Ultrathin self-adhesive coil winding die
By using the combination of top core installation ring, feeding top core and elastic buffer in the winding mold, combined with the synergistic effect of the radial distribution striphole and the chopper core core, the ultra -thin self -adhesive coil is in The problem of easy deformation realizes the uniform force of the coil and the improvement of the quality of the molding.
Patent Information
- Application Number
- CN202420319603.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-20
- Publication Date
- 2025-01-28
- Estimated Expiration
- 2034-02-20
AI Technical Summary
Existing winding molds can easily cause the coil to deform when the ultra-thin self-adhesive coil is released, especially when the fixture core moves, it causes squeezing the end of the inner ring of the coil.
Designed a combination of ultra -thin self -adhesive coil winding mold, using the combination of top core installation ring, feeding top core and elastic buffer. , And through the elastic buffer buffer during the prolapse, avoid coil deformation.
Effectively avoid the risk of deformation of ultra -thin self -adhesive coils during the molding process, solve the problem of squeezing the tail end of the coil when the cure is moved, and improves the quality of the coil.
Smart Images
Figure CN222421638U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of molds for manufacturing coils, in particular to an ultra-thin self-adhesive coil winding mold. Background Art
[0002] The self-adhesive coil is a special coil that is self-adhesive and can be easily attached to various surfaces. It is wound with wires and can be automatically bonded by adhesives when in contact with the surface at a certain temperature. For some ultra-thin self-adhesive coils, such as ultra-thin wireless charging coils, the manufacturing method is to wind the self-adhesive wire on a winding mold using a winding machine. However, the current common winding mold is divided into left and right parts, which are driven by left and right motors for winding. After the self-adhesive wire is wound around the jig core of the mold, the left and right parts of the mold are separated, and the jig core moves backwards so that the coil is separated from the jig core. During this demolding process, the jig core of this type of winding mold is prone to squeeze the tail end of the inner ring of the coil when moving, causing the ultra-thin self-adhesive coil to deform.
[0003] Therefore, there is an urgent need for a winding die for ultra-thin self-adhesive coils. Utility Model Content
[0004] The technical problem to be solved by the utility model is to provide an ultra-thin self-adhesive coil winding mold, which can prevent the ultra-thin self-adhesive coil from being deformed when being demoulded and unloaded.
[0005] To this end, the utility model adopts the following technical solutions:
[0006] A super-thin self-adhesive coil winding mold comprises a first baffle, a second baffle, a cylindrical jig core, a top core mounting ring and a blanking top core; the second baffle is coaxial with the first baffle and is arranged oppositely, the second baffle is provided with an axial hole and at least four strip holes, the strip holes are radially distributed around the axial hole, and the angles of adjacent strip holes are equal; one end of the cylindrical jig core is a winding end, the winding end is coaxially arranged with the axial hole, and the end of the winding end protrudes from the end surface of the second baffle close to the first baffle; the top core mounting ring is coaxially slidably connected to the cylindrical jig core, and an elastic buffer is provided between the top core mounting ring and the second baffle; the blanking top core is provided with at least four and respectively adapted to at least four strip holes, one end of the blanking top core is slidably inserted in the strip hole, and the other end is fixedly connected to the top core mounting ring.
[0007] In some embodiments, the ultra-thin self-adhesive coil winding mold further includes a limiting ring, which is coaxially mounted on the cylindrical fixture core and is located at the rear side of the top core mounting ring.
[0008] In some embodiments, a shoulder is provided at the rear end of the winding end; the elastic buffer is a spring, which is sleeved on the cylindrical fixture core and located between the shoulder and the top core mounting ring.
[0009] In some embodiments, eight strip-shaped holes are provided; and eight blanking top cores are provided.
