Cleaning device for lower copper bar chain of tobacco cutter

Abstract

The utility model provides a tobacco cutter lower copper bar chain cleaning device, and relates to the technical field of tobacco processing. The tobacco cutter lower copper bar chain cleaning device comprises a cleaning assembly, a blowing mechanism and a negative pressure recovery part, the cleaning assembly comprises a cleaning row brush, a cleaning scraper and a cleaning box with an opening, the cleaning box and a lower copper bar chain are correspondingly arranged on a rack, and the cleaning row brush and the cleaning scraper are both arranged at the opening end of the cleaning box; the blowing mechanism is adjustably arranged in the cleaning box, a plurality of nozzles in the blowing mechanism face the opening of the cleaning box and communicate with an external air source, and the blowing angle or the blowing distance of the nozzles can be changed by adjusting the blowing mechanism; the negative pressure recovery part is connected to the cleaning box and communicates with the cleaning box, and the negative pressure recovery part can recover cleaned impurities on the lower copper bar chain. According to the tobacco cutter lower copper bar chain cleaning device, the overall cleaning effect on the lower copper bar chain can be improved.

Description

Technical Field

[0001] This utility model relates to the field of tobacco processing technology, and in particular to a cleaning device for the lower copper busbar chain of a shredder. Background Technology

[0002] In cigarette manufacturing lines, processed tobacco sheets are cut into uniformly sized shreds using a tobacco shredder. Existing roller and disc shredders require upper and lower copper chains for compaction and feeding. During the shredding process, tobacco shreds adhere to the chains to varying degrees. For stems with higher moisture content, the adhesion is greater on the lower copper chain. Excessive adhesion causes slippage on the chains, reducing the uniformity of the cut tobacco shreds or stems and indicating a decline in subsequent processing quality. Therefore, after processing, existing shredders require timely cleaning of the lower copper chain using a cleaning device to ensure optimal subsequent processing. However, existing cleaning devices are ineffective at removing tobacco leaves and dirt adhering to the gaps within the lower copper chain. Utility Model Content

[0003] The purpose of this invention is to provide a cleaning device for the lower copper busbar chain of a shredder, which can improve the overall cleaning effect of the lower copper busbar chain.

[0004] To achieve this objective, the present invention adopts the following technical solution:

[0005] A cleaning device for the lower copper busbar chain of a shredder is used to clean and recover impurities on the lower copper busbar chain, including:

[0006] A cleaning assembly includes a cleaning brush, a cleaning scraper, and a cleaning box with an opening. The cleaning box is disposed on the frame corresponding to the lower copper busbar chain. Both the cleaning brush and the cleaning scraper are disposed at the open end of the cleaning box.

[0007] The blowing mechanism is adjustablely installed inside the cleaning box. Multiple nozzles in the blowing mechanism are all oriented toward the opening of the cleaning box and are connected to an external air source. Adjusting the blowing mechanism can change the blowing angle or blowing distance of the multiple nozzles.

[0008] A negative pressure recovery unit is connected to and communicates with the cleaning box, and the negative pressure recovery unit can recover the impurities that have been cleaned on the lower copper busbar chain.

[0009] As a further technical solution, the blowing mechanism includes a mounting assembly and a blowing assembly that is adjustablely mounted on the cleaning box via the mounting assembly;

[0010] The mounting assembly includes a mounting plate and multiple connectors. Along the height direction, the mounting plate is provided with a first mounting hole and an arc-shaped adjustment hole at intervals, and the side wall of the cleaning box is provided with a second mounting hole and a third mounting hole correspondingly.

[0011] The arc-shaped adjustment hole is centered on the center of the first mounting hole. One of the connectors passes through the first mounting hole and the second mounting hole in sequence, and the other connector passes through the arc-shaped adjustment hole and the third mounting hole in sequence, so that the mounting plate can be adjusted and connected to the cleaning box.

[0012] As a further technical solution, both the second mounting hole and the third mounting hole are configured as elongated holes, and both elongated holes extend along the height direction.

[0013] As a further technical solution, the spraying assembly includes a support member, which is fixedly connected to the mounting plate. The support member extends in a direction perpendicular to the movement direction of the lower copper busbar chain, and a plurality of nozzles are disposed on the support member.

