A fiber optic ring frameless winding device

Abstract

The present invention discloses a skeleton-free fiber ring winding device, comprising a fixed disk and a movable disk, wherein a groove is provided on one side adjacent to the fixed disk and the movable disk; a stripping ring and a pressure ring are provided coaxially between the fixed disk and the movable disk, wherein the inner hole of the stripping ring is a tapered hole and the stripping ring is divided into three sections along its circumference; the outer side surface of the pressure ring is tapered and is located within the inner hole of the stripping ring; the movable disk is connected to the pressure ring via a plurality of movable disk screws, and the pressure ring is connected to the fixed disk via a plurality of pressure ring screws, and under the pressure of the pressure ring, the outer side surfaces of each section of the stripping ring are in close contact with the side walls of the grooves on the fixed disk and the movable disk. The present invention can effectively improve the stability of the ring winding device during the winding process, ensure uniform winding arrangement, thereby improving the precision of the fiber ring, and facilitate the demolding operation.

Description

Technical Field

[0001] The present invention relates to the technical field of optical fiber winding system, in particular to a skeleton-free optical fiber ring winding device. Background Art

[0002] Fiber optic rings are a crucial component of gyroscopes, and their winding accuracy significantly impacts their precision. Currently, fiber optic rings are wound around a ring frame, similar to an I-shaped reel, with a generally fixed shape and size. However, with technological advancements, demand for higher-precision, smaller fiber optic gyroscopes is increasing. This, in turn, places increasing demands on the size and winding accuracy of the fiber optic rings. Traditional fiber optic rings wound around a ring frame fail to meet these requirements in terms of winding accuracy and volume.

[0003] To improve the precision of fiber optic coiling and reduce the size of fiber optic rings, skeleton-free fiber optic coiling devices have emerged on the market. For example, Chinese patent CN201611202190.0 discloses a skeleton-free fiber optic coiling device comprising two opposing, spaced-apart baffles, each with an annular groove coaxial with the baffle's axial through-hole. The bottom of the groove has a positioning hole extending through the thickness of the baffle. A core, shaped like a hollow annular cylinder, is positioned between the two baffles. The core is assembled annularly from two large cores and two small cores, the two large cores being spaced and symmetrically positioned relative to each other, while the two small cores are symmetrically positioned between the two large cores. The large cores have through-holes communicating with the positioning holes at the bottom of the annular grooves. Bolts passing through these through-holes secure the baffles to the core for synchronous rotation. Furthermore, a rod-shaped pull rod is used to axially extend through the central axial through-holes of the two baffles and engage with them, thereby enabling synchronous rotation of the two. This coiling device has a simple structure, is easy to demold, and can accommodate fiber optic rings of varying widths.

[0004] However, the aforementioned frameless ring winding device relies solely on splicing large and small cores to form the ring framework, resulting in poor overall stability. This is particularly prone to vibration during the fiber ring winding process, causing axial and radial runout during rotation, leading to uneven fiber alignment and even overlap, significantly impacting the precision of the fiber ring. Furthermore, the axial thickness of the fiber ring is fixed and cannot be adjusted. Furthermore, removing the large and small cores during the demolding process is cumbersome and can easily damage the fiber ring. Summary of the Invention

[0005] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to solve the problems of low precision in existing optical fiber ring winding, small size range of wound optical fiber rings, and inconvenient demolding, and to provide a skeleton-free optical fiber ring winding device, which can effectively improve the stability of the winding device during the winding process, uniformly arrange the winding, thereby improving the precision of the optical fiber ring, and facilitate the demolding operation.

[0006] To solve the above technical problems, the present invention adopts the following technical solution: a skeleton-less fiber ring winding device, comprising a fixed plate and a movable plate with coaxial cores, wherein the fixed plate and the movable plate are both provided with a shaft tube provided with a coaxial core on opposite sides thereof; the device is characterized in that a groove is provided on the adjacent side of the fixed plate and the movable plate respectively, and the diameters of the grooves on the fixed plate and the movable plate are equal;

[0007] A stripping ring and a pressure ring are provided coaxially between the fixed disk and the movable disk, the outer side surface of the stripping ring is a cylindrical surface, the outer diameter of which is less than or equal to the diameter of the grooves on the fixed disk and the movable disk; the inner hole of the stripping ring is a tapered hole, and the diameter of the inner hole close to the fixed disk is smaller than the diameter close to the movable disk; wherein, the stripping ring is divided into three sections along its circumference, and there is a gap between adjacent two ends; the outer side surface of the pressure ring is conical, and its taper is consistent with the taper of the inner hole of the stripping ring, and the outer diameter of the small diameter end of the pressure ring is larger than the small diameter end diameter of the inner hole of the stripping ring, and the outer diameter of the large diameter end is larger than the large diameter end diameter of the inner hole of the stripping ring; the pressure ring is located in the inner hole of the stripping ring, and its small diameter end faces the fixed disk; the movable disk is connected to the pressure ring by several movable disk screws, and the pressure ring is connected to the fixed disk by several pressure ring screws, and under the pressing action of the pressure ring, the outer side surfaces of each section of the stripping ring are tightly attached to the side walls of the grooves on the fixed disk and the movable disk.

