CN219499169U - Detachable iron core lamination die - Google Patents

Abstract

A detachable iron core lamination die relates to a motor iron core lamination die tooling, wherein an outer cylindrical column is arranged after a lamination die core is processed to form a lamination die structure. The core laminating machine comprises a laminating mold core, an outer cylindrical column, an upper pre-pressing plate, a pad gear ring and a lower pre-pressing plate, and can realize the laminating requirements of cores with different inner diameters and sizes under the same set of mold by replacing the corresponding outer cylindrical column. The punching sheet is supported by the cushion gear ring, and the iron core gasket is equal to the cushion gear ring in height between the bottom of the stator iron core and the lower pre-pressing plate, so that the lamination mold can be adapted to lamination of stator iron cores with different heights, and the universality of the mold is improved.

Description

Detachable iron core lamination die

Technical Field

The utility model relates to a detachable iron core lamination die.

Background

The semi-direct drive, direct drive and the like adopt the wind driven generator with the outer stator structure, the iron core is limited and supported by the structure without a bracket and the like, the iron core lamination work is required to be carried out by adopting the lamination mold structure, the lamination mold is used as support and limitation in the lamination process, the punching sheet is contacted with the outer circle of the lamination mold, and the size of the inner circle of the iron core is integrally controlled. In general, the lamination die adopts a round structure, adopts integrated processing after welding, and is only applicable to the same type of inner diameter of the iron core, and has poor universality. With the continuous switching of the machine types, the continuous increase of the number of the tools occurs, and the occupied site resources are occupied; meanwhile, a telescopic pressing die is needed to be put into each machine type production, and the input cost is high; the whole processing period of the lamination die is long, and the development period is difficult to shorten. Meanwhile, a full-circle structure lamination die or a similar structure lamination die is adopted, and more materials are needed for the tooling. Therefore, the design and development work of the structure of the iron core lamination mold with the detachable frame structure is developed.

At present, a domestic laminated die structure mostly adopts a full-circle structure, and the frame structure of the laminated die structure of the detachable iron core is proposed.

Disclosure of Invention

The utility model aims at the defects in the prior art, provides a detachable iron core laminating die, so as to change the existing integrally processed whole round structure, adopts a frame structure to reduce the material and cost for manufacturing a tool, so as to solve the problem of higher input cost at present, simultaneously, the detachable iron core laminating die can shorten the development period, and the size of the tool can be changed by disassembling and assembling an outer cylindrical column, so that the detachable iron core laminating die is suitable for iron core inner diameters of different sizes, and the problem that a telescopic laminating die needs to be input for each machine type in production at present is solved.

A removable iron core stack die, characterized in that: the die comprises a laminated die core, a rib plate, an outer cylindrical column, an upper pre-pressing plate, a pad gear ring and a lower pre-pressing plate, wherein the laminated die core is a bottom die, a frame structure or a full-circle welding structure is adopted, the lower pre-pressing plate is arranged at the bottom of the die core, the outer cylindrical column is integrally and closely connected with the laminated die core, and the pad gear ring is arranged on the opposite surface of the upper pre-pressing plate and the lower pre-pressing plate.

In the above technical scheme, preferably, the frame structure of the laminated mold core is composed of a plurality of structures such as rib plates, a bottom plate, reinforcing rings and the like, and the outer surface of the laminated mold core is processed into a circle or a plane.

In the above technical scheme, preferably, the rib plate is provided with holes and is used for being connected with the outer circular column, the number of the rib plates is determined according to the number of the punching sheets, and each punching sheet is ensured to cover the corresponding position area of 2 rib plates.

In the above technical scheme, preferably, the lower end surface of the laminated die core is provided with a boss, so that the lower pre-pressing plate, the pad gear ring and the core gasket can be supported, and the supporting work of the laminated core is realized.

In the above technical scheme, preferably, the lamination die core is matched with different outer circular columns, upper pre-pressing plates, lower pre-pressing plates and pad gear rings, so that lamination of iron cores with different sizes can be realized.

In the above technical scheme, preferably, the connection between the outer circular column and the laminated die core comprises a bolt connection, the outer circular column and the laminated die core are integrally abutted, the outer circular column is in a fan shape, the outer circular arc is matched with the inner diameter of the laminated iron core, and when the iron core type is switched, the corresponding size adjustment and switching of the outer circular column are performed.

In the above technical scheme, preferably, the upper pre-pressing plate is of a structure for pressing the stator core, namely, is arranged on the upper surface of the core when the core is stacked to a specified height, and is pressed on the upper surface by oil pressure equipment to realize core pressing; the upper pre-pressing plate adjusts the inner and outer dimensions according to the overall dimension of the iron core.

In the above technical solution, preferably, the lower pre-pressing plate is disposed at the bottom of the lamination core and is used for supporting the whole body; the lower pre-pressing plate adjusts the inner and outer dimensions according to the overall dimension of the iron core.

In the above technical scheme, preferably, the cushion gear ring plays roles of supporting the punching sheet and adjusting the height, and is supported on the lower pre-pressing plate to be at the same height as the iron core gasket so as to compensate the height difference brought by the gasket.

Compared with the prior art, the utility model has the beneficial effects that: the novel structure of the laminated die avoids processing after welding of original whole circles, can realize that the universality is improved in a specific size range by adopting a mode of replacing an outer circle column, reduces the input amount of tools and the occupation amount of stations, and shortens the whole manufacturing period.

