CN212737002U

CN212737002U - Butterfly-shaped optical cable production mould

Info

Publication number: CN212737002U
Application number: CN202020645424.4U
Authority: CN
Inventors: 赵之舟
Original assignee: Anhui Hantang Optical Cable Co ltd
Current assignee: Anhui Hantang Optical Cable Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2021-03-19
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a butterfly-shaped optical cable production mould, including die sleeve and fiber conduit, nested in the taper hole of die sleeve has the mold core, the rear portion of mold core is provided with the rear die base, be provided with the cassette between rear die base and the mold core, fiber conduit passes the centre bore of rear die base and passes through rear die base and cassette fixed connection, fiber conduit's left end passes the centre bore of cassette and inserts in the left end centre bore of mold core. The utility model discloses a butterfly-shaped optical cable production mould, through rotating the back die holder make first preforming and second preforming press from both sides tightly or loosen, thereby can control the optical fiber pipe to the pulling, thereby play the position of control optical fiber pipe; through seat ring and jack nested connection on the cassette, rotate the extrusion of back die holder with first preforming and second preforming on the cassette and draw close to the fiber conduit that draws close to with fiber conduit and mold core fixed connection, fiber conduit and mold core separation set up, can improve the life of mold core through changing fiber conduit.

Description

Butterfly-shaped optical cable production mould

Technical Field

The utility model relates to a butterfly-shaped optical cable production facility technical field, in particular to butterfly-shaped optical cable production mould.

Background

The butterfly-shaped optical cable extrusion processing die plays a decisive role in the overall dimension of the butterfly-shaped optical cable. At present, a fixed optical fiber conduit extrusion die is generally adopted for producing a butterfly optical cable, and during the extrusion processing process of the die, because the optical fiber conduit cannot be adjusted, the phenomenon of material return and die blocking easily occur in the production process, so that the die must be continuously cleaned in the whole production process, which is troublesome and seriously affects the production progress; and the optical fiber conduit can not be replaced independently, once the optical fiber conduit is worn or damaged, the whole mold core must be replaced, so that the waste of the mold core parts is caused, and the production cost is increased. Therefore, a butterfly-shaped optical cable production mold is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a butterfly-shaped optical cable production mould can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a butterfly-shaped optical cable production die comprises a die sleeve and an optical fiber conduit, wherein a die core is embedded in a taper hole of the die sleeve, a rear die holder is arranged at the rear part of the die core, a clamping seat is arranged between the rear die holder and the die core, the optical fiber conduit penetrates through a center hole of the rear die holder and is fixedly connected with the clamping seat through the rear die holder, and the left end of the optical fiber conduit penetrates through a center hole of the clamping seat and is inserted into a center hole of the left end of the die core.

Preferably, the mold core is internally provided with a through hole, an insertion hole and a threaded connection hole, the left end of the insertion hole is communicated with the through hole, the right end of the insertion hole is communicated with the threaded connection hole, and the rear mold base is in threaded connection with the mold core through the threaded connection hole.

Preferably, the diameter of the insertion hole is larger than that of the through hole, and the diameter of the insertion hole is smaller than that of the threaded connection hole.

Preferably, the clamping seat comprises a seat ring, the rear side of the right end of the seat ring and the front side of the right end of the seat ring are respectively and fixedly connected with a second pressing piece and a first pressing piece, and the first pressing piece and the second pressing piece are symmetrically distributed in the front-back direction.

Preferably, the outer side surface of the first pressing sheet and the outer side surface of the second pressing sheet form a bell mouth shape together, and the bell mouth faces to the right.

Preferably, the seat ring is nested within the socket.

