CN211105478U - Sleeve color bar injection molding device - Google Patents
Sleeve color bar injection molding device Download PDFInfo
- Publication number
- CN211105478U CN211105478U CN201922004922.0U CN201922004922U CN211105478U CN 211105478 U CN211105478 U CN 211105478U CN 201922004922 U CN201922004922 U CN 201922004922U CN 211105478 U CN211105478 U CN 211105478U
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- sleeve
- injection molding
- die sleeve
- moulding plastics
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Abstract
The utility model discloses a sleeve pipe colour bar device of moulding plastics, its characterized in that sets up at sleeve pipe aircraft nose front end of moulding plastics, compress tightly lid, colour bar injection molding pipe including mold core, die sleeve, the mold core is fixed just be provided with the extension that stretches out the aircraft nose of moulding plastics in the aircraft nose of moulding plastics, the die sleeve cover is established outside the mold core extension, the die sleeve compresses tightly the cover and establishes the die sleeve outside is connected with the aircraft nose of moulding plastics, the colour bar hole of moulding plastics has been seted up to the side of die sleeve, the side that the die sleeve compresses tightly the lid is seted up the through-hole that corresponds with colour bar hole position of moulding plastics, the colour bar pipe of moulding plastics passes the through-hole, inserts. The utility model discloses a sleeve pipe colour bar device of moulding plastics sets up at sleeve pipe injection moulding machine head front end, under the condition that does not change current production mould, can vertically add the colour bar at the sleeve pipe to guarantee that the position of colour bar is accurate.
Description
Technical Field
The utility model relates to an optical cable sleeve pipe production facility field, concretely relates to sleeve pipe colour bar device of moulding plastics.
Background
The loose-sleeve layer-stranded optical cable is an optical cable which has the widest coverage and the most application in the current optical fiber network application, the requirement on the number of cores of a single optical cable is increased along with the increasing of the market demand, the maximum number of cores in the single-layer-stranded optical cable is limited by 12 color chromatograms in the industry standard, the maximum number of cores can only be 12 optical cables with 144 cores of the sleeve, and the optical cable with the double-layer-stranded structure is required to be designed to meet the market demand when the number of cores exceeds 144; in the double-layer stranded optical cable, because the colors of the loose tubes of the inner layer and the outer layer are arranged from front to back according to 12 color chromatographic sequences of the industry standard, in order to distinguish the loose tubes with the same color between the inner layer and the outer layer, the commonly adopted method is to extrude color strips on the produced loose tubes of the outer layer for distinguishing.
At present, the extrusion molding mode of a die for producing color bar sleeves conventionally is as follows: a color bar material flow channel hole is formed in the die sleeve, when the die is installed, the flow channel hole in the die sleeve is aligned to a color bar material injection hole of the extruder head, and then the PBT main machine of the sleeve and the small main machine of the color bar material are started to extrude to start production, so that a color bar sleeve product is formed. The following problems often occur in the production of this method:
1. when the die is installed, the runner hole on the die sleeve is difficult to align with the color bar runner hole on the machine head at one time, so that the extruded color bar material is difficult to extrude, and the die needs to be installed again;
2. the color bar sleeve die sleeve is not universal with the common sleeve die sleeve, and a new die must be processed and put into use when producing a color bar sleeve with different external diameter specifications, so that the cost of the die is increased.
Disclosure of Invention
The to-be-solved technical problem of the utility model is to provide a sleeve pipe colour bar device of moulding plastics sets up at sleeve pipe injection moulding machine head front end, under the condition that does not change current production mould, can vertically add the colour bar at the sleeve pipe to it is accurate to guarantee the position of colour bar.
In order to solve the technical problem, the utility model provides a sleeve pipe colour bar device of moulding plastics sets up at sleeve pipe injection moulding aircraft nose front end, compress tightly lid, colour bar injection molding pipe including mold core, die sleeve, the mold core is fixed just be provided with the extension that stretches out the aircraft nose of moulding plastics in the aircraft nose of moulding plastics, the die sleeve cover is established outside the mold core extension, the die sleeve compresses tightly the cover and establishes the die sleeve outside is connected with the aircraft nose of moulding plastics, the colour bar hole of moulding plastics has been seted up to the side of die sleeve, the side that the die sleeve compresses tightly the lid is seted up the through-hole that corresponds with colour bar hole position of moulding plastics, the colour bar injection molding pipe passes the through-hole, inserts in the.
