Coaxial cable wrapping and pressing device

Abstract

The utility model provides a coaxial cable wrapping and compressing device, which comprises a mould main body and a mould core detachably arranged in the mould main body, the mould main body is of a cylindrical structure, the top end of the mould main body is coaxially provided with a cylindrical mounting groove, the whole mould core is in a circular ring shape, and the mould core is provided with a clamping groove. The mold core is provided with a cylindrical inner wall and a cylindrical outer wall, the inner wall and the outer wall are smoothly connected through an arc-shaped surface protruding towards the inner side, the outer diameter of the mold core is matched with the diameter of the mounting groove, and the inner diameter of the mold core is matched with the outer diameter of a PTFE wrapping layer of the coaxial cable; the mold core is arranged in the mounting groove, and the inner diameter of the mold body is smaller than the outer diameter of the mold core and larger than the inner diameter of the mold core. According to the utility model, the structure is optimized, the die main body and the die core are combined, the die core is replaced to adapt to different coaxial cables, the applicability is improved, the die main body and the die core can be made of different materials, and the cost is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to coaxial cable preparation technical field, especially a kind of coaxial cable wrap tight pressing device. BACKGROUND

[0002] With the continuous development of communication technology, the performance requirements of coaxial cable are higher and higher. As a key component in the wrapping link of coaxial cable, the rationality of the design of the wrapping tight pressing die directly affects the quality and performance of the cable.

[0003] The tight pressing die of the PTFE (Polytetrafluoroethylene) wrapping layer of the coaxial cable on the market at present is an integral structure as shown in Figure 1 , which needs to replace the matching tight pressing die when pressing different diameter coaxial cables, and has poor applicability. At the same time, the integral tight pressing die is made of the same high-quality die steel, which has high manufacturing cost. If the die is damaged, it cannot be used, and the use cost is high. Therefore, it is necessary to provide a coaxial cable wrapping tight pressing device to solve or at least partially solve the above problems. SUMMARY

[0004] The utility model embodiment provides a kind of coaxial cable wrap tight pressing device, optimization structure, be set as the combination structure of die main body and die core, different coaxial cables are adapted to by replacing die core, improve applicability, die main body and die core can use different material, reduce cost.

[0005] The utility model embodiment provides a kind of coaxial cable wrap tight pressing device, including die main body and the die core of detachable setting in die main body, the die main body is cylindrical structure, the top of the die main body is coaxially provided with cylindrical mounting groove, the die core is overall annular, the die core has cylindrical inner wall and outer wall, the inner wall is smoothly connected with the outer wall by the arc surface that projects to inboard, the outer diameter of the die core is matched with the diameter of the mounting groove, the inner diameter of the die core is matched with the outer diameter of the PTFE wrapping layer of coaxial cable;The die core is set in the mounting groove, the inner diameter of the die main body is less than the outer diameter of the die core and greater than the inner diameter of the die core.

[0006] Preferably, the height of the die core is greater than the depth of the mounting groove.

[0007] Preferably, the curvature of the arc surface connecting the inner wall and the outer wall of the die core is 1 / 4 circular arc.

[0008] Preferably, the bottom surface of the die main body is an inclined surface inclined inward, and the included angle between the bottom surface and the inner wall of the die main body is 30°-60°.

[0009] Preferably, the top outer diameter of the mold body is larger than the bottom outer diameter, and a mounting step is formed on the outside of the mold body.

[0010] Preferably, the edge of the mounting step of the mold body is provided with an inclined chamfer.

[0011] Preferably, the top edge and the bottom edge of the outer wall of the mold body are provided with an inclined chamfer.

[0012] Preferably, the inner wall of the mold body and the bottom surface are smoothly connected through an arc surface protruding inwardly.

[0013] Preferably, an inclined chamfer is arranged between the bottom surface of the mounting groove and the inner wall of the mold body.

[0014] Compared with the prior art, the technical scheme of the utility model has beneficial effects.

