CN217239260U

CN217239260U - EI transformer shaping device

Info

Publication number: CN217239260U
Application number: CN202123187638.5U
Authority: CN
Inventors: 肖俊承; 王一龙; 李闯; 江永法; 田卫红; 廖日云
Original assignee: Eaglerise Electric and Electronic China Co Ltd; Foshan Shunde Eaglerise Electric Power Technology Co Ltd; Jian Eaglerise Electric Co Ltd; Jian Eaglerise Magnetic Technology Co Ltd
Current assignee: Eaglerise Electric and Electronic China Co Ltd; Foshan Shunde Eaglerise Electric Power Technology Co Ltd; Jian Eaglerise Electric Co Ltd; Jian Eaglerise Magnetic Technology Co Ltd
Priority date: 2021-12-17
Filing date: 2021-12-17
Publication date: 2022-08-19
Anticipated expiration: 2031-12-17

Abstract

The EI transformer shaping device comprises a pressing die, wherein the pressing die comprises an upper die, a lower die and a fixing piece, the middle parts of the upper die and the lower die are inwards sunken to form a die cavity, and the middle part of the fixing piece is provided with a limiting opening; when last mould and bed die draw close the extrusion each other, spacing mouthful is located between two mould chambeies, spacing mouthful orthographic projection at the vertical direction is located the mould intracavity, the mould chamber edge of going up mould and bed die with the edge of mounting offsets, the mounting has fixed the skeleton around, be located the skeleton copper line all around can not take place to jump out and the cracked phenomenon of copper wire all around because upper and lower both ends receive too big pressure. In the extrusion process, the edges of the die cavities of the upper die and the lower die apply pressure to the edges of the fixing piece, so that the distance between the upper die and the lower die is limited, the upper end and the lower end of the framework are further guaranteed not to be excessively extruded, and the yield of transformer production is improved.

Description

EI transformer shaping device

Technical Field

The invention relates to the technical field of transformer production and manufacturing, in particular to an EI transformer shaping device.

Background

After the copper line twined in the skeleton of transformer, need extrude the copper line on the skeleton through shaping device for the gap between copper line and the copper line thins, reduces the volume of transformer. And the clearance between the copper line is all inconsistent on each skeleton, need observe the state of copper line and extrude simultaneously when using shaping device extrusion copper line, so present shaping device extrudees the copper line on the skeleton from top to bottom through two stripper plates or two U type tool assembly joints, but because equipment extrusion pressure degree is too big for both ends atress is too big about the copper line, thereby leads to the copper line to bounce out and make it break to both ends about to, causes the production of wastrel. Therefore, a transformer shaping device which can work stably and is efficient is urgently needed.

Disclosure of Invention

In view of the above-mentioned drawbacks, the present invention provides an EI transformer reshaping device to avoid the phenomena of the copper wire jumping out and cracking due to the excessive pressure on the upper and lower ends of the copper wire.

In order to achieve the purpose, the invention adopts the following technical scheme: an EI transformer shaping device comprises a pressing die, wherein the pressing die comprises an upper die, a lower die and a fixing piece, the middle parts of the upper die and the lower die are inwards sunken to form a die cavity, and a limiting opening is formed in the middle part of the fixing piece;

when the upper die and the lower die are mutually closed and extruded, the limiting opening is positioned between the two die cavities, the orthographic projection of the limiting opening in the vertical direction is positioned in the die cavities, and the edges of the die cavities of the upper die and the lower die are abutted against the edges of the fixing piece.

Preferably, the front edge and the rear edge of the mold cavity are recessed to form a framework avoiding groove, and the left end and the right end of the framework avoiding groove are flush with the left end and the right end of the upper mold or the lower mold respectively.

Preferably, the left side and the right side of the upper die and the lower die are respectively provided with an observation notch.

Preferably, the front sides of the upper die and the lower die are provided with first lead notches.

Preferably, the groove wall of the lower die is provided with a second lead notch.

Preferably, the fixing part comprises a first buckle part and a second buckle part, the first buckle part comprises a first arm and a second arm, the second arms are respectively arranged at two sides of the first arm, the two second arms are positioned at the same side of the first arm, and the first arm and the two second arms are combined to form a notch;

the second buckling part is connected to one side, facing the notch, of the first buckling part, and after the first buckling part and the second buckling part are combined, the notch of the first buckling part and the second buckling part are matched to form the limiting opening.

Preferably, one of the vertical surfaces of the second arm and the second fastener is provided with an installation notch, and the other vertical surface is provided with an installation column matched with the installation notch.

