Winding spindle tool

Abstract

The utility model relates to a winding main shaft tool which comprises a core shaft, a winding main shaft and a winding main shaft, the shaft sleeve sleeves the outer side of the mandrel and is provided with a second positioning groove, and the second positioning groove is communicated with the inner side of the shaft sleeve and the outer side of the shaft sleeve; the positioning piece is located in the first positioning groove and the second positioning groove, and the positioning piece is in sliding fit with the shaft sleeve in the axial direction of the shaft sleeve; the locking piece is movably connected with the shaft sleeve, and the locking piece is suitable for moving between a first position and a second position; in the first position, the locking piece is located on the side, away from the mandrel, of the positioning piece, and in the second position, the locking piece moves away from the side, away from the mandrel, of the positioning piece. Switching between the locking state and the non-locking state can be achieved only by moving the locking piece, the mandrel can be replaced conveniently and rapidly, and therefore the production efficiency is effectively improved.

Description

Technical Field

[0001] This application relates to the field of winding technology, and in particular to a winding spindle tooling. Background Technology

[0002] The winding spindle fixture is the main component for winding coils in a winding machine. The size and structure of its spindle need to be designed according to the structure of the coil bobbin. Different sizes of spindles need to be changed when winding different products. Currently, winding machines have 12, 16, 24 or even more spindles.

[0003] In related technologies, the mandrel is fixed by screws, and each changeover requires a lot of time to disassemble the screws and replace the mandrel, which is not conducive to improving production efficiency. Utility Model Content

[0004] Therefore, it is necessary to provide a winding spindle tooling to address the problem that each production change requires a significant amount of time to replace the spindle, which is detrimental to improving production efficiency.

[0005] This application provides a winding spindle fixture, comprising: a mandrel having a first positioning groove on its side wall; a bushing sleeve fitted onto the outside of the mandrel having a second positioning groove communicating between the inner side and the outer side of the bushing sleeve; a positioning member located within the first and second positioning grooves, the positioning member slidingly engaging with the bushing sleeve along its axial direction; and a locking member movably connected to the bushing sleeve, the locking member being adapted to move between a first position and a second position; wherein, in the first position, the locking member is located on the side of the positioning member away from the mandrel, and in the second position, the locking member is moved away from the side of the positioning member away from the mandrel.

[0006] According to one embodiment of this application, it further includes: an elastic element connecting the bushing and the locking element, the elastic element providing the locking element with an elastic restoring force for moving from the second position to the first position.

[0007] According to one embodiment of this application, the locking member is slidably connected to the bushing along the axial direction of the bushing, and the elastic member provides the locking member with an elastic restoring force along the axial direction of the bushing.

[0008] According to one embodiment of this application, a stepped groove is provided on the inner side of one axial end of the locking member, the elastic member includes a compression spring, the compression spring is sleeved on the outer side of the bushing, and one end of the elastic member is located in the stepped groove.

[0009] According to one embodiment of this application, the bushing includes: a cylindrical portion sleeved between the mandrel and the positioning member; and a limiting member connected to the cylindrical portion and adapted to adjust the position along the axial direction of the cylindrical portion, wherein the limiting member abuts against the end of the compression spring opposite to the locking member.

[0010] According to one embodiment of this application, the outer side of the cylindrical portion is provided with an external thread, the limiting member includes a limiting ring, the inner side of the limiting ring is provided with an internal thread, and the internal thread is engaged with the external thread.

[0011] According to one embodiment of this application, the locking member is provided with a mating groove at one end along the axial direction of the bushing, and when the locking member is in the first position, the positioning member is located in the mating groove.

[0012] According to one embodiment of this application, the mating groove gradually slopes toward the axis of the locking member from one end near the end of the locking member to one end near the middle of the locking member.

[0013] According to one embodiment of this application, the positioning member is a spherical structure, and the first positioning groove is a conical groove whose diameter gradually decreases from the groove opening to the groove bottom.

[0014] According to one embodiment of this application, a plurality of first positioning grooves are arranged along the circumference of the mandrel, and each first positioning groove is correspondingly arranged with a plurality of second positioning grooves; the plurality of second positioning grooves corresponding to the same first positioning groove are arranged at intervals along the axial direction of the mandrel, and are selectively aligned with the first positioning groove along the axial direction of the mandrel.

