Waste collection device

Abstract

The present application relates to a kind of waste collecting equipment for collecting the waste generated by cutting wire bundle, including negative pressure flow passage, air-permeable shield, filter chamber and waste bin;Negative pressure flow passage is used to connect negative pressure generating device, and connect the space area of the air-permeable shield side away from filter chamber, filter chamber connects the inner cavity of waste bin, and has the feeding passage extending to wire bundle cutting equipment.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of medical consumable production, and particularly relates to a waste collecting device for collecting waste generated by cutting a silk bundle. BACKGROUND

[0002] The production process of the spinning line includes the process of cutting and segmenting the silk bundle, which will generate a large amount of silk waste. The size of the silk waste after cutting is small, and it is easy to be randomly scattered by the flowing air. It is difficult to capture and clean it by using ordinary wiping tools or materials, and this cleaning method is easy to cause debris residue. The silk waste remaining in the silk bundle cutting device will cause hidden troubles to the device operation, and also pollute the production line and the spinning line product, and cause damage to the health of the on-site personnel. Therefore, there is an urgent need to provide an instrument for the spinning line production line, which can completely, efficiently, fully and hygienically collect the spinning line cutting waste. SUMMARY

[0003] Therefore, it is necessary to provide a waste collecting device for collecting waste generated by cutting a silk bundle. The waste collecting device comprises a negative pressure flow passage, an air-permeable shielding body, a filter chamber and a waste bin. The negative pressure flow passage is used for connecting a negative pressure generating device, and connecting a space area on the side of the air-permeable shielding body away from the filter chamber. The filter chamber is connected to the inner cavity of the waste bin, and has a feeding passage extending to the silk bundle cutting device.

[0004] The waste collecting device provided by the present application can obtain and store the spinning line cutting waste in a non-contact form by negative pressure adsorption force. The negative pressure adsorption method is particularly suitable for waste with small size, light weight and easy to be affected by flowing gas. The waste collecting device can completely and fully adsorb the waste in the environment of the silk bundle cutting device. Under the action of negative pressure, the silk waste is not easy to remain in the small space, and can be concentrated and collected into the waste bin, thereby significantly improving the efficiency of waste cleaning. In addition, the waste cleaning and the cutting of the silk bundle can be performed synchronously by using the negative pressure adsorption method to remove the waste. Compared with the scheme in which the ordinary wiping tool is used to clean the waste in a contact mode after the cutting of the silk bundle is completed, the present application can improve the utilization efficiency of the production time, and save the time for cleaning and maintenance after the single shift production is completed. In addition, the air-permeable shielding body can fully isolate the diffusion of the silk waste into the negative pressure flow passage, thereby eliminating the possibility of the waste entering the negative pressure generating device, and helping to ensure the long-term use reliability of the waste collecting device, and avoiding the diffusion of the waste to the outside through the negative pressure generating device.

[0005] In one embodiment, the waste collecting device further comprises a gas collecting chamber arranged on the side of the air-permeable shielding body away from the filter chamber. The gas collecting chamber is connected to the negative pressure flow passage, and is air-tightly separated from the filter chamber by the air-permeable shielding body.

[0006] In this way, the gas collecting chamber can expand the area available for the flowing gas to pass through the gas permeable shield, and further increase the effective area of the gas permeable shield contacting the wire waste, so that each position on the surface of the gas permeable shield can be used to block the wire waste as much as possible, and the flowing gas is prevented from being concentrated through a certain area on the gas permeable shield.

[0007] In one of the embodiments, the vertical height of the gas permeable shield is higher than the vertical height of the waste bin.

[0008] In this way, the wire waste in the waste bin is less likely to accumulate on the surface of the gas permeable shield, and the possibility of poor gas permeation due to the blockage of the gas permeable shield is eliminated, so that the gas flow can be ensured to flow through for a long time.

[0009] In one of the embodiments, the waste collecting device further comprises a gas guiding assembly provided with a plurality of guiding holes, and the negative pressure flow channel is communicated with a side of the gas guiding assembly opposite to the gas permeable shield.

[0010] In this way, the gas guiding assembly can limit the direction of the gas flow through the gas permeable shield through the guiding holes, which is conducive to increasing the area of the gas passing through the surface of the gas permeable shield, so that each part of the gas permeable shield can participate in the filtration and blocking of the wire waste.

