Grinding machine for magnetic powder processing

Abstract

The utility model provides a grinding machine for magnetic powder processing, which comprises an outer frame, a servo motor and a stress plate, the servo motor is fixed above the inside of the outer frame, the stress plate is fixed below the inside of the outer frame, a transmission rod is fixed below a transmission shaft of power output of the servo motor, and hydraulic cylinders are vertically fixed at the left end and the right end of the upper surface of the outer frame. Connecting plates are fixed to the bottoms of push rods at the output ends of the two hydraulic cylinders, a connecting disc is embedded between the two connecting plates, a connecting rod is vertically fixed to the middle of the bottom end of the connecting disc, an upper grinding block is fixed to the bottom of the connecting rod, a filtering plate is fixed to the middle of the bottom end of the stress plate, and an electric push rod is fixed to the bottom of the stress plate through a support; a mounting plate is fixed to the top of the output end of the electric push rod, and an ejector rod is fixed to the top of the mounting plate. According to the magnetic powder grinding device, magnetic powder can be subjected to pressurized grinding until the magnetic powder can penetrate through the leakage holes of the filter plate, the particle size of the ground magnetic powder is more uniform, and the grinding effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to a powder equipment technical field especially relates to a kind of grinding machines for magnetic powder processing. BACKGROUND

[0002] Magnetic powder, a kind of hard magnetic single-domain particles, it is made into magnetic slurry with adhesive, solvent etc., coating on the surface of plastic or metal sheet base, just can be made into magnetic recording material such as magnetic tape, magnetic disk, magnetic card, magnetic powder is the core component of magnetic coating, is the main factor to determine the magnetic properties of magnetic recording medium, magnetic powder greatly influences the properties of magnetic recording material, in the magnetic powder processing process, because the form size of magnetic powder needs to be changed, so it is often necessary to grind magnetic powder to facilitate the further processing and utilization of magnetic powder, The existing magnetic powder grinding device does not have screening function, so large particle magnetic powder often mixes into ground magnetic powder, which affects further magnetic powder processing and brings inconvenience to users. SUMMARY

[0003] The utility model aims at solving the problems in the above background art and provides a kind of grinding machines for magnetic powder processing.

[0004] To achieve the above object, the utility model adopts the following technical scheme:

[0005] A kind of grinding machines for magnetic powder processing, including outer frame, servo motor and stress plate, the inside top of outer frame is fixed with servo motor, the inside bottom of outer frame is fixed with stress plate, the transmission shaft below the power output of servo motor is fixed with transmission rod, the left and right ends of the upper surface of outer frame are vertically fixed with hydraulic cylinder, the push rod bottom of the output end of two hydraulic cylinders is fixed with connecting plate, connecting disc is embedded between two connecting plates, the bottom middle part of connecting disc is vertically fixed with connecting rod, the bottom of connecting rod is fixed with upper grinding block, the bottom middle part of stress plate is fixed with filter plate, the bottom of stress plate is fixed with electric push rod by support, the push rod top of the output end of electric push rod is fixed with mounting plate, the top of mounting plate is fixed with top rod.

[0006] Preferably, the lower part of transmission rod is embedded in the inside of connecting rod, the cross section of connecting rod is arranged in the shape of "triangle", and the outer wall of transmission rod is close to the inner wall of connecting rod.

[0007] Preferably, the connecting rod is lifted up and down in the vertical direction of the outer wall of transmission rod, and the connecting disc rotates in the horizontal direction between the two connecting plates.

[0008] Preferably, the outer wall of upper grinding block is close to the upper surface of stress plate, and the bottom of upper grinding block is close to the upper surface of filter plate and top rod.

[0009] Preferably, the inner opening of the filter plate is provided with a leakage hole, the top rod on the upper surface of the mounting plate is embedded in the leakage hole, and the cross-sectional area of the leakage hole is consistent with the cross-sectional area of the top rod.

[0010] Preferably, the upper surface of the mounting plate is arranged in an inclined manner with the left low and the right high, and the electric push rod pulls the top rod up and down in the vertical direction in the filter plate through the mounting plate.

