Bending tool for flat wire motor

Abstract

The utility model discloses a bending tool for a flat wire motor. The bending tool comprises a base, a forming unit, two transmission units, a cutting unit and a first distance measuring unit. The forming unit comprises a limiting frame, a shaping seat and a stamping block, the limiting frame and the shaping seat are oppositely arranged, the limiting frame is fixedly connected with the base, the shaping seat is slidably connected to the base in the arrangement direction of the limiting frame, and an opening is formed in the end, facing the shaping seat, of the limiting frame; the shaping base can be embedded into the limiting frame through the opening, the stamping block is located above the limiting frame, the two conveying units are located on the two sides of the limiting frame respectively and are oppositely arranged, the cutting unit is arranged on one conveying unit, and the first distance measuring unit is arranged on the other conveying unit. The bending device has the advantage of improving the bending speed.

Description

Technical Field

[0001] The utility model belongs to the technical field of flat copper wire forming, and in particular relates to a bending tool for a flat wire motor. Background Art

[0002] Flat wire motors can achieve a significant increase in motor slot fill rate due to their flat structure, thereby increasing the motor's power density and improving the motor's performance. Current bending equipment mostly uses sequential bending during the movement of flat copper wires, which has high precision and good forming effect, but the sequential bending speed is slow. Therefore, in order to increase the production speed, a bending tool for flat wire motors is proposed. Utility Model Content

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

[0004] To this end, the utility model provides a bending tool for a flat wire motor, which has the advantage of improving the bending speed.

[0005] According to the embodiment of the utility model, the bending tool for flat wire motor includes: a base, a molding unit, two transmission units, a cutting unit and a first distance measuring unit; the molding unit includes a limit frame, a molding seat and a punching block, the limit frame and the molding seat are arranged relatively, the limit frame is fixedly connected to the base, the molding seat is slidably connected to the base along the arrangement direction of the limit frame, an opening is formed at one end of the limit frame facing the molding seat, the molding seat can be embedded in the limit frame through the opening to punch the flat copper wire in the horizontal direction, the punching block is located above the limit frame, and when the molding seat is embedded in the molding seat, the punching block is used to punch the flat copper wire in the vertical direction, the two transmission units are respectively located on both sides of the limit frame, the two transmission units are arranged relatively, and the two transmission units are used to transport the flat copper wire to the molding unit, the cutting unit is arranged on one transmission unit to cut the flat copper wire, the first distance measuring unit is arranged on the other transmission unit, and the first distance measuring unit is used to measure the moving distance of the flat copper wire.

[0006] According to one embodiment of the utility model, a first shaping platform is formed on the side wall of the shaping seat, and the first shaping platform is located below the flat copper wire. When the shaping seat is embedded in the limit frame, the shaping seat supports the flat copper wire and embeds it into the limit frame. The inner surface of the flat copper wire fits with the shaping seat, and the outer surface of the flat copper wire fits with the inner surface of the limit frame.

[0007] According to an embodiment of the utility model, a second molding platform is formed on the lower surface of the punching block, and the second molding platform is arranged opposite to the first molding platform. The second molding platform is used to punch the flat copper wire so that the lower surface of the flat copper wire fits with the first molding platform.

[0008] According to an embodiment of the utility model, two rollers are provided on the inner surface of the limiting frame, and the two rollers are respectively located on two sides of the opening end of the limiting frame.

[0009] According to an embodiment of the utility model, two second distance measuring units are provided on the first shaping table, and the two second distance measuring units are respectively located on both sides of the shaping seat, and the second distance measuring units are used to detect the length dimensions of the two ends of the flat copper wire during shaping.

[0010] According to an embodiment of the utility model, the transmission unit includes two rows of rollers, the two rows of rollers are arranged opposite to each other, and the two sides of the flat copper wire are respectively connected to the two rows of rollers in a rolling manner.

[0011] According to an embodiment of the utility model, bosses are formed at both upper and lower ends of the roller, and the two bosses are located on the circumferential surface of the roller. The upper and lower ends of the flat copper wire are respectively connected to the two bosses in a rolling manner.

[0012] According to an embodiment of the utility model, a slide module is provided on the base, the shaping seat is provided on the output end of the slide module, and the slide module is used to drive the shaping seat to move linearly back and forth.

