A solid-liquid separation filtering device for knuckle machining waste liquid

Abstract

The present application relates to solid-liquid separation device technical field, especially to a knuckle processing waste liquid solid-liquid separation filter device, including the clean box body that the top is butt joint with the cutting fluid export, and the scrap iron cleaning assembly that is set in its inside, the recovery assembly that is connected to the concentrated treatment of the scrap iron after cleaning is symmetrically connected in the clean box body both sides, the present application adopts electromagnetic roller one, electromagnetic roller two coaxial linkage wheel alternation work structure, one roller is in the clean box body online adsorption scrap iron, purify cutting fluid, the other roller completes the scrap iron removal operation offline in the recovery box body, the work position seamless automatic switching, without equipment downtime, without production line downtime, realize uninterrupted continuous solid-liquid separation operation, greatly improve the cutting fluid solid-liquid separation processing efficiency, completely adapt to the large batch, assembly line type continuous processing production demand of automobile knuckle, and no contact scrap iron removal mode, whole process without mechanical friction, no hard scratch, prevent electromagnetic roller wear and tear, scratch problem.

Description

Technical Field

[0001] This invention relates to the field of solid-liquid separation device technology, and in particular to a solid-liquid separation and filtration device for steering knuckle processing waste liquid. Background Technology

[0002] Automotive steering knuckles are critical safety components. Machining production is characterized by large batches and continuous assembly line operations, generating a large amount of cutting fluid mixed with iron filings and impurities. Solid-liquid separation and filtration devices are needed to remove iron and purify the waste fluid, enabling its recycling. Existing methods for solid-liquid separation of cutting fluid typically employ permanent magnet cylinders for magnetic adsorption or direct filtration using filter screens. To ensure continuous filtration, both methods require timely cleaning of the filtered solid impurities to prevent clogging. However, both methods have certain drawbacks under continuous production conditions.

[0003] The permanent magnet cylinder adsorption method for removing iron requires power off and demagnetization during cleaning. Only after losing its magnetic force can the surface iron filings be removed. However, under the continuous recovery and filtration of cutting fluid, the permanent magnet cylinder loses its iron filings filtration capacity when it enters the chip removal process after power off. The solid-liquid separation and filtration of the cutting waste fluid is forced to be interrupted, which cannot meet the uninterrupted processing requirements of the steering throttle flow line. The interruption of the filtration process will cause the cutting fluid containing impurities to flow directly backward, resulting in the problem of cutting fluid purification failure.

[0004] The solid-liquid separation scheme using filter screens and filter plates relies on the direct contact and friction between the scraper and the surface of the filter plate to remove the intercepted iron filings and impurities. On the one hand, the long-term reciprocating hard scraping of the filter plate by the scraper will cause wear and deformation of the filter plate surface, and the filter screen mesh is prone to deformation and damage. On the other hand, the scraper can only scrape a local surface of the filter plate, making it difficult to completely remove all the iron filings from the box. Summary of the Invention

[0005] To address the shortcomings of existing technologies, this invention provides a solid-liquid separation and filtration device for steering knuckle machining waste fluid. It solves the technical problem that existing technologies, which use permanent magnet cylinders for magnetic adsorption or directly use filter screens for filtration, struggle to thoroughly clean the filtered solid impurities under continuous cutting fluid recovery filtration conditions, thus affecting subsequent solid-liquid separation work. This invention achieves uninterrupted continuous purification operations and significantly improves the efficiency of cutting fluid solid-liquid separation treatment.

[0006] To solve the above-mentioned technical problems, the present invention provides the following technical solution: a solid-liquid separation and filtration device for steering knuckle machining waste liquid, comprising a cleaning box with its top end connected to the cutting fluid outlet, and an iron filings cleaning component disposed therein. The cleaning box is symmetrically connected to two sides with a recycling component for centralized processing of the cleaned iron filings. The recycling component includes a recycling box one and a recycling box two respectively fixedly installed on both sides of the cleaning box. The iron filings cleaning component includes an electromagnetic roller one and an electromagnetic roller two coaxially fixedly connected to adsorb and fix the iron filings in the cutting fluid. Both the recycling box one and the recycling box two have electromagnetic cylinders fixed inside for forcibly adsorbing the iron filings remaining on the surfaces of the corresponding electromagnetic roller one and electromagnetic roller two. The recycling bin is equipped with a rotary motor inside, which drives electromagnetic roller 1 and electromagnetic roller 2 to rotate evenly and adsorb iron filings onto its surface. The outer wall of the recycling bin is fixed with a drive cylinder for the electromagnetic roller 1 and electromagnetic roller 2 to switch laterally and cycle to clean the iron filings inside the bin.

