Auxiliary preparation device of high-purity strontium sulfate for magnetic material

Abstract

The invention discloses an auxiliary preparation device of high-purity strontium sulfate for magnetic materials, which comprises: a base, the side part of which is provided with a controller; the material grinding cylinder is fixed on the top surface of the base, and the material grinding cylinder is composed of a coarse grinding cylinder and a fine grinding cylinder in a detachable manner; the coarse grinding mechanism is rotatably mounted in the coarse grinding cylinder and is used for performing a coarse grinding procedure on the materials in the coarse grinding cylinder; and the fine grinding mechanism is arranged in the fine grinding cylinder and is used for performing a fine grinding procedure on the roughly ground material. In the device disclosed by the invention, the stirring blades are automatically adjusted in angle by the driving mechanism adopting a gear transmission relationship, and when the stirring blades rotate along with the rotating seat, the stirring blades drive the plurality of grinding balls to move, so that the particle size of the material is continuously reduced until the material is ground into powder and is screened out from the annular notch, and the uniform reaction of the material in the later period is facilitated.

Description

Technical Field

[0001] The present invention specifically relates to the technical field of strontium sulfate preparation, and more specifically to an auxiliary preparation device for high-purity strontium sulfate used in magnetic materials. Background Art

[0002] The application fields of magnetic materials are constantly expanding, from traditional electronic devices and household appliances to emerging fields such as aerospace, medical, and intelligent transportation. Different fields have different requirements for the performance and quality of magnetic materials. For example, magnetic materials used in magnetic resonance imaging (MRI) devices in the medical field require extremely high purity and uniformity to ensure the accuracy and safety of imaging.

[0003] To produce high-purity magnetic materials, many auxiliary preparation devices are required to assist in the preparation of strontium sulfate. In the production process of strontium sulfate, the solution method is mainly used for preparation, and the production difficulty is relatively small. However, in the current preparation process, the raw material particles are not crushed, resulting in a general dissolution rate of the raw materials in the solvent, which is not conducive to the uniform progress of the reaction, and further leads to the generation of more impurities due to incomplete local reactions. Summary of the Invention

[0004] Therefore, the present invention proposes an auxiliary preparation device for high-purity strontium sulfate used in magnetic materials to solve the problems raised in the above background art.

[0005] To achieve the above object, the present invention provides the following technical solutions: An auxiliary preparation device for high-purity strontium sulfate used in magnetic materials, which includes:

[0006] A base, on the side of which a controller is installed;

[0007] An abrasive cylinder, which is fixed on the top surface of the base, and the abrasive cylinder is detachably composed of a coarse grinding cylinder and a fine grinding cylinder;

[0008] A coarse grinding mechanism, which is rotatably installed in the coarse grinding cylinder to perform a coarse grinding process on the materials in the coarse grinding cylinder;

[0009] A fine grinding mechanism, which is arranged in the fine grinding cylinder to perform a fine grinding process on the materials after coarse grinding;

[0010] And a material cylinder, which is fixedly connected to the coarse grinding cylinder, and a pressing mechanism is arranged in the material cylinder, and the pressing mechanism can extrude the materials downward.

[0011] In this embodiment, the fine grinding mechanism is composed of a sieve plate, a housing, and a fine grinding assembly. Among them, the sieve plate is clamped at the connection between the fine grinding cylinder and the coarse grinding cylinder. A housing is fixedly connected between the sieve plate and the base. The upper and lower cavities of the housing are connected through a feeding channel. A fine grinding assembly is arranged in the lower cavity of the housing, and the fine grinding assembly is driven by a forward and reverse motor fixed in the base.

[0012] In this embodiment, the fine grinding assembly includes:

[0013] A rotating shaft, which is rotatably arranged in the housing and driven by the forward and reverse motor;

[0014] A rotating seat, which is fixed on the rotating shaft. Stirring blades are circumferentially arrayed on the side wall of the rotating seat and rotatably installed through hinges;

[0015] An adjusting seat, which is fixed on the rotating shaft and connected to the rotating seat. A driving mechanism capable of driving the stirring blades to rotate synchronously is arranged in the adjusting seat;

[0016] And grinding balls, several of which are arranged and evenly arranged in the lower cavity of the housing.

