Magnetic bar assembly, electrode pole piece rolling and die cutting equipment and electrode pole piece coating equipment

Abstract

The utility model discloses a magnetic bar assembly, electrode pole piece rolling and die cutting equipment and electrode pole piece coating equipment, and relates to the technical field of batteries, the magnetic bar assembly comprises a support, a passing roller, a magnetic bar, a scraper, a rodless cylinder and a storage assembly, and the driving end of the rodless cylinder is connected with the scraper; the storage assembly is connected with the driving end of the rodless air cylinder, and the position of the storage assembly corresponds to the position of the scraper. The rodless air cylinder can drive the scraping plate to reciprocate on the magnetic bar and drive the storage assembly to move along with the scraping plate so that the storage assembly can collect adsorbates scraped off by the scraping plate. The utility model provides a magnetic bar assembly, electrode pole piece rolling die cutting equipment comprising the magnetic bar assembly, and electrode pole piece coating equipment comprising the magnetic bar assembly, which can automatically clean a magnetic bar on line, effectively reduce the shutdown cleaning time, further save manpower required for cleaning the magnetic bar, and eliminate foil material cost waste caused by belt breakage due to cleaning of the magnetic bar.

Description

Technical Field

[0001] The utility model relates to the technical field of batteries, and in particular to a magnetic rod assembly, an electrode pole piece rolling and die-cutting device, and an electrode pole piece coating device. Background Art

[0002] As battery materials become more diverse, their production processes become more complex, and the risk of quality failure increases, leading to higher quality management requirements. Among the main links where foreign matter is introduced into equipment and materials, the magnetic foreign matter content index has become one of the most important indicators for measuring battery-grade materials. For example, equipment parts and tools that come into contact with materials may rust, or their inherent materials may wear out. Equipment parts and tools that are not in direct contact with materials may have dust adhering to them and floating into the materials due to airflow in the workshop. Depending on the extent of the impact, different treatment methods can be adopted, such as painting, replacing with non-metallic coatings (plastic, ceramic), or plating exposed metal parts with stainless steel. Coating involves evenly applying the stirred slurry to the current collector. To remove metal foreign matter, magnetic rods have become an essential device.

[0003] As product quality requirements increase, the market is undergoing a series of upgrades. After a period of installation and use, magnetic rods will accumulate adsorbents, such as magnetic metal substances, on their surface. When adsorbents become too thick on the surface of the magnetic rod, their adsorption capacity is reduced. Currently, cleaning magnetic rods can only be done manually. In typical coating, roller pressing, and die-cutting processes, the pre-set cleaning positions require magnetic rods to be installed on both sides of the pole piece. This requires stopping the machine and disconnecting the tape during cleaning, which not only reduces production efficiency but also makes cleaning difficult, time-consuming, and labor-intensive. Utility Model Content

[0004] The purpose of the utility model is to provide a magnetic rod assembly, an electrode pole piece rolling die-cutting device and an electrode pole piece coating device, so as to solve the technical problems existing in the prior art that manual cleaning of magnetic rods requires belt breakage and is time-consuming and labor-intensive.

[0005] In order to achieve the above purpose, the present invention provides the following technical solutions:

[0006] A magnetic bar assembly, comprising:

[0007] Bracket;

[0008] A roller is provided on the support and is used for conveying materials;

[0009] A magnetic rod, mounted on the bracket and used to adsorb the adsorbent on the material;

[0010] a scraper, sleeved on the magnetic rod;

[0011] A rodless cylinder is mounted on the bracket, and a driving end of the rodless cylinder is connected to the scraper;

[0012] a receiving assembly connected to the driving end of the rodless cylinder, and the position of the receiving assembly corresponds to the position of the scraper;

[0013] The rodless cylinder can drive the scraper to reciprocate on the magnetic rod and drive the receiving assembly to move along with the scraper, so that the receiving assembly collects the adsorbed matter scraped off by the scraper.

[0014] In any of the above technical solutions, optionally, the storage assembly includes a first dust collection pipe, a dust collection nozzle and a negative pressure air source; the position of the dust collection nozzle corresponds to the scraper;

[0015] One end of the first dust suction pipe is connected to the dust suction nozzle, and the other end is connected to the negative pressure air source.

[0016] In any of the above technical solutions, optionally, the storage assembly further includes a second dust collection duct and a waste box;

[0017] One end of the second dust collection pipe is connected to the waste box, and the other end is connected to the negative pressure air source;

[0018] The waste box is arranged below the scraper.

