An array interleaved magnetic arrangement device and method

Abstract

The present invention discloses an array interleaved magnetic arrangement device and method, including a first layer centering fixture, a second layer centering fixture, and a pushing fixture assembly. The first layer centering fixture and the second layer centering fixture assemble permanent magnets in layers between an inner magnetic yoke and an outer magnetic yoke, and the pushing fixture assembly adjusts the layered permanent magnets to a flush state. Through the technical solution of the designed layered installation of permanent magnets, the present invention facilitates the installation of permanent magnets and improves the installation efficiency of permanent magnets. By isolating the magnetic force of the first layer of permanent magnets with the second layer centering fixture, the present invention not only facilitates the installation of the second layer of permanent magnets but also improves the safety of operators during installation. By using the driving force of the pushing fixture assembly to operate the first layer of permanent magnets and the second layer of permanent magnets to a flush state, the operation is simple and the safety performance is high.

Description

Technical Field

[0001] The present invention belongs to the field of permanent magnet accessories and relates to a magnetic arrangement device and method with array interleaving. Background Art

[0002] During the current assembly process of permanent magnets, manual assembly is usually adopted. When the number of permanent magnets is large, the magnetic force will increase with the increase in the number of permanent magnets. Once there is an uneven installation situation, the balance of the magnetic force will be broken. In this case, the permanent magnets are prone to attracting and colliding with each other, repelling, or posing a collision risk to the operator. In addition, there is also the problem of eccentricity between the assembly axis of the permanent magnet and the inner and outer magnetic yoke axes. The present invention effectively solves this problem. Summary of the Invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a magnetic arrangement device and method with array interleaving.

[0004] To achieve the above object, the present invention adopts the following technical solutions: A magnetic arrangement device with array interleaving, characterized in that: it includes a first-layer centering fixture, a second-layer centering fixture, and a pushing fixture assembly. The first-layer centering fixture and the second-layer centering fixture assemble the permanent magnets in layers between the inner magnetic yoke and the outer magnetic yoke, and the pushing fixture assembly adjusts the layered permanent magnets to a flush state.

[0005] Further; the permanent magnets include first-layer permanent magnets and second-layer permanent magnets, the first-layer permanent magnets and the second-layer permanent magnets are the same, the first-layer permanent magnets are installed on the first-layer centering fixture, and the second-layer permanent magnets are installed on the first-layer centering fixture through the second-layer centering fixture.

[0006] Further; a round table is fixedly provided on one side end face of the first-layer centering fixture, and a plurality of clamping platforms are fixedly provided on the other side end face of the first-layer centering fixture and are distributed in an annular array. An installation cavity for installing the first-layer permanent magnets is formed between two adjacent groups of clamping platforms. Two limiting plates are fixedly provided on the clamping platforms, and an installation cavity for installing the second-layer permanent magnets, i.e., the second installation cavity one, is formed between the two limiting plates. The first-layer centering fixture is provided with a centering hole that penetrates up and down. The outer side surface of the first-layer permanent magnet installed in the first installation cavity is coplanar with the outer side surface of the second-layer permanent magnet installed in the second installation cavity one; the outer side surfaces of the plurality of clamping platforms are coplanar with the outer side surface of the first-layer centering fixture.

[0007] Further; an isolation block is fixedly provided on the second-layer centering fixture. The number of isolation blocks matches the number of clamping platforms and is distributed in an annular array on the side surface of the second-layer centering fixture. An installation cavity for installing the second-layer permanent magnets, i.e., the second installation cavity two, is formed between two adjacent groups of isolation blocks. The isolation block is composed of a first isolation block and a second isolation block, and the position of the isolation block corresponds to the position of the clamping platform one by one.

[0008] Furthermore, the pushing fixture assembly includes a positioning rod and a pushing rod. The positioning rod includes a centering shaft, a positioning table, and a pushing cover. The positioning rod is matched with the centering hole, and the positioning table is matched with the inner diameter of the inner yoke for positioning and installing the inner yoke. A pushing hole is fixedly provided on the pushing cover. The pushing rod includes a push rod and a pushing table, and the diameter of the push rod is matched with the inner diameter of the pushing hole.

