CN112247793A - Dynamic steel ball derusting device and method - Google Patents

Dynamic steel ball derusting device and method Download PDF

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Publication number
CN112247793A
CN112247793A CN202011194118.4A CN202011194118A CN112247793A CN 112247793 A CN112247793 A CN 112247793A CN 202011194118 A CN202011194118 A CN 202011194118A CN 112247793 A CN112247793 A CN 112247793A
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China
Prior art keywords
metal balls
metal
driving shaft
turntable
wall surface
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Pending
Application number
CN202011194118.4A
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Chinese (zh)
Inventor
吴上生
兰侨
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South China University of Technology SCUT
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South China University of Technology SCUT
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Publication date
Application filed by South China University of Technology SCUT filed Critical South China University of Technology SCUT
Priority to CN202011194118.4A priority Critical patent/CN112247793A/en
Publication of CN112247793A publication Critical patent/CN112247793A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B27/00Other grinding machines or devices
    • B24B27/033Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B31/00Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
    • B24B31/10Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving other means for tumbling of work
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B24GRINDING; POLISHING
    • B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B55/00Safety devices for grinding or polishing machines; Accessories fitted to grinding or polishing machines for keeping tools or parts of the machine in good working condition
    • B24B55/06Dust extraction equipment on grinding or polishing machines
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B63SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
    • B63BSHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 
    • B63B59/00Hull protection specially adapted for vessels; Cleaning devices specially adapted for vessels
    • B63B59/06Cleaning devices for hulls

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Ocean & Marine Engineering (AREA)
  • Cleaning In General (AREA)

Abstract

The invention discloses a steel ball dynamic rust removal device and a method; comprises a supporting cylinder seat, an electromagnet sleeved on the cylinder body of the supporting cylinder seat; the bearing assembly includes a bearing and a drive shaft, the drive shaft passing through the bearing; the two ends of the driving shaft extend out of the supporting cylinder seat, one end of the driving shaft is fixedly connected with the circle center of the turntable, and the other end of the driving shaft is connected with the driving mechanism; the driving mechanism transmits the torque to the turntable through the driving shaft, and the turntable synchronously rotates along with the driving shaft; metal balls are fully distributed in the rotary table; a baffle is arranged at the bottom in the turntable along the radial direction; the metal balls are spread in the turntable to form a metal ball array rust removing surface formed by spreading a plurality of metal balls; when the rust removing device works, the rust removing surface of the metal ball array is pressed on the wall surface to be subjected to rust removing, and the electromagnet is powered off; when the turntable rotates, the baffle pushes the metal balls to circularly roll in the turntable, and the metal balls collide and rub with the wall surface to be derusted, so that not only can tangential friction be generated on the wall surface to be derusted, but also radial collision can be generated on the wall surface to be derusted, and iron rust on the wall surface to be derusted can be removed.