[0017] In this embodiment, the width of the top of the stirring blade shows a decreasing trend relative to the width of its bottom.

[0018] In this embodiment, the driving mechanism includes:

[0019] A second gear, which is rotatably installed in the inner cavity of the adjusting seat;

[0020] A third gear, which is meshed and driven with the second gear, and the third gear is driven by a micro motor fixed in the adjusting seat;

[0021] And a first gear, which has the same number as the hinges. Each first gear is meshed and driven with the second gear, and each first gear is fixedly connected to the corresponding hinge pin shaft to drive the stirring blade to adjust the angle.

[0022] In this embodiment, a plurality of annular notches are provided at the bottom of the housing, and each annular notch is connected to the lower cavity of the fine grinding cylinder.

[0023] In this embodiment, at least two rotating rods are fixedly installed at the bottom of the rotating seat. Scraping blocks with the same number as the annular notches are fixed on each rotating rod, and each scraping block is slidably arranged in the corresponding annular notch in a matching manner.

[0024] In this embodiment, the fine grinding cylinder has a side port connected to its lower cavity. A discharge hopper is hermetically installed at the side port, and a powder extractor is connected between the side port and the discharge hopper.

[0025] In this embodiment, the material pressing mechanism is composed of a paddle shaft, a first propeller and a second propeller, wherein the paddle shaft can be rotatably installed in the material barrel and driven by the external motor, the first propeller is fixed on the top of the paddle shaft, and the second propeller is fixed on the bottom of the paddle shaft and close to the coarse grinding barrel.

[0026] In this embodiment, the coarse grinding mechanism is composed of a scraper and a plurality of mincing knives, wherein the scraper is fitted and rotatably mounted on the sieve plate, and the scraper is fixedly connected to the extension portion of the rotating shaft, and a plurality of mincing knives are arranged in a circular array on the top surface of the scraper, and each of the mincing knives is arranged at an angle.

[0027] The present invention adopts the above technology and has the following beneficial effects compared with the existing technology: in the device of the present invention, the stirring blade is automatically adjusted in angle by a driving mechanism using a gear transmission relationship. When the stirring blade rotates with the rotating seat, it drives a plurality of grinding balls to move. The grinding balls and the materials and the materials and the materials constantly collide and rub against each other, constantly impact and grind the materials, and can gradually break larger block materials into smaller particles, so that the particle size of the materials is continuously reduced until the materials are ground into powder and sieved out from the annular notch, so as to facilitate the uniform reaction of the materials in the later stage;

[0028] A scraper is slidably arranged in each annular notch. Since the rotating seat is driven by the forward and reverse motor to rotate relative to the shell, the scraper is driven by the rotating rod to scrape off the blockage in the annular notch to avoid powder discharge blockage. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the structure of a device for assisting the preparation of magnetic materials using high-purity strontium sulfate;

[0030] Figure 2 Schematic diagram of the partial internal structure of the device for auxiliary preparation of magnetic materials with high-purity strontium sulfate Figure 1 ;

[0031] Figure 3 for Figure 2 A magnified schematic diagram of part A;

[0032] Figure 4 Schematic diagram of the partial internal structure of the device for auxiliary preparation of magnetic materials with high-purity strontium sulfate Figure 2 ;

[0033] Figure 5 This is a schematic diagram of the internal structure of the abrasive cylinder in the device for auxiliary preparation of magnetic materials with high-purity strontium sulfate;

[0034] Figure 6 for Figure 5 A magnified schematic diagram of part B;