[0019] In any of the above technical solutions, optionally, the dust suction nozzle is arranged below the scraper on a side close to the material;

[0020] The waste box is arranged below the dust suction nozzle.

[0021] In any of the above technical solutions, optionally, the rodless cylinder includes a slide and a cylinder; the cylinder is mounted on the bracket, and the slide is configured to be slidably connected to the cylinder;

[0022] The scraper and the receiving assembly are both connected to the slide.

[0023] In any of the above technical solutions, optionally, the magnetic rod assembly further includes a control assembly, a manual button, an automatic button and a cylinder electric control valve;

[0024] The cylinder electric control valve is electrically connected to the control assembly, and the cylinder electric control valve is used to control the air path of the rodless cylinder;

[0025] The manual button and the automatic button are electrically connected to the control component respectively; the control component is configured to receive trigger information of the manual button or the automatic button and control the cylinder electric control valve accordingly.

[0026] In any of the above technical solutions, optionally, the magnetic rod assembly further includes a receiving electric control valve for controlling the gas path of the receiving assembly; the receiving electric control valve is electrically connected to the control assembly, and the control assembly controls the receiving electric control valve accordingly;

[0027] The control component includes a PLC controller.

[0028] In any of the above technical solutions, optionally, the rodless cylinder adopts a magnetic rodless cylinder or a mechanical rodless cylinder;

[0029] The scraper is a Teflon scraper, a silicone scraper or a rubber scraper;

[0030] The scraper is in the shape of a ring column;

[0031] Two ends of the magnetic bar are respectively connected to the bracket with mounting parts.

[0032] An electrode plate rolling and die-cutting device comprises the above-mentioned magnetic bar assembly.

[0033] An electrode plate coating device, comprising the magnetic rod assembly described above;

[0034] The material includes a pole piece; the scraper is spaced apart from the pole piece.

[0035] The beneficial effects of the present invention are mainly:

[0036] The magnetic rod assembly, electrode pole piece rolling and die-cutting equipment and electrode pole piece coating equipment provided by the utility model are connected by a bracket supporting a roller, a magnetic rod, a scraper and a rodless cylinder and the like. The scraper can be driven by the rodless cylinder to reciprocate on the magnetic rod to scrape and clean the adsorbed matter on the surface of the magnetic rod. At the same time, the storage assembly moves synchronously with the scraper to collect the adsorbed matter scraped off by the scraper, and can realize online automatic cleaning of the magnetic rod, which can effectively reduce the downtime for cleaning, save the manpower required for cleaning the magnetic rod to a certain extent, and eliminate the waste of foil cost caused by broken belts when cleaning the magnetic rod, thereby effectively improving production benefits.

[0037] In order to make the above-mentioned objectives, features and advantages of the present application more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0039] Figure 1 A schematic structural diagram of a magnetic rod assembly provided in an embodiment of the present utility model;

[0040] Figure 2 A front view of a magnetic rod assembly provided in an embodiment of the present utility model;

[0041] Figure 3 for Figure 2 AA sectional view of the magnetic rod assembly shown;

[0042] Figure 4 A schematic diagram of the circuit connection of the magnetic rod assembly provided in an embodiment of the present utility model.

[0043] Icons: 110-scraper; 120-rodless cylinder; 121-slide; 122-cylinder; 130-storage assembly; 131-first dust suction pipe; 132-dust suction nozzle; 133-second dust suction pipe; 134-waste box; 140-control assembly; 141-manual button; 142-automatic button; 143-cylinder electric control valve; 144-storage electric control valve; 210-bracket; 211-mounting part; 220-roller; 230-magnetic rod; 310-material. DETAILED DESCRIPTION

[0044] To make the purpose, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, not all embodiments. Generally, the components of the embodiments of the present invention described and shown in the drawings herein can be arranged and designed in various different configurations.

[0045] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but rather merely represents selected embodiments of the present invention. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without creative effort are also within the scope of protection of the present invention.

[0046] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, it does not need to be further defined or explained in subsequent drawings.

[0047] In the description of this utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer" and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is typically placed when in use. These terms are intended solely to facilitate the description of this utility model and to simplify the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first," "second," and "third," etc., are used solely to distinguish descriptions and should not be construed as indicating or implying relative importance.

