Curing and press-fitting die for self-bonding iron core of axial flux motor

Abstract

The utility model discloses an axial flux motor self-bonding iron core solidification press-fitting die, which comprises a lower fixing mechanism, an upper pressing mechanism, a positioning mechanism and an adjusting mechanism, the positioning mechanism and the adjusting mechanism are both arranged on the lower fixing mechanism, the positioning mechanism carries out center positioning on an iron core main body on the lower fixing mechanism, and the adjusting mechanism carries out center positioning on the iron core main body on the upper pressing mechanism. The adjusting mechanism controls transverse fastening and loosening of the iron core body on the lower fixing mechanism, the upper pressing mechanism longitudinally presses the iron core body on the lower fixing mechanism, the iron core body is fastened in the transverse direction through the adjusting mechanism, the surface of the iron core body is pressed to be smoother through the upper pressing mechanism, the bonding coefficient of the outer diameter of the iron core is increased, and the iron core body is prevented from being damaged. The iron core surface flanging condition is reduced, and the iron core curing quality is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of core manufacturing, concretely relates to a axial flux motor self-bonding core solidification press -fitting mould. BACKGROUND

[0002] Axial magnetic field motor has the characteristics of small volume, light weight, short axial size and high power density, can be used in most thin type installation occasion, therefore is widely used. With the wide application of axial magnetic field motor in various fields, higher requirements are put forward to the manufacturing precision and assembly efficiency of the core. The core as the core component of axial magnetic field motor, its manufacturing quality and assembly precision directly affect the performance and reliability of the motor. The core needs to be press -fitted before being heated and solidified, but the press -fitting force and press -fitting position are difficult to control accurately, which can easily cause the deformation or cracking of the core material and affect the quality of the core. SUMMARY

[0003] The utility model discloses a axial flux motor self-bonding core solidification press -fitting mould can solve the technical problem in the background art.

[0004] The utility model discloses a axial flux motor self-bonding core solidification press -fitting mould, including lower fixed mechanism, upper pressure mechanism, positioning mechanism and adjusting mechanism, the positioning mechanism with the adjusting mechanism all set up on the lower fixed mechanism, the positioning mechanism carries out center positioning to the core main part on the lower fixed mechanism, the adjusting mechanism controls the transverse fastening and loosening of core main part on the lower fixed mechanism, the upper pressure mechanism carries out longitudinal pressure to the core main part on the lower fixed mechanism.

[0005] Further, the lower fixed mechanism includes a bottom plate and a lower fixed plate mounted on the bottom plate, the inner diameter of the lower fixed plate is greater than the outer diameter of the core main body.

[0006] Further, the positioning mechanism includes a positioning spindle fixed on the bottom plate, the outer diameter of the positioning spindle matches the inner diameter of the core main body.

[0007] Further, the adjusting mechanism includes an adjusting screw and a push piece block connected with the adjusting screw, the adjusting screw is annularly arranged on the outer side of the lower fixed plate, the push piece block is attached to the bottom plate and is located on the inner side of the lower fixed plate.

[0008] Further, the upper pressure mechanism includes an upper pressure plate and a cover plate arranged on the upper pressure plate, the upper pressure plate is sleeved on the positioning spindle.

[0009] Further, the push piece block corresponds to the groove of the core main body one by one, and the adjusting screw corresponds to the push piece block one by one.

[0010] Further, a plurality of screw springs are uniformly arranged on the cover plate, and each screw spring penetrates the cover plate and is connected with the positioning mandrel.

[0011] Further, the lower fixing plate and the positioning mandrel are fixedly installed on the bottom plate through positioning pins.

[0012] Further, a clearance hole is arranged in the center of the bottom plate.

[0013] Further, a plurality of pull rings are arranged on the cover plate.

[0014] In summary, compared with the prior art, the present application has the following beneficial effects:

[0015] 1) The iron core body is fastened in the transverse direction through the adjusting mechanism, the surface of the iron core body is pressed more flat through the upper pressing mechanism, the bonding coefficient of the outer diameter of the iron core body is improved, the iron core surface turning edge condition is reduced, and the iron core solidification quality is greatly improved.

[0016] 2) The outer diameter of the positioning mandrel is tightly attached to the inner diameter of the iron core body, the inner diameter roundness of the iron core body can be well adjusted, the screw spring is fastened on the positioning mandrel, the surface of the iron core body is more flat under the condition of a certain pressure, and the iron core body will not turn edge, thereby the iron core body is positioned in the transverse and longitudinal directions, the bonding degree of the outer diameter of the iron core body is better, and the surface is more flat.

