CN212265337U

CN212265337U - Vibration type permanent magnet polishing device

Info

Publication number: CN212265337U
Application number: CN202021950241.XU
Authority: CN
Inventors: 于克强; 张绍恒; 李阔; 马学东
Original assignee: University of Science and Technology Liaoning USTL
Current assignee: University of Science and Technology Liaoning USTL
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-01-01
Anticipated expiration: 2030-09-09

Abstract

The utility model belongs to the technical field of the magnetic grinding polishing, especially, relate to a vibrating permanent magnetism burnishing device, a serial communication port includes the casing, with casing bottom fixed connection's lower plate, the cylinder base of being connected through this lower plate of spring, the container of setting in this cylinder base recess, a motor, set up the magnetic pole dish on the upper portion output shaft of this motor, set up a set of permanent magnetic pole II on this magnetic pole, a set of permanent magnetic pole I of evenly distributed's recess circumference outer fringe in the cylinder base, set up the eccentric block on the upper portion output shaft of motor and lower part output shaft respectively, set up magnetic needle and lapping liquid in the container. The utility model discloses a motor drives the high-speed rotation of magnetic pole dish, and then drives and optimizes II high-speed rotations of the permanent magnetic pole of arranging and form complicated changeable rotating magnetic field with peripheral static permanent magnetic pole I of container, and the magnetism steel needle strikes, draws and wipes workpiece surface under complicated rotating magnetic field and high-frequency vibration's common drive, and then reaches the effect of polishing workpiece surface.

Description

Vibration type permanent magnet polishing device

Technical Field

The utility model belongs to the technical field of the magnetism grinding and polishing, especially, relate to a vibrating permanent magnetism burnishing device.

Background

In the conventional machining process of mechanical parts, almost all machining methods such as turning, boring, drilling, milling, planing, grinding, drawing, thread machining, welding, stamping, electric spark machining, gear hobbing and the like cause the parts to generate machined burrs with different sizes and heights. The presence of these burrs seriously affects the service life and performance of the device. The prior commonly used deburring methods include manual deburring, sand blasting deburring, heat energy deburring, electrolytic deburring and the like. Various methods have advantages and disadvantages, and the magnetic grinding deburring technology has more and more attention paid to the advantages of high deburring efficiency, good processing quality, easy operation, low cost, wide application range and the like.

A new drum-type permanent-magnet polishing machine (CN 201120584Y) is named "magnet rotary polishing machine", and features that the drive axle of motor drives rotary disk, which has permanent magnets and magnetically conductive rotary disk to form several magnetic loops. The polishing machine is provided with a movable charging barrel which can be freely taken out; the electric control system can realize the starting, stopping, speed changing, timing and forward and reverse rotation of the movement of the turntable mechanism; a magnet turntable rotatable around the cartridge; the motor drives the turntable with permanent magnets to rotate, and the polishing machine can be used for magnetic grinding and precise polishing of small hardware or jewelry. The method can obtain good polishing effect, but because the magnets are fixedly distributed at the bottom and around the container, although the magnetic field can rotate along with the turntable driven by the motor to drive the magnetic steel needle to revolve and rotate, the whole body of the magnetic steel needle is monotonous circular motion parallel to the plane of the bottom of the container from the view of the motion track of the steel needle, and the steel needle is difficult to realize transition of different layers from the aspect of the layers, thereby affecting the polishing effect and efficiency.

Disclosure of Invention

The utility model aims at providing a simple structure, operation are reliable, convenient operation, and the part surface of various small complicacies can be carried out quick deburring, polishing grinding with low costs, pollution-free vibrating permanent magnetism burnishing device.

The purpose of the utility model is realized by the following technical scheme:

the utility model discloses a vibrating permanent magnetism burnishing device, its characterized in that includes the casing, set up inside this casing and through the support frame with casing bottom fixed connection's lower plate, through the cylinder base that the spring is connected with this lower plate, set up the container in this cylinder base recess, set up the container lid above this container, through the flange with the motor that the upper plate of cylinder base lower part is connected sets up the epaxial magnetic pole dish in the upper portion output of this motor, sets up a set of permanent magnetic pole II on this magnetic pole dish, and evenly distributed is in a set of permanent magnetic pole I of recess circumference outer fringe in the cylinder base sets up respectively the upper portion output shaft of motor and the epaxial eccentric block of lower part output set up magnetic needle and lapping liquid in the container.

