Clamping tool for welding iron core coil

Abstract

The utility model discloses a kind of clamping tool for iron core coil welding, comprising: locating seat, first plate body, second plate body;The locating seat is annular, and the locating seat is used to be fixed to iron core;The first plate body is rotationally connected with locating seat, and the central axis of the first plate body is collinear with the central axis of locating seat, and a plurality of first limiting units are formed on the first plate body, and a plurality of the first limiting units are spaced apart along the circumferential direction of iron core;The second plate body is rotationally connected with locating seat, and the central axis of the second plate body is collinear with the central axis of locating seat, and a plurality of second limiting units are formed on the second plate body, and a plurality of the second limiting units are spaced apart along the circumferential direction of iron core;The number of the first limiting unit and the second limiting unit is same and one-to-one correspondence, and the utility model has the advantages of synchronous clamping multiple flat copper wire end, improve work efficiency.

Description

Technical Field

[0001] This utility model belongs to the technical field of motor production equipment, specifically relating to clamping mechanisms, and more particularly to a clamping fixture for welding iron core coils. Background Technology

[0002] In the production process of flat copper wire motors, after the positional shaping of multiple copper wires is completed, length trimming and welding operations need to be carried out sequentially. During welding, the ends of the two flat copper wires to be welded must be clamped tightly. However, flat copper wire motors are characterized by a large number of welding points and extremely tight spacing between them. Currently, the main clamping methods are manual hand-held grippers or robotic grippers, but these single clamping methods are not only inefficient, but also severely limit the clamping positions in actual operation, making it difficult to meet the needs of high-efficiency production. To solve these problems, a clamping fixture for welding iron core coils is proposed. Utility Model Content

[0003] This utility model aims to solve at least one of the technical problems existing in the prior art.

[0004] Therefore, this utility model proposes a clamping fixture for welding iron core coils. This clamping fixture has the advantage of simultaneously clamping the ends of multiple flat copper wires, thereby improving work efficiency.

[0005] A clamping fixture for welding iron core coils according to an embodiment of the present invention includes: a positioning seat, a first plate, and a second plate; the positioning seat is annular and is used to fix it to the iron core; the first plate is rotatably connected to the positioning seat, the central axis of the first plate is collinear with the central axis of the positioning seat, and a plurality of first limiting units are formed on the first plate, the plurality of first limiting units are spaced apart along the circumferential direction of the iron core, and the first limiting units are used to sleeve the ends of a plurality of flat copper wires arranged radially on the same side of the iron core; the second plate is rotatably connected to the positioning seat, the central axis of the second plate is collinear with the central axis of the positioning seat, and a plurality of second limiting units are formed on the second plate, the plurality of second limiting units are spaced apart along the circumferential direction of the iron core, and the second limiting units are used to sleeve the ends of a plurality of flat copper wires arranged radially on the same side of the iron core; the number of the first limiting units and the second limiting units are the same and correspond one-to-one, so that the clamping of the ends of the flat copper wires can be achieved by adjusting the overlapping area between the first limiting units and the second limiting units.

[0006] According to one embodiment of the present invention, the first limiting unit includes a first through hole, and the second limiting unit includes a second through hole, wherein the width of the first through hole and the width of the second through hole are both greater than the width of the end of the flat copper wire.

[0007] According to one embodiment of the present invention, a first guide block is formed on one side wall of the first through hole, and a second guide block is formed on one side wall of the second through hole. The first guide block and the second guide block are disposed opposite to each other. The first guide block gradually shrinks from one side wall of the first through hole toward the direction of the second guide block, and the second guide block gradually shrinks from one side wall of the second through hole toward the direction of the first guide block.

[0008] According to one embodiment of the present invention, there are multiple first guide blocks and multiple second guide blocks. The first guide blocks are spaced apart along the arrangement direction of the ends of the flat copper wires in the first through hole, and the multiple first guide blocks and multiple second guide blocks correspond one to one.

[0009] According to one embodiment of the present invention, a first protrusion is formed on one side of the first plate, a second protrusion is formed on one side of the second plate, and a groove is formed on the circumferential surface of the positioning seat, with the first and second protrusions passing through and protruding from the groove.