[0009] Furthermore, the outer yoke is fixedly provided with a first installation cavity and a second installation cavity. The diameter of the first installation cavity is larger than that of the second installation cavity, and a step is formed at the intersection position of the two. A convex platform is fixedly provided on one end face of the inner yoke, and a receiving cavity for the permanent magnet is formed between the convex platform and the side face of the inner yoke. When the first-layer permanent magnet and the second-layer permanent magnet are in a flush state, the convex platform abuts against one end face of the first-layer permanent magnet and the second-layer permanent magnet, and the other end face of the first-layer permanent magnet and the second-layer permanent magnet abuts against the end face of the first installation cavity.

[0010] Furthermore, the width of the first isolation block is larger than that of the second isolation block. The area range formed by the outer side faces of several second isolation blocks is smaller than the area range formed by the inner side faces of several clamping platforms. The area range formed by the outer side faces of several first isolation blocks is between the area ranges formed by the inner and outer side faces of several clamping platforms.

[0011] Furthermore, the diameter of the first installation cavity is larger than the outer diameter formed by the outer side face of the first-layer permanent magnet installed in the first-layer installation cavity and the outer diameter formed by the outer side face of the second-layer permanent magnet installed in the first second-layer installation cavity. The diameter of the second installation cavity is smaller than the outer diameter formed by the outer side face of the first-layer permanent magnet installed in the first-layer installation cavity and the outer diameter formed by the outer side face of the second-layer permanent magnet installed in the first second-layer installation cavity.

[0012] An array interleaved magnetic arrangement method, characterized in that: this method assembles the first-layer permanent magnet through the first-layer centering fixture in the device, assembles the second-layer permanent magnet with the cooperation of the second-layer centering fixture, the positioning rod controls the inner yoke to move into the area formed by the inner side faces of the first-layer permanent magnet and the second-layer permanent magnet, and the pushing rod pushes the inner yoke and the first-layer centering fixture to move, so that the first-layer permanent magnet and the second-layer permanent magnet are separated from the first-layer centering fixture and are in a flush state.

[0013] Furthermore, it includes the following steps:

[0014] (1) Insert the first-layer permanent magnet into the first-layer installation cavity and assemble it with the first-layer centering fixture;

[0015] (2) The second-layer centering fixture assembles to isolate the magnetic force of the first-layer permanent magnet. The second-layer permanent magnet is inserted into the second second-layer installation cavity and the first-layer installation cavity and assembled with the first-layer centering fixture;

[0016] (3) The positioning rod controls the assembly of the inner yoke, and the centering shaft is inserted into the centering hole for centering operation;

[0017] (4) The push rod pushes the positioning rod, the inner yoke, and a layer of centering fixture to move, making the first-layer permanent magnet, the second-layer permanent magnet flush.

[0018] In summary, the advantages of the present invention are as follows:

[0019] Through the technical solution of the layered installation of the permanent magnets in the present invention, it is convenient for the installation of the permanent magnets and improves the installation efficiency of the permanent magnets. By isolating the magnetic force of the first-layer permanent magnet with the second-layer centering fixture in the present invention, it not only facilitates the installation of the second-layer permanent magnet but also improves the safety of the operator during installation. By using the driving force of the pushing fixture assembly to operate the first-layer permanent magnet and the second-layer permanent magnet to a flush state in the present invention, the operation is simple and the safety performance is high. Through the technical solution of designing different-diameter first installation cavities and second installation cavities in the outer yoke and designing a boss in the inner yoke in the present invention, the first-layer permanent magnet and the second-layer permanent magnet are restricted to ensure that the first-layer permanent magnet and the second-layer permanent magnet are in a flush state. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic exploded view of each component of the present invention.

[0021] Figure 2 It is a schematic diagram of the first-layer centering fixture of the present invention.

[0022] Figure 3 It is a schematic diagram of the second-layer centering fixture of the present invention.

[0023] Figure 4 It is a schematic diagram of the positioning rod of the present invention.

[0024] Figure 5 It is a schematic diagram of the push rod of the present invention.

[0025] Figure 6 It is a half-sectional schematic diagram of the outer yoke of the present invention.

[0026] Figure 7 It is a schematic diagram of the first state of the assembly method of the present invention.

[0027] Figure 8 It is a schematic diagram of the second state of the assembly method of the present invention.

[0028] Figure 9 It is a schematic diagram of the third state of the assembly method of the present invention.