[0015] The aforementioned winding spindle fixture has a positioning element located in the first and second positioning grooves, which can axially limit the mandrel and bushing. When the mandrel does not need to be replaced, the locking element is placed in the first position, located on the side of the positioning element away from the mandrel. This prevents the positioning element from moving away from the mandrel, thus preventing it from disengaging from the first positioning groove and preventing relative sliding between the mandrel and bushing, achieving locking. When the mandrel needs to be replaced, the locking element is moved to the second position, moving away from the side of the positioning element away from the mandrel. The positioning element can then move away from the mandrel, and after disengaging from the first positioning groove, the mandrel and bushing can slide relative to each other, thereby enabling the replacement of the mandrel. Clearly, this application only requires moving the locking element to switch between locked and unlocked states, enabling convenient and quick mandrel replacement operations, thereby effectively improving production efficiency. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of a winding spindle tooling provided in an embodiment of this application.

[0017] Figure 2 for Figure 1 AA section view in the image.

[0018] Figure label:

[0019] 100. Mandrel; 110. First positioning groove;

[0020] 200, bushing; 210, cylindrical part; 211, second positioning groove; 220, limiting component;

[0021] 300. Positioning components;

[0022] 400. Locking element; 410. Stepped groove; 420. Mating groove;

[0023] 500. Elastic components. Detailed Implementation

[0024] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0025] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application 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 application.

[0026] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0027] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; 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; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0028] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0029] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0030] See Figure 1 and Figure 2 , Figure 1 This is a schematic diagram of the overall structure of a winding spindle tooling according to an embodiment of this application. Figure 2 for Figure 1 AA section view in the image.

[0031] The winding spindle fixture in one embodiment of this application includes a spindle 100, a bushing 200, a positioning member 300, and a locking member 400. The sidewall of the spindle 100 has a first positioning groove 110; the bushing 200 is sleeved on the outside of the spindle 100, and the bushing 200 has a second positioning groove 211, which connects the inner side and the outer side of the bushing 200; the positioning member 300 is located within the first positioning groove 110 and the second positioning groove 211, and the positioning member 300 is slidably engaged with the bushing 200 along the axial direction of the bushing 200; the locking member 400 is movably connected to the bushing 200, and the locking member 400 is adapted to move between a first position and a second position; wherein, in the first position, the locking member 400 is located on the side of the positioning member 300 away from the spindle 100, and in the second position, the locking member 400 moves away from the side of the positioning member 300 away from the spindle 100.

[0032] In this embodiment, the mandrel 100 may include multiple shaft segments, one of which has a first positioning groove 110 on its axially outer side. The first positioning groove 110 is configured to allow a portion of the positioning member 300 to enter. The bushing 200 is sleeved on the outside of the mandrel 100 and slides in fit with the mandrel 100. The positioning member 300 slides along the axial direction of the bushing 200 and engages with the bushing 200. Thus, the positioning member 300 can slide away from the spindle 100 and disengage from the first positioning groove 110. When the locking member 400 disengages from the first positioning groove 110, the bushing 200 and the spindle 100 can slide relative to each other along the axial direction of the spindle 100, thereby enabling the replacement of the spindle 100. When the positioning member 300 does not slide out of the first positioning groove 110, part of the positioning member 300 is located in the first positioning groove 110 and part is located in the second positioning groove 211, forming a limit on the bushing 200 and the spindle 100 along the axial direction of the spindle 100 and locking the relative position of the bushing 200 and the spindle 100.

[0033] The connection between the locking member 400 and the bushing 200 includes, but is not limited to, sliding connection and rotational connection. When the locking member 400 is in the first position, it is located on the side of the positioning member 300 away from the spindle 100, thus providing a stop and limiting the positioning member 300 and preventing it from moving away from the spindle 100, thereby preventing the spindle 100 from disengaging from the bushing 200. When the locking member 400 is in the second position, it moves away from the side of the positioning member 300 away from the spindle 100, allowing the positioning member 300 to move away from the spindle 100 until it disengages from the first positioning groove 110, at which point the spindle 100 can be replaced.

[0034] According to the winding spindle fixture of this embodiment, the position of the positioning component 300 can be locked or unlocked by adjusting the position of the locking component 400, thereby locking or unlocking the relative position between the spindle 100 and the bushing 200, making the replacement of the spindle 100 easy to operate, effectively reducing the time spent on changeover production and improving production efficiency.