[0017] 3) The clearance hole arranged in the center of the bottom plate can facilitate the release of generated heat from the hole, reduce the damage probability of the mold, and be more practical. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present application;

[0019] Figure 2 It is a top view of the overall structure of the present application;

[0020] Figure 3 It is Figure 2 A-A sectional view of the present application;

[0021] Figure 4 It is a schematic diagram of the iron core body structure of the present application.

[0022] In the figure: 1, lower fixing mechanism, 2, upper pressing mechanism, 3, positioning mechanism, 4, adjusting mechanism, 5, iron core body, 6, bottom plate, 7, lower fixing plate, 8, positioning mandrel, 9, adjusting screw, 10, pushing piece block, 11, upper pressing plate, 12, cover plate, 13, screw spring, 14, positioning pin, 15, clearance hole, 16, pull ring. DETAILED DESCRIPTION

[0023] To further understand this utility model, the embodiments and comparative examples will be described in more detail below, but the implementation of this utility model is not limited thereto.

[0024] To make the objectives and technical solutions of this utility model clearer, the following detailed description, in conjunction with examples, further illustrates this utility model. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the scope of this utility model. The application process of this utility model is described in detail below.

[0025] like Figures 1 to 4 As shown, an axial flux motor self-bonding core curing and pressing mold includes a lower fixing mechanism 1, an upper pressing mechanism 2, a positioning mechanism 3, and an adjusting mechanism 4. The positioning mechanism 3 and the adjusting mechanism 4 are both set on the lower fixing mechanism 1. The positioning mechanism 3 centers the core body 5 on the lower fixing mechanism 1. The adjusting mechanism 4 controls the lateral tightening and loosening of the core body 5 on the lower fixing mechanism 1. The upper pressing mechanism 2 longitudinally presses the core body 5 on the lower fixing mechanism 1.

[0026] In a specific embodiment, the lower fixing mechanism 1 includes a base plate 6 and a lower fixing plate 7 mounted on the base plate 6, wherein the inner diameter of the lower fixing plate 7 is larger than the outer diameter of the core body 5.

[0027] In a specific embodiment, the positioning mechanism 3 includes a positioning mandrel 8 fixed on the base plate 6, the outer diameter of which matches the inner diameter of the core body 5. The outer diameter of the positioning mandrel 8 is firmly attached to the inner diameter of the core body 5, thus adjusting the roundness of the inner diameter of the core body 5.

[0028] In a specific embodiment, the adjustment mechanism 4 includes an adjusting screw 9 and a pusher block 10 connected to the adjusting screw 9. The adjusting screw 9 is arranged in a ring on the outer side of the lower fixing plate 7, and the pusher block 10 is attached to the base plate 6 and located on the inner side of the lower fixing plate 7. The inner diameter of the lower fixing plate 7 is larger than the outer diameter of the core body 5 so that the pusher block 10 can move freely within the lower fixing plate 7. The outer side of the lower fixing plate 7 has a ring of screw holes. By moving the adjusting screw 9, the pusher block 10 is made to fit against the core body 5.

[0029] In a specific embodiment, the pressing mechanism 2 includes an upper pressing plate 11 and a cover plate 12 disposed on the upper pressing plate 11. The upper pressing plate 11 is sleeved on the positioning mandrel 8. The upper pressing plate 11 mainly presses the plane of the core body 5 tightly to avoid problems such as lamination of the core body 5.

[0030] In a specific embodiment, the pusher block 10 corresponds one-to-one with the groove of the core body 5, and the adjusting screw 9 corresponds one-to-one with the pusher block 10.

[0031] In specific embodiments, the cover plate 12 is uniformly provided with a plurality of screw springs 13, each of which penetrates the cover plate 12 and is connected with the positioning mandrel 8. The screw spring 13 is fastened on the positioning mandrel 8, and under the condition of a certain pressure, the surface of the iron core body 5 is more flat and will not be turned up.

[0032] In specific embodiments, the lower fixing plate 7 and the positioning mandrel 8 are fixedly installed on the bottom plate 6 through positioning pins 14. The positioning pins 14 can accurately transmit the reference of the center of the bottom plate 6 to the lower fixing plate 7 and the positioning mandrel 8.

