Permanent-magnet variable-frequency filling magnetic pump shell structure and manufacturing and assembling method thereof

Abstract

The invention discloses a permanent magnet frequency conversion filling magnetic drive pump shell structure which comprises a shell, a mounting flange and an annular protrusion which are poured into an integrated structure. The shell is provided with a reinforcing structure and a concentric positioning structure; the reinforcing structure is provided with a wire box structure; the concentric positioning structure comprises a first installation groove, a second positioning groove, a third annular protruding block, a fourth positioning groove and a fifth positioning groove which are arranged on the same central axis. The invention further discloses a manufacturing and assembling method. The integrated design of the shell, the mounting flange and the annular protrusion is achieved in a pouring forming mode, so that the overall strength and stability of the structure are improved, and the manufacturing cost is reduced; the concentric positioning structure is arranged to provide multiple concentric positioning, so that quick positioning and assembly matching precision during subsequent motor winding installation are improved, the problem of concentricity deviation is solved, and subsequent assembly quality and use performance are guaranteed.

Description

Technical Field

[0001] The invention relates to the technical field of permanent magnet variable frequency magnetic pumps, and in particular to a permanent magnet variable frequency filling magnetic pump housing structure and a manufacturing and assembly method thereof. Background Art

[0002] Permanent magnet variable frequency magnetic pump is a kind of fluid conveying equipment widely used in chemical, pharmaceutical, petroleum, food and other industries. This kind of pump transmits power through permanent magnetic coupling, avoids the leakage problem of traditional mechanical seals, and improves safety and reliability. However, the existing permanent magnet variable frequency magnetic pump still has some shortcomings in the design of the shell structure. For example, the traditional shell structure is often assembled from multiple parts, which not only increases the manufacturing cost and assembly difficulty, but also reduces the overall strength and stability. In addition, the existing shell structure also has certain limitations in thermal management, positioning accuracy, and installation and protection of electrical components. Summary of the invention

[0003] This invention is aimed at the current technical deficiencies and provides a permanent magnet variable frequency filling magnetic pump housing structure and its manufacturing and assembly method, aiming to solve the technical problems of low assembly efficiency and limited use of the permanent magnet variable frequency filling magnetic pump housing structure in the prior art.

[0004] The technical solution adopted by the present invention to achieve the above-mentioned purpose is:

[0005] A permanent magnet variable frequency filling magnetic pump housing structure includes a housing and a mounting flange, wherein the housing is arranged at one end of the mounting flange, and an annular protrusion is provided at the other end of the mounting flange; the housing, the mounting flange and the annular protrusion are an integrally formed structure formed by casting; the housing is provided with a reinforcement structure and a concentric positioning structure; the reinforcement structure is provided with a wire box structure.

[0006] As a further improvement, the concentric positioning structure includes a first mounting groove, a second positioning groove, a third annular protrusion, a fourth positioning groove and a fifth positioning groove; the first mounting groove, the second positioning groove, the third annular protrusion, the fourth positioning groove and the fifth positioning groove are all arranged on the same central axis.

[0007] As a further improvement, the reinforcement structure is arranged on the outer end surface of the shell; the reinforcement structure includes a plurality of reinforcement ribs, and the plurality of reinforcement ribs are arranged in an array on the outer end surface of the shell.

[0008] As a further improvement, equal spacing is provided between the reinforcing ribs, and a plurality of the equal spacings are used to form a heat dissipation groove structure.

[0009] As a further improvement, the wire box structure includes a frame, the frame is provided with a mounting groove, four inner corners of the frame are provided with reinforcement columns, and the reinforcement columns are provided with threaded holes.

[0010] As a further improvement, the installation groove is further provided with a plurality of protrusions, a glue injection port and a ground wire connection protrusion, and the plurality of protrusions and the ground wire connection protrusion are all provided with fixed threaded holes; a cavity is provided in the shell, and the glue injection port is connected to the cavity; the frame is also provided with a through hole.

[0011] As a further improvement, the shell is also provided with a fan-shaped concave structure, which extends from the outer surface of the shell to a surface of the frame; the shell is also provided with multiple fool-proof mounting planes and multiple cylinders, and the fool-proof mounting planes and cylinders are both provided with a threaded hole.

[0012] As a further improvement, the annular protrusion is further provided with a groove 1; the mounting flange is further provided with a sealing ring groove and a plurality of through holes 1, and the plurality of through holes 1 are arranged in an annular array between the edge of the mounting flange and the sealing ring groove.