[0035] Figure 7 For Figure 5 An enlarged schematic view of part C in

[0036] In the figure: 1. External motor; 2. Material cylinder; 3. Abrasive cylinder; 4. Controller; 5. Base; 6. Discharge hopper; 7. Powder extractor; 8. Fine grinding mechanism; 9. First propeller; 10. Second propeller; 11. Propeller shaft; 12. Crushing knife; 13. Scraping disc; 801. Sieve disc; 802. Housing; 803. Rotating seat; 804. Rotating shaft; 805. Stirring blade; 806. Feeding channel; 807. Micro motor; 808. Gear one; 809. Hinge pin shaft; 810. Gear two; 811. Gear three; 812. Adjusting seat; 813. Grinding ball; 814. Rotating rod; 815. Powder outlet; 816. Scraping block. Specific embodiments

[0037] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0038] Embodiment: Please refer to the attached Figures 1-7 , the present invention provides a technical solution: a high-purity strontium sulfate auxiliary preparation device for magnetic materials, which includes:

[0039] A base 5, on the side of which a controller 4 is installed;

[0040] An abrasive cylinder 3, which is fixed on the top surface of the base 5, and the abrasive cylinder 3 is detachably composed of a coarse grinding cylinder and a fine grinding cylinder;

[0041] A coarse grinding mechanism, which is rotatably installed in the coarse grinding cylinder to perform a coarse grinding process on the materials in the coarse grinding cylinder;

[0042] A fine grinding mechanism 8, which is arranged in the fine grinding cylinder to perform a fine grinding process on the materials after coarse grinding;

[0043] And a material cylinder 2, which is fixedly communicated with the coarse grinding cylinder. A pressing mechanism is arranged in the material cylinder 2, and the pressing mechanism can extrude the materials downward;

[0044] It should be noted that the coarse grinding process is used to perform the first crushing on the materials, so that the materials are further granulated, reducing the working difficulty of the fine grinding process and improving the powder grinding effect of the materials.

[0045] In this embodiment, the fine grinding mechanism 8 is composed of a sieve plate 801, a shell 802 and a fine grinding assembly, wherein the sieve plate 801 is clamped at the connection between the fine grinding cylinder and the coarse grinding cylinder, the shell 802 is fixedly connected between the sieve plate 801 and the base 5, the upper and lower chambers of the shell 802 are connected through a discharge channel 806, a fine grinding assembly is arranged in the lower chamber of the shell 802, and the fine grinding assembly is driven by a forward and reverse motor fixed in the base 5, and the upper chamber of the shell 802 is connected to each sieve hole on the sieve plate 801.

[0046] In this embodiment, the fine grinding assembly includes:

[0047] A rotating shaft 804 is rotatably disposed in the housing 802 and driven by a forward and reverse motor;

[0048] A rotating seat 803 is fixed on the rotating shaft 804, and stirring blades 805 are rotatably mounted on the side wall of the rotating seat 803 in a circular array through hinges;

[0049] An adjustment seat 812 is fixed on the rotating shaft 804 and connected to the rotating seat 803. A driving mechanism capable of driving the stirring blades 805 to rotate synchronously is arranged in the adjustment seat 812;

[0050] and grinding balls 813, which are provided in plurality and are evenly arranged in the lower cavity of the housing 802;

[0051] Specifically, the stirring blade 805 is automatically adjusted in angle by the driving mechanism. When the stirring blade rotates with the rotating seat, it drives a plurality of grinding balls 813 to move. The grinding balls 813 and the materials, as well as the materials themselves, continuously collide and rub against each other, continuously impact and grind the materials, and can gradually break larger block materials into smaller particles, so that the particle size of the materials is continuously reduced until the materials are ground into powder and sieved out from the annular notch.

[0052] In this embodiment, the width of the top of the stirring blade 805 decreases relative to the width of the bottom thereof;

[0053] It should be noted that the design of the stirring blades is mainly for grinding the material at the bottom of the lower cavity of the shell. After the material at the bottom is ground into powder and sieved out, the material above is added to control the grinding order.

