Submarine cable armored metal wire doubling die

Abstract

The utility model discloses a submarine cable armored metal wire doubling die, which comprises a main die (1) and at least one embedded die (2), the embedded die (2) is detachably connected to the inner side of the main die (1) and is used for reducing the diameter of a doubling hole (3) of the main die (1), and the wire inlet end of the doubling hole (3) of the main die (1) and the wire inlet end of the doubling hole (3) of each embedded die (2) are provided with doubling fillets (3.1). And the main mold (1) and the embedded mold (2) are tightly attached to each other. The submarine cable armored metal wire doubling die has the advantages that the doubling inner diameter is adjustable, the adaptability of the doubling die is improved, and the production cost and the storage cost of the doubling die are reduced.

Description

Technical Field

[0001] The utility model relates to the field of submarine cable production equipment, and particularly to a parallel wire die for submarine cable armor wires. Background Art

[0002] During the production of submarine cables, several layers of armor layer structures are added to the outer layer of the submarine cable to enhance the mechanical strength of the submarine cable to ensure the safety of the submarine cable during use on the seabed. During the forming process of the armor layer, a parallel wire die is used to parallel the metal wires for forming the armor layer to ensure the uniform distribution of the armor layer wound on the submarine cable, and thus ensure the uniformity of the forming thickness of the armor layer.

[0003] However, in actual production, the diameter sizes of submarine cables are diverse, while the inner diameter size of the conventional parallel wire die is single and the adaptability is poor. As a result, multiple specifications of parallel wire dies need to be developed to meet the production requirements of submarine cables, which greatly increases the production cost and storage cost of the parallel wire die. Summary of the Invention

[0004] The technical problem to be solved by the utility model is to provide a parallel wire die for submarine cable armor wires with adjustable parallel inner diameter, so as to increase the adaptability of the parallel wire die and reduce the production cost and storage cost of the parallel wire die.

[0005] The technical solution adopted by the utility model to solve the above problems is: a parallel wire die for submarine cable armor wires, including a main die and at least one embedded die. The embedded die is detachably connected to the inner side of the main die and is used to reduce the diameter of the parallel wire hole of the main die. The inlet ends of the parallel wire holes of the main die and the inlet ends of the parallel wire holes of each embedded die are both provided with parallel wire fillets, and the main die and the embedded die are closely attached to each other.

[0006] Compared with the prior art, the advantages of the present utility model are as follows: Through the detachable connection design between the inner embedded mold and the main mold, the diameter of the wire merging holes of the wire merging mold is adjustable. Firstly, the main mold itself has a certain specification of the diameter of the wire merging holes, and the design of each layer of the inner embedded mold can increase one more specification of the diameter of the wire merging holes, so that the wire merging mold can have multiple choices of the diameter of the wire merging holes, increasing the adaptability of the wire merging mold; From the perspective of the production cost of the wire merging mold, in order to adapt to the installation of the wire merging mold and ensure the structural strength of the wire merging mold, the installation structures of traditional multiple wire merging molds need to be designed, while the installation structure of the wire merging mold of this patent only needs to be designed one and is integrally formed with the main mold, thus saving a large amount of material costs; From the perspective of storing the wire merging mold, for traditional multiple wire merging molds, each specification of the wire merging mold requires a separate storage space, while the wire merging mold of this patent only needs two storage spaces, one is for production storage, that is, the storage space occupied when placed on production equipment, and the other is for out-of-production storage, that is, the storage space for stacking unused inner embedded molds, greatly reducing the storage space requirements and thus reducing the storage costs; The design of the wire merging fillet is to ensure that neither the main mold nor each inner embedded mold will damage the armored wire during the wire merging process; The main mold and the adjacent inner embedded molds are closely attached to each other. If there are multiple inner embedded molds, the adjacent two inner embedded molds are also closely attached to each other to ensure the structural compactness of the wire merging mold during the assembly process, ensure the structural stability, and avoid adverse phenomena such as deviation and shaking during the wire merging process.

[0007] As an improvement of the present utility model, the main mold adopts a split structure design composed of two semi-circular structures. Through this improvement, it is easy to achieve the close attachment setting between the main mold and the inner embedded mold, facilitating installation and fixation.

[0008] As an improvement of the present utility model, the inner embedded mold includes an inner layer mold and several intermediate layer molds. The several intermediate layer molds are arranged between the inner layer mold and the main mold. The inner layer mold is an integrally formed structure, and the intermediate layer mold adopts a split structure composed of two semi-circular structures. Through this improvement, it is easy to achieve the close attachment setting between the intermediate layer molds and between the intermediate layer mold and the inner layer mold, facilitating installation and fixation.