[0014] As a further technical solution, a plurality of the nozzles are evenly spaced along the axial direction of the support member.

[0015] As a further technical solution, the jetting assembly also includes a connecting pipe, and the support member has a distribution cavity extending axially along the support member. The two ends of the connecting pipe are respectively connected to the distribution cavity and an external air source, and the plurality of nozzles are all connected to the distribution cavity.

[0016] As a further technical solution, the blowing assembly also includes a flow regulating valve, which is disposed in the middle of the connecting pipe and is limitedly connected to the cleaning box.

[0017] As a further technical solution, the jetting assembly also includes a one-way valve and / or a filter element, both of which are disposed on the connecting pipe and located between the flow regulating valve and the support element.

[0018] As a further technical solution, the negative pressure recovery component is configured as an industrial vacuum cleaner, and the end of the air outlet pipe of the industrial vacuum cleaner is configured as a recovery port, which is located in the cleaning box opposite to the opening of the cleaning box.

[0019] As a further technical solution, the cleaning scraper is configured as a soft scraper, and both the cleaning scraper and the cleaning brush can be detachably installed in the cleaning box.

[0020] Compared with the prior art, the technical advantages of the copper busbar chain cleaning device for the shredder provided in this embodiment are as follows:

[0021] Since the cleaning brush and cleaning scraper are both located at the opening of the cleaning box, and multiple nozzles are positioned facing the opening of the cleaning box and connected to an external air source, gas is sprayed onto the lower copper bus chain through these nozzles during its movement. This, combined with the cleaning brush and cleaning scraper, effectively cleans the tobacco leaves and dirt adhering to the lower copper bus chain. Furthermore, because the negative pressure recovery unit is connected to the cleaning box, after the cleaning brush, cleaning scraper, and multiple nozzles have removed the impurities from the lower copper bus chain, they are directly recovered into the negative pressure recovery unit under its negative pressure, thus completing the recovery of the cleaned impurities. Since the blowing mechanism is adjustable inside the cleaning box, and the blowing angle or blowing distance of multiple nozzles can be adjusted by adjusting the blowing mechanism, the angle and force of the gas being blown onto the lower copper busbar can be adaptively changed by adjusting the disc blowing mechanism throughout the cleaning process. This completes the cleaning of tobacco leaves, dirt and other impurities adhering to the gaps in the lower copper busbar, thereby improving the overall cleaning effect of the lower copper busbar. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the description of the embodiments of this utility model will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the content of the embodiments of this utility model and these drawings without creative effort.

[0023] Figure 1 This is a front view of the copper busbar chain cleaning device for the shredder provided in this embodiment of the utility model;

[0024] Figure 2 This is a cross-sectional view of the first embodiment of the copper busbar chain cleaning device for a shredder provided in this utility model embodiment;

[0025] Figure 3 This is a cross-sectional view of the second embodiment of the copper busbar chain cleaning device for the shredder provided in this utility model.

[0026] In the picture:

[0027] 100. Cleaning assembly; 110. Cleaning brush; 120. Cleaning scraper; 130. Cleaning box; 131. Second mounting hole; 132. Third mounting hole;

[0028] 210. Mounting component; 211. Mounting plate; 2111. First mounting hole; 2112. Arc-shaped adjustment hole; 212. Connector; 220. Pulse assembly; 221. Nozzle; 222. Support; 2221. Distribution chamber; 223. Connecting pipe; 224. Flow regulating valve;

[0029] 300. Negative pressure recovery component. Detailed Implementation

[0030] Before explaining any implementation of this application in detail, it should be understood that this application is not limited to its application to the structural details and component arrangements set forth in the following description or shown in the above drawings.

[0031] In this application, the terms "comprising," "including," "having," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0032] In this application, the term "and / or" describes the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent three cases: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this application generally indicates that the preceding and following related objects have an "and / or" relationship.

[0033] In this application, the terms "connection," "combination," "coupling," and "installation" can refer to direct connection, combination, coupling, or installation, or indirect connection, combination, coupling, or installation. For example, a direct connection refers to two parts or components being connected together without the need for an intermediary, while an indirect connection refers to two parts or components each being connected to at least one intermediary, with the connection achieved through the intermediary. Furthermore, "connection" and "coupling" are not limited to physical or mechanical connections or couplings, but can also include electrical connections or couplings.