Preferably, the pressing die further comprises a workbench and a driver, the driver and the pressing die are mounted on the workbench, and the driver is in transmission connection with the upper die and can drive the upper die to move towards the lower die.

Preferably, the actuator is a hydraulic cylinder.

One of the above technical solutions has the following advantages or beneficial effects: the fixing piece fixes the periphery of the framework, and copper wires positioned on the periphery of the framework cannot jump out and break because the upper end and the lower end of the copper wires are under overlarge pressure. In the extrusion process, the edges of the die cavities of the upper die and the lower die apply pressure to the edges of the fixing piece, so that the distance between the upper die and the lower die is limited, the upper end and the lower end of the framework are further ensured not to be excessively extruded, and the yield of transformer production is improved.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of a press mold according to an embodiment of the present invention.

Figure 3 is a schematic view of the construction of a fastener in one embodiment of the invention.

Figure 4 is an exploded view of a mount according to one embodiment of the invention.

Wherein: go up mould 1, bed die 2, mould chamber 3, skeleton and dodge groove 4, observe breach 5, first wire breach 6, second wire breach 7, mounting 8, first buckle 8a, first arm 8aa, second arm 8ab, second buckle 8b, spacing mouth 8c, installation notch 9, erection column 10, workstation 11, driver 12.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in a specific case to those of ordinary skill in the art.

As shown in fig. 1 to 4, an EI transformer reshaping device comprises a pressing mold, wherein the pressing mold comprises an upper mold (1), a lower mold (2) and a fixing piece (8), the middle parts of the upper mold (1) and the lower mold (2) are inwards recessed to form a mold cavity (3), and the middle part of the fixing piece (8) is provided with a limiting opening (8 c);

when the upper die (1) and the lower die (2) are mutually closed and extruded, the limiting opening (8c) is positioned between the two die cavities (3), the orthographic projection of the limiting opening (8c) in the vertical direction is positioned in the die cavities (3), and the edges of the die cavities (3) of the upper die (1) and the lower die (2) are abutted to the edge of the fixing piece (8).

The driver (12) avoids the situation that the copper wire of the framework is excessively extruded by the upper die (1) and the lower die (2) during shaping, and the copper wire is broken. The application adds a fixing piece (8) in the pressing mould, the fixing piece (8) is provided with a limit opening (8c), before the copper wires of the framework are extruded, the framework is prevented in the limiting opening (8c) of the fixing piece (8), the copper wires at the periphery of the framework are respectively propped against the limiting opening (8c), the height of the framework is higher than that of the fixing piece (8), copper wires on the upper end face and the lower end face of the framework are exposed out of the fixing piece (8), when the upper die (1) and the lower die (2) are mutually closed and extruded, the copper wires at the upper end and the lower end of the framework are extruded by the die cavity (3), so that the gap between the copper wires on the framework is reduced, and the purpose of reducing the volume of the transformer is achieved, because the fixing piece (8) fixes the periphery of the framework, copper wires positioned on the periphery of the framework cannot jump out and break because the upper end and the lower end of the copper wires are subjected to overlarge pressure. In the extrusion process, the edges of the die cavities (3) of the upper die (1) and the lower die (2) apply pressure to the edges of the fixing pieces (8), so that the distance between the upper die (1) and the lower die (2) is limited, the upper end and the lower end of the framework are further guaranteed against being excessively extruded, and the yield of transformer production is improved.

Preferably, the front edge and the rear edge of the mold cavity (3) are recessed to form a framework avoiding groove (4), and the left end and the right end of the framework avoiding groove (4) are respectively flush with the left end and the right end of the upper mold (1) or the lower mold (2).

The driver (12) is used for further pressing the copper wires on the framework, so that the space between the copper wires is reduced. This application is provided with the skeleton and dodges groove (4), when placing skeleton in bed die (2), the below edge of skeleton will fall into in the skeleton dodges groove (4), is carrying out extruded in-process, and the below edge of skeleton will fall into go up the skeleton of mould (1) and dodge in groove (4), can avoid this moment to go up mould (1) and bed die (2) and extrude the skeleton, and the copper line also can be by further compression.

Preferably, the left side and the right side of the upper die (1) and the lower die (2) are respectively provided with an observation notch (5).

The driver (12) staff can observe the extrusion condition of the copper wire through the observation gap (5) so as to make a timely response.

Preferably, a first lead notch (6) is formed in the front sides of the upper die (1) and the lower die (2).

