Sizing die capable of being disassembled and assembled on line and optical cable production equipment
By designing a sizing die that can be disassembled and reassembled online, and utilizing the separate structure of the first half-die and the second half-die, the problem of cumbersome replacement of sizing dies in the existing technology is solved, and efficient replacement and cost reduction are achieved in the optical cable production process.
Patent Information
- Application Number
- CN202520298863.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-24
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-24
AI Technical Summary
The existing sizing mold is an integrated structure, which requires stopping the machine, cutting the optical fiber and reinforcing components when changing the sizing mold during the optical cable production process. This is cumbersome to disassemble and assemble, affecting production efficiency and increasing costs.
The sizing die is designed for online assembly and disassembly, comprising a first half-die and a second half-die. The split structure is achieved by the engagement of the protrusion with the slot, allowing the sizing die to be replaced during optical cable production and operation, thus avoiding the cutting of optical fibers and reinforcing components.
This technology enables the replacement of sizing molds without stopping production during optical cable manufacturing, reducing production costs and improving production efficiency.
Smart Images

Figure CN223877506U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to optical cable production technical field especially is related to a fixed diameter die and optical cable production equipment that can be online dismount. BACKGROUND
[0002] Optical cable production usually installs fixed diameter die behind extruder head, and the material such as optical fiber, reinforcing member is positioned, and prevents optical cable eccentric.
[0003] The applicant finds that the prior art at least has the following technical problems: the fixed diameter die of the prior art is all adopted integral structure, and the length of optical fiber assembly, reinforcing member is long in the production process, and if the fixed diameter die needs to be changed due to some reasons in the production process, then the machine needs to be stopped, and the optical fiber, reinforcing member and other materials are cut off, and the fixed diameter die is removed along the length direction of the optical fiber and reinforcing member, the dismounting process of the fixed diameter die is complicated, and the production efficiency of optical cable is influenced, and even the mold is disassembled again, and the waste of production cost is inevitable. UTILITY MODEL CONTENT
[0004] The utility model discloses a fixed diameter die and optical cable production equipment that can be online dismounting to solve the technical problems that the fixed diameter die is complicated to dismount in the prior art, and the production efficiency of optical cable is influenced when dismounting, and the preferred technical solutions in the plurality of technical solutions provided by the utility model can produce the plurality of technical effects, which are described below.
[0005] To achieve the above object, the utility model provides the following technical scheme:
[0006] The utility model discloses a fixed diameter die that can be online dismounting, including first half mould and second half mould, wherein:
[0007] The first half mould is provided with the convex part, the second half mould is provided with the clamping slot, when the convex part and the clamping slot are connected, the first half mould and the second half mould are connected and surround the central axis cavity and the side axis cavity, the central axis cavity is used for the optical fiber assembly to pass through, the side axis cavity is used for the reinforcing member to pass through, and the axis of the central axis cavity and the side axis cavity is parallelly arranged.
[0008] And the convex part and the clamping slot are separable under the action of external force, and then the first half mould and the second half mould are separated.
[0009] Preferably, the first half mould is provided with the first central axis slot and the first side axis slot, and the second half mould is provided with the second central axis slot and the second side axis slot, wherein:
[0010] When the protruding part is clamped with the clamping groove, the first middle shaft groove and the second middle shaft groove are spliced and surround the middle shaft cavity, and the second middle shaft groove and the second side shaft groove are spliced and surround the side shaft cavity.
[0011] Preferably, the radial section of the first middle shaft groove and the radial section of the first side shaft groove are both semicircular, and the first middle shaft groove and the first side shaft groove both extend along the axial direction of the first half mold.
[0012] Preferably, the radial section of the second middle shaft groove and the radial section of the second side shaft groove are both semicircular, and the second middle shaft groove and the second side shaft groove both extend along the axial direction of the second half mold.
[0013] Preferably, the protruding part is arranged on the opposite sides of the first middle shaft groove and the first side shaft groove.
[0014] The clamping groove is arranged on the opposite sides of the second middle shaft groove and the second side shaft groove.
[0015] Preferably, the length direction of the protruding part is arranged along the axial direction of the first half mold, and the length direction of the clamping groove is arranged along the axial direction of the second half mold.
[0016] Preferably, the radial section of the protruding part and the radial section of the clamping groove are both arc-shaped structures matched with each other.
