Grinding device for burrs on surface of magnetic core

Abstract

The utility model relates to a grinding device for burrs on the surface of a magnetic core, which relates to the technical field of magnetic core production and comprises a vibration kettle, grinding materials are filled in the vibration kettle, a hollow axle box is arranged along the axis of the vibration kettle, a vibration motor is mounted on the inner wall of the axle box, the magnetic core and the grinding materials are ground by adding water in the vibration kettle, and deburring processing of the magnetic core is realized. A vibration pipe is arranged around the outer wall of the axle box, and the end part of the vibration pipe extends into the grinding material, so that the overall vibration conduction efficiency in the vibration kettle is ensured, and grinding is accelerated; the discharging channel is matched with the water filtering opening, so that collection of the magnetic cores in the vibration kettle and filtering of spraying water are achieved, and collection of the magnetic cores is facilitated; a bottom plate is arranged at the bottom of the vibration kettle, a spring vibration reduction mechanism is arranged below the bottom plate, the spring vibration reduction mechanism comprises a vibration reduction box, and a plurality of uniformly distributed vibration reduction springs are arranged in the vibration reduction box to reduce collision.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic core production, in particular to a grinding device for burrs on the surface of a magnetic core. Background Art

[0002] Magnetic cores have high magnetic permeability and high magnetic flux density, and are widely used in coils and transformers of electronic devices, with extensive applications in multiple fields. After sintering and segmentation of magnetic cores, their surface accuracy is relatively low, with burrs and oxide layers. If directly put into use without grinding, the surface burrs are likely to cut through the insulating layer of the coil winding, affecting the normal operation of the transformer. Existing magnetic core deburring devices mostly adopt a single grinding method, seriously reducing production efficiency. Summary of the Utility Model

[0003] In order to improve the problems in the above background art, the utility model provides a grinding device for burrs on the surface of a magnetic core.

[0004] A grinding device for burrs on the surface of a magnetic core provided by the utility model adopts the following technical scheme:

[0005] A grinding device for burrs on the surface of a magnetic core includes a vibration kettle. An inlet channel is arranged at the upper end of the vibration kettle, a spray pipe is arranged above the inlet channel, an outlet channel is arranged at the lower end of the vibration kettle, and a water filter port is opened at the bottom side of the outlet channel; the inside of the vibration kettle is filled with grinding material, a hollow shaft box is arranged along the axis of the vibration kettle, and a vibration motor is installed on the inner wall of the shaft box; a bottom plate is arranged at the bottom of the vibration kettle, and a spring damping mechanism is arranged below the bottom plate.

[0006] Preferably, a vibration pipe is arranged around the outer wall of the shaft box, and the end of the vibration pipe extends into the grinding material to accelerate grinding and increase work efficiency.

[0007] Preferably, a pull plate is movably connected to the outer end of the outlet channel, and a fixing pin is installed on one side of the pull plate for convenient collection.

[0008] Preferably, a filter screen plate and a switching valve are arranged at the water filter port, and the water filter port is communicated with a water filter pipe.

[0009] Preferably, the spring damping mechanism includes a damping box fixedly arranged on a wooden support, and a plurality of evenly distributed damping springs are arranged inside the damping box. The top ends of the damping springs are connected to the bottom plate to reduce collision.

[0010] Preferably, a reinforcing rib plate is arranged on the side surface of the vibration kettle, and the bottom end of the reinforcing rib plate is vertically connected to the bottom plate to enhance the structural stability.

[0011] Preferably, balls are embedded in the inner wall of the vibration kettle to reduce wear on the inner wall of the vibration kettle.

[0012] Preferably, the vibrating kettle adopts a necking design, and the edge of the top of the vibrating kettle is inclined inward.

[0013] In summary, the utility model has the following beneficial technical effects:

[0014] 1. The utility model realizes deburring processing of the magnetic core by the cooperation of the vibrating kettle, the vibrating motor and the spring damping mechanism, and the magnetic core is ground with abrasive and water in the vibrating kettle, so as to improve the surface accuracy of the magnetic core.