[0009] As an improvement of the present utility model, the inner wall of the main mold is provided with a main mold axial limiting groove, and the outer wall of the inner embedded mold connected to the main mold is provided with an inner embedded mold axial limiting flange. The main mold axial limiting groove and the inner embedded mold axial limiting flange are axially limited and connected. Through this improvement, axial separation between the main mold and the inner embedded mold is prevented, ensuring axial installation stability.

[0010] As an improvement of the present utility model, the inner embedded die axial limiting flange includes an inner die axial limiting flange and an interlayer die axial limiting flange. The interlayer die axial limiting flange is arranged on the outer wall of the interlayer die. An interlayer die axial limiting groove is arranged on the inner wall of the interlayer die. Axial limiting connection is carried out between two adjacent interlayer dies through the corresponding interlayer die axial limiting flange and the interlayer die axial limiting groove. The inner die axial limiting flange is arranged on the outer wall of the inner die. The inner die axial limiting flange is axially limitedly connected with the interlayer die axial limiting groove on the interlayer die connected to the inner die. Through the improvement, axial separation between two adjacent interlayer dies and between the inner die and the adjacent interlayer die is prevented, and axial installation stability between multiple inner embedded dies is ensured.

[0011] As an improvement of the present utility model, the splicing joints of the main die and the splicing joints of several interlayer dies are evenly distributed in a circumferential misalignment manner. Through the improvement, the splicing joints of the main die and the splicing joints of the interlayer dies are both weak points in structural strength. Distributing the splicing joints of the main die and the splicing joints of several interlayer dies evenly in a circumferential misalignment manner can disperse the weak points, prevent the concentration of weak points, and avoid affecting the assembly structure of the wire merging die and causing damage to the wire merging die during wire merging.

[0012] As an improvement of the present utility model, a positioning groove is arranged on the outer wall of the interlayer die axial limiting flange and the outer wall of the inner die axial limiting flange. A positioning point is arranged on both the main die axial limiting groove and the interlayer die axial limiting groove. The positioning point on the main die axial limiting groove is positioned and connected with the positioning groove on the adjacent inner embedded die axial limiting flange. Positioning connection is also carried out between two adjacent inner embedded dies through the corresponding positioning groove and positioning point. Through the improvement, positioning installation of each inner embedded die can not only ensure that the splicing joints of the main die and the splicing joints of several interlayer dies are evenly distributed in a circumferential misalignment manner, but also prevent the interlayer die and the inner die from rotating during wire merging.

[0013] As an improvement of the present utility model, a snap-fitting parting surface is arranged at the splicing joints of the main die and the splicing joints of the interlayer die. The snap-fitting parting surface is formed by snapping together a snap-fitting groove and a snap-fitting block. One end of the snap-fitting parting surface is close to the wire merging fillet. Through the improvement, through the design of the snap-fitting parting surface, the phenomenon that the metal wire collinearizes or overlaps with the splicing joints of the main die or the splicing joints of the interlayer die during wire merging can be avoided, so that the metal can be prevented from embedding into the main die or the interlayer die along the splicing joints and rubbing against the main die or the interlayer die, causing damage to the main die or the interlayer die. During the wire merging process, the main contact area between the metal wire and the wire merging die is the wire merging fillet area. Therefore, one end of the snap-fitting parting surface is close to the wire merging fillet. Description of the Drawings

[0014] Figure 1 It is a schematic diagram of the overall sectional structure of the present utility model.

[0015] Figure 2 It is a schematic diagram of the overall application structure of the present utility model.

[0016] Figure 3 It is a schematic diagram of the overall front view structure of the present utility model.

[0017] Figure 4 It is a schematic diagram of the overall exploded structure of the present utility model.

[0018] Figure 5 It is a schematic diagram of the side view structure of one of the sandwich molds of the present utility model.

[0019] Figure 6 It is a schematic diagram of the connection structure between the positioning groove and the positioning point of the present utility model.

[0020] Figure 7 It is a schematic diagram of the snap-fit parting surface structure of the present utility model.

[0021] As shown in the figure: 1. Main mold, 1.1. Axial limiting groove of the main mold, 2. Inner embedded mold, 2.1. Inner layer mold, 2.1.1. Axial limiting flange of the inner layer mold, 2.2. Sandwich mold, 2.2.1. Axial limiting flange of the sandwich mold, 2.2.2. Axial limiting groove of the sandwich mold, 3. Wire combining hole, 3.1. Wire combining fillet, 4. Positioning groove, 5. Positioning point, 6. Snap-fit parting surface, 6.1. Snap-fit groove, 6.2. Snap-fit block, 7. Submarine cable. Specific embodiments

[0022] The following further describes the embodiments of the present utility model with reference to the accompanying drawings.