Description

Dynamic steel ball derusting device and method
Technical Field
The invention relates to a rust removing device, in particular to a dynamic steel ball rust removing device and method.
Background
After a ship works for a long time, the oxidation and corrosion phenomena can be generated on the surface of a ship body, so that the ship must be periodically subjected to rust removal and paint spraying maintenance to ensure the safety of the operation of the ship. The ship rust removal is to remove an oxide layer, rusty matters and an old paint layer on the surface of a ship body, and the thorough rust removal can provide a good contact substrate for paint spraying, so that the paint spraying quality is ensured, and the ship body is better protected.
At present, the manual handheld spray gun is mostly adopted for rust removal of ships in China by sand blasting, and in the rust removal mode, a large amount of ore sand needs to be consumed for removing each ship, and a large amount of manpower is needed. Workers hold the spray gun to work high above the ground, the reaction force of the spray gun is large, and the potential hazard that the workers fall from high above the ground is high. In the rust removal process, the powder ore directly enters air or is deposited in a dock, and air and water are polluted.
Disclosure of Invention
The invention aims to solve the defects that a large amount of ore sand needs to be consumed and the environment is polluted by adopting a sand blasting rust removing mode, and provides a steel ball dynamic rust removing device and a steel ball dynamic rust removing method. The invention removes the iron rust on the ship wall surface by the friction and collision of the metal ball and the ship wall surface, does not need a large amount of rust removing medium and does not pollute the environment.
The invention is realized by the following technical scheme:
a dynamic steel ball derusting device comprises a supporting cylinder seat 1 and an electromagnet 2 sleeved on a cylinder body of the supporting cylinder seat 1;
a bearing assembly is arranged in the cylinder of the supporting cylinder seat 1;
the bearing assembly comprises a bearing 3 and a drive shaft 4, wherein the drive shaft 4 passes through the bearing 3; the two ends of the driving shaft 4 extend out of the supporting cylinder seat 1, one end of the driving shaft is fixedly connected with the circle center of the rotating disc 8, and the other end of the driving shaft is connected with a driving mechanism; the driving mechanism transmits the torque to the turntable 8 through the driving shaft 4, and the turntable 8 synchronously rotates along with the driving shaft 4;
the metal balls 9 are fully distributed in the rotary table 8; a baffle 91 is arranged at the bottom in the rotary table 8 along the radial direction; the metal balls 9 are spread in the rotary table 8 to form a metal ball array rust removing surface formed by spreading a plurality of metal balls 9;
during operation, the rust removing surface of the metal ball array is pressed on the wall surface to be derusted, and the electromagnet 2 is powered off; when the rotary table 8 rotates, the baffle plate 91 pushes the metal balls 9 to circularly roll in the rotary table 8, and the metal balls 9 collide and rub with the wall surface to be derusted, so that not only can tangential friction be generated on the wall surface to be derusted, but also radial collision can be generated on the wall surface to be derusted, and iron rust on the wall surface to be derusted can be removed.
The rust-removing surface of the metal ball array consists of an inner layer and an outer layer of metal balls 9 which are tiled; wherein the height of the baffle 91 is less than or equal to that of the inner layer metal ball 9 leveling layer; the outer layer of metal balls 9 protrudes beyond the peripheral edge 81 of the turntable 8 so as to be in contact with the descaling wall.
Holes are fully distributed on the peripheral wall of the peripheral edge 81 of the rotating disc 8; in the derusting process, under the mutual collision and extrusion action of the centrifugal force of the rotary disc 8 and the metal balls 9, rust or dirt is discharged to the outside of the rotary disc 8 from the holes, and the outside of the rotary disc 8 is recovered and transposed through external connection to collect the rust or the dirt.
The diameters of the inner and outer layers of metal balls 9 are the same or different.
The inner and outer layers of metal balls 9 are round or oval.
The driving shaft 4 and the rotary disc 8 are fixed through a pin 10; and a clamping groove is formed in the driving shaft 4 and used for installing an elastic check ring 5 for limiting the axial movement of the bearing 3.
The electromagnet 2 is fixed on the supporting cylinder seat 1 through a screw 7.
