Fixture for coil winding quality inspection
By designing a quality inspection fixture for coil winding, inspection is realized in a sealed environment, the impact of external environmental factors on the detection results is solved, and the detection accuracy and efficiency are improved.
Patent Information
- Application Number
- CN202422069679.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-26
- Publication Date
- 2025-08-22
- Estimated Expiration
- 2034-08-26
AI Technical Summary
In the prior art, the quality detection results of coil windings are affected by external environmental factors, resulting in inaccurate detection results.
A kind of fixture for coil winding quality inspection is designed, including a placement frame, a support frame, a multimeter, an L-shaped frame, a placement frame, a test frame and a curved cover plate. By controlling the rotation of the arc cover plate and the expansion and contraction of the electric push rod, the coil is detected in a sealed environment to reduce interference from external environmental factors.
Improve the accuracy and detection efficiency of coil detection results to ensure the stability of detection results.
Smart Images
Figure CN223259864U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to an inspection jig, in particular to a jig for inspecting the quality of coil windings. Background Art
[0002] A coil, typically a ring-shaped wire winding, is made by winding a single coil of wire around an insulating tube. The wires are insulated from each other, and the insulating tube can be hollow or contain an iron or powder core. Common coil applications include motors, inductors, transformers, and loop antennas. The quality of the coil winding has a direct and profound impact on its performance. Therefore, coil winding quality testing is a critical step in ensuring that product performance meets design specifications and application requirements.
[0003] Currently, when testing the quality of a coil, the coil is first placed on a table, and then a multimeter is adjusted to the corresponding gear. The staff then holds two test pens and makes the contact ends of the two test pens contact the two pins of the coil respectively to test the coil. However, when using this method for testing, the coil is exposed to the air, and external environmental factors will affect the test results, thereby affecting the accuracy of the test results. Utility Model Content
[0004] In order to overcome the shortcoming of inaccurate detection results when performing quality detection on coils at present, the technical problem of the utility model is to provide a jig for coil winding quality inspection with accurate detection results.
[0005] The technical solution of the utility model is: a jig for inspecting the quality of coil winding, comprising a placement rack, a support rack, a multimeter, an L-shaped rack, a placement frame, a test frame, an arc-shaped cover plate and a closing component, wherein the placement rack is connected to the support rack, the support rack is connected to the multimeter, the placement rack is connected to a side away from the support rack, the L-shaped rack is connected to a placement frame for placing the coil, the bottom of the placement frame is connected to a test frame, two through holes for limiting the pins of the coil are opened between the placement frame and the test frame, the placement frame is rotatably connected to the arc-shaped cover plate, the arc-shaped cover plate can be closed with the placement frame, and the placement frame is provided with a closing component.
[0006] Preferably, the closing assembly includes a sliding rod, a placement plate, a spring and a wedge-shaped piece. Two sliding rods are slidably connected to the placement frame. One end of the two sliding rods is connected to a placement plate for closing the placement frame. The two placement plates are symmetrically arranged on both sides of the placement frame. The placement plates can be closed with the placement frame and the arc-shaped cover plate. The other ends of the two sliding rods are respectively connected to the two sides of the placement frame with springs. Wedge-shaped pieces for driving the placement plates to move are symmetrically connected on both sides of the arc-shaped cover plate. The wedge pieces are in contact with the placement plates.
[0007] Preferably, it also includes a moving rod, a guide frame, a fixed block, a bidirectional screw and an electric push rod. The moving rods are symmetrically and slidingly connected on both sides of the L-shaped frame. A guide frame is connected between the two moving rods. Two fixed blocks are slidably connected to the guide frame. The fixed blocks are used to limit the contact end of the multimeter. The two fixed blocks are in the same horizontal position as the test frame. A bidirectional screw for adjusting the spacing between the two fixed blocks is rotatably connected to the guide frame. The bidirectional screw is threadedly connected to the two fixed blocks. An electric push rod for driving the guide frame to move is connected to the L-shaped frame. The electric push rod is located below the test frame, and the telescopic rod of the electric push rod is connected to the lower part of the guide frame.