[0054] In this embodiment, the driving mechanism includes:

[0055] Gear 2 810, which is rotatably mounted in the inner cavity of the adjustment seat 812;

[0056] Gear 3 811 is meshed with gear 2 810 for transmission, and gear 3 811 is driven by a micro motor 807 fixed in an adjustment seat 812;

[0057] and a first gear 808, which has the same number as the hinges, each first gear 808 is meshed and driven with a second gear 810, and each first gear 808 is fixedly connected to the corresponding hinge pin 809 to drive the stirring blade 805 for angle adjustment;

[0058] Specifically, since both the rotating seat and the adjusting seat are driven to rotate by a forward and reverse motor through the rotating shaft 804, the rotating seat and the adjusting seat are relatively stationary. When the micro motor drives the third gear 811 to rotate, the second gear 810 is meshed and driven with the third gear 811. At the same time, the second gear 810 is meshed and driven with each first gear 808 to drive the hinge pin 809 to make an angular adjustment within a certain range to meet the turning requirement of the material quantity in the housing.

[0059] In this embodiment, a plurality of annular notches are provided at the bottom of the housing 802, and each annular notch communicates with the lower cavity of the fine grinding cylinder.

[0060] In this embodiment, at least two rotating rods 814 are fixedly installed at the bottom of the rotating seat 803. Each rotating rod 814 is fixed with a scraping block 816 having the same number as the annular notches, and each scraping block 816 is slidably arranged in the corresponding annular notch in a matching manner to scrape the blockage in the annular notch to avoid powder discharge blockage.

[0061] In this embodiment, the fine grinding cylinder has a side port communicating with its lower cavity. A discharge hopper 6 is hermetically installed at the side port, and a powder extractor is connected between the side port and the discharge hopper 6.

[0062] In this embodiment, the pressing mechanism is composed of a pulp shaft 22, a first propeller 9 and a second propeller 10. Among them, the pulp shaft 22 is rotatably installed in the material cylinder 2 and is driven by an external motor 1. The first propeller 9 is fixed at the top of the pulp shaft 22, and the second propeller 10 is fixed at the bottom of the pulp shaft 22 and near the coarse grinding cylinder;

[0063] Specifically, the first propeller 9 is used to extrude and convey the material downward, and the second propeller 10 is used to convey the material into the coarse grinding cylinder and pressurize the material in the coarse grinding cylinder to increase the contact rate between the material and the coarse grinding mechanism, thereby assisting in improving the coarse grinding efficiency.

[0064] In this embodiment, the coarse grinding mechanism is composed of a scraping disc 13 and a plurality of crushing knives 12. Among them, the scraping disc 13 is fitted and rotatably installed on the sieve disc 801, and the scraping disc 13 is fixedly connected to the extending part of the rotating shaft 804. A plurality of crushing knives 12 are circumferentially arranged on the top surface of the scraping disc 13, and each crushing knife 12 is inclined;

[0065] Specifically, the scraping disc 13 is used to scrape up the material particles blocking the sieve holes of the sieve disc to avoid blockage of the sieve holes.

[0066] Although embodiments of the present invention have been shown and described, those of ordinary skill in the art will understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A device for auxiliary preparation of high-purity strontium sulfate for magnetic materials, characterized in that: It includes: A base (5) having a controller (4) mounted on its side; An abrasive cylinder (3) fixed on the top surface of the base (5), and the abrasive cylinder (3) is composed of a coarse grinding cylinder and a fine grinding cylinder which are detachable; A coarse grinding mechanism, which is rotatably mounted in the coarse grinding cylinder to perform a coarse grinding process on the material in the coarse grinding cylinder; A fine grinding mechanism (8), which is arranged in the fine grinding cylinder to perform a fine grinding process on the coarsely ground material; And a material barrel (2) which is fixedly connected to the coarse grinding barrel, wherein a material pressing mechanism is arranged in the material barrel (2), and the material pressing mechanism is capable of pressing the material downwards.