The utility model discloses a preferred embodiment, further include the tip of ribbon injection molding pipe is provided with the linking nut, the linking nut links to each other ribbon injection molding pipe and ribbon injection molding machine.
The utility model discloses a preferred embodiment, further include that the ribbon injection hole passes through threaded connection with the ribbon injection pipe.
The utility model discloses a preferred embodiment, further include the extension terminal surface of mold core exposes the terminal surface 0 ~ 2mm of die sleeve.
The utility model discloses a preferred embodiment, further include the die sleeve compresses tightly the inner wall of lid and is seted up there is the internal thread, the die sleeve compresses tightly the lid and passes through threaded connection at the overhead of injection molding machine.
The utility model discloses a preferred embodiment, further include the side that the die sleeve compresses tightly the lid has seted up a plurality of through-holes, a plurality of the through-hole circumference evenly distributed compresses tightly the side of lid at the die sleeve.
The utility model discloses a preferred embodiment, further include the mold core is installed in the mold core seat of injection molding aircraft nose.
In a preferred embodiment of the present invention, the material of the mold core and the mold sleeve is Cr12 MoV.
The utility model has the advantages that: the utility model is arranged at the front end of the existing injection molding machine head, and can realize the longitudinal addition of the color bar on the sleeve without changing the injection mold of the injection molding machine head, thereby reducing the cost of the transformation of the existing injection mold; and, set up fixed and the corresponding ribbon injection molding hole and the through-hole that set up, guaranteed the position of the ribbon of moulding plastics, prevent that the condition that upper surface runner hole and aircraft nose above the die sleeve material runner hole do not correspond appears.
Drawings
FIG. 1 is a schematic structural view of a sleeve color bar injection molding device of the present invention;
fig. 2 is an internal cross-sectional view of the sleeve color bar injection molding device of the present invention.
The reference numbers in the figures illustrate: 1. a mold core; 2. die sleeve; 3. a die sleeve pressing cover; 4. a color bar injection molding pipe; 5. a sleeve injection molding runner; 6. molding holes for color bar injection; 7. a through hole; 8. a coupling nut.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1-2, an embodiment of the sleeve color bar injection molding device of the present invention is disposed at the front end of a sleeve injection molding machine head, and comprises a mold core 1, a mold sleeve 2, a mold sleeve pressing cover 3, and a color bar injection molding pipe 4, wherein one end of the mold core 1 is mounted in a mold core seat of the injection molding machine head, the other end of the mold core 1 is provided with an extension part extending out of the injection molding machine head, the mold sleeve 2 is sleeved outside the extension part of the mold core 1, a sleeve injection molding runner 5 is formed between the mold core 1 and the mold sleeve 2, the mold sleeve pressing cover 3 is sleeved outside the mold sleeve 2 and connected with the injection molding machine head, a color bar injection molding hole 6 is disposed on the side surface of the mold sleeve 2, a through hole 7 corresponding to the position of the color bar injection molding hole 6 is disposed on the side surface of the mold sleeve pressing cover 3, the color bar injection molding pipe 4 passes through the through hole 7 and is inserted into the color, the color bar injection molding material flows into the sleeve injection molding runner 5 from the color bar injection molding hole 6, so that the longitudinal color bars can be injected on the surface of the sleeve.
Specifically, the tip of colour bar injection molding pipe 4 is provided with linking nut 8, linking nut 8 links to each other colour bar injection molding pipe 4 with the colour bar injection molding machine, moves linking nut 8 through twisting and closely links to each other colour bar injection molding pipe 4 with the colour bar injection molding machine, prevents to leak the material, promotes and annotates a strip effect.
Specifically, the color bar injection molding hole 6 is in threaded connection with the color bar injection molding pipe 4, so that the color bar injection molding pipe 6 is tightly matched with the color bar injection molding hole 4, the length of the color bar injection molding pipe 4 inserted into the color bar injection molding hole 6 can be controlled, and the width of the color bar extrusion can be controlled.
Specifically, in the process of injecting the color bar, in order to ensure that the color bar injection molding material and the sleeve injection molding material have enough length to be fully combined, the end surface of the extension part of the mold core 1 is ensured to be aligned with the end surface of the mold sleeve 2, and the end surface of the mold sleeve 2 can be exposed to be less than 2 mm.
