A device for cutting and separating the outer sheath of enameled wire for recycling

Abstract

This invention relates to a separation device, and more particularly to an outer sheath cutting and separating device for enameled wire recycling. The invention provides an outer sheath cutting and separating device for enameled wire recycling that allows for blade height adjustment, facilitating the cutting of various types of enameled wire. The device includes a mounting frame, a guide cylinder, and a first guide frame. A guide cylinder for guiding the enameled wire is fixedly mounted on the upper left of the mounting frame, and the first guide frame is fixedly mounted on the right side of the mounting frame. By pulling a handwheel up and down, the operator moves a threaded sleeve up and down, adjusting the cutting blade to a suitable position. The enameled wire continues to move to the right and contacts the cutting blade. Under the action of the two cutting blades, the insulation layer of the enameled wire is cut. The insulation layer is transported under the action of the first guide wheel, and the operator collects the insulation layer, thereby achieving the cutting and separation of the enameled wire's outer sheath.

Description

Technical Field

[0001] This invention relates to a separation device, and more particularly to an outer sheath cutting and separation device for enameled wire recycling. Background Technology

[0002] Enameled wire is a major raw material for products such as motors, electrical appliances and household appliances. Scrap enameled wire needs to be recycled, and the insulation layer of the enameled wire needs to be removed before recycling.

[0003] Patent publication number CN216289928U discloses a stripping device for the insulation layer of enameled wire. This stripping device includes a fixing mechanism and a stripping mechanism. The fixing mechanism includes a turntable and a fixing fixture, with the fixing fixture mounted on the turntable and rotating with it. The stripping mechanism includes a stripping motor and a stripping blade, with the stripping blade mounted on the stripping motor and close to the fixing fixture, and rotating under the drive of the stripping motor. Using this stripping device to remove the insulation layer from enameled wire can effectively improve removal efficiency and does not damage the enameled wire during the removal process. However, this stripping device lacks the function of adjusting the blade height, making it inconvenient to cut the insulation layers of enameled wires of varying sizes.

[0004] Therefore, there is a need to design a device for cutting and separating the outer sheath of enameled wires for recycling, which allows for adjustment of the blade height and facilitates the cutting of various types of enameled wires. Summary of the Invention

[0005] In order to overcome the shortcomings of existing stripping devices that do not have the function of adjusting the height of the blade, thus making it inconvenient to cut the insulation layer of enameled wires of different sizes, the technical problem of the present invention is to provide an outer sheath cutting and separating device for enameled wire recycling that can adjust the height of the blade and facilitate the cutting of various types of enameled wires.

[0006] The technical implementation of the present invention is as follows: a device for cutting and separating the outer sheath of enameled wire for recycling, comprising a mounting frame, a guide cylinder, a first guide frame, a guide rail, a threaded sleeve, an arc-shaped block, a cutting blade, an adjustment mechanism, and a separation mechanism. A guide cylinder for guiding the enameled wire is fixedly installed on the upper left side of the mounting frame, and a first guide frame is fixedly installed on the right side of the mounting frame. Guide rails are symmetrically fixedly installed at the top and bottom right sides of the mounting frame. A threaded sleeve is slidably installed between two adjacent guide rails. A cutting blade for cutting the insulation layer of the enameled wire is fixedly installed in the middle of the threaded sleeve. An arc-shaped block for peeling the insulation layer is symmetrically fixedly installed on the left side of the cutting blade. An adjustment mechanism for adjusting the height of the cutting blade is provided on the threaded sleeve. A separation mechanism for separating the wire core and insulation layer of the enameled wire is provided in the middle of the mounting frame.

[0007] More preferably, the adjusting mechanism includes a screw, a handwheel, a first pad, and a second pad. The screw is threaded on both the front and rear sides of the threaded sleeve. The handwheel is fixedly installed on the outer end of the screw. The first pad is fitted on the outer end of the screw and contacts the outer side of the adjacent guide rail. The second pad is fitted on the outer end of the screw and is located inside the first pad. The second pad contacts the inner side of the adjacent guide rail.