[0011] In one of the embodiments, the opening of any one of the guiding holes can be projected on the gas permeable shield along the hole depth direction of the guiding hole.

[0012] In this way, the guiding hole can make the gas pass through the gas permeable shield along or approximately along the hole depth direction, and finally make the gas flow through the gas permeable shield concentrate at the position of the gas guiding assembly.

[0013] In one of the embodiments, the extension direction of the outlet of the feeding channel connected to the filtering chamber is consistent with the hole depth direction of at least part of the guiding holes.

[0014] In one of the embodiments, the waste collecting device comprises a rack and a filtering bin fixedly installed on the rack, and the waste bin is detachably and sealingly connected with the filtering bin; the gas permeable shield is arranged in the filtering bin and divides the inner cavity of the filtering bin into two areas, wherein the area adjacent to the waste bin forms the filtering chamber, and the other area is communicated with the negative pressure flow channel and forms the gas collecting chamber.

[0015] In this way, the structure of the waste collecting device is compact, the devices required for the composition are more simplified, the formation of the gas collecting chamber and the filtering chamber is more simple, and the wire waste is less likely to escape to the outside during the process of entering the waste bin.

[0016] In one of the embodiments, the edge of the gas permeable shield is sealingly connected with the inner wall of the filtering bin.

[0017] In this way, the sealed connection can eliminate the possibility of waste diffusing into the negative pressure flow channel, improve the protection effect on the negative pressure generating device, and also help to prolong the service life of the waste collecting device.

[0018] In one of the embodiments, the waste collecting device further has a liquid storage cavity, the feeding channel is communicated with the liquid storage cavity, and the air permeable shielding body is higher than the space region defined by the liquid storage cavity in the vertical direction.

[0019] In this way, the liquid storage cavity can be used to store liquid, and the liquid can be mixed with the silk waste. In this way, the silk waste can be prevented from accumulating on the air permeable shielding body, and the negative pressure suction force can be prevented from being reduced after the waste collecting device is operated for a long time. The liquid storage cavity can also ensure that the silk waste mixed with the liquid will not adhere to the surface of the air permeable shielding body again.

[0020] In one of the embodiments, the waste collecting device further includes a liquid supply assembly, and the liquid outlet of the liquid supply assembly is directed to the feeding channel and / or the liquid storage cavity.

[0021] In this way, the liquid supply assembly releases the liquid used to mix the silk waste through the liquid outlet, so that the silk waste can be mixed at the moment when the waste enters the filter chamber, or the waste and the liquid can be mixed in the liquid storage cavity.

[0022] In one of the embodiments, the waste collecting device further includes a waste scraping assembly, and the waste scraping assembly includes:

[0023] a scraping member arranged on the side of the air permeable shielding body away from the negative pressure flow channel;

[0024] a driving member used to drive the scraping member to move along the surface of the air permeable shielding body away from the negative pressure flow channel when the scraping member contacts the air permeable shielding body; and / or

[0025] The air permeable shielding body is detachably installed on the waste collecting device.

[0026] In this way, the waste scraping assembly can actively operate to periodically clean the waste accumulated on the air permeable shielding body, and the sliding contact between the scraping member and the air permeable shielding body can more thoroughly and completely clean the surface of the air permeable shielding body. The air permeable shielding body is arranged in a detachable installation form, which is also beneficial to manual periodic disassembly and cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 FIG. 1 is a perspective view of a waste collecting device according to an embodiment of the present application;

[0028] Figure 2 FIG. 2 is a side view of the waste collecting device shown in FIG. 1; Figure 1

[0029] In this way, the liquid storage cavity can be used to store liquid, and the liquid can be mixed with the silk waste. In this way, the silk waste can be prevented from accumulating on the air permeable shielding body, and the negative pressure suction force can be prevented from being reduced after the waste collecting device is operated for a long time. The liquid storage cavity can also ensure that the silk waste mixed with the liquid will not adhere to the surface of the air permeable shielding body again.

[0020] In one of the embodiments, the waste collecting device further includes a liquid supply assembly, and the liquid outlet of the liquid supply assembly is directed to the feeding channel and / or the liquid storage cavity.

[0021] In this way, the liquid supply assembly releases the liquid used to mix the silk waste through the liquid outlet, so that the silk waste can be mixed at the moment when the waste enters the filter chamber, or the waste and the liquid can be mixed in the liquid storage cavity.

