Cable forming device

Abstract

The utility model belongs to the technical field of cable production, and particularly relates to a cable forming device which comprises an inner die body, a middle die body and an outer die body which are sequentially arranged. Forming paths which are communicated with one another are arranged in the inner mold body, the middle mold body and the outer mold body; the forming path is also used for conveying a metal conductor of the cable; a first pouring gap is formed between the inner mold body and the middle mold body; the first pouring gap is communicated with the forming path; a second pouring gap is formed between the middle mold body and the outer mold body; the second pouring gap is communicated with the forming path; a first conveying channel and a second conveying channel are arranged on the middle die body; the second conveying channel is communicated with the second pouring gap; the first conveying channel communicates with the first pouring gap. According to the utility model, the forming orderliness can be ensured, the operation stability and efficiency are improved, and the defective rate of cables is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of cable production technology, and in particular relates to a cable forming device. Background Technology

[0002] Cables are a general term for items such as optical cables and electrical cables. Cables have many uses, primarily for control installation, equipment connection, power transmission, and information transmission; they are a common and indispensable part of daily life. Cables are generally made by winding multiple independent strands of metal wires together, and after winding, an insulation layer is wrapped around them. Current production methods often involve setting up a furnace at a high altitude to melt the insulating material, then circulating it through pipes into a cavity through which the metal strands pass. The insulating material adhering to the strands gradually cools after leaving the cavity.

[0003] However, the cable structure produced by the cable insulation forming equipment has poor stability and low production efficiency. Utility Model Content

[0004] The purpose of this utility model is to provide a cable forming device that can solve any of the above-mentioned technical problems, in order to address the shortcomings of the existing technology.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A cable forming apparatus includes an inner mold body, a middle mold body, and an outer mold body arranged sequentially. Each of the inner mold body, the middle mold body, and the outer mold body has an interconnected forming path inside. The forming path is also used to convey the metal conductor of the cable. A first casting gap is provided between the inner mold body and the middle mold body, and the first casting gap is connected to the forming path. A second casting gap is provided between the middle mold body and the outer mold body, and the second casting gap is connected to the forming path. The middle mold body has a first conveying channel and a second conveying channel. The second conveying channel is connected to the second casting gap, and the first conveying channel is connected to the first casting gap.

[0007] Preferably, the first conveying channel and the second conveying channel are disposed opposite to each other at the upper and lower ends of the middle mold body; the output port of the second conveying channel is connected to the second pouring gap; and the first conveying channel is not connected to the second pouring gap; the second conveying channel is not connected to the first pouring gap.

[0008] Preferably, the first conveying channel includes a first through hole and a second through hole arranged vertically; the first through hole extends along the height direction of the intermediate mold body; the second through hole extends along the thickness direction of the intermediate mold body and communicates with the first casting gap.

[0009] And / or, the second conveying channel comprises a third through hole and a fourth through hole arranged vertically; the third through hole is arranged along the height direction of the middle mold body; the fourth through hole is arranged along the thickness direction of the middle mold body and communicates with the second pouring gap.

[0010] Preferably, the inner mold body is provided with at least one conductor conveying channel at one side end facing the first pouring gap; the conductor conveying channel is arranged through the thickness of the inner mold body; and the inner diameter of the conductor conveying channel is greater than the outer diameter of the metal conductor; an air suction gap is arranged between the conductor conveying channel and the metal conductor; the input port of the air suction gap communicates with the air suction pressure pipe;

[0011] And / or, the inner mold body is provided with at least one first air charging channel at one side end facing the first pouring gap; the first air charging channel is arranged through the thickness of the inner mold body; and the input port of each first air charging channel is provided with an air blowing assembly.

[0012] Preferably, the air blowing assembly comprises an air blowing forming pipe; the air blowing forming pipe is provided with an air charging hole; the air charging hole communicates with the input port of the first air charging channel.

