CN219626462U - Iron core lamination tool - Google Patents

Abstract

The utility model relates to the technical field of iron core stamping, in particular to an iron core laminating tool, which comprises a limiting arc plate group which is arranged on an oil press in a relatively upright manner, wherein the limiting arc plate group comprises an outer arc plate component and an inner arc plate component, and a fan ring space for laminating punching sheets is formed between opposite surfaces of the outer arc plate component and the inner arc plate component; and supporting components for supporting the punching sheet are arranged below the outer arc plate component and the inner arc plate component respectively, and the supporting surfaces of the supporting components are positioned on the same horizontal plane. According to the utility model, the limiting arc plate group is arranged, and the punching sheet is laminated according to the set curvature to produce the required iron core, so that the profile degree of 0.03mm can be achieved compared with the prior art, and the lamination coefficient and flatness requirements of the iron core design requirement are realized. Through the lamination tool provided by the utility model, the qualification rate of the iron core can be improved, and the processing efficiency and reliability can be improved.

Description

Iron core lamination tool

Technical Field

The utility model relates to the technical field of iron core stamping, in particular to an iron core laminating tool.

Background

The core is typically made of a number of silicon steel sheets laminated to form a winding for forming an induced magnetic field. For example, for use in transformers, cold rolled sheet silicon steel of 0.35mm thickness is typically selected, cut into long sheets according to the size of the required core, and then overlapped into a "ri" or "kou" shape. If the eddy current is reduced, the thinner the thickness of the silicon steel sheet is, the narrower the spliced strips are, and the better the effect is. The eddy current loss is reduced, the temperature rise is reduced, and the material consumption of the silicon steel sheet is also saved.

According to the product design requirement that the lamination of punching sheet formed, the punching sheet with thickness of 0.5mm or other specification thickness is laminated into the iron core, must use the frock to laminate and accomplish, in order to realize the function of iron core component in the product to satisfy the requirement such as lamination coefficient, the bending radius requirement of iron core, bending radius profile, the iron core laminating and accomplish the back flatness of iron core requirement, current frock can only accomplish simple structure, does not have the iron core lamination of radius of curvature demand, can not realize current product demand.

In some application scenarios, an iron core with a certain curvature radius is needed, and lamination production cannot be performed through current equipment, so that the processing production efficiency of the iron core is low, and the processing effect is unreliable. The structure of the lamination tool should be optimized so as to realize lamination with curvature, and the designed flatness also needs to be maintained in the lamination process so as to ensure the quality of the iron core. Therefore, a more reasonable technical scheme is required to be provided, and the technical problems in the prior art are solved.

Disclosure of Invention

In order to overcome at least one of the defects mentioned in the above description, the utility model provides an iron core lamination tool, which limits the lamination process of an iron core, keeps a set curvature to apply pressure, and causes the silicon steel sheets of the iron core to generate designed deformation after being stacked, thereby producing the iron core with the curvature at the production position; the consistent deformation of the silicon steel sheet is kept in the production process, and the quality reliability of the iron core product is ensured.

In order to achieve the above purpose, the lamination tool disclosed by the utility model can adopt the following technical scheme:

the utility model provides an iron core stacks frock, is the spacing arc board group that sets up relatively upright on the hydraulic press, and spacing arc board group includes outer arc board subassembly and interior arc board subassembly, forms the fan ring space that is used for stacking the punching sheet between the opposite face of outer arc board subassembly and interior arc board subassembly; and supporting components for supporting the punching sheet are arranged below the outer arc plate component and the inner arc plate component respectively, and the supporting surfaces of the supporting components are positioned on the same horizontal plane.

According to the lamination tool disclosed by the above, the lamination direction of the punching sheet is limited by the limiting arc plate group, so that the punching sheet can form an iron core structure according to a set curvature radius after being overlapped along the annular fan space, and finally the iron core piece with the curvature is obtained by processing. The supporting component is used for supporting and stabilizing the punching sheet, and maintaining the overall flatness of the punching sheet, and finally produced products can meet the set requirements of iron core products.