Preferably, the rear die holder is internally provided with a groove with an isosceles trapezoid cross section, and the wall surface of the groove is in sliding connection with the outer side surface of the first pressing sheet and the outer side surface of the second pressing sheet.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. in the utility model, the seat ring on the seat is nested with the jack, the first pressing sheet and the second pressing sheet on the seat are extruded and drawn close to the optical fiber conduit by rotating the rear seat, so that the optical fiber conduit is fixedly connected with the mold core, and the optical fiber conduit is separated from the mold core, therefore, the service life of the mold core can be prolonged by replacing the optical fiber conduit at any time, and the manufacturing cost is reduced;

2. in the utility model, the first pressing plate and the second pressing plate are clamped or loosened by rotating the rear die holder, so that the optical fiber conduit can be pulled leftwards and rightwards, and the position of the optical fiber conduit is controlled; the optical fiber guide pipe is adjusted to be flush with the end face of the die sleeve before extrusion production, so that the phenomenon of mold blocking caused by material returning before fiber penetrating after starting can be prevented, and the optical fiber guide pipe is properly adjusted in a retreating mode through threads after the fiber penetrating so as to ensure the bonding performance of a sheath and a fiber core of the butterfly-shaped optical cable.

Drawings

Fig. 1 is a sectional view of the overall structure of a butterfly-shaped optical cable production mold of the present invention;

fig. 2 is a schematic overall structure diagram of a die sleeve of the butterfly-shaped optical cable production die of the present invention;

fig. 3 is a schematic view of the overall structure of the clamping seat of the butterfly-shaped optical cable production mold of the present invention;

fig. 4 is the utility model relates to a butterfly-shaped optical cable production mould's overall structure schematic diagram.

In the figure: 1. die sleeve; 2. a mold core; 3. a rear die holder; 4. a card holder; 5. a fiber optic conduit; 11. a through hole; 12. a jack; 13. connecting a threaded hole; 41. a seat ring; 42. a first tablet; 43. and (7) second tabletting.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-4, a butterfly-shaped optical cable production mold comprises a mold sleeve 1 and an optical fiber conduit 5, a mold core 2 is nested in a taper hole of the mold sleeve 1, a rear mold base 3 is arranged at the rear part of the mold core 2, a clamping base 4 is arranged between the rear mold base 3 and the mold core 2, the optical fiber conduit 5 passes through a center hole of the rear mold base 3 and is fixedly connected with the clamping base 4 through the rear mold base 3, and the left end of the optical fiber conduit 5 passes through a center hole of the clamping base 4 and is inserted into a center hole at the left end of the mold core 2.

A through hole 11, an insertion hole 12 and a threaded connection hole 13 are formed in the mold core 2, the left end of the insertion hole 12 is communicated with the through hole 11, the right end of the insertion hole 12 is communicated with the threaded connection hole 13, and the rear mold base 3 is in threaded connection with the mold core 2 through the threaded connection hole 13, so that the effect of conveniently connecting and fixing the rear mold base 3 can be achieved; the diameter of the jack 12 is larger than that of the through hole 11, and the diameter of the jack 12 is smaller than that of the threaded connecting hole 13, so that the function of fixing the seat ring 41 of the card seat 4 can be achieved; the clamping seat 4 comprises a seat ring 41, the rear side of the right end of the seat ring 41 and the front side of the right end are respectively and fixedly connected with a second pressing sheet 43 and a first pressing sheet 42, the first pressing sheet 42 and the second pressing sheet 43 are symmetrically distributed in the front-back direction, and the first pressing sheet 42 and the second pressing sheet 43 can be extruded to play a role in fixing the optical fiber guide tube 5; the outer side surface of the first pressing sheet 42 and the outer side surface of the second pressing sheet 43 form a horn shape together, and the horn shape faces to the right, so that the optical fiber guide pipe 5 can be fixed after being pressed or the optical fiber guide pipe 5 can be released after being released; the seat ring 41 is nested in the jack 12 and can play a role of connecting the seat ring 41; the rear die holder 3 is internally provided with a groove with an isosceles trapezoid cross section, the wall surface of the groove is in sliding connection with the outer side surface of the first pressing sheet 42 and the outer side surface of the second pressing sheet 43, the first pressing sheet 42 and the second pressing sheet 43 can be released after extrusion in the process of rotating the rear die holder 3, so that the optical fiber guide tube 5 is fixed or loosened, and the fixation and position frame skipping of the optical fiber guide tube 5 is facilitated.