[0013] Preferably, the inner mold body is provided with a mounting protrusion in the side surface facing the middle mold body; a guide arc segment is arranged between the top of the mounting protrusion and the inner top of the inner mold body; a flow guide recess segment is arranged between the bottom of the mounting protrusion and the inner bottom of the inner mold body; and a linking segment is arranged between the flow guide recess segment and the guide arc segment; the guide arc segment, the flow guide recess segment and the linking segment all communicate with the first pouring gap.

[0014] Preferably, the middle mold body is provided with a forming mold; the forming path is arranged through the forming mold; and the forming mold is arranged extending in the direction of the outer mold body.

[0015] Preferably, the forming mold is provided with a forming cavity; an intermediate inner protrusion is arranged in the inner middle part of the forming cavity; the intermediate inner protrusion can make the forming cavity form a first cavity and a second cavity; at least two side edge surrounding protrusions are arranged along the inner walls of the first cavity and the second cavity.

[0016] Preferably, the outer mold body is provided with a third conveying cavity; the input end of the third conveying cavity communicates with the output end of the forming cavity; the third conveying cavity, the forming cavity and the conductor conveying channel form the forming path.

[0017] Preferably, the output end of the outer mold body is further provided with a cooling channel; the cooling channel is connected to the third conveying cavity; and the inner diameter of the cooling channel on the side closer to the third conveying cavity is smaller than the inner diameter of the cooling channel on the side farther away from the third conveying cavity.

[0018] The beneficial effects of this utility model are that the technical solution adopts a three-layer sealed molding setting of inner mold, middle mold body and outer mold body to form a second pouring gap and a first pouring gap, thereby realizing the molding process of the inner pouring layer and the outer pouring layer of the cable; and by feeding the two materials through a single component of the first conveying channel and the second conveying channel of the middle mold body, the molding order can be ensured, and the operational stability and efficiency can be improved, thereby reducing the defect rate of the cable. Attached Figure Description

[0019] The following will refer to the appendix. Figures 1-7 This section describes the features, advantages, and technical effects of exemplary embodiments of the present invention.

[0020] Figure 1 This is a cross-sectional view of a cable forming apparatus according to an embodiment of the present invention;

[0021] Figure 2 This is an exploded view of a cable forming device according to an embodiment of the present invention;

[0022] Figure 3 This is a schematic diagram of the inner mold body of a cable forming device according to an embodiment of the present invention;

[0023] Figure 4 This is a schematic diagram of the inner mold body of a cable forming device according to an embodiment of the present invention;

[0024] Figure 5 This is a front view of the inner mold body of a cable forming device according to an embodiment of the present invention;

[0025] Figure 6 This is a schematic diagram of the structure of the middle mold body of a cable forming device according to an embodiment of the present invention;

[0026] Figure 7 This is a schematic diagram of the structure of the middle mold body of a cable forming device according to an embodiment of the present invention.

[0027] In the diagram: 100 - Metal conductor; 200 - Inner mold body; 2011 - Guide arc section; 2012 - Mounting protrusion; 2013 - Guide recess section; 2014 - Connecting section; 202 - Conductor conveying channel; 203 - First inflation channel; 210 - Air blowing assembly; 211 - Air blowing forming tube; 212 - Inflation hole; 213 - Installation gap; 300 - Middle mold body; 301 - First conveying channel; 3011 - First through hole; 3012-Second through hole; 302-Second conveying channel; 3021-Third through hole; 3022-Fourth through hole; 310-Molding mold; 311-Guide bevel; 312-Intermediate inner protrusion; 313-Molding cavity; 314-Side surrounding protrusion; 400-Outer mold body; 401-Third conveying cavity; 402-Cooling channel; 601-First pouring gap; 602-Second pouring gap. Detailed Implementation

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0029] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0030] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0031] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, or multiple situations existing alone. In addition, the character " / " in this document generally indicates that the related objects before and after are in an "or" relationship.

