Winding Die

Abstract

The present invention discloses a winding die including a gear baffle plate having a first surface and a first opening in the center for accommodating the core legs, and a supply cylinder attached to the first surface of the gear baffle plate and connected to the gear baffle plate. The first opening for accommodating the core legs is located in the center of the gear baffle plate, and the supply cylinder is fixedly connected to the gear baffle plate. An external device is connected to a gear, and the gear is pulled to rotate the supply cylinder on the gear baffle plate around the core legs, thereby winding foil or insulating material on the supply cylinder around the core legs and ultimately winding a foil coil set. When winding a foil coil set using the winding die of the present invention, it is only necessary to provide a power source for rotating the gear baffle plate. This eliminates the need for a conventional foil coil winding machine, simplifies the winding process, reduces manufacturing costs, and further improves the versatility of the die by adjusting the height of the supply cylinder, etc.

Description

[Technical field]

[0001] The present invention relates to the technical field of power equipment, and in particular to a winding die. [Background technology]

[0002] As one of the important equipment for power transmission, transformers provide reliable and continuous energy for social and economic development. At present, three-dimensional wound core transformers are widely used in various industries in society due to their characteristics of energy saving, environmental friendliness, high efficiency, etc. Foil-type coil sets have the advantages of excellent mechanical strength, resistance to deformation, resistance to short circuit force, good electrical strength, uniform surge gradient voltage distribution, easy winding, etc., so a three-dimensional wound core transformer using a foil-type coil set not only has the characteristics of a three-dimensional wound core, but also the advantages of a foil-type coil set. However, the production of foil-type coils for three-dimensional wound core transformers requires special machine tools and equipment such as foil-type coil winding machines, winding dies, and fixtures, and the foil-type coil winding machines are highly mechanized, which places high demands on the skills of personnel who use and operate the equipment, the coil set winding process, etc., and the winding dies and fixtures are not versatile, so it is necessary to use special winding dies and fixtures for different foil-type coils. Summary of the Invention [Problem to be solved by the invention]

[0003] The present invention aims to solve at least one of the technical problems existing in the prior art, and therefore proposes a winding die that can simplify the winding process, increase the versatility of the winding die, and reduce the manufacturing cost. [Means for solving the problem]

[0004] A winding die according to an embodiment of the present invention includes a gear baffle plate having a first surface and a first opening at the center for arranging a core leg, and a supply cylinder installed on the first surface of the gear baffle plate and connected to the gear baffle plate.

[0005] The winding die according to the embodiment of the present invention has at least the following useful effects: A first opening for locating the core leg is provided in the center of the gear baffle plate, a supply cylinder is fixedly connected to the gear baffle plate, an external device is connected to the gear, and the gear is pulled to rotate the supply cylinder in the gear baffle plate around the core leg, thereby winding the foil material or insulating material in the supply cylinder around the core leg, and finally winding a foil coil set. When winding a foil coil set using the winding die according to the present application, it is only necessary to provide a power source for rotating the gear baffle plate in an interlocking manner, and in addition to eliminating the need for a conventional foil coil winding machine, the winding process can be simplified and the manufacturing cost can be reduced, and the versatility of the die can be further improved by changing the height of the supply cylinder, etc.

[0006] According to some embodiments of the present invention, the gear baffle plate includes a first portion and a second portion that are removably connected.

[0007] According to some embodiments of the present invention, the gear baffle plate further includes a fixing plate having a support part and a fixing part fixedly connected to the support part, the fixing plate being rotatably connected to the second surface of the gear baffle plate via the support part, and a first connection hole being provided in the fixing part for fixing to an external device.

[0008] According to some embodiments of the present invention, the support further includes a friction plate having a second opening disposed at its center and a connecting plate disposed along the second opening and perpendicular to the friction plate.

[0009] According to some embodiments of the present invention, the gear baffle plate further includes a raceway ring disposed between the gear baffle plate and the fixed plate, an annular raceway is disposed on a second surface of the gear baffle plate, the raceway ring is disposed on the annular raceway, and the raceway ring is fixedly connected to the fixed plate.

[0010] According to some embodiments of the present invention, a groove is provided on the raceway ring, a boss is provided on the fixed plate, and the boss is disposed in the groove.

[0011] According to some embodiments of the present invention, a second connecting hole is provided in the groove, a third connecting hole is provided in the boss, and the second connecting hole and the third connecting hole are provided correspondingly.