[0010] According to one embodiment of the present invention, the first protrusion is fixed with a first nut, the second protrusion is fixed with a second nut, the first nut is connected to a bolt, and the bolt is threadedly connected to the second nut.

[0011] According to one embodiment of the present invention, a boss is formed on the inner surface of the positioning seat, and the boss is used to overlap the upper surface of the iron core.

[0012] According to one embodiment of the present invention, the bottom of the positioning seat is provided with a positioning block, which is used to be embedded in the groove of the iron core sidewall.

[0013] According to one embodiment of the present invention, the number of positioning blocks is multiple, and the multiple positioning blocks correspond to multiple grooves on the side wall of the iron core.

[0014] According to one embodiment of the present invention, the lower surface of the boss and the upper surface of the positioning seat are both planes.

[0015] The beneficial effects of this utility model are that it adopts a first limiting unit and a second limiting unit respectively set on the first plate and the second plate. By adjusting the angle of the first plate and the second plate, the first limiting unit and the second limiting unit can clamp and release the ends of the flat copper wires, thereby realizing the simultaneous clamping and fixing of the ends of multiple flat copper wires on the iron core, improving the speed of clamping multiple ends of flat copper wires, and avoiding the phenomenon of interference between adjacent ends of flat copper wires when clamping individually.

[0016] Other features and advantages of this invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention.

[0017] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, preferred embodiments are described below in detail with reference to the accompanying drawings. Attached Figure Description

[0018] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the following description of the embodiments with accompanying drawings, in which:

[0019] Figure 1 This is a top view of the overall structure and the assembled state of the iron core of this utility model;

[0020] Figure 2 This is a bottom view of the overall structure and core assembly of this utility model;

[0021] Figure 3 This is a bottom view of the overall structure of this utility model;

[0022] Figure label:

[0023] 1. Positioning seat; 11. Boss; 12. Positioning block; 2. First plate; 21. First through hole; 22. First guide block; 23. First protrusion; 24. First nut; 3. Second plate; 31. Second through hole; 32. Second guide block; 33. Second protrusion; 34. Second nut; 4. Bolt. Detailed Implementation

[0024] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0025] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] The clamping fixture for welding iron core coils according to embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0028] like Figures 1-3 As shown, the clamping fixture for welding iron core coils according to an embodiment of the present invention includes: a positioning seat 1, a first plate 2, and a second plate 3; the positioning seat 1 is annular and is used to fix it to the iron core; the first plate 2 is rotatably connected to the positioning seat 1, the central axis of the first plate 2 is collinear with the central axis of the positioning seat 1, and a plurality of first limiting units are formed on the first plate 2, the plurality of first limiting units being spaced apart along the circumferential direction of the iron core, and the first limiting units being used to sleeve a plurality of flat copper wires arranged radially on the same side of the iron core. The end; the second plate 3 is rotatably connected to the positioning seat 1, the central axis of the second plate 3 is collinear with the central axis of the positioning seat 1, and multiple second limiting units are formed on the second plate 3. The multiple second limiting units are spaced apart along the circumferential direction of the iron core. The second limiting units are used to fit the ends of multiple flat copper wires arranged on the same side in the radial direction on the iron core; the number of the first limiting units and the second limiting units are the same and correspond one-to-one, so that the clamping of the ends of the flat copper wires can be achieved by adjusting the overlapping area between the first limiting units and the second limiting units.