[0022] In one of the embodiments, the waste collecting device further includes a waste scraping assembly, and the waste scraping assembly includes:

[0023] a scraping member arranged on the side of the air permeable shielding body away from the negative pressure flow channel;

[0024] a driving member used to drive the scraping member to move along the surface of the air permeable shielding body away from the negative pressure flow channel when the scraping member contacts the air permeable shielding body; and / or

[0025] The air permeable shielding body is detachably installed on the waste collecting device.

[0026] In this way, the waste scraping assembly can actively operate to periodically clean the waste accumulated on the air permeable shielding body, and the sliding contact between the scraping member and the air permeable shielding body can more thoroughly and completely clean the surface of the air permeable shielding body. The air permeable shielding body is arranged in a detachable installation form, which is also beneficial to manual periodic disassembly and cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 FIG. 1 is a perspective view of a waste collecting device according to an embodiment of the present application;

[0028] Figure 2 FIG. 2 is a side view of the waste collecting device shown in FIG. 1; Figure 1

[0029] In this way, the liquid storage cavity can be used to store liquid, and the liquid can be mixed with the silk waste. In this way, the silk waste can be prevented from accumulating on the air permeable shielding body, and the negative pressure suction force can be prevented from being reduced after the waste collecting device is operated for a long time. The liquid storage cavity can also ensure that the silk waste mixed with the liquid will not adhere to the surface of the air permeable shielding body again.

[0020] In one of the embodiments, the waste collecting device further includes a liquid supply assembly, and the liquid outlet of the liquid supply assembly is directed to the feeding channel and / or the liquid storage cavity.

[0021] In this way, the liquid supply assembly releases the liquid used to mix the silk waste through the liquid outlet, so that the silk waste can be mixed at the moment when the waste enters the filter chamber, or the waste and the liquid can be mixed in the liquid storage cavity.

[0022] In one of the embodiments, the waste collecting device further includes a waste scraping assembly, and the waste scraping assembly includes:

[0023] a scraping member arranged on the side of the air permeable shielding body away from the negative pressure flow channel;

[0024] a driving member used to drive the scraping member to move along the surface of the air permeable shielding body away from the negative pressure flow channel when the scraping member contacts the air permeable shielding body; and / or

[0025] The air permeable shielding body is detachably installed on the waste collecting device.

[0026] In this way, the waste scraping assembly can actively operate to periodically clean the waste accumulated on the air permeable shielding body, and the sliding contact between the scraping member and the air permeable shielding body can more thoroughly and completely clean the surface of the air permeable shielding body. The air permeable shielding body is arranged in a detachable installation form, which is also beneficial to manual periodic disassembly and cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 FIG. 1 is a perspective view of a waste collecting device according to an embodiment of the present application;

[0028] Figure 2 FIG. 2 is a side view of the waste collecting device shown in FIG. 1; Figure 1

[0029] In this way, the liquid storage cavity can be used to store liquid, and the liquid can be mixed with the silk waste. In this way, the silk waste can be prevented from accumulating on the air permeable shielding body, and the negative pressure suction force can be prevented from being reduced after the waste collecting device is operated for a long time. The liquid storage cavity can also ensure that the silk waste mixed with the liquid will not adhere to the surface of the air permeable shielding body again.Figure 3 Fig. 1 is a schematic view of a waste collecting device according to the present application; Figure 2 Fig. 2 is a schematic view of the waste collecting device shown in Fig. 1 along the section plane A-A;

[0030] Figure 4 Fig. 4 is a schematic view of a partial structure of a waste collecting device according to another embodiment of the present application.

[0031] Legend of reference signs:

[0032] 100, waste collecting device; 10, negative pressure flow passage; 20, gas permeable shield; 30, filter bin; 31, filter chamber; 32, gas collecting chamber; 33, feeding passage; 40, waste bin; 50, gas guiding assembly; 60, waste scraping assembly; 61, scraping member; 62, driving member; 70, negative pressure generating device. DETAILED DESCRIPTION

[0033] The technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative work fall within the protection scope of the present application.

[0034] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs. The terminology used in the description of the present application herein only for the purpose of describing specific embodiments and is not intended to limit the present application. The term "or / and" used herein includes any and all combinations of one or more related listed items.

