CN210100642U - Novel cable pipe extruding die - Google Patents
Novel cable pipe extruding die Download PDFInfo
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- CN210100642U CN210100642U CN201920640809.9U CN201920640809U CN210100642U CN 210100642 U CN210100642 U CN 210100642U CN 201920640809 U CN201920640809 U CN 201920640809U CN 210100642 U CN210100642 U CN 210100642U
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Abstract
A novel cable tube extruding die comprises a die sleeve and a die core, the utility model is provided with a detachable die core nozzle, one end of the die core head is provided with a boss, the die core head is rotated so that the boss is arranged in a groove of a die core seat through threads, after the die core head is connected with the die core seat, the inner wall of the connection part of an internal circular through hole is complete, smooth and flat, and the outer wall of the connection part of the die core head and the die core seat is complete, smooth and flat; and reversely rotating the die core head to separate the die core head from the die core seat. Through rotating or the reverse installation and the change of rotating die core head, the installation and the change of die core head in the die core seat have been realized, the mutually supporting of die core seat and die core head, the difficult problem that the die core is undetachable in having solved prior art, on the die core seat, both can install shorter die core head, also can install longer die core head, with the crowded pipe demand of fully provided cable core, improve the utilization ratio of die core by a wide margin, improve the utilization ratio of crowded pipe mould promptly, effectively reduce the use cost of crowded pipe mould.
Description
Technical Field
The utility model relates to a cable mold technical field especially relates to a novel crowded pipe mould of cable.
Background
At present, crowded tubular mould has higher production efficiency for extrusion formula mould, and its concentricity, thickness homogeneity, sheath mechanical properties all obtain great promotion, but the mold core in crowded tubular mould can not dismantle, when carrying out crowded pipe operation to harder cable core or softer cable core, can only select a mold core production, cause crowded pipe mould utilization ratio lower, the cost is higher.
Disclosure of Invention
In view of the above, it is necessary to provide a new cable extruding die for overcoming the above disadvantages.
The utility model provides a novel crowded pipe mould of cable, includes die sleeve, mold core, die sleeve up end and mold core up end keep level, the mold core sets up inside the die sleeve, the die sleeve up end is provided with the die sleeve hole, the terminal surface is provided with the pilot hole under the die sleeve, the mold core up end is provided with detachable mold core mouth, be provided with the space between the periphery of detachable mold core mouth and the die sleeve hole, the terminal surface is provided with circular sleeve under the mold core, be provided with the mold core sleeve between mold core up end and the lower terminal surface, the telescopic periphery of mold core is the toper, be provided with the space between telescopic periphery of mold core and the pilot hole.
Preferably, the detachable mold core nozzle comprises a mold core seat and a mold core head, wherein the mold core seat is internally provided with a circular through hole along the axis direction, the circular through hole is communicated with the mold core sleeve and the inside of the circular sleeve, the mold core head is internally provided with a circular through hole along the axis direction, and the inner diameter of the circular through hole of the mold core head is the same as that of the circular through hole of the mold core seat.
Preferably, a groove is formed between the inner wall and the outer wall of the mold core seat, the cross section of the groove is circular, threads are formed in the groove, a boss is arranged at one end of the mold core head, the cross section of the boss is circular, the threads matched with the groove are formed in the boss, and the boss of the mold core head is arranged in the groove of the mold core seat.
Preferably, the length of the boss is not greater than the length of the groove.
Preferably, the boss has a wall thickness no greater than the width of the groove.
Preferably, the thickness between the outer wall of the mold core seat and the groove is not more than the thickness between the inner wall of the mold core seat and the groove.
Preferably, the outer wall of the circular sleeve is further provided with threads.