[0013] The beneficial effect of the utility model is that the utility model adopts the limit frame, the shaping seat and the punching block to realize the synchronous bending of the flat copper wire in the horizontal direction and the bending forming in the vertical direction, so compared with the gradual bending of each bending part of the flat copper wire, the bending speed is improved;

[0014] The first distance measuring unit is used to detect whether the distance from one end of the flat copper wire close to the first distance measuring unit to the limit frame is the same as the distance from the cutting unit to the limit frame, so that the limit frame and the forming seat are located in the center position of the section of flat copper wire. The moving distance of the flat copper wire is detected by the first distance measuring unit, thereby improving the consistency of the length of the two ends of the flat copper wire after bending.

[0015] Other features and advantages of the present invention will be set forth in the following description, and in part will become apparent from the description, or may be understood by implementing the present invention.

[0016] In order to make the above-mentioned objects, features and advantages of the present invention more obvious and easy to understand, preferred embodiments are given below and described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the following description of the embodiments of the present invention, in which:

[0018] Figure 1 This is a schematic diagram of the state of the integral transmission unit of the utility model transporting flat copper wire;

[0019] Figure 2 This is a schematic diagram of the state of the forming unit of the utility model punching flat copper wire;

[0020] Figure 3 It is an enlarged schematic diagram of area A of the utility model;

[0021] Figure 4 It is a schematic diagram of the structure of the flat copper wire and the first shaping table of the utility model;

[0022] Reference numerals:

[0023] 1. Base; 11. First distance measuring unit; 12. Cutting unit; 13. Roller; 131. Boss; 14. Slide module; 21. Limit frame; 211. Roller; 22. Forming seat; 221. First forming platform; 2211. Second distance measuring unit; 23. Punching block; 231. Second forming platform; 3. Flat copper wire. DETAILED DESCRIPTION

[0024] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0025] In the description of the present utility model, it is necessary to understand that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The following is a detailed description of the bending tool for a flat wire motor according to an embodiment of the utility model with reference to the accompanying drawings.

[0028] like Figure 1-Figure 4 As shown, according to the embodiment of the utility model, the bending tool for the flat wire motor includes: a base 1, a molding unit, two transmission units, a cutting unit 12 and a first distance measuring unit 11; the molding unit includes a limit frame 21, a molding seat 22 and a punching block 23, the limit frame 21 and the molding seat 22 are arranged oppositely, the limit frame 21 is fixedly connected to the base 1, the molding seat 22 is slidably connected to the base 1 along the arrangement direction of the limit frame 21, and an opening is formed at one end of the limit frame 21 facing the molding seat 22, and the molding seat 22 can be embedded in the limit frame 21 through the opening, so as to The flat copper wire 3 is punched in the horizontal direction, and the punching block 23 is located above the limit frame 21. When the forming seat 22 is embedded in the forming seat 22, the punching block 23 is used to punch the flat copper wire 3 in the vertical direction. The two transmission units are respectively located on both sides of the limit frame 21. The two transmission units are arranged opposite to each other. The two transmission units are used to transport the flat copper wire 3 to the forming unit. The cutting unit 12 is arranged on one transmission unit to cut the flat copper wire 3. The first distance measuring unit 11 is arranged on the other transmission unit. The first distance measuring unit 11 is used to measure the moving distance of the flat copper wire 3.

[0029] In this embodiment, in the initial state, the limit frame 21 and the shaping seat 22 are completely separated, and the gap between the limit frame 21 and the shaping seat 22 is for the flat copper wire 3 to pass through, and the flat copper wire 3 is transmitted from one transmission unit to another transmission unit. Since the two transmission units are respectively located on both sides of the limit frame 21, the two transmission units do not affect the shaping seat 22 from pushing the flat copper wire 3 into the shaping seat 22 when transporting the flat copper wire 3 to a certain position. The limit frame 21, the shaping seat 22 and the punching block 23 realize the synchronous bending of the flat copper wire 3 in the horizontal direction and the bending and forming in the vertical direction. Compared with gradually bending each bending part of the flat copper wire 3, the bending speed is improved. The first distance measuring unit 11 is used to detect whether the distance from one end of the flat copper wire 3 gradually approaching the first distance measuring unit 11 to the limit frame 21 is the same as the distance from the cutting unit 12 to the limit frame 21. When the two distances are the same, the transmission unit stops conveying the flat copper wire 3, and the cutting unit 12 cuts off the flat copper wire 3 at the same time, so that the limit frame 21 and the shaping seat 22 are located in the center position of the section of flat copper wire 3. The moving distance of the flat copper wire 3 is detected by the first distance measuring unit 11, thereby improving the consistency of the lengths of the two ends of the flat copper wire 3 after bending.

