Flat wire winding device

Abstract

The utility model relates to the technical field of winding machines, in particular to a flat wire winding device which comprises a rotating assembly and a moving assembly, the rotating assembly comprises a rotating winding forming die formed by sequentially stacking a movable die, an inner core die and a bottom die, the rotating assembly is used for enabling the movable die to rotate relative to the bottom die, and a flat wire is wound on the outer ring of the inner core die; the upper surface of the bottom die is provided with a first wedge-shaped notch used for placing the end of a flat wire, the outer side of the first wedge-shaped notch is provided with a flat wire baffle, the lower surface of the movable die is also provided with a second wedge-shaped notch used for containing the flat wire, and a flat wire guide column is arranged outside the second wedge-shaped notch; the moving assembly comprises a rotating shaft fixing plate, one end of the rotating fixing shaft is connected with the rotating shaft fixing plate, a top plate is arranged above the rotating shaft fixing plate, and a lead screw is arranged between the top plate and the rotating shaft fixing plate. According to the flat wire winding device, flat wires can be prevented from falling off while winding is conducted, and the device is simple and low in cost.

Description

Technical Field

[0001] The utility model relates to the technical field of winding machines, in particular to a flat wire winding device. Background Art

[0002] At present, the stators of multi-pole motors are mostly wound by using round copper wire in a multi-stage and multi-strand manner. The motor stators wound by round copper wire have low power and are not suitable for use in some high-power motors. Therefore, motor stators wound by square flat wires have emerged, which are more efficient under low-speed conditions.

[0003] However, in the current design of flat wire winding devices, such as the winding machine disclosed in Chinese patent publication No. CN102223029B, and the winding device and winding method of a flat vertical coil disclosed in Chinese patent publication No. CN103489623B, the rotating winding device and the wire feeding mechanism for preventing the flat wire from falling off are designed as separate mechanisms according to the assembly line steps, resulting in the overall winding device being more complicated and the equipment cost being higher. Utility Model Content

[0004] The utility model aims to provide a flat wire winding device which can prevent the flat wire from falling off during winding, and the device is simple and has low cost.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A flat wire winding device comprises a rotating assembly and a moving assembly, wherein the rotating assembly comprises a rotating winding forming mold which is formed by stacking a movable mold, an inner core mold and a bottom mold in sequence, wherein the bottom mold is mounted on a bottom plate through a mold fixing block, and two ends of the inner core mold are respectively arranged in the bottom mold and the movable mold, and the upper end of the movable mold is connected with a rotating fixed shaft and a first driving device which drives the rotating fixed shaft to rotate, so as to make the movable mold rotate relative to the bottom mold, and the flat wire is wound around the outer ring of the inner core mold; a first wedge-shaped incision for placing the flat wire end is provided on the upper surface of the bottom mold, a flat wire baffle is provided on the outer side of the first wedge-shaped incision, and a second wedge-shaped incision for accommodating the flat wire is also provided on the lower surface of the movable mold, and a flat wire guide column is provided outside the second wedge-shaped incision; the moving assembly comprises a rotating shaft fixing plate, one end of the rotating fixed shaft is connected to the rotating shaft fixing plate, a top plate is provided above the rotating shaft fixing plate, a screw rod is provided between the top plate and the rotating shaft fixing plate, one end of the screw rod is connected to the rotating shaft fixing plate, and the other end passes through the top plate and is connected to the second driving device.

[0007] Preferably, a connecting shaft is further provided between the movable mold and the rotating fixed shaft.

[0008] Preferably, the top plate and the rotating shaft fixing plate are connected via a plurality of movable shafts.

[0009] Preferably, a connecting plate is further provided between the top plate and the bottom plate.

[0010] Preferably, a through insertion hole is provided on the movable mold, and the flat wire guide pin is inserted into the insertion hole.

[0011] The beneficial effects of the utility model are as follows: a first wedge-shaped cutout and a second wedge-shaped cutout for accommodating the flat wire are respectively arranged on the bottom mold and the movable mold; a flat wire baffle is arranged outside the first wedge-shaped cutout, and a accommodating space is formed between the flat wire baffle and the inner side of the first wedge-shaped cutout to prevent the flat wire end from popping out and falling off; a flat wire guide post is arranged outside the second wedge-shaped cutout, and a accommodating space is formed between the flat wire guide post and the inner side of the second wedge-shaped cutout; when the rotating component is rotating and winding, a accommodating space is formed between the flat wire guide post and the inner side of the second wedge-shaped cutout to directly guide the flat wire, and prevent the flat wire from twisting and bending during the winding process; the device of the application has a simple structural design and low cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 It is a schematic diagram of the three-dimensional structure of the rotating assembly of the utility model;

[0015] Markings in the figure: 1 is a rotating component, 2 is a moving component, 3 is a bottom plate, 4 is a flat wire, 5 is a top plate, 6 is a connecting shaft, 7 is a connecting plate, 11 is a movable mold, 12 is an inner core mold, 13 is a bottom mold, 14 is a mold fixing block, 15 is a rotating fixed shaft, 16 is a first wedge-shaped incision, 17 is a flat wire baffle, 18 is a second wedge-shaped incision, 19 is a flat wire guide column, 21 is a rotating shaft fixing plate, 22 is a screw rod, and 23 is a movable shaft. DETAILED DESCRIPTION

[0016] like Figure 1 and Figure 2A flat wire winding device shown in the figure includes a rotating component 1 and a moving component 2. The rotating component 1 includes a rotating winding forming mold composed of a movable mold 11, an inner core mold 12 and a bottom mold 13 which are stacked in sequence. The bottom mold 13 is installed on the bottom plate 3 through a mold fixing block 14. The two ends of the inner core mold 12 are respectively arranged in the bottom mold 13 and the movable mold 11. The upper end of the movable mold 11 is connected to a rotating fixed shaft 15 and a first driving device that drives the rotating fixed shaft 15 to rotate. The first driving device is not shown in the figure and is used to rotate the movable mold 11 relative to the bottom mold 13. The flat wire 4 is wound around the outer ring of the inner core mold 12. In a specific embodiment, a connecting shaft 6 is also arranged between the movable mold 11 and the rotating fixed shaft 15 to facilitate the replacement of the movable mold 11.

