of the extruder 223 aligning with the roll 400, thereby reducing the possibility of damage to the extruder 223 and the roll 400.

[0043] like Figure 3 and Figure 4 As shown, the extruder 223 further includes a connecting part 2231, an extrusion part 2232, and a first positioning part 2233. The extrusion part 2232 is connected between the connecting part 2231 and the first positioning part 2233. The connecting part 2231 and the adapter 222 are slidably connected along a preset direction X. The extrusion part 2232 is used to abut against and extrude the roll 400. The first positioning part 2233 is used to pass through the through hole 410 of the roll 400 to limit the diaphragm roll 2000 from shifting during the separation process, and at the same time realize the positioning of the roll 400 to improve the success rate of the extruder 223 aligning with the roll 400.

[0044] like Figure 4 As shown, the adapter 222 is further provided with a first connecting hole 2221 and a second connecting hole 2222 that are connected to form a stepped structure. The connecting part 2231 passes through the first connecting hole 2221 and the second connecting hole 2222. The extrusion member 223 also includes a limiting part 2234 connected to the connecting part 2231. The limiting part 2234 is located in the first connecting hole 2221. The adapter 222 can abut against the extrusion part 2232 when the extrusion part 2232 abuts against the roll 400.

[0045] It is understandable that during the process of the adapter 222 abutting against the extrusion part 2232, the extrusion part 223 slides a preset distance relative to the adapter 222. This preset distance provides the extrusion part 223 with a certain degree of freedom and plays a buffering role, which can effectively improve the success rate of the extrusion part 223 aligning with the roll 400.

[0046] Furthermore, the extrusion assembly 220 also includes an elastic element located within the first connecting hole 2221 and connected between the connecting portion 2231 and the adapter 222. This elastic element is used to reset the extrusion member 223 to a state where the adapter 222 and the extrusion portion 2232 are in contact when no separation operation is performed, facilitating the next separation operation. Exemplarily, the elastic element can be a spring, sheet metal, or other element capable of storing elastic potential energy; no specific limitations are imposed here.

[0047] like Figure 4 and Figure 5 As shown, further, the orthographic projections of the first connecting hole 2221, the second connecting hole 2222, the limiting part 2234, and the connecting part 2231 on a plane perpendicular to the preset direction X are all circular. The diameter of the connecting part 2231 is d1, the diameter of the second connecting hole 2222 is d2, the diameter of the limiting part 2234 is d3, and the diameter of the first connecting hole 2221 is d4, satisfying: d1 < d2 < d3 < d4.

[0048] It should be noted that "the orthographic projection shape of the first connecting hole 2221, the second connecting hole 2222, the limiting part 2234 and the connecting part 2231 on the plane perpendicular to the preset direction X is all circular" can be understood as the shape of the first connecting hole 2221, the second connecting hole 2222, the limiting part 2234 and the connecting part 2231 being cylindrical.

[0049] It is understandable that, since d1 < d2 < d3 < d4, when the extruder 223 comes into contact with the drum 400, it can slide a preset distance relative to the adapter 222 along the preset direction X. That is, when the extruder 223 comes into contact with the drum 400, it can move a certain distance along the preset direction X, leaving a certain degree of freedom to play a buffering role, thereby effectively improving the success rate of the extruder 223 aligning with the drum 400.

[0050] Of course, for the above embodiment, a slider can also be provided on the extruder 223 and a guide rail that slides with the slider can be provided on the adapter 222. At the same time, limit blocks can be provided at both ends of the slider in the length direction. This also allows the extruder 223 to slide a preset distance relative to the adapter 222 in the preset direction X when it comes into contact with the roll 400. Here, no specific restrictions are placed on the way the extruder 223 and the adapter 222 slide.

[0051] like Figure 5 As shown, it further satisfies: 1mm≤(d2-d1) / 2≤3mm.

[0052] It should be noted that (d2-d1) / 2 can be understood as the distance from the outer periphery of the connecting part 2231 to the wall of the second connecting hole 2222, which is the gap between the connecting part 2231 and the wall of the second connecting hole 2222.

