High-fluidity dry-method magnetic powder production device

Abstract

The utility model discloses a high fluidity dry method magnetic powder production device which comprises a support and a shell, the shell is fixedly arranged on the top of the support, a feeding hole is integrally formed in the top end in the shell, the rear end of the top of the shell is hinged, and a cover plate is arranged at the front end of the top of the shell through a lock catch. According to the magnetic powder grinding device, the grinding efficiency of the magnetic powder is improved in the mode that the magnetic powder is squeezed and ground at the same time, in addition, due to the mechanical linkage design, the grinding plate is in the reciprocating motion of forward rotation, backward rotation and then forward rotation, the grinding plate conducts multi-directional grinding treatment on the magnetic powder through the action of repeatedly switching the rotation direction, and therefore the grinding efficiency of the magnetic powder is improved. And the grinding effect of the magnetic powder is improved. Through the design of a cleaning function, the brush can repeatedly wipe the top surface of the filter screen, so that the ground magnetic powder is prevented from blocking the filter screen, the normality of the filter screen during use is ensured, and the smoothness of the ground magnetic powder penetrating through the filter screen and falling into the box body is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic powder production equipment, in particular to a high-fluidity dry-process magnetic powder production device. Background Art

[0002] Dry magnetic particle testing has the obvious advantages of clarity, intuitiveness and high sensitivity in the detection of surface and surface defects of automobile, high-speed rail and aircraft accessories. Different colors of magnetic powder need to be used in different flaw detection working conditions. The sensitivity of flaw detection depends not only on the magnetic field strength, magnetization method, magnetic permeability of the workpiece and the roughness of the workpiece surface, but also on the characteristics of the magnetic powder itself (such as the magnetism, particle size and fluidity of the magnetic powder).

[0003] The patent name of the publication number "CN114689683A" is: A method for preparing high-fluidity dry-process magnetic powder. The public document has shown the importance of grinding for high-fluidity dry-process magnetic powder in the production process. The patent name of the announcement number "CN212651955U" is: A grinder for magnetic powder processing. The grinding device in the public document cannot grind the magnetic powder in multiple directions, thereby reducing the grinding effect of the magnetic powder. Based on this, the utility model designs a high-fluidity dry-process magnetic powder production device to solve the above problems. Utility Model Content

[0004] The purpose of the utility model is to provide a high-fluidity dry-process magnetic powder production device to solve the problems raised by the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-fluidity dry-process magnetic powder production device, comprising a bracket and a shell, the shell is fixedly mounted on the top of the bracket, a feeding hole is integrally arranged on the top of the shell, a cover plate is hinged at the rear end of the top of the shell and is provided at the front end through a lock, a driving assembly is arranged on the right side of the shell, an extrusion assembly is arranged on the left side of the shell, the driving assembly comprises a rotating rod connected to the right side of the shell, a grinding plate is fixedly arranged on the left side of the rotating rod, a motor is fixedly arranged on the right side of the top of the shell, a connecting plate is provided on the external fixing sleeve of the head end of the motor, and a rotating pin is transferred to the upper end of the connecting plate, a mounting plate is provided on the external right side fixing sleeve of the rotating rod, a guide hole is integrally arranged on the upper end of the mounting plate, and the guide hole is sleeved on the outside of the rotating pin, the extrusion assembly comprises an electric push rod fixedly mounted on the left side of the shell, a sliding rod fixedly mounted on the right side of the electric push rod passes through the shell, and a pressure plate is fixedly arranged on the right side of the sliding rod.

[0006] Furthermore, the pressure plate is connected to the inner wall of the shell by sliding connection, the grinding plate is connected to the inner wall of the shell by rotation connection, and the axis of the sliding rod and the axis of the rotating rod are in a coaxial design.

[0007] Furthermore, the center of the head end of the motor coincides with the center of the guide hole, and the length of the guide hole is two and a half times the length of the connecting plate.

[0008] Furthermore, a discharge hole is integrally provided at the bottom end of the shell, a filter screen is fixed inside the discharge hole, and the discharge hole is designed as a through hole.

[0009] Furthermore, a box body is arranged inside the bracket, and the top view cross section of the box body is larger than the top view cross section of the discharge hole.

[0010] Furthermore, a connecting sleeve is fixedly provided at the lower end of the grinding plate, and a mounting hole is integrally provided inside the connecting sleeve, and the mounting hole is a blind hole design.

[0011] Furthermore, a connecting rod is slidably connected inside the mounting hole, a ball is connected on the left side inside the connecting rod, and the ball and the right end surface of the pressure plate are designed to fit each other.