[0008] More preferably, the separation mechanism includes a pry block, a mounting block, a servo motor, and a first guide wheel. The left side of the cutting blade is symmetrically fixed with pry blocks that can separate the wire core of the enameled wire from the insulation layer. Mounting blocks are fixedly installed on both the front and rear sides of the upper left side of the mounting frame. A servo motor is fixedly installed on the top of the front mounting block. The two mounting blocks are rotatably equipped with first guide wheels that can guide the insulation layer. The first guide wheel on the right side is connected to the output shaft of the servo motor through a coupling.

[0009] More preferably, it also includes a compression mechanism that can limit the enameled wire. The compression mechanism includes a support frame, a slide rod, a second guide wheel, a wedge block, and a first elastic element. The support frame is fixedly installed on the left side of the mounting frame. The slide rod is slidably installed on the support frame. The second guide wheel is rotatably installed on the slide rod. The wedge blocks are symmetrically fixedly installed on the slide rod. The first elastic element is connected between the top front and rear sides of the slide rod and the upper part of the support frame.

[0010] More preferably, it also includes a pushing mechanism capable of pushing the wedge block downward to limit the enameled wire. The pushing mechanism includes a first fixed block, a push block, a fixed frame, a first pushing frame, a second guide frame, a second pushing frame, and a second elastic element. The first guide frame has a first fixed block fixedly installed on both the front and rear sides of its left side. A push block is slidably installed on the first fixed block. The lower part of the push block is located between the upper and lower push blocks. The bottom of the upper cutting blade is symmetrically fixedly installed with a fixed frame. The first pushing frame is slidably installed on the fixed frame. When the push block slides to the right, it will contact the first pushing frame. The upper left side of the mounting frame is symmetrically fixedly installed with a second guide frame. The second pushing frame is slidably installed on the second guide frame. When the first pushing frame slides upward, it will contact the second pushing frame. When the second pushing frame slides to the left, it will contact the wedge block. A second elastic element is connected between the lower part of the first pushing frame and the bottom of the adjacent fixed frame.

[0011] More preferably, it also includes a cutting mechanism capable of cutting the enameled wire. The cutting mechanism includes a second fixed block, a sliding frame and a blade. The second fixed block is fixedly installed on the upper right part of the mounting frame, the sliding frame is slidably installed on the second fixed block, and the blade capable of cutting the core of the enameled wire is fixedly installed on the lower part of the sliding frame.

[0012] More preferably, it also includes a collection mechanism for collecting the cores of the enameled wire. The collection mechanism includes a guide sleeve, a slide rail, and a collection frame. A guide sleeve is fixedly installed on the right side of the first guide frame, and slide rails are fixedly installed on both the front and rear sides of the right side of the mounting frame. A collection frame for collecting the cores of the enameled wire is slidably installed between the two slide rails.

[0013] More preferably, the collection box is made of stainless steel.

[0014] Based on the above description of the structure of the present invention, the design starting point, concept and advantages of the present invention are as follows: 1. The operator pulls the handwheel up and down to drive the threaded sleeve to slide up and down, so that the cutting blade moves up and down to adjust to a suitable position. The enameled wire continues to move to the right and contacts the cutting blade. Under the action of the upper and lower cutting blades, the insulation layer of the enameled wire is cut. Under the action of the first guide wheel, the insulation layer is transported. The operator collects the insulation layer, thereby realizing the cutting and separation of the outer sheath of the enameled wire.

[0015] 2. The insulation layer extrusion pusher slides to the right, which allows the second guide wheel to move downward to position the enameled wire, thereby preventing the enameled wire from bending and affecting the cutting.

[0016] 3. The staff pushes the sliding frame backward, which causes the blade to move backward and cut the core of the enameled wire, thus cutting the core of the enameled wire for easy collection by the staff.

[0017] 4. The guide sleeve guides the wire core, which then enters the collection frame for centralized collection. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0019] Figure 2 This is a partial three-dimensional structural schematic diagram of the present invention.

[0020] Figure 3 This is a three-dimensional structural diagram of the adjustment mechanism of the present invention.

[0021] Figure 4 This is a partial three-dimensional structural schematic diagram of the adjustment mechanism of the present invention.

[0022] Figure 5 This is a three-dimensional structural diagram of the separation mechanism of the present invention.

[0023] Figure 6 This is a three-dimensional structural diagram of the extrusion mechanism of the present invention.

[0024] Figure 7 This is a three-dimensional structural diagram of the actuating mechanism of the present invention.