[0012] According to some embodiments of the present invention, a first oil groove is provided on the outer wall of the raceway ring.

[0013] According to some embodiments of the present invention, a second oil groove is provided in the annular raceway.

[0014] According to some embodiments of the present invention, the supply cylinder includes an outer cylinder and an inner cylinder that are movably connected, the outer cylinder rotating about an axis of the inner cylinder.

[0015] Additional features and advantages of the invention will be set forth in the description which follows, and in part will be apparent from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention may be realized and obtained by the structure particularly pointed out in the written description, claims and appended drawings. [Brief description of the drawings]

[0016] Additional aspects and advantages of the present invention will become apparent and more readily understood from the following detailed description of the preferred embodiments taken in conjunction with the accompanying drawings.

[0017] [Figure 1] FIG. 2 is a schematic diagram showing an application of a winding die according to an embodiment of the present invention. [Diagram 2] 2 is an exploded schematic view of the winding die according to the embodiment of the present invention shown in FIG. 1. [Diagram 3] FIG. 2 is a schematic diagram of a gear baffle plate of the winding die according to the embodiment of the present invention shown in FIG. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0018] In the following, the embodiments of the present invention will be described in detail, examples of which are illustrated in the accompanying drawings, in which the same or similar reference numerals throughout refer to the same or similar elements, or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are illustrative and are merely for interpreting the present invention, and should not be understood as limiting the present invention.

[0019] In the description of the present invention, the descriptions regarding orientation, such as the orientations or positional relationships indicated by "up," "down," "front," "back," "left," and "right," are orientations or positional relationships shown based on the drawings and are merely for the convenience and simplification of the description of the present invention. They do not state or imply that the devices or elements they refer to necessarily have a specific orientation or must be constructed or operated in a specific orientation, and therefore should not be understood as limiting the present invention.

[0020] In the description of the present invention, references to "first" and "second" are merely intended to distinguish technical features and should not be understood as indicating or implying relative importance, or implying the number of technical features being presented, or implying the context of the technical features being presented.

[0021] In the description of the present invention, unless otherwise expressly limited, technical terms such as "installation", "mounting", and "connection" should be understood in a broad sense, and a person skilled in the art can understand the specific meaning of the above technical terms in the present invention according to the specific content of the technical solutions.

[0022] 1 and 2, the present invention provides a winding die including a gear baffle plate 100 having a first surface and a first opening for arranging a core leg at the center, and a supply cylinder 200 installed on the first surface of the gear baffle plate 100 and connected to the gear baffle plate 100. The first opening for arranging a core leg is installed at the center of the gear baffle plate 100, the supply cylinder 200 is fixedly connected to the gear baffle plate 100, and an external device is connected to a gear, and the gear is pulled to rotate the supply cylinder 200 in the gear baffle plate 100 around the core leg, thereby realizing the winding of the foil material or insulating material in the supply cylinder 200 around the core leg, and finally realizing the winding of a foil-type coil set. When winding a foil coil set using the winding die of the present application, it is only necessary to provide a power source to rotate the gear baffle plate 100 in conjunction with the winding die. In addition to eliminating the need for a conventional foil coil winding machine, the winding process can be simplified and manufacturing costs can be reduced. The versatility of the die can be further improved by changing the height of the supply cylinder 200, etc.

[0023] There may be one or more supply cylinders 200. When there are multiple supply cylinders 200, different materials, such as foil strips or insulating materials, are placed on different supply cylinders 200.

[0024] The gear baffle plate 100 can be composed of multiple parts, and when the gear baffle plate 100 is attached to the outside of the core legs, the gear baffle plate 100 is first disassembled, the core legs are placed in the first opening, and each part of the gear baffle plate 100 is fixedly connected.

[0025] Gear baffle plate 100 includes a first portion and a second portion that are removably connected.

[0026] Specifically, the gear baffle plate 100 can be composed of a first part and a second part, and when attaching the gear baffle plate 100 to the outside of the core leg, the first part and the second part are first removed, the core leg is placed in the first opening, and the first part and the second part are fixedly connected.

[0027] The first part and the second part may be connected by engagement or by screws, and the specific connection method is not limited here.

[0028] The gear baffle plate 100 further includes a fixing plate 300 having a support part 310 and a fixing part 320 fixedly connected to the support part 310, rotatably connected to the second surface of the gear baffle plate 100 via the support part 310, and a first connection hole for fixing to an external device is provided in the fixing part 320. By providing the fixing plate 300, the rotation plane is stabilized during the rotation of the gear baffle plate 100, and the foil strip or insulating material is more stably wound, thereby improving winding stability.