[0011] Before the magnetic powder is processed, the two hydraulic cylinders pull the upper grinding block up through the connecting plate and the connecting disc, so that the upper grinding block is no longer tightly attached to the stress plate. When the subsequent magnetic powder is poured into the stress plate, the two hydraulic cylinders push the upper grinding block down again through the connecting plate and the connecting disc to compress the magnetic powder, realizing the pressurized grinding of the magnetic powder and further improving the grinding effect of the magnetic powder. When the electric push rod pulls the top rod down through the mounting plate, the qualified magnetic powder will fall through the leakage hole in the filter plate, and the unqualified magnetic powder will be continuously ground by the upper grinding block. When the magnetic powder is stuck in the leakage hole in the filter plate, the electric push rod pushes the top rod up through the mounting plate, so that the top rod is completely embedded in the leakage hole to lift the magnetic powder stuck in the leakage hole, so that the magnetic powder is ground until it can pass through the leakage hole of the filter plate. After grinding, the particle size of the magnetic powder is more uniform, and the grinding effect is better. BRIEF DESCRIPTION OF DRAWINGS

[0012] Figure 1 It is a front view of the overall structure of the utility model;

[0013] Figure 2 It is a front view of the overall structure of the utility model;

[0014] Figure 3 It is an exploded view of the local structure of the filter plate and the mounting plate of the utility model;

[0015] Figure 4 It is a schematic view of the local structure of the connecting rod of the utility model.

[0016] LEGEND:

[0017] Outer frame 1, servo motor 2, transmission rod 201, hydraulic cylinder 3, connecting plate 4, connecting disc 5, connecting rod 501, upper grinding block 502, stress plate 6, filter plate 601, electric push rod 7, mounting plate 701, top rod 702. DETAILED DESCRIPTION

[0018] Example 1, refer to Figures 1-4The utility model provides a kind of magnetic powder processing with grinder, including outer frame 1, servo motor 2 and force plate 6, servo motor 2 is fixed in the upper portion of the inside of outer frame 1, force plate 6 is fixed in the lower portion of the inside of outer frame 1, transmission rod 201 is fixed below the power output of servo motor 2, hydraulic cylinder 3 is vertically fixed in the left and right ends of the upper surface of outer frame 1, the push rod bottom of the output end of two hydraulic cylinders 3 is fixed with connecting plate 4, connecting disc 5 is embedded between two connecting plates 4, connecting rod 501 is vertically fixed in the bottom middle portion of connecting disc 5, upper grinding block 502 is fixed in the bottom of connecting rod 501, filter plate 601 is fixed in the bottom middle portion of force plate 6, electric push rod 7 is fixed in the bottom of force plate 6 by support, the push rod top of the output end of electric push rod 7 is fixed with mounting plate 701, and top rod 702 is fixed in the top of mounting plate 701.

[0019] Transmission rod 201 is embedded in the inside of connecting rod 501, and the cross section of connecting rod 501 is in the shape of a triangle.

[0020] Whether upper grinding block 502 is close to the upper surface of force plate 6 or not, servo motor 2 can drive upper grinding block 502 to rotate normally through transmission rod 201 and connecting rod 501 to grind magnetic powder.

[0021] When servo motor 2 drives connecting disc 5, connecting rod 501 and upper grinding block 502 to rotate through transmission rod 201, connecting disc 5 rotates between two connecting plates 4, and hydraulic cylinder 3 can still pull connecting disc 5, connecting rod 501 and upper grinding block 502 up and down through connecting plate 4.

[0022] Connecting rod 501 rises and falls in the vertical direction of the outer wall of transmission rod 201, and connecting disc 5 rotates horizontally between two connecting plates 4.

[0023] Before processing magnetic powder, two hydraulic cylinders 3 pull upper grinding block 502 up through connecting plate 4, connecting disc 5 and connecting rod 501, and at this time, connecting rod 501 moves in the outer wall of transmission rod 201, so that upper grinding block 502 is no longer close to force plate 6, and then two hydraulic cylinders 3 push upper grinding block 502 down to press magnetic powder through connecting plate 4, connecting disc 5 and connecting rod 501, so as to realize pressure grinding of magnetic powder and further improve the grinding effect of magnetic powder.

