A sewage tank excavator for steel ball mill scrap disposal

By combining electromagnetic chucks with excavators, the problem of incomplete cleaning of metal scraps and sludge in the wastewater pool during steel ball production was solved, achieving efficient cleaning and reducing ground pollution.

CN224549235UActive Publication Date: 2026-07-24YICHANG PEARL STEEL BALL CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YICHANG PEARL STEEL BALL CO LTD
Filing Date
2025-07-23
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing technologies are unable to effectively clean metal debris and sludge from wastewater tanks during steel ball production, resulting in thick layers of sludge remaining at the bottom of the tanks and low cleaning efficiency.

Method used

Combining an electromagnetic chuck and a bucket, it uses electromagnetic attraction to attract metal debris and the bucket to clean ordinary silt. The bucket is made of non-magnetic material to avoid interference, and it is operated with a small gantry crane.

Benefits of technology

It achieves efficient cleaning of metal debris and sludge, avoids ground pollution caused by mud detaching from the magnetic disk during the cleaning process, and improves cleaning efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

A sewage pool excavator for steel ball grinding scrap processing, including mounting seat, left and right corresponding rotatable mounting shaft is installed on the mounting seat, the left side of the shaft is installed on the left excavator, the right side of the shaft is installed on the right excavator, left excavator, right excavator is opened or closed through the drive mechanism;The lower end of the mounting seat and the left excavator and the right excavator are fixedly installed with electromagnetic chuck, and the metal grinding scrap in the sewage pool is magnetically adsorbed when the electromagnetic chuck is powered on. The utility model provides a sewage pool excavator for steel ball grinding scrap processing, which can improve the cleaning degree of sludge in the sewage pool.
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Description

Technical Field

[0001] This utility model relates to the field of steel ball production, and in particular to a wastewater tank excavator bucket for processing steel ball grinding debris. Background Technology

[0002] During the steel ball grinding process, the balls are continuously rinsed with water to remove metal debris, grinding shavings, and dust from their surface. The wastewater from this rinsing flows into a wastewater tank for collection. The metal debris settles in the wastewater tank and requires regular cleaning. Currently, electromagnetic chucks (such as Yueyang Zhengzong lifting electromagnetic chucks, submersible chucks, strong magnetic electromagnets, and hoisting electromagnetic chucks, model MW) are used to pick up the metal debris and grinding shavings, then lift them to a collection box next to the tank. However, because the steel balls themselves accumulate dust throughout the production process, and the wastewater tank is located outside the factory and is an open structure, it contains not only metal debris and grinding shavings but also some sludge. The current method of cleaning with electromagnetic chucks cannot guarantee complete removal, and a thick layer of sludge often remains at the bottom of the tank. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide a wastewater tank bucket for treating steel ball grinding debris, which combines an electromagnetic chuck with the bucket to dig up both ordinary sludge and magnetically attracted metal debris, thereby improving cleaning efficiency. To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A wastewater tank bucket for treating steel ball grinding debris includes a mounting base with rotating shafts rotatably mounted on the left and right sides of the mounting base. A left bucket is mounted on the left rotating shaft, and a right bucket is mounted on the right rotating shaft. The left and right buckets are opened or closed by a drive mechanism. An electromagnetic chuck is fixedly installed at the lower end of the mounting base and inside the left and right buckets. When energized, the electromagnetic chuck magnetically attracts the metal grinding debris in the wastewater tank.

[0004] The drive mechanism includes a first gear coaxially connected to the left rotating shaft, a second gear spaced apart on one side of the first gear, and a double rack meshing with the first gear and the second gear on both sides respectively; the double rack is driven to move up and down by a lifting mechanism; the second gear is connected to the right rotating shaft by a chain transmission mechanism.

[0005] The lifting mechanism includes a screw fixedly connected to a double rack, the screw being threadedly connected to a threaded sleeve, and the threaded sleeve being connected to the output end of a waterproof motor.

[0006] The left and right buckets are made of austenitic stainless steel plates, which are non-magnetic.

[0007] The mounting base is U-shaped.

[0008] The mounting base has a lifting hole at its upper end.

[0009] This device is used in conjunction with a gantry crane above the sewage tank.