[0029] Figure 10 It is a schematic diagram of the fourth state of the assembly method of the present invention.

[0030] Figure 11 It is a schematic diagram of the fifth state of the assembly method of the present invention.

[0031] Figure 12 It is a schematic diagram of the sixth state of the assembly method of the present invention. Detailed implementation mode

[0032] The following uses specific specific examples to illustrate the implementation modes of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes. Various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that, without conflict, the following embodiments and the features in the embodiments can be combined with each other.

[0033] It should be noted that the diagrams provided in the following embodiments only illustrate the basic concept of the present invention in a schematic manner. Therefore, only the components related to the present invention are shown in the diagrams, rather than being drawn according to the number, shape, and size of the components in actual implementation. The type, quantity, and ratio of each component in actual implementation can be arbitrarily changed, and the component layout type may also be more complex.

[0034] All directional indications (such as up, down, left, right, front, back, horizontal, vertical...) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture. If this specific posture changes, the directional indications will also change accordingly.

[0035] Embodiment 1:

[0036] As Figures 1-6 shown, an array-interleaved magnetic arrangement device includes a first-layer centering fixture 1, a second-layer centering fixture 2, and a pushing fixture assembly. The first-layer centering fixture 1 and the second-layer centering fixture 2 assemble the permanent magnets in layers between the inner magnetic yoke 4 and the outer magnetic yoke 3, and the pushing fixture assembly adjusts the layered permanent magnets to a flush state.

[0037] In this embodiment, the permanent magnets are assembled in layers through the first-layer centering fixture 1 and the second-layer centering fixture 2, that is, the permanent magnets are evenly divided into two groups to ensure the uniformity of magnetism. The permanent magnets include a first-layer permanent magnet 71 and a second-layer permanent magnet 72. The first-layer permanent magnet 71 and the second-layer permanent magnet 72 are completely the same in magnetism and structure. The distinction is only for convenience of description. The first-layer permanent magnet 71 is assembled through the first-layer centering fixture 1, and the second-layer permanent magnet 72 is assembled through the second-layer centering fixture 2.

[0038] As Figure 2As shown, a truncated platform 11 is fixedly provided on one end face of a core fixing fixture 1, and the outer diameter of the truncated platform 11 is larger than the inner diameter of the outer magnetic yoke 3. A core fixing fixture 1 is inserted into the outer magnetic yoke 3, and the truncated platform 11 abuts against the end face of the outer magnetic yoke 3, so as to control the placement position of a layer of permanent magnet 71 inside the outer magnetic yoke 3. A plurality of clamping platforms 12 distributed in a circular array are fixedly provided on the other end face of the core fixing fixture 1. Preferably, 7 groups of clamping platforms 12 are provided, and two adjacent groups of clamping platforms 12 form a layer of mounting cavity 13 for mounting a layer of permanent magnet 71. The depth of the layer of mounting cavity 13 is equal to the depth of the layer of permanent magnet 71. The length of 71 matches that of the clamping platform 12, two groups of limiting plates 121 are fixedly arranged on the clamping platform 12, and a second-layer installation cavity 122 for installing a second-layer permanent magnet 72 is formed between the two groups of limiting plates 121, and the width of the limiting plates 121 matches that of a layer of permanent magnet 71, and the outer side surface of a layer of permanent magnet 71 installed in the first installation cavity 13 is coplanar with the outer side surface of a second layer of permanent magnet 72 installed in the second installation cavity 122; the outer side surfaces of a plurality of clamping platforms 12 are coplanar with the outer side surface of a layer of centering fixture 1; a layer of centering fixture 1 is fixedly provided with a centering hole 14 which passes through from top to bottom.

