Miniature metal polishing device

Abstract

The utility model relates to a miniature metal polishing device which comprises a rotary magnetic table. A working area is arranged on the rotary magnetic table; a rotatable magnet is arranged below the working area; a polishing container is arranged above the working area; abrasive paper for polishing the workpiece is laid at the bottom of the polishing container; the workpiece is tightly attached to the abrasive paper under attraction of the magnet and rubs with the abrasive paper along with rotation of the magnet to achieve polishing. According to the utility model, a grinding medium is changed into the abrasive paper attached to the bottom of the polishing container, so that the miniature metal workpiece can be adsorbed on the surface of the abrasive paper by the magnet when being polished, and the miniature metal workpiece can effectively rub with the abrasive paper when the magnet rotates and the miniature metal workpiece continuously rotates; the contact area between the micro metal workpiece and the grinding medium is effectively ensured; particularly, when the miniature metal gasket is polished, due to the fact that the miniature metal workpiece is driven by the magnet to rotate and collide rapidly, the miniature metal workpiece can be turned over while being polished, and it is guaranteed that the two faces of the miniature metal gasket can be effectively polished.

Description

TECHNICAL FIELD

[0001] The utility model relates to tooling field especially relates to miniature metal polishing device. BACKGROUND

[0002] Magnetic force polishing machine can be divided into many types according to its different structure and working mode, and is suitable for different types and sizes of workpiece surface treatment. Selecting suitable magnetic force polishing machine can improve processing efficiency and grinding quality, and provides effective solution for workpiece surface treatment.

[0003] Magnetic force polishing machine is a common surface treatment equipment, and the magnetic force polishing machine is a kind of equipment for polishing the surface of workpiece by using magnetic force and abrasive, according to different polishing mode, structure and application field, the magnetic force polishing machine is mainly divided into the following types:

[0004] 1, translation type magnetic force polishing machine: translation type magnetic force polishing machine is ground and polished to workpiece by the action of workbench translation and magnetic force. It is suitable for larger surface workpiece, and the grinding efficiency is higher. Translation type magnetic force polishing machine is a kind of common magnetic force polishing machine, which adopts translation workbench to move workpiece, and the structure is simple, convenient to use, and suitable for polishing the surface of workpiece of various shapes.

[0005] 2, rotary type magnetic force polishing machine: rotary type magnetic force polishing machine is fixed by magnetic force, and the workpiece and abrasive are ground and polished when rotating. It is suitable for smaller diameter workpiece, and the grinding uniformity is better. Rotary type magnetic force polishing machine is a kind of equipment for polishing by combining workpiece rotation and magnetic force, and is suitable for mass workpiece surface polishing.

[0006] 3, vertical type magnetic force polishing machine: vertical type magnetic force polishing machine is a kind of equipment with vertical structure, workpiece is fixed on the workbench of magnetic force machine, and abrasive is ground and polished on the surface of workpiece by magnetic force. It is suitable for plane and curved surface workpiece. Vertical type magnetic force polishing machine is a kind of equipment for polishing workpiece vertically, which can carry out polishing treatment in two stages of rough grinding and fine grinding, and is suitable for high-precision workpiece surface treatment.

[0007] 4, magnetic needle type magnetic force polishing machine: magnetic needle type magnetic force polishing machine is a kind of magnetic force polishing machine using magnetic steel needle as abrasive. Magnetic steel needle is ground and polished on the surface of workpiece by abrasive under the action of magnetic force. It is suitable for small surface and complex shape workpiece. Magnetic force grinding machine is a kind of equipment for grinding by using steel needle and abrasive, which can carry out deburring, polishing, repairing and other surface treatment processes, and is suitable for surface treatment of various materials.

[0008] 5, eddy current magnetic force polishing machine: eddy current magnetic force polishing machine is a kind of equipment for surface polishing by using eddy current magnetic field and magnetic abrasive, and is suitable for surface treatment of stainless steel, aluminum alloy and other materials.

[0009] The above various types of magnetic force polishing machines can polish the surface of different workpieces, but it is difficult for them to effectively polish micro metal pieces, especially micro metal pieces with a size of 0.5-2 mm. When polishing metal gaskets with a size less than 1 mm, it is found that the machining burrs on the outer edge of the metal gasket are difficult to remove after several hours of grinding by using a rotating magnetic force polishing machine or a magnetic needle type magnetic force polishing machine which is specially used for polishing workpieces with a small diameter. The polishing effect of traditional abrasives or magnetic needles on such micro metal pieces is poor, and the contact area is small. Since the metal piece has a small volume and high hardness, when the contact area cannot meet the demand, it is difficult to effectively polish the metal piece. Practical new type content

[0010] In order to solve the above problems in the prior art, the utility model provides a micro metal polishing device.

