Built-in permanent magnet motor mounting structure of sand mill

By using the U-shaped rod and insert block in the sand mill, the pre-fixation of the permanent magnet motor is achieved, which solves the problem of lifting during installation of the permanent magnet motor, improves the installation efficiency and safety, and avoids finger pain.

CN223181905UActive Publication Date: 2025-08-01WEIHAI SANXING FEIRONG NANOTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422069778.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-26
Publication Date
2025-08-01
Estimated Expiration
2034-08-26

AI Technical Summary

Technical Problem

The permanent magnet motor in existing sand mills requires lifting when installing, which makes installation difficult and inconvenient, affecting efficiency and safety.

Method used

By pre-fixing during installation of the permanent magnet motor, the U-shaped rod, connecting rod and insert block can be used to lift the motor, avoid direct lifting, and simplify the installation process.

Benefits of technology

It reduces the difficulty of installing permanent magnet motors, improves installation efficiency and safety, and avoids discomfort such as finger pain.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223181905U_ABST
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Abstract

The utility model discloses a sand mill built-in permanent magnet motor installation structure which comprises a machine body, a cylindrical box is fixedly installed on the inner wall of the machine body, and a sliding rod is connected to the inner wall of the cylindrical box in a sliding mode. A U-shaped rod is fixedly connected to the right end of the sliding rod, a circular plate is fixedly connected to the surface of the sliding rod, a spring is fixedly connected between the circular plate and the inner wall of the cylindrical box, a permanent magnet motor is arranged in an inner cavity of the machine body, and a fastening bolt is jointly installed between the permanent magnet motor and the machine body. The U-shaped rod slides in the inner wall of the sleeve block and drives the connecting rod to move, so that the connecting rod drives the inserting block to enter the inner cavity of the inserting hole, then the inserting block carries out lifting and force application on the permanent magnet motor through the rectangular block, the permanent magnet motor can be pre-fixed during installation, lifting can be avoided when bolts are installed on the motor, and the installation efficiency of the permanent magnet motor is improved. Therefore, the installation difficulty is reduced, and the installation efficiency and safety of the motor are improved.
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Description

Technical Field

[0001] The utility model belongs to the technical field of sand mills, and particularly relates to an installation structure of a built-in permanent magnet motor of a sand mill. Background Technique

[0002] The sand mill is the most versatile, advanced and efficient grinding equipment with the narrowest grinding chamber, the smallest clearance between the stirring rods, the most intensive grinding energy. With a high-performance cooling system and an automatic control system, it can realize continuous processing and continuous discharging of materials, greatly improving the production efficiency.

[0003] A permanent magnet motor is built into the sand mill. The permanent magnet motor and the machine body are usually fastened and connected by bolts, which has a simple structure and good effect. When the permanent magnet motor is maintained or replaced, it needs to be disassembled and installed. Some permanent magnet motors are arranged at the top of the inner cavity of the machine body, and the motor needs to be lifted when installing the bolts, which is inconvenient and laborious. Therefore, an installation structure of a built-in permanent magnet motor of a sand mill is needed, which can pre-fix the permanent magnet motor during installation, so that the motor can avoid being lifted when installing the bolts, thereby reducing the installation difficulty and improving the installation efficiency and safety of the motor. Summary of the Utility Model

[0004] The purpose of the utility model is to provide an installation structure of a built-in permanent magnet motor of a sand mill, which pre-fixes the permanent magnet motor during installation, so that the motor can avoid being lifted when installing the bolts, thereby reducing the installation difficulty and improving the installation efficiency and safety of the motor, so as to solve the technical problems proposed in the above background technique.