[0013] A manufacturing and assembly method for implementing the permanent magnet variable frequency filling magnetic pump housing structure, comprising the following steps:

[0014] S1. Casting: Set up a mold with a permanent magnet variable frequency filling magnetic pump shell structure molding cavity, and then pour the molten material into the mold. After the mold is cooled, remove the mold and disassemble the semi-finished permanent magnet variable frequency filling magnetic pump shell structure to achieve one-piece molding;

[0015] S2. Processing of the semi-finished product of the permanent magnet variable frequency filling magnetic pump shell structure: Processing the semi-finished product of the permanent magnet variable frequency filling magnetic pump shell structure, polishing, threaded holes, through holes and external contours to form the product permanent magnet variable frequency filling magnetic pump shell structure;

[0016] S3. Assembly: Position and assemble the permanent magnet variable frequency magnetic pump head in conjunction with the concentric positioning structure of the permanent magnet variable frequency filling magnetic pump housing structure, and then perform glue filling through the glue filling port. The permanent magnet variable frequency magnetic pump head is provided with a flange plate, and the permanent magnet variable frequency magnetic pump head is connected to the mounting flange through the flange plate and fixed on the permanent magnet variable frequency filling magnetic pump housing structure, and the entire assembly process is completed.

[0017] The beneficial effects of the present invention are as follows: the present invention realizes the integrated design of the shell, the mounting flange and the annular protrusion by casting, thereby improving the overall strength and stability of the structure and reducing the manufacturing cost; by arranging a concentric positioning structure composed of a first mounting groove, a second positioning groove, a third annular protrusion, a fourth positioning groove and a fifth positioning groove in the shell, multiple concentric positioning is provided, thereby enabling rapid positioning and assembly accuracy during subsequent motor winding installation, solving the problem of concentricity deviation, and ensuring the quality and performance of subsequent assembly; by arranging a reinforcement structure to improve the overall strength of the shell, the service life of the shell structure of the permanent magnet variable frequency filling magnetic pump is improved; the shell structure also specially designs a wire box structure, a heat dissipation slot structure and a variety of positioning and mounting structures to improve the installation convenience and safety of electrical components, and further improve the working performance and reliability of the permanent magnet variable frequency magnetic pump.

[0018] The present invention is further described below in conjunction with the accompanying drawings and specific implementation methods. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0020] Figure 1 This is a schematic diagram of the overall structure of the permanent magnet variable frequency filling magnetic pump housing structure of this embodiment;

[0021] Figure 2 It is a rear view schematic diagram of the housing structure of the permanent magnet variable frequency filling magnetic pump of this embodiment;

[0022] Figure 3 It is a top view schematic diagram of the housing structure of the permanent magnet variable frequency filling magnetic pump of this embodiment;

[0023] Figure 4 It is a schematic diagram of the principle of the manufacturing and assembly method of this embodiment. DETAILED DESCRIPTION

[0024] The following descriptions are merely preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention.

[0025] For example, see the attached Figure 1 to Figure 4A permanent magnet variable frequency filling magnetic pump housing structure 1 includes a housing 2 and a mounting flange 3, wherein the housing 2 is arranged at one end of the mounting flange 3, and an annular protrusion 4 is provided at the other end of the mounting flange 3; the housing 2, the mounting flange 3 and the annular protrusion 4 are an integrally formed structure formed by casting; the housing 2 is provided with a reinforcement structure 5 and a concentric positioning structure 6; the reinforcement structure 5 is provided with a wire box structure 7.

[0026] The concentric positioning structure 6 includes a first mounting groove 60, a second positioning groove 61, a third annular protrusion 62, a fourth positioning groove 63 and a fifth positioning groove 64; the first mounting groove 60, the second positioning groove 61, the third annular protrusion 62, the fourth positioning groove 63 and the fifth positioning groove 64 are all arranged on the same central axis. By setting the concentric positioning structure 6, it is used to provide multiple concentric positioning structures 6, so that the subsequent motor winding can be quickly positioned and the matching accuracy can be improved during installation, the problem of concentricity deviation can be solved, and the quality and performance of subsequent assembly can be guaranteed.

[0027] The reinforcing structure 5 is arranged on the outer end surface of the shell 2; the reinforcing structure 5 includes a plurality of reinforcing ribs 50, and the plurality of reinforcing ribs 50 are arranged in an array on the outer end surface of the shell 2, and the reinforcing structure 5 is used to improve the overall strength of the shell 2 and improve the service life of the permanent magnet variable frequency filling magnetic pump shell structure 1; equal spacing 51 is arranged between the reinforcing ribs 50 and the plurality of equal spacings 51 are used to form a heat dissipation groove structure, and the heat dissipation structure is used to dissipate heat, thereby improving the heat dissipation efficiency.