[0048] Furthermore, terms such as "horizontal," "vertical," and "overhanging" do not necessarily imply that a component must be absolutely horizontal or overhanging, but rather that it can be slightly tilted. For example, "horizontal" simply means that its direction is more horizontal than "vertical," and does not mean that the structure must be completely horizontal, but rather that it can be slightly tilted.

[0049] It should also be noted that, in the description of this utility model, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal connections between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on the specific circumstances.

[0050] The following embodiments of the present invention are described in detail with reference to the accompanying drawings. In the absence of conflict, the following embodiments and features in the embodiments may be combined with each other.

[0051] Example

[0052] This embodiment provides a magnetic rod assembly and an electrode plate rolling die cutting device and an electrode plate coating device; please refer to Figures 1-4 , Figure 1 and Figure 2 This is a schematic diagram of the structure of the magnetic rod assembly provided in this embodiment from different perspectives. Figure 3 for Figure 2 AA sectional view of the magnetic rod assembly shown; Figure 4 This is a schematic diagram of the circuit connection of the magnetic bar assembly provided in this embodiment.

[0053] The magnetic rod assembly provided in this embodiment can be used for online automatic cleaning of magnetic rods in processes such as coating, rolling, and die cutting. Figure 1-Figure 3 As shown, the magnetic bar assembly includes:

[0054] Bracket 210.

[0055] The roller 220 is disposed on the support 210 and is used to transfer the material 310. In this embodiment, the material 310 is, for example, a pole piece or other substances.

[0056] The magnetic bar 230 is mounted on the bracket 210 and is used to adsorb substances on the material 310. Optionally, mounting members 211 are connected between the ends of the magnetic bar 230 and the bracket 210, that is, the magnetic bar 230 is mounted on the bracket 210 through the mounting members 211; the mounting members 211 can securely mount the magnetic bar 230 on the bracket 210.

[0057] The scraper 110 is sleeved on the magnetic rod 230 .

[0058] The rodless cylinder 120 is mounted on the bracket 210 , and the driving end of the rodless cylinder 120 is connected to the scraper 110 ; that is, the fixed end of the rodless cylinder 120 is fixedly connected to the bracket 210 .

[0059] The storage assembly 130 is connected to the driving end of the rodless cylinder 120 , and the position of the storage assembly 130 corresponds to the position of the scraper 110 .

[0060] The rodless cylinder 120 can drive the scraper 110 to reciprocate on the magnetic rod 230 and drive the receiving assembly 130 to move along with the scraper 110 so that the receiving assembly 130 collects the adsorbed matter scraped off by the scraper 110 .

[0061] In some embodiments, as Figure 1 and Figure 3 As shown, the material is transported vertically. A magnetic bar assembly, positioned along the material transport direction, includes two rollers 220. The rollers 220 support the material 310. A magnetic bar 230 is positioned between the rollers 220 and spaced apart from the material 310. During material transport, the magnetic bar 230 magnetically attracts material on the surface of the material 310. A collection assembly 130 is positioned below the magnetic bar 230, collecting material scraped off by the scraper 110.

[0062] There is no limitation on the number of rollers 220 and the number of magnetic bars 230. In other embodiments, there may be only one roller 220, and the magnetic bar 230 may be positioned close to the roller 220, utilizing the roller 220's support for the material to prevent the magnetic bar 230 from directly contacting the material 310. Alternatively, there may be multiple rollers 220 or multiple magnetic bars 230, and multiple magnetic bars 230 may be positioned on opposite sides of the material.

[0063] Optionally, the scraper 110 is a Teflon scraper, a silicone scraper, a rubber scraper, or a scraper made of other materials.

[0064] Optionally, the scraper 110 is in a cylindrical shape and is mounted on the magnetic rod 230. In some embodiments, the scraper 110 may also be in other shapes.

[0065] The magnetic bar assembly described in this embodiment is supported by the bracket 210 and connected to the roller 220, the magnetic bar 230, the scraper 110 and the rodless cylinder 120 and other structures. The scraper 110 can be driven by the rodless cylinder 120 to reciprocate on the magnetic bar 230 to scrape and clean the adsorbed matter on the surface of the magnetic bar 230. At the same time, the storage assembly 130 moves synchronously with the scraper 110 to collect the adsorbed matter scraped off by the scraper 110, and can realize online automatic cleaning of the magnetic bar 230, which can effectively reduce the downtime for cleaning, save the manpower required for magnetic bar cleaning to a certain extent, and eliminate the waste of foil costs caused by broken belts due to cleaning the magnetic bar, thereby effectively improving production benefits.