[0025] Figure 8 This is an enlarged view of Part A of the present invention.

[0026] Figure 9 This is a three-dimensional structural diagram of the first part of the cutting mechanism of the present invention.

[0027] Figure 10 This is a schematic diagram of the second part of the cutting mechanism of the present invention.

[0028] Figure 11 This is a schematic diagram of the first partial three-dimensional structure of the collecting mechanism of the present invention.

[0029] Figure 12 This is a schematic diagram of the second part of the collecting mechanism of the present invention.

[0030] The above-mentioned figures include the following reference numerals: 1. Mounting bracket; 2. Guide cylinder; 3. First guide frame; 4. Guide rail; 5. Threaded sleeve; 6. Arc block; 7. Cutting blade; 8. Adjusting mechanism; 801. Screw; 802. Handwheel; 803. First pad; 804. Second pad; 9. Separation mechanism; 901. Pulley; 902. Mounting block; 903. Servo motor; 904. First guide wheel; 10. Extrusion mechanism; 1001. Support frame; 1002. Slide rod; 1003. Second guide wheel. 1004. Wedge block, 1005. First elastic element, 11. Pushing mechanism, 1101. First fixed block, 1102. Push block, 1103. Fixed frame, 1104. First pushing frame, 1105. Second guide frame, 1106. Second pushing frame, 1107. Second elastic element, 12. Cutting mechanism, 1201. Second fixed block, 1202. Sliding frame, 1203. Blade, 13. Collecting mechanism, 1301. Guide sleeve, 1302. Slide rail, 1303. Collecting frame. Detailed Implementation

[0031] The technical solutions in the embodiments of the present invention will be clearly and completely described below. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] Example 1

[0033] Please see Figures 1-5A device for cutting and separating the outer sheath of enameled wire for recycling includes a mounting frame 1, a guide cylinder 2, a first guide frame 3, a guide rail 4, a threaded sliding sleeve 5, an arc-shaped block 6, a cutting blade 7, an adjustment mechanism 8, and a separation mechanism 9. The guide cylinder 2 is fixedly installed on the upper left of the mounting frame 1, which guides the enameled wire. The first guide frame 3 is fixedly installed on the right side of the mounting frame 1. The guide rail 4 is symmetrically fixed at the top and bottom right of the mounting frame 1. A threaded sliding sleeve 5 is slidably installed between two adjacent guide rails 4. The cutting blade 7 is fixedly installed in the middle of the threaded sliding sleeve 5, which can cut the insulation layer of the enameled wire. An arc-shaped block 6 is symmetrically fixed on the left side of the cutting blade 7, which can peel off the insulation layer. An adjustment mechanism 8 is installed on the threaded sliding sleeve 5, which can adjust the height of the cutting blade 7. The separation mechanism 9 is installed in the middle of the mounting frame 1, which can separate the wire core of the enameled wire from the insulation layer.

[0034] Please see Figures 3-4 The adjusting mechanism 8 includes a screw 801, a handwheel 802, a first pad 803, and a second pad 804. The threaded sleeve 5 has screws 801 threaded on both the front and rear sides. The handwheel 802 is welded to the outer end of the screw 801. The first pad 803 is sleeved on the outer end of the screw 801 and contacts the outer side of the adjacent guide rail 4. The second pad 804 is sleeved on the outer end of the screw 801 and is located inside the first pad 803. The second pad 804 contacts the inner side of the adjacent guide rail 4.

[0035] Please see Figure 5 The separation mechanism 9 includes a pry block 901, a mounting block 902, a servo motor 903, and a first guide wheel 904. The pry block 901 is symmetrically fixed on the left side of the cutting blade 7. The pry block 901 can separate the wire core of the enameled wire from the insulation layer. Mounting blocks 902 are welded to the front and rear sides of the upper left side of the mounting frame 1. The servo motor 903 is fixedly mounted on the top of the front mounting block 902. The first guide wheel 904 is rotatably mounted on both mounting blocks 902. The first guide wheel 904 can guide the insulation layer. The first guide wheel 904 on the right side is connected to the output shaft of the servo motor 903 through a coupling.

