CN210190519U - Double-layer cable extruder head - Google Patents
Double-layer cable extruder head Download PDFInfo
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- CN210190519U CN210190519U CN201920823544.6U CN201920823544U CN210190519U CN 210190519 U CN210190519 U CN 210190519U CN 201920823544 U CN201920823544 U CN 201920823544U CN 210190519 U CN210190519 U CN 210190519U
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Abstract
The utility model discloses a double-deck cable extruder head, it includes that casing, first lead glue subassembly, second lead glue subassembly and be qualified for the next round of competitions the subassembly. The shell is provided with a first glue inlet, a second glue inlet and an installation channel; the first glue guide assembly is arranged in the installation channel, a first plug-in mounting channel is arranged in the first glue guide assembly, and a first glue guide channel is formed between the first glue guide assembly and the installation channel; the second glue guiding component is arranged in the first inserting channel, two threading holes are formed in the second glue guiding component, and a second glue guiding channel is formed between the second glue guiding component and the first inserting channel; the wire outlet assembly is arranged at the front part of the installation channel, a wire outlet hole coaxial with the threading hole is arranged on the wire outlet assembly, and a third glue guide channel is formed between the wire outlet assembly and the first glue guide assembly. The extruder head can produce two double-layer cables simultaneously, the production efficiency of the cables can be improved, and the unit cost of the cables is reduced.
Description
Technical Field
The utility model relates to a cable manufacture technical field, in particular to cable extruder head.
Background
At present, for the production of double-layer cables, some production processes adopt simultaneous extrusion of two coatings, namely, a core wire penetrates into an extruder head, melts of the two coatings are injected into the extruder head, and after the melts are shaped by a die head, the melts penetrate out of an electric wire of the extruder head, namely, the electric wire is provided with two layers of coatings. Generally, for the double-layer cable, single-core production can only be realized, that is, one core wire is penetrated into one machine head at a time, the production efficiency is low, and the unit cost of the cable is high.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide double-deck cable and extrude aircraft nose.
The utility model discloses a scheme do: a double-layer cable extruder head comprises
The glue injection device comprises a shell, wherein a first glue inlet, a second glue inlet and a front-back through mounting channel are formed in the shell;
the first glue guide assembly is arranged in the mounting channel, a first inserting channel which is communicated from front to back is arranged in the first glue guide assembly, and a first glue guide channel communicated with the first glue inlet is formed between the first glue guide assembly and the mounting channel;
the second glue guiding component is arranged in the first inserting channel, two penetrating threading holes are formed in the second glue guiding component, a second glue guiding channel is formed between the second glue guiding component and the first inserting channel, and the second glue guiding channel is communicated with the second glue inlet through a third glue inlet formed in the first glue guiding component;
the wire outlet assembly is arranged at the front part of the mounting channel, a wire outlet hole coaxial with the threading hole is formed in the wire outlet assembly, a third glue guide channel is formed between the wire outlet assembly and the first glue guide assembly, and the third glue guide channel is communicated with the first glue guide channel and the second glue guide channel;
a distance is reserved between the front end opening of the first inserting channel and the wire outlet hole, and the front end of the second glue guiding component extends out of the first inserting channel, so that the front end opening of the threading hole is located between the front end opening of the first inserting channel and the wire outlet hole.
The extruder head with the structure can produce two double-layer cables simultaneously, can improve the production efficiency of the cables and reduce the unit cost of the cables. The melts of the two coatings are coated in the third glue guide channel, so that the temperature control requirement on the extruder head can be reduced, and the two coatings can be better combined together to avoid layering.
According to double-deck cable extruder head, first lead gluey subassembly include
The first die sleeve is inserted into the installation channel, and a first flow guide groove is formed in the outer wall of the first die sleeve;
the middle die is inserted into the first die sleeve, the front part of the middle die extends out of the first die sleeve, and the front part of the middle die is separated from the inner wall of the mounting channel.
According to double-deck cable extruder head, first guiding gutter extends to the both sides of first die sleeve.
