A runway type flat copper wire coil bending jig

Abstract

The utility model discloses a racecourse type flat copper wire coil bending jig belongs to coil processing technical field, and this jig includes bending base, bending handle, two coil fixed column and copper wire limiting block, and the bending handle is hinged in the upper surface of bending base through first hinging shaft, and the upper surface of bending base is equipped with one strip distance adjusting hole, and two coil fixed columns are installed in the strip distance adjusting hole, and two coil fixed columns are used to suit the racecourse type flat copper wire coil of fixed wire end and wait to bend, and the bending handle is equipped with the step, and the step is located in the side of bending handle and the step extends to the end of bending handle, and the end of step is coil bending stress point, and the copper wire limiting block is hinged in the upper surface of bending handle through second hinging shaft. The structure above is adopted in the application, has the characteristics such as simple structure, convenient and easy to use, copper wire bending angle unification.

Description

Technical Field

[0001] This utility model relates to the field of coil processing technology, specifically to a racetrack-shaped flat copper wire coil bending fixture. Background Technology

[0002] Existing tooling methods include manual bending, which relies mainly on manual operation and uses tools such as bench vises, adjustable wrenches, and self-made fixtures to complete the coil bending process; and mechanical bending, which uses specialized equipment for the batch bending and shaping of coils.

[0003] Existing fixtures have limitations in controlling the size and shape of bent coils, leading to damage to the coil coating and excessive deformation at the bending point, which seriously affects product quality and reliability. Utility Model Content

[0004] The purpose of this utility model is to provide a racetrack-shaped flat copper wire coil bending fixture with a simple structure, easy to use, and uniform copper wire bending angle.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: A racetrack-shaped flat copper wire coil bending fixture includes a bending base, a bending handle, two coil fixing posts, and a copper wire limiting block. The bending handle is hinged to the upper surface of the bending base via a first hinge shaft. The upper surface of the bending base has an elongated distance adjustment hole. The two coil fixing posts are vertically installed in the elongated distance adjustment hole and are used to fix the racetrack-shaped flat copper wire coil whose wire end is to be bent. The bending handle has a step located on one side of the bending handle and extending to the end of the bending handle. The end of the step is the coil bending force point. The copper wire limiting block is hinged to the upper surface of the bending handle via a second hinge shaft and is used to press down the wire end of the racetrack-shaped flat copper wire coil to be bent.

[0006] Furthermore, the bending base is provided with a limiting post, which is used to limit the maximum rotation angle of the bending handle.

[0007] Furthermore, the bending base is provided with a planar groove, and the bending handle is hinged to the planar groove on the upper surface of the bending base via a first hinge shaft.

[0008] Furthermore, the limiting post is an adjusting bolt, and a long strip-shaped position adjusting hole is provided in the flat groove on the bent base. The adjusting bolt passes through the long strip-shaped position adjusting hole and is threadedly connected to the adjusting nut.

[0009] Furthermore, the copper wire limiting block has an L-shaped structure.

[0010] Furthermore, the two coil fixing posts are cylindrical structures, and the diameter of the coil fixing posts is larger than the gap of the elongated distance adjustment hole. A screw hole is opened on the lower end face of the coil fixing posts, and the spacing adjustment screw passes through the elongated distance adjustment hole and is threadedly connected to the screw hole. By adjusting the spacing of the two coil fixing posts, racetrack-shaped flat copper wire coils of different sizes can be adapted.

[0011] Furthermore, of the two coil fixing posts, a portion of one coil fixing post is located above the planar groove.

[0012] Furthermore, a clearance notch is provided at the lower end of the coil fixing post and above the planar groove, and the end of the step can extend into the clearance notch.

[0013] Furthermore, the first hinge shaft and the second hinge shaft are respectively fitted with a large bushing and a small bushing.