The utility model discloses be provided with detachable mould core mouth, mould core head one end is provided with the boss, rotates the mould core head to make the boss pass through the screw thread and set up in the recess of mould core seat, because the internal diameter of the inside circular through-hole of mould core head is the same with the internal diameter of the inside circular through-hole of mould core seat, after the mould core head is connected with the mould core seat, the inner wall of inside circular through-hole junction is complete, smooth, level, because mould core head external diameter is the same with the mould core seat external diameter, after the mould core head is connected with the mould core seat, the outer wall of mould core head and mould core seat junction is complete, smooth, level; and reversely rotating the die core head to separate the die core head from the die core seat. Through rotating or the reverse installation and the change of rotating die core head, the installation and the change of die core head in the die core seat have been realized, the mutually supporting of die core seat and die core head, the difficult problem that the die core is undetachable in having solved prior art, on the die core seat, both can install shorter die core head, also can install longer die core head, with the crowded pipe demand of fully provided cable core, improve the utilization ratio of die core by a wide margin, improve the utilization ratio of crowded pipe mould promptly, effectively reduce the use cost of crowded pipe mould.
Drawings
Fig. 1 is a partial sectional view of the novel cable tube extruding die when the die core heads are separated.
Fig. 2 is a partial sectional view of the novel cable extruding die in another direction when the die core heads are not separated.
Fig. 3 is a schematic view of the structure of the die core head.
Fig. 4 is a schematic view in partial cross-section of a mold core without a mold core print.
Fig. 5 is an axial view of the novel cable tube extruding die.
Fig. 6 is an isometric view of another embodiment of the novel cable extrusion die.
Fig. 7 is an enlarged partial cross-sectional view of the new cable extruding die with the die core heads separated.
In the figure: the die sleeve comprises a die sleeve 10, a die sleeve hole 11, a fitting hole 12, a die core 20, a detachable die core nozzle 21, a die core seat 211, a groove 2111, a die core head 212, a boss 2121, a die core sleeve 22 and a circular sleeve 23.
Detailed Description
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Referring to fig. 1 to 7, the present invention provides a novel cable extruding die, which comprises a die sleeve 10 and a die core 20, wherein the upper end surface of the die sleeve 10 is flush with the upper end surface of the die core 20, the die core 20 is arranged inside the die sleeve 10, the die sleeve 10 is a rigid cylindrical member, the upper end surface of the die sleeve 10 is provided with a die sleeve hole 11, the lower end surface of the die sleeve 10 is provided with an assembly hole 12, one end of the assembly hole 12, which is close to a die core sleeve 22, is conical, one end of the assembly hole 12, which is far away from the die core sleeve 22, is round, the upper end surface of the die core 20 is provided with a detachable die core nozzle 21, one end of the assembly hole 12, which is close to the detachable die core nozzle 21, is conical, one end of the assembly hole 12, which is far away from the detachable die core nozzle 21, is round, a gap is arranged between the periphery of the detachable die core nozzle 21 and the die sleeve, and then make cable sheath material by the cladding at the cable core surface, the terminal surface is provided with circular sleeve 23 under the mold core 20 for it is fixed with outside die holder, circular through-hole has been seted up to circular sleeve 23 is inside to make the cable core carry to mold core sleeve 22 and detachable mold core mouth 21 from the inside circular through-hole of seting up of circular sleeve 23, be provided with mold core sleeve 22 between mold core 20 up end and the lower terminal surface, the periphery of mold core sleeve 22 is the toper, the inside toper cavity that is of mold core sleeve 22, be provided with the space between the periphery of mold core sleeve 22 and pilot hole 12 to continuously carry the cable sheath material to the gap between detachable mold core mouth 21 and the mold sleeve hole 11 from the gap between mold core sleeve 22 and pilot hole 12.
Referring to fig. 1 to 2, further, the detachable die core nozzle 21 includes a die core holder 211 and a die core head 212, the die core holder 211 is internally provided with a circular through hole along an axial direction, the circular through hole is communicated with the interiors of the die core sleeve 22 and the circular sleeve 23, the die core head 212 is internally provided with a circular through hole along the axial direction, and an inner diameter of the circular through hole of the die core head 212 is the same as an inner diameter of the circular through hole of the die core holder 211, so that when the boss 2121 of the die core head 212 is disposed in the groove 2111 of the die core holder 211 through a thread, an inner wall of a connection part of the die core head 212 and the die core holder 211 is complete, smooth and flat, so as to reduce friction between a cable core and a cavity when the cable core passes through the.
