Magnetic material processing and forming hydraulic equipment

Abstract

The utility model discloses hydraulic equipment for processing and forming magnetic materials. The hydraulic equipment comprises an air isolating baffle and an arc-shaped opening which is formed in the air isolating baffle and used for conveying the magnetic materials. The lower die is driven to slide in the arc-shaped opening and is used for placing a magnetic material; the distance between the eccentric wheel and the lower die is smaller than the thickness of the magnetic material; the rubber plug is arranged in the arc-shaped opening and is driven by the eccentric wheel to open and close the arc-shaped opening. When the magnetic material processing and forming hydraulic equipment is used, the lower mold drives the magnetic material to penetrate through the arc-shaped opening to drive the eccentric wheel to rotate, the rubber plug is driven to move upwards, the arc-shaped opening is opened, after the magnetic material completely penetrates through the arc-shaped opening, the rubber plug moves downwards, the arc-shaped opening is closed again, and it is guaranteed that gas is blocked by the rubber plug in the heating process; and powdery raw materials in the material guide port cannot be blown away.

Description

Technical Field

[0001] The utility model relates to the technical field of magnetic material production, and more specifically to a hydraulic device for processing and forming magnetic materials. Background Art

[0002] The main components of a hydraulic device for processing and forming magnetic materials include a hydraulic pump, an oil tank, a solenoid valve, oil pipes, etc. After grinding the magnetic materials into powder, they are formed by methods such as compression and extrusion, and then sintered.

[0003] Combined with publication number CN108437515A and publication date August 24, 2018, a forming device for magnetic material production is disclosed.

[0004] In the prior art including the above patent, raw materials are injected into the heating chamber through a feeding pipe. At the same time, a heater is arranged outside the heating chamber and powered on. The temperature of the raw materials inside the heating chamber is increased by electric heating. The silica gel heating sheet has a function of generating heat with residual heat, so as to effectively ensure the temperature inside the heating chamber. The bottom end of the heating chamber is connected to the lower forming cavity, so that the raw materials flow into the lower forming cavity. The above technology simplifies the processing procedure by heating and sintering during the pressing and forming process of magnetic materials. However, during the heating process of the heating chamber, the gas inside will expand due to heat, and the air flow will pass through the material guiding port and blow the powdered raw materials inside the material guiding port, resulting in uneven addition of raw materials. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a hydraulic device for processing and forming magnetic materials to solve the above problems.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A hydraulic device for processing and forming magnetic materials, including a wind isolation baffle and an arc-shaped opening thereon for conveying magnetic materials;

[0007] A lower mold that is driven to slide within the arc-shaped opening and is used to place magnetic materials;

[0008] An eccentric wheel rotatably arranged within the wind isolation baffle, the distance between which and the lower mold is less than the thickness of the magnetic materials;

[0009] A rubber plug arranged within the arc-shaped opening and driven by the eccentric wheel to open and close the arc-shaped opening.

[0010] Preferably, a transmission rod is slidably arranged within the wind isolation baffle, and the transmission rod is slidably matched with a pin rod inside the eccentric wheel, and the transmission rod and the rubber plug move synchronously.

[0011] Preferably, the eccentric wheel is provided with ratchet teeth, an elastic member is inclinedly arranged in the air baffle, a movable rod is slidably arranged on the elastic member, the end of the movable rod is a wedge block tangent to the ratchet teeth, and the movable rod is slidably matched with the rubber plug.

[0012] Preferably, the elastic member includes an arc track for guiding and sliding the movable rod and a retention groove arranged at the end of the arc track.

[0013] Preferably, a stop block is arranged at the first end of the transmission rod, and the stop block forms a stop and disassembly cooperation with the movable rod.

[0014] Preferably, a rotating rod for pressing a magnetic material is rotatably and symmetrically arranged in the air baffle.

[0015] Preferably, a guide slider is arranged on the rotating rod, and the guide slider is slidably matched with a trapezoidal block arranged at the end of the transmission rod.

[0016] In the above technical solution, a hydraulic device for processing and forming magnetic materials provided by the present utility model has the following beneficial effects: when the lower mold drives the magnetic material to pass through the arc-shaped opening, it will drive the eccentric wheel to rotate, driving the rubber plug to move upward, and the arc-shaped opening is opened. When the magnetic material completely passes through the arc-shaped opening, the rubber plug moves downward and closes the arc-shaped opening again, ensuring that the gas is blocked by the rubber plug during the heating process and will not blow away the powdery raw material in the material guiding port. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments recorded in the present utility model. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings.

