Self-cleaning scrap iron recovery device

Abstract

The invention belongs to the technical field of scrap iron cleaning and recycling, and discloses a self-cleaning scrap iron recycling device which comprises a cleaning tank, a top cover is mounted at the top of the cleaning tank, a pair of handles are fixedly connected to the top of the top cover, and a stamping spray pipe is fixedly connected to the inner surface of the top of the top cover. The vibration is conducted to the arc top vibration plate through the vibrator, through the hexagonal design of the honeycomb holes, transverse contraction and concentrated vibration energy conduction paths when the arc top vibration plate is pressed are achieved, the hexagonal honeycomb structure is stable, the arc top vibration plate is not prone to breakage, and the vibration energy conduction path is concentrated. Therefore, the circular pipes in the honeycomb holes can uniformly receive vibration, hardened soil blocks are separated from pipe walls, further cleaning of the soil blocks is facilitated, meanwhile, the cleaning tank keeps a relatively sealed state for soil removal, and dust pollution can be effectively avoided.

Description

Technical Field

[0001] The invention belongs to the technical field of scrap iron cleaning and recycling, and in particular relates to a self-cleaning scrap iron recycling device. Background Art

[0002] The scrap iron recycling process mainly collects scrap steel and iron raw materials, and produces high-quality scrap steel blocks and scrap steel particles through a series of refined processing steps such as radiation detection, weighing, unloading, manual sorting, shearing, and packaging. There are various types of scrap steel and iron raw materials. Among them, when recycling scrap iron of highway guardrails, since the pipe body is inserted into the soil for installation, the compacted soil blocks in the pipe body must be cleaned through the cleaning module before weighing to avoid a major impact on subsequent processing.

[0003] In the existing technology, the cleaning method for high-speed guardrail posts is to first use a high-frequency vibration hammer to strongly impact the circular tube posts, destroying the compacted soil structure through high-frequency vibration of 800 to 1200 times per minute, and then switch to a hydraulic breaker for low-frequency and high-amplitude beating, further crushing the lumps with an impact energy of 3 to 5kJ, and finally use a multi-claw hydraulic shearing device to grab and peel off the loose soil blocks. Although this three-stage process can effectively remove compacted soil, cement lumps and other stubborn dirt attached to the inner wall of the guardrail circular tube, its extensive operation mode has the following problems: There are significant shortcomings in environmental governance. First, open operations lead to unorganized dust emissions, and traditional spray dust reduction measures are difficult to effectively cover due to the dynamic changes in the working surface. Second, rigid impact operations cause structural noise, and low-frequency vibrations are transmitted through the foundation to form secondary noise pollution. Third, extensive stripping causes material splashing, increasing secondary cleaning costs. From the perspective of operating efficiency, the average processing time for a single column is 12 to 15 minutes. Taking diesel as an example, the comprehensive energy consumption of the equipment is about 0.8L / min, so it shows significant scale inefficiency in batch processing. Summary of the Invention

[0004] In order to solve the problems of low efficiency and heavy pollution of traditional cleaning of highway guardrail posts raised in the above background technology, the present invention provides a self-cleaning scrap iron recovery device.

[0005] To achieve the above-mentioned object, the present invention provides the following technical solution: a self-cleaning scrap iron recovery device, comprising a cleaning tank, a top cover installed on the top of the cleaning tank, a pair of handles fixedly connected to the top of the top cover, a stamping nozzle fixedly connected to the inner surface of the top of the top cover, and a water inlet of the stamping nozzle fixedly passing through the top of the top cover, a sewage outlet opened at the bottom of the cleaning tank, and further comprising: a centralized cleaning mechanism, the centralized cleaning mechanism being located in the middle and upper part of the inner cavity of the cleaning tank; an auxiliary scattering mechanism, the auxiliary scattering mechanism being located in the middle and lower part of the inner cavity of the cleaning tank;

[0006] Among them, the centralized cleaning mechanism includes an arc top vibration plate, on which a number of honeycomb holes are evenly opened. The hexagonal design of the honeycomb holes allows the arc top vibration plate to contract laterally when under pressure, thereby concentrating the vibration energy conduction path. The circular tubes located in the honeycomb holes can all receive vibration evenly, separating the compacted soil blocks from the tube walls, making it easier to further clean the soil blocks.