[0011] In order to achieve the above purpose, the utility model adopts the main technical scheme that includes:

[0012] The micro metal polishing device includes a rotating magnetic table, a work area is arranged on the rotating magnetic table, a rotatable magnet is arranged below the work area, a polishing container is arranged above the work area, sandpaper for grinding workpieces is arranged on the bottom of the polishing container, and the workpieces are tightly attached to the sandpaper and rubbed with the sandpaper to realize polishing under the attraction of the magnet.

[0013] Further, the magnet is driven to rotate by a motor.

[0014] Further, the polishing container includes a cylinder and a bottom cover, the cylinder is a hollow cylinder, an outer thread is arranged on the bottom of the cylinder, an inner thread matched with the outer thread is arranged on the bottom cover, and the sandpaper is arranged on the bottom of the bottom cover and is pressed by thread connection of the cylinder and the bottom cover.

[0015] Further, the sandpaper is pasted on the bottom of the polishing container by glue.

[0016] Further, a first grinding body is arranged in the polishing container.

[0017] Further, the first grinding body is water.

[0018] Further, the sandpaper is diamond sandpaper.

[0019] Further, an operation button for controlling the rotation of the magnet is arranged on the rotating magnetic table.

[0020] The utility model discloses a beneficial effect is: through the medium of grinding is changed to the sandpaper attached in the bottom of polishing container, makes the micro metal workpiece when polishing can be magnetite adsorbed on the sandpaper surface, magnetite rotates, and the micro metal workpiece can also effectively rub with sandpaper when constantly rotating, effectively guarantee the contact area of micro metal workpiece and grinding medium, especially for the polishing of micro metal gasket, because the rapid rotation of micro metal workpiece driven by magnetite collides, makes the micro metal workpiece can also realize turning over when polishing, guarantees that micro metal gasket both sides can be effectively polished, solves the problem of micro metal workpiece polishing difficulty. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical scheme of the utility model embodiment, the following will be needed to use the drawings in the embodiment briefly introduced, should understand, the following drawings only shows some embodiments of the utility model, therefore should not be seen as the limitation to the scope, for the ordinary skilled person in the art comes, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0022] Figure 1 It is the structure schematic diagram of the utility model;

[0023] Mark explanation:

[0024] 100, rotating magnetic table;110, work area;120, magnetite;130, operation button;200, polishing container;210, barrel;220, bottom cover;230, sandpaper. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clearly, the following will be combined with the drawings in the utility model embodiment, and the technical scheme in the utility model embodiment is clearly and completely described, obviously, the described embodiment is a part of the embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making the creative labor belong to the scope of the utility model protection. Therefore, the following detailed description of the embodiment of the utility model provided in the drawings is not intended to limit the scope of the claimed utility model, but only represents the selected embodiment of the utility model. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skilled person in the art without making the creative labor belong to the scope of the utility model protection.

[0026] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate the position or location relationship based on the position or location relationship shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0027] In the description of the utility model, it is necessary to explain that, unless otherwise expressly provided and limited, the terms "installation", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0028] Embodiment:

[0029] As Figure 1 The utility model micro -size metal polishing device mainly aims at the polishing of micro -size metal workpiece of product size is about 0.5-2mm, can solve the polishing of this kind of micro -size metal workpiece is difficult, the problem of poor polishing effect, when specifically aiming at the polishing of metal gasket of product size less than 1mm, the polishing device of the utility model only needs about 10 minutes to complete, and the traditional rotary type magnetic polishing machine is not completely removed after polishing and grinding for three days