[0039] An isolation block 21 is fixedly arranged on the second-layer centering fixture 2. The second-layer centering fixture 2 isolates the magnetic force of a layer of permanent magnet 71 through the isolation block 21. The number of isolation blocks 21 matches the number of clamping platforms 12. There are 7 groups of isolation blocks 21, which are distributed in a circular array on the side of the second-layer centering fixture 2. Two adjacent groups of isolation blocks 21 form a second-layer installation cavity 22 for installing the second-layer permanent magnet 72. The isolation block 21 is composed of a first isolation block 211 and a second isolation block 212. The width of the first isolation block 211 is greater than the width of the second isolation block 212. The sides of the two away from the center of the second-layer centering fixture 2 form a stepped structure. The outer side surfaces of several second isolation blocks 212 form a smaller area than the inner side surfaces of several clamping platforms 12. The outer side surfaces of several first isolation blocks 211 form an area. The domain range is between the area range formed by the inner and outer side surfaces of several clamps 12. Preferably, the outer side surface of the first isolation block 211 is coplanar with the outer side surface of the clamp 12; the position of the isolation block 21 corresponds to the position of the clamp 12 one by one, and the length of the first isolation block 211 matches the length of the clamp 12. In this embodiment, the first isolation block 211 covers the upper end surface of a layer of permanent magnet 71 installed in a layer of mounting cavity 13, and the second isolation block 212 covers the inner side surface of a layer of permanent magnet 71 installed in a layer of mounting cavity 13. Both sides of a layer of permanent magnet 71 are covered by adjacent clamps 12 and side panels 121, thereby ensuring that when the second layer of permanent magnet 72 is installed in the second layer of mounting cavity 122, the magnetic interference of the first layer of permanent magnet 71 is reduced or reduced, which facilitates installation and improves installation efficiency.

[0040] The pushing fixture assembly includes a positioning rod 5 and a pushing rod 6. The positioning rod 5 includes a centering shaft 53, a positioning table 52, and a pushing cover 51. The positioning rod 5 is matched with the centering hole 14, and the positioning table 52 is matched with the inner diameter of the inner yoke 4 for positioning and installing the inner yoke 4. A pushing hole 511 is fixedly provided on the pushing cover 51. The pushing rod 6 includes a push rod 61 and a pushing table 62. The diameter of the push rod 61 is matched with the inner diameter of the pushing hole 511. The push rod 61 is inserted into the pushing hole 511 to push the positioning rod 5, and then push the inner yoke 4, so that the first-layer permanent magnet 71 and the second-layer permanent magnet 72 fall between the inner yoke 4 and the outer yoke 3 and keep the first-layer permanent magnet 71 and the second-layer permanent magnet 72 flush.

[0041] In this embodiment, as Figure 6 shown, a notch 33 is fixedly provided on one end face of the outer yoke 3, and a first installation cavity 31 and a second installation cavity 32 are fixedly provided inside. The diameter of the first installation cavity 31 is larger than that of the second installation cavity 32, so as to form a step at the intersection position of the two. The notch 33 is located on one side of the first installation cavity 31. The diameter of the first installation cavity 31 is larger than the outer diameter formed by the outer side face of the first-layer permanent magnet 71 installed in the first-layer installation cavity 13 and the outer diameter formed by the outer side face of the second-layer permanent magnet 72 installed in the second-layer installation cavity 122. The diameter of the second installation cavity 32 is smaller than the outer diameter formed by the outer side face of the first-layer permanent magnet 71 installed in the first-layer installation cavity 13 and the outer diameter formed by the outer side face of the second-layer permanent magnet 72 installed in the second-layer installation cavity 122; a convex platform 41 is fixedly provided on one end face of the inner yoke 4. The convex platform 41 and the side face of the inner yoke 4 form a receiving cavity for the permanent magnet (not marked in the figure). When the first-layer permanent magnet 71 and the second-layer permanent magnet 72 are in a flush state, the convex platform 41 abuts against one end face of the first-layer permanent magnet 71 and the second-layer permanent magnet 72, and the other end face of the first-layer permanent magnet 71 and the second-layer permanent magnet 72 abuts against the end face of the first installation cavity 31, so as to limit and install the permanent magnet.

[0042] As Figures 7-12 shown, the present invention also provides an array interleaved magnetic arrangement method. In this method, the first-layer centering fixture 1 in the above device is installed into the outer yoke 3. The first-layer centering fixture 1 is assembled with the first-layer permanent magnet 71, and the second-layer centering fixture 2 is cooperated to assemble the second-layer permanent magnet 72. The positioning rod 5 controls the inner yoke 4 to move into the area formed by the inner side faces of the first-layer permanent magnet 71 and the second-layer permanent magnet 72. The pushing rod 6 pushes the inner yoke 4 and the first-layer centering fixture 1 to move, so that the first-layer permanent magnet 71 and the second-layer permanent magnet 72 are separated from the first-layer centering fixture 1 and are in a flush state.