Specifically, the mold sleeve pressing cover 3 mainly functions to press and fix the mold sleeve 2, and the mold sleeve pressing cover 3 can be fixed in various manners, such as tight fit, bolt locking, self-threaded connection, and the like, in this embodiment, in order to facilitate installation of the mold sleeve pressing cover 3, the mold sleeve pressing cover 3 is fixed in a self-threaded connection manner, an internal thread is formed on the inner wall of the mold sleeve pressing cover 3, the mold sleeve pressing cover 3 is connected to the injection molding machine head through a thread, and through this rotary threaded connection manner, there is a problem that the positions of the through hole 7 in the mold sleeve pressing cover 3 and the position of the color stripe injection hole 6 formed in the mold sleeve 2 cannot be guaranteed to correspond to each other, in order to solve the above problems, a plurality of through holes 7 can be formed in the side surface of the mold sleeve pressing cover 3, and the plurality of through holes 7 are circumferentially and uniformly distributed on the side surface of the mold sleeve pressing cover, therefore, the through hole 7 corresponding to the position of the color bar injection hole 6 can be found after the die sleeve pressing cover 3 is screwed, in the embodiment, the pitch of the internal thread of the die sleeve pressing cover 3 is 1.5mm, and the through holes 7 are formed in the circumferential surface of the die sleeve pressing cover 3 in an 8-piece mode, so that the through hole 7 corresponding to the position of the color bar injection hole 6 in the die sleeve pressing cover 3 can be guaranteed to be screwed.
Specifically, the material of the mold core 1 and the mold sleeve 2 is Cr12MoV, the hardness of the mold core 1 and the mold sleeve 2 which are made of the material can reach 60-62 after heat treatment, and the mold core and the mold sleeve can not be damaged in the high-temperature injection molding process.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (8)
1. The utility model provides a sleeve pipe colour bar device of moulding plastics, its characterized in that sets up at sleeve pipe aircraft nose front end of moulding plastics, includes mold core, die sleeve compress tightly lid, colour bar injection molding pipe, the mold core is fixed just be provided with the extension that stretches out the aircraft nose of moulding plastics in the aircraft nose of moulding plastics, the die sleeve cover is established outside the mold core extension, the die sleeve compresses tightly the lid cover and establishes the die sleeve outside is connected with the aircraft nose of moulding plastics, colour bar injection molding hole has been seted up to the side of die sleeve, the side that the die sleeve compresses tightly the lid is seted up the through-hole that corresponds with colour bar injection molding hole position, colour bar injection molding pipe passes the through-hole, inserts in the.
2. The apparatus of claim 1, wherein the ends of the color stripe injection molded tubes are provided with engaging nuts, and the engaging nuts connect the color stripe injection molded tubes to the color stripe injection molding machine.
3. The color bar injection molding apparatus for sleeve of claim 1, wherein the color bar injection molding hole is threadedly coupled to the color bar injection molding pipe.
4. The apparatus for injecting casing color bars as claimed in claim 1, wherein the end surface of the extension of the mold core is exposed from the end surface of the mold cover by 0 to 2 mm.
5. The sleeve color bar injection molding apparatus of claim 1, wherein the inner wall of the die sleeve hold-down cap is provided with internal threads, and the die sleeve hold-down cap is connected to the injection molding machine head by threads.
6. The sleeve color bar injection molding device according to claim 5, wherein a plurality of through holes are formed in the side surface of the die sleeve pressing cover, and the plurality of through holes are evenly distributed on the side surface of the die sleeve pressing cover in the circumferential direction.
7. The apparatus of claim 1, wherein the mold core is mounted in a mold core holder of the injection molding head.
8. The apparatus of claim 1, wherein the core and the sleeve are made of Cr12 MoV.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004922.0U CN211105478U (en) | 2019-11-19 | 2019-11-19 | Sleeve color bar injection molding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922004922.0U CN211105478U (en) | 2019-11-19 | 2019-11-19 | Sleeve color bar injection molding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211105478U true CN211105478U (en) | 2020-07-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922004922.0U Active CN211105478U (en) | 2019-11-19 | 2019-11-19 | Sleeve color bar injection molding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211105478U (en) |
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2019
- 2019-11-19 CN CN201922004922.0U patent/CN211105478U/en active Active
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