[0017] Preferably, the middle shaft cavity comprises a tapered cavity and a straight cavity, wherein:
[0018] The tapered cavity is communicated with one end or opposite ends of the straight cavity, and the inner diameter of the tapered cavity gradually increases in the direction away from the straight cavity.
[0019] Preferably, when the protruding part is clamped with the clamping groove, the first half mold and the second half mold are spliced into a cylindrical mold body.
[0020] The utility model also provides a kind of optical cable production equipment, including above-mentioned online detachable sizing die.
[0021] Compared with the prior art, the sizing die which can be disassembled and assembled online has the following beneficial effects: the sizing die is provided as a split structure, the protruding part is clamped with the clamping groove to realize mutual splicing of the first half die and the second half die, and the positioning device such as a clamp can be used outside the sizing die for fixing; when the sizing die needs to be replaced, the first half die and the second half die are separated, the sizing die is disassembled from top to bottom, the suitable sizing die is selected, the optical fiber assembly, the reinforcing member and the like are corresponded to the position of the central shaft cavity or the side shaft cavity, then the first half die and the second half die are combined, the positioning device is reassembled, the sizing die can be replaced in the optical cable production operation, the optical fiber assembly or the reinforcing member does not need to be cut off, and the sizing die does not need to be removed along the length direction of the optical fiber assembly or the reinforcing member, the device is convenient to use, low in cost, can reduce the optical cable production cost, and improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0022] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description, and obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the basis of these drawings.
[0023] Figure 1 is a side view of the first half die and the second half die after splicing in the sizing die which can be disassembled and assembled online;
[0024] Figure 2 is a side view of the first half die and the second half die after separation in the sizing die which can be disassembled and assembled online;
[0025] Figure 3 is an axial cross-sectional view of the second half die.
[0026] In the figure, 1 is the first half die; 2 is the second half die; 3 is the protruding part; 4 is the clamping groove; 5 is the central shaft cavity; 501 is the straight cavity; 502 is the conical cavity; 51 is the first central shaft groove; 52 is the second central shaft groove; 6 is the side shaft cavity; 61 is the first side shaft groove; and 62 is the second side shaft groove. DETAILED DESCRIPTION
[0027] In order to make the purpose, the technical scheme and the advantages of the present application more clear, the technical scheme of the present application will be described in detail below. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of the present application.
[0028] In the description of this utility model, it should be understood that the terms "center," "length," "width," "height," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and "side," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0029] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "set," "install," "connect," and "link" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; 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; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0030] This utility model provides a sizing mold that can be installed and removed online, eliminating the need to remove the sizing mold along the length of the optical fiber assembly or reinforcement. This device is easy to use, low in cost, and can reduce the production cost of optical cables and improve production efficiency.
[0031] The following is combined with Figures 1-3 The technical solution provided by this utility model will be described in more detail.
[0032] Example 1:
[0033] See Figures 1-3 As shown, the online detachable sizing die provided by this utility model includes a first half-die 1 and a second half-die 2. The first half-die 1 has a protrusion 3, and the second half-die 2 has a slot 4. When the protrusion 3 engages with the slot 4, the first half-die 1 and the second half-die 2 are aligned and form a central cavity 5 and a side cavity 6. The central cavity 5 is for the fiber optic assembly to pass through, and the side cavity 6 is for the reinforcing member to pass through. The axes of the central cavity 5 and the side cavity 6 are parallel. The protrusion 3 and the slot 4 are separable under external force, thereby allowing the first half-die 1 and the second half-die 2 to separate. The fiber optic assembly can be a single fiber or a fiber bundle. The reinforcing member can be a metal component, primarily used to improve the tensile strength and mechanical strength of the optical cable.
[0034] See Figure 1As shown, after the first half mold 1 and the second half mold 2 are connected, the first half mold 1 and the second half mold 2 can be fixed by using a clamp or a metal wire as a positioner in the prior art.