According to double-deck cable extruder head, be provided with in the first guiding gutter and advance the first branch glue sand grip that the jiao kou is relative with first, the degree of depth that highly is less than first guiding gutter of first branch glue sand grip.
According to double-deck cable extruder head, the second is led to have on the gluey subassembly and is extended to the first spacing platform of leading gluey subassembly rear side, the spiral shell is equipped with the butt second and leads the first locating part of gluey subassembly rear end face on the casing.
According to double-deck cable extruder head, the second is led and is glued the subassembly and include
The second die sleeve is inserted into the first inserting channel, and a second flow guide groove is formed in the outer wall of the second die sleeve;
the inner die is inserted into the second die sleeve, the front part of the inner die extends out of the second die sleeve, and the front part of the inner die is separated from the inner wall of the first insertion channel.
According to double-deck cable extruder head, the second is led gluey subassembly and first cartridge passageway matched with one section and is the taper type.
According to double-deck cable extruder head, be provided with the second split glue sand grip relative with the third jiao kou in the second guiding gutter, the degree of depth that highly is less than the second guiding gutter of second split glue sand grip.
According to the double-layer cable extruder head of the utility model, the outlet assembly comprises a third die sleeve, an outer die and an adjusting piece; the third die sleeve is inserted into the installation channel, the outer die is inserted into the third die sleeve and can move back and forth along the third die sleeve, the wire outlet hole is formed in the outer die, the adjusting piece is located on the front side of the outer die, and the adjusting piece is arranged on the third die sleeve in a threaded mode.
According to double-deck cable extruder head, the spiral shell is equipped with the second locating part on the casing, the preceding terminal surface of second locating part butt third die sleeve.
Drawings
The invention will be further described with reference to the following figures and examples:
FIG. 1 is a block diagram of an embodiment of the present invention;
fig. 2 is a front view of an embodiment of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of an embodiment of the present invention;
FIG. 4 is a cross-sectional view taken along line B-B of an embodiment of the present invention;
FIG. 5 is an enlarged view of portion A of FIG. 4;
fig. 6 is an exploded view of an embodiment of the present invention;
fig. 7 is a structural diagram of the first die case according to the embodiment of the present invention.
Detailed Description
This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.
Referring to fig. 1 to 7, the double-layer cable extruder head includes a housing 10, a first glue guiding assembly 20, a second glue guiding assembly 30, and a wire outlet assembly 50.
The shell 10 is provided with a first glue inlet 11, a second glue inlet 12 and a front-back through mounting channel 13; the first glue guiding component 20 is arranged in the mounting channel 13, a first inserting channel which is through from front to back is arranged in the first glue guiding component 20, and a first glue guiding channel 41 communicated with the first glue inlet 11 is formed between the first glue guiding component 20 and the mounting channel 13; the second glue guiding component 30 is arranged in the first inserting channel, two threading holes 321 which are through from front to back are formed in the second glue guiding component 30, a second glue guiding channel 42 is formed between the second glue guiding component 30 and the first inserting channel, and the second glue guiding channel 42 is communicated with the second glue inlet 12 through a third glue inlet 211 formed in the first glue guiding component 20; the line outgoing assembly 50 is arranged at the front part of the installation channel 13, a line outgoing hole 521 coaxial with the threading hole 321 is arranged on the line outgoing assembly 50, a third glue guiding channel 43 is formed between the line outgoing assembly 50 and the first glue guiding assembly 20, and the third glue guiding channel 43 is simultaneously communicated with the first glue guiding channel 41 and the second glue guiding channel 42. The front end opening of the first insertion channel is spaced from the wire outlet hole 521, and the front end of the second glue guiding component 30 extends out of the first insertion channel, so that the front end opening of the threading hole 321 is located between the front end opening of the first insertion channel and the wire outlet hole 521.