[0012] Furthermore, a brush is fixedly provided at the bottom of the connecting rod, and one end of the brush away from the connecting rod is in contact with the top surface of the filter screen. A spring is fixedly provided on the right side of the connecting rod, and the right side of the spring is fixedly connected to the connecting rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The utility model improves the grinding efficiency of the magnetic powder by grinding the magnetic powder while squeezing it. In addition, through the design of mechanical linkage, the grinding plate is in a reciprocating motion of first rotating forward, then reverse, and then rotating forward again, so that the grinding plate can grind the magnetic powder in multiple directions by repeatedly switching the rotation direction. It can be seen that the grinding effect of the magnetic powder is improved by using the device in the present application.

[0015] 2. The utility model is designed with a cleaning function so that the brush can repeatedly wipe the top surface of the filter, thereby preventing the filter from being blocked by the ground magnetic powder. It can be seen that by using the device in this application, not only the normal use of the filter is ensured, but also the smoothness of the ground magnetic powder passing through the filter and falling into the box body is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0017] Figure 1This is a front perspective view of a high-fluidity dry-process magnetic powder production device of the utility model;

[0018] Figure 2 This is a three-dimensional diagram of the internal structure of a high-fluidity dry-process magnetic powder production device of the utility model;

[0019] Figure 3 It is an exploded perspective view of the shell, feed hole and discharge hole;

[0020] Figure 4 A three-dimensional diagram of the connecting sleeve and the mounting hole;

[0021] Figure 5 It is a three-dimensional diagram of the connecting rod, ball, brush and spring.

[0022] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0023] 1- bracket, 2- shell, 3- feed hole, 4- cover plate, 5- drive assembly, 6- extrusion assembly, 501- rotating rod, 502- grinding plate, 503- motor, 504- connecting plate, 505- rotating pin, 506- mounting plate, 507- guide hole, 601- electric push rod, 602- sliding rod, 603- pressing plate, 7- discharge hole, 8- filter screen, 9- box body, 10- connecting sleeve, 11- mounting hole, 12- connecting rod, 13- ball, 14- brush, 15- spring. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model. Example 1

[0025] like Figure 1 , Figure 2 , Figure 3As shown, the device includes a bracket 1 and a shell 2, the shell 2 is fixedly arranged on the top of the bracket 1, a feeding hole 3 is integrally arranged on the top of the shell 2, a cover plate 4 is arranged on the rear end of the top of the shell 2 through a hinge and the front end through a lock, a driving component 5 is arranged on the right side of the shell 2, and an extrusion component 6 is arranged on the left side of the shell 2. The driving component 5 includes a rotating rod 501 connected to the right side of the shell 2, a grinding plate 502 is fixedly arranged on the left side of the rotating rod 501, a motor 503 is fixedly arranged on the right side of the top of the shell 2, and the motor 503 The external fixed sleeve at the head end is provided with a connecting plate 504, and the upper end of the inner part of the connecting plate 504 is connected with a rotating pin 505, the outer right fixed sleeve of the rotating rod 501 is provided with a mounting plate 506, the upper end of the inner part of the mounting plate 506 is integrally provided with a guide hole 507, and the guide hole 507 is sleeved on the outside of the rotating pin 505, the extrusion assembly 6 includes an electric push rod 601 fixedly arranged on the left side of the outer shell 2, a sliding rod 602 fixedly arranged on the right side of the electric push rod 601 passes through the shell 2, and a pressure plate 603 is fixedly arranged on the right side of the sliding rod 602.

[0026] The pressure plate 603 is connected to the inner wall of the shell 2 by sliding connection, the grinding plate 502 is connected to the inner wall of the shell 2 by switching connection, the axis of the sliding rod 602 is coaxial with the axis of the rotating rod 501, the center of the front end of the motor 503 coincides with the center of the guide hole 507, and the length of the guide hole 507 is two and a half times the length of the connecting plate 504. The staff first pours the magnetic block into the shell 2 through the feed hole 3, then closes the cover plate 4, and then turns on the motor 503 and the electric push rod 601. The motor 503 drives the connecting plate 504 to drive the rotating pin 505 to rotate. The rotating rotating pin 505 controls the guide hole 507 to pull the mounting plate 506 together with the rotating rod 501 and the grinding plate 502 to repeatedly rotate forward and reverse. At the same time, the electric push rod 601 pushes the sliding rod 602 to drive the pressing plate 603 to move along the direction of the grinding plate 502, thereby causing the pressing plate 603 to squeeze the magnetic block. At the same time, the grinding plate 502 that repeatedly rotates forward and reversely grinds the magnetic block in the squeezed state in multiple directions. Example 2

[0027] like Figure 2 , Figure 4 , Figure 5As shown, a discharge hole 7 is integrally provided at the bottom end of the shell 2, a filter screen 8 is fixedly arranged inside the discharge hole 7, and the discharge hole 7 is a through hole design, a box body 9 is arranged inside the bracket 1, and the top cross-section of the box body 9 is larger than the top cross-section of the discharge hole 7, a connecting sleeve 10 is fixedly provided at the lower end of the grinding plate 502, a mounting hole 11 is integrally provided inside the connecting sleeve 10, and the mounting hole 11 is a blind hole design, a connecting rod 12 is slidably connected inside the mounting hole 11, a ball 13 is transferred to the left side of the connecting rod 12, and the ball 13 and the right end face of the pressing plate 603 are in a mutually fitting design, a brush 14 is fixedly provided at the bottom of the connecting rod 12, and the end of the brush 14 away from the connecting rod 12 is in mutual fit with the top surface of the filter screen 8, a spring 15 is fixedly provided on the right side of the connecting rod 12, and the right side of the spring 15 is fixedly connected to the connecting rod 12.