[0034] In this application, those skilled in the art will understand that relative terms (e.g., “about,” “approximately,” “basically,” etc.) used in conjunction with quantities or conditions are to include the values ​​and have the meaning indicated by the context. For example, such relative terms include at least the degree of error associated with the measurement of a particular value, tolerances associated with the particular value due to manufacturing, assembly, use, etc. Such terms should also be considered as disclosing a range defined by the absolute values ​​of the two endpoints. Relative terms may refer to a certain percentage (e.g., 1%, 5%, 10% or more) of the indicated value. Numerical values ​​not using relative terms should also be disclosed as specific values ​​with tolerances. Furthermore, “basically” when expressing relative angular relationships (e.g., substantially parallel, substantially perpendicular) may refer to a certain degree (e.g., 1 degree, 5 degrees, 10 degrees or more) added to or subtracted from the indicated angle.

[0035] In this application, those skilled in the art will understand that the function performed by a component can be performed by one component, multiple components, one part, or multiple parts. Similarly, the function performed by a part can also be performed by one part, one component, or a combination of multiple parts.

[0036] In this application, the directional terms "upper," "lower," "left," "right," "front," and "rear" are used to describe the orientation and positional relationships shown in the accompanying drawings and should not be construed as limiting the embodiments of this application. Furthermore, in the context, it should be understood that when an element is mentioned as being connected "upper" or "lower" to another element, it can be directly connected to the other element "upper" or "lower," or indirectly connected through an intermediate element. It should also be understood that directional terms such as upper side, lower side, left side, right side, front side, and rear side not only represent positive orientation but can also be understood as lateral orientation. For example, "below" can include directly below, lower left, lower right, lower front, and lower rear.

[0037] Combination Figure 1 and Figure 3As shown, the shredder lower copper busbar chain cleaning device provided in this embodiment is used to clean and recycle tobacco leaves, dirt and other impurities on the lower copper busbar chain, and improve the overall cleaning effect of the lower copper busbar chain. The cleaning device for the lower copper busbar chain of the wire cutting machine includes a cleaning component 100, a blowing mechanism, and a negative pressure recovery component 300. The cleaning component 100 includes a cleaning brush 110, a cleaning scraper 120, and a cleaning box 130 with an opening. The cleaning box 130 is arranged on the frame corresponding to the lower copper busbar chain. The cleaning brush 110 and the cleaning scraper 120 are both located at the opening end of the cleaning box 130. The blowing mechanism is adjustablely arranged inside the cleaning box 130. Multiple nozzles 221 in the blowing mechanism are all arranged facing the opening of the cleaning box 130, and multiple nozzles 221 are all connected to an external air source. Adjusting the blowing mechanism can change the blowing angle or blowing distance of multiple nozzles 221. The negative pressure recovery component 300 is connected to and communicates with the cleaning box 130. The negative pressure recovery component 300 can recover the impurities that have been cleaned on the lower copper busbar chain.

[0038] Since the cleaning brush 110 and the cleaning scraper 120 are both located at the opening of the cleaning box 130, and multiple nozzles 221 are positioned facing the opening of the cleaning box 130 and connected to an external air source, during the movement of the lower copper bus chain, gas is sprayed onto the lower copper bus chain through the multiple nozzles 221. This, in conjunction with the cleaning brush 110 and the cleaning scraper 120, effectively cleans the tobacco leaves and dirt adhering to the lower copper bus chain. Since the negative pressure recovery unit 300 is connected to the cleaning box 130, after the cleaning brush 110, the cleaning scraper 120, and the multiple nozzles 221 have cleaned the impurities from the lower copper bus chain, they are directly recovered into the negative pressure recovery unit 300 under the negative pressure, thus completing the recovery of the cleaned impurities. Since the blowing mechanism is adjustable within the cleaning box 130, and the blowing angle or blowing distance of multiple nozzles 221 can be adjusted by adjusting the blowing mechanism, the angle and force of the gas being blown onto the lower copper busbar can be adaptively changed during the entire cleaning process. This allows for the cleaning of tobacco leaves and dirt adhering to the gaps in the lower copper busbar, thereby improving the overall cleaning effect on the lower copper busbar.