[0066] In the prior art, after a period of installation and use, magnetic metal and other adsorbents form on the surface of the magnetic bar. Excessive surface adsorption reduces the magnetic bar's adsorption capacity, requiring manual cleaning, which requires breaking the belt and is extremely difficult. This wastes time, reduces production efficiency, and increases costs. The magnetic bar assembly described in this embodiment allows for cleaning of the magnetic bar 230 during the production process, saving time, increasing production returns, and achieving automation.

[0067] On the other hand, the rodless cylinder 120 is used in the magnetic rod assembly, which can effectively reduce the space requirement for cylinder installation compared to the rod cylinder, and is suitable for scenarios with relatively compact axial space in the equipment.

[0068] See also Figure 3 As shown, in an optional solution of this embodiment, the storage assembly 130 includes a first dust collection duct 131, a dust collection nozzle 132, and a negative pressure air source; the dust collection nozzle 132 is positioned corresponding to the scraper 110; one end of the first dust collection duct 131 is connected to the dust collection nozzle 132, and the other end of the first dust collection duct 131 is connected to the negative pressure air source. By positioning the dust collection nozzle 132 corresponding to the scraper 110, the negative pressure air source can sequentially absorb adsorbed matter scraped off by the scraper 110 through the first dust collection duct 131 and the dust collection nozzle 132, thereby avoiding or reducing the impact of adsorbed matter scraped off by the scraper 110 on the equipment.

[0069] See also Figure 3As shown, in an optional solution of this embodiment, the storage assembly 130 further includes a second dust collection duct 133 and a waste box 134; one end of the second dust collection duct 133 is connected to the waste box 134, and the other end of the second dust collection duct 133 is connected to a negative pressure air source; the waste box 134 is disposed below the scraper 110. The magnetic rod assembly of this embodiment, through the second dust collection duct 133 and the waste box 134, allows the negative pressure air source to further absorb the adsorbed matter scraped off by the scraper 110, further preventing or reducing the impact of the adsorbed matter scraped off by the scraper 110 on the equipment.

[0070] See also Figure 3 As shown, in an optional solution of this embodiment, the dust collection nozzle 132 is disposed below the scraper 110 on the side close to the material 310; and the waste box 134 is disposed below the dust collection nozzle 132. In this embodiment, the magnetic bar 230 absorbs relatively more matter on the side close to the material 310, and the scraper 110 also scrapes off relatively more matter. By disposing the dust collection nozzle 132 below the scraper 110 on the side close to the material 310 and the waste box 134 below the dust collection nozzle 132, the efficiency of collecting matter scraped off by the scraper 110 is improved.

[0071] See also Figure 3 As shown, in an optional solution of this embodiment, the rodless cylinder 120 includes a slide 121 and a cylinder barrel 122; the cylinder barrel 122 is mounted on the bracket 210, and the slide 121 is configured to be slidably connected to the cylinder barrel 122; that is, the slide 121 is the driving end of the rodless cylinder 120, and the cylinder barrel 122 is the fixed end of the rodless cylinder 120. The scraper 110 and the storage assembly 130 are both connected to the slide 121.

[0072] Optionally, the rodless cylinder 120 is a magnetic rodless cylinder, a mechanical rodless cylinder, or a rodless cylinder with other structures.

[0073] See also Figure 4 As shown, in an optional solution of this embodiment, the magnetic rod assembly further includes a control assembly 140, a manual button 141, an automatic button 142 and a cylinder electric control valve 143.

[0074] The cylinder electric control valve 143 is electrically connected to the control component 140, and the cylinder electric control valve 143 is used to control the air circuit of the rodless cylinder 120; for example, the cylinder electric control valve 143 is used to control the on-off of the air circuit of the rodless cylinder 120, the flow rate of gas in the air circuit of the rodless cylinder 120, etc.

[0075] The manual button 141 and the automatic button 142 are electrically connected to the control component 140 respectively; the control component 140 is configured to receive trigger information of the manual button 141 or the automatic button 142 and control the cylinder electric control valve 143 accordingly.