[0010] This utility model provides a wastewater tank bucket for treating steel ball grinding debris, which has the following technical advantages: 1) By combining the bucket with an existing magnet, the magnet can be used for rapid adsorption and removal; at the same time, the bucket can also be used to dig out ordinary mud and ash that cannot be adsorbed; this improves cleaning efficiency and removes silt that cannot be adsorbed.

[0011] 2) Covering the mud with a bucket can also prevent some of the mud from falling to the ground and causing pollution during transportation after it leaves the water. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments: Figure 1 This is a schematic diagram of the structure of this utility model.

[0013] Figure 2 for Figure 1 A magnified view of a portion of point A in the middle.

[0014] Figure 3 This is a cross-sectional view of the present invention.

[0015] Figure 4 This is a schematic diagram of the open state of this utility model.

[0016] Figure 5 This is a schematic diagram of the closed state of this utility model.

[0017] Figure 6 This is a schematic diagram of the first working state of this utility model.

[0018] Figure 7 This is a schematic diagram of the second working state of this utility model.

[0019] In the diagram: 1. Electromagnetic chuck; 2. Mounting base; 3. Rotary shaft; 4. Left bucket; 5. Right bucket; 6. First gear; 7. Second gear; 8. Double rack; 9. Slide rail; 10. Screw; 11. Threaded sleeve; 12. Waterproof motor; 13. First sprocket; 14. Second sprocket; 15. Chain; 16. Lifting hole. Detailed Implementation

[0020] like Figure 1-3As shown, a wastewater tank bucket for handling steel ball grinding debris includes an electromagnetic chuck 1, which is mounted on the lower surface of a mounting base 2. Rotary shafts 3 are rotatably mounted on the lower surface of the mounting base 2, outside the electromagnetic chuck 1, via bearings on both sides. The lower end of the left rotating shaft 3 is welded and fixed to a left bucket 4, and the lower end of the right rotating shaft 3 is welded and fixed to a right bucket 5. When the left bucket 4 and right bucket 5 are vertical, they close to form a storage space.

[0021] A first gear 6 is coaxially mounted on the left side of the mounting base 2 at the rotating shaft 3. A second gear 7 is spaced apart on one side of the first gear 6. The double rack 8 meshes with the first gear 6 and the second gear 7 on both sides respectively. The back of the double rack 8 slides with the slide rail 9 via a slider. The upper end of the double rack 8 is fixedly connected to the screw 10. The screw 10 is threadedly connected to the threaded sleeve 11. The upper end of the threaded sleeve 11 is connected to the output end of the waterproof motor 12. The waterproof motor 12 is mounted on the top of the mounting base 2 via a bracket.

[0022] The second gear 7 is coaxially connected to the first sprocket 13 and mounted on a short shaft, which is rotatably mounted on the mounting base 2 via bearings. A second sprocket 14 is coaxially mounted on a rotating shaft 3 located on the right side of the mounting base 2, and a chain 15 is wound between the first sprocket 13 and the second sprocket 14. When the second gear 7 rotates, it synchronously drives the first sprocket 13 and the second sprocket 14 to rotate.

[0023] During operation, the rotation of the waterproof motor 12 can drive the threaded sleeve 11 to rotate, which in turn causes the screw 10 and the double rack 8 to move up and down along the slide rail 9. The double rack 8 then drives the first gear 6 and the second gear 7 to rotate.

[0024] When the double rack 8 moves downward, the first gear 6 rotates clockwise, and the left bucket 4 opens outward clockwise; the second gear 7 rotates counterclockwise, which in turn drives the first sprocket 13 and the second sprocket 14 to rotate counterclockwise. When the second sprocket 14 rotates counterclockwise, the right bucket 5 opens outward counterclockwise.

[0025] When the double rack 8 moves downward, the first gear 6 runs counterclockwise, and the left bucket 4 closes counterclockwise inward; the second gear 7 runs clockwise, which in turn drives the first sprocket 13 and the second sprocket 14 to run clockwise. When the second sprocket 14 rotates clockwise, the right bucket 5 closes clockwise inward.

[0026] Preferably, the left bucket 4, the right bucket 5, and the first gear 6, the second gear 7, the first sprocket 13, and the second sprocket 14 that drive the left bucket 4 and the right bucket 5 are made of non-magnetic materials, such as non-magnetic stainless steel (austenitic stainless steel), to ensure that the operation of the buckets and the operation of the electromagnetic chuck 1 do not interfere with each other.