[0010] Compared with the prior art, the present invention achieves at least the following beneficial effects:
[0011] The utility model installs the winding mold on the winding machine by arranging a top core installation ring, a blanking top core and an elastic buffer. After the winding machine forms the coil on the winding mold, the first baffle is moved away from the second baffle by a corresponding linear drive device, and the top core installation ring is driven by the corresponding linear drive device and moves toward the coil, thereby driving multiple blanking top cores to move along the radially distributed strip holes at the same time, and finally ejecting the coil from the winding end of the cylindrical fixture core to separate it from the winding end, thereby completing the blanking. Since the strip holes and the blanking top core are evenly distributed radially, the coil is evenly stressed, and an elastic buffer is arranged between the top core installation ring and the second baffle to play a buffering role. According to the characteristics of the ultra-thin self-adhesive coil, when the blanking top core is ejected, the ultra-thin self-adhesive coil can be prevented from being deformed. Compared with the existing winding mold, the utility model solves the problem that the tail end of the inner ring of the coil is easily squeezed and deformed when the fixture core moves. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] One or more embodiments of the present invention will now be described by way of example only with reference to the accompanying drawings, in which:
[0013] Figure 1 This is a schematic diagram of the structure of one embodiment of the utility model;
[0014] Figure 2 for Figure 1 A front view of an embodiment;
[0015] Figure 3 for Figure 1 A schematic diagram of a blanking core ejecting coil according to an embodiment;
[0016] Figure 4 for Figure 1 A schematic diagram of the connection structure between the top core mounting ring and the cylindrical fixture core of the embodiment;
[0017] Figure 5 for Figure 1 A schematic structural diagram of the second baffle of the embodiment.
[0018] The numbers in the figure are: 1. first baffle; 11. first frustum of cone end face; 2. second baffle; 21. second frustum of cone end face; 3. cylindrical fixture core; 31. winding end; 311. shaft shoulder; 4. top core mounting ring; 5. blanking top core; 6. shaft hole; 7. strip hole; 8. elastic buffer; 9. limit ring; 10. notch; 20. coil. DETAILED DESCRIPTION
[0019] The present invention will be described in detail below with reference to the exemplary embodiments in the accompanying drawings. However, it should be understood that the present application can be implemented in a variety of different forms and should not be construed as being limited to the embodiments described herein. These embodiments are provided here to make the disclosure of the present application more complete and to fully convey the concept of the present application to those skilled in the art.
[0020] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present application 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 application. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present application, "several" and "multiple" mean two or more, unless otherwise clearly and specifically defined. In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like 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 an indirect connection through an intermediate medium, or it can be a communication between the two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to the specific circumstances. In this application, unless otherwise clearly specified and limited, the first feature "above" or "below" the second feature can include the first and second features directly contacting, or it can include the first and second features not being in direct contact but contacting through another feature between them. Moreover, the first feature "above", "above" and "above" the second feature include the first feature being directly above and obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. The first feature "below", "below" and "below" the second feature include the first feature being directly below and obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0021] like Figures 1 to 5As shown, in one embodiment of the utility model, the ultra-thin self-adhesive coil winding mold includes a first baffle 1, a second baffle 2, a cylindrical fixture core 3, a top core mounting ring 4, a blanking top core 5 and a limit ring 9; the second baffle 2 is coaxial with the first baffle 1 and is arranged oppositely, and the second baffle 2 is provided with an axial hole 6 and at least four strip holes 7, the strip holes 7 are radially distributed around the axial hole 6, and the angles of each adjacent strip hole 7 are equal; one end of the cylindrical fixture core 3 is a winding end 31, and the winding end 31 is coaxially arranged with the axial hole 6, and the winding The end 31 protrudes from the end surface of the second baffle 2 close to the first baffle 1; the top core mounting ring 4 is coaxially slidably connected to the cylindrical jig core 3, and an elastic buffer 8 is provided between the top core mounting ring 4 and the second baffle 2; the blanking top core 5 is provided with at least four and respectively adapted to at least four strip holes 7, one end of the blanking top core 5 is slidably inserted in the strip hole 7, and the other end is fixedly connected to the top core mounting ring 4; the limit ring 9 is coaxially installed on the cylindrical jig core 3, which is located on the rear side of the top core mounting ring 4, and is used to limit the top core mounting ring 4.
[0022] Optionally, a shoulder 311 is provided at the rear end of the winding end 31 ; the elastic buffer 8 is a spring, and the elastic buffer 8 is sleeved on the cylindrical fixture core 3 and located between the shoulder 311 and the top core mounting ring 4 .
[0023] Optionally, eight strip holes 7 are provided, and the strip holes 7 are evenly distributed on the second baffle 2 ; eight blanking top cores 5 are provided, and the blanking top cores 5 are evenly distributed radially around the center hole of the top core mounting ring 4 .