[0023] As Figure 1 shown, a wire combining mold for submarine cable armor wires includes a main mold 1 and three inner embedded molds 2. The inner embedded molds 2 are detachably connected to the inside of the main mold 1 and are used to reduce the diameter of the wire combining hole 3 of the main mold 1. The inlet ends of the wire combining holes 3 of the main mold 1 and the inlet ends of the wire combining holes 3 of each inner embedded mold 2 are provided with wire combining fillets 3.1. The main mold 1 and the adjacent inner embedded mold 2 and between two adjacent inner embedded molds 2 are all arranged in close fit.

[0024] As Figure 2 shown, during the use of the wire combining mold, a stranding machine is provided at the inlet end of the wire combining mold. The submarine cable 7 passes through the wire combining hole 3, and the metal wires discharged from the stranding machine are reduced in diameter through the wire combining mold. At the same time, the rotation of the stranding machine causes the metal wires to wind around the surface of the submarine cable 7. At this time, the distance between the surface of the submarine cable 7 and the wire combining hole 3 is greater than the diameter of one metal wire and less than the diameter of two metal wires. Therefore, in the wire combining hole 3, the metal wires will evenly cover the submarine cable 7 and will not overlap.

[0025] As Figure 2-4 shown, the main mold 1 is designed with a split structure formed by splicing two semi-circular structures. The embedded mold 2 includes an inner layer mold 2.1 and two sandwich molds 2.2. The two sandwich molds 2.2 are arranged between the inner layer mold 2.1 and the main mold 1. The inner layer mold 2.1 is an integrally formed structure, and the sandwich mold 2.2 also adopts a split structure formed by splicing two semi-circular structures.

[0026] During the assembly process of the wire splicing mold, only the sandwich mold 2.2 and the main mold 1 need to be spliced in sequence, and finally fixed by bolts on both sides of the main mold 1. During the splicing process of the main mold 1, the two semi-circular structures of the sandwich mold 2.2 will also approach each other for splicing to ensure the tightness of the splicing of the sandwich mold 2.2, and no fasteners are used for the splicing and fixing of the sandwich mold 2.2. At the same time, the bolts on both sides of the main mold 1 are also used to fix the bracket structure of the wire splicing mold.

[0027] As Figure 1 、 Figure 4 shown, a main mold axial limiting groove 1.1 is provided on the inner wall of the main mold 1, and an embedded mold axial limiting flange is provided on the outer wall of the embedded mold 2. The embedded mold axial limiting flange includes an inner layer mold axial limiting flange 2.1.1 provided on the outer wall of the inner layer mold 2.1 and a sandwich mold axial limiting flange 2.2.1 provided on the outer wall of the sandwich mold 2.2. The sandwich mold axial limiting flange 2.2.1 on the sandwich mold 2.2 connected to the main mold 1 is axially limited and connected with the main mold axial limiting groove 1.1. A sandwich mold axial limiting groove 2.2.2 is provided on the inner wall of the sandwich mold 2.2, and the two connected sandwich molds 2.2 are axially limited and connected through the corresponding sandwich mold axial limiting flange 2.2.1 and sandwich mold axial limiting groove 2.2.2. The inner layer mold axial limiting flange 2.1.1 is axially limited and connected with the sandwich mold axial limiting groove 2.2.2 on the sandwich mold 2.2 connected to the inner layer mold 2.1.

[0028] As Figure 3-6 shown, the splicing connection of the main mold 1 and the splicing connections of the two sandwich molds 2.2 are evenly staggered along the circumferential direction. A positioning groove 4 is provided on the outer wall of the sandwich mold axial limiting flange 2.2.1 and on the outer wall of the inner layer mold axial limiting flange 2.1.1. A positioning point 5 is provided on both the main mold axial limiting groove 1.1 and the sandwich mold axial limiting groove 2.2.2. The positioning point 5 on the main mold axial limiting groove 1.1 is positioned and connected with the positioning groove 4 on the connected embedded mold axial limiting flange, and the two connected embedded molds 2 are also positioned and connected through the corresponding positioning groove 4 and positioning point 5.

[0029] As Figure 4 、 Figure 7As shown, a snap joint parting surface 6 is provided at the splicing joint of the main mold 1 and the splicing joint of the sandwich mold 2.2. The snap joint parting surface 6 is formed by snapping together a snap groove 6.1 and a snap block 6.2. The snap joint parting surface 6 is provided at one end close to the wire merging fillet 3.1. In actual production, during the wire diameter reduction process, the main contact area with the wire merging hole 3 is at the wire merging fillet 3.1. Therefore, the snap joint parting surface 6 can be directly provided on the wire merging fillet. Taking one of the sandwich molds 2.2 as an example, the sandwich mold 2.2 has two semi-circular structures. One end of one semi-circular structure is provided with a snap groove 6.1, and the other end is provided with a snap block 6.2. The corresponding end of the other semi-circular structure is provided with a snap block 6.2, and the other end is provided with a snap groove 6.1. Then, during splicing, the snap groove 6.1 of one semi-circular structure is snapped together with the snap block 6.2 of the other semi-circular structure to form the snap joint parting surface 6, and the snap block 6.2 of one semi-circular structure is snapped together with the snap groove 6.1 of the other semi-circular structure to also form the snap joint parting surface 6. Or both ends of one semi-circular structure are provided with snap grooves 6.1, and both ends of the other semi-circular structure are provided with corresponding mating blocks, which also meets the requirement of forming the snap joint parting surface 6, but the production cost of the semi-circular structure in this scheme is relatively high. Similarly, the other sandwich mold 2.2 and the main mold 1 also adopt such a snap joint parting surface 6 structure design, so as to ensure that when different sandwich molds 2.2 or the main mold 1 perform wire merging, damage to the wire merging mold is avoided.