[0015] 2. The vibrating pipe is wound around the outer wall of the axle box, and the end of the vibrating pipe extends into the abrasive to conduct vibration, ensuring the overall vibration conduction efficiency inside the vibrating kettle, making the grinding of the magnetic core more uniform and accelerating the grinding, thereby increasing the working efficiency.

[0016] 3. The discharge channel is matched with the water filter port to realize the collection of the magnetic core in the vibrating kettle and the filtration of the sprayed water, which is convenient for the collection of the magnetic core. Description of the Drawings

[0017] Figure 1 is the front view of a grinding device for the surface burrs of a magnetic core according to an embodiment of the utility model;

[0018] Figure 2 is the side view of a grinding device for the surface burrs of a magnetic core according to an embodiment of the utility model;

[0019] Figure 3 is the structural perspective view of the vibrating kettle according to an embodiment of the utility model;

[0020] Figure 4 is Figure 3 the enlarged schematic view at A in

[0021] Figure 5 is the structural perspective view of the spring damping mechanism according to an embodiment of the utility model.

[0022] Description of the reference numerals: 1, vibrating kettle; 2, feed channel; 3, spray pipe; 4, discharge channel; 5, water filter port; 6, abrasive; 7, axle box; 8, vibrating motor; 9, bottom plate; 10, spring damping mechanism; 11, pull-out plate; 12, fixing pin; 13, filter screen plate; 14, switch valve; 15, filter water pipe; 16, damping box; 17, wooden bracket; 18, damping spring; 19, vibrating pipe; 20, reinforcing rib plate; 21, ball. Detailed Description of the Invention

[0023] The following Figures 1 - 5 is a further detailed description of the utility model.

[0024] An embodiment of the utility model discloses a grinding device for the surface burrs of a magnetic core.

[0025] Referring to Figure 1 and Figure 3 , a grinding device for burrs on the surface of a magnetic core, comprising a vibration kettle 1, a feed channel 2 is arranged at the upper end of the vibration kettle 1, a spray pipe 3 is arranged above the feed channel 2, a discharge channel 4 is arranged at the lower end of the vibration kettle 1, and a water filter port 5 is opened at the bottom side of the discharge channel 4; The inside of the vibration kettle 1 is filled with abrasive 6, the abrasive 6 is made of porcelain balls or alloy balls, a hollow shaft box 7 is arranged along the axis of the vibration kettle 1, and a vibration motor 8 is installed on the inner wall of the shaft box 7; A bottom plate 9 is arranged at the bottom of the vibration kettle 1, and a spring damping mechanism 10 is arranged below the bottom plate 9.

[0026] Referring to Figure 3 , a vibration pipe 19 is arranged around the outer wall of the shaft box 7, the end of the vibration pipe 19 extends into the abrasive 6, and the vibration pipe 19 conducts vibration to ensure the overall vibration conduction efficiency inside the vibration kettle 1, making the grinding of the magnetic core more uniform and accelerating the grinding, thereby increasing the working efficiency.

[0027] Referring to Figure 2 , the outer end of the discharge channel 4 is movably connected with a pull-out plate 11, and a fixing pin 12 is installed on one side of the pull-out plate 11. When collecting the magnetic core, the fixing pin 12 is opened and the pull-out plate 11 is pulled open, so that the magnetic core is convenient to collect at the position of the discharge channel 4.

[0028] Referring to Figure 1 and Figure 3 , a filter screen plate 13 and a switch valve 14 are arranged at the water filter port 5, the water filter port 5 is communicated with a water filter pipe 15, and the switch valve 14 is opened to collect the sprayed water and the burr debris removed and mixed in the sprayed water.

[0029] Referring to Figure 1 and Figure 5 , the spring damping mechanism 10 includes a damping box 16, the damping box 16 is fixedly arranged on a wooden bracket 17, a plurality of uniformly distributed damping springs 18 are arranged inside the damping box 16, and the top ends of the damping springs 18 are connected to the bottom plate 9, reducing collisions and extending the service life of the equipment.

[0030] Referring to Figure 1 and Figure 2 , reinforcing rib plates 20 are arranged on the side surface of the vibration kettle 1, and the bottom ends of the reinforcing rib plates 20 are vertically connected to the bottom plate 9 to enhance the structural stability.