[0076] The magnetic rod assembly described in this embodiment controls the cylinder electric control valve 143 through the control component 140, thereby controlling the rodless cylinder 120. Trigger information is sent to the control component 140 via the manual button 141 or the automatic button 142 to control the cylinder electric control valve 143, thereby controlling the rodless cylinder 120. For example, in manual mode, by pressing the manual button 141 once or multiple times, the rodless cylinder 120 drives the scraper 110 to reciprocate on the magnetic rod 230 a fixed number of times, such as 5 times or 8 times, to clean the surface of the magnetic rod 230. For another example, in automatic mode, the fixed number of times the rodless cylinder 120 drives the scraper 110 to reciprocate on the magnetic rod 230 can be set according to time or production meters. During the production process, the magnetic rod 230 can be cleaned in automatic mode, saving time and improving production efficiency.

[0077] See also Figure 4 As shown, in an optional solution of this embodiment, the magnetic rod assembly further includes a receiving electrically controlled valve 144 for controlling the air circuit of the receiving assembly 130; the receiving electrically controlled valve 144 is electrically connected to the control assembly 140, and the control assembly 140 controls the receiving electrically controlled valve 144 accordingly; for example, the receiving electrically controlled valve 144 is used to control the on-off state of the air circuit of the receiving assembly 130, the flow rate of gas within the air circuit of the receiving assembly 130, etc. Optionally, the same receiving electrically controlled valve 144 is connected between the first dust collection duct 131 and the second dust collection duct 133 and the negative pressure air source to correspondingly control the on-off state of the air circuit, the gas flow rate, etc. within the first dust collection duct 131 and the second dust collection duct 133. Optionally, a receiving electric control valve 144 is connected between the first dust suction pipe 131 and the second dust suction pipe 133 and the negative pressure air source respectively to correspondingly control the on-off and gas flow of the air circuit in the first dust suction pipe 131, and to correspondingly control the on-off and gas flow of the air circuit in the second dust suction pipe 133.

[0078] Optionally, the control component 140 includes a PLC controller or other controller. A PLC controller (full name: Programmable Logic Controller) is a digital computing and operating electronic system designed specifically for use in industrial environments. It uses a programmable memory to control various types of mechanical equipment or production processes through digital or analog input and output.

[0079] The magnetic rod assembly described in this embodiment can automatically clean the magnetic rods during coating, rolling, and die-cutting. The scraper 110 is driven to reciprocate on the magnetic rod 230 by the rodless cylinder 120, and the adsorbed matter scraped off by the scraper 110 is collected by the storage assembly 130. Manual mode and automatic mode can be realized, and automatic cleaning can be performed during the production process to save time, increase production benefits, and realize automation.

[0080] This embodiment also provides an electrode plate rolling and die-cutting device, including the magnetic bar assembly described in any of the above embodiments.

[0081] The electrode sheet rolling and die-cutting device provided in this embodiment includes the above-mentioned magnetic bar assembly. The technical features of the magnetic bar assembly disclosed above are also applicable to the electrode sheet rolling and die-cutting device, and the technical features of the magnetic bar assembly disclosed above are not repeated here. The electrode sheet rolling and die-cutting device described in this embodiment has the advantages of the above-mentioned magnetic bar assembly, and the advantages of the magnetic bar assembly disclosed above are not repeated here. The electrode plate roller die-cutting equipment supports the roller 220, the magnetic rod 230, the scraper 110 and the rodless cylinder 120 and other structures through the bracket 210 of the magnetic rod assembly. The scraper 110 can be driven by the rodless cylinder 120 to reciprocate on the magnetic rod 230 to scrape and clean the adsorbed matter on the surface of the magnetic rod 230. At the same time, the storage assembly 130 moves synchronously with the scraper 110 to collect the adsorbed matter scraped off by the scraper 110, and can realize online automatic cleaning of the magnetic rod 230, which can effectively reduce the downtime for cleaning, save the manpower required for cleaning the magnetic rod to a certain extent, and eliminate the waste of foil costs caused by broken tapes when cleaning the magnetic rods, thereby effectively improving production benefits.

[0082] This embodiment also provides an electrode plate coating device, comprising the magnetic rod assembly described in any of the above embodiments; the material 310 includes a pole plate; the scraper 110 is spaced apart from the pole plate; and the pole plate is prevented from being damaged by the scraper 110. The electrode plate coating device supports and connects the roller 220, the magnetic rod 230, the scraper 110, and the rodless cylinder 120 through the support 210 of the magnetic rod assembly. The rodless cylinder 120 can drive the scraper 110 to reciprocate on the magnetic rod 230 to scrape and clean the adsorbed matter on the surface of the magnetic rod 230. At the same time, the storage assembly 130 moves synchronously with the scraper 110 to collect the adsorbed matter scraped off by the scraper 110, and can realize online automatic cleaning of the magnetic rod 230, which can effectively reduce the downtime for cleaning, save the manpower required for cleaning the magnetic rod to a certain extent, and eliminate the waste of foil costs caused by broken strips during cleaning of the magnetic rod, thereby effectively improving production benefits.