The inner diameter of the circular through hole in the die core head 212 is the same as that of the circular through hole in the die core base 211, and after the die core head 212 is connected with the die core base 211, the inner wall of the connection part of the internal circular through hole is complete, smooth and flat so as to reduce friction caused by the connection part to a cable core; meanwhile, the outer diameter of the mold core head 212 is the same as that of the mold core seat 211, and after the mold core head 212 is connected with the mold core seat 211, the outer wall of the connection part of the mold core head 212 and the mold core seat 211 is complete, smooth and flat, so that the adverse working conditions of uneven thickness, bulge and the like of a cable sheath, caused by the cable sheath material in the process of coating the cable core, are reduced.
Referring to fig. 3 and 4, further, a groove 2111 is formed between the inner wall and the outer wall of the die core holder 211, the cross section of the groove 2111 is circular, a thread is formed on the groove 2111, a boss 2121 is arranged at one end of the die core 212, the space between the outer wall and the inner wall of the other end of the die core 212 is solid, the cross section of the boss 2121 is circular, a thread matched with the groove 2111 is formed on the outer wall of the boss 2121, and the boss 2121 of the die core 212 is arranged in the groove 2111 of the die core holder 211.
Specifically, one end of the die core head 212 is provided with a boss 2121, the die core head 212 is rotated to enable the boss 2121 to be arranged in a groove 2111 of the die core seat 211 through threads, because the inner diameter of a circular through hole in the die core head 212 is the same as that of the circular through hole in the die core seat 211, after the die core head 212 is connected with the die core seat 211, the inner wall of the connection part of the internal circular through hole is complete, smooth and flat, and because the outer diameter of the die core head 212 is the same as that of the die core seat 211, after the die core head 212 is connected with the die core seat 211, the outer wall of the connection part of the die core head 212 and the die core seat 211; the core tip 212 is rotated reversely to disengage the core tip 212 from the core holder 211. Through rotating or the reverse rotation mould core head 212, the installation and the change of mould core head 212 in mould core seat 211 have been realized, mutually supporting of mould core seat 211 and mould core head 212, the difficult problem that mould core 20 is undetachable among the prior art has been solved, on mould core seat 211, both can install shorter mould core head 212, also can install longer mould core head 212, with the crowded pipe demand of fully provided cable core, improve the utilization ratio of mould core 20 by a wide margin, improve the utilization ratio of crowded pipe mould promptly, effectively reduce the use cost of crowded pipe mould.
Referring to fig. 5, specifically, a relatively short mold core head 212 is mounted on a mold core base 211, so as to be suitable for performing tube extruding operation on a relatively soft cable core, reduce friction between the cable core and the mold core 20, and prevent a bamboo joint of a cable sheath material from being broken in a cable core coating process; meanwhile, the shorter mold core head 212 is convenient to thread and produce.
Referring to fig. 6, as another embodiment, in particular, a longer mold core head 212 is installed on a mold core base 211, so as to be suitable for performing a pipe extruding operation on a harder cable core, which is beneficial to maintaining consistent concentricity of the cable core, so that the extruded cable is straight and not easy to be eccentric, and is beneficial to prolonging the service life of a mold.
Referring to fig. 1, further, the length d6 of the boss 2121 is not greater than the length d4 of the groove 2111, so that the boss 2121 can be completely disposed in the groove 2111 in the length direction, and the inner wall and the outer wall of the joint of the boss 2121 and the groove 2111 are ensured to be complete, smooth and flat, so as to reduce the adverse conditions caused in the cable extruding process at the joint of the boss 2121 and the groove 2111.
Referring to fig. 1, further, the wall thickness d5 of the boss 2121 is not greater than the width d3 of the groove 2111, so that the boss 2121 can be completely disposed in the groove 2111 in the width direction, no dead angle is formed in the process of disposing the boss 2121 to the groove 2111, the sufficient engagement of the threads of the boss 2121 and the threads of the groove 2111 is ensured, and poor conditions such as untight connection at the connection position after the boss 2121 is connected with the groove 2111 are prevented.