[0043] According to the present invention, the specific operation method is as follows:

[0044] (1) Assemble the first-layer permanent magnet 71 with the first-layer centering fixture 1;

[0045] As Figure 7As shown, a first-layer centering fixture 1 is inserted into the outer yoke 3, and the frustum 11 abuts against one end of the outer yoke 3 without a notch 33. At this time, the installation of the two is completed, and the first-layer permanent magnets 71 are sequentially inserted into the first-layer installation cavities 13;

[0046] (2) Assemble the second-layer permanent magnets 72 with the first-layer centering fixture 1 and the second-layer centering fixture 2;

[0047] As Figure 8 shown, the second-layer centering fixture 2 is inserted into the first-layer centering fixture 1, the isolation blocks 21 are aligned with the clamping platforms 12 one by one, the first isolation block 211 abuts against the side plate and covers the first-layer permanent magnets 71, and the second-layer installation cavities two 22 correspond to the second-layer installation cavities one 122 one by one. At this time, the second-layer permanent magnets 72 are sequentially inserted into the second-layer installation cavities two 22 and the second-layer installation cavities one 122. Through steps 1 and 2, the first-layer permanent magnets 71 and the second-layer permanent magnets 72 are assembled in layers, which facilitates the assembly of the permanent magnets, and the magnetic force of the first-layer permanent magnets 71 is isolated by the second-layer centering fixture 2, improving the safety of the permanent magnet assembly;

[0048] (3) The positioning rod 5 controls the assembly and centering operation of the inner yoke 4;

[0049] As Figures 9-10 shown, remove the second-layer centering fixture 2. The positioning rod 5 and the inner yoke 4 are positioned and installed through the positioning platform 52 to ensure that the positioning rod 5 and the inner yoke 4 are coaxial. The centering shaft 53 is inserted into the centering hole 14 to ensure that the inner yoke 4 and the outer yoke 3 are coaxial, realizing centering assembly. Press down the positioning rod 5 to make the end face of the second-layer permanent magnet 72 abut against the boss 41 of the inner yoke 4;

[0050] (4) The push rod 6 pushes the positioning rod 5, the inner yoke 4 and the first-layer centering fixture 1 to move so that the first-layer permanent magnets 71 and the second-layer permanent magnets 72 are flush;

[0051] As Figures 11-12 shown, the push rod 6 is inserted into the push hole 511, and the positioning rod 5, the inner yoke 4 and the first-layer centering fixture 1 are pushed upward so that the first-layer permanent magnets 71 and the second-layer permanent magnets 72 abut against the end face of the first installation cavity 31. The first-layer centering fixture 1 disengages, and the first-layer permanent magnets 71 abut against the boss 41. At this time, the upper and lower end faces of the first-layer permanent magnets 71 and the second-layer permanent magnets 72 both abut against the end face of the first installation cavity 31 and the boss 41, keeping the first-layer permanent magnets 71 and the second-layer permanent magnets 72 flush.

[0052] Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all 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.

Claims

1. An array-interleaved magnetic arrangement device, characterized in that: It includes a first-layer core fixing fixture, a second-layer core fixing fixture and a pushing fixture assembly. The permanent magnet includes a first-layer permanent magnet and a second-layer permanent magnet. The first-layer permanent magnet is installed on the first-layer core fixing fixture. The second-layer permanent magnet is installed on the first-layer core fixing fixture through the second-layer core fixing fixture. The first-layer core fixing fixture and the second-layer core fixing fixture are used to assemble the permanent magnets in layers between the inner magnetic yoke and the outer magnetic yoke. The pushing fixture assembly adjusts the layered permanent magnets to a flush state.

2. The magnetic arrangement device with array interleaving according to claim 1, characterized in that: The first layer of permanent magnets is the same as the second layer of permanent magnets.

3. The magnetic arrangement device with array interleaving according to claim 2, characterized in that: A round table is fixedly arranged on one end surface of the first core fixing fixture, and a plurality of clamping tables distributed in a circular array are fixedly arranged on the other end surface of the first core fixing fixture. Two adjacent groups of clamping tables form a first installation cavity for installing a layer of permanent magnets. Two groups of limiting plates are fixedly arranged on the clamping tables. A second installation cavity 1 for installing a second layer of permanent magnets is formed between the two groups of limiting plates. A core fixing fixture is fixedly provided with a core fixing hole running through from top to bottom. The outer side surface of the first layer of permanent magnets installed in the first installation cavity is coplanar with the outer side surface of the second layer of permanent magnets installed in the second installation cavity 1; the outer side surfaces of the plurality of clamping tables are coplanar with the outer side surface of the first core fixing fixture.