[0008] Preferably, a magnetic block is further included, and both placement plates are provided with a magnetic block for interfering with the magnetic field of the coil.
[0009] Preferably, the placement plate is made of iron.
[0010] The beneficial effect is: the utility model controls the rotation of the arc cover plate and the extension and retraction of the telescopic rod of the electric push rod, and with the cooperation of the guide frame, fixed block, bidirectional screw, wedge-shaped piece, sliding rod, placement plate, spring, etc., the coil is placed in a sealed environment for detection, thereby completing the detection of various basic data of the coil in a sealed environment, reducing the interference of external environmental factors, improving the accuracy of the detection results, stabilizing the detection results, and improving the detection efficiency. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model.
[0012] Figure 2 It is a schematic diagram of the three-dimensional structure of the closing component of the utility model.
[0013] Figure 3 It is a schematic diagram of the three-dimensional structure of the placement frame, test frame, rubber pad and arc-shaped cover plate of the utility model.
[0014] Figure 4 It is a three-dimensional structural diagram of the L-shaped frame, moving rod, electric push rod, etc. of the utility model.
[0015] Figure 5 It is a three-dimensional structural diagram of the movable rod, guide frame, fixed block, etc. of the utility model.
[0016] The components in the accompanying drawings are marked as follows: 1: placement frame, 2: support frame, 3: multimeter, 4: moving rod, 5: guide frame, 6: fixed block, 61: bidirectional screw, 7: electric push rod, 8: placement frame, 9: test frame, 10: L-shaped frame, 11: sliding rod, 111: placement plate, 12: spring, 13: magnetic block, 14: arc cover, 15: wedge-shaped piece. DETAILED DESCRIPTION
[0017] The above scheme is further described below with reference to specific examples. It should be understood that these examples are intended to illustrate the present application and are not intended to limit the scope of the present application. The implementation conditions used in the examples can be further adjusted according to the conditions of the specific manufacturer. The implementation conditions not specified are generally those used in routine experiments.
[0018] Example: A jig for checking coil winding quality, such as Figure 1-Figure 5 As shown, it includes a placement rack 1, a support rack 2, a multimeter 3, an L-shaped rack 10, a placement frame 8, a test frame 9, an arc-shaped cover plate 14 and a closing component. The top front side of the placement rack 1 is fixedly connected to the support rack 2, the multimeter 3 is fixedly connected between the left and right sides of the top of the support rack 2, the top rear side of the placement rack 1 is fixedly connected to the L-shaped rack 10, the placement frame 8 is composed of an n-type plate and a curved plate, the front side of the n-type plate is fixedly connected to the rear side of the curved plate, the top of the L-shaped rack 10 is fixedly connected to the top inside the n-type plate, the bottom of the curved plate is fixedly connected to the test frame 9, two through holes are opened between the bottom of the curved plate and the top of the test frame 9, the top rear side of the curved plate is rotatably connected to the arc-shaped cover plate 14, the arc-shaped cover plate 14 can be closed with the curved plate of the placement frame 8, and a closing component is provided on the placement frame 8.
[0019] like Figure 2 As shown, the closing assembly includes a sliding rod 11, a placing plate 111, a spring 12 and a wedge piece 15. The sliding rod 11 is an L-shaped rod, and the upper rear part of the arc plate of the placing frame 8 is slidably connected to two sliding rods 11. The two sliding rods 11 are distributed up and down, and one end of the two sliding rods 11 is fixedly connected to the placing plate 111. The two placing plates 111 are symmetrically arranged on the left and right sides of the placing frame 8, and the placing plate 111 can be closed with the placing frame 8 and the arc cover plate 14. The other ends of the two sliding rods 11 are respectively fixedly connected to the left and right sides of the placing frame 8 with springs 12, and the lower rear side of the arc cover plate 14 is symmetrically fixedly connected to the wedge piece 15. The wedge piece 15 is composed of a card rod and a wedge block. One end of the card rod is connected to the arc cover plate 14, and the other end of the card rod is connected to the wedge block. The side of the two wedge blocks close to each other is an inclined surface, and the lower side of the inclined surface of the wedge block is a plane. The inclined surface of the wedge block contacts and cooperates with the placing plate 111.