[0015] For example, the coaxial cable wrapping and pressing device comprises a mold body and a mold core which is detachably arranged in the mold body, the mold body is in a cylindrical structure, a cylindrical mounting groove is coaxially arranged at the top end of the mold body, the mold core is in a whole annular shape, the mold core has a cylindrical inner wall and an outer wall, the inner wall and the outer wall are smoothly connected through an arc surface protruding inwardly, the outer diameter of the mold core matches the diameter of the mounting groove, and the inner diameter of the mold core matches the outer diameter of the PTFE wrapping layer of the coaxial cable; the mold core is arranged in the mounting groove, the inner diameter of the mold body is smaller than the outer diameter of the mold core and larger than the inner diameter of the mold core; the combination structure of the mold body and the mold core is arranged, different coaxial cables are adapted by replacing the mold core, the applicability is improved, the mold body and the mold core can adopt different materials, and the cost is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a schematic view of the existing coaxial cable PTFE wrapping and pressing mold structure;

[0017] Figure 2 is a schematic view of the coaxial cable wrapping and pressing device structure in the embodiment of the utility model;

[0018] Figure 3 is a front view of the mold body in the embodiment of the utility model;

[0019] Figure 4 is a sectional view of the mold body in the embodiment of the utility model;

[0020] Figure 5 is a sectional view of the mold core in the embodiment of the utility model.

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1. Mold body; 2. Mold core; 11. Mounting groove; 12. Mounting step. Detailed Implementation

[0023] To make the objectives, features, and beneficial effects of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings. It is to be understood that the specific embodiments described below are merely for explaining this utility model and are not intended to limit it. Furthermore, the same or similar reference numerals may be used in the drawings to refer to the same or similar elements in different embodiments, and descriptions of the same or similar elements in different embodiments, as well as descriptions of prior art elements, features, effects, etc., may be omitted.

[0024] Reference Figures 2-5 This utility model provides a coaxial cable wrapping and pressing device.

[0025] Specifically, the coaxial cable wrapping and pressing device includes a mold body 1 and a detachable mold core 2 disposed in the mold body 1. The mold body 1 has a cylindrical structure, and a cylindrical mounting groove 11 is coaxially disposed at the top of the mold body 1. The mold core 2 is generally annular, and has a cylindrical inner wall and an outer wall. The inner wall and the outer wall are smoothly connected by an inwardly protruding arc surface. The outer diameter of the mold core 2 matches the diameter of the mounting groove 11, and the inner diameter of the mold core 2 matches the outer diameter of the PTFE wrapping layer of the coaxial cable. The mold core 2 is disposed in the mounting groove 11, and the inner diameter of the mold body 1 is smaller than the outer diameter of the mold core 2 but larger than the inner diameter of the mold core 2. The detachable combination structure of the mold body 1 and the mold core 2 allows for the replacement of the mold core 2 to adapt to different coaxial cables, improving applicability. The mold body 1 and the mold core 2 can be made of different materials, with only the mold core 2 made of high-quality steel, reducing production costs. When the mold body 1 or the mold core 2 is damaged, only the damaged part can be replaced, reducing usage costs.

[0026] In some embodiments, the height of the mold core 2 is greater than the depth of the mounting groove 11, which facilitates the installation and disassembly of the mold core 2.

[0027] In some embodiments, the arc of the arc surface connecting the inner and outer walls of the mold core 2 is 1 / 4 of a circle; increasing the arc of the arc surface is beneficial for the passage of coaxial cables.

[0028] In some embodiments, the bottom surface of the mold body 1 is an inwardly inclined slope, and the angle between the bottom surface of the mold body 1 and the inner wall is 30°-60°, preferably 45°. The inclined slope serves as a guide when the coaxial cable passes through.

[0029] In some embodiments, the top outer diameter of the mold body 1 is larger than the bottom outer diameter, and an installation step 12 is formed on the outside of the mold body 1 to facilitate the fixed installation of the mold body 1.

[0030] In some embodiments, the inner wall of the mold body 1 and the bottom surface are smoothly connected by an inwardly protruding arc surface to avoid damage to the PTFE wrapping layer when the coaxial cable passes through.

[0031] In some embodiments, the edge of the mounting step 12 of the mold body 1 is provided with a chamfer to avoid forming a sharp edge that could scratch the operator when installing the mold core 2.

[0032] In some embodiments, the top and bottom edges of the outer wall of the mold body 1 are provided with chamfers to avoid forming sharp edges that could scratch operators when installing the mold body 1.