Referring to fig. 1 and 7, further, a thickness d1 between the outer wall of the die holder 211 and the groove 2111 is not greater than a thickness d2 between the inner wall of the die holder 211 and the groove 2111.
Referring to fig. 7, specifically, when a cable core passes through a cavity inside the detachable core nozzle 21, in addition to a small friction force, a large impact force may occur, for example, the cable core is suddenly broken, and the broken end of the cable core collides with the inside of the detachable core nozzle 21, so that the inner wall of the core seat 211 is uneven or even damaged. And the thickness d2 between the inner wall of the die holder 211 and the groove 2111 is set to be greater than the thickness d1 between the outer wall of the die holder 211 and the groove 2111 to ensure that the thickness d2 between the inner wall of the die holder 211 and the groove 2111 is large enough to prevent the inner wall of the die holder 211 from being damaged.
Referring to fig. 1, further, the outer wall of the circular sleeve 23 is provided with threads, so that the circular sleeve 23 can be arranged on the outer die holder through the threads.
The embodiment of the utility model provides a module or unit in the device can merge, divide and delete according to actual need.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention.
Claims (7)
1. The utility model provides a novel crowded pipe mould of cable which characterized in that: including die sleeve, mold core, the die sleeve up end is equal with the mold core up end, the mold core sets up inside the die sleeve, the die sleeve up end is provided with the die sleeve hole, the die sleeve down end is provided with the pilot hole, the mold core up end is provided with detachable mold core mouth, be provided with the space between the periphery of detachable mold core mouth and the die sleeve hole, the die core down end is provided with circular sleeve, be provided with the mold core sleeve between mold core up end and the lower terminal surface, the telescopic periphery of mold core is the toper, be provided with the space between telescopic periphery of mold core and the pilot hole.
2. The novel cable extruding die as claimed in claim 1, wherein: the detachable mold core nozzle comprises a mold core seat and a mold core head, wherein the mold core seat is internally provided with a circular through hole along the axis direction, the circular through hole is communicated with the inside of the mold core sleeve and the inside of the circular sleeve, the mold core head is internally provided with a circular through hole along the axis direction, and the inner diameter of the circular through hole of the mold core head is the same as that of the circular through hole of the mold core seat.
3. The novel cable extruding die as claimed in claim 2, wherein: the die core comprises a die core seat, a die core head and a die core seat, wherein a groove is formed between the inner wall and the outer wall of the die core seat, the cross section of the groove is circular, threads are formed in the groove, a boss is arranged at one end of the die core head, the cross section of the boss is circular, the threads matched with the groove are formed in the boss, and the boss of the die core head is arranged in the groove of the die core seat.
4. A novel cable extruding die as claimed in claim 3, wherein: the length of the boss is not greater than the length of the groove.
5. A novel cable extruding die as claimed in claim 3, wherein: the wall thickness of the boss is not greater than the width of the groove.
6. A novel cable extruding die as claimed in claim 3, wherein: the thickness between the outer wall of the mold core seat and the groove is not more than the thickness between the inner wall of the mold core seat and the groove.
7. The novel cable extruding die as claimed in claim 1, wherein: and the outer wall of the circular sleeve is also provided with threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920640809.9U CN210100642U (en) | 2019-05-07 | 2019-05-07 | Novel cable pipe extruding die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920640809.9U CN210100642U (en) | 2019-05-07 | 2019-05-07 | Novel cable pipe extruding die |
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| Publication Number | Publication Date |
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| CN210100642U true CN210100642U (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920640809.9U Active CN210100642U (en) | 2019-05-07 | 2019-05-07 | Novel cable pipe extruding die |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297383A (en) * | 2020-08-31 | 2021-02-02 | 扬州吉山津田光电科技有限公司 | Hollow pipe injection molding equipment with wide application range |
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2019
- 2019-05-07 CN CN201920640809.9U patent/CN210100642U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297383A (en) * | 2020-08-31 | 2021-02-02 | 扬州吉山津田光电科技有限公司 | Hollow pipe injection molding equipment with wide application range |
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