[0029] It further includes a backing plate 400, which includes a friction plate 410 with a second opening at the center, and a connecting plate 420 that is arranged along the second opening and perpendicular to the friction plate 410. The backing plate 400 is installed to reduce friction with the gear baffle plate 100 during the winding of the foil strip or insulating material, thereby further extending the service life of the gear baffle plate 100 and ensuring the quality of the coil set.

[0030] The support plate 400 includes a first support plate portion and a second support plate portion, and when the winding die is attached to the core legs, the first support plate portion and the second support plate portion are placed on the gear baffle plate 100, where the first support plate and the second support plate may or may not be fixedly connected, as long as the friction caused by the foil strip or insulating material to the gear baffle plate 100 during the winding process around the core legs can be reduced.

[0031] 3, the gear baffle plate 100 further includes a raceway ring 500 disposed between the gear baffle plate 100 and the fixed plate 300, the annular raceway 110 is disposed on the second surface of the gear baffle plate 100, the raceway ring 500 is disposed on the annular raceway 110, and the raceway ring 500 is fixedly connected to the fixed plate 300. The raceway ring 500 is disposed to reduce the frictional force between the gear baffle plate 100 and the fixed plate 300, thereby improving the rotational stability of the gear baffle plate 100 and extending the service life of the gear baffle plate 100 and the fixed plate 300.

[0032] Specifically, the raceway ring 500 includes a first raceway ring and a second raceway ring. When the winding die is attached to the core legs, the first raceway ring and the second raceway ring are fixedly connected to realize the installation of the raceway ring 500 between the gear baffle plate 100 and the fixed plate 300, thereby providing a raceway for the rotation of the gear baffle plate 100, improving the rotational stability of the gear baffle plate 100, and extending the service life of the gear baffle plate 100 and the fixed plate 300.

[0033] A boss is provided on the track ring 500 and a groove is provided on the fixed plate 300. The boss is provided in the groove, so that the track ring 500 and the fixed plate 300 are fixed together.

[0034] 2, a groove 510 is provided in the track ring 500, a boss 311 is provided in the fixed plate 300, and the boss 311 is provided in the groove 510. The groove 510 and the boss 311 are provided to connect the track ring 500 and the fixed plate 300, thereby realizing the fixation of the track ring 500 and the fixed plate 300.

[0035] A second connecting hole 520 is provided in the groove 510, and a third connecting hole 312 is provided in the boss 311, so that the second connecting hole 520 and the third connecting hole 312 are correspondingly provided. By providing corresponding connecting holes in the groove 510 and the boss 311, fasteners such as screws can be passed through the connecting holes to fasten the track ring 500 and the fixed plate 300, so as to realize a more stable connection between the track ring 500 and the fixed plate 300.

[0036] The number of the connection holes may be more than one, and the connection holes are uniformly distributed on the boss 311 .

[0037] A first oil groove is provided on the outer wall of the raceway ring 500. By providing the first oil groove, lubricating oil can be added to the oil groove to reduce the friction at the contact points between the outer wall of the raceway ring 500 and the side wall of the annular raceway 110, thereby improving the rotation stability of the gear baffle plate 100 and extending the service life of the gear baffle plate 100 and the raceway ring 500, and further winding the foil strip or insulating material more stably to improve winding stability.

[0038] A second oil groove 111 is provided in the annular raceway 110. By providing the second oil groove 111, lubricating oil can be added to the oil groove to reduce the friction at the contact points between the top surface of the raceway ring 500 and the bottom surface of the annular raceway 110, thereby improving the rotation stability of the gear baffle plate 100 and extending the service life of the gear baffle plate 100 and the raceway ring 500, and further winding the foil strip or insulating material more stably to improve the winding stability.

[0039] The supply cylinder 200 includes an outer cylinder 220 and an inner cylinder 210 which are movably connected, and the outer cylinder 220 rotates around the axis of the inner cylinder 210. By installing the inner cylinder 210 and the outer cylinder 220, the foil strip or insulating material wound around the outer cylinder 220 can be stably and quickly transported outward as the outer cylinder 220 rotates, thereby improving the winding efficiency of the winding die.

[0040] The operating principle of the present invention will now be further explained.