The eccentric block on the upper output shaft of the motor is a fixed eccentric block, and the eccentric block on the lower output shaft of the motor is an adjusting eccentric block.

The spring is a cylindrical spiral compression spring, and the number of the springs is 8.

The cylinder seat is a seat body with side plates on the periphery and a hollow middle part.

The upper end of the spring is connected with the upper bottom plate at the lower part of the cylinder seat through a silica gel rod and a bolt, and the lower end of the spring is connected with the lower bottom plate through a silica gel rod and a bolt.

The utility model has the advantages that:

(1) the utility model discloses a vibrating permanent magnetism burnishing device adopts the polishing grinding processing that the permanent magnetism pole was arranged, and the magnetic line of force pierces through non-magnetism bobbin cradle and container, magnetizes the magnetism steel needle in the container, and along with the permanent magnetism pole on the magnetic pole dish is driven high-speed rotation by the motor, produces complicated rotating magnetic field with the peripheral static permanent magnetism pole combined action of container, drives the steel needle and polishes the workpiece surface;

(2) the utility model discloses a vibrating permanent magnetism burnishing device, its permanent magnetism utmost point mode of arranging can make the magnetic line of force distribution density and the magnetic field intensity of container bottom and periphery complicated to the utmost extent, and the magnetic line of force distributes more densely and more complicated in the container, and the process range of cylinder permanent magnetism burnishing device is big more, and magnetic field intensity is big more in the container, and burnishing device's polishing efficiency is high more;

(3) the utility model discloses a vibrating permanent magnetism burnishing device adopts the eccentric block structure, through adjusting the size and the phase place of the eccentric block, makes it produce exciting force couple and shimmy that change along the circumferencial direction, produces the vertical amplitude under the effect of spring and cylinder seat; the steel needle generates interlayer transition under the auxiliary action of vibration, so that the movement is more complicated, the polishing efficiency is higher, and the effect is better.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the supporting structure of the cartridge holder of the present invention.

Fig. 3 is a schematic diagram of arrangement of the permanent magnetic poles ii according to the present invention.

Detailed Description

The following further describes the embodiments of the present invention with reference to the drawings.

As shown in fig. 1-3, the vibrating permanent magnet polishing device of the present invention is characterized by comprising a housing 5, a lower plate 14 disposed inside the housing 5 and fixedly connected to the bottom of the housing 5 through a support frame, a cartridge holder 2 connected to the lower base plate 14 by a spring 8, a container 1 disposed in a recess of the cartridge holder 2, a container lid 12 disposed above the container 1, the grinding device comprises a motor 7 connected with an upper bottom plate 13 at the lower part of the cylinder seat 2 through a flange, a magnetic pole disk 9 arranged on an upper output shaft of the motor 7, a group of permanent magnetic poles II 4 arranged on the magnetic pole disk 9, a group of permanent magnetic poles I uniformly distributed on the peripheral edge of a groove in the cylinder seat 2, eccentric blocks respectively arranged on the upper output shaft and the lower output shaft of the motor 7, a magnetic needle 10 and grinding fluid 11 arranged in the container 1.

The eccentric block on the upper output shaft of the motor 7 is a fixed eccentric block 17, and the eccentric block on the lower output shaft of the motor 7 is an adjusting eccentric block 6.

The springs 8 are cylindrical spiral compression springs, and the number of the springs 8 is 8. The 8 cylindrical helical compression springs are evenly distributed along the circumference.

The cylinder seat 2 is a seat body with side plates 16 on the periphery and a hollow middle part.

The upper end part of the spring 8 is connected with the upper bottom plate 13 at the lower part of the cylinder seat 2 through a silica gel rod 15 and a bolt, and the lower end part of the spring 8 is connected with the lower bottom plate 14 through the silica gel rod 15 and the bolt.