[0036] When it is necessary to cut and separate the insulation layer of the enameled wire, the worker inserts the enameled wire into the guide cylinder 2. After insertion, the worker turns the handwheel 802 to drive the screw 801 to rotate. The screw 801 rotates and moves outward, causing the first pad 803 and the second pad 804 to no longer clamp the guide rail 4. At this time, the worker pulls the handwheel 802 up and down to drive the threaded sleeve 5 to slide up and down. The sliding of the threaded sleeve 5 causes the cutting blade 7 to move up and down to adjust to the appropriate position. After adjustment, the worker reverses the handwheel 802 to drive the screw 801 to move inward in the opposite direction to reset it. The inward movement of the screw 801 causes the first pad 803 and the second pad 804 to clamp the guide rail 4 and limit the threaded sleeve 5, thereby adjusting the height of the cutting blade 7. After adjustment, the worker starts the servo motor 903. The output shaft of the servo motor 903 rotates... The first guide wheel 904 on the right rotates, at which point the operator pushes the enameled wire to the right. The enameled wire moves to the right and contacts the first guide wheel 904 on the right. Under the action of the rotation of the first guide wheel 904 on the right, the enameled wire continues to move to the right. Under the action of friction, the enameled wire drives the first guide wheel 904 on the left to rotate. The enameled wire continues to move to the right and contacts the cutting blade 7. Under the action of the upper and lower cutting blades 7, the insulation layer of the enameled wire is cut. At the same time, under the action of the arc block 6, the cut insulation layer is peeled off. The insulation layer then passes through the position between the toggle block 901 and the first guide wheel 904. Under the action of the first guide wheel 904, the insulation layer is transported. The operator collects the insulation layer, thereby realizing the cutting and separation of the outer sheath of the enameled wire. After use, the operator turns off the servo motor 903 to stop the operation.

[0037] Example 2

[0038] Please see Figure 1 and Figure 6 Based on Embodiment 1, it also includes a pressing mechanism 10, which can limit the enameled wire. The pressing mechanism 10 includes a support frame 1001, a slide rod 1002, a second guide wheel 1003, a wedge block 1004, and a first elastic element 1005. The support frame 1001 is welded to the left side of the mounting frame 1. The slide rod 1002 is slidably arranged on the support frame 1001. The second guide wheel 1003 is rotatably arranged on the slide rod 1002. The wedge blocks 1004 are symmetrically welded to the slide rod 1002. The first elastic element 1005 is connected between the top front and rear sides of the slide rod 1002 and the upper part of the support frame 1001.

[0039] Please see Figure 1 , Figure 7 and Figure 8It also includes a pushing mechanism 11, which can push the wedge block 1004 downward to limit the enameled wire. The pushing mechanism 11 includes a first fixing block 1101, a push block 1102, a fixing frame 1103, a first push frame 1104, a second guide frame 1105, a second push frame 1106, and a second elastic member 1107. The first guide frame 3 has the first fixing block 1101 welded to both the front and rear sides of its left side. The push block 1102 is slidably arranged on the first fixing block 1101. The lower part of the push block 1102 is located between the upper and lower pry blocks 901. The bottom of the upper cutting blade 7 is aligned front and rear. The mounting bracket 1103 is welded to a fixed frame 1103. A first pusher 1104 is slidably mounted on the fixed frame 1103. When the pusher 1102 slides to the right, it will contact the first pusher 1104. A second guide frame 1105 is symmetrically fixed on the upper left side of the mounting bracket 1. A second pusher 1106 is slidably mounted on the second guide frame 1105. When the first pusher 1104 slides upward, it will contact the second pusher 1106. When the second pusher 1106 slides to the left, it will contact the wedge block 1004. A second elastic element 1107 is connected between the lower part of the first pusher 1104 and the bottom of the adjacent fixed frame 1103.