[0032] In the description of the embodiments of this application, unless otherwise expressly specified and limited, the technical terms such as "installation," "connection," "joining," and "fixing" 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. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0033] The following is in conjunction with the appendix Figures 1-7 The present invention will be described in further detail, but this is not intended to limit the scope of the present invention.

[0034] like Figure 1 and 2 As shown in one embodiment of this utility model, the cable forming device includes an inner mold body 200, a middle mold body 300, and an outer mold body 400 arranged sequentially. Each of the inner mold body 200, the middle mold body 300, and the outer mold body 400 has interconnected forming paths. These forming paths are also used to transport the metal conductor 100 of the cable. A first casting gap 601 is provided between the inner mold body 200 and the middle mold body 300, and the first casting gap 601 is connected to the forming path. A second casting gap 602 is provided between the middle mold body 300 and the outer mold body 400, and the second casting gap 602 is connected to the forming path. The middle mold body 300 has a first conveying channel 301 and a second conveying channel 302. The second conveying channel 302 is connected to the second casting gap 602, and the first conveying channel 301 is connected to the first casting gap 601.

[0035] The technical solution of this utility model adopts a three-layer sealed molding setting of inner mold, middle mold body and outer mold body to form a second pouring gap and a first pouring gap, thereby realizing the molding process of the inner pouring layer and the outer pouring layer of the cable; and by feeding two materials through a single component of the first conveying channel and the second conveying channel of the middle mold body, the molding order can be ensured, the operational stability and efficiency can be improved, and the defect rate of the cable can be reduced.

[0036] Specifically, in some implementations, such as Figure 1 and 2 As shown, the first conveying channel 301 and the second conveying channel 302 are disposed opposite to each other at the upper and lower ends of the middle mold body 300. The output port of the second conveying channel 302 is connected to the second pouring gap 602; and the first conveying channel 301 is not connected to the second pouring gap 602; the second conveying channel 302 is not connected to the first pouring gap 601. Wherein, as... Figure 1, 2 As shown in Figure 6, the first conveying channel 301 includes a vertically arranged first through hole 3011 and a second through hole 3012; the first through hole 3011 extends along the height direction of the intermediate mold body 300; the second through hole 3012 extends along the thickness direction of the intermediate mold body 300 and communicates with the first casting gap 601. Wherein, as... Figure 1 , 2 As shown in Figure 6, the second conveying channel 302 includes a vertically arranged third through hole 3021 and a fourth through hole 3022; the third through hole 3021 extends along the height direction of the intermediate mold body 300; the fourth through hole 3022 extends along the thickness direction of the intermediate mold body 300 and communicates with the second casting gap 602. This structure allows for the separate feeding of two (same or different) casting materials through the upper and lower ends of the intermediate mold body 300, enabling the feeding and conveying of a single component with different materials. This facilitates subsequent maintenance and repair operations during the feeding process and reduces the need to inspect multiple components. Furthermore, the intermediate mold body 300 enables material feeding from both the front and rear sides, ensuring the smoothness of the molding process in different stages.

[0037] Specifically, in some implementations, such as Figure 1 , 2 As shown in Figure 5, the inner mold body 200 has at least one conductor conveying channel 202 on one side facing the first casting gap 601; the conductor conveying channel 202 penetrates the thickness of the inner mold body 200; and the inner diameter of the conductor conveying channel 202 is larger than the outer diameter of the metal conductor 100; an air suction gap is provided between the conductor conveying channel 202 and the metal conductor 100; the inlet of the air suction gap is connected to an air extraction pipe; the inner mold body 200 has at least one first inflation channel 203 on one side facing the first casting gap 601; the first inflation channel 203 penetrates the thickness of the inner mold body 200; and each first inflation channel 203 has an air blowing component 210 at its inlet. There are twelve first inflation channels 203, symmetrically arranged inside the inner mold body 200. For example... Figure 1 and 5 As shown, the suction pipe is used to connect to the suction press; the inlet of the suction pipe is located between the outer wall of the cable's metal conductor and the inner wall of the conductor conveying channel 202. Further, as... Figure 5 As shown, there are two conductor delivery channels 202, symmetrically arranged inside the inner mold body 200. Furthermore, as... Figure 3 and 4As shown, the air-blowing assembly 210 includes an air-blowing forming tube 211; the air-blowing forming tube 211 is provided with an air-filling hole 212; the air-filling hole 212 is connected to the input port of the first air-filling channel 203. That is to say, when the first material is fed to the first casting gap 601, through the continuous air-blowing action of the air-blowing forming tube 211, and with the continuous conveying action of the cable metal conductor, the initial structure of the cable forms 12 air holes; and under the air-drawing action of the conductor conveying channel 202, the first material can adhere more tightly to the cable metal conductor, thereby improving the production quality and efficiency through the action of blowing and suction.