[0018] Figure 1 It is a three-dimensional overall schematic diagram provided by an embodiment of the present utility model;

[0019] Figure 2 It is a schematic diagram of the rubber plug and the eccentric wheel provided by an embodiment of the present utility model;

[0020] Figure 3 It is a schematic diagram of the position of the movable rod and the transmission rod provided by an embodiment of the present utility model;

[0021] Figure 4 It is an exploded schematic diagram of the ratchet teeth and the transmission rod provided by an embodiment of the present utility model.

[0022] Description of the reference numerals:

[0023] 1. Wind baffle; 2. Lower mold; 3. Eccentric wheel; 31. Ratchet teeth; 33. Limit block; 4. Rubber plug; 5. Transmission rod; 51. Trapezoidal block; 52. Stop block; 6. Movable rod; 61. Wedge block; 7. Rotating rod; 71. Rotating wheel; 72. Guide slider; 8. Elastic member; 81. Arc track; 82. Retention groove. Detailed implementation manners

[0024] In order to enable those skilled in the art to better understand the technical solutions of the present utility model, the present utility model will be further introduced in detail below with reference to the accompanying drawings.

[0025] As Figures 1-4 shown, a hydraulic device for processing and forming magnetic materials includes a wind baffle 1 and an arc opening thereon for conveying magnetic materials.

[0026] A lower mold 2 driven to slide in the arc opening, which is used to place magnetic materials.

[0027] An eccentric wheel 3 rotatably arranged in the wind baffle 1, the distance between it and the bottom side of the arc opening is less than the thickness of the lower mold 2.

[0028] A rubber plug 4 arranged in the arc opening, which is driven by the eccentric wheel 3 to open and close the arc opening.

[0029] Specifically, the wind baffle 1 is arranged in the material guiding port. The eccentric wheel 3 is divided into a wide part and a narrow part according to the relative length of the distance from the rotating shaft. In the initial position, the wide part of the eccentric wheel 3 is located below the rotating shaft. Place the magnetic material on the lower mold 2 and move it manually by the operator's push and pull, or by the push of an electric telescopic rod. Then the lower mold 2 passes through the arc opening. Since the distance between the eccentric wheel 3 and the bottom side of the arc opening is less than the thickness of the lower mold 2, when the lower mold 2 drives the magnetic material through the arc opening, it will drive the eccentric wheel 3 to rotate. The acting force between the eccentric wheel 3 and the magnetic material gradually decreases, avoiding damage to the magnetic material. At the same time, the rotation of the eccentric wheel 3 drives the rubber plug 4 to move upward, opening the arc opening and enabling the magnetic material to enter the wind baffle 1. When the magnetic material completely passes through the arc opening, the eccentric wheel 3 loses the friction with the lower mold 2 and returns to the initial position, causing the rubber plug 4 to move downward and closing the arc opening again, preventing gas from flowing through the arc opening during the heating process and causing air flow changes.

[0030] In the above technology, when the lower mold 2 drives the magnetic material through the arc opening, it will drive the eccentric wheel 3 to rotate, driving the rubber plug 4 to move upward and opening the arc opening. When the magnetic material completely passes through the arc opening, the rubber plug 4 moves downward and closes the arc opening again, ensuring that the gas is blocked by the rubber plug 4 during the heating process and will not blow away the powdery raw materials in the material guiding port.

[0031] As an embodiment further provided by the present invention, a transmission rod 5 is slidably provided inside the wind shield 1, and the transmission rod 5 is slidably matched with the pin rod inside the eccentric wheel 3, and the transmission rod 5 and the rubber plug 4 keep synchronous movement.

[0032] Specifically, Figure 4 The direction shown is used as a reference. The wide part of the eccentric wheel 3 is driven by the friction force of the lower mold 2 to rotate counterclockwise, causing the pin to rotate counterclockwise, driving the transmission rod 5 to slide upward, and the rubber plug 4 moves upward synchronously and no longer blocks the arc-shaped opening. After the eccentric wheel 3 rotates to a certain angle, the distance between the narrow part of the eccentric wheel 3 and the lower mold 2 is the thickness of the magnetic material, which just accommodates the magnetic material to pass through. At this time, the pressure of the eccentric wheel 3 on the magnetic material and the friction between the two are minimized, so that the rotational force of the eccentric wheel 3 is reduced, and the eccentric wheel 3 stops rotating, so that the position of the transmission rod 5 remains unchanged. After the magnetic material completely passes through the arc-shaped opening, the lower mold no longer resists the narrow part. After the eccentric wheel 3 loses the friction force from the magnetic material, it rotates clockwise under the influence of its own gravity to reset, and returns to the initial position with the narrow part on top and the wide part on the bottom, and drives the transmission rod 5 to slide downward, so that the rubber plug 4 moves downward synchronously and blocks the arc-shaped opening.