The outer bottom surface of the rotating disk 8 is in clearance fit with the electromagnet 2 and the supporting cylinder seat 1.
The metal ball 9 is a steel/iron ball.
A rust removing method by collision of a metal ball and a rust removing surface comprises the following steps:
dividing the metal balls 9 into two layers and filling the two layers into the turntable 8, and flatly laying and adsorbing the metal balls 9 in the turntable 8 under the action of the suction force of the electromagnet 2 to form a metal ball array rust removing surface formed by laying a plurality of metal balls 9;
pressing the rust removing surface of the metal ball array on the wall surface to be derusted, and powering off the electromagnet 2; the driving shaft 4 drives the turntable 8 to rotate, the baffle plate 91 pushes the inner layer metal balls 9 to roll, the inner layer metal balls 9 drive the outer layer metal balls 9 to rotate, simultaneously, the inner layer metal balls 9 generate top collision on the outer layer metal balls 9, and further, the outer layer metal balls 9 collide and rub with the wall surface to be derusted, so that tangential friction can be generated on the derusting wall surface, and radial collision can be generated on the derusting wall surface; in the derusting process, under the mutual collision and extrusion action of the centrifugal force of the rotary disc 8 and the metal balls 9, the removed iron rust or dirt is discharged to the outside of the rotary disc 8 through the holes and is collected by an external recovery device.
Compared with the prior art, the invention has the following advantages and effects:
according to the invention, the driving shaft 4 drives the turntable 8 to rotate, the baffle plate 91 pushes the inner layer metal ball 9 to roll, the inner layer metal ball 9 drives the outer layer metal ball 9 to rotate, simultaneously, the inner layer metal ball 9 generates top collision on the outer layer metal ball 9, and further the outer layer metal ball 9 collides and rubs with the wall surface to be derusted, so that not only can tangential friction be generated on the derusted wall surface, but also radial collision can be generated on the derusted wall surface; in the derusting process, under the mutual collision and extrusion action of the centrifugal force of the rotary disc 8 and the metal balls 9, the removed iron rust or dirt is discharged to the outside of the rotary disc 8 through the holes and is collected by a recovery device covered on the outside of the rotary disc 8, and the environment cannot be polluted.
The metal balls 9 are limited in the rotary table 8 to move mutually, rust removal is carried out by the collision and friction principle between the metal balls 9 and the rust removal wall surface, and the metal balls 9 can be recycled; according to the operation requirement, different derusting schemes can be realized by changing the shape of the metal ball 9.
The technical means of the invention is simple and easy to implement, portable, safe and convenient to use, and has no dust pollution in the construction process and no damage to the environment.
Drawings
FIG. 1 is a schematic sectional structure view of a steel ball dynamic rust removing device of the invention.
Fig. 2 is a schematic view of the structure of the turntable.
Fig. 3 is a structural distribution schematic diagram of the rotary table, the supporting cylinder seat and the metal balls.
Fig. 4 is a schematic view of a support cartridge.
Fig. 5 is a schematic diagram of the electromagnet structure.
Fig. 6 is a schematic view of the drive shaft structure.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
Examples
As shown in fig. 1-6. The invention discloses a dynamic steel ball derusting device, which comprises a supporting cylinder seat 1 and an electromagnet 2 sleeved on a cylinder body of the supporting cylinder seat 1;
a bearing assembly is arranged in the cylinder of the supporting cylinder seat 1;
the bearing assembly comprises a bearing 3 and a drive shaft 4, wherein the drive shaft 4 passes through the bearing 3; the two ends of the driving shaft 4 extend out of the supporting cylinder seat 1, one end of the driving shaft is fixedly connected with the circle center of the rotating disc 8, and the other end of the driving shaft is connected with a driving mechanism; the driving mechanism transmits the torque to the turntable 8 through the driving shaft 4, and the turntable 8 synchronously rotates along with the driving shaft 4;
the metal balls 9 are fully distributed in the rotary table 8; a baffle 91 is arranged at the bottom in the rotary table 8 along the radial direction; the metal balls 9 are spread in the rotary table 8 to form a metal ball array rust removing surface formed by spreading a plurality of metal balls 9;