[0040] The insulating layer passes through the position between the push block 901 and the first guide wheel 904, pressing the push block 1102 to slide to the right. The push block 1102 slides to the right, pressing the first push frame 1104 to slide upward. The second elastic element 1107 is compressed accordingly. The first push frame 1104 slides upward, pressing the second push frame 1106 to slide to the left. The second push frame 1106 slides to the left, pressing the wedge block 1004 to move downward. The wedge block 1004 moves downward, causing the slide rod 1002 to slide downward. The first elastic element 1005 is stretched accordingly. The slide rod 1002 moves downward, causing the second guide wheel 1003 to move downward, limiting the enameled wire. The enameled wire moves to the right, and under the action of friction, it drives the second guide wheel 1003 to rotate. Under the action of 003, the enameled wire can be positioned to prevent the wire from bending and affecting the cutting. When the insulation layer no longer squeezes the push block 1102, the second elastic element 1107 resets and drives the first push frame 1104 to slide down and reset. The first push frame 1104 slides down and squeezes the push block 1102 to slide to the left and reset. The first push frame 1104 slides down and no longer squeezes the second push frame 1106. The first elastic element 1005 resets and drives the slide rod 1002 to slide up and reset. The slide rod 1002 slides up and the wedge block 1004 moves up and resets. The slide rod 1002 slides up and moves up and squeezes the second push frame 1106 to slide to the right and reset. The slide rod 1002 slides up and drives the second guide wheel 1003 to move up and reset.

[0041] Please see Figure 1 , Figure 9 and Figure 10It also includes a cutting mechanism 12, which can cut the enameled wire. The cutting mechanism 12 includes a second fixing block 1201, a sliding frame 1202 and a blade 1203. The second fixing block 1201 is welded to the upper right part of the mounting frame 1. The sliding frame 1202 is slidably arranged on the second fixing block 1201. The blade 1203 is fixedly arranged at the lower part of the sliding frame 1202. The blade 1203 can cut the wire core of the enameled wire.

[0042] When it is necessary to cut the core of the enameled wire, the worker pushes the sliding frame 1202 to slide backward. The sliding frame 1202 slides backward, causing the blade 1203 to move backward and cut the core of the enameled wire. This cuts the core of the enameled wire, making it easier for the worker to collect. After cutting, the worker pulls the sliding frame 1202 forward to reset it, and the blade 1203 moves forward to reset it as well.

[0043] Please see Figure 1 , Figure 11 and Figure 12 It also includes a collection mechanism 13, which can collect the core of the enameled wire. The collection mechanism 13 includes a guide sleeve 1301, a slide rail 1302 and a collection frame 1303. The guide sleeve 1301 is welded to the right side of the first guide frame 3. The slide rail 1302 is fixedly installed on both the front and rear sides of the right side of the mounting frame 1. The collection frame 1303 is slidably installed between the two slide rails 1302. The collection frame 1303 can collect the core of the enameled wire. The collection frame 1303 is made of stainless steel.

[0044] After the wire cores are stripped, they pass through the guide sleeve 1301. Under the action of the guide sleeve 1301, the wire cores are guided and then enter the collection frame 1303 for centralized collection. When a certain amount of wire cores are collected inside the collection frame 1303, the staff cuts the wire cores and then pulls the collection frame 1303 to slide to the right to remove and collect the wire cores inside. After collection is completed, the staff pushes the collection frame 1303 to slide to the left to reset. Since the collection frame 1303 is made of stainless steel, it has a certain anti-corrosion and anti-rust function, which can increase its service life.

[0045] It should be understood that the above description is for illustrative purposes only and is not intended to limit the invention. Those skilled in the art will understand that variations of the invention are included within the scope of the claims herein.