[0007] Preferably, the centralized cleaning mechanism further comprises a vibrator fixedly connected to the center of the middle portion of the arc top vibration plate, and a plurality of clamping plates are fixedly connected to the bottom of the arc top vibration plate at equal intervals around the circumference.

[0008] Preferably, the outer walls of the plurality of said snap-in plates are all sleeved with rubber sleeves, and the snap-in plates are clamped with the slot plates through the rubber sleeves, and the snap-in plates, rubber sleeves and the middle part of the slot plates are fixed together by positioning bolts, and the snap-in plates are subjected to broadband vibration absorption by the viscoelastic damping characteristics of the rubber sleeves, and the initial vibration energy is converted into heat energy dissipation by utilizing the hysteresis phase change characteristics of the polymer, and when the second order is transmitted to the slot plate, the truss structure of the herringbone top plate produces a nonlinear damping effect, and the vibration wave is decomposed into low-amplitude harmonics in a multi-directional stress dispersion manner, and the third order is achieved through the deformation of the coil spring, and the friction between the spring wire turns and the elastic hysteresis characteristics are utilized to achieve secondary energy attenuation, and the residual vibration is ultimately filtered through the microporous energy absorption structure of the buffer pad, and its honeycomb closed-cell foam material can absorb vibration waves in a specific frequency band.

[0009] Preferably, the outer side walls of the plurality of slot plates are fixedly connected to the herringbone top plate, the bottoms of the plurality of herringbone top plates are fixedly connected to guide rods, the outer walls of the plurality of guide rods are movably sleeved with ramp blocks, and the side walls of the plurality of ramp blocks are fixedly connected to the inner cavity of the cleaning tank.

[0010] Preferably, the outer walls of the guide rods are sleeved with coil springs, and the herringbone top plate is elastically connected to the ramp block via the coil springs.

[0011] Preferably, a buffer pad is fixedly connected to the inner cavity of the cleaning tank, and the herringbone top plates are all located on the inner side of the buffer pad in a spaced-apart manner.

[0012] Preferably, the auxiliary breaking up mechanism comprises a mounting ring plate fixedly connected to the lower middle portion of the inner cavity of the cleaning tank, and a support net is fixedly connected to the inner side of the mounting ring plate.

[0013] Preferably, both the outer ring and the inner ring of the support net are provided with through holes, and a plurality of bases are fixedly connected to the top of the support net.

[0014] Preferably, the tops of the plurality of bases are all connected to pointed poking rods via boss threads, and the upper ends of the plurality of pointed poking rods are all fixedly connected to a plurality of conical blocks in an obliquely upward manner.

[0015] Preferably, the distribution positions of the base and the pointed poking rod are consistent with the positions of the honeycomb holes.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] The present invention facilitates the uniform vibration of the circular tubes in the device by arranging the coordination of the arc top vibration plate and the honeycomb holes, thereby breaking up the compacted soil blocks in the tubes, and adopts a vibrator to transmit the vibration to the arc top vibration plate. The hexagonal design of the honeycomb holes enables the arc top vibration plate to shrink laterally when under pressure, thereby concentrating the vibration energy transmission path, and the hexagonal honeycomb structure is stable, making the arc top vibration plate not easy to break, thereby improving durability. Therefore, the circular tubes in the honeycomb holes can all receive vibration uniformly, so that the compacted soil blocks are separated from the tube walls, which is convenient for further cleaning of the soil blocks. At the same time, the cleaning tank is kept in a relatively sealed state for soil removal, which can effectively avoid dust pollution. The automated batch cleaning process can also save costs.

[0018] The present invention cooperates with structures such as rubber sleeves, herringbone top plates and buffer pads, which is beneficial to the multi-stage weakening of vibration force of the device. During the vibration of the arc top vibration plate, the vibration of the clamping plate is initially offset by the rubber sleeve. After the remaining vibration force is transmitted to the slot plate, it can be further weakened by the herringbone top plate arranged on the side, and the coil spring elastically connected to the bottom is used for buffering to further weaken the remaining vibration force. Finally, the remaining vibration is transmitted to the side wall of the cleaning tank, which can be absorbed by the buffer pad, so that the vibration noise is effectively reduced during the soil removal process of the device, thereby reducing the wear of the device parts and extending the service life of the equipment.