[0005] The technical solution of the utility model to solve the above technical problems is as follows: an installation structure of a built-in permanent magnet motor of a sand mill, which includes a machine body: a cylindrical box is fixedly installed on the inner wall of the machine body, a sliding rod is slidably connected to the inner wall of the cylindrical box, the right end of the sliding rod is fixedly connected with a U-shaped rod, a circular plate is fixedly connected to the surface of the sliding rod, a spring is fixedly connected between the circular plate and the inner wall of the cylindrical box, a permanent magnet motor is arranged in the inner cavity of the machine body, a fastening bolt is jointly installed between the permanent magnet motor and the machine body, two symmetrically arranged rectangular blocks are fixedly connected to the surface of the permanent magnet motor, a connecting rod is welded to the end of the U-shaped rod, a jack is opened on the surface of the rectangular block, a plug is fixedly connected to the end of the connecting rod, a rectangular opening adapted to the connecting rod is opened at the top of the rectangular block, and two symmetrically arranged sleeve blocks are fixedly connected to the inner wall of the machine body, and the surface of the U-shaped rod is slidably connected with the inner wall of the sleeve block.

[0006] Preferably, the plug is located in the inner cavity of the jack, and the diameter of the plug is adapted to the inner diameter of the jack.

[0007] Preferably, two symmetrically arranged conical blocks are fixedly connected to the surface of the permanent magnet motor, a conical groove is fixedly connected to the inner wall of the machine body, and the top end of the conical block extends into the inner cavity of the conical groove.

[0008] Preferably, a sanding assembly is installed on the top of the machine body, and the output shaft of the permanent magnet motor penetrates above the machine body and is fixedly connected to the sanding assembly.

[0009] Preferably, a pressing block is fixedly connected to the left end of the sliding rod.

[0010] The beneficial effects of the present utility model are as follows:

[0011] 1. In the present utility model, the U-shaped rod slides in the inner wall of the sleeve block and drives the connecting rod to move, so that the connecting rod drives the insertion block to enter the inner cavity of the insertion hole. Then, the insertion block exerts a lifting force on the permanent magnet motor through the rectangular block, thereby achieving pre-fixing of the permanent magnet motor during installation. Furthermore, when installing the motor bolts, the need for lifting can be avoided, thus reducing the installation difficulty and improving the installation efficiency and safety of the motor.

[0012] 2. In the present utility model, through the coordinated use of the conical block and the conical groove, the installation of the permanent magnet motor at the bottom of the inner cavity of the machine body is guided, avoiding the situation where the installation holes between the permanent magnet motor and the machine body are inconvenient to align.

[0013] 3. In the present utility model, through the setting of the pressing block, the force-bearing area at the end of the sliding rod is increased, avoiding the occurrence of finger pain when the user directly presses the sliding rod. Description of the Drawings

[0014] Among them:

[0015] Figure 1 is a schematic structural diagram of an embodiment of the present utility model;

[0016] Figure 2 is a partial enlarged view of point A in an embodiment of the present utility model Figure 1 in;

[0017] Figure 3 is a partial enlarged view of point B in an embodiment of the present utility model Figure 1 in;

[0018] Figure 4 is a three-dimensional schematic diagram of the insertion block and the rectangular opening in an embodiment of the present utility model;

[0019] Figure 5 is a three-dimensional disassembled schematic diagram of the conical block and the conical groove in an embodiment of the present utility model.

[0020] In the drawings, the list of components represented by each reference numeral is as follows:

[0021] 1. Machine body, 2. Cylindrical box, 3. Slide bar, 4. U-shaped bar, 5. Circular plate, 6. Spring, 7. Permanent magnet motor, 8. Fastening bolt, 9. Rectangular block, 10. Connecting rod, 11. Insertion hole, 12. Insert block, 13. Rectangular opening, 14. Tapered block, 15. Tapered groove, 16. Sanding assembly, 17. Pressing block, 18. Sleeve block. Detailed implementation mode

[0022] In the following, embodiments of the installation structure of the built-in permanent magnet motor of the sand mill of the present invention will be described with reference to the accompanying drawings.