[0029] In this embodiment, the first plate 2 and the second plate 3 are arranged sequentially along the central axis of the iron core. Both the first plate 2 and the second plate 3 can rotate along the circumference of the iron core. In the initial state, the first limiting unit and the second limiting unit are completely overlapped. At this time, the first limiting unit and the second limiting unit do not obstruct each other. The positioning seat 1 is sleeved on the end of the iron core with the flat copper wire end, so that the ends of multiple flat copper wires pass through the corresponding first limiting unit and the second limiting unit. Then, the first limiting unit and / or the second limiting unit are rotated so that the first limiting unit and the second limiting unit are gradually offset by a certain area to reduce the overlap space between the first limiting unit and the second limiting unit. The ends of the flat copper wires are clamped by the first limiting unit and the second limiting unit. Then, the ends of the flat copper wires are cut. After cutting, welding is performed. After welding is completed, the first limiting unit and the second limiting unit are reset so that the ends of the flat copper wires can be released from the first limiting unit and the second limiting unit. By setting a first limiting unit and a second limiting unit on the first plate 2 and the second plate 3 respectively, and adjusting the angle of the first plate 2 and the second plate 3, the first limiting unit and the second limiting unit can clamp and release the ends of the flat copper wires, thereby realizing the simultaneous clamping and fixing of the ends of multiple flat copper wires on the iron core, improving the speed of clamping multiple ends of flat copper wires, and avoiding the phenomenon of interference between adjacent ends of flat copper wires when clamping individually.

[0030] The first limiting unit includes a first through hole 21, and the second limiting unit includes a second through hole 31. The widths of the first through hole 21 and the second through hole 31 are both greater than the width of the end of the flat copper wire.

[0031] A first guide block 22 is formed on one side wall of the first through hole 21, and a second guide block 32 is formed on one side wall of the second through hole 31. The first guide block 22 and the second guide block 32 are arranged opposite to each other. The first guide block 22 gradually shrinks from one side wall of the first through hole 21 toward the second guide block 32, and the second guide block 32 gradually shrinks from one side wall of the second through hole 31 toward the first guide block 22.

[0032] There are multiple first guide blocks 22 and multiple second guide blocks 32. The first guide blocks 22 are arranged at intervals along the arrangement direction of the ends of the flat copper wires in the first through hole 21, and the multiple first guide blocks 22 and multiple second guide blocks 32 correspond one-to-one.

[0033] In this embodiment, when the first through hole 21 and the second through hole 31 completely overlap, sufficient space is provided for the end of the flat copper wire to facilitate its entry and exit. The first guide block 22 is used to separate two adjacent un-welded flat copper wire ends, bringing the flat copper wire end closer to the flat copper wire end to be welded with it. Figure 1As shown, the ends of multiple flat copper wires arranged radially on the same side of the iron core are divided into pairs. The ends of each pair of flat copper wires are welded together. The first guide block 22 and the second guide block 32 move the ends of the flat copper wires in the same group back and forth to bring them closer together, thereby clamping the ends of the flat copper wires in the same group. The left and right clamping of the ends of the flat copper wires is achieved through the sidewalls of the first through hole 21 and the second through hole 31. The shape of the first guide block 22 and the second guide block 32 is designed to facilitate insertion between the ends of two flat copper wires, thereby improving the clamping accuracy.

[0034] A first protrusion 23 is formed on one side of the first plate 2, and a second protrusion 33 is formed on one side of the second plate 3. A groove is formed on the circumferential surface of the positioning seat 1, and the first protrusion 23 and the second protrusion 33 both pass through and protrude from the groove.

[0035] In this embodiment, a guide groove is formed on the inner surface of the positioning seat 1. The first plate 2 and the second plate 3 are slidably connected to the inner surface of the guide groove. The angle of the first plate 2 and / or the second plate 3 can be adjusted by activating the first protrusion 23 and / or the second protrusion 33.

[0036] The first protrusion 23 is fixed with the first nut 24, the second protrusion 33 is fixed with the second nut 34, the first nut 24 is connected to the bearing with the bolt 4, and the bolt 4 is threadedly connected to the second nut 34.

[0037] In this embodiment, the distance between the first nut 24 and the second nut 34 is achieved by rotating the bolt 4, thereby driving the first plate 2 and the second plate 3 to adjust the angle between them.

[0038] The inner surface of the positioning seat 1 has a boss 11, which is used to overlap the upper surface of the iron core.

[0039] In this embodiment, the boss 11 is supported by the upper surface of the iron core, which avoids contact between the second plate 3 and the iron core and avoids wear on the iron core when the second plate 3 rotates.

[0040] The bottom of the positioning seat 1 is provided with a positioning block 12, which is used to be embedded in the groove of the iron core side wall. There are multiple positioning blocks 12, and the multiple positioning blocks 12 correspond to multiple grooves of the iron core side wall respectively.