[0020] like Figure 1 、 Figure 4 and Figure 5As shown, it also includes a moving rod 4, a guide frame 5, a fixed block 6, a bidirectional screw 61 and an electric push rod 7. The moving rod 4 is symmetrically slidably connected to the left and right sides of the upper part of the L-shaped frame 10. The guide frame 5 is fixedly connected between the front sides of the two moving rods 4. The upper part of the guide frame 5 is slidably connected to two fixed blocks 6. The lower part of the fixed block 6 is provided with a placement hole that passes through the front and back. The two fixed blocks 6 are distributed left and right. The two fixed blocks 6 and the test frame 9 are in the same horizontal position. The top of the guide frame 5 is rotatably connected to the bidirectional screw 61, and the bidirectional screw 61 is threadedly connected to the upper parts of the two fixed blocks 6. The middle part of the front side of the L-shaped frame 10 is fixedly connected to the electric push rod 7. The electric push rod 7 is located below the test frame 9. The front end of the telescopic rod of the electric push rod 7 is fixedly connected to the lower rear part of the guide frame 5.
[0021] Initially, the arc cover 14 is in the open state, the spring 12 is in the natural state, the telescopic rod of the electric push rod 7 is in the extended state, the two fixed blocks 6 are located in the middle of the guide frame 5 and the bidirectional screw 61, and the two contact ends of the multimeter 3 are respectively installed on the two fixed blocks 6, and the two contact ends of the multimeter 3 are located in front of the test frame 9; when the coil needs to be quality tested, the coil is placed in the placement frame 8, and the two pins of the coil are inserted into the test frame 9 through the corresponding through holes, and then the arc cover 14 is rotated clockwise, and the arc cover 14 drives the wedge 15 to rotate clockwise. When the inclined surface of the wedge 15 rotates to contact with the placement plate 111 When the cam 111 is pressed against the bottom surface of the cam 111, the cam 111 is pressed against the bottom surface of the cam 111, and the cam 111 is pressed against the bottom surface of the cam 111. When the cam 111 is pressed against the bottom surface of the cam 111, the cam 111 is pressed against the bottom surface of the cam 111, and the cam 111 is pressed against the bottom surface of the cam 111. When the cam 111 is pressed against the bottom surface of the cam 111, the cam 111 is pressed against the bottom surface of the cam 111, and the cam 111 is pressed against the bottom surface of the cam 111. The frame 5 drives the two contact ends of the multimeter 3 to move backward through the two fixed blocks 6 until the two contact ends of the multimeter 3 move into the test frame 9 and are inserted between the two pins. Then, the bidirectional screw 61 is controlled to rotate, and the fixed blocks 6 on both sides are driven to drive the two contact ends of the multimeter 3 to move away from each other until the two contact ends of the multimeter 3 contact the two pins of the coil. Then, by reading the value of the multimeter 3, the detection data of the coil under this item is recorded. Then, the telescopic rod of the electric push rod 7 is controlled to extend, and the guide frame 5 is driven to move forward, so that the moving rod 4 slides forward on the L-shaped frame 10, and the guide frame 5 passes through the two The fixed block 6 drives the two contact ends of the multimeter 3 to move forward until the two contact ends of the multimeter 3 are out of contact with the two pins of the coil, controls the telescopic rod of the electric push rod 7 to stop extending, and then adjusts the multimeter 3 to the gear of the next item to be tested, and then controls the telescopic rod of the electric push rod 7 to extend and retract, so that the two contact ends of the multimeter 3 complete the detection of the corresponding item on the coil, and record the detection data of the coil under the item, and repeat this process, which can complete the detection of various basic data of the coil in a sealed environment, reduce the interference of external environmental factors, improve the accuracy of the detection results, stabilize the detection results, and improve the detection efficiency.