During production, the melt of the first coating flows into the first glue guiding channel 41 from the first glue inlet 11, and the melt of the second coating flows into the second glue guiding channel 42 from the second glue inlet 12. A core wire passes through each of the two threading holes 321, moves along the threading holes 321 and passes through the wire outlet hole 521; the melt of the second cladding flows into the third glue guiding channel 43 from the second glue guiding channel 42 and then coats the core wire, and the melt of the first cladding flows into the third glue guiding channel 43 from the first glue guiding channel 41 and then coats the second cladding; the coated core wire penetrates out of the wire outlet hole 521, and the cable is obtained after cooling and shaping.
The extruder head can produce two double-layer cables simultaneously, the production efficiency of the cables can be improved, and the unit cost of the cables is reduced. The melts of the two coatings are coated in the third glue guide channel 43, so that the temperature control requirement on the extruder head can be reduced, and the two coatings can be better combined together to avoid layering.
The second glue guiding assembly 30 is provided with a first limiting table 33 extending to the rear side of the first glue guiding assembly 20, and the housing 10 is provided with a first limiting member 61 in a threaded manner and abutted against the rear end face of the second glue guiding assembly 30. The first glue guiding component 20 and the second glue guiding component 30 can be limited from moving backwards through the structure.
In addition, the first glue guiding assembly 20 can be connected with the first limiting table 33 through bolts.
In some embodiments, the first retaining member 61 may be locked to the housing 10 by a bolt.
Referring to fig. 4, 6 and 7, the first glue guiding assembly 20 includes a first die sleeve 21 and a middle die 22, the first die sleeve 21 is inserted into the installation channel 13, a first guide groove 212 is formed on an outer wall of the first die sleeve 21, the middle die 22 is inserted into the first die sleeve 21, a front portion of the middle die 22 extends out of the first die sleeve 21, and the front portion of the middle die 22 is spaced from an inner wall of the installation channel 13. The gap between the front of middle mold 22 and mounting channel 13 and first guide groove 212 are part of first glue guide channel 41.
A first limiting groove is formed in the housing 10, and a first limiting portion 214 extending into the first limiting groove is formed in the first die sleeve 21 to limit the first glue guiding assembly 20 to rotate relative to the housing 10.
The first guiding grooves 212 extend to both sides of the first die case 21, and the melt of the first coating flows to the first glue guiding channel 41 and then flows into the third glue guiding channel 43. Through the flow guiding effect of the first flow guiding grooves 212, the melt of the first cladding can fully flow and wrap the front part of the middle die 22, and the condition that the melt of the first cladding flows unevenly is avoided.
In addition, the front part of the middle die 22 is separated from the inner wall of the installation channel 13, so that the melt of the first cladding has sufficient flowing space, the melt of the first cladding can be ensured to flow sufficiently and be coated on the front part of the middle die 22, when the melt of the first cladding is contacted with the melt of the second cladding, the flowing speed of the melt of the first cladding around the core wire is kept consistent, the thickness of the first cladding on the molded electric wire is ensured to be consistent, the tensile property and the flexibility of the first cladding at all places of the electric cable are the same, the quality of the electric cable is improved, and the rejection rate is reduced.
A pin 23 is screwed on the first die set 21, and the end of the pin 23 is inserted into the middle die 22 to limit the middle die 22 to be separated from the first die set 21 and also limit the middle die 22 to rotate relative to the first die set 21.
In some embodiments, the middle mold 22 may be directly screwed into the first mold housing 21, or the middle mold 22 and the first mold housing 21 are connected by interference fit. The middle die 22 and the first die case 21 may also be of a one-piece construction.
The section of the first die sleeve 21 matched with the installation channel 13 is in a conical shape, so that the first die sleeve 21 is conveniently positioned on the shell 10, the first die sleeve 21 is prevented from moving forwards relative to the shell 10, and the die-filling adjusting time is shortened.
A first glue dividing convex strip 213 opposite to the first glue inlet 11 is arranged in the first guide groove 212, and the height of the first glue dividing convex strip 213 is smaller than the depth of the first guide groove 212. The first dispensing protrusion 213 is disposed to divide the melt of the first coating, so that the melt of the first coating flows uniformly to both sides of the first die sleeve 21.