[0023] Embodiment 1:

[0024] Figures 1-5 The installation structure of the built-in permanent magnet motor of the sand mill showing an embodiment of the present invention includes a machine body 1: a cylindrical box 2 is fixedly installed on the inner wall of the machine body 1, a slide bar 3 is slidably connected to the inner wall of the cylindrical box 2, the right end of the slide bar 3 is fixedly connected to a U-shaped bar 4, a circular plate 5 is fixedly connected to the surface of the slide bar 3, a spring 6 is fixedly connected between the circular plate 5 and the inner wall of the cylindrical box 2, a permanent magnet motor 7 is arranged in the inner cavity of the machine body 1, a fastening bolt 8 is jointly installed between the permanent magnet motor 7 and the machine body 1, two symmetrically arranged rectangular blocks 9 are fixedly connected to the surface of the permanent magnet motor 7, a connecting rod 10 is welded to the end of the U-shaped bar 4, an insertion hole 11 is opened on the surface of the rectangular block 9, an insert block 12 is fixedly connected to the end of the connecting rod 10, the insert block 12 is located in the inner cavity of the insertion hole 11, the diameter of the insert block 12 is adapted to the inner diameter of the insertion hole 11, a rectangular opening 13 adapted to the connecting rod 10 is opened at the top of the rectangular block 9, two symmetrically arranged tapered blocks 14 are fixedly connected to the surface of the permanent magnet motor 7, a tapered groove 15 is fixedly connected to the inner wall of the machine body 1, the top end of the tapered block 14 extends into the inner cavity of the tapered groove 15, and through the cooperation of the tapered block 14 and the tapered groove 15, the installation of the permanent magnet motor 7 at the bottom of the inner cavity of the machine body 1 is guided, avoiding the situation that the installation holes between the permanent magnet motor 7 and the machine body 1 are inconvenient to align. Two symmetrically arranged sleeve blocks 18 are fixedly connected to the inner wall of the machine body 1, and the surface of the U-shaped bar 4 is slidably connected to the inner wall of the sleeve block 18.

[0025] Embodiment 2:

[0026] Figures 1-5Show the installation structure of a built-in permanent magnet motor of a sand mill according to an embodiment of the present invention, which includes a machine body 1: a cylindrical box 2 is fixedly installed on the inner wall of the machine body 1, a sliding rod 3 is slidably connected to the inner wall of the cylindrical box 2, the right end of the sliding rod 3 is fixedly connected to a U-shaped rod 4, a circular plate 5 is fixedly connected to the surface of the sliding rod 3, a spring 6 is fixedly connected between the circular plate 5 and the inner wall of the cylindrical box 2, a permanent magnet motor 7 is arranged in the inner cavity of the machine body 1, a fastening bolt 8 is commonly installed between the permanent magnet motor 7 and the machine body 1, two symmetrically arranged rectangular blocks 9 are fixedly connected to the surface of the permanent magnet motor 7, a connecting rod 10 is welded to the end of the U-shaped rod 4, a jack 11 is opened on the surface of the rectangular block 9, a plug 12 is fixedly connected to the end of the connecting rod 10, a rectangular opening 13 adapted to the connecting rod 10 is opened at the top of the rectangular block 9, a sand grinding assembly 16 is installed on the top of the machine body 1, the output shaft of the permanent magnet motor 7 penetrates above the machine body 1 and is fixedly connected to the sand grinding assembly 16, the left end of the sliding rod 3 is fixedly connected to a pressing block 17. Through the arrangement of the pressing block 17, the stress area at the end of the sliding rod 3 is increased, avoiding the occurrence of finger pain when the user directly presses the sliding rod 3. Two symmetrically arranged sleeve blocks 18 are fixedly connected to the inner wall of the machine body 1, and the surface of the U-shaped rod 4 is slidably connected to the inner wall of the sleeve block 18.