[0035] In some embodiments, the winding spindle fixture further includes an elastic element 500, which connects the bushing 200 and the locking element 400. The elastic element 500 provides an elastic restoring force to the locking element 400 as it moves from the second position to the first position. When the locking element 400 moves from the first position to the first position, the elastic deformation of the elastic element 500 increases. Thus, after the external force provided by manual or mechanical equipment is removed, the elastic element 500 can drive the locking element 400 to automatically reset towards the first position. This further reduces the operational difficulty of replacing the spindle 100 and improves production efficiency. In addition, the action of the elastic element 500 also helps to ensure that the locking element 400 is stably maintained in the first position, improving production safety.

[0036] In some embodiments, the locking member 400 is slidably connected to the bushing 200 along the axial direction of the bushing 200, and the elastic member 500 provides the locking member 400 with an elastic restoring force along the axial direction of the bushing 200.

[0037] For example, the first end of the bushing 200 is inserted into the spindle 100, and the spindle 100 is adapted to pull out the bushing 200 in the direction from the second end of the bushing 200 to the first end. When the locking member 400 slides in the direction from the first end of the bushing 200 to the second end, it switches from the first position to the second position, and the deformation of the elastic member 500 increases; correspondingly, when the locking member 400 slides in the direction from the second end of the bushing 200 to the first end, it switches from the first position to the second position, and the deformation of the elastic member 500 decreases. The elastic member 500 provides the locking member 400 with an elastic restoring force in the direction from the second end of the bushing 200 to the first end.

[0038] In this embodiment, the locking member 400 is slidably connected to the bushing 200, and the sliding direction of the locking member 400 and the bushing 200 is perpendicular to the sliding direction of the positioning member 300 and the bushing 200. On the one hand, this makes the locking member 400 more stable in limiting the positioning member 300, and the spindle 100 is less likely to detach from the bushing 200 without human operation. On the other hand, it makes the operation of replacing the spindle 100 easier. It is only necessary to move the locking member 400 along the axis of the spindle 100 to unlock it. After the spindle 100 is replaced, the locking member 400 can be reset to the first position and locked under the push of the elastic reset force of the elastic member 500.

[0039] In some embodiments, a stepped groove 410 is provided on the inner side of one axial end of the locking member 400, and the elastic member 500 includes a compression spring, which is sleeved on the outside of the bushing 200, and one end of the elastic member 500 is located in the stepped groove 410.

[0040] In this embodiment, the extension and retraction of the compression spring is restricted by the bushing 200, ensuring its stable extension and retraction function. One end of the compression spring is located in the stepped groove 410, and can apply pressure to the locking member 400 by abutting against the side wall of the stepped groove 410. This connection method can increase the stability of the connection between the compression spring and the locking member 400. Furthermore, the compression spring can be hidden in the stepped groove 410 when compressed, avoiding damage caused by excessive compression.

[0041] In some embodiments, the bushing 200 includes a cylindrical portion 210 and a limiting member 220. The cylindrical portion 210 is sleeved between the spindle 100 and the positioning member 300. The limiting member 220 is connected to the cylindrical portion 210 and is adapted to adjust its position along the axial direction of the cylindrical portion 210. The limiting member 220 abuts against one end of the compression spring away from the locking member 400.

[0042] In this embodiment, the limiting member 220 is located on the outside of the bushing 200. When the position of the limiting member 220 is adjusted along the axial direction of the cylindrical portion 210, the initial compression amount of the compression spring can be changed. Specifically, when the position of the limiting member 220 is adjusted towards the direction closer to the locking member 400, the maximum distance between the limiting member 220 and the locking member 400 (the distance between the locking member 400 and the limiting member 220 when the locking member 400 is in the first position) decreases, the initial compression of the compression spring increases, and the pressure of the compression spring on the locking member 400 also increases accordingly. This ensures that the locking member 400 locks the positioning member 300 more stably and has a better reset effect. Correspondingly, the force required to unlock the locking member 400 (moving the locking member 400 to the second position) is greater. Conversely, when the position of the limiting member 220 is adjusted towards the direction away from the locking member 400, the maximum distance between the limiting member 220 and the locking member 400 increases, the initial compression of the compression spring decreases, and the pressure of the compression spring on the locking member 400 also decreases accordingly. The force required to unlock the locking member 400 (moving the locking member 400 to the second position) is smaller, making it easier to operate. In actual use, the initial compression of the compression spring can be flexibly adjusted according to specific usage requirements to meet different needs, thus providing better flexibility. Furthermore, during prolonged use, if the spring force decreases, the initial compression of the compression spring can be reduced by adjusting the position of the limiting member 220, thereby ensuring the locking effect of the locking member 400.