[0038] Specifically, in some implementations, such as Figure 2 and 3 As shown, the inner mold body 200 has a mounting protrusion 2012 on its surface facing the middle mold body 300; a guide arc segment 2011 is provided between the top of the mounting protrusion 2012 and the inner top of the inner mold body 200; a flow guiding recess segment 2013 is provided between the bottom of the mounting protrusion 2012 and the inner bottom of the inner mold body 200; and a connecting segment 2014 is provided between the flow guiding recess segment 2013 and the guide arc segment 2011; the guide arc segment 2011, the flow guiding recess segment 2013, and the connecting segment 2014 are all connected to the first casting gap 601. The guide arc segment 2011 is a semi-circular guide arc; the flow guiding recess segment 2013 is a semi-circular recess. By guiding the flow through both sides of the arc-shaped section 2011 and the connecting section 2014, combined with the forming effect of the bottommost guiding recessed section 2013, the smoothness and stability of the forming and conveying are improved.

[0039] Specifically, in some implementations, such as Figure 1 , 2 As shown in Figure 6, a forming mold 310 is provided inside the middle mold body 300; the forming path is disposed through the forming mold 310; and the forming mold 310 extends toward the outer mold body 400. In some embodiments, such as... Figure 6 and 7 As shown, the molding die 310 has a molding cavity 303; the molding cavity 303 has a central inner protrusion 312 in its center; the central inner protrusion 312 enables the molding cavity 303 to form a first cavity and a second cavity; the molding die 310 has at least two side-surrounding protrusions 314 surrounding the inner walls of the first cavity and the second cavity. Further, as... Figure 7As shown, the cross-section of the molding cavity 303 is a figure-eight symmetrical cavity. This structure conveys the cable metal conductor containing the first material and multiple pores through the interior of the molding mold 310 to form a preliminary casting body with a central depression and at least one groove around the upper and lower ends; thus realizing the first step of the segmented processing of the cable structure; finally, the special cable structure is formed by the reinforcing casting action of the second casting gap 602.

[0040] Specifically, in some implementations, such as Figure 1 and 2 As shown, the outer mold body 400 is provided with a third conveying cavity 401; the input end of the third conveying cavity 401 is connected to the output end of the forming cavity 303; the third conveying cavity 401, the forming cavity 303 and the conductor conveying channel 202 form the forming path; the output end of the outer mold body 400 is also provided with a cooling channel 402; the cooling channel 402 is connected to the third conveying cavity 401; and the inner diameter of the cooling channel 402 on the side closer to the third conveying cavity 401 is smaller than the inner diameter of the cooling channel 402 on the side farther away from the third conveying cavity 401.

[0041] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style of the specification is merely for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0042] Based on the disclosure and teachings of the above specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, this utility model is not limited to the specific embodiments described above, and any obvious improvements, substitutions, or modifications made by those skilled in the art based on this utility model are within the protection scope of this utility model. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on this utility model.