[0053] For example, (d2-d1) / 2 can be any value from 1mm, 1.1mm, 1.2mm, 1.25mm, 1.5mm, 1.55mm, 1.62mm, 1.7mm, 1.8mm, 1.9mm, 2mm, 2.2mm, 2.3mm, 2.5mm, 2.7mm, 2.8mm, 2.9mm, 3mm or any value from a range of two or more, without any specific limitation.

[0054] It is understandable that by controlling (d2-d1) / 2 within the range of 1mm to 3mm, not only can the extruder 223 slide a preset distance relative to the adapter 222 along the preset direction X when it comes into contact with the drum 400, but it also makes the extruder 223 and the adapter 222 have high stability after assembly, reducing the possibility of the extruder 223 shaking relative to the adapter 222.

[0055] like Figure 3 and Figure 4 As shown, further, the cross-sectional area of ​​at least a portion of the first positioning portion 2233 gradually decreases from the extrusion portion 2232 toward the first support member 110 along a preset direction X.

[0056] It should be noted that "cross-sectional area" can be understood as the area of ​​the cross-section intercepted by a plane perpendicular to the preset direction X in the first positioning part 2233. "The cross-sectional area of ​​at least a portion of the first positioning part 2233 gradually decreases from the extrusion part 2232 to the first support member 110 along the preset direction X" means that: it can be that the cross-sectional area of ​​a portion of the first positioning part 2233 gradually decreases from the extrusion part 2232 to the first support member 110 along the preset direction X, or it can be that the cross-sectional area of ​​the entire first positioning part 2233 gradually decreases from the extrusion part 2232 to the first support member 110 along the preset direction X.

[0057] It is understandable that, since the cross-sectional area of ​​at least part of the first positioning part 2233 gradually decreases from the extrusion part 2232 to the first support member 110 along the preset direction X, the positioning of the roll 400 can be better achieved, thereby improving the success rate of aligning the extrusion member 223 with the roll 400.

[0058] like Figure 1 As shown, the drive assembly 210 further includes a driver 211 and a drive shaft 212. The driver 211 is disposed on the second support 120 and connected to the drive shaft 212. At least one of the drive shaft 212 and the adapter 222 is detachably connected to the connector 221.

[0059] For example, the driver 211 can be a device capable of outputting linear motion, such as a hydraulic cylinder, pneumatic cylinder, electric pneumatic cylinder, or linear motor, without specific limitations. The detachable connection can be a threaded connection, a snap-fit ​​connection, a quick-release connection, etc., without specific limitations.

[0060] It is understandable that, since at least one of the drive shaft 212 and the adapter 222 is detachably connected to the connector 221, that is, the drive shaft 212 and / or the adapter 222 is detachably connected to the connector 221, it is convenient to replace the corresponding model of the extrusion piece 223 for adaptation when the model of the drum 400 changes.

[0061] like Figure 1 As shown, in one embodiment, the main body 100 also includes a frame 130 and a collection box 140. The collection box 140, the first support member 110 and the second support member 120 are all disposed on the frame 130. The first support member 110 is provided with a discharge hole for the drum 400 to pass through and fall into the collection box 140.

[0062] Understandably, the roll 400, which is squeezed by the extrusion assembly 220 and detached from the diaphragm 300, falls into the collection box 140 through the discharge hole to complete the collection, which facilitates the storage and transportation of the roll 400.

[0063] In one embodiment, a second positioning part is provided on the first support member 110. The first positioning part 2233 is used to position the diaphragm roll 2000 when placing it, so as to reduce the possibility that the relative position error between the diaphragm roll 2000 and the extrusion assembly 220 may cause the extrusion assembly 220 to be difficult to align with the roll 400.

[0064] For example, the second positioning part can be an indicator pattern drawn on the first support member 110. The operator places the diaphragm roll 2000 according to the position of the indicator pattern to achieve positioning of the diaphragm roll 2000. Of course, the second positioning part can also be a groove formed on the first support member 110, with the groove facing the extrusion assembly 220. The operator places the diaphragm roll 2000 in the groove to achieve positioning of the diaphragm roll 2000.