2. The high-purity strontium sulfate auxiliary preparation device for magnetic materials according to claim 1, characterized in that: The fine grinding mechanism (8) is composed of a sieve plate (801), a shell (802), and a fine grinding assembly, wherein the sieve plate (801) is clamped at the connection between the fine grinding cylinder and the coarse grinding cylinder, the shell (802) is fixedly connected between the sieve plate (801) and the base (5), the upper and lower chambers of the shell (802) are connected via a feed channel (806), the fine grinding assembly is arranged in the lower chamber of the shell (802), and the fine grinding assembly is driven by a forward and reverse motor fixed in the base (5).

3. The high-purity strontium sulfate auxiliary preparation device for magnetic materials according to claim 2, characterized in that: The fine grinding assembly comprises: A rotating shaft (804) rotatably disposed in the housing (802) and driven by the forward and reverse motor; A rotating seat (803) is fixed on the rotating shaft (804), and stirring blades (805) are rotatably mounted in a circular array on the side wall of the rotating seat (803) via hinges; an adjusting seat (812) fixed on the rotating shaft (804) and connected to the rotating seat (803); a driving mechanism capable of driving the stirring blades (805) to rotate synchronously is arranged in the adjusting seat (812); And a plurality of grinding balls (813) are provided and evenly arranged in the lower cavity of the shell (802).

4. The high-purity strontium sulfate auxiliary preparation device for magnetic materials according to claim 3, characterized in that: The width of the top of the stirring blade (805) decreases relative to the width of the bottom thereof.

5. The high-purity strontium sulfate auxiliary preparation device for magnetic materials according to claim 4, characterized in that: The driving mechanism comprises: Gear 2 (810), which is rotatably mounted in the inner cavity of the adjustment seat (812); Gear three (811), which meshes with gear two (810) for transmission, and gear three (811) is driven by a micro motor (807) fixed in the adjustment seat (812); and gear one (808), the number of which is the same as the number of the hinges, each of the gear one (808) is meshed with the gear two (810) for transmission, and each of the gear one (808) is fixedly connected to the corresponding hinge pin (809) to drive the stirring blade (805) to adjust the angle.

6. The high-purity strontium sulfate auxiliary preparation device for magnetic materials according to claim 3, characterized in that: The bottom of the shell (802) is provided with a plurality of annular notches, and each of the annular notches is in communication with the lower cavity of the fine grinding cylinder.

7. The high-purity strontium sulfate auxiliary preparation device for magnetic materials according to claim 4, characterized in that: At least two rotating rods (814) are fixedly mounted on the bottom of the rotating seat (803), and each rotating rod (814) is fixed with scraping blocks (816) having the same number as the annular notches, and each scraping block (816) is adapted to be slidably disposed in the annular notch corresponding thereto.

8. The device for auxiliary preparation of high-purity strontium sulfate for magnetic materials according to claim 7, characterized in that: The fine grinding cylinder has a side opening connected to its lower cavity, a discharge hopper (6) is sealedly mounted at the side opening, and a powder extractor is connected between the side opening and the discharge hopper (6).

9. The high-purity strontium sulfate auxiliary preparation device for magnetic materials according to claim 1, characterized in that: The material pressing mechanism is composed of a paddle shaft (22), a first propeller (9) and a second propeller (10), wherein the paddle shaft (22) is rotatably mounted in the material barrel (2) and driven by the external motor (1), the first propeller (9) is fixed to the top of the paddle shaft (22), and the second propeller (10) is fixed to the bottom of the paddle shaft (22) and close to the coarse grinding barrel.

10. The high-purity strontium sulfate auxiliary preparation device for magnetic materials according to claim 2, characterized in that: The coarse grinding mechanism is composed of a scraper (13) and a plurality of mincing knives (12), wherein the scraper (13) is fitted and rotatably mounted on the sieve plate (801), and the scraper (13) is fixedly connected to an extension of the rotating shaft (804), and a plurality of mincing knives (12) are arranged in a circular array on the top surface of the scraper (13), and each of the mincing knives (12) is arranged at an angle.

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