[0030] The micro -size metal polishing device includes rotary magnetic table 100;The working area 110 is arranged on the rotary magnetic table 100;Rotatable magnet 120 is arranged below the working area 110;The working area 110 can be as Figure 1The work area 110 can be part of the area in the middle of the rotating worktable, and can also be the upper surface of the rotating worktable, mainly depending on the size of the internal rotatable magnet 120; the magnet 120 is driven to rotate by a motor; the rotating magnetic table 100 is provided with operation buttons 130 for controlling the rotation of the magnet 120; the rotating magnetic table 100 is a commonly used device in the art, and therefore the structures not specifically described are not described here again, and all belong to the general technology in the art; the polishing container 200 is arranged above the work area 110; the bottom of the polishing container 200 is paved with sandpaper 230 for polishing workpieces; the workpiece is tightly attached to the sandpaper 230 under the attraction of the magnet 120 and follows the rotation of the magnet 120 to rub against the sandpaper 230 to achieve polishing; through this structure design, the traditional movable polishing medium such as a spherical polishing ball or a magnetic polishing needle is cancelled; and the bottom of the polishing container 200 is entirely provided as a polishing area, the metal workpiece is effectively adsorbed on the sandpaper 230 by the friction of the rotation of the metal workpiece and the sandpaper 230 and the magnetic force of the magnet 120, the polishing quality is ensured, compared with the existing technology, the friction between the polishing medium and the metal workpiece is realized by the rotation of the polishing container 200, and better polishing effect is achieved, the polishing time can be greatly shortened, and the polishing of micro metal workpieces is also very suitable; in traditional polishing, because the size of the metal workpiece is relatively large, the magnetic polishing usually needs to drive the high-speed movement of the polishing medium (magnetic steel needle) to achieve polishing, and the metal workpiece is more likely to turn over multiple angles in the rotation and collision under the attraction of the magnet 120, so that the uniformity of polishing at each position is ensured, and the working principle and effect of the traditional magnetic polishing machine are also different;

[0031] In an embodiment, the polishing container 200 comprises a cylinder body 210 and a bottom cover 220; the cylinder body 210 is a hollow cylinder; an outer thread is arranged at the bottom outer circle of the cylinder body 210; an inner thread is arranged on the bottom cover 220 and matched with the outer thread; the sandpaper 230 is laid on the bottom of the bottom cover 220 and pressed by the threaded connection of the cylinder body 210 and the bottom cover 220; through this arrangement, the sandpaper 230 can be conveniently replaced; the top of the polishing container 200 is not covered, the polishing condition can be observed by naked eyes, and the reaction can be quickly made in an abnormal condition; because the micro metal workpiece is always attached to the surface of the sandpaper 230 during the work of the utility model, the micro metal workpiece will not fly out of the polishing container 200, compared with the commonly used closed polishing container 200 in the prior art, the utility model has a better use scene and a more convenient use effect;

[0032] In another embodiment, the polishing container 200 is an integral structure, and the sandpaper 230 is pasted on the bottom of the polishing container 200 by glue;

[0033] In an embodiment, the polishing container 200 is provided with a first abrasive body; the first abrasive body is water; by providing water as the abrasive body, on one hand, lubrication can be provided, the friction strength between the micro metal workpieces is reduced, meanwhile, the debris generated during polishing can be absorbed; on the other hand, the micro metal workpieces can be provided with buoyancy, so that the micro metal workpieces are more easily turned to multiple angles when colliding with each other, thereby ensuring the uniformity of polishing at various positions.

[0034] In an embodiment, the sandpaper 230 is a diamond sandpaper 230.

[0035] The above description is only an embodiment of the present application, and does not limit the patent range of the present application, and any equivalent transformation or direct or indirect application in the related technical field by using the content of the present application specification and drawings is also included in the patent protection range of the present application.

Claims

1. A micro metal polishing device, characterized by: The utility model provides a rotating magnetic table, including rotating magnetic table (100), work area (110) is equipped on rotating magnetic table (100), rotatable magnet (120) is equipped below work area (110), polishing container (200) is equipped above work area (110), the bottom of polishing container (200) is paved with sandpaper (230) for grinding work piece, work piece is closely attached to sandpaper (230) and follows the rotation of magnet (120) and sandpaper (230) friction realizes polishing under the suction of magnet (120).

2. The micro metal polishing device of claim 1, wherein: The magnet (120) is driven to rotate by a motor.

3. The micro metal polishing device of claim 1, wherein: The polishing container (200) includes a cylinder (210) and a bottom cover (220), the cylinder (210) is a hollow cylinder, an outer thread is arranged on the bottom of the cylinder (210), the bottom cover (220) is provided with an inner thread matched with the outer thread, and the sandpaper (230) is laid on the bottom of the bottom cover (220) and is compressed by the threaded connection between the cylinder (210) and the bottom cover (220).

4. The micro metal polishing device of claim 1, wherein: The sandpaper (230) is pasted on the bottom of the polishing container (200) by glue.

5. The micro metal polishing device of claim 1, wherein: A first grinding body is arranged in the polishing container (200).

6. The micro metal polishing device of claim 5, wherein: The first grinding body is water.

7. The micro metal polishing device of claim 6, wherein: The sandpaper (230) is diamond sandpaper (230).

8. The micro metal polishing device of claim 1, wherein: The rotating magnetic table (100) is provided with an operation button (130) for controlling the rotation of the magnet (120).

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