[0017] The first driving device drives the rotating fixed shaft 15 to rotate. The rotating fixed shaft 15 is connected to the movable mold 11. The movable mold 11 is connected to the inner core mold 12. Therefore, the first driving device drives the movable mold 11 and the inner core mold 12 to rotate together. The flat wire 4 is wound around the outer ring of the inner core mold 12, and the flat wire 4 is wound along the inner core mold 12.

[0018] A first wedge-shaped cutout 16 for placing the end of the flat wire 4 is provided on the upper surface of the bottom mold 13, and a flat wire baffle 17 is provided on the outer side of the first wedge-shaped cutout 16. A second wedge-shaped cutout 18 for accommodating the flat wire 4 is also provided on the lower surface of the movable mold 11, and a flat wire guide column 19 is provided on the outer side of the second wedge-shaped cutout 18. A through-hole is provided on the movable mold 11, and the flat wire guide column 19 is inserted in the hole; a flat wire baffle 17 is provided on the outer side of the first wedge-shaped cutout 16, and the flat wire baffle 17 and the inner side of the first wedge-shaped cutout 16 form an accommodating space to prevent the end of the flat wire 4 from popping out and falling off, a flat wire guide column 19 is provided on the outer side of the second wedge-shaped cutout 18, and the flat wire guide column 19 and the inner side of the second wedge-shaped cutout 18 form an accommodating space. When the rotating component 1 performs rotational winding, the flat wire guide column 19 and the inner side of the second wedge-shaped cutout 18 form an accommodating space to directly guide the flat wire 4 to prevent the flat wire 4 from twisting and bending during the winding process.

[0019] During operation, the flat wire 4 is placed in the accommodation space formed by the flat wire baffle 17 and the inner side of the first wedge-shaped cutout 16 , the movable mold 1 moves downward and cooperates with the bottom mold 13 to press the flat wire, and the rotating component 1 then cooperates with the moving component 2 to rotate and rise to wind the flat wire 4 .

[0020] The moving component 2 includes a rotating shaft fixing plate 21, one end of the rotating fixed shaft 15 is connected to the rotating shaft fixing plate 21, a top plate 5 is arranged above the rotating shaft fixing plate 21, and a connecting plate 7 is also arranged between the top plate 5 and the bottom plate 1; a screw rod 22 is arranged between the top plate 5 and the rotating shaft fixing plate 21, one end of the screw rod 22 is connected to the rotating shaft fixing plate 21, and the other end passes through the top plate 5 and is connected to the second driving device, which is not shown in the figure. The top plate 5 and the rotating shaft fixing plate 21 are also connected by multiple movable shafts 23, so that the rotating shaft fixing plate 21 is more stable when driving the rotating component 1 to rise.

[0021] The second driving device drives the screw rod 22 to move, thereby driving the rotating shaft fixing plate to move up and down, and the rotating shaft fixing plate 21 and the rotating fixed shaft 15, thereby realizing the movable mold 11 to rotate and rise during the winding process, thereby winding the flat wire; in actual use, the size of the movable mold 11, the bottom mold 13 and the diameter of the inner core mold 12 can be replaced according to actual use needs.

[0022] The above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A flat wire winding device, characterized in that: It includes a rotating component and a moving component, the rotating component includes a rotating winding forming mold composed of a movable mold, an inner core mold and a bottom mold stacked in sequence, the bottom mold is installed on the bottom plate through a mold fixing block, the two ends of the inner core mold are respectively arranged in the bottom mold and the movable mold, the upper end of the movable mold is connected with a rotating fixed shaft and a first driving device that drives the rotating fixed shaft to rotate, which is used to make the movable mold rotate relative to the bottom mold, and the flat wire is wound around the outer ring of the inner core mold; the upper surface of the bottom mold is provided with a first wedge-shaped incision for placing the flat wire end, the outer side of the first wedge-shaped incision is provided with a flat wire baffle, the lower surface of the movable mold is also provided with a second wedge-shaped incision for accommodating the flat wire, and the outer side of the second wedge-shaped incision is provided with a flat wire guide column; the moving component includes a rotating shaft fixing plate, one end of the rotating fixed shaft is connected to the rotating shaft fixing plate, a top plate is provided above the rotating shaft fixing plate, a screw rod is provided between the top plate and the rotating shaft fixing plate, one end of the screw rod is connected to the rotating shaft fixing plate, and the other end passes through the top plate and is connected to the second driving device.

2. A flat wire winding device according to claim 1, characterized in that: A connecting shaft is also arranged between the movable mold and the rotating fixed shaft.

3. A flat wire winding device according to claim 1, characterized in that: The top plate and the rotating shaft fixing plate are also connected via a plurality of movable shafts.

4. A flat wire winding device according to claim 1, characterized in that: A connecting plate is also arranged between the top plate and the bottom plate.

5. A flat wire winding device according to claim 1, characterized in that: The movable mold is provided with a through insertion hole, and the flat wire guide pin is inserted into the insertion hole.

Images