during operation, the rust removing surface of the metal ball array is pressed on the wall surface to be derusted, and the electromagnet 2 is powered off; when the rotary table 8 rotates, the baffle plate 91 pushes the metal balls 9 to circularly roll in the rotary table 8, and the metal balls 9 collide and rub with the wall surface to be derusted, so that not only can tangential friction be generated on the wall surface to be derusted, but also radial collision can be generated on the wall surface to be derusted, and iron rust on the wall surface to be derusted can be removed.
The rust-removing surface of the metal ball array consists of an inner layer and an outer layer of metal balls 9 which are tiled; wherein the height of the baffle 91 is less than or equal to that of the inner layer metal ball 9 leveling layer; the outer layer of metal balls 9 protrudes beyond the peripheral edge 81 of the turntable 8 so as to be in contact with the descaling wall.
Holes are fully distributed on the peripheral wall of the peripheral edge 81 of the rotating disc 8; in the derusting process, under the mutual collision and extrusion action of the centrifugal force of the rotary disc 8 and the metal balls 9, rust or dirt is discharged to the outside of the rotary disc 8 from the holes, and the outside of the rotary disc 8 is recovered and transposed through external connection to collect the rust or the dirt.
The working principle of the invention is as follows: when the metal ball bearing does not work, the rotary table is upward, and the metal ball cannot fall out of the rotary table; when the device works, the electromagnet is powered on firstly to adsorb the metal balls in the turntable so that the metal balls cannot fall out, then the turntable is pressed on a wall surface to be derusted, after the metal balls are tightly pressed, the electromagnet is powered off, the driving shaft drives the turntable to rotate, the baffle plate in the turntable pushes the metal balls at the bottom layer in the turntable to rotate, and the metal balls at the bottom layer drive the metal balls at the outer layer to rotate while rotating; meanwhile, the metal balls at the bottom layer generate top collision on the metal balls at the outer layer positioned between the metal balls at the bottom layer, so that the metal balls at the outer layer generate collision on the wall surface to be derusted. The metal ball contacted with the wall surface to be derusted can generate tangential friction to the wall surface and radial collision, thereby removing the iron rust on the wall surface to be derusted and achieving the derusting effect.
The diameters of the inner and outer layers of metal balls 9 are the same or different, and can be determined according to practical application.
The shape of the inner and outer metal balls 9 is circular or elliptical and can be determined according to practical application.
The driving shaft 4 and the rotary disc 8 are fixed through a pin 10; and a clamping groove is formed in the driving shaft 4 and used for installing an elastic check ring 5 for limiting the axial movement of the bearing 3.
The electromagnet 2 is fixed on the supporting cylinder seat 1 through a screw 7.
The outer bottom surface of the rotating disk 8 is in clearance fit with the electromagnet 2 and the supporting cylinder seat 1.
The metal ball 9 is a steel/iron ball. The electromagnet 2 is of an annular structure and can be determined according to practical application.
The rust removing method comprises the following steps:
dividing the metal balls 9 into two layers and filling the two layers into the turntable 8, and flatly laying and adsorbing the metal balls 9 in the turntable 8 under the action of the suction force of the electromagnet 2 to form a metal ball array rust removing surface formed by laying a plurality of metal balls 9;
pressing the rust removing surface of the metal ball array on the wall surface to be derusted, and powering off the electromagnet 2; the driving shaft 4 drives the turntable 8 to rotate, the baffle plate 91 pushes the inner layer metal balls 9 to roll, the inner layer metal balls 9 drive the outer layer metal balls 9 to rotate, simultaneously, the inner layer metal balls 9 generate top collision on the outer layer metal balls 9, and further, the outer layer metal balls 9 collide and rub with the wall surface to be derusted, so that tangential friction can be generated on the derusting wall surface, and radial collision can be generated on the derusting wall surface; in the derusting process, under the mutual collision and extrusion action of the centrifugal force of the rotary disc 8 and the metal balls 9, the removed iron rust or dirt is discharged to the outside of the rotary disc 8 through the holes and is collected by an external recovery device.
As described above, the present invention can be preferably realized.
The embodiments of the present invention are not limited to the above-described embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and they are included in the scope of the present invention.