[0035] The present application provides a waste collecting device 100 arranged for a spinning line. In the production process of the spinning line, a large amount of waste yarn is generated in the process of cutting the spinning line into sections. The waste collecting device 100 is used to clean the waste at the location of the yarn bundle cutting device in the process of cutting the spinning line and to collect it, so as to ensure the cleanliness and hygiene of the cutting station. Of course, the waste collecting device 100 can also clean and collect the waste after the cutting of the spinning line is completed.

[0036] Please refer to Figures 1 to 3The waste collecting device 100 comprises a negative pressure flow passage 10 for connecting the negative pressure generating device 70, a filter bin 30, a waste bin 40, and a frame for bearing the above three. The filter bin 30 is provided with a gas-permeable shielding body 20, one end of the negative pressure flow passage 10 extends into the filter bin 30, and the other end is connected to the negative pressure generating device 70. The filter bin 30 further comprises an outwardly extending feeding pipe, which forms a feeding passage 33 connecting the outside and the inside of the filter bin 30. The waste bin 40 is detachably and sealingly connected to the filter bin 30, and the cavities of the two are connected to each other.

[0037] Specifically, the filter bin 30 is in a hollow cylindrical structure, the negative pressure generating device 70 is arranged at one end thereof, and the waste bin 40 is sealingly connected to the other end thereof. The gas-permeable shielding body 20 has fine gaps on the surface to allow air to flow through the surface, but the gaps are small enough to block the waste, such as the waste after cutting the spinning wire, from passing through one side and reaching the other side. Figure 3 The gas-permeable shielding body 20 is in a hollow cylindrical structure, comprising a tubular side wall part and a bottom wall part connected to the side wall part close to the end of the filter bin 30 close to the waste bin 40. The edge of the side wall part away from the end of the filter bin 30 away from the waste bin 40 is sealingly connected to the inner wall of the filter bin 30 away from the end of the filter bin 30 away from the waste bin 40. Thus, the cavity inside the filter bin 30 is divided into two parts by the gas-permeable shielding body 20, i.e. a gas collecting chamber 32 corresponding to the inner cavity formed by the gas-permeable shielding body 20 itself, and a filter chamber 31 formed by the outside of the side wall part and the bottom wall part of the gas-permeable shielding body 20 and the inside of the filter bin 30.

[0038] The filter chamber 31 and the gas collecting chamber 32 are gas-permeable and separated, i.e. they allow air to flow through the gas-permeable shielding body 20 to each other, but do not allow waste to pass through the side wall part and the bottom wall part of the gas-permeable shielding body 20. The feeding passage 33 formed by the feeding pipe directly connects the filter chamber 31, and the filter chamber 31 directly connects the inner cavity of the waste bin 40. The negative pressure flow passage 10 directly connects the inner cavity surrounded by the gas-permeable shielding body 20, i.e. the gas collecting chamber 32. The end of the feeding passage 33 outside the filter bin 30 and the waste bin 40 can be connected to or directly form a waste suction opening, which is directed towards the yarn bundle cutting device, or can be adjusted to be directed towards the yarn bundle cutting device. After starting the negative pressure generating device 70, a low pressure lower than the environment of the waste collecting device 100 is formed in the negative pressure flow passage, and the low pressure environment also exists in the inside of the filter bin 30 and the inside of the waste bin 40. The waste suction opening is directed to the position where the waste is generated, and the waste and the gas near it are sucked into the filter bin 30 together. Then the gas passes through the gas-permeable shielding body 20 and enters the negative pressure generating device 70 through the negative pressure flow passage 10, while the waste of the yarn is blocked by the gas-permeable shielding body 20 and cannot enter the gas collecting chamber 32, and finally falls into the inner cavity of the waste bin 40 from the filter chamber 31.

[0039] It should be noted that simultaneously arranging the filter chamber 31 and the gas collection chamber 32 within the inner cavity of the filter compartment 30 is not a necessary arrangement to achieve the purpose of this invention, but merely a design made to simplify the structure of the waste collection device 100 and reduce the number of components constituting the waste collection device 100. In other embodiments, the filter chamber 31 and the gas collection chamber 32 may also be defined and formed by different devices with inner cavities; furthermore, the inner cavities of the filter chamber 31 and the waste compartment 40 may also be defined and formed by the same device, with each being a separate chamber within that device. Employing mutually independent and sealed connections between the filter compartment 30 and the waste compartment 40 is not a necessary design to achieve the purpose of this invention. It is sufficient that the negative pressure flow channel 10 connects to the space area of ​​the breathable shield 20 facing away from the filter chamber 31, without crossing the breathable shield 20 and thus connecting to the space area of ​​the breathable shield 20 facing the filter chamber 31.