[0041] Before use, first disassemble the gear baffle plate 100 and the raceway ring 500, and then connect them to surround the core legs, and then connect the support plate 400, the gear baffle plate 100, the raceway ring 500, and the fixed plate 300 in sequence. Select the supply cylinder 200 according to the specifications of the foil strip or insulating material, and connect the supply cylinder 200 to the gear baffle plate 100. Connect the fixed plate 300 to the external equipment. Connect the gears in the gear baffle plate 100 to an external power device, rotate the gear baffle plate 100 in conjunction with the external equipment, and then rotate the supply cylinder 200 in conjunction with the external equipment to wind the foil strip or insulating material around the core legs, thereby realizing the winding of the foil strip or insulating material.

[0042] As can be seen from the above description, the first opening for arranging the core leg is provided in the center of the gear baffle plate 100 of the winding die of the present invention, the supply cylinder 200 is fixedly connected to the gear baffle plate 100, an external device is connected to the gear, and the gear is pulled to rotate the supply cylinder 200 in the gear baffle plate 100 around the core leg, thereby realizing the winding of the foil material or insulating material in the supply cylinder 200 around the core leg, and finally realizing the winding of the foil coil set. When winding the foil coil set using the winding die of the present application, it is only necessary to provide a power source for rotating the gear baffle plate 100 in an interlocking manner, and in addition to not needing a conventional foil coil winding machine, it is possible to simplify the winding process and reduce the manufacturing cost, and the versatility of the die can be further improved by changing the height of the supply cylinder 200, etc. By installing the fixed plate 300, the rotation plane is stabilized during the rotation process of the gear baffle plate 100, and the foil strip or insulating material is more stably wound, thereby improving the winding stability. The installation of the backing plate 400 reduces the friction with the gear baffle plate 100 during the winding process of the foil strip or insulating material, further prolongs the service life of the gear baffle plate 100, and ensures the quality of the coil set. The installation of the raceway ring 500 reduces the friction between the gear baffle plate 100 and the fixed plate 300, improves the rotation stability of the gear baffle plate 100, and prolongs the service life of the gear baffle plate 100 and the fixed plate 300.

[0043] Although the embodiments of the present invention have been described in detail above with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various modifications are possible within the scope of knowledge possessed by those skilled in the art without departing from the gist of the present invention. [Explanation of symbols]

[0044] 100 Gear baffle plate 110 Circular Orbit 111 2nd oil groove 200 Supply Cylinder 210 Inner cylinder 220 Outer Cylinder 300 Fixed plate 310 Support part 311 Boss 312 3rd connecting hole 320 Fixed part 400 Support plate 410 Friction plate 420 Connection plate 500 orbital ring 510 Groove 520 Second connection hole

Claims

1. a gear baffle plate having a first surface and a first opening at the center for locating the core leg; a supply cylinder disposed on a first surface of the gear baffle plate and connected to the gear baffle plate; a fixing plate including a support part and a fixing part fixedly connected to the support part, the fixing plate being rotatably connected to the second surface of the gear baffle plate via the support part, the fixing plate having a first connection hole formed in the fixing part for fixing to an external device; The number of the supply cylinders is multiple, and different materials are placed in different supply cylinders; The supply cylinder includes an outer cylinder and an inner cylinder that are movably connected, and the outer cylinder rotates about an axis of the inner cylinder; A winding die, characterized in that an external device is connected to a gear and pulls the gear to engage the supply cylinder at the gear baffle plate and rotate it around the core legs.

2. 2. The winding die of claim 1, wherein the gear baffle plate includes a first portion and a second portion that are removably connected.

3. 2. The winding die according to claim 1, further comprising a support plate including a friction plate having a second opening at its center, and a connecting plate disposed along the second opening and perpendicular to the friction plate.

4. 2. The winding die of claim 1, further comprising a raceway ring disposed between the gear baffle plate and the fixed plate, an annular raceway disposed on a second surface of the gear baffle plate, the raceway ring disposed on the annular raceway, and the raceway ring fixedly connected to the fixed plate.

5. 5. The winding die according to claim 4, wherein the raceway ring has a groove, the fixing plate has a boss, and the boss is disposed in the groove.

6. 6. The winding die according to claim 5, wherein a second connection hole is provided in the groove, a third connection hole is provided in the boss, and the second connection hole and the third connection hole are correspondingly provided.

7. 5. The winding die according to claim 4, wherein a first oil groove is provided on an outer wall of the raceway ring.

8. 5. The winding die according to claim 4, wherein a second oil groove is provided in the annular raceway.

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