It should be noted that, the utility model relates to a butterfly-shaped optical cable production mould, install mold core 2 and die sleeve 1 on the extruder head earlier in the use, then nest seat ring 41 on cassette 4 in jack 12, insert optical fiber conduit 5 through the centre bore of back die holder 3 again, make the left end of optical fiber conduit 5 pass the centre bore of seat ring 41 and insert the centre bore of the left end of mold core 2 through the through-hole 11, make the left end of optical fiber conduit 5 and the terminal surface of die sleeve 1 parallel and level; then, the rear die holder 3 is rotated, and in the process of rotating the rear die holder 3, because the rear die holder 3 is internally provided with a groove with an isosceles trapezoid cross section, the wall surface of the groove is in sliding connection with the outer side surface of the first pressing sheet 42 and the outer side surface of the second pressing sheet 43, the outer side surface of the first pressing sheet 42 and the outer side surface of the second pressing sheet 43 jointly form a bell mouth shape, and the bell mouth faces to the right, in the process of rotating the rear die holder 3, the first pressing sheet 42 and the second pressing sheet 43 are pressed to approach the optical fiber guide tube 5, so that the optical fiber guide tube 5 is fixed; then, the FRP or the steel wire penetrates through the mold core 2, the host is started to extrude the FRP or the steel wire, and the cable is pulled to a take-up reel; and then the optical fiber is penetrated into the optical fiber guide pipe 5, the optical fiber guide pipe 5 is adjusted, when the optical fiber can automatically advance, the optical fiber guide pipe 5 is retreated to a proper position, the phenomenon of mold blocking caused by material return in production can be avoided, the speed is increased, the optical fiber guide pipe 5 is shifted to a normal production state, after the optical fiber is produced to reach the length of the optical cable, the optical fiber guide pipe 5 is adjusted to be parallel and level with the end face of the mold sleeve 1 leftwards, and then the optical fiber guide pipe 5 is stopped.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a butterfly-shaped optical cable production mould, includes die sleeve (1) and optic fibre pipe (5), its characterized in that: the die comprises a die sleeve (1) and is characterized in that a die core (2) is embedded in a taper hole of the die sleeve (1), a rear die holder (3) is arranged at the rear part of the die core (2), a clamping seat (4) is arranged between the rear die holder (3) and the die core (2), an optical fiber guide pipe (5) penetrates through a center hole of the rear die holder (3) and is fixedly connected with the clamping seat (4) through the rear die holder (3), and the left end of the optical fiber guide pipe (5) penetrates through the center hole of the clamping seat (4) and is inserted into the center hole of the left end of the die core.

2. The butterfly-shaped optical cable production mold of claim 1, wherein: the die comprises a die core (2) and is characterized in that a through hole (11), an insertion hole (12) and a threaded connection hole (13) are formed in the die core (2), the left end of the insertion hole (12) is communicated with the through hole (11), the right end of the insertion hole (12) is communicated with the threaded connection hole (13), and a rear die holder (3) is in threaded connection with the die core (2) through the threaded connection hole (13).

3. The butterfly-shaped optical cable production mold of claim 2, wherein: the diameter of the insertion hole (12) is larger than that of the through hole (11), and the diameter of the insertion hole (12) is smaller than that of the threaded connection hole (13).

4. The butterfly-shaped optical cable production mold of claim 1, wherein: the clamping seat (4) comprises a seat ring (41), the rear side of the right end of the seat ring (41) and the front side of the right end are fixedly connected with a second pressing sheet (43) and a first pressing sheet (42) respectively, and the first pressing sheet (42) and the second pressing sheet (43) are symmetrically distributed in the front-back direction.

5. The butterfly-shaped optical cable production mold of claim 4, wherein: the outer side surface of the first pressing sheet (42) and the outer side surface of the second pressing sheet (43) form a horn mouth shape together, and the horn mouth faces to the right.

6. The butterfly-shaped optical cable production mold of claim 4, wherein: the seat ring (41) is nested in the jack (12).

7. The butterfly-shaped optical cable production mold of claim 1, wherein: the rear die holder (3) is internally provided with a groove with an isosceles trapezoid cross section, and the wall surface of the groove is in sliding connection with the outer side surface of the first pressing sheet (42) and the outer side surface of the second pressing sheet (43).