[0039] Preferably, the blowing mechanism includes a mounting assembly 210 and a blowing assembly 220 that is adjustablely mounted on the cleaning box 130 via the mounting assembly 210. The mounting assembly 210 includes a mounting plate 211 and a plurality of connectors 212. Along the height direction, the mounting plate 211 is provided with a first mounting hole 2111 and an arc-shaped adjustment hole 2112 at intervals. The side wall of the cleaning box 130 is provided with a second mounting hole 131 and a third mounting hole 132 respectively. The arc-shaped adjustment hole 2112 is centered on the center of the first mounting hole 2111. The first mounting hole 2111 and the second mounting hole 131 are adjustablely connected via one of the connectors 212, and the arc-shaped adjustment hole 2112 and the third mounting hole 132 are adjustablely connected via the other connector 212.

[0040] Combination Figure 1 and Figure 2 As shown, in this embodiment, to improve the installation strength and stability of the blowing assembly 220, two sets of mounting components 210 are provided. The blowing assembly 220 can be adjusted and installed in the cleaning box 130 with the help of the two sets of mounting components 210. The connector 212 is a threaded connector with a nut. After installing the blowing assembly 220, tightening multiple threaded connectors can limit the blowing assembly 220 to its current state. When the blowing angle of the nozzle 221 is required, loosen multiple threaded connectors and rotate the mounting plate 211 around the first mounting hole 2111 along the arc-shaped adjustment hole 2112. After rotating to the target angle, tighten multiple threaded connectors again to complete the adjustment of the blowing angle.

[0041] Or, such as Figure 3 As shown, the mounting plate 211 can also omit the arc-shaped adjustment hole 2112 and instead have multiple adjustment holes. The distribution trajectory of these multiple adjustment holes on the mounting plate 211 is arc-shaped, with the center of the first mounting hole 2111 as the center. When adjusting the blowing angle, the corresponding threaded connector is removed from the current adjustment hole and the third mounting hole 132, and then the threaded connector is passed through the target adjustment hole and the third mounting hole 132, thereby completing the adjustment of the blowing angle.

[0042] In some other embodiments, the arc-shaped adjustment hole 2112 may be provided on the side wall of the cleaning box 130, and the third mounting hole 132 may be provided on the mounting plate 211.

[0043] Preferably, both the second mounting hole 131 and the third mounting hole 132 are elongated holes, extending along the height direction. This configuration allows for adjustment of the blowing distance of the multiple nozzles 221 by adjusting the position of the threaded connector within the corresponding elongated hole.

[0044] In the actual cleaning process, in order to facilitate the cleaning of impurities in the gaps of the lower copper busbar chain, the blowing angle or blowing distance can be adjusted simultaneously according to the actual situation.

[0045] Preferably, the blowing assembly 220 includes a support member 222, which is fixedly connected to the mounting plate 211. The support member 222 extends in a direction perpendicular to the movement direction of the lower copper bus chain. Multiple nozzles 221 are disposed on the support member 222 so that the gas sprayed by the multiple nozzles 221 can cover the area of ​​the cleaning box 130 opposite to the lower copper bus chain, thereby ensuring the cleaning effect of the area.

[0046] In some other embodiments, multiple support members 222 may be provided inside the cleaning box 130. The multiple support members 222 are all connected to the cleaning box 130 through the mounting assembly 210, and each support member 222 is provided with multiple nozzles 221. In this way, by increasing the number of nozzles 221, the amount of gas blown onto the lower copper bus chain is increased, thereby further improving the cleaning effect on the lower copper bus chain.

[0047] To ensure that the amount of gas sprayed by the blowing assembly 220 is equal at all points on the lower copper busbar chain, multiple nozzles 221 are evenly spaced along the axial direction of the support 222 to further improve the cleaning effect on the lower copper busbar chain.

[0048] In order to further improve the uniformity of the gas sprayed onto the lower copper bus chain by the spray assembly 220 during the cleaning process, the spray assembly 220 also includes a connecting pipe 223. The support member 222 is provided with a distribution cavity 2221 extending along the axial direction of the support member 222. The two ends of the connecting pipe 223 are respectively connected to the distribution cavity 2221 and the external air source. Multiple nozzles 221 are all connected to the distribution cavity 2221.