The utility model discloses a vibrating permanent magnetism burnishing device when optimizing the magnetic pole and arranging, adopts a compound drive mode, uses motor 7 as the driving source promptly, drives the high-speed rotation of magnetic pole dish 9 of a set of permanent magnetic pole II 4 of upper surface rational arrangement to interact with I of the static a set of permanent magnetic pole of recess circumference outer fringe in the mount 2, finally form the changeable rotating magnetic field of magnetic line of force and magnetic field intensity. Meanwhile, the eccentric blocks are respectively and symmetrically arranged on the upper output shaft and the lower output shaft of the motor 7, axial vibration with different frequencies is formed by adjusting the distance and the angle of the eccentric blocks, and the axial vibration is transmitted to the container 1 through the cylinder seat 2 fixed with the motor 7. By placing the magnetic needle 10, the polishing liquid 11, and the workpiece 3 in the container 1, the magnetic needle 10 is magnetized by the rotating magnetic field and is rotated synchronously by the magnetic field. At the same time, the vibration causes the magnetic needle 10 in the container 1 to move up and down while rotating, and the vibration also generates a complicated vortex flow in the polishing liquid 11 in the container 1. Finally, the magnetic needle 10 forms high-speed revolution, rotation and leap motion, and impacts and scratches the surface of the workpiece 3, thereby realizing polishing.

The container 1 is placed in a groove of the cylinder seat 2, the permanent magnetic poles I are respectively embedded in the circumferential outer edge of the groove in the cylinder seat 2, and the permanent magnetic poles II 4 are arranged on the upper surface of the magnetic pole disc 9, namely on the periphery and the bottom of the container 1 respectively. The magnetic pole disc 9 is driven by the motor 7 to rotate at a high speed through an output shaft, a rotating permanent magnetic pole II 4 and a static permanent magnetic pole I on the cylinder base 2 form a complex variable rotating magnetic field, meanwhile, eccentric blocks at two ends of the shaft of the motor 7 generate excitation in rotation, and generate high-frequency vibration together with the cylinder base 2 for fixing the motor 7 through the cooperation of the spring 8. The combined action of the vibration and the complex rotating magnetic field creates a complex motion of the magnetic needle 10 inside the container 1.

The permanent magnet ii 4 can be arranged in the following manner: ten N poles on the magnetic pole disc 9 at the bottom of the container are upward and have equal magnetic poles, the distance between two adjacent magnetic poles is equal, six N poles in the middle are arranged in a square shape, and the excircles of the other four N poles are tangent to the excircles of the magnetic pole disc 9; the upward magnetic poles of the six S poles are equal in size, two S poles are arranged in groups at intervals with the N pole and are perpendicular to the long axis of the N pole ellipse, each S pole positioned in the middle of the magnetic pole disc 9 forms an equilateral triangle with the left and right pairs of N pole positions, and each S pole of the two groups of S pole magnetic poles at the outermost edge forms an equilateral triangle with the adjacent two N pole positions; the four S pole magnetic poles with smaller shapes are arranged in a square shape at the outermost edge of the magnetic pole disc 9, and the diagonal lines are superposed with the diagonal lines of the square formed by the N pole magnetic poles;

four permanent magnetic poles I positioned on the periphery of the container 1, namely the peripheral outer edge of the groove in the cylinder seat 2 are circularly arranged in S-S-N-N with a 90-degree difference.

The two ends of the output shaft of the motor 7 are respectively provided with an eccentric block, comprising a fixed eccentric block 17 and an adjusting eccentric block 6, so that the stepless adjustment of the exciting force can be realized.

The power source of the whole polishing device is a motor 7, the motor 7 drives a magnetic pole disc 9 to rotate through an output shaft, so that a permanent magnetic pole II 4 on the motor is driven to rotate, the magnetic force lines of the permanent magnetic pole II 4 interact with the non-rotating magnetic force lines of the permanent magnetic pole I uniformly distributed on the periphery of the circumference of the groove of the cylinder base 2, and a complex rotating magnetic field with the density and the distribution of the magnetic force lines changing constantly and the size and the direction of the magnetic field intensity changing constantly is formed. With the rotating magnetic field, the magnetic needle 10, the workpiece 3 and the grinding fluid 11 are mixed in the container 1 according to a certain proportion, and the magnetic needle 10 can perform complex motion along with the complex rotating magnetic field; in addition, the size and the phase position of the adjustable eccentric block 6 are adjusted to generate exciting force couple and shimmy which change along the circumferential direction, and the vertical amplitude is generated under the combined action of the spring 8. The complex rotating magnetic field and the vibration act together to make the magnetic needle 10 do complex and variable movements. The mass of the workpiece 3 is far greater than that of the magnetic needle 10, so that the workpiece 3 and the magnetic needle 10 can collide randomly at high frequency, burrs, fins and the like of the workpiece 3 are removed, and the purpose of polishing the workpiece 3 is achieved.