[0043] Optionally, the outer side of the cylindrical portion 210 is provided with an external thread, and the limiting member 220 includes a limiting ring with an internal thread on its inner side, the internal thread engaging with the external thread. The limiting ring is threadedly connected to the cylindrical portion 210 and abuts against the end of the compression spring. The position of the limiting ring can be adjusted by rotating it, thereby adjusting the initial compression of the compression spring. The operation is simple, and after adjustment to the desired position, the pressure of the compression spring can be used to achieve the anti-disengagement function, stably maintaining it in the corresponding position, thus providing better stability.

[0044] Of course, the limiting member 220 can also adopt other structures to achieve axial adjustment of the position along the cylinder 210. For example, the limiting member 220 can be slidably sleeved on the outside of the cylinder 210 and positioned by a locking bolt that is threaded to the limiting member 220 and abuts against the side wall of the cylinder 210.

[0045] Furthermore, the compression spring in this embodiment can also be replaced by, for example, a leaf spring or a tension spring. Any elastic member 500 structure that can provide an elastic restoring force along the axial direction of the bushing 200 to the locking member 400 should be within the scope of protection of this application.

[0046] In some embodiments, the locking member 400 is provided with a mating groove 420 at one end along the axial direction of the bushing 200. When the locking member 400 is in the first position, the positioning member 300 is located in the mating groove 420.

[0047] By setting the mating groove 420, it is easier to put the positioning member 300 into the second positioning groove 211 and reset the locking member 400. This effectively avoids situations such as the locking member 400 interfering with the positioning member 300, causing the positioning member 300 to be unable to be put into the second positioning groove 211, and the locking member 400 not being able to be fully reset due to the end abutting between the positioning member 300 and the locking member 400.

[0048] Furthermore, the mating groove 420 gradually slopes towards the axis of the locking member 400 from one end near the end of the locking member 400 to one end near the middle of the locking member 400.

[0049] For example, the locking member 400 is a cylindrical structure and is sleeved on the outside of the bushing 200.

[0050] Furthermore, if the locking member 400 has a cylindrical structure, the stepped groove 410 can be an annular groove on the inner side of one axial end of the locking member 400, and the diameter of the stepped groove 410 is greater than or equal to the diameter of the compression spring.

[0051] Furthermore, if the locking member 400 has a cylindrical structure, the mating groove 420 is a tapered groove on the inner side of the other end of the locking member 400 in the axial direction.

[0052] Of course, the locking element 400 can also adopt other structural forms such as block, plate, or rod, and slide connected to the bushing 200 through a slide rail or slide path provided on the outer wall of the bushing 200. Furthermore, the stepped groove 410 and the mating groove 420 can be flexibly selected according to the structural form of the locking element 400, which will not be listed here.

[0053] In some embodiments, the positioning member 300 is a spherical structure, and the first positioning groove 110 is a tapered groove whose diameter gradually decreases from the groove opening to the groove bottom.

[0054] Understandably, the positioning component 300 is designed with a spherical structure, which eliminates the need for special angle adjustments during installation and use, making it more convenient and less prone to malfunction.

[0055] The first positioning groove 110 is set as a conical groove, which can form a good fit with the positioning member 300. On the one hand, it makes the positioning effect of the positioning member 300 better. On the other hand, by moving the locking member 400 to the second position and pulling out the spindle 100, the positioning member 300 can be pushed out by the conical guiding effect of the first positioning groove 110, making the replacement process of the spindle 100 more convenient.

[0056] Optionally, to prevent the positioning member 300 from falling into the inner cavity of the bushing 200 after the mandrel 100 is pulled out, the opening diameter of the end of the second positioning groove 211 near the axis of the bushing 200 is smaller than the diameter of the positioning member 300. Therefore, after the mandrel 100 is pulled out, the positioning member 300 cannot completely pass through the opening of the end of the second positioning groove 211 near the axis of the bushing 200.