Referring to fig. 4, 5 and 6, the second glue guiding assembly 30 includes a second die sleeve 31 and an inner die 32, the second die sleeve 31 is inserted into the first insertion passage, a second flow guiding groove 311 is formed in an outer wall of the second die sleeve 31, the inner die 32 is inserted into the second die sleeve 31, a front portion of the inner die 32 extends out of the second die sleeve 31, and a front portion of the inner die 32 is spaced from an inner wall of the first insertion passage. The gap between the front part of the inner mold 32 and the first insertion passage and the second guiding groove 311 are part of the second glue guiding passage 42.
The second guiding grooves 311 extend to both sides of the second die sleeve 31, and the melt of the second coating flows to the second glue guiding channel 42 and then flows into the third glue guiding channel 43. By the guiding action of the second guiding groove 311, the melt of the second coating can flow sufficiently and coat the front part of the inner mold 32, thereby avoiding the condition that the melt of the second coating flows unevenly.
In addition, the section of the second die sleeve 31 matched with the first insertion passage is also in a conical shape, so that the second die sleeve 31 is prevented from moving forwards relative to the first insertion passage, and the die filling adjustment time can be reduced.
A second dispensing convex strip 312 opposite to the third glue inlet 211 is arranged in the second guiding groove 311, and the height of the second dispensing convex strip 312 is smaller than the depth of the second guiding groove 311. The melt of the second coating can be divided by the second dispensing protrusion 312, so that the melt of the second coating can flow to both sides of the second die sleeve 31 uniformly.
The first die case 21 is provided with a second limiting groove 215, and the second die case 31 is provided with a second limiting portion extending into the second limiting groove 215 to limit the second die case 31 from rotating relative to the first die case 21. A third limiting groove 322 is formed in the inner mold 32, and a third limiting portion extending into the third limiting groove 322 is formed in the second die sleeve 31 to limit the inner mold 32 from rotating relative to the second die sleeve 31.
In some embodiments, the inner mold 32 may be directly screwed into the second mold housing 31. The inner mold 32 and the second mold 31 may also be of a one-piece construction.
A wear-resistant bushing may be inserted into the threading hole 321 to reduce the wear of the core wire to the inner mold 32.
The wire outlet assembly 50 comprises a third die sleeve 51, an outer die 52 and an adjusting piece 53, wherein the third die sleeve 51 is inserted into the installation channel 13, the outer die 52 is inserted into the third die sleeve 51 and can move back and forth along the third die sleeve 51, a wire outlet hole 521 is arranged on the outer die 52, the adjusting piece 53 is positioned on the front side of the outer die 52, and the adjusting piece 53 is screwed in the third die sleeve 51. A second stopper 62 is screwed to the housing 10, the second stopper 62 abuts against the front end surface of the third die set 51, and the second stopper 62 can limit the forward movement of the third die set 51, so as to position the third die set 51 in the housing 10.
The distance between the outlet hole 521 and the second glue guiding assembly 30 can be changed by rotating the adjusting member 53, and the thickness of the third glue guiding channel 43 can also be changed, so that the mold adjustment can be performed during production, and the mold adjustment operation is simple.
A fourth limiting groove 14 is formed in the housing 10, and a fourth limiting portion extending into the fourth limiting groove 14 is formed in the third die set 51 to limit the third die set 51 from rotating relative to the housing 10. The third die case 51 is provided with a fifth limiting groove 511, and the outer die 52 is provided with a fifth limiting part 522 extending into the fifth limiting groove 511 to limit the outer die 52 from rotating relative to the third die case 51.
In some embodiments, the second retaining member 62 can be locked to the housing 10 by a bolt. Alternatively, the third die case 51 may be directly screwed to the housing 10, so that the second stopper 62 may not be provided.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.