[0030] A first shaping platform 221 is formed on the side wall of the shaping seat 22, and the first shaping platform 221 is located below the flat copper wire 3. When the shaping seat 22 is embedded in the limiting frame 21, the shaping seat 22 supports the flat copper wire 3 and embeds it into the limiting frame 21. The inner surface of the flat copper wire 3 fits with the shaping seat 22, and the outer surface of the flat copper wire 3 fits with the inner surface of the limiting frame 21.

[0031] In this embodiment, when the shaping seat 22 embeds the flat copper wire 3 into the limiting frame 21, the punching block 23 is close to the upper surface of the limiting frame 21. The upper and lower ends of the flat copper wire 3 are limited by the first shaping table 221 and the punching block 23, thereby preventing the flat copper wire 3 from escaping from the limiting frame 21, so as to ensure the horizontal stamping of the flat copper wire 3.

[0032] A second shaping platform 231 is formed on the lower surface of the punching block 23 . The second shaping platform 231 is arranged opposite to the first shaping platform 221 . The second shaping platform 231 is used to punch the flat copper wire 3 so that the lower surface of the flat copper wire 3 fits the first shaping platform 221 .

[0033] In this embodiment, the second shaping table 231 matches the first shaping table 221 . When punching the flat copper wire 3 , the second shaping table 231 presses the flat copper wire 3 downward in the limiting frame 21 to complete the vertical punching of the flat copper wire 3 .

[0034] Two rollers 211 are disposed on the inner surface of the limiting frame 21 , and the two rollers 211 are respectively located at two sides of the opening end of the limiting frame 21 .

[0035] In this embodiment, the circumferential surfaces of the two rollers 211 are tangent to the inner surface of the limit frame 21, and an arc chamfer is formed at the open end of the limit frame 21, so that when the shaping seat 22 embeds the flat copper wire 3 into the limit frame 21, the open end of the limit frame 21 avoids the flat copper wire 3. At the same time, the circumferential surface of the roller 211 contacts the flat copper wire 3, avoiding hard contact with the open end of the limit frame 21 when the flat copper wire 3 is bent from a straight state, resulting in scratches on the flat copper wire 3 or jamming, thereby ensuring the smoothness of the movement of the flat copper wire 3 and further improving the consistency of the length of the two ends of the flat copper wire 3 after bending.

[0036] Two second distance measuring units 2211 are provided on the first shaping table 221 . The two second distance measuring units 2211 are respectively located on both sides of the shaping seat 22 . The second distance measuring units 2211 are used to detect the length dimensions of the two ends of the rectangular copper wire 3 during shaping.

[0037] In this embodiment, the two second distance measuring units 2211 are located at one end away from the limit frame 21, and the two second distance measuring units 2211 respectively face the two ends of the flat copper wire 3 after forming. After the punching block 23 punches the flat copper wire 3, the two second distance measuring units 2211 respectively detect the distance between it and the flat copper wire 3, so as to judge the length difference between the two ends of the flat copper wire 3 after forming, so as to facilitate the staff to read the data and remove defective products in time, saving work steps and reducing labor costs.

[0038] Both the first distance measuring unit 11 and the second distance measuring unit 2211 can adopt an infrared rangefinder or a laser rangefinder.

[0039] The transmission unit comprises two rows of rollers 13 , which are arranged opposite to each other, and two sides of the flat copper wire 3 are respectively connected to the two rows of rollers 13 in a rolling manner.

[0040] Bosses 131 are formed at both upper and lower ends of the roller 13 . The two bosses 131 are located on the circumferential surface of the roller 13 . The upper and lower ends of the rectangular copper wire 3 are respectively connected to the two bosses 131 in a rolling manner.