Preferably, the groove wall of the lower die is provided with a second lead notch (7).

Driver (12) transformer can draw forth partial copper line usually and come out so that follow-up installation, this application is passed go up the front side of mould (1) and bed die (2) and open and be equipped with first wire breach (6) and second wire breach (7), and what draw forth earlier can wear out through first wire breach (6) and second wire breach (7) go up mould (1) and bed die (2), avoid the lead wire to be extruded.

Preferably, the fixing member (8) comprises a first fastener (8a) and a second fastener (8b), the first fastener (8a) comprises a first arm (8aa) and a second arm (8ab), the second arms (8ab) are respectively arranged at two sides of the first arm (8aa), the two second arms (8ab) are positioned at the same side of the first arm (8aa), and the first arm (8aa) and the two second arms (8ab) are combined to form a notch;

the second buckle part (8b) is connected to one side, facing the notch, of the first buckle part (8a), and after the first buckle part (8a) and the second buckle part (8b) are combined, the notch of the first buckle part (8a) is matched with the second buckle part (8b) to form the limiting opening (8 c).

When the framework is arranged in the limiting opening (8c), the second buckling piece (8b) is opened, the framework is prevented from being arranged in the notch of the first buckling piece (8a), and the notch is sealed by the second buckling piece (8b), so that the framework is fixed in the limiting opening (8 c).

Preferably, one of the vertical surfaces of the second arm (8ab) and the second fastener (8b) is provided with a mounting notch (9), and the other vertical surface is provided with a mounting column (10) matched with the mounting notch (9).

The volume of the mounting column (10) of the driver (12) is slightly larger than that of the mounting notch (9), and when the driver and the mounting column are mutually quota-matched and assembled, the first fastener (8a) and the second fastener (8b) can be assembled together in an interference fit mode, so that the fixing piece (8) is firmer.

Preferably, the die pressing machine further comprises a workbench (11) and a driver (12), the driver (12) and the pressing die are mounted on the workbench (11), and the driver (12) is in transmission connection with the upper die (1) and can drive the upper die (1) to move towards the lower die (2).

Preferably, the actuator (12) is a hydraulic cylinder.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. The EI transformer reshaping device is characterized by comprising a pressing die, wherein the pressing die comprises an upper die (1), a lower die (2) and a fixing piece (8), the middle parts of the upper die (1) and the lower die (2) are inwards sunken to form a die cavity (3), and the middle part of the fixing piece (8) is provided with a limiting opening (8 c);

2. The EI transformer reshaping device according to claim 1, wherein the front edge and the rear edge of said mold cavity (3) are recessed to form a frame avoiding groove (4), and the left and right ends of said frame avoiding groove (4) are flush with the left and right ends of said upper mold (1) or lower mold (2), respectively.

3. The EI transformer reshaping device as claimed in claim 1, wherein the upper mold (1) and the lower mold (2) are provided with observation gaps (5) at left and right sides thereof, respectively.

4. The EI transformer reshaping device as claimed in claim 1, wherein the front sides of the upper die (1) and the lower die (2) are provided with a first wire gap (6).

5. The EI transformer reshaping device as claimed in claim 1, wherein the walls of the lower mold are provided with second wire notches (7).

6. EI transformer reshaping device according to claim 1, wherein said fixing element (8) comprises a first clasp (8a) and a second clasp (8b), said first clasp (8a) comprises a first arm (8aa) and a second arm (8ab), said second arms (8ab) are respectively arranged at two sides of said first arm (8aa), two said second arms (8ab) are located at the same side of said first arm (8aa), said first arm (8aa) and said two second arms (8ab) form a notch in combination;

the second buckle part (8b) is connected to one side, facing the notch, of the first buckle part (8a), and after the first buckle part (8a) and the second buckle part (8b) are combined, the notch of the first buckle part (8a) and the second buckle part (8b) are matched to form the limiting opening (8 c).

7. EI transformer reshaping device according to claim 6, wherein one of the facing surfaces of said second arm (8ab) and said second snap (8b) is provided with a mounting notch (9), and the other facing surface is provided with a mounting post (10) matching said mounting notch (9).

8. The EI transformer reshaping device according to claim 1, further comprising a worktable (11) and a driver (12), wherein the driver (12) and the pressing mold are mounted on the worktable (11), and the driver (12) is in transmission connection with the upper mold (1) and can drive the upper mold (1) to move towards the lower mold (2).

9. The EI transformer reshaping device of claim 8, wherein the actuator (12) is a hydraulic ram.