[0024] In example 2, the difference between example 2 and example 1 is that, in the utility model, the outer wall of upper grinding block 502 is close to the upper surface of force plate 6, and the bottom of upper grinding block 502 is close to the upper surface of filter plate 601 and top rod 702.

[0025] When the electric push rod 7 pulls the top rod 702 to move downward through the mounting plate 701, the qualified magnetic powder is dropped through the leakage hole in the filter plate 601, and the unqualified magnetic powder is continuously ground by the upper grinding block 502;

[0026] The leakage hole is arranged in the internal opening of the filter plate 601, the top rod 702 on the upper surface of the mounting plate 701 is embedded in the leakage hole, and the cross-sectional area of the leakage hole is consistent with the cross-sectional area of the top rod 702;

[0027] The upper surface of the mounting plate 701 is arranged in an inclined shape with the left low and the right high, and the electric push rod 7 pulls the top rod 702 to move up and down in the vertical direction of the filter plate 601 through the mounting plate 701;

[0028] When the magnetic powder is stuck in the leakage hole in the filter plate 601, the electric push rod 7 pushes the top rod 702 to move upward through the mounting plate 701, so that the top rod 702 is embedded in the leakage hole to lift the stuck magnetic powder in the leakage hole, so that the magnetic powder is ground until it can pass through the leakage hole of the filter plate 601, and the particle size of the ground magnetic powder is more uniform, and the grinding effect is better.

[0029] The above is only the preferred embodiment of the present application, and it should be pointed out that for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which should also be considered as the protection range of the present application, and these will not affect the effect and practicality of the present application.

Claims

1. A magnetic powder processing grinder, comprising an outer frame (1), a servo motor (2) and a force receiving plate (6), the servo motor (2) is fixed on the upper inside of the outer frame (1), the force receiving plate (6) is fixed on the lower inside of the outer frame (1), characterized in that, The transmission shaft of the servo motor (2) power output is fixed with a transmission rod (201), the outer frame (1) upper surface left and right ends are vertically fixed with hydraulic cylinders (3), the push rod bottom of two hydraulic cylinder (3) output ends are fixed with connecting plates (4), two connecting plates (4) are embedded with connecting disc (5), the bottom of connecting disc (5) middle part is vertically fixed with connecting rod (501), the bottom of connecting rod (501) is fixed with upper grinding block (502), the bottom of force plate (6) middle part is fixed with filter plate (601), the bottom of force plate (6) is fixed with electric push rod (7) through support, the push rod top of electric push rod (7) output end is fixed with mounting plate (701), the top of mounting plate (701) is fixed with top rod (702).

2. The magnetic powder processing grinder according to claim 1, characterized by The transmission rod (201) is embedded in the inside of connecting rod (501), the cross section of connecting rod (501) is triangular, and the outer wall of transmission rod (201) is close to the inner wall of connecting rod (501).

3. The magnetic powder processing grinder according to claim 1, wherein The connecting rod (501) is vertically up and down in the outer wall of transmission rod (201), and the connecting disc (5) rotates horizontally between two connecting plates (4).

4. The magnetic powder processing grinder according to claim 1, wherein The outer wall of upper grinding block (502) is close to the upper surface of force plate (6), and the bottom of upper grinding block (502) is close to the upper surface of filter plate (601) and top rod (702).

5. The magnetic powder processing grinder according to claim 1, wherein The inside of filter plate (601) is provided with a leakage hole, the top rod (702) of the upper surface of mounting plate (701) is embedded in the leakage hole, and the cross-sectional area of the leakage hole is consistent with the cross-sectional area of the top rod (702).

6. The magnetic powder processing grinder according to claim 1, wherein The upper surface of mounting plate (701) is inclined left low and right high, and the electric push rod (7) pulls the top rod (702) to vertically up and down in the filter plate (601) through the mounting plate (701).

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