[0031] Referring to Figure 4 , ball bearings 21 are embedded in the inner wall of the vibration kettle 1, and the abrasive 6 and the magnetic core are in contact with the ball bearings 21, reducing the wear on the inner wall of the vibration kettle 1.

[0032] Referring to Figure 1 and Figure 2 and Figure 3, the vibration kettle 1 adopts a necking design, and the edge at the top of the vibration kettle 1 is inclined inward to prevent the spraying water in the vibration kettle 1 from splashing, and the abrasive 6 and the magnetic core from colliding and falling off during vibration.

[0033] The implementation principle of a grinding device for burrs on the surface of a magnetic core in an embodiment of the present invention is as follows: The abrasive 6 and the magnetic core are added along the feeding channel 2 of the vibration kettle 1, the spray pipe 3 sprays water into the vibration kettle 1, the vibration motor 8 in the axle box 7 is started, and the vibration motor 8 drives the entire vibration kettle 1 to vibrate. The spraying water reduces the contact between the magnetic core and the abrasive, preventing wear of the magnetic core body. The magnetic core is ground with the abrasive and water in the vibration kettle 1 to achieve deburring processing of the magnetic core. The vibration is transmitted to the spring damping mechanism 10 below the vibration kettle 1 through the bottom plate 9, and the spring damping mechanism 10 reduces the vibration; after grinding for five to ten minutes, the switching valve 14 at the water filter port 5 is opened. After being filtered by the filter screen plate 13, the spraying water mixed with the removed burr debris enters the filter water pipe 15, the pull-out plate 11 is pulled open, and the ground magnetic core is collected.

[0034] The above are all preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby. Therefore, all equivalent changes made according to the structure, shape, and principle of the present invention shall be covered within the protection scope of the present invention.

Claims

1. A grinding device for burrs on the surface of a magnetic core, characterized in that: It comprises a vibrating kettle (1), wherein a feed channel (2) is arranged at the upper end of the vibrating kettle (1), a spray pipe (3) is arranged above the feed channel (2), a discharge channel (4) is arranged at the lower end of the vibrating kettle (1), and a water filter port (5) is arranged at the bottom side of the discharge channel (4); The interior of the vibrating kettle (1) is filled with abrasive (6); a hollow axle box (7) is arranged along the axis of the vibrating kettle (1); a vibrating motor (8) is installed on the inner wall of the axle box (7); a bottom plate (9) is arranged at the bottom of the vibrating kettle (1); a spring damping mechanism (10) is arranged below the bottom plate (9).

2. A grinding device for removing burrs from the surface of a magnetic core according to claim 1, characterized in that: A vibration tube (19) is arranged around the outer wall of the axle box (7), and the end of the vibration tube (19) extends into the grinding material (6).

3. A grinding device for removing burrs from the surface of a magnetic core according to claim 1, characterized in that: The outer end of the discharge channel (4) is movably connected to a draw plate (11), and a fixing pin (12) is installed on one side of the draw plate (11).

4. The grinding device for removing burrs from the surface of a magnetic core according to claim 1, characterized in that: A filter screen plate (13) and a switch valve (14) are provided at the water filter outlet (5), and the water filter outlet (5) is connected to a water filter pipe (15).

5. The grinding device for removing burrs from the surface of a magnetic core according to claim 1, characterized in that: The spring vibration reduction mechanism (10) comprises a vibration reduction box (16), wherein the vibration reduction box (16) is fixedly mounted on a wooden support (17), wherein a plurality of evenly distributed vibration reduction springs (18) are arranged inside the vibration reduction box (16), and the top ends of the vibration reduction springs (18) are connected to a bottom plate (9).

6. The grinding device for removing burrs from the surface of a magnetic core according to claim 1, characterized in that: A reinforcing rib (20) is provided on the side of the vibrating kettle (1), and the bottom end of the reinforcing rib (20) is vertically connected to the bottom plate (9).

7. The grinding device for removing burrs from the surface of a magnetic core according to claim 1, characterized in that: Balls (21) are embedded in the inner wall of the vibration kettle (1).

8. The grinding device for removing burrs from the surface of a magnetic core according to claim 1, characterized in that: The vibrating kettle (1) adopts a necked design, and the top edge of the vibrating kettle (1) is arranged to be inclined inwards.

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