[0033] As another embodiment further provided by the present invention, a ratchet 31 is provided on the eccentric wheel 3, an elastic member 8 is obliquely arranged inside the wind baffle 1, a movable rod 6 is slidably arranged on the elastic member 8, the end of the movable rod 6 is a wedge block 61 tangent to the ratchet 31, and the movable rod 6 is slidably matched with the rubber plug 4.

[0034] Specifically, when the eccentric wheel 3 rotates, it drives the ratchet 31 to rotate. Since the ratchet 31 and the wedge 61 are tangent to each other and the cross-section of the wedge 61 is triangular, the wedge 61 is guided by the inclined surface of the ratchet 31 during the rotation of the ratchet 31, and the ratchet 31 and the wedge 61 are staggered. At the same time, the wedge 61 drives the movable rod 6 to move in the direction away from the ratchet 31. Since the elastic member 8 is slidably connected to the movable rod 6, the movable rod 6 slides along the inclined elastic member 8, thereby driving the rubber plug 4 to slide upward in the arc-shaped opening, and the arc-shaped opening is opened; when the ratchet 31 no longer rotates, the wedge 61 is not guided by the inclined surface of the tooth particles, and the movable rod 6 drives the wedge 61 to slide along the elastic member 8 under the action of gravity until the wedge 61 is tangent to the ratchet 31 again, and the rubber plug 4 slides downward with the movable rod 6 to seal the arc-shaped opening.

[0035] As another embodiment further provided by the present invention, the elastic member 8 includes an arc-shaped rail 81 for guiding the sliding movable rod 6 and a retention groove 82 provided at the end of the arc-shaped rail 81 .

[0036] Specifically, the wedge block 61 drives the movable rod 6 to move in the direction away from the ratchet 31, the movable rod 6 slides obliquely upward along the arc track 81, and finally stays in the retention groove 82, the movable rod 6 stops under the combined force formed by the thrust of the ratchet 31 on the wedge block 61 and the support force of the retention groove 82 on the movable rod 6. When the ratchet 31 no longer rotates, the wedge block 61 is not guided by the inclined surface of the tooth particles and moves in the direction close to the ratchet 31. At this time, the supporting force of the retention groove 82 on the movable rod 6 is not sufficient to offset the self-weight of the movable rod 6, so that the movable rod 6 slides out of the retention groove 82 and slides obliquely downward along the arc track 81.

[0037] As another embodiment further provided by the present invention, a stopper 52 is provided at the first end of the transmission rod 5 , and the stopper 52 and the movable rod 6 form a blocking fit.

[0038] Specifically, Figure 4 Taking the direction shown as a reference, a limit block 33 is provided on the wind shield 1 for limiting the rotation angle of the eccentric wheel 3. When the eccentric wheel 3 rotates counterclockwise, it drives the transmission rod 5 to move upward, and the movable rod 6 slides obliquely upward along the arc track 81 and finally stays in the retention groove 82. At this time, the stopper 52 on the transmission rod 5 does not contact the movable rod 6, and the rubber plug 4 moves upward accordingly and staggered with the arc opening, so that the arc opening is open. After the eccentric wheel 3 rotates a certain angle, it is blocked and stopped by the limit block 33, and then the eccentric wheel 3 rotates clockwise, the transmission rod 5 moves downward and drives the stopper 52 to press the upper end of the movable rod 6. The elastic member 8 is deformed after being pressed, so that the movable rod 6 escapes from the retention groove 82 and slides obliquely downward along the arc track 81, and the rubber plug 4 moves downward accordingly and blocks the arc opening.

[0039] As another embodiment further provided by the present invention, a rotating rod 7 for rolling the magnetic material is rotatably and symmetrically arranged inside the wind shield 1.

[0040] Specifically, a rotating wheel 71 is rotatably provided at the end of the rotating rod 7. When the magnetic material passes through the wind baffle 1, the transmission rod 5 moves upward, and the guide slider 72 slides along the inclined surfaces on both sides of the trapezoidal block 51, so that the rotating rods 7 on both sides rotate toward each other, and drive the rotating wheel 71 to rotate toward each other. The rotating wheel 71 crushes the magnetic material, further making the powder of the raw material more fine, which is beneficial to the subsequent pressing and molding.