Claims (10)
1. The double-layer cable extruder head is characterized by comprising
The glue injection device comprises a shell, wherein a first glue inlet, a second glue inlet and a front-back through mounting channel are formed in the shell;
the first glue guide assembly is arranged in the mounting channel, a first inserting channel which is communicated from front to back is arranged in the first glue guide assembly, and a first glue guide channel communicated with the first glue inlet is formed between the first glue guide assembly and the mounting channel;
the second glue guiding component is arranged in the first inserting channel, two penetrating threading holes are formed in the second glue guiding component, a second glue guiding channel is formed between the second glue guiding component and the first inserting channel, and the second glue guiding channel is communicated with the second glue inlet through a third glue inlet formed in the first glue guiding component;
the wire outlet assembly is arranged at the front part of the mounting channel, a wire outlet hole coaxial with the threading hole is formed in the wire outlet assembly, a third glue guide channel is formed between the wire outlet assembly and the first glue guide assembly, and the third glue guide channel is communicated with the first glue guide channel and the second glue guide channel;
a distance is reserved between the front end opening of the first inserting channel and the wire outlet hole, and the front end of the second glue guiding component extends out of the first inserting channel, so that the front end opening of the threading hole is located between the front end opening of the first inserting channel and the wire outlet hole.
2. The dual layer cable extruder head of claim 1, wherein said first glue assembly comprises
The first die sleeve is inserted into the installation channel, and a first flow guide groove is formed in the outer wall of the first die sleeve;
the middle die is inserted into the first die sleeve, the front part of the middle die extends out of the first die sleeve, and the front part of the middle die is separated from the inner wall of the mounting channel.
3. The twin-layer cable extruder head as claimed in claim 1 or 2, wherein the first guide grooves extend to both sides of the first die case.
4. The dual-layer cable extruder head of claim 2, wherein a first dispensing rib is disposed in the first guiding groove and opposite to the first glue inlet, and the height of the first dispensing rib is smaller than the depth of the first guiding groove.
5. The dual-layer cable extruder head of claim 1, wherein the second glue guiding assembly has a first position-limiting platform extending to the rear side of the first glue guiding assembly, and the housing has a first position-limiting member screwed thereon and abutting against the rear end surface of the second glue guiding assembly.
6. The dual layer cable extruder head of claim 1, wherein said second glue assembly comprises
The second die sleeve is inserted into the first inserting channel, and a second flow guide groove is formed in the outer wall of the second die sleeve;
the inner die is inserted into the second die sleeve, the front part of the inner die extends out of the second die sleeve, and the front part of the inner die is separated from the inner wall of the first insertion channel.
7. The dual-layer cable extruder head of claim 1 or 6, wherein a section of the second glue guiding component, which is matched with the first inserting channel, is in a conical shape.
8. The dual-layer cable extruder head of claim 6, wherein a second dispensing rib is disposed in the second guiding groove and opposite to the third glue inlet, and the height of the second dispensing rib is smaller than the depth of the second guiding groove.
9. The dual-layer cable extruder head of claim 1, wherein the outlet assembly comprises a third die sleeve, an outer die and an adjusting member; the third die sleeve is inserted into the installation channel, the outer die is inserted into the third die sleeve and can move back and forth along the third die sleeve, the wire outlet hole is formed in the outer die, the adjusting piece is located on the front side of the outer die, and the adjusting piece is arranged on the third die sleeve in a threaded mode.
10. The dual-layer cable extruder head of claim 9, wherein a second stop member is threadedly mounted on the housing, and the second stop member abuts against a front end surface of the third die sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823544.6U CN210190519U (en) | 2019-05-31 | 2019-05-31 | Double-layer cable extruder head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920823544.6U CN210190519U (en) | 2019-05-31 | 2019-05-31 | Double-layer cable extruder head |
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| Publication Number | Publication Date |
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| CN210190519U true CN210190519U (en) | 2020-03-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920823544.6U Active CN210190519U (en) | 2019-05-31 | 2019-05-31 | Double-layer cable extruder head |
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| CN (1) | CN210190519U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142944A (en) * | 2019-05-31 | 2019-08-20 | 广东日丰电缆股份有限公司 | The double-deck cable extruder head |
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2019
- 2019-05-31 CN CN201920823544.6U patent/CN210190519U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110142944A (en) * | 2019-05-31 | 2019-08-20 | 广东日丰电缆股份有限公司 | The double-deck cable extruder head |
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