[0040] It is worth noting that, in order to ensure the effectiveness of the breathable shield 20 and prevent some waste yarn from bypassing the breathable shield 20, the outlet of the feed channel 33, that is, the position where the feed channel 33 connects to the inner cavity of the filter chamber 30, must be located in the space area of ​​the breathable shield 20 on the side away from the negative pressure flow channel 10. In other words, the feed pipe can only extend into the filter chamber 31 and cannot extend further into the air collection chamber 32 / the interior of the breathable shield 20.

[0041] Optionally, in other embodiments, the breathable shield 20 need not be used. Figure 3 The hollow cylindrical structure shown, and even the breathable shield 20, can be a planar structure. The breathable shield 20 does not need to enclose a spatial area of ​​a specific shape. It is sufficient to ensure that the breathable shield 20 is located between the filter chamber 31 and the opening of the negative pressure flow channel 10, and to breathably separate the two, thereby ensuring that the filter chamber 31 and the negative pressure flow channel 10 cannot be directly connected. Therefore, the gas collection chamber 32 is not a necessary spatial area in the waste collection device 100, and in other embodiments, the gas collection chamber 32 can be omitted.

[0042] Optional, such as Figure 3 As shown, in some embodiments, the vertical height of the breathable shield 20 is higher than the vertical height of the waste bin 40. This means that even if the amount of waste yarn accumulated in the waste bin 40 reaches its maximum, the waste will not adhere to the surface of the breathable shield 20, thus preventing excessive accumulation of waste from clogging the breathable shield 20.

[0043] See again Figure 3 See also Figure 4In some embodiments, the waste collecting device 100 further comprises a gas guiding assembly 50 arranged on the side of the air-permeable shield 20 opposite to the filtering chamber 31. The gas guiding assembly 50 also allows gas to pass through one side of its wall and reach the other side of the wall. In particular, the gas guiding assembly 50 is provided with a plurality of guiding holes for guiding gas to pass through, and the negative pressure flow passage 10 is connected to the space region on the side of the gas guiding assembly 50 opposite to the air-permeable shield 20. Meanwhile, the guiding holes have a preset hole depth, and the openings of the guiding holes can be projected onto the air-permeable shield 20 along the hole depth direction of the guiding holes. The guiding holes are used to limit / constrain the direction of the velocity of the gas passing through the air-permeable shield 20. When the filtering chamber 31 and the gas collecting chamber 32 are both in a negative pressure state, the direction of the velocity of the gas passing through the air-permeable shield 20 is basically consistent with the hole depth direction of the guiding holes, or has a velocity component along the hole depth direction of the guiding holes. With the increase of the density and the number of the guiding holes, the gas no longer passes through a concentrated region of the air-permeable shield 20, but passes through as many positions of the air-permeable shield 20 as possible. This helps to improve the utilization rate of each part of the air-permeable shield 20, alleviate the degree of local blockage of the air-permeable shield 20 by the yarn waste, and maintain the suction force of the waste collecting device 100 at a high and balanced level.

[0044] Optionally, in order to better adapt to the shape and structure of the filtering bin 30 and the air-permeable shield 20, the gas guiding assembly 50 is in a hollow cylindrical structure, which is arranged inside the air-permeable shield 20 and coaxially arranged with the air-permeable shield 20. The plurality of guiding holes are uniformly arranged on the side wall of the gas guiding assembly 50 and have the same opening shape and size. The hole depth direction of each guiding hole is the radial direction of the gas guiding assembly 50, and each guiding hole can be projected onto the side wall of the air-permeable shield 20 along the hole depth direction. The gas inlet opening of the negative pressure flow passage 10 is directly connected to the inner cavity of the gas guiding assembly 50. In this way, the gas can pass through each position on the side wall of the air-permeable shield 20 at a balanced rate, gather into the gas collecting chamber 32, and finally enter the negative pressure flow passage 10 synchronously. The part of the air-permeable shield 20 used to block the yarn waste is not limited to the position opposite to the feeding passage 33. In particular, in this embodiment, the extension direction of the feeding passage 33 directly connected to the outlet of the filtering chamber 31 is the radial direction of the air-permeable shield 20 / the radial direction of the gas guiding assembly 50, which means that the hole depth direction of at least part of the guiding holes is consistent with the extension direction of the outlet of the feeding passage 33.