4. The magnetic arrangement device with array interleaving according to claim 3, characterized in that: The two-layer centering fixture is fixed with isolation blocks, the number of which matches the number of clamps, and is distributed in a circular array on the side of the two-layer centering fixture. Two adjacent groups of isolation blocks form a second two-layer installation cavity for installing the two-layer permanent magnets. The isolation blocks are composed of a first isolation block and a second isolation block, and the positions of the isolation blocks correspond one-to-one to the positions of the clamps.

5. The array interleaved magnetic arrangement device according to claim 3, wherein: The pushing fixture assembly includes a positioning rod and a pushing rod. The positioning rod includes a fixed core shaft, a positioning platform and a push cover. The positioning rod matches the fixed core hole. The positioning platform matches the inner diameter of the inner magnetic yoke and is used for positioning and installing the inner magnetic yoke. A push hole is fixed on the push cover. The pushing rod includes a push rod and a push platform. The diameter of the push rod matches the inner diameter of the push hole.

6. The array interleaved magnetic arrangement device according to claim 3, wherein: The outer magnetic yoke is fixedly provided with a first mounting cavity and a second mounting cavity, the diameter of the first mounting cavity is larger than the diameter of the second mounting cavity, and a step is formed at the intersection of the two. A boss is fixedly provided on one end face of the inner magnetic yoke, and the boss and the side face of the inner magnetic yoke form a accommodating cavity for the permanent magnet. When the first layer of permanent magnets and the second layer of permanent magnets are flush with each other, the boss abuts against one end face of the first layer of permanent magnets and the second layer of permanent magnets, and the other end faces of the first layer of permanent magnets and the second layer of permanent magnets abut against the end face of the first mounting cavity.

7. The magnetic arrangement device with array interleaving according to claim 4, characterized in that: The width of the first isolation block is greater than that of the second isolation block, the area formed by the outer side surfaces of the second isolation blocks is smaller than the area formed by the inner side surfaces of the clamps, and the area formed by the outer side surfaces of the first isolation blocks is between the area formed by the inner and outer side surfaces of the clamps.

8. The magnetic arrangement device with array interleaving according to claim 6, characterized in that: The diameter of the first mounting cavity is larger than the outer diameter formed by the outer side surface of a layer of permanent magnet installed in the first mounting cavity and the outer diameter formed by the outer side surface of two layers of permanent magnet installed in the second mounting cavity one, and the diameter of the second mounting cavity is smaller than the outer diameter formed by the outer side surface of a layer of permanent magnet installed in the first mounting cavity and the outer diameter formed by the outer side surface of two layers of permanent magnet installed in the second mounting cavity one.

9. A method for magnetic arrangement with array interleaving, characterized in that: This method assembles one layer of permanent magnets through one layer of centering fixture in the device described in any one of claims 1 to 8, assembles two layers of permanent magnets with the cooperation of two layers of centering fixtures, and pushes the positioning rod of the fixture assembly to control the inner yoke to move into the area formed by the inner sides of the one layer of permanent magnets and the two layers of permanent magnets, and pushes the push rod of the fixture assembly to push the inner yoke and the one layer of centering fixture to move, so that the one layer of permanent magnets and the two layers of permanent magnets are separated from the one layer of centering fixture and are in a flush state.

10. An array interleaved magnetic arrangement method according to claim 9, comprising the following steps: (1) Insert one layer of permanent magnets into the one layer of installation cavity and assemble them with the one layer of centering fixture; (2) Assemble the two layers of centering fixtures to isolate the magnetic force of the one layer of permanent magnets, and insert the two layers of permanent magnets into the two layer of installation cavity two and the one layer of installation cavity one and assemble them with the one layer of centering fixture; (3) Control the assembly of the inner yoke with the positioning rod, and insert the centering shaft into the centering hole for centering operation; (4) Push the positioning rod, the inner yoke and the one layer of centering fixture to move with the push rod so that the one layer of permanent magnets and the two layers of permanent magnets are flush.

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