[0008] Furthermore, an adjustment ring is provided between the demoulding ring and the movable plate. The outer diameter of the adjustment ring is consistent with the outer diameter of the demoulding ring, and the inner diameter is larger than the outer diameter of the large diameter end of the pressure ring.

[0009] Furthermore, the thickness of the adjustment ring is smaller than the depth of the groove on the movable plate.

[0010] Furthermore, a countersunk hole is provided on the pressure ring at a position corresponding to the pressure ring screw; and a through hole is provided on the movable plate at a position corresponding to the countersunk hole.

[0011] Furthermore, at least one ejection screw is provided on the fixed disk, which is opposite to the demoulding ring and extends into the groove after passing through the fixed disk, and one end of the ejection screw extending into the groove is in contact with the demoulding ring.

[0012] Furthermore, a screw hole is provided on the fixing plate at a position corresponding to the ejection screw, and the ejection screw is threadably connected to the screw hole.

[0013] Furthermore, on the side of the demoulding ring close to the fixed plate, corresponding to the position of the ejection screw, a clearance ring groove is provided around the demoulding ring. The width of the clearance ring groove along the radial direction of the demoulding ring is greater than the diameter of one end of the ejection screw extending into the groove, and the end of the ejection screw extending into the groove extends into the clearance ring groove.

[0014] Furthermore, the gap between the adjacent ends of the demoulding ring is 0.3-0.4 mm.

[0015] Furthermore, the inner hole of the shaft tube passes through the fixed disk and the movable disk respectively, and the inner hole diameter of the pressure ring is larger than the inner diameter of the shaft tube on the fixed disk and the movable disk.

[0016] Compared with the prior art, the present invention has the following advantages:

[0017] 1. The manufacturing is simple, safe and reliable. The demoulding ring is composed of three sections, which are tightened by the conical surface of the pressure ring and fixed by the grooves on the fixed plate and the movable plate. The ring winding device is stable and reliable as a whole. After the fiber optic ring is wound, only the pressure ring needs to be removed, and the sections between the demoulding rings can be naturally loosened and separated from the fiber optic ring, making demoulding convenient and quick without damaging the fiber optic ring.

[0018] 2. When winding the optical fiber ring, the fiber winding groove is coaxial with the fiber winding axis, without swinging or jumping. The optical fiber ring can be wound with uniform arrangement, no overlap and high dimensional accuracy, and the accuracy can reach within 0.02mm.

[0019] 3. By replacing the adjustment rings with different thickness specifications, optical fiber rings with different thickness specifications can be wound, which has a wide range of applications. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a cross-sectional view of the present invention.

[0021] Figure 2 It is a schematic diagram of the decomposition structure of the present invention.

[0022] Figure 3 It is a structural schematic diagram when the present invention is used.

[0023] In the figure: 1—fixed plate, 2—movable plate, 3—ejection ring, 4—pressing ring, 5—movable plate screw, 6—pressing ring screw, 7—adjusting ring, 8—ejection screw, 9—fiber ring, 10—fiber winding rotation device. DETAILED DESCRIPTION

[0024] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0025] Example: See Figure 1 、 Figure 2 as well as Figure 3 A fiber optic ring frameless winding device includes a fixed disk 1 and a movable disk 2, each of which has a coaxial core. The fixed disk 1 and movable disk 2 have axial tubes disposed on opposite sides of the fixed disk 1 and movable disk 2. The inner bore of the axial tube extends through the fixed disk 1 and movable disk 2. A groove is provided on each adjacent side of the fixed disk 1 and movable disk 2, aligned with the coaxial core. The diameters of the grooves on the fixed disk 1 and movable disk 2 are equal.