[0028] The wire box structure 7 includes a frame 70, and the frame 70 is provided with a mounting groove 71. The four inner corners of the frame 70 are provided with reinforcing columns 72, and the reinforcing columns 72 are provided with threaded holes. The wire box structure 7 is used for placing and protecting circuit boards, and the reinforcing columns 72 are used to improve the overall strength of the wire box structure 7 and improve the protection performance.

[0029] The mounting groove 71 is further provided with a plurality of protrusions 710, a glue injection port 711 and a ground wire connection protrusion 712. The plurality of protrusions 710 and the ground wire connection protrusion 712 are both provided with fixed threaded holes. The plurality of protrusions 710 are used to raise the terminal block, so that there is a heat dissipation space between the bottom of the terminal block and the bottom surface of the mounting groove 71, which is convenient for heat dissipation of the terminal block; a cavity is provided in the shell 2, and the glue injection port 711 is connected to the cavity; the frame 70 is also provided with a through hole, and the glue injection port 711 is arranged in the mounting groove 71, so that the entire permanent magnet variable frequency filling magnetic pump shell structure 1 is more concise, and the ground wire connection protrusion 712 is used to increase the contact area and efficiency of the subsequent ground wire connection, thereby eliminating the accumulation of static electricity due to poor ground wire contact and improving the safety of operation.

[0030] The shell 2 is also provided with a fan-shaped concave structure, which extends from the outer surface of the shell 2 to a surface of the frame 70. The fan-shaped concave structure is used to expose the through hole, so as to facilitate the subsequent extension of the cable, prevent the cable from being pressed and scratched, improve the compactness of the subsequent installation of the pump casing or outer cover, and increase the aesthetics; the shell 2 is also provided with multiple fool-proof installation planes and multiple cylinders, and the fool-proof installation planes and cylinders are both provided with threaded holes. The fool-proof installation planes are used to prevent fools in installation when fixing the outer cover or pump casing, thereby improving the efficiency of installation and positioning.

[0031] The annular protrusion 4 is also provided with a groove 1, and the annular protrusion 4 and the groove 1 are used for positioning and matching during assembly; the mounting flange 3 is also provided with a sealing ring groove and a plurality of through holes 1, and the plurality of through holes 1 are arranged in a circular array between the edge of the mounting flange 3 and the sealing ring groove.

[0032] A manufacturing and assembly method for implementing the permanent magnet variable frequency filling magnetic pump housing structure 1 comprises the following steps:

[0033] S1. Casting: A mold having a permanent magnet variable frequency filling magnetic pump housing structure 1 is provided, and then the molten material is poured into the mold. After the mold is cooled, the semi-finished permanent magnet variable frequency filling magnetic pump housing structure 1 is removed from the mold to achieve one-piece molding;

[0034] S2. Processing of the semi-finished product of the permanent magnet variable frequency filling magnetic pump housing structure 1: Processing the semi-finished product of the permanent magnet variable frequency filling magnetic pump housing structure 1, polishing, threaded holes, through holes and external contours to form the product permanent magnet variable frequency filling magnetic pump housing structure 1;

[0035] S3. Assembly: Position and assemble the permanent magnet variable frequency magnetic pump head in conjunction with the concentric positioning structure 6 of the permanent magnet variable frequency filling magnetic pump housing structure 1, and then perform glue filling through the glue filling port 711. The permanent magnet variable frequency magnetic pump head is provided with a flange, and the permanent magnet variable frequency magnetic pump head is connected to the mounting flange 3 through the flange and fixed on the permanent magnet variable frequency filling magnetic pump housing structure 1, and the entire assembly process is completed.

[0036] The present invention realizes the integrated design of the shell, the mounting flange and the annular protrusion by casting, thereby improving the overall strength and stability of the structure and reducing the manufacturing cost; by arranging a concentric positioning structure composed of a first mounting groove, a second positioning groove, a third annular protrusion 710, a fourth positioning groove and a fifth positioning groove in the shell, multiple concentric positioning is provided, thereby enabling rapid positioning and assembly accuracy during subsequent motor winding installation, solving the problem of concentricity deviation, and ensuring the quality and performance of subsequent assembly; by arranging a reinforcement structure to improve the overall strength of the shell, the service life of the shell structure of the permanent magnet variable frequency filling magnetic pump is increased; the shell structure is also specially designed with a wire box structure, a heat dissipation slot structure and a variety of positioning and mounting structures to improve the installation convenience and safety of electrical components, further improving the working performance and reliability of the permanent magnet variable frequency magnetic pump.

[0037] The present invention is not limited to the above-mentioned embodiments. Other housing structures for permanent magnet variable frequency filling magnetic pumps and their manufacturing and assembly methods obtained by using the same or similar structures, devices, processes or methods as the above-mentioned embodiments of the present invention are within the protection scope of the present invention.

Claims

1. A permanent magnet variable frequency filling magnetic pump housing structure, characterized in that: The shell structure includes a shell and a mounting flange, the shell is arranged at one end of the mounting flange, and the other end of the mounting flange is provided with an annular protrusion; the shell, the mounting flange and the annular protrusion are an integrally formed structure formed by casting; the shell is provided with a reinforcement structure and a concentric positioning structure; the reinforcement structure is provided with a wire box structure.

2. The housing structure of the permanent magnet variable frequency filling magnetic pump according to claim 1 is characterized in that: The concentric positioning structure includes a first mounting groove, a second positioning groove, a third annular protrusion, a fourth positioning groove and a fifth positioning groove; the first mounting groove, the second positioning groove, the third annular protrusion, the fourth positioning groove and the fifth positioning groove are all arranged on the same central axis.

3. The housing structure of the permanent magnet variable frequency filling magnetic pump according to claim 2 is characterized in that: The reinforcement structure is arranged on the outer end surface of the shell; the reinforcement structure includes a plurality of reinforcement ribs, and the plurality of reinforcement ribs are arranged on the outer end surface of the shell in an array manner.

4. The housing structure of the permanent magnet variable frequency filling magnetic pump according to claim 3 is characterized in that: The reinforcing ribs are arranged at equal intervals, and a plurality of the reinforcing ribs at equal intervals are used to form a heat dissipation slot structure.

5. The housing structure of the permanent magnet variable frequency filling magnetic pump according to claim 4 is characterized in that: The wire box structure comprises a frame, the frame is provided with a mounting groove, four inner corners of the frame are provided with reinforcement columns, and the reinforcement columns are provided with threaded holes.

6. The housing structure of the permanent magnet variable frequency filling magnetic pump according to claim 5 is characterized in that: The installation groove is also provided with a plurality of protrusions, a glue injection port and a ground wire connection protrusion, and the plurality of protrusions and the ground wire connection protrusion are all provided with fixed threaded holes; a cavity is provided in the shell, and the glue injection port is connected to the cavity; the frame is also provided with a through hole.

7. The housing structure of the permanent magnet variable frequency filling magnetic pump according to claim 6 is characterized in that: The shell is also provided with a fan-shaped concave structure, which extends from the outer surface of the shell to a surface of the frame; the shell is also provided with multiple fool-proof mounting planes and multiple cylinders, and the fool-proof mounting planes and cylinders are both provided with a threaded hole.

8. The housing structure of the permanent magnet variable frequency filling magnetic pump according to claim 7 is characterized in that: The annular protrusion is also provided with a groove 1; the mounting flange is also provided with a sealing ring groove and a plurality of through holes 1, and the plurality of through holes 1 are arranged in an annular array between the edge of the mounting flange and the sealing ring groove.

9. A method for manufacturing and assembling a housing structure of a permanent magnet variable frequency filling magnetic pump according to any one of claims 1 to 8, characterized in that: It includes the following steps: S1. Casting: Set up a mold with a permanent magnet variable frequency filling magnetic pump shell structure molding cavity, and then pour the molten material into the mold. After the mold is cooled, remove the mold and disassemble the semi-finished permanent magnet variable frequency filling magnetic pump shell structure to achieve one-piece molding; S2. Processing of the semi-finished product of the permanent magnet variable frequency filling magnetic pump shell structure: Processing the semi-finished product of the permanent magnet variable frequency filling magnetic pump shell structure, polishing, threaded holes, through holes and external contours to form the product permanent magnet variable frequency filling magnetic pump shell structure; S3. Assembly: Position and assemble the permanent magnet variable frequency magnetic pump head in conjunction with the concentric positioning structure of the permanent magnet variable frequency filling magnetic pump housing structure, and then perform glue filling through the glue filling port. The permanent magnet variable frequency magnetic pump head is provided with a flange plate, and the permanent magnet variable frequency magnetic pump head is connected to the mounting flange through the flange plate and fixed on the permanent magnet variable frequency filling magnetic pump housing structure, and the entire assembly process is completed.

Images