[0033] In some embodiments, a chamfer is provided between the bottom surface of the mounting groove 11 and the inner wall of the mold body 1 to avoid forming a sharp edge that could scratch the operator when installing the mold body 1.

[0034] In summary, the coaxial cable wrapping and pressing device of this utility model includes a mold body 1 and a detachable mold core 2 disposed in the mold body 1. The mold body 1 has a cylindrical structure, and a cylindrical mounting groove 11 is coaxially disposed at the top of the mold body 1. The mold core 2 is generally annular, and the mold core 2 has a cylindrical inner wall and an outer wall. The inner wall and the outer wall are smoothly connected by an inwardly protruding arc surface. The outer diameter of the mold core 2 matches the diameter of the mounting groove 11, and the inner diameter of the mold core 2 matches the outer diameter of the PTFE wrapping layer of the coaxial cable. The mold core 2 is disposed in the mounting groove 11, and the inner diameter of the mold body 1 is smaller than the outer diameter of the mold core 2 but larger than the inner diameter of the mold core 2. The detachable combination structure of the mold body 1 and the mold core 2 allows for the replacement of the mold core 2 to adapt to different coaxial cables, improving applicability. The mold body 1 and the mold core 2 can be made of different materials, with only the mold core 2 made of high-quality steel, reducing production costs. When the mold body 1 or the mold core 2 is damaged, only the damaged part can be replaced, reducing usage costs.

[0035] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of this utility model disclosure, even when only a single embodiment is described with respect to a particular feature. The feature examples provided in this utility model disclosure are intended to be illustrative and not limiting, unless otherwise stated. In practice, one or more technical features of the dependent claims may be combined with the technical features of the independent claims as needed and where technically feasible, and may be derived from the technical features of the respective independent claims in any suitable manner rather than solely by the specific combinations listed in the claims.

[0036] While the present invention has been disclosed above, it is not limited thereto. Any person skilled in the art can make various modifications and alterations without departing from the spirit and scope of the present invention; therefore, the scope of protection of the present invention should be determined by the scope defined in the claims.

Claims

1. A coaxial cable wrapping and pressing device, characterized in that, The device includes a mold body and a detachable mold core disposed within the mold body. The mold body has a cylindrical structure, and a cylindrical mounting groove is coaxially disposed at the top end of the mold body. The mold core is generally annular, and has a cylindrical inner wall and an outer wall. The inner wall and the outer wall are smoothly connected by an inwardly protruding arc surface. The outer diameter of the mold core matches the diameter of the mounting groove, and the inner diameter of the mold core matches the outer diameter of the PTFE wrapping layer of the coaxial cable. The mold core is disposed in the mounting groove, and the inner diameter of the mold body is smaller than the outer diameter of the mold core but larger than the inner diameter of the mold core.

2. The coaxial cable wrapping and pressing device as described in claim 1, characterized in that, The height of the mold core is greater than the depth of the mounting groove.

3. The coaxial cable wrapping and pressing device as described in claim 1, characterized in that, The arc of the arc surface connecting the inner wall and the outer wall of the mold core is 1 / 4 of a circle.

4. The coaxial cable wrapping and pressing device as described in claim 1, characterized in that, The bottom surface of the mold body is an inwardly inclined slope, and the angle between the bottom surface of the mold body and the inner wall is 30°-60°.

5. The coaxial cable wrapping and pressing device as described in claim 1, characterized in that, The top outer diameter of the mold body is larger than the bottom outer diameter, forming an installation step on the outside of the mold body.

6. The coaxial cable wrapping and pressing device as described in claim 1, characterized in that, The edges of the mounting steps on the mold body are chamfered.

7. The coaxial cable wrapping and pressing device as described in claim 1, characterized in that, The top and bottom edges of the outer wall of the mold body are both chamfered.

8. The coaxial cable wrapping and pressing device as described in claim 1, characterized in that, The inner wall and bottom surface of the mold body are smoothly connected by an inwardly protruding arc-shaped surface.

9. The coaxial cable wrapping and pressing device as described in claim 1, characterized in that, A chamfer is provided between the bottom surface of the mounting groove and the inner wall of the mold body.

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