CN201120584Y - Magnet swinging polisher - Google Patents
Magnet swinging polisher Download PDFInfo
- Publication number
- CN201120584Y CN201120584Y CNU2007200119849U CN200720011984U CN201120584Y CN 201120584 Y CN201120584 Y CN 201120584Y CN U2007200119849 U CNU2007200119849 U CN U2007200119849U CN 200720011984 U CN200720011984 U CN 200720011984U CN 201120584 Y CN201120584 Y CN 201120584Y
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Abstract
Disclosed is a magnet rotary type polishing machine, which comprises a rotary disc driven by a transmission shaft of a motor, and an electrical control system; and is characterized in that N-S pole alternant permanent magnets are arranged on a rotary disc and can form a plurality of magnetic loops with the rotary disc that is magnetic conductive. The polishing machine is also provided with a movable charging basket that can be taken out freely; the electrical control system can realize the starting, stopping, speed changing and positive-inverted turning motion of a rotary disc mechanism; a motor drives a magnet rotary disc that can rotate around the charging basket; meanwhile, a magnetic needle and magnetic grinding materials impact with a workpiece due to the centrifugal force and magnetic force, thereby reaching the effects of fast removing burrs and chamfering edges, polishing and cleaning to stainless steel, copper, aluminum and magnesium alloy as well as various iron, carbon-steel, gold, silver, rigid plastics and gem parts. The rotary type polishing machine can realize the high efficiency grinding to dead angles such as small and fine inner holes, inner surfaces of pipes and cracks; and can replace the workpiece charging basket during the running of the machine. The polishing machine has advantages of convenient and simple operation, low cost and non-pollution.
Description
Technical field
A kind of magnetite swinging polishing machine of the present utility model, relevant with grinding machinery, belong to the magnetic grinder technical field.
Background technology
In order to reduce Part Surface Roughness, in the prior art, method for finishing processing commonly used has: manual polishing, ultrasonic polishing, chemistry and electrochemical polish or the like.In the polishing for surfaces of complex shape, manual polishing is the most frequently used finely finishing method, because this method does not need special equipment, the polishing motion is flexible, and adaptability is more intense.But manual polishing mainly depends on operator's experience skill level and qualification, and production efficiency is low, the quality instability, and labor strength is big.Even be subjected to the restriction in die cavity space sometimes, even manual polishing also can't process, particularly for then being difficult to carry out polishing such as dead angles such as tiny endoporus, micro concavo-convex surface, cracks in the parts such as ironware and jewellery.
Traditional Ginding process, its polishing particles does not have magnetic.In magnetic ground, polishing particles is upset in charging basket, mobile fast for the magnetic force of accepting different directions, it must be combined into the material that has magnetic and have nonferromagnetic substance.Composite methods is a lot, for example sintering, bonding, chemical synthesis etc.
The Ginding process that the employed magnetic polishing of magnetite swinging polishing machine is a kind of emerging development is to come cutting workpiece with magnetic abrasive grain and needle as cutter.Magnetite swinging polishing machine is in when work, is immersed in workpiece in the lapping liquid and magnetic abrasive grain and needle and all is in the discreteness free state.The grinding force of this lapping device originates from magnetic force and because strain, plastic deformation and the magnetic abrasive grain that causes after contacting between the centrifugal force that rotating disk rotation is produced, the magnetic abrasive grain in the charging basket and needle and the workpiece and the frictional force between needle and the surface of the work of permanet magnet.Simultaneously because magnetic abrasive grain and needle are the discreteness free state, except will overcoming on the plurality of magnetic loop effect from different directions magnetic force, the magnetite rotating disk mechanism when rotated, discreteness free abrasive and needle also will overcome action of centrifugal force.Therefore when structural design, to consider multiple correlative factor.
Summary of the invention
The utility model has overcome the problem that prior art exists, remedied the technological gap of magnetic field of milling, its purpose is to provide a kind of magnetite swinging polishing machine that is used for hardware or jewellery, big or small parts such as stainless steel, copper, aluminium, magnesium alloy, various iron, carbon steel, gold, silver, rigid plastics is removed burr, chamfering, polishing fast clean.This polishing machine not only can be finished efficiently, in high quality to realizing high-efficient grinding such as dead angles such as tiny endoporus, interior pipe, cracks; And can in machine run, replace the workpiece charging basket, easy to operate simple, cost is low, pollution-free, simple in structure, low cost of manufacture, long service life.
Above-mentioned purpose of the present utility model is achieved through the following technical solutions.
A kind of magnetite swinging polishing machine comprises the rotating disk and the electric control system thereof that are driven by drive axle of motor; It is characterized in that but the rotating disk that permanet magnet and magnetic conduction are installed on the said rotating disk constitutes several magnetic loops.But above-mentioned permanet magnet replaces the N-S utmost point to be laid on the rotating disk of magnetic conduction.This polishing machine is provided with the movable charging basket that can freely take out; Can realize rotating disk mechanism motion startup, stop, the electric control system of speed change, timing and rotating; Can be around the magnetite rotating disk of charging basket rotation; Driven by motor is laid the dial rotation of permanet magnet, and the magnetic that can be used for hardware or jewellery grinds precise polished.