[0027] The electromagnetic chuck 1 in this application can adopt an existing conventional submersible electromagnet (submersible chuck). The submersible electromagnet is similar in principle to the submersible lifting electromagnetic chuck (salvage electromagnet) produced by Jining Tairun Heavy Industry Machinery Co., Ltd. Only the appearance of the traditional submersible chuck is improved and made into a circular or square shape according to the actual situation, and it is fixedly installed in the mounting seat 2. The cable of the electromagnetic chuck 1 (also a waterproof cable) is connected to the input terminal of the control box in the same existing manner.

[0028] At the upper end of the mounting seat 2 in this application, there is a lifting hole 16. A lifting rope is installed in the lifting hole 16, and the lifting rope is used to hang on the hook of a small gantry crane, so as to realize lifting and sending it into the steel ball grinding sewage pool.

[0029] In this application, the waterproof motor 12 is connected to the corresponding control box through a waterproof cable. The control box contains a frequency converter, a motor driver, a PLC, etc.

[0030] The small gantry crane supporting this device is installed on the track above the steel ball grinding sewage pool, including a trolley track (longitudinal movement track) and a crab track (lateral movement track). The trolley track is used for the whole machine to move longitudinally, and the crab track is used for the hoisting trolley to move laterally on the main beam. This technology is an existing technology, and this application simply describes it here.

[0031] Working principle and process: 1). As Figure 6 shown, when work is needed, this device is lifted into the pool by a small gantry crane and the dipper is gradually lowered; before or during the lowering of the dipper, the left dipper 4 and the right dipper 5 are opened. After the dipper reaches the mud layer, the lifting rope of the small gantry crane is slack, and the dipper uses gravity to partially insert into the mud.

[0032] 2). At this time, the electromagnetic chuck 1 is powered on, and the electromagnetic chuck 1 adsorbs metal filings (magnetic and can be adsorbed) within a certain range.

[0033] 3). Subsequently, the left dipper 4 and the right dipper 5 are gradually closed and a part of the sludge (mixture of metal filings and ordinary mud layer) is dug out, and finally it is lifted out of the water surface by a small gantry crane; then the left dipper 4 and the right dipper 5 are opened, the electromagnetic chuck 1 is powered off, and the internal medium is poured into the mud collecting box.

Claims

1. A wastewater tank bucket for handling steel ball grinding debris, characterized in that: The device includes a mounting base (2), on which rotating shafts (3) are rotatably mounted on the left and right sides respectively. A left bucket (4) is mounted on the left rotating shaft (3), and a right bucket (5) is mounted on the right rotating shaft (3). The left bucket (4) and the right bucket (5) are opened or closed by a drive mechanism. An electromagnetic chuck (1) is fixedly installed at the lower end of the mounting base (2) and inside the left bucket (4) and the right bucket (5). When the electromagnetic chuck (1) is energized, it magnetically attracts metal shavings in the sewage tank.

2. A wastewater tank bucket for treating steel ball grinding debris according to claim 1, characterized in that: The driving mechanism includes a first gear (6) coaxially connected to the left rotating shaft (3), a second gear (7) spaced apart on one side of the first gear (6), and a double rack (8) meshing with the first gear (6) and the second gear (7) on both sides respectively; the double rack (8) is driven to move up and down by a lifting mechanism; the second gear (7) is connected to the right rotating shaft (3) by a chain transmission mechanism.

3. A wastewater tank bucket for treating steel ball grinding debris according to claim 2, characterized in that: The lifting mechanism includes a screw (10) fixedly connected to a double rack (8), the screw (10) being threadedly connected to a threaded sleeve (11), and the threaded sleeve (11) being connected to the output end of a waterproof motor (12).

4. A wastewater tank bucket for treating steel ball grinding debris according to claim 3, characterized in that: The left bucket (4) and right bucket (5) are made of austenitic stainless steel plates made of non-magnetic material.

5. A wastewater tank bucket for treating steel ball grinding debris according to claim 3, characterized in that: The mounting base (2) is U-shaped.

6. A wastewater tank bucket for treating steel ball grinding debris according to claim 5, characterized in that: The mounting base (2) has a lifting hole (16) at its upper end.

7. A wastewater tank bucket for treating steel ball grinding debris according to claim 6, characterized in that: This device is used in conjunction with a gantry crane above the sewage tank.