[0041] It serves to position the positioning seat 1 when it is installed onto the iron core, while preventing the positioning seat 1 from moving when the angle of the first plate 2 and the second plate 3 is adjusted.

[0042] The lower surface of the boss 11 and the upper surface of the positioning seat 1 are both flat, so that the lower surface of the boss 11 and the upper surface of the positioning seat 1 can be used to accurately cut the end of the flat copper wire, ensuring the consistency of the height of the end of the flat copper wire on the iron core.

[0043] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0044] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An iron core coil welding clamp tool characterized by, include: Positioning seat (1), the positioning seat (1) is ring-shaped, the positioning seat (1) is used to fix to the iron core; First plate (2), the first plate (2) is rotatably connected to the positioning seat (1), the central axis of the first plate (2) is collinear with the central axis of the positioning seat (1), a plurality of first limiting units are formed on the first plate (2), the plurality of first limiting units are spaced apart along the circumferential direction of the iron core, and the first limiting units are used to fit the ends of a plurality of flat copper wires arranged on the same side in the radial direction on the iron core. The second plate (3) is rotatably connected to the positioning seat (1). The central axis of the second plate (3) is collinear with the central axis of the positioning seat (1). Multiple second limiting units are formed on the second plate (3). The multiple second limiting units are spaced apart along the circumferential direction of the iron core. The second limiting units are used to fit the ends of multiple flat copper wires arranged on the same side in the radial direction on the iron core. The number of the first limiting unit and the second limiting unit are the same and correspond one-to-one, so that the clamping of the end of the flat copper wire can be achieved by adjusting the overlapping area between the first limiting unit and the second limiting unit.

2. The core-coil welding clamping tool according to claim 1, characterized by The first limiting unit includes a first through hole (21), and the second limiting unit includes a second through hole (31). The widths of the first through hole (21) and the second through hole (31) are both greater than the width of the end of the flat copper wire.

3. The core-coil welding clamping tool according to claim 2, characterized by A first guide block (22) is formed on one side wall of the first through hole (21), and a second guide block (32) is formed on one side wall of the second through hole (31). The first guide block (22) and the second guide block (32) are arranged opposite to each other. The first guide block (22) gradually shrinks from one side wall of the first through hole (21) toward the second guide block (32), and the second guide block (32) gradually shrinks from one side wall of the second through hole (31) toward the first guide block (22).

4. The core-coil welding clamping tool according to claim 3, characterized by There are multiple first guide blocks (22) and multiple second guide blocks (32). The first guide blocks (22) are spaced apart along the arrangement direction of the ends of the flat copper wires in the first through hole (21). The multiple first guide blocks (22) and multiple second guide blocks (32) correspond one to one.

5. The core-coil welding clamping tool according to claim 1, characterized by A first protrusion (23) is formed on one side of the first plate (2), and a second protrusion (33) is formed on one side of the second plate (3). A groove is formed on the circumferential surface of the positioning seat (1), and the first protrusion (23) and the second protrusion (33) both pass through and protrude from the groove.

6. The core-coil welding clamping tool according to claim 5, wherein The first protrusion (23) is fixed with a first nut (24), the second protrusion (33) is fixed with a second nut (34), the first nut (24) is connected to a bolt (4) by a bearing, and the bolt (4) is threadedly connected to the second nut (34).

7. The core-coil welding clamping tool according to claim 1, wherein The inner surface of the positioning seat (1) is formed with a boss (11), which is used to overlap the upper surface of the iron core.

8. The core-coil welding clamping tool according to claim 1, wherein The bottom of the positioning seat (1) is provided with a positioning block (12), which is used to be embedded in the groove of the iron core sidewall.

9. The clamping fixture for welding iron core coils according to claim 8, characterized in that, The number of the positioning blocks (12) is multiple, and the multiple positioning blocks (12) correspond to multiple grooves on the side wall of the iron core.

10. The core-coil welding clamping tool according to claim 7, wherein The lower surface of the boss (11) and the upper surface of the positioning seat (1) are both planes.

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