[0019] The present invention can further improve the efficiency of soil clod cleaning by arranging the cooperation of structures such as the pointed poking rod, the conical blocks and the supporting net. During the vibration process of the circular tube, the pointed tip of the pointed poking rod is inserted into the soil clod, and the soil clod can be effectively poked out in cooperation with the multiple conical blocks fixed obliquely upward on the top. The broken soil clods are smaller in size and can roll down from the side of the pointed poking rod when the circular tube moves upward via vibration. After the soil clods are cleaned, the dust on the cleaning tank and the circular tube is flushed through the stamping nozzle, thereby further improving the cleaning efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the cross-sectional structure of the present invention;

[0021] Figure 2 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0022] Figure 3 For the present invention Figure 1 A schematic diagram of the partially enlarged structure at point B in the middle;

[0023] Figure 4 It is a schematic diagram of the overall structure of the present invention;

[0024] Figure 5It is a schematic structural diagram of the present invention from a top view;

[0025] Figure 6 This is a schematic diagram of the structural matching relationship between the pointed poking rod and the honeycomb hole of the present invention;

[0026] Figure 7 Schematic diagram of the structural coordination relationship between the arc top vibration plate and the slot plate of the present invention;

[0027] Figure 8 This is a schematic diagram of the structural matching relationship between the clamping plate and the rubber sleeve of the present invention;

[0028] Figure 9 This is a schematic diagram of the structural coordination relationship between the support net and the base of the present invention;

[0029] Figure 10 It is a schematic diagram of the structural coordination relationship between the base and the pointed poking rod of the present invention.

[0030] In the picture:

[0031] 1. Cleaning tank; 2. Top cover; 3. Handle; 4. Punching nozzle; 5. Drain port; 6. Centralized cleaning mechanism; 61. Arc top vibration plate; 62. Snap-in plate; 63. Rubber sleeve; 64. Slot plate; 65. Herringbone top plate; 66. Coil spring; 67. Guide rod; 68. Slope block; 69. Buffer pad; 610. Positioning bolt; 611. Honeycomb hole; 612. Vibrator; 7. Auxiliary breaking mechanism; 71. Pointed poking rod; 72. Conical block; 73. Mounting ring plate; 74. Support net; 75. Base; 76. Through hole. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] like Figures 1 to 10 As shown, the present invention provides a self-cleaning scrap iron recovery device, comprising a cleaning tank 1, a top cover 2 is installed on the top of the cleaning tank 1, a pair of handles 3 are fixedly connected to the top of the top cover 2, a stamping nozzle 4 is fixedly connected to the inner surface of the top of the top cover 2, and the water inlet of the stamping nozzle 4 is fixedly passed through the top of the top cover 2, a sewage outlet 5 is opened at the bottom of the cleaning tank 1, and further comprising: a centralized cleaning mechanism 6, the centralized cleaning mechanism 6 is located in the middle and upper part of the inner cavity of the cleaning tank 1; an auxiliary scattering mechanism 7, the auxiliary scattering mechanism 7 is located in the middle and lower part of the inner cavity of the cleaning tank 1;

[0034] The centralized cleaning mechanism 6 includes an arc top vibration plate 61 , on which a plurality of honeycomb holes 611 are evenly opened. The hexagonal design of the honeycomb holes 611 allows the arc top vibration plate 61 to contract laterally when under pressure, thereby concentrating the vibration energy conduction path.

[0035] Adopt the above scheme: after the soil blocks in the circular tube of the highway guardrail are cleaned, open the valve to allow the stamping nozzle 4 to flush out the water column, washing the inner and outer walls of the circular tube from top to bottom, and at the same time, the inner wall of the cleaning tank 1 and the vibrating components can be cleaned together, effectively suppressing the overflow of dust, and the final dust-containing sewage flows out through the sewage outlet 5, and then the sewage is discharged from the sewage outlet 5. The number and size of the honeycomb holes 611 are determined according to actual production needs.

[0036] like Figure 2 、 Figure 6 and Figure 8 As shown, the centralized cleaning mechanism 6 also includes a vibrator 612 fixed to the middle center of the arc top vibration plate 61, and a plurality of clip plates 62 are fixed to the bottom of the arc top vibration plate 61 at equal intervals around the circumference; the outer walls of the plurality of clip plates 62 are all sleeved with rubber sleeves 63, and the clip plates 62 are clipped with the slot plates 64 through the rubber sleeves 63, and the middle parts of the clip plates 62, rubber sleeves 63 and the slot plates 64 are jointly fixed by positioning bolts 610.