[0035] The split structure of the detachable sizing die in the embodiment is used, the protruding part 3 is connected with the clamping groove 4 to realize the splicing of the first half mold 1 and the second half mold 2, and the clamp or the like is used as a positioner outside the sizing die. When the sizing die needs to be replaced, the first half mold 1 and the second half mold 2 are separated, the sizing die is split into two parts, the appropriate sizing die is selected, the optical fiber assembly, the reinforcing member and the like are positioned corresponding to the central shaft cavity 5 or the side shaft cavity 6, and then the first half mold 1 and the second half mold 2 are combined, the clamp or the like is reinstalled, the sizing die can be replaced in the operation of the optical cable production, the optical fiber assembly or the reinforcing member does not need to be cut off, and the sizing die does not need to be removed along the length direction of the optical fiber assembly or the reinforcing member. The device is convenient to use, low in cost, can reduce the production cost of the optical cable, and improves the production efficiency.
[0036] As an optional embodiment, refer to Figure 1 and Figure 2 As shown, the first half mold 1 is provided with a first central shaft groove 51 and a first side shaft groove 61, and the second half mold 2 is provided with a second central shaft groove 52 and a second side shaft groove 62. When the protruding part 3 is connected with the clamping groove 4, the first central shaft groove 51 and the second central shaft groove 52 are spliced to form the central shaft cavity 5, and the second central shaft groove 52 and the second side shaft groove 62 are spliced to form the side shaft cavity 6.
[0037] Specifically, the first central shaft groove 51 and the second central shaft groove 52 are each half of the central shaft cavity 5, and the first side shaft groove 61 and the second side shaft groove 62 are each half of the side shaft cavity 6.
[0038] In the embodiment, the central shaft cavity 5 and the side shaft cavity 6 are formed when the protruding part 3 is connected with the clamping groove 4 and the first half mold 1 and the second half mold 2 are spliced. When the sizing die is disassembled, the first half mold 1 and the second half mold 2 are separated, the sizing die is separated from the optical fiber assembly and the reinforcing member, and the optical fiber assembly and the reinforcing member do not need to be cut off.
[0039] As an optional embodiment, refer to Figure 1 and Figure 2 As shown, the radial section of the first central shaft groove 51 and the radial section of the first side shaft groove 61 are each semicircular, and the first central shaft groove 51 and the first side shaft groove 61 extend along the axial direction of the first half mold 1. The radial section of the second central shaft groove 52 and the radial section of the second side shaft groove 62 are each semicircular, and the second central shaft groove 52 and the second side shaft groove 62 extend along the axial direction of the second half mold 2.
[0040] The structure is convenient for processing and manufacturing. When the protruding part 3 is inserted into the clamping groove 4 and the first half mold 1 and the second half mold 2 are spliced with each other, the first middle shaft groove 51 and the second middle shaft groove 52 are spliced to form the middle shaft cavity 5, the middle shaft cavity 5 is arranged along the axis of the sizing die, the middle shaft cavity 5 penetrates through opposite ends of the sizing die, and the first side shaft groove 61 and the second side shaft groove 62 are spliced to form the side shaft cavity 6, and the side shaft cavity 6 is arranged along the axis of the sizing die, and the side shaft cavity 6 penetrates through opposite ends of the sizing die.
[0041] As an optional embodiment, as shown in Figure 1 and Figure 2 , the protruding part 3 is arranged on opposite sides of the first middle shaft groove 51 and the first side shaft groove 61; and the clamping groove 4 is arranged on opposite sides of the second middle shaft groove 52 and the second side shaft groove 62.
[0042] The structure can increase the contact area of the first half mold 1 and the second half mold 2, and connect the first half mold 1 and the second half mold 2 at multiple positions, thereby improving the stability of the structure.
[0043] As an optional embodiment, as shown in Figure 1 and Figure 2 , the length direction of the protruding part 3 is arranged along the axial direction of the first half mold 1, and the length direction of the clamping groove 4 is arranged along the axial direction of the second half mold 2. Similarly, the structure can increase the contact area of the first half mold 1 and the second half mold 2, and connect the first half mold 1 and the second half mold 2 at multiple positions in the length direction, thereby improving the stability of the structure.
[0044] As an optional embodiment, as shown in Figure 1 and Figure 2 , the radial section of the protruding part 3 and the radial section of the clamping groove 4 are both arc-shaped structures matched with each other.
[0045] The structure is convenient for splicing the first half mold 1 and the second half mold 2, inserting the protruding part 3 into the clamping groove 4, facilitating clamping of the two, and preventing damage to the optical fiber assembly or the reinforcing member.