[0014] The beneficial effects of this utility model are as follows: This application adopts the above-mentioned structure, which has the characteristics of simple structure, easy to use, and uniform copper wire bending angle. It solves the problems of poor control of size and shape, easy damage to coil paint and excessive deformation at bending position after bending with existing jigs. Attached Figure Description

[0015] The present invention will be further described with reference to the accompanying drawings, but the embodiments in the drawings do not constitute any limitation on the present invention. For those skilled in the art, other drawings can be obtained based on the following drawings without creative effort: Figure 1 This is an exploded view of the present invention; Figure 2 for Figure 1 The diagram shows the assembled structure. Figure 3 for Figure 1 The diagram shows the structure of the coil fixing post.

[0016] In the diagram: 1. Bending base; 2. Bending handle; 3. Coil fixing post; 4. Copper wire limiting block; 5. First hinge shaft; 6. Long strip-shaped distance adjustment hole; 7. Step; 8. Coil bending force point; 9. Second hinge shaft; 10. Limiting post; 11. Flat groove; 12. Long strip-shaped position adjustment hole; 13. Adjusting nut; 14. Screw hole; 15. Spacing adjustment screw; 16. Clearance notch groove; 17. Large bushing; 18. Small bushing. Detailed Implementation

[0017] To enable those skilled in the art to better understand the technical solution of this utility model, the present utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments. It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of this application can be combined with each other.

[0018] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper surface", "lower surface", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "forward", "reverse", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to 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.

[0019] like Figure 1 , 2 As shown, a racetrack-shaped flat copper wire coil bending fixture includes a bending base 1, a bending handle 2, two coil fixing posts 3, and a copper wire limiting block 4, wherein the copper wire limiting block 4 has an L-shaped structure. The bending handle 2 is hinged to the upper surface of the bending base 1 via a first hinge shaft 5. The upper surface of the bending base 1 is provided with a long strip-shaped distance adjustment hole 6. The two coil fixing posts 3 are vertically installed in the long strip-shaped distance adjustment hole 6. The two coil fixing posts 3 are used to fix the racetrack-shaped flat copper wire coil whose wire end is to be bent. The bending handle 2 is provided with a step 7, which is located on one side of the bending handle 2 and extends to the end of the bending handle 2. The end of the step is the coil bending force point 8. The copper wire limiting block 4 is hinged to the upper surface of the bending handle 2 via a second hinge shaft 9. The copper wire limiting block 4 is used to press down the wire end of the racetrack-shaped flat copper wire coil to be bent. The first hinge shaft 5 and the second hinge shaft 9 are respectively fitted with a large bushing 17 and a small bushing 18. The large bushing 17 and the small bushing 18 are wear-resistant and can protect the first hinge shaft 5 and the second hinge shaft 9.

[0020] Specifically, the bending base 1 is provided with a flat groove 11, and the bending handle 2 is hinged to the flat groove 11 on the upper surface of the bending base through the first hinge shaft 5.

[0021] The bending base 1 is provided with a limiting post 10, which is used to limit the maximum rotation angle of the bending handle. The limiting post 10 is an adjusting bolt. The flat groove 11 on the bending base 1 is provided with an elongated position adjusting hole 12. The adjusting bolt passes through the elongated position adjusting hole 12 and is threadedly connected to the adjusting nut 13.

[0022] like Figure 3 As shown, the two coil fixing posts 3 are cylindrical structures, and the diameter of the coil fixing posts 3 is larger than the gap of the elongated distance adjustment hole 6. A screw hole 14 is opened on the lower end face of each coil fixing post 3. The spacing adjustment screw 15 passes through the elongated distance adjustment hole 6 and is threaded into the screw hole 14. By adjusting the spacing of the two coil fixing posts 3, different sizes of racetrack-shaped flat copper wire coils can be accommodated. A portion of one of the coil fixing posts 3 is located above the planar groove 11. An avoidance notch 16 is provided at the lower end of the coil fixing post 3, above the planar groove, and the end of the step 7 can extend into the avoidance notch 16.