[0022] like Figure 2As shown, it also includes a magnetic block 13, and the two placement plates 111 can be detachably mounted with the magnetic block 13; the material of the placement plate 111 is iron; when the coil needs to be quality tested under a certain magnetic field interference, the magnetic blocks 13 of corresponding specifications are respectively mounted on the side of the two placement plates 111 close to each other, and then the closed arc cover 14 is rotated to form a magnetic field through the interaction of the two magnetic blocks 13, which generates magnetic field interference on the coil in the enclosed space, and then the two contact ends of the multimeter 3 complete the detection of the corresponding items on the coil, and record the detection data of the coil under the item, and so on, the coil can be tested in a sealed environment with a certain magnetic field; similarly, by replacing the magnetic blocks 13 of other specifications on the placement plate 111 as needed, repeating the above steps, the coil can be tested in a sealed environment with different magnetic fields, making the detection data more comprehensive, easy to operate, saving time and effort, and having stable detection results. The detection method is diversified, and the detection efficiency is improved.
[0023] Those skilled in the art should understand that the above embodiments do not limit the present invention in any form, and any technical solutions obtained by equivalent replacement or equivalent transformation fall within the protection scope of the present invention.
Claims
1. A jig for inspecting coil winding quality, characterized by: The invention comprises a placement frame (1), a support frame (2), a multimeter (3), an L-shaped frame (10), a placement frame (8), a test frame (9), an arc-shaped cover plate (14) and a closing component. The placement frame (1) is connected to the support frame (2), the support frame (2) is connected to the multimeter (3), the placement frame (1) is connected to the side away from the support frame (2), the L-shaped frame (10) is connected to the placement frame (8) for placing the coil, the bottom of the placement frame (8) is connected to the test frame (9), two through holes for limiting the pins of the coil are opened between the placement frame (8) and the test frame (9), the placement frame (8) is rotatably connected to the arc-shaped cover plate (14), the arc-shaped cover plate (14) can be closed with the placement frame (8), and the placement frame (8) is provided with a closing component.
2. A jig for inspecting coil winding quality according to claim 1, characterized in that: The closing component comprises a sliding rod (11), a placement plate (111), a spring (12) and a wedge (15); the placement frame (8) is slidably connected to two sliding rods (11); one end of each of the two sliding rods (11) is connected to a placement plate (111) for closing the placement frame (8); the two placement plates (111) are symmetrically arranged on both sides of the placement frame (8); the placement plates (111) can be closed with the placement frame (8) and the arc-shaped cover plate (14); the other ends of the two sliding rods (11) are respectively connected to the two sides of the placement frame (8) with springs (12); the two sides of the arc-shaped cover plate (14) are symmetrically connected to wedges (15) for driving the placement plates (111) to move; the wedges (15) are in contact with the placement plates (111).
3. A jig for inspecting coil winding quality according to claim 2, characterized in that: The invention also comprises a moving rod (4), a guide frame (5), a fixed block (6), a bidirectional screw (61) and an electric push rod (7). The moving rods (4) are symmetrically slidably connected to both sides of the L-shaped frame (10). The two moving rods (4) are connected to the guide frame (5). Two fixed blocks (6) are slidably connected to the guide frame (5). The fixed blocks (6) are used to limit the contact end of the multimeter (3). The two fixed blocks (6) and the test frame (9) are at the same horizontal position. The guide frame (5) is rotatably connected to a bidirectional screw (61) for adjusting the spacing between the two fixed blocks (6). The bidirectional screw (61) is threadedly connected to the two fixed blocks (6). The L-shaped frame (10) is connected to an electric push rod (7) for driving the guide frame (5) to move. The electric push rod (7) is located below the test frame (9). The telescopic rod of the electric push rod (7) is connected to the lower part of the guide frame (5).
4. A jig for inspecting coil winding quality according to claim 3, characterized in that: It also includes a magnetic block (13), and both placement plates (111) are provided with a magnetic block (13) for interfering with the magnetic field of the coil.
5. A jig for inspecting coil winding quality according to claim 4, characterized in that: The material of the placement plate (111) is iron.