Further, the structure of the limiting arc plate set may adopt a plurality of possible schemes, not limited to only, and is optimized and one of the possible options is provided herein: the outer arc plate assembly and the inner arc plate assembly comprise connecting base plates, the connecting base plates are connected with limiting arc plates through connecting structures, and arc-shaped limiting surfaces are formed on the limiting arc plates. When the scheme is adopted, the connecting base plate, the connecting structure and the limiting arc plate form a fixed whole.

Still further, in the in-process of punching press, the spacing face camber of outer arc board subassembly and interior arc board subassembly is the same, makes the punching sheet take place regular deformation when spacing face is close each other, and the setting area of spacing face can set up according to actual demand, and is not by the unique restriction, optimizes and proposes one of them feasible selection here: the limiting arc plate connected with the outer arc plate assembly is provided with a concave limiting surface, and the limiting arc plate connected with the inner arc plate assembly is provided with a convex limiting surface. When the scheme is adopted, the limiting surfaces of the outer arc plate assembly and the inner arc plate assembly are the side edges of the plate, and in the stamping process, the plate vertically applies force to reduce flexible deformation, so that the limiting surfaces are kept more regular, the deformation of the stamping sheet is more standard, and the qualification rate of products can be improved.

Further, in order to keep the standard degree of the limiting surface better, reduce the flexible deformation in the stamping process, the composition structure of the limiting arc plate can be optimized and adjusted, in some schemes, a reinforcing structure can be added, or in other schemes, a double-layer limiting arc plate structure is adopted, and the limiting arc plate structure is not limited only, and is optimized and one of the possible choices is provided herein: the limiting arc plates comprise a plurality of splicing arc plates which are arranged continuously, and adjacent splicing arc plates form continuous limiting surfaces. When the scheme is adopted, the length of the spliced arc plate is reduced, the rigidity is increased, the occurrence of flexible deformation is smaller, and even the occurrence of flexible deformation cannot occur, so that the reliability of the whole limiting surface is higher.

Further, the engagement structure is not limited solely, and optimization is performed and one possible option is presented here: the connecting structure comprises a plurality of connecting plates or connecting frames. When the connecting plates are adopted, the connecting plates can be arranged side by side at intervals so as to improve the connection reliability between the connecting base plate and the limiting arc plate; when the connecting frame is adopted, a plurality of triangular supports and other structures can be arranged to improve the reliability of connection.

Further, in the present utility model, the structure of the support assembly is not limited only, and is optimized and one of the possible options is presented herein, by stably supporting the punched sheet and maintaining the flatness after punching by the support assembly: the supporting component comprises a group of supporting plates which are arranged in parallel and connected with the oil press, and the supporting plates are fixedly connected through a plurality of rib plates. When the scheme is adopted, the rib plates and the supporting plates can be fastened in a welding mode, a bolt connection mode and the like.

Furthermore, in order to stack and stack the punched sheets in order, the punched sheets can be realized through various limiting structures, which are not limited in particular, and one of the possible choices is optimized and proposed herein: the hydraulic press is connected with a mountain leaning assembly, and the mountain leaning assembly comprises a guide inclined plane for aligning the punching sheet.

Further, the configuration of the backer assembly may be set in a variety of ways, not limited solely, optimized herein and one of the possible options presented: the backer assembly comprises a plurality of connecting pieces which are connected with the oil press and are arranged at intervals, and the outer ends of the connecting pieces are connected with the guide plate. When such a solution is adopted, the connecting piece of one end of the guiding plate is shorter, and the connecting piece of the other end of the guiding plate is longer.

Further, in the present utility model, to assist stacking of the punched sheets, optimization is performed and one of possible choices is proposed: the hydraulic press on still be connected with the pressure head subassembly, the pressure head subassembly includes a set of curb plate of relative setting, is fixed through a plurality of transverse pieces between the curb plate, is connected with the clamp plate that is used for supporting the punching sheet on the curb plate. When adopting this scheme, the clamp plate of pressure head subassembly and the guide board parallel arrangement of backup assembly.