Claims (10)

1. The utility model provides a steel ball developments rust cleaning device which characterized in that: comprises a supporting cylinder seat (1) and an electromagnet (2) sleeved on the cylinder body of the supporting cylinder seat (1);
a bearing assembly is arranged in the cylinder of the supporting cylinder seat (1);
the bearing assembly comprises a bearing (3) and a driving shaft (4), wherein the driving shaft (4) penetrates through the bearing (3); the two ends of the driving shaft (4) extend out of the supporting cylinder seat (1), one end of the driving shaft is fixedly connected with the circle center of the rotating disc (8), and the other end of the driving shaft is connected with a driving mechanism; the driving mechanism transmits the torque to the turntable (8) through the driving shaft (4), and the turntable (8) synchronously rotates along with the driving shaft (4);
metal balls (9) are fully distributed in the rotary table (8); a baffle (91) is arranged at the bottom in the rotary table (8) along the radial direction; the metal balls (9) are spread in the rotary table (8) to form a metal ball array rust removing surface formed by spreading a plurality of metal balls (9);
when in operation, the rust removing surface of the metal ball array is pressed on the wall surface to be derusted, and the electromagnet (2) is powered off; when the rotary table (8) rotates, the baffle (91) pushes the metal balls (9) to circularly roll in the rotary table (8), and the metal balls (9) collide and rub with the wall surface to be derusted, so that tangential friction and radial collision are generated on the wall surface to be derusted, and rust on the wall surface to be derusted is removed.
2. The dynamic steel ball derusting device of claim 1, wherein: the rust removing surface of the metal ball array is formed by an inner metal ball (9) layer and an outer metal ball (9) layer which are tiled; wherein the height of the baffle (91) is less than or equal to that of the inner layer metal ball (9) leveling layer; the outer layer of metal balls (9) is spread out of the peripheral edge (81) of the turntable (8) so as to be in contact with the derusting wall.
3. The dynamic steel ball derusting device of claim 2, wherein: holes are fully distributed on the peripheral wall of the peripheral edge (81) of the rotary disc (8); in the derusting process, under the mutual collision and extrusion action of centrifugal force of the rotary disc (8) and the metal balls (9), rust or dirt is discharged to the outside of the rotary disc (8) through the holes, and the outside of the rotary disc (8) is externally connected with a recovery device to collect the rust or the dirt.
4. The dynamic steel ball derusting device of claim 3, wherein: the diameters of the inner layer metal ball (9) and the outer layer metal ball (9) are the same or different.
5. The dynamic steel ball derusting device of claim 4, wherein: the inner layer of metal balls (9) and the outer layer of metal balls (9) are circular or oval.
6. The dynamic steel ball derusting device of claim 4, wherein: the driving shaft (4) and the rotating disc (8) are fixed through a pin (10); and a clamping groove is formed in the driving shaft (4) and used for installing an elastic check ring (5) for limiting the axial movement of the bearing (3).
7. The dynamic steel ball derusting device of claim 4, wherein: the electromagnet (2) is fixed on the supporting cylinder seat (1) through a screw (7).
8. The dynamic steel ball derusting device of claim 4, wherein: the outer bottom surface of the rotary table (8) is in clearance fit with the electromagnet (2) and the supporting cylinder seat (1).
9. The dynamic steel ball derusting device of claim 4, wherein: the metal balls (9) are steel ball balls.
10. A rust removing method by collision of a metal ball and a rust removing surface is characterized by being realized by adopting the steel ball dynamic rust removing device in any one of claims 1 to 4, and the method comprises the following steps:
dividing the metal balls (9) into two layers and filling the two layers into the turntable (8), and flatly laying and adsorbing the metal balls (9) in the turntable (8) under the action of the suction force of the electromagnet (2) to form a metal ball array rust removing surface formed by laying a plurality of metal balls (9);
pressing the rust removing surface of the metal ball array on the wall surface to be derusted, and powering off the electromagnet (2); the driving shaft (4) drives the turntable (8) to rotate, the baffle (91) pushes the inner layer metal ball (9) to roll, the inner layer metal ball (9) drives the outer layer metal ball (9) to rotate, and simultaneously, the inner layer metal ball (9) generates top collision on the outer layer metal ball (9), so that the outer layer metal ball (9) collides and rubs with the wall surface to be derusted, tangential friction can be generated on the derusted wall surface, and radial collision can be generated on the derusted wall surface; in the derusting process, under the mutual collision and extrusion action of centrifugal force of the rotary disc (8) and the metal balls (9), removed iron rust or dirt is discharged to the outside of the rotary disc (8) through the holes and is collected by an external recovery device.
CN202011194118.4A 2020-10-30 2020-10-30 Dynamic steel ball derusting device and method Pending CN112247793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202011194118.4A CN112247793A (en) 2020-10-30 2020-10-30 Dynamic steel ball derusting device and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202011194118.4A CN112247793A (en) 2020-10-30 2020-10-30 Dynamic steel ball derusting device and method

Publications (1)

Publication Number Publication Date
CN112247793A true CN112247793A (en) 2021-01-22

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CN202011194118.4A Pending CN112247793A (en) 2020-10-30 2020-10-30 Dynamic steel ball derusting device and method

Country Status (1)

Country Link
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116967904A (en) * 2023-08-04 2023-10-31 浙江双银特材科技有限公司 Ultra-thin aviation stainless steel tube machining device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116967904A (en) * 2023-08-04 2023-10-31 浙江双银特材科技有限公司 Ultra-thin aviation stainless steel tube machining device
CN116967904B (en) * 2023-08-04 2024-05-10 浙江双银特材科技有限公司 Ultra-thin aviation stainless steel tube machining device

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