As shown in fig. 2, the cartridge 2 is used to receive and support the container 1. The upper end is provided with a cylindrical groove, the container 1 is placed in the groove when in work, the cylinder base 2 is hollow, the periphery of the cylinder base is provided with side plates 16, an upper bottom plate 13 of the cylinder base 2 is connected with the upper end part of the spring 8 through a silica gel rod 15 and a bolt, and the lower end part of the spring 8 is connected with a lower bottom plate 14 through the silica gel rod 15 and the bolt. A hole is cut between the upper bottom plate 13 and the lower bottom plate 14, a flange of the motor 7 is arranged on the upper bottom plate 13, and the lower bottom plate 14 is connected with the shell 5 through bolts and a support frame. The whole equipment is fixed on the ground through foundation bolts.

Example 1:

a vibration type permanent magnet polishing of a workpiece surface.

1. Cleaning the workpiece for 5-10 minutes by using an ultrasonic cleaning machine, and then drying by using a blower;

2. proportioning water, grinding fluid 11, grinding material and magnetic needle 10; 1500ml of water, 300g of magnetic needle with the diameter of 0.5mm, 25ml of grinding fluid 11 and 150g of magnetic grinding material are put into the container 1 together with the workpiece 3;

3. putting the container 1 into the cylinder base 2, adjusting the upper eccentric block and the lower eccentric block, connecting a power supply and turning on a starting switch;

4. timing for 10-15 minutes according to the amount of the workpiece 3, and carrying out vibration permanent magnet polishing on the surface of the workpiece 3;

5. after the processing is finished, pressing a stop button, taking out the container 1 and separating the workpiece 3 from the magnetic needle 10;

6. the workpiece 3 is cleaned for 5-10 minutes by an ultrasonic cleaning machine and then dried by a blower.

The utility model discloses a permanent magnetism utmost point high-speed rotation that optimizes the arrangement forms complicated changeable rotating magnetic field with static permanent magnetism utmost point. Meanwhile, the motor 7 generates up-and-down high-frequency vibration by adjusting the size and the phase of the eccentric block. The effect of polishing the surface of the workpiece is achieved by utilizing the combined action of the complex rotating magnetic field and the high-frequency vibration. The device has the advantages of high quality, high efficiency, simple structure, reliable operation, convenient operation, low cost, no pollution and the like.

Claims

1. A vibration type permanent magnet polishing device is characterized by comprising a shell, a lower bottom plate, a cylinder base, a container cover, a motor, a magnetic pole disc, a group of permanent magnetic poles, an eccentric block, a magnetic needle and grinding fluid, wherein the lower bottom plate is arranged in the shell and fixedly connected with the bottom of the shell through a support frame, the cylinder base is connected with the lower bottom plate through a spring, the container is arranged in a groove of the cylinder base, the container cover is arranged above the container, the motor is connected with an upper bottom plate at the lower part of the cylinder base through a flange, the magnetic pole disc is arranged on an upper output shaft of the motor, the group of permanent magnetic poles are arranged on the magnetic pole disc, the group of permanent magnetic poles are uniformly distributed at the periphery of the groove in the cylinder base, the eccentric block is respectively arranged.

2. The vibratory permanent magnet polishing machine of claim 1 wherein said eccentric mass on the upper output shaft of said motor is a fixed eccentric mass and said eccentric mass on the lower output shaft of said motor is an adjusting eccentric mass.

3. A vibratory permanent magnet polishing apparatus as set forth in claim 1 wherein said springs are cylindrical helical compression springs and said number of springs is 8.

4. A vibratory permanent magnet polishing apparatus as set forth in claim 1 wherein said barrel holder is a hollow body having side panels at its periphery.

5. A vibrating permanent magnet polishing device according to claim 1 or 3, wherein the upper end of the spring is connected to the upper bottom plate at the lower part of the barrel base by a silicone rod and a bolt, and the lower end of the spring is connected to the lower bottom plate by a silicone rod and a bolt.