[0037] like Figure 2 As shown, the outer sides of the plurality of slot plates 64 are fixedly connected to the herringbone top plate 65, the bottoms of the plurality of the herringbone top plates 65 are fixedly connected to the guide rods 67, the outer walls of the plurality of the guide rods 67 are movably sleeved with ramp blocks 68, and the side walls of the plurality of the ramp blocks 68 are fixedly connected to the inner cavity of the cleaning tank 1.

[0038] like Figure 2 and Figure 6 As shown, the outer wall of the guide rod 67 is sleeved with a coil spring 66, and the herringbone top plate 65 is elastically connected to the slope block 68 through the coil spring 66; the inner cavity of the cleaning tank 1 is fixed with a buffer pad 69, and the herringbone top plate 65 is located on the inner side of the buffer pad 69 and is set in the air.

[0039] According to the above solution, during the vibration of the circular tube, a small amount of sediment may be shaken off the top and roll down along the non-circular arc slope of the arc top vibration plate 61. If it falls on the herringbone top plate 65, it can continue to roll down along the herringbone slope. If it does not fall on the herringbone top plate 65, it will directly fall down along the gap to the bottom of the cleaning tank 1 to prevent sediment from accumulating on the top. The arc top vibration plate 61 can also transmit the vibration to the supporting clamping plate 62. Through the provision of the rubber sleeve 63, the vibration of the clamping plate 62 is initially offset. After the remaining vibration force is transmitted to the slot plate 64, it can be further weakened by the herringbone top plate 65 provided on the side and buffered by the coil spring 66 elastically connected to the bottom, further weakening the remaining vibration force. Finally, the remaining vibration is transmitted to the side wall of the cleaning tank 1 and can be absorbed by the provision of the buffer pad 69. In this way, the vibration of the cleaning tank 1 is greatly reduced by weakening the vibration force at multiple levels, thereby achieving the effect of reducing vibration noise. The guide rod 67 limits the entire arc top vibration plate 61 when it vibrates, and is convenient for installation and disassembly. During maintenance, the arc top vibration plate 61 can be taken out as a whole through the guide rod 67, and then the positioning bolt 610 is loosened to replace the component.

[0040] like Figure 1 and Figure 9 As shown, the auxiliary breaking up mechanism 7 includes a mounting ring plate 73 fixedly connected to the lower middle part of the inner cavity of the cleaning tank 1, and a support net 74 is fixedly connected to the inner side of the mounting ring plate 73; the outer ring and the inner ring of the support net 74 are both provided with through holes 76, and the top of the support net 74 is fixedly connected to multiple bases 75.

[0041] like Figure 6 and Figure 10 As shown, the tops of the multiple bases 75 are connected to pointed poking rods 71 through convex column threads, and the upper ends of the multiple pointed poking rods 71 are fixed with multiple conical blocks 72 in an oblique upward manner; the distribution positions of the bases 75 and pointed poking rods 71 are consistent with the positions of the honeycomb holes 611.

[0042] The above solution effectively disperses soil clods by combining a pointed prodding rod 71 with multiple tapered blocks 72 fixed obliquely upward at the top. The continuous vibration of the circular tube causes intact soil clods to continue to move downward, where they are then dispersed by the pointed prodding rod 71. Since the fragmented soil clods are relatively small, they can roll off the sides of the pointed prodding rod 71 as the circular tube vibrates upward. When the fragmented soil clods reach the support net 74, the vibrations transmitted by the multiple circular tubes cause the support net 74 to vibrate, lifting the fragmented soil. Fine particles pass through the mesh of the support net 74 and fall directly into the bottom of the cleaning tank 1. Larger particles continue to be lifted and, as new fragments are discharged, are squeezed through the through holes 76 on the inner and outer sides and fall into the bottom of the cleaning tank 1. Since the distribution positions of the base 75 and the pointed poking rod 71 are consistent with the positions of the honeycomb holes 611, after the round tube is inserted into the honeycomb holes 611, the soil blocks inside the tube can effectively abut against the pointed poking rod 71, and during the vibration process, the pointed poking rod 71 and the conical block 72 can effectively disperse the soil blocks under the guidance of the honeycomb holes 611.