[0030] The above is only an illustration of the best embodiment of the present invention, but it should not be construed as a limitation of the claims. The present invention is not limited to the above embodiments, and its specific structure allows for changes. All changes made within the protection scope of the independent claims of the present invention are within the protection scope of the present invention.

Claims

1. A submarine cable armored metal wire paralleling die, characterized in that: The invention comprises a main mold (1) and at least one embedded mold (2), wherein the embedded mold (2) is detachably connected to the inner side of the main mold (1) and is used to reduce the diameter of the parallel wire hole (3) of the main mold (1), the wire inlet end of the parallel wire hole (3) of the main mold (1) and the wire inlet end of each parallel wire hole (3) of the embedded mold (2) are provided with a parallel wire fillet (3.1), and the main mold (1) and the embedded mold (2) are arranged to fit tightly.

2. A submarine cable armored metal wire paralleling die according to claim 1, characterized in that: The main mold (1) adopts a split structure design formed by splicing two semicircular structures.

3. A submarine cable armored metal wire paralleling die according to claim 2, characterized in that: The embedded mold (2) comprises an inner layer mold (2.1) and a plurality of sandwich molds (2.2); the plurality of sandwich molds (2.2) are arranged between the inner layer mold (2.1) and the main mold (1); the inner layer mold (2.1) is an integrated molding structure; and the sandwich mold (2.2) is a split structure formed by splicing two semicircular structures.

4. A submarine cable armored metal wire paralleling die according to claim 3, characterized in that: A main mold axial limit groove (1.1) is provided on the inner wall of the main mold (1), an inner mold axial limit flange is provided on the outer wall of the inner mold (2) connected to the main mold (1), and the main mold axial limit groove (1.1) and the inner mold axial limit flange are connected to each other in an axial limit manner.

5. A submarine cable armored metal wire paralleling die according to claim 4, characterized in that: The embedded mold axial limit flange comprises an inner mold axial limit flange (2.1.1) and a sandwich mold axial limit flange (2.2.1); the sandwich mold axial limit flange (2.2.1) is arranged on the outer wall of the sandwich mold (2.2); a sandwich mold axial limit groove (2.2.2) is arranged on the inner wall of the sandwich mold (2.2); the two connected sandwich molds (2.2) are axially limitedly connected via the corresponding sandwich mold axial limit flange (2.2.1) and the sandwich mold axial limit groove (2.2.2); the inner mold axial limit flange (2.1.1) is arranged on the outer wall of the inner mold (2.1); the inner mold axial limit flange (2.1.1) is axially limitedly connected to the sandwich mold axial limit groove (2.2.2) on the sandwich mold (2.2) connected to the inner mold (2.1).

6. A submarine cable armored metal wire paralleling die according to claim 5, characterized in that: The splicing connection points of the main mold (1) and the splicing connection points of the plurality of sandwich molds (2.2) are evenly staggered and distributed along the circumferential direction.

7. A submarine cable armored metal wire paralleling die according to claim 6, characterized in that: A positioning groove (4) is provided on the outer wall of the sandwich mold axial limit flange (2.2.1) and the outer wall of the inner mold axial limit flange (2.1.1); a positioning point (5) is provided on the main mold axial limit groove (1.1) and the sandwich mold axial limit groove (2.2.2); the positioning point (5) on the main mold axial limit groove (1.1) is positioned and connected with the positioning groove (4) on the axial limit flange of the connected embedded mold (2); and the two connected embedded molds (2) are also positioned and connected with the positioning point (5) via the corresponding positioning groove (4).

8. The submarine cable armored metal wire paralleling die according to claim 3, characterized in that: A snap-fit ​​parting surface (6) is provided at the splicing connection of the main mold (1) and the splicing connection of the sandwich mold (2.2). The snap-fit ​​parting surface (6) is formed by snapping together a snap-fit ​​groove (6.1) and a snap-fit ​​block (6.2). The snap-fit ​​parting surface (6) is close to one end of the parallel fillet (3.1).

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