[0007] Preferably, both sides of the cleaning box are provided with transition holes for electromagnetic roller one and electromagnetic roller two to slide through, and the outer walls of electromagnetic roller one and electromagnetic roller two are fixedly fitted with limiting plates with a diameter larger than the diameter of the transition holes.

[0008] Preferably, both recycling bin one and recycling bin two are horizontal bin structures, and the transfer holes of the two recycling bins and the cleaning bin are arranged coaxially and symmetrically on the side wall.

[0009] Preferably, baffles are evenly fixed on the electromagnetic roller one and electromagnetic roller two along their circumference, and inclined liquid guide plates are fixed on both sides of the top of the cleaning box, which accurately introduce the cutting fluid between two adjacent baffles.

[0010] Preferably, the limiting plate is a circular plate structure, which is set tightly against the inner side wall of the cleaning box and can completely block the corresponding transition hole to form a sealing structure.

[0011] Preferably, the output end of the drive cylinder is inserted into the interior of the first recycling box and fixed with a second fixing plate. A connecting rod is fixed to the inner wall of the second fixing plate, and the end of the connecting rod is fixed with the first fixing plate. The rotary motor is fixedly installed on the outer wall of the first fixing plate, and the output end of the rotary motor is fixedly connected to the end of the first electromagnetic drum.

[0012] Preferably, the first fixing plate is slidably fitted with the inner wall of the electromagnetic cylinder, and the first fixing plate, the second fixing plate, and the connecting rod form an integrated sliding drive structure, which can drive the electromagnetic drum to slide horizontally back and forth along the axial direction of the electromagnetic cylinder.

[0013] Preferably, the bottom of the electromagnetic cylinder is an open structure and the cylinder wall is evenly provided with ventilation holes. The inner side of the two recycling boxes is fixedly installed with air knives facing the electromagnetic cylinder along its length direction. The bottom of the two recycling boxes can be detachably fitted with recycling boxes. The air knives are arranged linearly along the length direction of the recycling boxes, and the air outlet of the air knives is set to correspond to the ventilation holes of the electromagnetic cylinder, forming a through-type purging airflow channel.

[0014] By means of the above technical solution, the present invention provides a solid-liquid separation and filtration device for steering knuckle processing waste liquid, which has at least the following beneficial effects: 1. This invention employs a coaxial linkage and alternating operation structure of electromagnetic roller one and electromagnetic roller two. One roller absorbs iron filings and purifies cutting fluid online inside the cleaning chamber, while the other roller completes the chip removal operation offline inside the recovery chamber. The workstations switch seamlessly and automatically, without requiring equipment or production line shutdowns, achieving uninterrupted continuous purification operations. This significantly improves the efficiency of solid-liquid separation of cutting fluid, fully adapting to the needs of large-volume, assembly-line continuous processing of automotive steering knuckles, and effectively improving the overall production cycle.

[0015] 2. This invention eliminates the traditional mechanical scraper structure and adopts a completely contactless chip removal mode that combines demagnetizing the roller after power failure with forced magnetic transfer by an external electromagnetic cylinder and airflow blowing by an air knife. There is no mechanical friction or hard scraping throughout the process, eliminating wear and scratches on the electromagnetic roller. The stability of the electromagnetic roller's magnetic structure is fully preserved, ensuring a high-precision chip adsorption effect over the long term. This significantly reduces the probability of equipment failure and the cost of replacing parts, effectively extending the overall service life of the equipment.

[0016] 3. This invention adds an external electromagnetic cylinder with an adsorption structure. After the electromagnetic drum is de-energized, the external strong magnetism of the electromagnetic cylinder forces the transfer and peeling of fine iron filings adsorbed by the cutting fluid on the drum surface. At the same time, the air knife and the ventilation holes of the electromagnetic cylinder form an all-round airflow to thoroughly blow away and clean the iron filings on the inner wall of the electromagnetic cylinder, leaving no iron filings. This ensures that the adsorption performance is intact after each drum reset, the quality of cutting fluid purification is stable, and secondary pollution of cutting fluid caused by residual iron filings is completely avoided, thus improving the cleanliness of the recovered cutting fluid.