Still further, the connector may take a variety of possible configurations, one of which is optimized and exemplified herein: the cross member includes a connecting cross plate. When adopting this scheme, connect the even interval setting of diaphragm.

Compared with the prior art, the technical scheme disclosed by the utility model has the following partial beneficial effects:

according to the utility model, the limiting arc plate group is arranged, and the punching sheet is laminated according to the set curvature to produce the required iron core, so that the profile degree of 0.03mm can be achieved compared with the prior art, and the lamination coefficient and flatness requirements of the iron core design requirement are realized. Through this use novel frock of pressing that provides, not only can improve the qualification rate of iron core, can also improve the efficiency and the reliability of processing.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic front view of an iron core lamination tooling.

Fig. 2 is a schematic view of a longitudinal section structure of the iron core lamination tooling in front view.

Fig. 3 is a schematic elevational structural view of the outer arc plate assembly.

Fig. 4 is a schematic top view of an outer arc plate assembly.

Fig. 5 is a schematic elevational structural view of the inner arc plate assembly.

Fig. 6 is a schematic top view of the inner arc plate assembly.

Fig. 7 is a schematic structural view of a ram assembly.

Fig. 8 is a schematic structural view of the back assembly.

In the above figures, the meaning of each symbol is:

1. an outer arc plate assembly; 2. a support assembly; 3. a ram assembly; 301. a pressing plate; 302. a cross member; 303. a side plate; 4. an inner arc plate assembly; 5. connecting the backing plate; 6. a backer assembly; 601. a guide plate; 602. a connecting piece; 7. a connection structure; 8. and limiting the arc plate.

Detailed Description

The utility model is further illustrated by the following description of specific embodiments in conjunction with the accompanying drawings.

Aiming at the situation that the existing iron core laminating equipment can only realize planar lamination and cannot carry out lamination processing according to curvature, the following embodiment is optimized to overcome the defects in the prior art.

Examples

As shown in fig. 1 and 2, the present embodiment provides an iron core lamination tooling, a limiting arc plate set relatively vertically arranged on an oil press, wherein the limiting arc plate set comprises an outer arc plate assembly 1 and an inner arc plate assembly 4, and a fan ring space for laminating punching sheets is formed between opposite surfaces of the outer arc plate assembly 1 and the inner arc plate assembly 4; the lower parts of the outer arc plate assembly 1 and the inner arc plate assembly 4 are respectively provided with a supporting assembly 2 for supporting the punching sheet, and the supporting surfaces of the supporting assemblies are positioned on the same horizontal plane.

According to the lamination tool disclosed by the utility model, the laminated punching sheets are limited through the limiting arc plate group, so that the punching sheets are arranged according to the set curvature, and the iron core piece with the curvature is finally processed. The supporting component 2 is used for supporting and stabilizing the punching sheet, and maintaining the overall flatness of the punching sheet, and finally the produced product can meet the set requirement of the iron core product.

As shown in fig. 3 to 6, the structure of the limiting arc plate set may adopt a plurality of possible schemes, not limited to only, and the present embodiment is optimized and adopts one of the possible options: the outer arc plate assembly 1 and the inner arc plate assembly 4 comprise connecting base plates 5, the connecting base plates 5 are connected with limiting arc plates 8 through connecting structures 7, and arc limiting surfaces are formed on the limiting arc plates 8. When adopting this scheme, connect backing plate 5 and spacing arc board 8 fixed setting, connect backing plate 5, linking structure 7 and spacing arc board 8 and form a fixed whole, have formed fixed fan ring space.

Preferably, the connecting base plate 5, the connecting structure 7 and the limiting arc plate 8 can be fixed in a mode of combining welding and bolting. Specifically, the limiting arc plate 8 is connected with the connecting base plate 5 by using an M16 bolt and a positioning pin with the pluggable diameter of 20 mm.