By the magnetic line of force that magnetite produced on the rotary turnplate, penetrate nonmagnetic charging basket and support, drive charging basket interior needle, magnetically grinding material and workpiece along with magnetic field rotates at a high speed; Simultaneously, because the effect of centrifugal force and magnetic force, needle and magnetically grinding material and workpiece collide mutually, rub, and reach big or small parts such as stainless steel, copper, aluminium, magnesium alloy, various iron, carbon steel, gold, silver, rigid plastics are removed burr, chamfering, the clean effect of polishing fast.
When magnetic grinder designs, consider that the volume of processing unit (plant) is little, functional will getting well adopts permanet magnet as magnetic force the source to take place.
Permanet magnet is arranged and is had certain feature on the rotating disk: on the rotating disk in the horizontal direction, with the N utmost point of 10 permanent magnets and S utmost point placement in a jumble brokenly on rotating disk of the permanent magnet of quantity equally; The N utmost point of 4 permanent magnets and the permanent magnet S utmost point of same quantity in vertical direction are arranged in two layers.When rotating disk rotates by a direction with Chang Su, these permanent magnets produce several alternating magnetic fields, the circumferencial direction of workpiece and magnetically grinding medium, radially all be subjected to the effect of the magnetic line of force with vertical direction, cause that workpiece and magnetically grinding medium flow in a kind of irregular mode.The type of flow can be divided into three groups of different modes, and one group flows along the direction of circumference; One group flows radially; Another group flows vertically.Like this, surface of the work is subjected to the power of different directions, and no matter how complicated its shape is, can be by finishing equably, and the clear area of not flowing.
Comprise needle, magnetically grinding particle in the abrasive media, can in several irregular magnetic fields, be magnetized, workpiece is ground and polishes along the magnetic line of force of different directions.Abrasive media and workpiece are blended in the lapping liquid with certain viscosity, and lapping liquid not only plays lubricated effect, can also produce buoyancy to workpiece and abrasive media.The volume of lapping liquid accounts for about 2/3 of charging basket container cumulative volume.
Charging basket can be made by materials such as any nonmagnetic substance such as plastics, synthetic resin.
For fear of magnetic leakage, design a magnetic rotary disk and fixing permanet magnet, make magnetic pole be interconnected to form several closed magnetic loops, increase the magnetic field intensity in the working region to greatest extent, increase work efficiency.In order to guarantee crudy, the gap that relies on running accuracy to keep between rotating disk and the support is consistent.
Design one cover can realize rotating disk mechanism motion startup, stop, the electric control system of speed change, timing and rotating.When power supply is closed, can selects the rotating speed of required usefulness and turn to and utilize timer to set required milling time by external switch.Actuating motor also drives the rotating disk rotation by the transmission of axle, so that magnetite swinging polishing machine is worked.When arriving the setting-up time of timer, delay switch disconnects and makes motor stop the rotation.Also can select reverse rotation as required, make motor task again ..., so repeated multiple times is ground, and reaches till the desired surface roughness of design, and the magnetic attrition process finally finishes.
This magnetic grinds the advantage and the effect of precise polished machine:
1, adopt magnetite swinging magnetic attrition process, the magnetic line of force can penetrate nonmagnetic support and charging basket as the x ray, with workpiece in the charging basket (if magnetic material) and the magnetization of magnetically grinding medium, utilizes magneticaction that workpiece is polished.Tiny magnetically grinding medium can enter the position of the arbitrary shape that universal cutter can't get involved, such as surfaces such as tiny endoporus, interior pipe, cracks, the direction that arrangement position by the change outer permanet magnet just can change the magnetic line of force can be controlled magnetically grinding medium track according to the rules and grind piece surface, finish in the ordinary skill the complex-curved needed polishing that can't carry out, do not have the dead angle.
2, adopt the design of magnetite rotary structure, charging basket is static, and the workpiece in the charging basket can not produce fierce collision with other media because of inertia, has guaranteed that to greatest extent the form accuracy of workpiece is not damaged.
3, because charging basket is static, motor only need drive the rotating disk motion, can select low-power motor for use, reduces cost, and reduces energy consumption.
4, permanet magnet can produce several alternating magnetic fields according to level with vertical direction is irregular arranges on the rotating disk.Like this, no matter how complicated the surface of the work shape is, can be subjected to the power of different directions, by finishing equably, and the clear area of not flowing.
5, motor is placed in and is furnished with on the vibrating base that spring constitutes, and can utilize vibration to make needle, magnetically grinding material and workpiece bob in the charging basket, increases motion frequency, improves grinding efficiency.
6,, low cost of manufacture simple in structure at hardware or the newly-designed polishing machine of jewellery, long service life are suitable for large-scale promotion and application.