[0043] The working principle and use process of the present invention:

[0044] First, collect the circular tubes of the highway guardrail and insert them into the honeycomb holes 611 of the arc top vibration plate 61 in sequence, placing them so that the muddy part at the bottom abuts the position of the pointed prodding rod 71. After all the honeycomb holes 611 are inserted into the circular tubes, cover them with the top cover 2 and vibrate the soil clods in the circular tubes in the cleaning tank 1 to effectively avoid dust pollution. Then start the vibrator 612, which transmits the vibration to the arc top vibration plate 61. The hexagonal design of the honeycomb holes 611 enables the arc top vibration plate 61 to contract laterally when under pressure, concentrating the vibration energy conduction path. Therefore, the circular tubes located in the honeycomb holes 611 can all receive the vibration evenly, effectively breaking up the compacted soil clods in the tubes. During the vibration of the circular tube, a small amount of sediment may be shaken off from the top and may roll down along the non-circular slope of the arc top vibration plate 61. If it falls on the herringbone top plate 65, it may continue to roll down along the herringbone slope. If it does not fall on the herringbone top plate 65, it may directly fall down along the gap to the bottom of the cleaning tank 1 to prevent sediment from accumulating on the top.

[0045] Secondly, when the circular tube resonates with the arc top vibration plate 61, the arc top vibration plate 61 can also transmit the vibration to the supporting clamping plate 62. The viscoelastic damping properties of the rubber sleeve 63 implement broadband vibration absorption on the clamping plate 62, and the hysteresis phase change properties of the polymer are used to convert the initial vibration energy into heat energy dissipation. When the second-order vibration is transmitted to the slot plate 64, the truss structure of the gable top plate 65 produces a nonlinear damping effect, decomposing the vibration wave into low-amplitude harmonics in a multi-directional stress dispersion manner. The third-order vibration is achieved through the deformation of the coil spring 66, utilizing the friction between the spring wire turns and the elastic hysteresis properties to achieve secondary energy attenuation. The measured vibration amplitude attenuation exceeds 85%. The residual vibration is ultimately filtered by the microporous energy absorption structure of the buffer pad 69. Its honeycomb closed-cell foam material can absorb vibration waves in a specific frequency band. In this way, the vibration of the cleaning tank 1 is greatly reduced by weakening the vibration force at multiple levels, thereby achieving the effect of reducing vibration noise, and simultaneously achieving three-dimensional optimization of operation stability, environmental friendliness, and equipment durability. It is particularly suitable for eliminating vibration pollution in high-frequency continuous operation scenarios.

[0046] Furthermore, during the vibration of the circular tube, soil clods within the tube separate from the tube wall and move downward. The bottom of the soil clod abuts against the pointed prodding rod 71, making it easy for the pointed tip of the prodding rod 71 to penetrate the soil clod. Simultaneously, the multiple tapered blocks 72 fixed obliquely upward at the top effectively break up the soil clod. Continued vibration of the circular tube causes intact soil clods to continue to move downward, where they are subsequently broken up by the pointed prodding rod 71. The broken soil clods, being smaller in size, roll off the sides of the pointed prodding rod 71 as the circular tube vibrates upward. When the crushed soil reaches the support net 74, the vibrations of the multiple circular tubes cause the support net 74 to vibrate, lifting the crushed soil. Fine particles pass through the mesh of the support net 74 and fall directly into the bottom of the cleaning tank 1. Larger particles continue to be lifted. As new crushed soil is discharged, they are squeezed through the through holes 76 on both sides and fall into the bottom of the cleaning tank 1. Finally, all the accumulated crushed soil particles are discharged from the sewage outlet 5, completing the cleaning of the soil in the circular tube. The pointed protruding rod 71 is connected by a threaded boss, so it can be rotated and unscrewed when worn and replaced with a new one.

[0047] Finally, after the soil blocks in the circular tube are cleaned, the valve is opened to allow the punching nozzle 4 to flush out the water column, washing the inner and outer walls of the circular tube from top to bottom. At the same time, the inner wall of the cleaning tank 1 and the vibrating components can also be cleaned together to avoid dust flying after opening the cover. Then the sewage is discharged from the sewage outlet 5. After cleaning, the top cover 2 is opened through the handle 3, and the circular tubes are taken out one by one. Then the next batch of circular tubes can be placed for cleaning, which effectively improves the cleaning efficiency. When maintaining the device, the arc top vibration plate 61 can be taken out as a whole through the guide rod 67, and then the positioning bolt 610 can be loosened to replace the parts. At the same time, the pointed poking rod 71 and the support net 74 are also easy to maintain after being removed from the upper mechanism.