[0041] In this embodiment, the roller 13 can be driven by a bidirectional motor to complete the task of conveying the flat copper wire 3. By providing two rows of rollers 13 and a boss 131 that is rollingly connected to the upper and lower surfaces of the flat copper wire 3, the flat copper wire 3 can be guided while avoiding wear on the surface of the flat copper wire 3.

[0042] A slide module 14 is disposed on the base 1 , and a shaping seat 22 is disposed on an output end of the slide module 14 . The slide module 14 is used to drive the shaping seat 22 to move linearly back and forth.

[0043] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

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

Claims

1. A bending tool for a flat wire motor, characterized in that: include: Base (1); A molding unit, the molding unit comprising a limit frame (21), a molding seat (22) and a punching block (23), the limit frame (21) and the molding seat (22) being arranged opposite to each other, the limit frame (21) being fixedly connected to the base (1), the molding seat (22) being slidably connected to the base (1) along the arrangement direction of the limit frame (21), an opening being formed at one end of the limit frame (21) facing the molding seat (22), the molding seat (22) being able to be embedded in the limit frame (21) through the opening so as to punch the flat copper wire (3) in the horizontal direction, the punching block (23) being located above the limit frame (21), and when the molding seat (22) is embedded in the molding seat (22), the punching block (23) is used to punch the flat copper wire (3) in the vertical direction; Two transmission units, the two transmission units are respectively located on two sides of the limiting frame (21), the two transmission units are arranged opposite to each other, and the two transmission units are used to transport the flat copper wire (3) to the forming unit; A cutting unit (12), the cutting unit (12) being arranged on a transmission unit and used for cutting the flat copper wire (3); A first distance measuring unit (11), the first distance measuring unit (11) is arranged on another transmission unit, and the first distance measuring unit (11) is used to measure the moving distance of the flat copper wire (3).

2. The bending tool for flat wire motor according to claim 1, characterized in that: A first shaping platform (221) is formed on the side wall of the shaping seat (22). The first shaping platform (221) is located below the flat copper wire (3). When the shaping seat (22) is embedded in the limiting frame (21), the shaping seat (22) supports the flat copper wire (3) and embeds it into the limiting frame (21). The inner surface of the flat copper wire (3) fits with the shaping seat (22), and the outer surface of the flat copper wire (3) fits with the inner surface of the limiting frame (21).

3. The bending tool for flat wire motor according to claim 2, characterized in that: A second shaping platform (231) is formed on the lower surface of the punching block (23), the second shaping platform (231) being arranged opposite to the first shaping platform (221), and the second shaping platform (231) being used for punching the flat copper wire (3) so that the lower surface of the flat copper wire (3) is in contact with the first shaping platform (221).

4. The bending tool for flat wire motor according to claim 3, characterized in that: The inner surface of the limiting frame (21) is provided with two rollers (211), and the two rollers (211) are respectively located on two sides of the opening end of the limiting frame (21).

5. The bending tool for flat wire motor according to claim 4, characterized in that: Two second distance measuring units (2211) are provided on the first shaping table (221), and the two second distance measuring units (2211) are respectively located on two sides of the shaping seat (22), and the second distance measuring units (2211) are used to detect the length dimensions of the two ends of the flat copper wire (3) during shaping.

6. The bending tool for flat wire motor according to claim 5, characterized in that: The transmission unit comprises two rows of rollers (13), the two rows of rollers (13) are arranged opposite to each other, and the two sides of the flat copper wire (3) are respectively connected to the two rows of rollers (13) in a rolling manner.

7. The bending tool for flat wire motor according to claim 6, characterized in that: Bosses (131) are formed at both upper and lower ends of the roller (13), and the two bosses (131) are both located on the circumferential surface of the roller (13). The upper and lower ends of the flat copper wire (3) are respectively connected to the two bosses (131) in a rolling manner.

8. The bending tool for flat wire motor according to claim 7, characterized in that: The base (1) is provided with a slide module (14), the shaping seat (22) is provided on the output end of the slide module (14), and the slide module (14) is used to drive the shaping seat (22) to move linearly back and forth.

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