[0017] 4. This invention, by setting limiting plates on the two electromagnetic rollers, ensures that the diameter of the limiting plates is larger than the inner diameter of the transition hole. During the switching of the two electromagnetic rollers and the solid-liquid separation process, it can always ensure that the cleaning box and the two recycling boxes are in a completely sealed state. After adsorption and separation, the liquid flows to the bottom of the cleaning box for recycling, while the iron filings are transferred to the two recycling boxes on both sides and finally fall into an independent recycling box. The entire process of iron filings removal is far away from the main channel of the cutting fluid, which fundamentally prevents the iron filings from falling back into the cleaning box and prevents the iron filings from mixing into the cutting fluid again. This ensures the cleanliness of the cutting fluid after solid-liquid separation and meets the requirements of cutting fluid cleanliness for precision machining of steering knuckles. Attached Figure Description

[0018] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application.

[0019] In the attached diagram: Figure 1 This is a schematic diagram of the overall structure of the present invention; Figure 2 This is a sectional view of the entire invention from one side; Figure 3 This is a schematic diagram of the connection structure between the electromagnetic roller and the rotary motor and drive cylinder of the present invention; Figure 4 This is a cross-sectional view of one side of the cleaning box of the present invention; Figure 5 This is a sectional view of one side of the recycling box of the present invention; Figure 6 This is a schematic diagram of the iron filings cleaning component of the present invention.

[0020] In the diagram: 1. Cleaning box; 2. Iron filings cleaning assembly; 21. Electromagnetic roller one; 22. Electromagnetic roller two; 23. Adapter hole; 24. Limiting plate; 25. Stop bar; 26. Liquid guide plate; 3. Recycling assembly; 31. Recycling box one; 32. Recycling box two; 33. Electromagnetic cylinder; 34. Recycling box; 35. Air knife; 36. Ventilation hole; 4. Rotary motor; 41. Fixing plate one; 5. Drive cylinder; 51. Fixing plate two; 52. Connecting rod. Detailed Implementation

[0021] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. 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.

[0022] Example 1 To address the shortcomings of existing technologies, this invention provides a solid-liquid separation and filtration device for steering knuckle machining waste fluid. It solves the technical problem that existing technologies, which use permanent magnet cylinders for magnetic adsorption or direct filter screens, struggle to thoroughly remove filtered solid impurities under continuous cutting fluid recovery filtration conditions, thus affecting subsequent solid-liquid separation. This invention achieves uninterrupted continuous purification operations and significantly improves the efficiency of cutting fluid solid-liquid separation. Please refer to... Figure 1 - Figure 6The steering knuckle machining waste liquid solid-liquid separation and filtration device includes a cleaning box 1 with its top end connected to the cutting fluid outlet, and a metal chip cleaning component 2 installed inside it. A recycling component 3 for centralized processing of the cleaned metal chips is symmetrically connected to both sides of the cleaning box 1. The recycling component 3 includes a recycling box 31 and a recycling box 32 respectively fixedly installed on both sides of the cleaning box 1. The metal chip cleaning component 2 includes an electromagnetic roller 21 and an electromagnetic roller 22 coaxially fixedly connected to adsorb and fix the metal chips in the cutting fluid. Electromagnetic cylinders 33 are fixed inside the recycling box 31 and the recycling box 32 to forcibly adsorb residual metal chips on the surfaces of the corresponding electromagnetic rollers 21 and 22. After the equipment is started, the drive cylinder 5 is in its initial state. In the retracted state, electromagnetic roller 21 is completely placed inside the cleaning chamber 1, and electromagnetic roller 22 is stored inside the recycling chamber 32. The rotary motor 4 is started, driving the two coaxially connected electromagnetic rollers to rotate synchronously at low speed. At the same time, electromagnetic roller 21 is energized and generates strong magnetism. The cutting fluid containing iron filings discharged from the machine tool enters the interior of the cleaning chamber 1 from the top. During the flow, it comes into full contact with the rotating electromagnetic roller 21. The roller adsorbs the fine iron filings and grinding particles in the cutting fluid to the surface from all directions, completing the initial purification of the cutting fluid. During this process, the limiting plates 24 on electromagnetic rollers 21 and 2 are tightly attached to the inner and outer walls of the cleaning chamber 1, completely sealing the two side transition holes 23, thoroughly preventing the cutting fluid from leaking from the gaps, and ensuring a sealed purification environment.

[0023] Traditional single-drum cutting fluid removal equipment requires the machine to be stopped after the drum is full of iron filings before cleaning can begin. This necessitates halting the production line, impacting the continuous processing efficiency of automotive steering knuckles and resulting in poor continuity of cutting fluid recovery and treatment. To address this issue, such as... Figure 1 - Figure 5 As shown, the recycling box 31 is equipped with a rotary motor 4 that drives the electromagnetic rollers 21 and 22 to rotate evenly and adsorb iron filings onto their surfaces. The outer wall of the recycling box 31 is fixed with a drive cylinder 5 that allows the electromagnetic rollers 21 and 22 to switch laterally and cycle to process iron filings inside the recycling box 31. The recycling box 31 adopts a dual electromagnetic roller coaxial rotation structure, with one roller adsorbing and purifying online and the other roller cleaning offline. The workstations can be seamlessly switched, enabling continuous operation with zero downtime. This avoids production line downtime caused by cleaning, improves the efficiency of solid-liquid separation of cutting fluid, and is suitable for the needs of large-scale, continuous processing of automotive steering knuckles.

[0024] Furthermore, both sides of the cleaning chamber 1 are provided with transition holes 23 for the electromagnetic roller 1 21 and electromagnetic roller 22 to slide through. The outer walls of electromagnetic roller 1 21 and electromagnetic roller 22 are fixedly fitted with limiting plates 24 with a diameter larger than the diameter of the transition holes 23. As the working time increases, the surface of electromagnetic roller 1 21 is completely covered with iron filings, and the adsorption performance decreases. At this time, the control system triggers the cleaning switching program to keep the equipment running continuously without stopping.

[0025] It should be noted that both recycling bin 1 (31) and recycling bin 2 (32) are horizontal bin structures, and the two recycling bins are arranged coaxially and symmetrically with the transfer hole 23 on the side wall of the cleaning bin 1.

[0026] Furthermore, the limiting plate 24 is a circular plate structure. The limiting plate 24 is set tightly against the inner wall of the cleaning box 1 and can completely block the corresponding transfer hole 23 to form a sealed structure. When the drive cylinder 5 is started, the cylinder output shaft retracts, which drives the fixing plate 21 and the connecting rod 52 to pull the fixing plate 41 along the electromagnetic cylinder 33 of the recycling box 31 to slide inward. At the same time, the electromagnetic roller 21 is pulled from the cleaning box 1 into the recycling box 31, so that the electromagnetic roller 21 is completely nested inside the electromagnetic cylinder 33. Then the power supply to the electromagnetic roller 21 is cut off, and the magnetism of the roller disappears. At this time, the electromagnetic cylinder 33 inside the recycling box 31 remains energized and strongly magnetic. Using the external magnetic attraction effect, the iron filings on the surface of the electromagnetic roller 21 that cannot fall off on their own due to the viscosity of the cutting fluid are forcibly adsorbed and transferred to the inner wall of the electromagnetic cylinder 33, thus completing the rapid chip removal of the roller.

[0027] As electromagnetic roller 21 exits the cleaning chamber 1 and enters the chip removal station, electromagnetic roller 22, which is coaxially linked, simultaneously passes through the recovery chamber 32 and enters the cleaning chamber 1 through the right-side transition hole 23. Electromagnetic roller 22 is immediately powered on and takes over from electromagnetic roller 21 to continuously adsorb iron filings in the cutting fluid, achieving seamless connection between adsorption and chip removal, and zero downtime operation of the equipment.

[0028] In order to thoroughly remove iron filings from the cutting fluid, such as Figure 6 As shown, baffles 25 are uniformly fixed along the circumference of electromagnetic roller 1 21 and electromagnetic roller 22. Inclined liquid guide plates 26 are fixed on both sides of the top of the cleaning box 1. The liquid guide plates 26 accurately introduce the cutting fluid between two adjacent baffles 25. The inclined liquid guide plates 26 accurately guide the cutting fluid containing iron chips into the receiving groove between adjacent baffles 25. The cutting fluid is limited by the baffles 25 and briefly stays in the groove formed by the baffles 25, forcing the cutting fluid to fully contact the magnetic surface of the electromagnetic roller. The magnetic field can fully capture the iron chip particles inside the cutting fluid and reduce the escape of iron chips.

[0029] Example 2 Traditional equipment relies on mechanical scrapers to directly remove iron filings from the surface of the electromagnetic drum. Long-term hard friction between the scraper and the drum causes wear and scratches on the drum surface, damaging the magnetic adsorption area. This not only reduces the iron removal accuracy but also significantly shortens the lifespan of equipment parts and increases maintenance costs. Building upon Example 1, as... Figure 1 - Figure 5As shown, the output end of the drive cylinder 5 is inserted into the inside of the recycling box 31 and fixed with a fixing plate 51. A connecting rod 52 is fixed to the inner wall of the fixing plate 51, and a fixing plate 41 is fixed to the end of the connecting rod 52. The rotary motor 4 is fixedly installed on the outer wall of the fixing plate 41, and the output end of the rotary motor 4 is fixedly connected to the end of the electromagnetic drum 21. The mechanical scraper structure is eliminated, and a non-contact cleaning mode is adopted, which uses the drum to be de-energized and forcibly transferred by the external electromagnetic drum 33 and blown by the air knife 35. There is no mechanical hard friction throughout the process, eliminating the wear problem of the electromagnetic drum, protecting the integrity of the drum's magnetic structure, maintaining a high-precision iron chip adsorption capacity for a long time, greatly reducing the equipment failure rate and parts replacement cost, and extending the overall service life of the equipment.

[0030] Specifically, the first fixing plate 41 slides against the inner wall of the electromagnetic cylinder 33. The first fixing plate 41, the second fixing plate 51, and the connecting rod 52 form an integrated sliding drive structure, which can drive the electromagnetic drum to slide horizontally back and forth along the axial direction of the electromagnetic cylinder 33. A fixed strong magnetic structure is used. After the electromagnetic drum is de-energized and demagnetized, residual iron filings on the drum surface are forcibly adsorbed through external magnetic attraction, solving the problem of iron filings not being able to fall off due to the viscosity of the cutting fluid. Simultaneously, it works with the air knife 35 to complete the final chip removal operation. After the electromagnetic drum 21 is completely de-scraped, it waits for the surface of the second electromagnetic drum 22 to... Once the surface is full of iron filings, the drive cylinder 5 extends in the opposite direction, pushing the electromagnetic roller 21 back into the cleaning box 1 to stand by. Then, the power supply to the electromagnetic cylinder 33 inside the recycling box 31 is disconnected, the magnetism of the electromagnetic cylinder 33 disappears, and the iron filings adsorbed on the cylinder wall lose their attraction. At the same time, the air knife 35 on the side wall of the recycling box is activated, and the high-pressure airflow forms an all-round sweeping airflow through the evenly spaced ventilation holes 36 on the surface of the electromagnetic cylinder 33, completely blowing off the iron filings remaining on the inner wall of the electromagnetic cylinder 33. The iron filings fall through the opening at the bottom of the electromagnetic cylinder 33 into the recycling box 34 below, completing the centralized collection of iron filings.

[0031] Once the surface of the electromagnetic drum 22 is saturated with iron filings, the switching, cleaning, and purging process described above is repeated. The two electromagnetic drums work alternately and clean the iron filings offline, continuously purifying the iron filings in the cutting fluid and enabling the equipment to operate continuously without interruption.

[0032] Because cutting fluid is inherently viscous, fine iron filings adhere to the surface of traditional electromagnetic drums after power is cut off and cannot fall off on their own. Relying solely on gravity for cleaning results in a large amount of residual filings. To improve the cleaning quality of waste filings, the bottom of the electromagnetic drum 33 is open and the drum wall is evenly provided with ventilation holes 36. Air knives 35 are fixedly installed on the inner side of the two recovery boxes along their length direction, facing the electromagnetic drum 33. Recovery boxes 34 can be detachably installed at the bottom of the two recovery boxes. The air knives 35 are arranged linearly along the length of the recovery boxes, and the air outlet of the air knives 35 is set to correspond to the ventilation holes 36 of the electromagnetic drum 33, forming a through-type blowing airflow channel. An external electromagnetic drum 33 is added with a magnetic attraction structure, which uses an external strong magnet to forcibly transfer the sticky iron filings on the drum surface. Combined with the all-round blowing of the air knives 35, there is no sticky residue. This ensures that the electromagnetic drum is in the optimal adsorption state after each reset, stably ensuring the purification accuracy of the cutting fluid, avoiding secondary pollution caused by iron filings, and ultimately achieving complete solid-liquid separation of the cutting fluid.