[0033] In specific embodiments, a let-out hole 15 is arranged in the center of the bottom plate 6. The let-out hole 15 can facilitate the release of the generated heat from the hole.

[0034] In specific embodiments, a plurality of pull rings 16 are arranged on the cover plate 12. The pull ring 16 can facilitate the placement and removal of the cover plate 12.

[0035] The working principle and installation method of the utility model are as follows: first, the bottom plate 6 is cleaned, the lower fixing plate 7 and the positioning mandrel 8 are installed on the bottom plate 6, then the pre-prepared iron core body 5 is sleeved on the outside of the positioning mandrel 8 and can rotate around the positioning mandrel 8, the gap is matched, then the push piece block 10 is installed on the side, one push piece block 10 is prepared for each groove on the iron core body 5, the adjusting screw 9 arranged on the lower fixing plate 7 is rotated to push the push piece block 10 forward, so that the inner side of the push piece block 10 completely contacts the outer diameter of the iron core body 5, the screw is not tightened too tightly, so as to avoid the surface of the iron core body 5 being damaged or deformed, then the upper pressing plate 11 is installed, the cover plate 12 is covered, the screw spring 13 is installed, the spring elasticity is calculated, and the nut on the flat surface of the screw spring 13 is tightened, the nut cannot be tightened too tightly, so as to avoid the deformation of the iron core body, finally, the iron core body is sent into the curing oven and starts to be heated and cured. The push piece block 10 and the iron core body 5 are completely attached, the bonding coefficient of the outer diameter can be higher, the screw spring 13 applies a certain pressure on the upper pressing plate 11, the surface of the iron core body 5 is more flat and will not be turned up, so that the problems such as deformation or cracking of the iron core are not easy to occur, and the quality of the iron core is ensured.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents, and all are included in the protection scope of the utility model.

Claims

1. An axial flux motor self-bonding core curing press-fit mould, characterized in that: The device comprises a lower fixing mechanism, an upper pressing mechanism, a positioning mechanism and an adjusting mechanism, the positioning mechanism and the adjusting mechanism are arranged on the lower fixing mechanism, the positioning mechanism is used for center positioning of the iron core body on the lower fixing mechanism, the adjusting mechanism is used for controlling the iron core body to be fastened and loosened in the transverse direction on the lower fixing mechanism, and the upper pressing mechanism is used for longitudinally pressing the iron core body on the lower fixing mechanism.

2. The axial flux motor self-bonding core curing and press fitting mold according to claim 1, characterized in that: The lower fixing mechanism comprises a bottom plate and a lower fixing plate arranged on the bottom plate, and the inner diameter of the lower fixing plate is greater than the outer diameter of the iron core body.

3. An axial flux motor self-bonding core curing press-fit mould according to claim 2, characterised in that: The positioning mechanism comprises a positioning mandrel fixed on the bottom plate, and the outer diameter of the positioning mandrel is matched with the inner diameter of the iron core body.

4. The axial flux motor self-bonding core curing and press fitting mold according to claim 3, characterized in that: The adjusting mechanism comprises an adjusting screw and a pushing piece block connected with the adjusting screw, the adjusting screw is arranged in a ring shape on the outer side of the lower fixing plate, and the pushing piece block is attached to the bottom plate and located on the inner side of the lower fixing plate.

5. An axial flux motor self-bonding core curing press-fit mould according to claim 4, characterised in that: The upper pressing mechanism comprises an upper pressing plate and a cover plate arranged on the upper pressing plate, and the upper pressing plate is sleeved on the positioning mandrel.

6. An axial flux motor self-bonding core curing press-fit mould according to claim 5, characterised in that: The pushing piece block is one-to-one corresponding to the groove of the iron core body, and the adjusting screw is one-to-one corresponding to the pushing piece block.

7. An axial flux motor self-bonding core curing press-fit mould according to claim 6, characterised in that: A plurality of screw springs are uniformly arranged on the cover plate, each screw spring penetrates the cover plate and is connected with the positioning mandrel.

8. An axial flux motor self-bonding core curing press-fit mould according to claim 7, characterised in that: The lower fixing plate and the positioning mandrel are fixedly arranged on the bottom plate through a positioning pin.

9. An axial flux motor self-bonding core curing press-fit mould according to claim 8, characterised in that: A clearance hole is arranged in the center of the bottom plate.

10. A self-bonding core curing press-fit mold for an axial flux motor according to claim 9, wherein: A plurality of pull rings are arranged on the cover plate.

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