Description of drawings
Fig. 1 is the utility model magnetically grinding process principle figure.
Workpiece and abrasive media motion schematic diagram that Fig. 2 causes for the rotation of the utility model external magnetic field.
Fig. 3 is the utility model pole arrangement schematic diagram.
Fig. 4 is a utility model magnetite swinging polishing machine structural representation
In the accompanying drawing 4: 1, outer bucket; 2, motor; 3, power transmission shaft; 4, rotating disk; 5, permanet magnet; 6, support; 7, charging basket; 8, needle; 9, magnetically grinding particle; 10, workpiece; 11, forward-reverse switch; 12, power switch; 13, timer switch; 14, rotational speed regulation switch; 15, spring.
The specific embodiment
Shown in accompanying drawing, specifically introduce the utility model.
The utility model magnetic attrition process principle as shown in Figure 1, charging basket 7 outside levels can penetrate nonmagnetic support 6 and charging basket 7 with the magnetic line of force that the permanet magnet 5 that vertical direction is arranged produces as the x ray, with workpiece (if magnetic material) in the charging basket 7 and the magnetization of magnetically grinding medium, because the effect of magnetic force, magnetically grinding medium and workpiece run foul of each other, rub, and polish workpiece is comprehensive.
The utility model external magnetic field rotates workpiece and the abrasive media motion schematic diagram that causes as shown in Figure 2, external permanent magnets produces several alternating magnetic fields, the circumferencial direction of workpiece and magnetically grinding medium, radially all be subjected to the effect of the magnetic line of force with vertical direction, cause that workpiece and magnetically grinding medium flow in a kind of irregular mode.One group flows along the direction of circumference; One group flows radially; Another group flows vertically.To satisfy the needs of processing.
The utility model pole arrangement schematic diagram on the rotating disk 4 in the horizontal direction, is placed the N utmost point of 10 permanent magnets and the S utmost point of the permanent magnet of same quantity on rotating disk brokenly in a jumble as shown in Figure 3; The N utmost point of 4 permanent magnets and the permanent magnet S utmost point of same quantity in vertical direction are arranged in two layers.When rotating disk 4 rotations, these permanent magnets produce magnetic field several alternations, irregular, do not stay the processing dead angle.
The utility model magnetite swinging polishing machine structural representation as shown in Figure 4, this polishing machine is by outer bucket 1; Motor 2; Power transmission shaft 3; Rotating disk 4; Permanet magnet 5; Support 6; Charging basket 7; Needle 8; Magnetically grinding particle 9; Workpiece 10; Forward-reverse switch 11; Power switch 12; Timer switch 13; Rotational speed regulation switch 14; Spring 15 is formed.The magnetic line of force that magnetite produced on the rotary turnplate 4 penetrates nonmagnetic charging basket 7 and support 6, and needle, magnetically grinding material and workpiece in the drive charging basket 7 are along with magnetic field rotates at a high speed; Simultaneously, because the effect of centrifugal force and magnetic force, needle and magnetically grinding material and workpiece collide mutually, rub, and reach parts such as stainless steel, copper, aluminium, magnesium alloy, various iron, carbon steel, gold, silver, rigid plastics are removed burr, chamfering, the clean effect of polishing fast.Can also utilize that a cover can be realized the startup of rotating disk mechanism motion, stops, the electric control system of speed change, timing and rotating, electric control system is formed by motor 2 and in conjunction with external power switch 12, forward-reverse switch 11, timer switch 13, speed switch 14, set rotating speed, turn to and milling time, satisfy the desired surface roughness of design.Motor 2 is placed in to be furnished with on the vibrating base that spring 15 constituted.
Claims (4)
1. a magnetite swinging polishing machine comprises rotating disk [4] and electric control system thereof that motor [2] power transmission shaft [3] drives; It is characterized in that permanet magnet [5] is installed on the said rotating disk [4] but constitute several magnetic loops with the rotating disk [4] of magnetic conduction.
2. magnetite swinging polishing machine according to claim 1 is characterized in that said permanet magnet [5] but replaces the N-S utmost point laying on the rotating disk [4] of magnetic conduction.
3. magnetite swinging polishing machine according to claim 1 is characterized in that said motor [2] is placed on [15] vibrating base that constituted of being furnished with spring.
4. magnetite swinging polishing machine according to claim 1 is characterized in that described electric control system forms by motor [2] and in conjunction with external power switch [12], forward-reverse switch [11], timer switch [13], speed switch [14].
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CNU2007200119849U CN201120584Y (en) | 2007-04-30 | 2007-04-30 | Magnet swinging polisher |
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CNU2007200119849U CN201120584Y (en) | 2007-04-30 | 2007-04-30 | Magnet swinging polisher |
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CNU2007200119849U Expired - Fee Related CN201120584Y (en) | 2007-04-30 | 2007-04-30 | Magnet swinging polisher |
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