[0049] In other embodiments, multiple distribution chambers 2221 may be provided inside the support member 222, and the multiple distribution chambers 2221 are evenly spaced along the axial direction of the support member 222. Alternatively, no distribution chambers 2221 may be provided inside the support member 222, but multiple connecting pipes 223 may be provided, with multiple nozzles 221 corresponding to and connected to the multiple connecting pipes 223, and all multiple connecting pipes 223 being connected to an external air source.

[0050] Preferably, the blowing assembly 220 further includes a flow regulating valve 224, which is located in the middle of the connecting pipe 223 and is limitedly connected to the cleaning chamber 130. The flow regulating valve 224 is adjusted according to the actual adhesion of impurities on the lower copper busbar chain to change the amount of gas reaching the distribution chamber 2221, thereby ensuring the cleaning effect. Limiting the flow regulating valve 224 to the cleaning chamber 130 ensures its effectiveness while preventing the connecting pipe 223 from bending due to the valve's own weight, which would affect the cleaning effect.

[0051] To prevent cleaned impurities from entering the external air source through the connecting pipe 223 during and after the cleaning process, thus affecting the effectiveness of the external air source or directly damaging it, the blowing assembly 220 in this embodiment also includes a one-way valve and / or a filter. Both the one-way valve and the filter are located on the connecting pipe 223, between the flow regulating valve 224 and the support member 222. The filter can be directly set as a filter screen.

[0052] Preferably, the negative pressure recovery component 300 is configured as an industrial vacuum cleaner, with the end of the air outlet pipe of the industrial vacuum cleaner serving as the recovery port. The recovery port is positioned opposite the opening of the cleaning box 130. Throughout the cleaning process, the negative pressure of the industrial vacuum cleaner ensures the recovery of cleaned impurities, guaranteeing effective recovery and preventing the need for manual secondary collection due to some impurities being left behind. Positioning the recovery port opposite the opening of the cleaning box 130 minimizes the path of impurities from the lower copper busbar to the recovery port, further improving the recovery efficiency of cleaned impurities.

[0053] Industrial vacuum cleaners are not the focus of this embodiment and can be set up with reference to existing technology, which will not be described in detail here. Preferably, the cleaning scraper 120 is a soft scraper, and both the cleaning scraper 120 and the cleaning brush 110 can be detachably installed in the cleaning box 130.

[0054] In this embodiment, the example of installing a cleaning brush 110 and a cleaning scraper 120 on the cleaning box 130 is used for illustration. In other embodiments, the number of cleaning scrapers 120 and cleaning brushes 110 can be adjusted according to actual production needs. The cleaning scraper 120 is made of soft material. During the cleaning of the lower copper busbar chain, this avoids damage to the chain and prevents damage when there is a large amount and thickness of tobacco leaves and dirt adhering to it, thus extending its service life. The material of the cleaning scraper 120 can be rubber, silicone, plastic, etc., depending on actual needs; no specific limitation is made here. To further improve the cleaning effect on the lower copper busbar chain, the extension directions of both the cleaning scraper 120 and the cleaning brush 110 are set at an angle to the movement direction of the lower copper busbar chain. In this embodiment, the extension directions of both the cleaning scraper 120 and the cleaning brush 110 are perpendicular to the movement direction of the lower copper busbar chain.

[0055] Both the cleaning scraper 120 and the cleaning brush 110 are detachably mounted in the cleaning box 130. As the cleaning assembly 100 operates for longer periods, when the cleaning scraper 120 or the cleaning brush 110 becomes worn, only the new cleaning scraper 120 or the cleaning brush 110 needs to be replaced to maintain the cleaning effect on the lower copper busbar chain, without having to replace the entire cleaning assembly 100, thus reducing operating costs. The connection method for the detachable mounting of the cleaning scraper 120 and the cleaning brush 110 in the cleaning box 130 can be adapted to existing technology, such as snap-fit, adhesive, or connection using threaded connectors, etc., without specific limitations here.

[0056] The cleaning device for the lower copper busbar chain of the shredder provided in this embodiment is not limited to the lower copper busbar chain. In actual production, it can also be used to clean the upper copper busbar chain.

[0057] Obviously, the above embodiments of this utility model are merely examples for clearly illustrating the present utility model, and are not intended to limit the implementation of the present utility model. Those skilled in the art can make various obvious changes, readjustments, and substitutions without departing from the protection scope of this utility model. It is neither necessary nor possible to exhaustively describe all embodiments here. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of this utility model should be included within the protection scope of the claims of this utility model.