[0065] In summary, when using the diaphragm roll separation device 1000 provided in this embodiment, the diaphragm roll 2000 is placed on the second positioning part of the first support member 110, and the driver 211 is started, so that the driver 211 drives the connecting member 221 to move along the preset direction X through the transmission shaft 212, so that the first positioning part 2233 passes through the through hole 410 of the roll 400, and the pressing part 2232 abuts against the roll 400. As the driver 211 continues to drive until the pressing part 223 slides a preset distance relative to the adapter 222 along the preset direction X, at which point the adapter 222 abuts against the pressing part 2232, and then the pressing part 2232 presses the roll 400 until the roll 400 is pushed out from the diaphragm 300, thereby completing the separation of the diaphragm 300 and the roll 400. The separated roll 400 falls into the collection box 140 through the discharge hole.

[0066] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0067] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A diaphragm roll separating device, characterized by The utility model relates to a membrane separating device, including: A body (100) comprising a first support (110) and a second support (120) arranged at intervals along a preset direction (X), the first support (110) is used for placing the membrane roll (2000) to be separated; A pressing mechanism (200) comprising a driving assembly (210) and a pressing assembly (220), the driving assembly (210) is arranged on the second support (120) and is connected with the pressing assembly (220), the driving assembly (210) is used for driving the pressing assembly (220) to move along the preset direction (X) to make the pressing assembly (220) abut and press the reel (400) of the membrane roll (2000).

2. The diaphragm roll separating device according to claim 1, characterized in that The pressing assembly (220) comprises a connecting piece (221), an adapter (222) and a pressing piece (223), the connecting piece (221) is connected between the driving assembly (210) and the adapter (222), and a part of the pressing piece (223) is slidably connected with the adapter (222) along the preset direction (X) to enable the pressing piece (223) to slide a preset distance relative to the adapter (222) along the preset direction (X) when the pressing piece (223) abuts against the reel (400).

3. The diaphragm roll separating device according to claim 2, characterized in that The pressing piece (223) comprises a connecting part (2231), a pressing part (2232) and a first positioning part (2233), the pressing part (2232) is connected between the connecting part (2231) and the first positioning part (2233), the connecting part (2231) is slidably connected with the adapter (222) along the preset direction (X), the pressing part (2232) is used for abutting against and pressing the reel (400), and the first positioning part (2233) is used for being arranged in a through hole (410) of the reel (400).

4. The diaphragm roll separating device according to claim 3, characterized in that A first connecting hole (2221) and a second connecting hole (2222) are arranged on the adapter (222) to form a stepped structure, the connecting part (2231) is arranged in the first connecting hole (2221) and the second connecting hole (2222), the pressing piece (223) further comprises a limiting part (2234) connected with the connecting part (2231), the limiting part (2234) is located in the first connecting hole (2221), and the adapter (222) can abut against the pressing part (2232) when the pressing part (2232) abuts against the reel (400).

5. The diaphragm roll separating device according to claim 4, characterized in that The first connecting hole (2221), the second connecting hole (2222), the limiting part (2234) and the connecting part (2231) are all circular in shape in the orthogonal projection on the plane perpendicular to the preset direction (X), the diameter of the connecting part (2231) is d1, the diameter of the second connecting hole (2222) is d2, the diameter of the limiting part (2234) is d3, and the diameter of the first connecting hole (2221) is d4, and d1 < d2 < d3 < d4 is satisfied.

6. The diaphragm roll separating device according to claim 5, characterized in that Satisfy: 1mm≤(d2-d1) / 2≤3mm.

7. The septum roll separating device of claim 3, wherein, At least part of the first positioning portion (2233) gradually reduces in cross-sectional area along the preset direction (X) from the extrusion portion (2232) to the first support (110).

8. The septum roll separating device of claim 2, wherein, The driving assembly (210) comprises a driver (211) and a transmission shaft (212), the driver (211) is arranged on the second support (120) and connected with the transmission shaft (212), and at least one of the transmission shaft (212) and the adapter (222) is detachably connected with the connecting piece (221).

9. The diaphragm roll separating device according to any one of claims 1 to 8, characterized in that The body (100) further comprises a rack (130) and a collection box (140), the collection box (140), the first support (110) and the second support (120) are arranged on the rack (130), and the first support (110) is provided with a blanking hole for the winding drum (400) to pass through and fall into the collection box (140).

10. The diaphragm roll separating device according to any one of claims 1 to 8, characterized in that The first support (110) is provided with a second positioning portion for positioning the position of the diaphragm roll (2000) when the diaphragm roll (2000) is placed.

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