[0046] In order to protect the optical fiber assembly, the reinforcing member and the like, as shown in Figure 1 , the middle shaft cavity 5 comprises a tapered cavity 502 and a straight cavity 501, wherein: the tapered cavity 502 is communicated with one end or opposite ends of the straight cavity 501, and the inner diameter of the tapered cavity 502 gradually increases in a direction away from the straight cavity 501.
[0047] The side wall of the tapered cavity 502 is a smooth arc, the wide end of the tapered cavity 502 is convenient for the optical fiber assembly to enter or exit the middle shaft cavity 5, the side wall of the middle shaft cavity 5 is prevented from damaging the optical fiber assembly, and the production quality and production efficiency are improved.
[0048] As an optional embodiment, as shown in Figure 2 Figure 3 Figures 1-3As shown, when the protruding part 3 is clamped with the clamping groove 4, the first half mold 1 and the second half mold 2 are spliced into a cylindrical mold body.
[0049] The sizing die with the above structure is convenient for limiting the materials such as optical fibers and reinforcing members, and preventing the optical cable from being eccentric.
[0050] Embodiment 2
[0051] The embodiment provides an optical cable production equipment, which comprises the above online detachable sizing die.
[0052] The optical cable production equipment has the above online detachable sizing die, so that the sizing die can be replaced during production operation, the device is convenient to use, low in cost, and capable of reducing the optical cable production cost.
[0053] In the description of the specification, specific features, structures or characteristics can be combined in any one or more embodiments or examples in a suitable manner.
[0054] In the description of the specification, the description of the terms "one embodiment", "some embodiments", "example", "specific example" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the utility model. In the description of the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. In addition, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.
[0055] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the technical field can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.
Claims
1. A sizing die which is detachable on line, characterized by, The first half mold and the second half mold are provided with a convex part and a clamping groove respectively, and when the convex part is clamped with the clamping groove, the first half mold and the second half mold are connected to each other and a middle shaft cavity and a side shaft cavity are formed, the middle shaft cavity is used for passing through an optical fiber assembly, and the side shaft cavity is used for passing through a reinforcing member, and the axis lines of the middle shaft cavity and the side shaft cavity are arranged in parallel. The convex part and the clamping groove are arranged to be separable under the action of an external force, so that the first half mold and the second half mold are separated from each other. The first half mold is provided with a first middle shaft groove and a first side shaft groove, and the second half mold is provided with a second middle shaft groove and a second side shaft groove.
2. The removable sizing die of claim 1, wherein, When the convex part is clamped with the clamping groove, the first middle shaft groove and the second middle shaft groove are connected to each other to form the middle shaft cavity, and the second middle shaft groove and the second side shaft groove are connected to each other to form the side shaft cavity. The radial section of the first middle shaft groove and the radial section of the first side shaft groove are both semicircular, and the first middle shaft groove and the first side shaft groove both extend along the axial direction of the first half mold.
3. The removable sizing die of claim 2, wherein, The radial section of the second middle shaft groove and the radial section of the second side shaft groove are both semicircular, and the second middle shaft groove and the second side shaft groove both extend along the axial direction of the second half mold.
4. The removable sizing die of claim 2, wherein, The convex part is arranged on the opposite sides of the first middle shaft groove and the first side shaft groove.
5. The removable sizing die of claim 2, wherein, The clamping groove is arranged on the opposite sides of the second middle shaft groove and the second side shaft groove. The length direction of the convex part is arranged along the axial direction of the first half mold, and the length direction of the clamping groove is arranged along the axial direction of the second half mold.
6. The removable sizing die of claim 1, wherein, The radial section of the convex part and the radial section of the clamping groove are both arc-shaped structures matched with each other.
7. The removable sizing die of claim 1 wherein, The middle shaft cavity includes a tapered cavity and a straight cavity.
8. The removable sizing die of claim 1, wherein, The tapered cavity is connected to one end or opposite ends of the straight cavity, and the inner diameter of the tapered cavity gradually increases in the direction away from the straight cavity. When the convex part is clamped with the clamping groove, the first half mold and the second half mold are connected to each other to form a cylindrical mold body.
9. The removable sizing die of claim 1 wherein, The online detachable sizing die comprises the online detachable sizing die according to any one of claims 1-9.
10. An optical cable production apparatus characterized by comprising: