Assembling tool and assembling method for magnetic disk magnetic steel of disk type magnetic drive pump

Abstract

The invention belongs to the field of magnetic drive pumps, and relates to an assembling tool and method for magnetic disk magnetic steel of a disk type magnetic drive pump, the assembling tool comprises an outer ring fixing seat, an inner rod, a fastening block, a plurality of positioning blocks, a plurality of inserting plates and fastening screws, and a limiting groove matched with an integral driving disk or an integral impeller is formed in the outer ring fixing seat; a first limiting part matched with a silicon carbide bearing on the integral impeller is formed at one end of the inner rod, and a second limiting part is formed at the other end of the inner rod; an internal thread through hole is formed in the middle of the inner rod and penetrates through the first limiting part and the second limiting part; the rod part of the fastening screw is in threaded connection with the first limiting part or the second limiting part; the plurality of positioning blocks are distributed between the inner rod and the outer ring fixing seat at intervals, and an insertion plate is inserted between every two adjacent positioning blocks. After the structure is adopted, the beneficial effects are that the structure is simple, the operation is convenient, the magnetic steel installation is convenient, and the efficiency is high.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of magnetic force pumps, in particular to an assembling tool and method for magnetic steel of a magnetic disc of a disc type magnetic force pump. BACKGROUND

[0002] The shield pump is a leakage-free pump composed of a pump and a shield motor. Due to its advantages of leakage-free, small size and low noise, the shield pump is an important equipment for conveying special cooling liquid, toxic liquid (such as toxin, foul liquid), dangerous liquid (such as corrosive, explosive, flammable and volatile liquid) and valuable liquid, and is widely used in many occasions in the fields of petroleum and chemical industry, national defense and military industry, aerospace, air conditioning and refrigeration, cooling liquid cooling system, medicine and food, atomic energy and the like.

[0003] The gap between the adjacent two magnetic steels on the integral driving disc of the shield motor or the integral impeller on the pump head is relatively small, and the gap between the magnetic steels at the inner diameter of the magnetic steels is only 0.62 mm, so a set of magnetic steel assembling tool is needed to assemble the magnetic steels. SUMMARY

[0004] In order to solve the above problems of the prior art, the application provides an assembling tool and method for magnetic steel of a magnetic disc of a disc type magnetic force pump.

[0005] To achieve the above object, the application adopts the following technical scheme: As an aspect of the application, an assembling tool for magnetic steel of a magnetic disc of a disc type magnetic force pump is provided, which comprises an outer ring fixing seat, an inner rod, a fastening block, a plurality of positioning blocks, a plurality of insertion plates and a fastening screw, the outer ring fixing seat is formed with a limiting groove matched with the integral driving disc or the integral impeller. The inner rod is arranged in the limiting groove; one end of the inner rod is formed with a first limiting part matched with the silicon carbide bearing on the integral impeller, and the other end of the inner rod is formed with a second limiting part matched with the driving disc mounting hole of the integral driving disc; The middle part of the inner rod is formed with an inner threaded through hole, and the inner threaded through hole penetrates the first limiting part and the second limiting part; The middle part of the fastening block is formed with a let-go through hole, and the rod part of the fastening screw is movably threaded with the first limiting part or the second limiting part through the let-go through hole; The plurality of positioning blocks are arranged at intervals between the inner rod and the outer ring fixing seat, and one insertion plate is arranged between the adjacent two positioning blocks.

[0006] Further, the cap part of the fastening screw cannot pass through the let-go through hole.

[0007] Furthermore, the inner wall of the limiting groove is provided with a plurality of first slots spaced apart; the outer wall of the inner rod is provided with a plurality of second slots spaced apart, and the upper and lower sides of the insert plate are respectively inserted into the corresponding first slots and second slots.

[0008] Furthermore, the number of the second slots is the same as the number of the first slots.

[0009] As another aspect of the present invention, an assembly method for the assembly tooling of the magnetic disk magnet of a disc magnetic pump is proposed. The specific method is as follows: During assembly, the inner rod and the outer ring fixing seat are assembled onto the integral drive disk or integral impeller, and the inner rod is initially pre-locked with fastening blocks and fastening screws. Place the positioning block at the N-pole magnet with the thickness of the magnetization at position ①, initially tighten the internal hex countersunk screws, insert the insert plates on the left and right sides of the positioning block, and then insert the remaining insert plates in sequence. Place the positioning block between the insert plates. After all the insert plates and positioning blocks are in place, tighten the fastening block and the inner rod. Magnet Installation: Remove the positioning block at position ①. Apply strong magnetic adhesive to the bottom surface of the thick-magnetized N-pole magnet. Insert the thick-magnetized N-pole magnet along the two insert plates, with the countersunk hole facing upwards. Tighten the socket head cap screws and use the positioning block to press the magnet firmly. Tighten the socket head cap screws again. Repeat the above steps for another thick-magnetized N-pole magnet at position ⑤. Remove the positioning block, apply strong magnetic adhesive to the bottom surface of the other thick-magnetized N-pole magnet, and insert the thick-magnetized N-pole magnet along the two insert plates, with the countersunk hole facing upwards. Tighten the socket head cap screws and use the positioning block to press the magnet firmly. Tighten the socket head cap screws again. Repeat this process for the thick-magnetized S-pole magnets at positions ③ and ⑦. Then, install the width-magnetized S-pole magnets at positions ② and ⑥. Finally, install the width-magnetized N-pole magnets at positions ④ and ⑧.

[0010] The assembly tooling and assembly method of the magnetic disk magnet of the disc magnetic pump of the present invention have the following advantages: simple structure, convenient operation, convenient magnet installation, and high efficiency. Attached Figure Description

[0011] The accompanying drawings, which form part of this application, are used to provide a further understanding of the invention. The illustrative embodiments of the invention and their descriptions are used to explain the invention and do not constitute an improper limitation of the invention.

[0012] Figure 1 This is a schematic diagram of the assembly fixture for the magnetic disk magnet of the disc magnetic pump of the present invention; Figure 2 This is a side view of the structure of the outer ring fixing seat of the present invention; Figure 3 This is a side view of the inner rod structure of the present invention; Figure 4 Structure side view of positioning block of the present application; Figure 5 Assembly schematic diagram of magnetic steel of integral impeller of the present application; Figure 6 Assembly side view of magnetic steel of integral impeller of the present application; Figure 7 Assembly schematic diagram of magnetic steel of integral driving disc of the present application. DETAILED DESCRIPTION

[0013] In order to make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be described clearly and completely below in combination with specific embodiments of the present application and corresponding drawings. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0014] An assembly tool for magnetic steel of magnetic disc of a disc type magnetic force pump according to one embodiment of the present application is shown in Figures 1-4 which comprises an outer ring fixing seat 31, an inner rod 32, a fastening block 33, a plurality of positioning blocks 34, a plurality of insertion plates 35 and a fastening screw 36. The outer ring fixing seat 31 is formed with a limiting groove 311 matched with an integral driving disc 211 or an integral impeller 110. The inner rod 32 is arranged in the limiting groove 311. One end of the inner rod 32 is formed with a first limiting part 321 matched with a silicon carbide bearing on the integral impeller 110, and the other end of the inner rod 32 is formed with a second limiting part 322 matched with a driving disc mounting hole of the integral driving disc 211. A threaded through hole 323 is formed in the middle part of the inner rod 32, and the threaded through hole 323 penetrates the first limiting part 321 and the second limiting part 322. A let-through through hole 331 is formed in the middle part of the fastening block 33. The rod part of the fastening screw 36 is threadedly connected with the first limiting part 321 or the second limiting part 322 through the let-through through hole 331, and the cap part of the fastening screw 36 cannot pass through the let-through through hole 331. A plurality of the positioning blocks 34 are arranged at intervals between the inner rod 32 and the outer ring fixing seat 31, and one insertion plate 35 is arranged between two adjacent positioning blocks 34. In the embodiment, the insertion plate 35 is a trapezoid with an upper side of 1.4 mm and a lower side of 0.58 mm. The number of the positioning blocks 34 is the same as that of the magnetic steel 114. The inner wall of the limiting groove 311 is provided with a plurality of first slots 3111 at intervals; the outer wall of the inner rod 32 is provided with a plurality of second slots 3211 at intervals; the upper and lower sides of the insert plate 35 are respectively inserted into the corresponding first slots 3111 and second slots 3211.

[0015] Furthermore, the number of the second slots 3211 is the same as the number of the first slots 3111.

[0016] like Figures 5-7 As shown, the assembly method of the assembly tooling for the magnetic disk magnet of a disc magnetic pump is as follows: During assembly, the inner rod 32 and the outer ring fixing seat 31 are assembled onto the integral drive disk 211 or the integral impeller 110, and the inner rod 32 is initially pre-locked with the fastening block 33 by the fastening screw 36. Place the positioning block 34 at the N pole magnet with thick magnetization at position ①, initially tighten the internal hex countersunk screws, insert the insert plates 35 on the left and right sides of the positioning block 34, and then insert the remaining insert plates 35 in sequence. Place the positioning block 34 between the insert plates 35. After all the insert plates 35 and positioning blocks 34 are in place, tighten the fastening block 33 and the inner rod 32. Magnet installation: Remove the positioning block 34 at position ①. Apply strong magnetic adhesive to the bottom surface of the thick magnetized N-pole magnet. Insert the thick magnetized N-pole magnet along the two insert plates 35. With the countersunk surface of the magnet facing upwards, tighten the hexagon countersunk screws and use the positioning block 34 to press the magnet firmly. Tighten the hexagon countersunk screws again. Repeat the above method at position ⑤ for another thick magnetized N-pole magnet. Remove the positioning block 34, apply strong magnetic adhesive to the bottom surface of the other thick magnetized N-pole magnet, insert the thick magnetized N-pole magnet along the two insert plates, with the countersunk surface of the magnet facing upwards, tighten the hexagon countersunk screws and use the positioning block 34 to press the magnet firmly. Tighten the hexagon countersunk screws again. Repeat this process for positions ③ and ⑦ for thick magnetized S-pole magnets. Then repeat the process for positions ② and ⑥ for width magnetized S-pole magnets. Finally, repeat the process for positions ④ and ⑧ for width magnetized N-pole magnets.

[0017] The assembly tooling and assembly method for the magnetic disk magnet of the disc magnetic pump described above have the following advantages: simple structure, convenient operation, convenient magnet installation, and high efficiency.

[0018] Furthermore, it should be noted that the use of terms such as "first" and "second" to define components is merely for the purpose of distinguishing the corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be construed as limiting the scope of protection of this application.

[0019] In the description of the present application, it should be noted that unless specifically stated and limited otherwise, the terms "mounting", "provided with", "connected" and the like, should be understood broadly, for example, "connected" can be fixedly connected, or detachably connected, or integrally connected; can be mechanically connected, or electrically connected; can be directly connected, or indirectly connected through an intermediate medium, or can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0020] The above is only the preferred embodiment of the present application, and any equivalent changes and modifications made within the scope of the patent application of the present application shall be within the scope of the present application.

Claims

1. An assembly tool for a magnetic disc magnetic steel of a magnetic disc pump, characterized by, It includes: outer ring fixed seat (31), inner rod (32), fastening block (33), several positioning blocks (34), several plug-in plates (35) and fastening screws (36), the outer ring fixed seat (31) is formed with the limiting groove (311) matched with the integral driving disc (211) or integral impeller (110); The inner rod (32) is arranged in the limiting groove (311); one end of the inner rod (32) is formed with the first limiting part (321) matched with the silicon carbide bearing on the integral impeller (110), and the other end of the inner rod (32) is formed with the second limiting part (322) matched with the driving disc mounting hole of the integral driving disc (211); The middle part of the inner rod (32) is formed with an internally threaded through hole (323), and the internally threaded through hole (323) penetrates the first limiting part (321) and the second limiting part (322); The middle part of the fastening block (33) is formed with a let-in through hole (331), and the rod part of the fastening screw (36) is movably threaded through the let-in through hole (331) and is screwed with the first limiting part (321) or the second limiting part (322); The several positioning blocks (34) are arranged at intervals between the inner rod (32) and the outer ring fixed seat (31), and one plug-in plate (35) is arranged between the two adjacent positioning blocks (34).

2. The assembling tool for the magnetic disc magnetic steel of the disc type magnetic force pump according to claim 1, characterized in that, The cap part of the fastening screw (36) cannot pass through the let-in through hole (331).

3. The assembling tool for the magnetic disc magnetic steel of the disc type magnetic force pump according to claim 2, characterized in that, The inner wall of the limiting groove (311) is spaced apart and provided with a plurality of first insertion grooves (3111); the outer wall of the inner rod (32) is spaced apart and provided with a plurality of second insertion grooves (3211), and the upper and lower sides of the plug-in plate (35) are respectively inserted with the corresponding first insertion grooves (3111) and second insertion grooves (3211).

4. The assembling tool for the magnetic disc magnetic steel of the disc type magnetic force pump according to claim 3, characterized in that, The number of the second insertion grooves (3211) is the same as that of the first insertion grooves (3111).

5. A method of assembling a magnetic disc magnetic steel assembly of a disc-type magnetic force pump according to claim 1, wherein The specific method is as follows: when assembling, the inner rod (32) and the outer ring fixed seat (31) are assembled on the integral driving disc (211) or the integral impeller (110), and the inner rod (32) and the outer ring fixed seat (31) are preliminarily locked by the fastening block (33) and the fastening screw (36); The positioning block is placed at the N-pole magnetic steel of the thickness magnetized at the position ①, the inner hexagonal countersunk head screw is preliminarily locked, the plug-in plate (35) is inserted on the left and right sides of the positioning block, and the remaining plug-in plates (35) are sequentially inserted, the positioning block is placed between the plug-in plates (35), and the fastening block (33) and the inner rod (32) are locked after all the plug-in plates (35) and the positioning blocks are in place; Magnetic steel installation: the positioning block at the position ① is taken out, the strong magnetic steel glue is coated on the bottom surface of the N-pole magnetic steel of the thickness magnetized, the N-pole magnetic steel of the thickness magnetized is placed along the two plug-in plates, the counterbore surface of the magnetic steel faces upward, the inner hexagonal countersunk head screw is locked, the magnetic steel is pressed by the positioning block, and the inner hexagonal countersunk head screw is locked again; according to the above method, the other N-pole magnetic steel of the thickness magnetized at the position ⑤ is taken out, the strong magnetic steel glue is coated on the bottom surface of the other N-pole magnetic steel of the thickness magnetized, the N-pole magnetic steel of the thickness magnetized is placed along the two plug-in plates, the counterbore surface of the magnetic steel faces upward, the inner hexagonal countersunk head screw is locked, the magnetic steel is pressed by the positioning block, and the inner hexagonal countersunk head screw is locked again; Subsequently, the S pole magnetic steel of the thickness magnetized at the positions ③ and ⑦ is sequentially performed; the S pole magnetic steel of the width magnetized at the positions ② and ⑥ is sequentially performed; and the N pole magnetic steel of the width magnetized at the positions ④ and ⑧ is sequentially performed.

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