[0045] Of course, in other embodiments, the gas guiding assembly 50 does not have to be in the hollow cylindrical structure Figure 3 and Figure 4The hollow cylindrical structure shown, and even the gas drainage component 50, can be a planar structure without necessarily enclosing a spatial region of a specific shape. For example, the shape of the gas drainage component 50 can be the same as or similar to the shape of the breathable shield 20. This is as long as the negative pressure flow channel 10 is directly connected to the side of the gas drainage component 50 facing away from the breathable shield 20, and the opening of any drainage hole can be projected onto the breathable shield 20 along the depth direction of the hole. Furthermore, in some embodiments, the gas drainage component 50 is not a necessary component and can therefore be omitted.

[0046] In one embodiment not shown in the figure, the waste collection device 100 also has a liquid storage chamber. The feed channel 33 can connect to the liquid storage chamber in the area of ​​the breathable shield 20 facing away from the negative pressure flow channel 10. Simultaneously, the liquid storage chamber is directly connected to the inner cavity of the waste bin 40 and the filter chamber 31. Specifically, the breathable shield 20 is vertically higher than the space defined by the liquid storage chamber. The purpose of the liquid storage chamber is to contain liquid mixed with waste filaments. By mixing the waste filaments with the liquid, the waste filaments are prevented from escaping again under the influence of turbulent airflow and adhering to the breathable shield 20, thereby alleviating the blockage of the breathable shield 20 by the waste filaments. The above-described relative positional relationship between the breathable shield 20 and the liquid storage chamber in the vertical direction is intended to prevent waste mixed in the liquid from adhering to or contacting the breathable shield 20 when the liquid storage chamber is full, ensuring the surface of the breathable shield 20 is clean and maintaining its normal air permeability. Because of its lightweight nature, waste yarn will remain in a liquid even with high-velocity external airflow disturbances once it falls into the liquid. This invention does not specifically limit the liquid used for mixing and covering the waste yarn.

[0047] Optionally, the liquid storage chamber can be entirely contained within the inner cavity of the waste bin 40, or it can be directly connected to the inner cavity of the waste bin 40 through a flow channel. In other embodiments, the liquid storage chamber can also be part of the filter chamber 31, as long as the vertical height of the ventilated shield 20 is higher than the space area defined by the liquid storage chamber, thereby ensuring that the ventilated shield 20 does not come into contact with the mixture of liquid and waste when the liquid storage chamber is full.

[0048] Optionally, in some embodiments, the waste collection device 100 may also be provided with a liquid supply component for the liquid storage chamber, the liquid supply component having a liquid outlet pointing towards the feed channel 33 or towards the liquid storage chamber. The liquid supply component may discharge flowing liquid to flush the feed channel 33 or the liquid storage chamber, or it may discharge atomized droplets towards the feed channel 33, the filter chamber 31, or the liquid storage chamber, as long as the liquid can be used to mix and cover the waste.

[0049] In some embodiments, the waste collecting device 100 further comprises a waste scraping assembly 60 for scraping the waste accumulated or covered on the surface of the air-permeable shield 20, ensuring that the air-permeable gap of the surface of the air-permeable shield 20 is not blocked by the waste of the yarn. Referring again to Figure 4 The waste scraping assembly 60 comprises a scraping member 61 arranged on the side of the air-permeable shield 20 opposite to the negative pressure flow passage 10 (hereinafter referred to as the to-be-cleaned side of the air-permeable shield 20), and a driving member 62 connected to and capable of driving the scraping member 61 to move along the surface of the air-permeable shield 20. The shape of the side of the scraping member 61 close to the air-permeable shield 20 is adapted to the shape of the surface of the to-be-cleaned side of the air-permeable shield 20. With the scraping member 61 contacting the to-be-cleaned side of the air-permeable shield 20, a sliding friction is generated between the scraping member 61 and the to-be-cleaned side of the air-permeable shield 20, and the scraped waste of the yarn directly falls into the waste bin 40. In this embodiment, in order to adapt to the shape of the air-permeable shield 20, the scraping member 61 is provided with a through hole for sleeving the air-permeable shield 20, the inner wall of the through hole of the scraping member 61 directly contacts the outer side of the side wall portion of the air-permeable shield 20, the shape of the through hole is adapted to the radial cross-sectional shape of the air-permeable shield 20, and the driving member 62 drives the scraping member 61 to move in the axial direction of the air-permeable shield 20.