[0027] Working principle: When the present invention is used, the user presses the sliding rod 3 to drive the plug 12 to move rightward through the cooperation of the U-shaped rod 4 and the connecting rod 10, so that the sliding rod 3 compresses the spring 6 through the circular plate 5. Then, the permanent magnet motor 7 is lifted, so that the permanent magnet motor 7 drives the rectangular block 9 to move upward. At this time, the connecting rod 10 enters the inner cavity of the jack 11 through the rectangular opening 13. Subsequently, the sliding rod 3 is released, so that the resilience of the spring 6 drives the sliding rod 3 to move leftward through the circular plate 5. Then, the sliding rod 3 drives the U-shaped rod 4 to slide in the inner wall of the sleeve block 18 and drives the connecting rod 10 to move, so that the connecting rod 10 drives the plug 12 to enter the inner cavity of the jack 11. Then, the plug 12 applies a lifting force to the permanent magnet motor 7 through the rectangular block 9. Subsequently, the permanent magnet motor 7 is fixedly installed on the inner wall of the machine body 1 through the fastening bolt 8, realizing pre-fixation of the permanent magnet motor during installation. Thus, the motor can avoid being lifted when installing the bolts, thereby reducing the installation difficulty and improving the installation efficiency and safety of the motor.

[0028] In summary: For the installation structure of the built-in permanent magnet motor of the sand mill, by sliding the U-shaped rod 4 in the inner wall of the sleeve block 18 and driving the connecting rod 10 to move, the connecting rod 10 drives the plug 12 to enter the inner cavity of the jack 11. Then, the plug 12 applies a lifting force to the permanent magnet motor 7 through the rectangular block 9, achieving pre-fixation of the permanent magnet motor during installation. Thus, the motor can avoid being lifted when installing the bolts, thereby reducing the installation difficulty and improving the installation efficiency and safety of the motor.

Claims

1. An installation structure of a permanent magnet motor built into a sand mill, characterized in that, Comprising a body (1): A cylindrical box (2) is fixedly installed on the inner wall of the body (1). A sliding rod (3) is slidably connected to the inner wall of the cylindrical box (2). The right end of the sliding rod (3) is fixedly connected to a U-shaped rod (4). A circular plate (5) is fixedly connected to the surface of the sliding rod (3). A spring (6) is fixedly connected between the circular plate (5) and the inner wall of the cylindrical box (2). A permanent magnet motor (7) is arranged in the inner cavity of the body (1). A fastening bolt (8) is jointly installed between the permanent magnet motor (7) and the body (1). Two symmetrically arranged rectangular blocks (9) are fixedly connected to the surface of the permanent magnet motor (7). A connecting rod (10) is welded to the end of the U-shaped rod (4). A jack (11) is formed on the surface of the rectangular block (9). A plug (12) is fixedly connected to the end of the connecting rod (10). A rectangular opening (13) adapted to the connecting rod (10) is formed at the top of the rectangular block (9). Two symmetrically arranged sleeve blocks (18) are fixedly connected to the inner wall of the body (1). The surface of the U-shaped rod (4) is slidably connected to the inner wall of the sleeve block (18).

2. The installation structure of a built-in permanent magnet motor of a sand mill according to claim 1, characterized in that, The plug (12) is located in the inner cavity of the jack (11), and the diameter of the plug (12) is adapted to the inner diameter of the jack (11).

3. The installation structure of a built-in permanent magnet motor in a sand mill according to claim 2, characterized in that, Two symmetrically arranged conical blocks (14) are fixedly connected to the surface of the permanent magnet motor (7). A conical groove (15) is fixedly connected to the inner wall of the body (1). The top end of the conical block (14) extends into the inner cavity of the conical groove (15).

4. A built-in permanent magnet motor installation structure of a sand mill according to claim 3, characterized in that A sanding assembly (16) is installed on the top of the body (1). The output shaft of the permanent magnet motor (7) penetrates above the body (1) and is fixedly connected to the sanding assembly (16).

5. The installation structure of a built-in permanent magnet motor in a sand mill according to claim 4, characterized in that, A pressing block (17) is fixedly connected to the left end of the sliding rod (3).