In the process of stamping, the curvature of the limiting surfaces of the outer arc plate assembly 1 and the inner arc plate assembly 4 is the same, when the limiting surfaces are mutually close, regular deformation of the stamping sheet can be caused, the setting area of the limiting surfaces can be set according to actual requirements, and the limiting surfaces are not limited only, and the limiting surfaces are optimized and selected by one of the feasible options: the limiting arc plate 8 connected with the outer arc plate assembly 1 is provided with a concave limiting surface, and the limiting arc plate 8 connected with the inner arc plate assembly 4 is provided with a convex limiting surface. When the scheme is adopted, the limiting surfaces of the outer arc plate assembly 1 and the inner arc plate assembly 4 are the side edges of the plate.

In order to keep the standard degree of the limiting surface better, reduce the flexible deformation in the stamping process, the composition structure of the limiting arc plate 8 can be optimized and adjusted, in some schemes, a reinforcing structure can be added, or in other schemes, a double-layer limiting arc plate 8 structure is adopted, and the limiting arc plate is particularly but not exclusively limited, and the limiting arc plate is optimized and adopts one of the feasible choices: the limiting arc plates 8 comprise a plurality of splicing arc plates which are arranged continuously, and adjacent splicing arc plates form continuous limiting surfaces. When the scheme is adopted, the length of the spliced arc plate is reduced, the rigidity is increased, the occurrence of flexible deformation is smaller, and even the occurrence of flexible deformation cannot occur, so that the reliability of the whole limiting surface is higher.

Preferably, in this embodiment, the limiting arc plate 8 is composed of three splicing arc plates, the chord length of each splicing arc plate is about 500mm, the chord length is 1500mm, the bending radian is the bending radian of the iron core design, two supporting rib plates are welded below each splicing arc plate, a supporting bottom plate is welded at the bottom of each supporting rib plate, the supporting bottom plate is combined with the bottom plate of the limiting arc plate 8 by using bolts, and pluggable pin holes are used for positioning.

In the present embodiment, the engagement structure 7 is not limited only, and is optimized and one of the possible options is adopted here: the engagement structure 7 comprises a plurality of engagement plates or engagement frames. When the connecting plates are adopted, the connecting plates can be arranged side by side at intervals to improve the connection reliability between the connecting base plate 5 and the limiting arc plate 8; when the connecting frame is adopted, a plurality of triangular supports and other structures can be arranged to improve the reliability of connection.

In this embodiment, the structure of the support assembly 2 is not limited only, and this embodiment is optimized and adopts one of the possible choices by stably supporting the punched sheet by the support assembly 2 and maintaining the flatness after punching: the supporting component 2 comprises a group of supporting plates which are arranged in parallel and connected with the oil press, and the supporting plates are fixedly connected through a plurality of rib plates. When the scheme is adopted, the rib plates and the supporting plates can be fastened in a welding mode, a bolt connection mode and the like.

In order to stack and stack the punched sheets in order, the punched sheets can be realized through a plurality of limiting structures, and the method is not limited in particular, and the method is optimized and adopts one of the possible choices: as shown in fig. 1, 2 and 8, the oil press is connected with a backing assembly 6, and the backing assembly 6 comprises a guiding inclined plane for aligning the punching sheet. By adopting the scheme, one end of the guide inclined plane is closer to the oil press, and the other end of the guide inclined plane is further away from the oil press, so that better lamination is performed in the stacking process of the punching sheets.

The construction of the arm assembly 6 can be arranged in a number of ways, not limited to only, and this embodiment is optimised and adopts one of the possible options: the backing assembly 6 comprises a plurality of connecting pieces 602 which are connected with the oil press and are arranged at intervals, and the outer ends of the connecting pieces 602 are connected with a guide plate 601 and are used for guiding the outer arc plate assembly 1 and the inner arc plate assembly 4 to move. With such a solution, the connection piece 602 at one end of the guide plate 601 is shorter, and the connection piece 602 at the other end of the guide plate 601 is longer.