[0050] In some embodiments, the air-permeable shield 20 can be detachably installed in the waste collecting device 100, which facilitates the disassembly of the air-permeable shield 20 for cleaning, maintenance or replacement.

[0051] The technical features of the above embodiments can be combined in any manner. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combinations of the technical features do not contradict each other, they should be considered within the scope of the present disclosure.

[0052] Those skilled in the art should understand that the above embodiments are only used to illustrate the present application, but not as a limitation of the present application, and any appropriate changes and modifications made to the above embodiments within the spirit and principles of the present application shall fall within the scope of the present application.

Claims

1. A waste collection device for collecting waste generated from cutting wire bundles, characterized in that, The waste collecting device comprises a negative pressure flow passage (10), a gas-permeable shield (20), a filtering chamber (31) and a waste bin (40); The negative pressure flow passage (10) is connected with a negative pressure generating device (70) and a space area on the side of the gas-permeable shield (20) opposite to the filtering chamber (31), the filtering chamber (31) is connected with the inner cavity of the waste bin (40) and has a feeding passage (33) extending to a waste bundle cutting device; The waste collecting device further comprises a gas drainage assembly (50) provided with a plurality of drainage holes, the negative pressure flow passage (10) is connected with the side of the gas drainage assembly (50) opposite to the gas-permeable shield (20), the waste collecting device further comprises a gas collecting chamber (32) provided on the side of the gas-permeable shield (20) opposite to the filtering chamber (31), the gas collecting chamber (32) is connected with the negative pressure flow passage (10) and is gas-permeable separated from the filtering chamber (31) through the gas-permeable shield (20); The waste collecting device further comprises a waste scraping assembly (60), the waste scraping assembly (60) comprises a scraping member (61), the scraping member (61) contacts and slides against the side of the gas-permeable shield (20) opposite to the negative pressure flow passage (10).

2. The waste collection apparatus of claim 1, wherein, The vertical height of the gas-permeable shield (20) is higher than the vertical height of the waste bin (40).

3. The waste collection apparatus of claim 1, wherein, The opening of any one of the drainage holes can project on the gas-permeable shield (20) along the hole depth direction of the drainage hole.

4. The waste collection apparatus of any one of claims 1 to 3, wherein, The waste collecting device comprises a filtering bin (30), the waste bin (40) is detachably and sealingly connected with the filtering bin (30); The gas-permeable shield (20) is arranged in the filtering bin (30) and separates the inner cavity of the filtering bin (30) into two areas, wherein the area adjacent to the waste bin (40) forms the filtering chamber (31), and the other area is connected with the negative pressure flow passage (10) and forms the gas collecting chamber (32).

5. The waste collection apparatus of claim 4, wherein, The edge of the gas-permeable shield (20) is sealingly connected with the inner wall of the filtering bin (30).

6. The waste collection apparatus of claim 1, wherein, The waste collecting device further has a liquid storage cavity, the feeding passage (33) is connected with the liquid storage cavity, and the gas-permeable shield (20) is higher than the space area defined by the liquid storage cavity in the vertical direction.

7. The waste collection apparatus of claim 6, wherein, The waste collecting device further comprises a liquid supply assembly, the liquid outlet of the liquid supply assembly is directed to the feeding passage (33) and / or the liquid storage cavity.

8. The waste collection apparatus of claim 1, wherein, The waste scraping assembly (60) further comprises a driving member (62), the driving member (62) is used to drive the scraping member (61) to move along the surface of the side of the gas-permeable shield (20) opposite to the negative pressure flow passage (10) when the scraping member (61) contacts the gas-permeable shield (20); and / or, The gas-permeable shield (20) is detachably installed on the waste collecting device.

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