[0028] According to the operation method in Example 1, when the pressure plate 603 moves along the direction of the grinding plate 502, the pressure plate 603 squeezes the ball 13 together with the connecting rod 12 to move into the mounting hole 11, so that the spring 15 is deformed, ensuring the normal displacement of the pressure plate 603. In addition, the rotating grinding plate 502 drives the connecting sleeve 10 together with the connecting rod 12 and the brush 14 to repeatedly move forward and reverse around the axis of the rotating rod 501, so that the ball 13 and the pressure plate 603 are in a state of rolling friction. At the same time, the brush 14 in repeated forward and reverse operation wipes and cleans the top surface of the filter screen 8 to prevent the ground magnetic powder from clogging the filter screen 8, ensuring the smoothness of the magnetic powder passing through the filter screen 8 and falling into the inside of the box body 9 from the discharge hole 7.

Claims

1. A high-fluidity dry-process magnetic powder production device, comprising a bracket (1) and a housing (2), characterized in that: The shell (2) is fixedly arranged on the top of the bracket (1); a feeding hole (3) is integrally arranged at the top of the shell (2); a cover plate (4) is arranged at the rear end of the top of the shell (2) by hinged connection and at the front end by locking; a driving assembly (5) is arranged on the right side of the inside of the shell (2); an extrusion assembly (6) is arranged on the left side of the inside of the shell (2); the driving assembly (5) comprises a rotating rod (501) connected to the right side of the inside of the shell (2); a grinding plate (502) is fixedly arranged on the left side of the rotating rod (501); a motor (503) is fixedly arranged on the right side of the top of the shell (2); a motor (503) is arranged at the front end of the motor (503) The external fixing sleeve is provided with a connecting plate (504), and the upper end of the connecting plate (504) is connected with a rotating pin (505); the external right fixing sleeve of the rotating rod (501) is provided with a mounting plate (506), the upper end of the internal part of the mounting plate (506) is integrally provided with a guide hole (507), and the guide hole (507) is sleeved on the outside of the rotating pin (505); the extrusion assembly (6) comprises an electric push rod (601) fixedly arranged on the left side of the outside of the shell (2); a sliding rod (602) fixedly arranged on the right side of the electric push rod (601) passes through the shell (2), and a pressing plate (603) is fixedly arranged on the right side of the sliding rod (602).

2. The high-fluidity dry-process magnetic powder production device according to claim 1, characterized in that: The pressing plate (603) is connected to the inner wall of the shell (2) by sliding connection, the grinding plate (502) is connected to the inner wall of the shell (2) by rotation connection, and the axis of the sliding rod (602) and the axis of the rotating rod (501) are coaxial.

3. The high-fluidity dry-process magnetic powder production device according to claim 1, characterized in that: The center of the front end of the motor (503) coincides with the center of the guide hole (507), and the length of the guide hole (507) is two and a half times the length of the connecting plate (504).

4. The high-fluidity dry-process magnetic powder production device according to claim 1, characterized in that: A discharge hole (7) is integrally provided at the bottom of the shell (2), a filter screen (8) is fixedly arranged inside the discharge hole (7), and the discharge hole (7) is designed as a through hole.

5. The high-fluidity dry-process magnetic powder production device according to claim 1, characterized in that: A box body (9) is arranged inside the bracket (1), and the top view cross section of the box body (9) is larger than the top view cross section of the discharge hole (7).

6. The high-fluidity dry-process magnetic powder production device according to claim 1, characterized in that: A connecting sleeve (10) is fixedly provided at the lower end of the grinding plate (502), and a mounting hole (11) is integrally provided inside the connecting sleeve (10), wherein the mounting hole (11) is a blind hole design.

7. The high-fluidity dry-process magnetic powder production device according to claim 6, characterized in that: A connecting rod (12) is slidably connected inside the mounting hole (11), a ball (13) is connected inside the left side of the connecting rod (12), and the ball (13) and the right end surface of the pressing plate (603) are designed to fit each other.

8. The high-fluidity dry-process magnetic powder production device according to claim 7, characterized in that: A brush (14) is fixedly provided at the bottom of the connecting rod (12), and one end of the brush (14) away from the connecting rod (12) is in contact with the top surface of the filter screen (8). A spring (15) is fixedly provided on the right side of the connecting rod (12), and the right side of the spring (15) is fixedly connected to the connecting rod (12).

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