The novel lamination die structure is characterized in that the bottom die adopts a welding structure, adopts a connecting structure with the outer side rib plate, and realizes the reduction of the whole processing difficulty and the material consumption by adopting a frame type structure.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following discussion will discuss the embodiments or the drawings required in the description of the prior art, and it is obvious that the technical solutions described in connection with the drawings are only some embodiments of the present utility model, and that other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a centerline view in section of the present utility model.

Fig. 2 is a schematic structural view of the present utility model.

FIG. 3 is a schematic combination of the present utility model.

Detailed Description

The following description of the embodiments of the present utility model will be made in detail and with reference to the accompanying drawings, wherein it is apparent that the embodiments described are only some, but not all embodiments of the present utility model. All other embodiments, which can be made by a person of ordinary skill in the art without the need for inventive faculty, are within the scope of the utility model, based on the embodiments described in the present utility model.

Example 1: as shown in figure 1, the bottom die of the detachable iron core lamination die adopts a frame type structure and is formed by welding a plurality of structures such as rib plates, a bottom plate, reinforcing rings and the like. And the rib plate is perforated, and the outer circular column 2 is mounted on the rib plate through bolts to form a laminated die structure. The rib plates are determined according to the number of the punching sheets, and each punching sheet is ensured to cover the corresponding position area of 2 rib plates. The outer surface of the laminated mold core 1 can be processed into a circle or a plane and is tightly connected with the outer circular column 2, a boss is arranged on the lower end surface of the laminated mold core 1, the lower pre-pressing plate 5, the cushion gear ring 4 and the iron core gasket can be supported, the cushion gear ring 4 plays roles in supporting a punching sheet and adjusting the height, the cushion gear ring 4 is supported on the lower pre-pressing plate 5, and the cushion gear ring 4 and the iron core gasket are at the same height so as to compensate the height difference brought by the gasket, thus the supporting work of the laminated iron core is realized. The outer circular column is in a fan shape, the outer circular arc is matched with the inner diameter of the overlapped iron core, and when the type of the iron core is switched, the corresponding size adjustment and the switching of the outer circular column 2 are carried out. In order to realize lamination of iron cores with different sizes, an outer cylindrical column 2 with corresponding sizes is connected to a lamination mold core 1, an upper pre-pressing plate 3, a lower pre-pressing plate 5 and a cushion gear ring 4 through disassembly and replacement. The upper pre-pressing plate 3 is used for pressing the stator core structure, namely, when the core is stacked to a specified height, the upper pre-pressing plate is arranged on the upper surface of the core, and oil pressure equipment is used for pressing the upper surface of the core, so that the core is pressed. The upper pre-pressing plate 3 is used for adjusting the inner and outer dimensions according to the overall dimension of the iron core, and the lower pre-pressing plate 5 is arranged at the bottom of the laminating mold core 1 and is used for supporting the whole; the lower pre-pressing plate 5 is adjusted according to the overall size of the core.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. Accordingly, the embodiments are to be considered in all respects as illustrative and not restrictive. The scope of the utility model is indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. A removable iron core stack die, characterized in that: including fold moulding-die core (1), gusset, outer column (2), go up pre-compaction board (3), fill up ring gear (4), pre-compaction board (5) down, fold moulding-die core (1) and be the die block, adopt frame structure, the mold core bottom is pre-compaction board (5) down, and outer column (2) are connected with fold moulding-die core (1) whole in close proximity, fill up ring gear (4) and set up on the opposite face of last pre-compaction board (3) and pre-compaction board (5) down.

2. The removable core stack of claim 1, wherein: the frame type structure of the laminated die core (1) comprises a plurality of rib plates, a bottom plate and reinforcing rings, and the outer surface of the laminated die core (1) is processed into a circle or a plane.

3. A removable core stack as set forth in claim 2, wherein: the rib plate is provided with holes and is used for being connected with the outer circular column (2), the number of the rib plates is determined according to the number of the punching sheets, and each punching sheet is ensured to cover the corresponding position area of 2 rib plates.

4. The removable core stack of claim 1, wherein: the lower end face of the laminated die core (1) is provided with a boss, and the boss can support the lower pre-pressing plate (5), the pad gear ring (4) and the core gasket, so that the support work of the laminated core is realized.

5. The removable core stack of claim 1, wherein: the laminated die core (1) is matched with different outer circular columns (2), upper pre-pressing plates (3), lower pre-pressing plates (5) and pad gear rings (4), so that iron cores with different sizes can be laminated.

6. The removable core stack of claim 1, wherein: the outer circular column (2) is connected with the laminated die core (1) and comprises a bolt connection, the outer circular column (2) is integrally abutted against the laminated die core (1), the outer circular column (2) is in a fan shape, an outer circular arc is matched with the inner diameter of the laminated iron core, and when the iron core type is switched, the corresponding size adjustment of the outer circular column (2) is switched.

7. The removable core stack of claim 1, wherein: the upper pre-pressing plate (3) is of a stator core pressing structure, namely, is arranged on the upper surface of a core when the core is stacked to a specified height, and is pressed on the upper surface by oil pressure equipment to realize core pressing; the upper pre-pressing plate (3) adjusts the inner and outer dimensions according to the overall dimension of the iron core.

8. The removable core stack of claim 1, wherein: the cushion gear ring (4) plays roles in supporting the punching sheet and adjusting the height, and is supported on the lower pre-pressing plate (5) to be at the same height as the iron core gasket so as to compensate the height difference brought by the gasket.