Claims

1. A device for cutting and separating the outer sheath of enameled wire for recycling, comprising a mounting frame (1), a guide cylinder (2), a first guide frame (3), a guide rail (4), a threaded sleeve (5), an arc-shaped block (6), and a cutting blade (7), wherein the upper left part of the mounting frame (1) is fixedly provided with a guide cylinder (2) for guiding the enameled wire, the right side of the mounting frame (1) is fixedly provided with a first guide frame (3), the top and bottom right sides of the mounting frame (1) are symmetrically provided with guide rails (4), a threaded sleeve (5) is slidably provided between two adjacent guide rails (4), a cutting blade (7) for cutting the insulation layer of the enameled wire is fixedly provided in the middle of the threaded sleeve (5), and an arc-shaped block (6) for peeling off the insulation layer is symmetrically provided on the left side of the cutting blade (7), characterized in that, It also includes an adjustment mechanism (8) and a separation mechanism (9). The threaded sleeve (5) is provided with an adjustment mechanism (8) that can adjust the height of the cutting blade (7). The mounting bracket (1) is provided with a separation mechanism (9) that can separate the wire core of the enameled wire from the insulation layer. The adjustment mechanism (8) includes a screw (801), a handwheel (802), a first pad (803), and a second pad (804). The screw (801) is threaded on both the front and rear sides of the threaded sleeve (5). The handwheel (802) is fixedly installed on the outer end of the screw (801). The first pad (803) is sleeved on the outer end of the screw (801). The first pad (803) contacts the outer side of the adjacent guide rail (4). The second pad (804) is sleeved on the outer end of the screw (801). The second pad (804) is located inside the first pad (803). The second pad (804) contacts the inner side of the adjacent guide rail (4). The separation mechanism (9) includes a paddle (901), a mounting block (902), a servo motor (903), and a first guide wheel (904). The cutting blade (7) has paddles (901) symmetrically fixed on its left side, capable of separating the wire core from the insulation layer. Mounting blocks (902) are fixedly installed on both the front and rear sides of the upper left side of the mounting bracket (1). A servo motor (903) is fixedly installed on the top of the front mounting block (902). First guide wheels (904) capable of guiding the insulation layer are rotatably installed on both mounting blocks (902). The right first guide wheel (904) is connected to the output shaft of the servo motor (903) via a coupling. It also includes a mechanism capable of... A compression mechanism (10) for limiting the enameled wire. The compression mechanism (10) includes a support frame (1001), a slide rod (1002), a second guide wheel (1003), a wedge block (1004), and a first elastic element (1005). The support frame (1001) is fixedly installed on the left side of the mounting frame (1). The slide rod (1002) is slidably installed on the support frame (1001). The second guide wheel (1003) is rotatably installed on the slide rod (1002). The wedge block (1004) is symmetrically fixedly installed on the slide rod (1002). The first elastic element (1005) is connected between the top front and rear sides of the slide rod (1002) and the upper part of the support frame (1001). It also includes a pushing mechanism (11) that can push the wedge block (1004) downward to limit the enameled wire. The pushing mechanism (11) includes a first fixed block (1101), a push block (1102), a fixed frame (1103), a first push frame (1104), a second guide frame (1105), a second push frame (1106), and a second elastic element (1107). The first guide frame (3) has a first fixed block (1101) fixedly installed on both the front and rear sides of the left side. The push block (1102) is slidably installed on the first fixed block (1101). The lower part of the push block (1102) is located between the upper and lower push blocks (901). The bottom of the upper cutting blade (7) is symmetrically fixed. A fixed frame (1103) is fixedly provided, and a first push frame (1104) is slidably provided on the fixed frame (1103). When the push block (1102) slides to the right, it will contact the first push frame (1104). A second guide frame (1105) is fixedly provided symmetrically on the upper left side of the mounting frame (1). A second push frame (1106) is slidably provided on the second guide frame (1105). When the first push frame (1104) slides upward, it will contact the second push frame (1106). When the second push frame (1106) slides to the left, it will contact the wedge block (1004). A second elastic element (1107) is connected between the lower part of the first push frame (1104) and the bottom of the adjacent fixed frame (1103).

2. The outer sheath cutting and separating device for enameled wire recycling according to claim 1, characterized in that, It also includes a cutting mechanism (12) capable of cutting enameled wire. The cutting mechanism (12) includes a second fixing block (1201), a sliding frame (1202) and a blade (1203). The second fixing block (1201) is fixedly installed on the upper right part of the mounting frame (1). The sliding frame (1202) is slidably installed on the second fixing block (1201). The blade (1203) capable of cutting the core of the enameled wire is fixedly installed on the lower part of the sliding frame (1202).

3. The outer sheath cutting and separating device for enameled wire recycling according to claim 2, characterized in that, It also includes a collection mechanism (13) capable of collecting the core of the enameled wire. The collection mechanism (13) includes a guide sleeve (1301), a slide rail (1302) and a collection frame (1303). The guide sleeve (1301) is fixedly installed on the right side of the first guide frame (3). The slide rail (1302) is fixedly installed on both the front and rear sides of the right side of the mounting frame (1). The collection frame (1303) capable of collecting the core of the enameled wire is slidably installed between the two slide rails (1302).

4. The outer sheath cutting and separating device for enameled wire recycling according to claim 3, characterized in that, The collection box (1303) is made of stainless steel.

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