[0041] Working principle: The wind shield 1 is set in the guide port, and the eccentric wheel 3 is divided into a wide part and a narrow part according to the relative length of the distance between the eccentric wheel 3 and the rotating shaft. In the initial position, the wide part of the eccentric wheel 3 is located below the rotating shaft. The magnetic material is placed on the lower mold 2 and moved by the operator manually pushing and pulling, or by an electric telescopic rod, so that the lower mold 2 passes through the arc opening. Since the distance between the eccentric wheel 3 and the bottom side of the arc opening is less than the thickness of the lower mold 2, the lower mold 2 drives the magnetic material to pass through the arc opening. The eccentric wheel 3 will be driven to rotate, and the force between the eccentric wheel 3 and the magnetic material will gradually decrease. The pin in the eccentric wheel 3 will rotate counterclockwise, driving the transmission rod 5 to slide upward. When the eccentric wheel 3 rotates, the ratchet 31 will be driven to rotate. Since the ratchet 31 and the wedge block 61 are tangent, and the cross section of the wedge block 61 is triangular, the wedge block 61 is guided by the inclined surface of the ratchet 31 during the rotation of the ratchet 31, and the ratchet 31 and the wedge block 61 are staggered. At the same time, the wedge block 61 drives the movable rod 6 to move away from the ratchet 31. As the elastic member 8 is slidably connected with the movable rod 6, the movable rod 6 slides obliquely upward along the arc track 81 and finally stays in the retention groove 82. At this time, the stopper 52 on the transmission rod 5 does not contact the movable rod 6, and the rubber plug 4 moves upward accordingly and staggers with the arc opening, so that the arc opening is open. After the eccentric wheel 3 rotates a certain angle, it is blocked by the limiting block 33 and stops. When the magnetic material completely passes through the arc opening, the eccentric wheel 3 loses the friction between it and the lower mold 2 and moves along the arc opening under the influence of its own gravity. The hour hand rotates and resets to the initial position with the narrow part on top and the wide part on the bottom, and drives the transmission rod 5 to slide downward, the stopper 52 presses the upper end of the movable rod 6, and the elastic member 8 is deformed after being pressed, so that the movable rod 6 escapes from the retention groove 82. When the ratchet 31 no longer rotates, the wedge block 61 is not guided by the inclined surface of the tooth particles, and the movable rod 6 drives the wedge block 61 to slide along the elastic member 8 under the action of gravity until the wedge block 61 is tangent to the ratchet 31 again, and the rubber plug 4 slides downward with the movable rod 6 to block the arc-shaped opening;

[0042] At the same time, when the transmission rod 5 moves upward, the guide slider 72 slides along the inclined surfaces on both sides of the trapezoidal block 51, so that the rotating rods 7 on both sides rotate towards each other, and drive the rotating wheel 71 to rotate towards each other. The rotating wheel 71 crushes the magnetic material, further making the powder of the raw material more fine, which is beneficial to the subsequent pressing and molding.

[0043] The above only describes some exemplary embodiments of the present invention by way of illustration. It is undoubted that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present invention. Therefore, the above drawings and descriptions are illustrative in nature and should not be construed as limiting the scope of protection of the claims of the present invention.

Claims

1. A magnetic material processing and forming hydraulic equipment, characterized in that: It comprises a wind shield (1) and an arc-shaped opening thereon for conveying magnetic materials; A lower mold (2) driven to slide in the arc-shaped opening and used for placing magnetic materials; An eccentric wheel (3) is rotatably disposed in the wind shield (1), wherein the distance between the eccentric wheel and the bottom side of the arc-shaped opening is smaller than the thickness of the lower mold (2); The rubber plug (4) is arranged in the arc-shaped opening and is driven by the eccentric wheel (3) to open and close the arc-shaped opening.

2. A magnetic material processing and forming hydraulic equipment according to claim 1, characterized in that: A transmission rod (5) is slidably arranged inside the wind shield (1), and the transmission rod (5) is slidably matched with a pin rod inside the eccentric wheel (3), and the transmission rod (5) and the rubber plug (4) keep synchronous movement.

3. The magnetic material processing and forming hydraulic equipment according to claim 1, characterized in that: The eccentric wheel (3) is provided with a ratchet (31), an elastic member (8) is obliquely arranged inside the wind shield (1), a movable rod (6) is slidably arranged on the elastic member (8), the end of the movable rod (6) is a wedge block (61) tangent to the ratchet (31), and the movable rod (6) is slidably matched with the rubber plug (4).

4. A magnetic material processing and forming hydraulic equipment according to claim 3, characterized in that: The elastic member (8) comprises an arc-shaped rail (81) for guiding the sliding movable rod (6) and a retention groove (82) arranged at the end of the arc-shaped rail (81).

5. The magnetic material processing and forming hydraulic equipment according to claim 2, characterized in that: A stopper (52) is provided at the first end of the transmission rod (5), and the stopper (52) forms a stop-and-release fit with the movable rod (6).

6. The magnetic material processing and forming hydraulic equipment according to claim 1, characterized in that: A rotating rod (7) for rolling the magnetic material is rotatably and symmetrically arranged inside the wind shield (1).

7. The magnetic material processing and forming hydraulic equipment according to claim 6, characterized in that: A guide slide block (72) is provided on the rotating rod (7), and the guide slide block (72) is slidably matched with a trapezoidal block (51) provided at the end of the transmission rod (5).

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