[0057] In some embodiments, a plurality of first positioning grooves 110 are arranged along the circumference of the spindle 100, and each first positioning groove 110 is correspondingly arranged with a plurality of second positioning grooves 211; the plurality of second positioning grooves 211 corresponding to the same first positioning groove 110 are arranged at intervals along the axial direction of the spindle 100, and one of them is aligned with the first positioning groove 110 along the axial direction of the spindle 100.

[0058] For example, multiple first positioning grooves 110 are evenly arranged along the circumference of the mandrel 100, and multiple rows of second positioning grooves 211 are arranged. Each row of second positioning grooves 211 corresponds to one first positioning groove 110, and the second positioning grooves 211 in the same row are evenly spaced along the axial direction of the bushing 200. After the mandrel 100 is inserted into the bushing 200, each first positioning groove 110 corresponds to one row of second positioning grooves 211. When the mandrel 100 is installed in the appropriate position, the first positioning groove 110 aligns with one of its corresponding second positioning grooves 211. Each second positioning groove 211 aligned with the first positioning groove 110 is provided with a positioning element 300. This allows for the use of mandrels 100 of different specifications, providing better versatility, and also makes the positioning between the bushing 200 and the mandrel 100 more stable.

[0059] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0060] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. A spooling mandrel tool, characterized by, The application relates to a locking device for a shaft sleeve, comprising: a core shaft, the side wall of the core shaft being provided with a first positioning groove; a shaft sleeve, the shaft sleeve being sleeved outside the core shaft, the shaft sleeve being provided with a second positioning groove, the second positioning groove being communicated with the inside of the shaft sleeve and the outside of the shaft sleeve; a positioning member, the positioning member being located in the first positioning groove and the second positioning groove, the positioning member being slidably connected with the shaft sleeve along the axial direction of the shaft sleeve; a locking member, the locking member being movably connected with the shaft sleeve, the locking member being adapted to move between a first position and a second position; wherein, in the first position, the locking member is located on the side of the positioning member away from the core shaft, and in the second position, the locking member is moved away from the side of the positioning member away from the core shaft.

2. The spooling mandrel tool of claim 1, wherein, The application further comprises: a resilient member, the resilient member being connected with the shaft sleeve and the locking member, the resilient member providing the locking member with an elastic restoring force for moving from the second position to the first position.

3. The spooling mandrel tool of claim 2, wherein, The locking member is slidably connected with the shaft sleeve along the axial direction of the shaft sleeve, and the resilient member provides the locking member with an elastic restoring force along the axial direction of the shaft sleeve.

4. The spooling mandrel tool of claim 3, wherein, The inside of one end of the axial direction of the locking member is provided with a stepped groove, the resilient member comprises a compression spring, the compression spring is sleeved outside the shaft sleeve, and one end of the resilient member is located in the stepped groove.

5. The spooling mandrel tool of claim 4, wherein, The shaft sleeve comprises: a barrel portion, the barrel portion being sleeved between the core shaft and the positioning member; a limiting member, the limiting member being connected with the barrel portion and being adapted to adjust the position along the axial direction of the barrel portion, the limiting member being in abutment with one end of the compression spring away from the locking member.

6. The bobbin tool of claim 5, wherein, The outside of the barrel portion is provided with external threads, the limiting member comprises a limiting ring, the inside of the limiting ring is provided with internal threads, and the internal threads are connected with the external threads in a matched mode.

7. The spooling mandrel tool of any one of claims 3 to 6, wherein, One end of the axial direction of the locking member is provided with a matched groove, and when the locking member is located in the first position, the positioning member is located in the matched groove.

8. The bobbin tool of claim 7, wherein, The matched groove is gradually inclined to the axis of the locking member from one end close to the end portion of the locking member to one end close to the middle portion of the locking member.

9. The spooling mandrel tooling of any one of claims 1 to 6, wherein, The positioning member is a spherical structure, and the first positioning groove is a tapered groove with gradually reduced diameters from the groove opening to the groove bottom.

10. The spooling mandrel tooling of any one of claims 1 to 6, wherein, A plurality of the first positioning grooves are arranged along the circumferential direction of the core shaft, and a plurality of the second positioning grooves are correspondingly arranged for each of the first positioning grooves; the plurality of the second positioning grooves corresponding to the same first positioning groove are arranged in a spaced mode along the axial direction of the core shaft and are selectively aligned with the first positioning groove along the axial direction of the core shaft.

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