[0048] It should be noted that, in this document, relational terms such as first and second, etc., are used only to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the terms "comprises," "comprising," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that includes a list of elements includes not only those elements but also other elements not explicitly listed, or elements inherent to such process, method, article, or apparatus.

[0049] While embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions, and variations may be made to these embodiments without departing from the principles and spirit of the invention, and that the scope of the invention is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning scrap iron recovery device, comprising a cleaning tank (1), a top cover (2) installed on the top of the cleaning tank (1), a pair of handles (3) fixedly connected to the top of the top cover (2), a stamping nozzle (4) fixedly connected to the inner surface of the top of the top cover (2), and a water inlet of the stamping nozzle (4) fixedly passing through the top of the top cover (2), and a sewage outlet (5) opened at the bottom of the cleaning tank (1), characterized in that: Also includes: A centralized cleaning mechanism (6), the centralized cleaning mechanism (6) being located in the upper middle portion of the inner cavity of the cleaning tank (1); An auxiliary breaking up mechanism (7), the auxiliary breaking up mechanism (7) being located in the middle and lower part of the inner cavity of the cleaning tank (1); The centralized cleaning mechanism (6) comprises an arc top vibration plate (61), a plurality of honeycomb holes (611) are evenly opened on the arc top vibration plate (61), and the hexagonal design of the honeycomb holes (611) enables the arc top vibration plate (61) to contract laterally when under pressure, thereby concentrating the vibration energy conduction path.

2. The self-cleaning scrap iron recovery device according to claim 1, characterized in that: The centralized cleaning mechanism (6) further comprises a vibrator (612) fixed to the center of the arc top vibration plate (61), and a plurality of clamping plates (62) are fixed to the bottom of the arc top vibration plate (61) at equal intervals around the circumference.

3. The self-cleaning scrap iron recovery device according to claim 2, characterized in that: The outer walls of the plurality of clamping plates (62) are all sleeved with rubber sleeves (63), and the clamping plates (62) are clamped with the slot plates (64) through the rubber sleeves (63). The clamping plates (62), the rubber sleeves (63) and the slot plates (64) are fixedly connected together through the middle portions thereof via positioning bolts (610).

4. The self-cleaning scrap iron recovery device according to claim 3, characterized in that: The outer side walls of the plurality of slot plates (64) are fixedly connected to a herringbone top plate (65), the bottoms of the plurality of herringbone top plates (65) are fixedly connected to a guide rod (67), the outer walls of the plurality of guide rods (67) are movably sleeved with a slope block (68), and the side walls of the plurality of slope blocks (68) are fixedly connected to the inner cavity of the cleaning tank (1).

5. The self-cleaning scrap iron recovery device according to claim 4, characterized in that: The outer walls of the guide rods (67) are sleeved with coil springs (66), and the herringbone top plate (65) is elastically connected to the slope block (68) via the coil springs (66).

6. The self-cleaning scrap iron recovery device according to claim 5, characterized in that: A buffer pad (69) is fixedly connected to the inner cavity of the cleaning tank (1), and the herringbone top plates (65) are all located inside the buffer pad (69) in a spaced arrangement.

7. The self-cleaning scrap iron recovery device according to claim 6, characterized in that: The auxiliary breaking up mechanism (7) comprises a mounting ring plate (73) fixedly connected to the middle and lower part of the inner cavity of the cleaning tank (1), and a supporting net (74) is fixedly connected to the inner side of the mounting ring plate (73).

8. The self-cleaning scrap iron recovery device according to claim 7, characterized in that: The outer ring and the inner ring of the support net (74) are both provided with through holes (76), and a plurality of bases (75) are fixedly connected to the top of the support net (74).

9. The self-cleaning scrap iron recovery device according to claim 8, characterized in that: The tops of the plurality of bases (75) are all connected to pointed poking rods (71) through boss threads, and the upper ends of the plurality of pointed poking rods (71) are all fixedly connected to a plurality of tapered blocks (72) in an obliquely upward manner.

10. The self-cleaning scrap iron recovery device according to claim 9, characterized in that: The distribution positions of the base (75) and the pointed poking rod (71) are consistent with the positions of the honeycomb holes (611).

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