[0026] A demolding ring 3 and a pressure ring 4 are coaxially provided between the fixed disk 1 and the movable disk 2. The outer surface of the demolding ring 3 is a cylindrical surface, and its outer diameter is less than or equal to the diameter of the grooves on the fixed disk 1 and the movable disk 2. The inner hole of the demolding ring 3 is a tapered hole, and the diameter of the inner hole close to the fixed disk 1 is smaller than the diameter close to the movable disk 2. The demolding ring 3 is evenly divided into three sections along its circumference, and there is a gap between the adjacent ends. During implementation, the gap between the adjacent ends of the demolding ring 3 is 0.3-0.4mm; in this way, it is convenient to eject the demolding ring 3 during demolding to achieve rapid demolding. In practice, the outer surface of the demolding ring 3 is coated with a polytetrafluoroethylene layer, which makes it easier to remove the wound optical fiber ring 9. In this solution, when winding the optical fiber ring 9, the demolding ring 3 is in an expanded state (the gap between the adjacent two ends is 0.3~0.4mm). After the winding is completed, the pressure ring 4 is removed (if the gap between the segments of the demolding ring 3 in the expanded state is 0.4mm, the diameter of the demolding ring 3 can be reduced by 0.35 after the pressure ring 4 is removed). In this way, after the pressure ring 4 is removed, the segments of the demolding ring 3 naturally loosen and can be separated from the optical fiber ring 9. Then, the movable disk 2, pressure ring 4 and fixed disk 1 are disassembled, and the demolding ring 3 can be easily removed.

[0027] The outer surface of the pressure ring 4 is conical, its taper matching that of the inner bore of the stripper ring 3. The outer diameter of the smaller end of the pressure ring 4 is larger than the smaller diameter of the inner bore of the stripper ring 3, while the outer diameter of the larger end is larger than the larger diameter of the inner bore of the stripper ring 3. The pressure ring 4 is positioned within the inner bore of the stripper ring 3, with its smaller end facing the fixed plate 1. The inner diameter of the pressure ring 4 is larger than the inner diameter of the shaft tubes on the fixed plate 1 and the movable plate 2. The movable plate 2 is connected to the pressure ring 4 via several movable plate screws 5. The pressure ring 4 is connected to the fixed plate 1 via several pressure ring screws 6. Under the pressure of the pressure ring 4, the outer surface of each section of the stripper ring 3 is tightly attached to the sidewalls of the grooves on the fixed plate 1 and the movable plate 2. During implementation, counterbores are provided on the pressure ring 4 corresponding to the locations of the pressure ring screws 6, and through-holes are provided on the movable plate 2 corresponding to the locations of the counterbores. This allows each component to be independently connected, avoiding errors in the overall connection and improving connection stability.

[0028] At least one ejector screw 8 is also provided on the fixed disk 1. The ejector screw 8 is directly opposite to the demoulding ring 3 and extends into the groove after passing through the fixed disk 1, and the end thereof extending into the groove is in contact with the demoulding ring 3. Particularly, on the side of the demoulding ring 3 close to the fixed disk 1, corresponding to the position of the ejector screw 8, a clearance ring groove is provided around the demoulding ring 3. The width of the clearance ring groove along the radial direction of the demoulding ring 3 is greater than the diameter of the end of the ejector screw 8 extending into the groove, and the end of the ejector screw 8 extending into the groove extends into the clearance ring groove. In this way, the position of the ejector screw 8 in contact with the demoulding ring 3 can be ensured, while avoiding interference between the ejector screw 8 and the demoulding ring 3 during the assembly process, further improving the stability of the overall assembly. A screw hole is provided on the fixed disk 1 corresponding to the position of the ejector screw 8, and the ejector screw 8 is threadedly connected to the screw hole. Since glue will be adhered during the fiber winding process, when the stripping ring 3 and the optical fiber ring 9 are stuck together due to glue, first loosen the pressure ring screw 6 and the movable disk screw 5, and then rotate the ejection screw 8 to move the various sections of the stripping ring 3 inward, thereby separating them from the optical fiber ring 9.

[0029] In specific implementation, an adjustment ring 7 is provided between the stripper ring 3 and the movable plate 2. The outer diameter of the adjustment ring 7 matches that of the stripper ring 3, while the inner diameter is larger than the outer diameter of the larger end of the pressure ring 4. This allows the axial thickness of the fiber optic ring 9 to be varied by adding adjustment rings 7 or selecting adjustment rings 7 of varying thicknesses, thereby allowing the winding of fiber optic rings 9 of varying thicknesses and expanding the applicability of the ring winding device. To prevent the addition of the adjustment ring 7 from interfering with the installation and positioning of the stripper ring 3, the thickness of the adjustment ring 7 is less than the depth of the groove on the movable plate 2.

[0030] When using this ring winding device for ring winding construction, the device is installed on the active fiber winding shaft and the driven fiber winding shaft of the fiber winding rotation equipment 10 through the shaft tubes on the fixed disk 1 and the movable disk 2, and the various winding parameters of the equipment are adjusted. The optical fiber is automatically fed through the fiber feeding device, the glue dispenser is glued, and the fiber winding shaft drives the ring winding device to rotate, so that the optical fiber is evenly arranged and wound layer by layer in the fiber winding groove of the ring winding device (the groove formed between the fixed disk 1, the demoulding ring 3 and the movable disk 2); after the winding is completed, the ring winding device is removed, the pressure ring screw 6 and the movable disk screw 5 are rotated first, and then the ejection screw 8 is rotated to loosen the demoulding ring 3, and finally the movable disk 2, the pressure ring 4 and the fixed disk 1 are disassembled, and the wound optical fiber ring 9 is taken out (transferred to the incubator for curing treatment), and the winding of the skeleton-free optical fiber ring 9 is completed.