[0024] Furthermore, the first baffle 1 is connected to a first linear drive device, and the top core mounting ring 4 is connected to a second linear drive device. In addition, the first baffle 1, the second baffle 2 and the cylindrical fixture core 3 are all connected to corresponding motors. When the winding machine is winding, the corresponding motors will drive the first baffle 1, the second baffle 2 and the cylindrical fixture core 3 to rotate simultaneously, so as to perform winding on the winding end 31.
[0025] Furthermore, the first baffle 1 has a first truncated cone end surface 11 at one end close to the second baffle 2, and the second baffle 2 has a second truncated cone end surface 21 at one end close to the first baffle 1. The side wall of the second baffle 2 has a notch 10 for hanging wires.
[0026] The method of using this ultra-thin self-adhesive coil winding mold is:
[0027] The winding mold is installed on the winding machine, and then the self-adhesive wire is hung into the notch 10 of the second baffle 2. The winding machine starts winding. After the coil 20 is formed on the winding mold, the first linear drive device drives the first baffle 1 to move away from the second baffle 2, and the second linear drive device drives the top core mounting ring 4 to move toward the coil 20, thereby driving multiple blanking top cores 5 to move at the same time to lift the coil 20, and the coil 20 is separated from the winding end 31 of the cylindrical fixture core 3, thereby completing the blanking. Since the blanking top core 5 is evenly distributed radially, the coil 20 is evenly stressed, and an elastic buffer 8 is provided between the top core mounting ring 4 and the second baffle 2 to play a buffering role, which can avoid deformation of the coil 20. Compared with the existing winding mold, the disadvantage of extrusion and deformation of the tail end of the ultra-thin self-adhesive coil 20 when demolding is eliminated.
[0028] It should be understood that all the above embodiments are illustrative rather than restrictive, and any modifications, equivalent changes and modifications made by those skilled in the art to the specific embodiments described above under the conception of the present invention are still within the scope of the technical solution of the present invention.
Claims
1. Ultra-thin self-adhesive coil winding mold, characterized by: The invention comprises a first baffle plate (1), a second baffle plate (2), a cylindrical fixture core (3), a top core mounting ring (4) and a blanking top core (5); the second baffle plate (2) is coaxial with the first baffle plate (1) and arranged opposite to each other; the second baffle plate (2) is provided with an axial hole (6) and at least four strip holes (7); the strip holes (7) are radially distributed around the axial hole (6), and the included angles of each adjacent strip hole (7) are equal; one end of the cylindrical fixture core (3) is a winding end (31), and the winding end (31) is coaxial with the axial hole (6). The winding end (31) is arranged such that the end of the winding end (31) protrudes from the end surface of the second baffle (2) close to the first baffle (1); the top core mounting ring (4) is coaxially slidably connected with the cylindrical fixture core (3), and an elastic buffer (8) is provided between the top core mounting ring (4) and the second baffle (2); the blanking top core (5) is provided with at least four and respectively matched with at least four of the strip holes (7), one end of the blanking top core (5) is slidably inserted in the strip hole (7), and the other end is fixedly connected to the top core mounting ring (4).
2. The ultra-thin self-adhesive coil winding mold according to claim 1, characterized in that: It also includes a limiting ring (9), which is coaxially mounted on the cylindrical fixture core (3) and is located at the rear side of the top core mounting ring (4).
3. The ultra-thin self-adhesive coil winding mold according to claim 1, characterized in that: The rear end of the winding end (31) is provided with a shaft shoulder (311); the elastic buffer (8) is a spring, and the elastic buffer (8) is sleeved on the cylindrical fixture core (3) and is located between the shaft shoulder (311) and the top core mounting ring (4).
4. The ultra-thin self-adhesive coil winding mold according to claim 1, characterized in that: The strip-shaped holes (7) are provided with eight; and the blanking top cores (5) are provided with eight.
5. The ultra-thin self-adhesive coil winding mold according to claim 1, characterized in that: The first baffle (1) is connected to a first linear drive device; and the top core mounting ring (4) is connected to a second linear drive device.
6. The ultra-thin self-adhesive coil winding mold according to claim 1, characterized in that: A first truncated cone end surface (11) is provided at one end of the first baffle plate (1) close to the second baffle plate (2), and a second truncated cone end surface (21) is provided at one end of the second baffle plate (2) close to the first baffle plate (1).
7. The ultra-thin self-adhesive coil winding mold according to claim 1, characterized in that: A notch (10) is provided on the side wall of the second baffle (2).