Claims

1. A cleaning device for the lower copper busbar chain of a shredder, used to clean and recover impurities on the lower copper busbar chain, characterized in that, include: A cleaning assembly (100) includes a cleaning brush (110), a cleaning scraper (120), and a cleaning box (130) with an opening. The cleaning box (130) is disposed on the frame corresponding to the lower copper busbar chain. The cleaning brush (110) and the cleaning scraper (120) are both disposed at the open end of the cleaning box (130). The blowing mechanism is adjustablely installed inside the cleaning box (130). Multiple nozzles (221) in the blowing mechanism are all arranged facing the opening of the cleaning box (130), and multiple nozzles (221) are all connected to an external air source. Adjusting the blowing mechanism can change the blowing angle or blowing distance of multiple nozzles (221). A negative pressure recovery unit (300) is connected to and communicates with the cleaning box (130). The negative pressure recovery unit (300) can recover the impurities that have been cleaned on the lower copper busbar chain.

2. The cleaning device for the lower copper busbar chain of the shredder according to claim 1, characterized in that, The blowing mechanism includes a mounting assembly (210) and a blowing assembly (220) that is adjustablely mounted on the cleaning box (130) via the mounting assembly (210); The mounting assembly (210) includes a mounting plate (211) and a plurality of connectors (212). Along the height direction, the mounting plate (211) is provided with a first mounting hole (2111) and an arc-shaped adjustment hole (2112) at intervals. The side wall of the cleaning box (130) is provided with a second mounting hole (131) and a third mounting hole (132) respectively. The arc-shaped adjustment hole (2112) is centered on the center of the first mounting hole (2111). One of the connectors (212) passes through the first mounting hole (2111) and the second mounting hole (131) in sequence, and the other connector (212) passes through the arc-shaped adjustment hole (2112) and the third mounting hole (132) in sequence, so that the mounting plate (211) can be adjusted and connected to the cleaning box (130).

3. The cleaning device for the lower copper busbar chain of the shredder according to claim 2, characterized in that, The second mounting hole (131) and the third mounting hole (132) are both elongated holes, and both elongated holes extend along the height direction.

4. The cleaning device for the lower copper busbar chain of the shredder according to claim 2, characterized in that, The blowing assembly (220) includes a support member (222), which is fixedly connected to the mounting plate (211). The support member (222) extends in a direction perpendicular to the movement direction of the lower copper busbar chain, and a plurality of nozzles (221) are disposed on the support member (222).

5. The cleaning device for the lower copper busbar chain of the shredder according to claim 4, characterized in that, The plurality of nozzles (221) are evenly spaced along the axial direction of the support (222) on the support (222).

6. The cleaning device for the lower copper busbar chain of the shredder according to claim 4, characterized in that, The jetting assembly (220) also includes a connecting pipe (223). The support member (222) has a distribution cavity (2221) extending axially along the support member (222). The two ends of the connecting pipe (223) are respectively connected to the distribution cavity (2221) and an external air source. The multiple nozzles (221) are all connected to the distribution cavity (2221).

7. The cleaning device for the lower copper busbar chain of the shredder according to claim 6, characterized in that, The blowing assembly (220) also includes a flow regulating valve (224), which is located in the middle of the connecting pipe (223) and is limited to the cleaning box (130).

8. The cleaning device for the lower copper busbar chain of the shredder according to claim 7, characterized in that, The jetting assembly (220) also includes a one-way valve and / or a filter element, both of which are disposed on the connecting pipe (223) and located between the flow regulating valve (224) and the support member (222).

9. The cleaning device for the lower copper busbar chain of the shredder according to claim 1, characterized in that, The negative pressure recovery component (300) is configured as an industrial vacuum cleaner, and the end of the air outlet pipe of the industrial vacuum cleaner is configured as a recovery port. The recovery port is disposed in the cleaning box (130) opposite to the opening of the cleaning box (130).

10. The cleaning device for the lower copper busbar chain of a shredder according to any one of claims 1-9, characterized in that, The cleaning scraper (120) is a soft scraper, and both the cleaning scraper (120) and the cleaning brush (110) are detachably mounted in the cleaning box (130).

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