[0083] The electrode plate coating device provided in this embodiment includes the above-mentioned magnetic rod assembly. The technical features of the magnetic rod assembly disclosed above are also applicable to the electrode plate coating device, and the technical features of the magnetic rod assembly disclosed above are not repeated here. The electrode plate coating device described in this embodiment has the advantages of the above-mentioned magnetic rod assembly, and the advantages of the magnetic rod assembly disclosed above are not repeated here.

[0084] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A magnetic bar assembly, characterized in that: include: bracket (210); A roller (220) is disposed on the support (210) and is used to transfer the material (310); A magnetic rod (230) is mounted on the support (210) and is used to adsorb adsorbents on the material (310); A scraper (110) is sleeved on the magnetic rod (230); A rodless cylinder (120) is mounted on the bracket (210), and a driving end of the rodless cylinder (120) is connected to the scraper (110); A receiving assembly (130), the receiving assembly (130) being connected to the driving end of the rodless cylinder (120), and the position of the receiving assembly (130) corresponding to the position of the scraper (110); The rodless cylinder (120) can drive the scraper (110) to reciprocate on the magnetic rod (230), and drive the receiving assembly (130) to move along with the scraper (110), so that the receiving assembly (130) collects the adsorbed matter scraped off by the scraper (110).

2. The magnetic rod assembly according to claim 1, characterized in that The storage assembly (130) comprises a first dust suction pipe (131), a dust suction nozzle (132) and a negative pressure air source; the position of the dust suction nozzle (132) corresponds to the scraper (110); One end of the first dust suction pipe (131) is connected to the dust suction nozzle (132), and the other end is connected to the negative pressure air source.

3. The magnetic bar assembly according to claim 2, characterized in that The storage assembly (130) further includes a second dust collection duct (133) and a waste box (134); One end of the second dust suction pipe (133) is connected to the waste box (134), and the other end is connected to the negative pressure air source; The waste box (134) is arranged below the scraper (110).

4. The magnetic bar assembly according to claim 3, characterized in that The dust suction nozzle (132) is arranged below the scraper (110) on a side close to the material (310); The waste box (134) is arranged below the dust suction nozzle (132).

5. The magnetic bar assembly according to claim 1, characterized in that The rodless cylinder (120) includes a slide (121) and a cylinder (122); the cylinder (122) is mounted on the bracket (210), and the slide (121) is configured to be slidably connected to the cylinder (122); The scraper (110) and the storage assembly (130) are both connected to the slide (121).

6. The magnetic bar assembly according to claim 1, characterized in that It also includes a control component (140), a manual button (141), an automatic button (142) and a cylinder electric control valve (143); The cylinder electric control valve (143) is electrically connected to the control component (140), and the cylinder electric control valve (143) is used to control the air path of the rodless cylinder (120); The manual button (141) and the automatic button (142) are electrically connected to the control component (140) respectively; the control component (140) is configured to receive trigger information of the manual button (141) or the automatic button (142) and control the cylinder electric control valve (143) accordingly.

7. The magnetic bar assembly according to claim 6, characterized in that It also includes a receiving electric control valve (144) for controlling the air path of the receiving assembly (130); the receiving electric control valve (144) is electrically connected to the control assembly (140), and the control assembly (140) controls the receiving electric control valve (144) accordingly; The control component (140) includes a PLC controller.

8. The magnetic bar assembly according to claim 1, characterized in that The rodless cylinder (120) is a magnetic rodless cylinder or a mechanical rodless cylinder; The scraper (110) is a Teflon scraper, a silicone scraper or a rubber scraper; The scraper (110) is in the shape of a ring column; Mounting parts (211) are respectively connected between the two ends of the magnetic bar (230) and the bracket (210).

9. An electrode sheet rolling and die-cutting device, characterized in that: The invention comprises the magnetic rod assembly according to any one of claims 1 to 8.

10. An electrode plate coating device, characterized in that: The invention comprises the magnetic rod assembly according to any one of claims 1 to 8.

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