In this embodiment, to assist in stacking the punched sheets, optimization is performed and one of the possible options is presented: as shown in fig. 1 and 7, the hydraulic press is further connected with a pressing head assembly 3, the pressing head assembly 3 includes a set of side plates 303 which are oppositely arranged, the side plates 303 are fixed through a plurality of transverse members 302, and a pressing plate 301 for tightly propping the punching sheet is connected to the side plates 303. With such a scheme, the pressing plate 301 of the pressing head assembly 3 is disposed in parallel with the guide plate 601 of the backup assembly 6.

In this embodiment, the connector 602 may take on a variety of possible configurations, optimized and one of which is possible: the cross member 302 includes a connecting cross plate. When adopting this scheme, connect the even interval setting of diaphragm.

The above is an embodiment exemplified in this example, but this example is not limited to the above-described alternative embodiments, and a person skilled in the art may obtain various other embodiments by any combination of the above-described embodiments, and any person may obtain various other embodiments in the light of this example. The above detailed description should not be construed as limiting the scope of the present embodiments, which is defined in the appended claims.

Claims (10)

1. Iron core stacks frock, its characterized in that: the limiting arc plate group is arranged on the oil press in a relatively upright mode and comprises an outer arc plate assembly (1) and an inner arc plate assembly (4), and a fan ring space for stacking punching sheets is formed between opposite surfaces of the outer arc plate assembly (1) and the inner arc plate assembly (4); and supporting components (2) for supporting the punching sheet are arranged below the outer arc plate component (1) and the inner arc plate component (4) respectively, and the supporting surfaces of the supporting components (2) are positioned on the same horizontal plane.

2. The core lamination tooling of claim 1, wherein: the outer arc plate assembly (1) and the inner arc plate assembly (4) comprise connecting base plates (5), the connecting base plates (5) are connected with limiting arc plates (8) through connecting structures (7), and arc-shaped limiting surfaces are formed on the limiting arc plates (8).

3. The core lamination tooling of claim 2, wherein: the limiting arc plate (8) connected with the outer arc plate assembly (1) is provided with a concave limiting surface, and the limiting arc plate (8) connected with the inner arc plate assembly (4) is provided with a convex limiting surface.

4. The core lamination tooling of claim 2 or 3, wherein: the limiting arc plates (8) comprise a plurality of splicing arc plates which are arranged continuously, and adjacent splicing arc plates form continuous limiting surfaces.

5. The core lamination tooling of claim 2 or 3, wherein: the connecting structure (7) comprises a plurality of connecting plates or connecting frames.

6. The core lamination tooling of claim 1, wherein: the supporting component (2) comprises a group of supporting plates which are arranged in parallel and connected with the oil press, and the supporting plates are fixedly connected through a plurality of rib plates.

7. The core lamination tooling of claim 1, wherein: the hydraulic press on be connected with back subassembly (6), back subassembly (6) are including the guide inclined plane that is used for the alignment towards the piece, the piece along guide inclined plane in proper order closely coincide and form the iron core structure that has the camber.

8. The core lamination tooling of claim 7, wherein: the backer assembly (6) comprises a plurality of connecting pieces (602) which are connected with the oil press and are arranged at intervals, and the outer ends of the connecting pieces (602) are connected with the guide plate (601).

9. The core lamination tooling of claim 1, wherein: the hydraulic press on still be connected with pressure head subassembly (3), pressure head subassembly (3) are including a set of curb plate (303) of relative setting, are fixed through a plurality of transverse pieces (302) between curb plate (303), are connected with on curb plate (303) and are used for supporting clamp plate (301) that tightly to the punching sheet.

10. The core lamination tooling of claim 9, wherein: the cross member (302) includes a connecting cross plate.