[0023] Working principle: The step 7 on one side of the front end of the bending handle 2 blocks the copper wire to be bent from the racetrack-shaped flat copper wire coil. The copper wire limiting block 4 is rotated to press the copper wire down, and then the bending handle 2 is rotated to bend the copper wire. The bending is completed when the wire reaches the limiting post 10 on the bending base 1. This application adopts the above structure, which has the characteristics of simple structure, easy use, and uniform copper wire bending angle. It solves the problems of poor control of size and shape, easy damage to coil paint, and excessive deformation at the bending position after bending with existing jigs.

[0024] Specific operating method: Adjust the coil fixing post 3 at the rear of the bending base 1 according to the coil size, and then adjust the limiting post 10 on the base plate according to the coil bending angle. Then, use a C-clamp to fix the fixture of this application on the workbench. Insert the racetrack-shaped flat copper wire coil into the coil fixing post 3, and at the same time swing the bending handle 2 to make the copper wire to be bent on the coil get stuck between the front step 7 of the bending handle 2 and the copper wire limiting block 4, so that the side of the copper wire is in close contact with the inner side of the step. Rotate the copper wire limiting block 4 to press down the copper wire. Press down the racetrack-shaped flat copper wire coil with your left hand and rotate the bending handle 2 with your right hand until it reaches the limiting post 10 to complete the bending operation.

[0025] Furthermore, those skilled in the art can combine and integrate the different embodiments or examples described herein, as well as the features of those different embodiments or examples, without contradiction. Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions, and variations to the above embodiments within the scope of the present invention.

Claims

1. A racetrack-shaped flat copper wire coil bending fixture, characterized in that: The device includes a bending base, a bending handle, two coil fixing posts, and a copper wire limiting block. The bending handle is hinged to the upper surface of the bending base via a first hinge shaft. The upper surface of the bending base has an elongated distance adjustment hole. The two coil fixing posts are vertically installed in the elongated distance adjustment hole and are used to fix the racetrack-shaped flat copper wire coil whose wire end is to be bent. The bending handle has a step located on one side of the bending handle and extending to the end of the bending handle. The end of the step is the force point for coil bending. The copper wire limiting block is hinged to the upper surface of the bending handle via a second hinge shaft and is used to press down the wire end of the racetrack-shaped flat copper wire coil to be bent.

2. The racetrack-shaped flat copper wire coil bending fixture according to claim 1, characterized in that: The bending base is provided with a limiting post, which is used to limit the maximum rotation angle of the bending handle.

3. The racetrack-shaped flat copper wire coil bending fixture according to claim 2, characterized in that: The bending base is provided with a flat groove, and the bending handle is hinged to the flat groove on the upper surface of the bending base through a first hinge shaft.

4. The racetrack-shaped flat copper wire coil bending fixture according to claim 3, characterized in that: The limiting post is an adjusting bolt. A long strip-shaped position adjusting hole is provided in the flat groove on the bent base. The adjusting bolt passes through the long strip-shaped position adjusting hole and is threadedly connected to the adjusting nut.

5. The racetrack-shaped flat copper wire coil bending fixture according to claim 4, characterized in that: The copper wire limiting block has an L-shaped structure.

6. The racetrack-shaped flat copper wire coil bending fixture according to claim 5, characterized in that: The two coil fixing posts are cylindrical structures, and the diameter of the coil fixing posts is larger than the gap of the elongated distance adjustment hole. The lower end face of the coil fixing posts has a screw hole, and the spacing adjustment screw passes through the elongated distance adjustment hole and is threaded into the screw hole. By adjusting the spacing of the two coil fixing posts, racetrack-shaped flat copper wire coils of different sizes can be adapted.

7. The racetrack-shaped flat copper wire coil bending fixture according to claim 6, characterized in that: Of the two coil fixing posts, a portion of one coil fixing post is located above the planar groove.

8. The racetrack-shaped flat copper wire coil bending fixture according to claim 7, characterized in that: The lower end of the coil fixing post, located above the planar groove, is provided with a clearance notch, and the end of the step can extend into the clearance notch.

9. The racetrack-shaped flat copper wire coil bending fixture according to claim 1, characterized in that: The first hinge shaft and the second hinge shaft are respectively fitted with a large bushing and a small bushing.

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