[0033] It should be noted that, in this document, the terms “comprising,” “including,” or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0034] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A solid-liquid separation and filtration device for waste fluid from steering knuckle machining, comprising a cleaning chamber (1) with its top end connected to a cutting fluid outlet, and a metal chip cleaning assembly (2) disposed therein, characterized in that: The cleaning box (1) is symmetrically connected to two sides of a recycling assembly (3) for centralized processing of cleaned iron filings. The recycling assembly (3) includes a recycling box one (31) and a recycling box two (32) respectively fixedly installed on both sides of the cleaning box (1). The iron filings cleaning assembly (2) includes an electromagnetic roller one (21) and an electromagnetic roller two (22) coaxially fixedly connected to adsorb and fix iron filings in the cutting fluid. Both the recycling box one (31) and the recycling box two (32) have an electromagnetic cylinder (33) fixed inside to forcibly adsorb the iron filings remaining on the surface of the corresponding electromagnetic roller one (21) and electromagnetic roller two (22). The recycling box 1 (31) is equipped with a rotary motor (4) for driving the electromagnetic roller 1 (21) and electromagnetic roller 2 (22) to rotate and evenly adsorb iron filings on its surface. The outer wall of the recycling box 1 (31) is fixed with a drive cylinder (5) for the electromagnetic roller 1 (21) and electromagnetic roller 2 (22) to switch laterally and cycle to process iron filings inside the cleaning box (1).

2. The solid-liquid separation and filtration device for steering knuckle processing waste liquid according to claim 1, characterized in that: The cleaning box (1) has two side walls with transfer holes (23) through which electromagnetic roller one (21) and electromagnetic roller two (22) slide. The outer walls of electromagnetic roller one (21) and electromagnetic roller two (22) are fixedly fitted with limiting plates (24) with a diameter larger than that of the transfer hole (23).

3. The solid-liquid separation and filtration device for steering knuckle processing waste liquid according to claim 1, characterized in that: Both recycling boxes 1 (31) and recycling box 2 (32) are horizontal box structures, and the transfer holes (23) on the side walls of the two recycling boxes and the cleaning box (1) are arranged coaxially and symmetrically.

4. The solid-liquid separation and filtration device for steering knuckle processing waste liquid according to claim 1, characterized in that: The electromagnetic rollers 1 (21) and 2 (22) are uniformly fixed with baffles (25) along their circumference. The top two sides of the cleaning box (1) are fixed with inclined liquid guide plates (26), which accurately introduce the cutting liquid between two adjacent baffles (25).

5. A solid-liquid separation and filtration device for steering knuckle processing waste liquid according to claim 2, characterized in that: The limiting plate (24) is a circular plate structure. The limiting plate (24) is set close to the inner wall of the cleaning box (1) and can completely block the corresponding transfer hole (23) to form a sealed structure.

6. The solid-liquid separation and filtration device for steering knuckle processing waste liquid according to claim 1, characterized in that: The output end of the drive cylinder (5) is inserted into the inside of the recycling box (31) and fixed with a fixing plate (51). A connecting rod (52) is fixed on the inner wall of the fixing plate (51), and a fixing plate (41) is fixed at the end of the connecting rod (52). The rotary motor (4) is fixedly installed on the outer wall of the fixing plate (41), and the output end of the rotary motor (4) is fixedly connected to the end of the electromagnetic roller (21).

7. A solid-liquid separation and filtration device for steering knuckle processing waste liquid according to claim 6, characterized in that: The first fixing plate (41) slides in cooperation with the inner wall of the electromagnetic cylinder (33). The first fixing plate (41), the second fixing plate (51), and the connecting rod (52) form an integrated sliding drive structure, which can drive the electromagnetic roller to slide horizontally back and forth along the axial direction of the electromagnetic cylinder (33).

8. A solid-liquid separation and filtration device for steering knuckle processing waste liquid according to claim 7, characterized in that: The bottom of the electromagnetic cylinder (33) is open and the cylinder wall is evenly provided with ventilation holes (36). The two recycling boxes are fixedly installed with air knives (35) facing the electromagnetic cylinder (33) along their length direction. The bottom of the two recycling boxes can be detachably fitted with recycling boxes (34). The air knife (35) is arranged linearly along the length of the recycling box, and the air outlet of the air knife (35) is set to correspond to the ventilation hole (36) of the electromagnetic cylinder (33) to form a through-type purging airflow channel.

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