Claims

1. A cable forming apparatus characterized by: The inner mold body, the middle mold body and the outer mold body are sequentially arranged; the inner mold body, the middle mold body and the outer mold body are internally provided with a forming path in communication with each other; the forming path is also used for conveying a metal conductor of a cable; a first pouring gap is arranged between the inner mold body and the middle mold body; the first pouring gap is in communication with the forming path; a second pouring gap is arranged between the middle mold body and the outer mold body; the second pouring gap is in communication with the forming path; the middle mold body is provided with a first conveying channel and a second conveying channel; the second conveying channel is in communication with the second pouring gap; and the first conveying channel is in communication with the first pouring gap.

2. The cable forming apparatus of claim 1, wherein: The first conveying channel and the second conveying channel are oppositely arranged on upper and lower sides of the middle mold body; an output port of the second conveying channel is in communication with the second pouring gap; and the first conveying channel is not in communication with the second pouring gap; and the second conveying channel is not in communication with the first pouring gap.

3. The cable forming apparatus of claim 2, wherein: The first conveying channel comprises a first through hole and a second through hole arranged vertically; the first through hole is arranged along a height direction of the middle mold body; the second through hole is arranged along a thickness direction of the middle mold body and is in communication with the first pouring gap; And / or, the second conveying channel comprises a third through hole and a fourth through hole arranged vertically; the third through hole is arranged along a height direction of the middle mold body; the fourth through hole is arranged along a thickness direction of the middle mold body and is in communication with the second pouring gap.

4. The cable forming apparatus of claim 1, wherein: The inner mold body is provided with at least one conductor conveying channel at one side end facing the first pouring gap; the conductor conveying channel is arranged through the thickness of the inner mold body; and an inner diameter of the conductor conveying channel is greater than an outer diameter of the metal conductor; an air suction gap is arranged between the conductor conveying channel and the metal conductor; an input port of the air suction gap is in communication with a suction pressure pipe; And / or, the inner mold body is provided with at least one first air charging channel at one side end facing the first pouring gap; the first air charging channel is arranged through the thickness of the inner mold body; and an input port of each first air charging channel is provided with a blowing assembly.

5. The cable forming apparatus of claim 4, wherein: The blowing assembly comprises a blowing forming pipe; the blowing forming pipe is internally provided with an air charging hole; the air charging hole is in communication with the input port of the first air charging channel.

6. The cable forming apparatus of claim 1 or 4, wherein: The inner mold body is internally provided with a mounting protrusion at one side surface facing the middle mold body; a guide arc segment is arranged between a top of the mounting protrusion and an inner top of the inner mold body; a flow guide recess segment is arranged between a bottom of the mounting protrusion and an inner bottom of the inner mold body; and a linking segment is arranged between the flow guide recess segment and the guide arc segment; the guide arc segment, the flow guide recess segment and the linking segment are all in communication with the first pouring gap.

7. The cable forming apparatus of claim 4, wherein: The middle mold body is internally provided with a forming mold; the forming path is arranged through the forming mold; and the forming mold is arranged in an extending manner towards the outer mold body.

8. The cable forming apparatus of claim 7, wherein: The forming mold is internally provided with a forming cavity; an intermediate inner protrusion is arranged at the inner middle part of the forming cavity; the intermediate inner protrusion can make the forming cavity form a first cavity and a second cavity; at least two side edge surrounding protrusions are arranged along the inner walls of the first cavity and the second cavity.

9. The cable forming apparatus of claim 8, wherein: The outer mold body is internally provided with a third conveying cavity; the input end of the third conveying cavity is in communication with the output end of the forming cavity; the third conveying cavity, the forming cavity and the conductor conveying channel form the forming path.

10. The cable forming apparatus of claim 9, wherein: The output end of the outer mold body is further provided with a cooling channel; the cooling channel is in communication with the third conveying cavity; and the inner diameter of the side of the cooling channel close to the third conveying cavity is smaller than the inner diameter of the side of the cooling channel away from the third conveying cavity.

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