[0031] In this solution, the demoulding ring 3 is a three-section combination, which is tightened by the conical surface of the pressure ring 4 and fixed by the grooves on the fixed disk 1 and the movable disk 2. By replacing the adjustment ring 7 with different thickness specifications, optical fiber rings 9 of different thickness specifications can be wound; the ring winding device is stable and reliable as a whole and simple to manufacture; during winding and rotation, the fiber winding groove (the groove formed between the fixed disk 1, the demoulding ring 3 and the movable disk 2) is coaxial with the fiber winding axis, without swinging or jumping, and the accuracy can reach within 0.02mm, so that optical fiber rings 9 with uniform arrangement, no overlap and high dimensional accuracy can be wound.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit the technical solutions. Those skilled in the art should understand that modifications or equivalent replacements of the technical solutions of the present invention that do not depart from the purpose and scope of the technical solutions of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A fiber optic ring skeleton-free winding device, comprising a fixed disk and a movable disk with coaxial core lines distributed thereon, wherein the fixed disk and the movable disk have an axial tube provided with the coaxial core lines on opposite sides thereof; characterized in that: A groove is provided on one side adjacent to the fixed disk and the movable disk, respectively, coaxially with the center line, and the diameters of the grooves on the fixed disk and the movable disk are equal; A stripping ring and a pressure ring are provided coaxially between the fixed disk and the movable disk, the outer side surface of the stripping ring being a cylindrical surface, the outer diameter of which is less than or equal to the diameter of the grooves on the fixed disk and the movable disk; the inner hole of the stripping ring is a tapered hole, and the diameter of the inner hole close to the fixed disk is smaller than the diameter of the inner hole close to the movable disk; wherein the stripping ring is divided into three sections along its circumference, and there is a gap between adjacent two ends; the outer side surface of the pressure ring is conical, the taper is consistent with the taper of the inner hole of the stripping ring, and the outer diameter of the small diameter end of the pressure ring is larger than the small diameter end diameter of the inner hole of the stripping ring, and the outer diameter of the large diameter end is larger than the large diameter end diameter of the inner hole of the stripping ring; the pressure ring is located in the inner hole of the stripping ring, and its small diameter end faces the fixed disk; the movable disk is connected to the pressure ring by several movable disk screws, and the pressure ring is connected to the fixed disk by several pressure ring screws, and under the tightening action of the pressure ring, the outer side surfaces of each section of the stripping ring are tightly attached to the side walls of the grooves on the fixed disk and the movable disk; An adjusting ring is provided between the demoulding ring and the movable plate. The outer diameter of the adjusting ring is consistent with the outer diameter of the demoulding ring, and the inner diameter is larger than the outer diameter of the large diameter end of the pressure ring. At least one ejection screw is provided on the fixed plate. The ejection screw is opposite to the demoulding ring and extends into the groove after passing through the fixed plate, and the end of the ejection screw extending into the groove is in contact with the demoulding ring.

2. The fiber optic ring frameless winding device according to claim 1, characterized in that: The thickness of the adjusting ring is smaller than the depth of the groove on the moving plate.

3. The fiber optic ring skeleton-free winding device according to claim 1, characterized in that: A countersunk hole is provided on the pressure ring at a position corresponding to the position of the pressure ring screw; and a through hole is provided on the movable plate at a position corresponding to the countersunk hole.

4. The fiber optic ring skeleton-free winding device according to claim 1, characterized in that: The fixing plate is provided with a screw hole at a position corresponding to the ejection screw, and the ejection screw is connected to the screw hole in threaded cooperation.

5. The fiber optic ring frameless winding device according to claim 1, characterized in that: On the side of the demoulding ring close to the fixed plate, corresponding to the position of the ejector screw, a clearance ring groove is provided around the demoulding ring. The width of the clearance ring groove along the radial direction of the demoulding ring is greater than the diameter of the end of the ejector screw extending into the groove, and the end of the ejector screw extending into the groove extends into the clearance ring groove.

6. The fiber optic ring skeleton-free winding device according to claim 1, characterized in that: The gap between the adjacent ends of the demoulding ring is 0.3-0.4mm.

7. The fiber optic ring frameless winding device according to claim 1, characterized in that: The inner hole of the shaft tube passes through the fixed disk and the movable disk respectively, and the inner hole diameter of the pressure ring is larger than the inner diameter of the shaft tube on the fixed disk and the movable disk.

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