CN202749160U - Adjusting-free plastic extruding die for cable sheath production - Google Patents
Adjusting-free plastic extruding die for cable sheath production Download PDFInfo
- Publication number
- CN202749160U CN202749160U CN 201220421184 CN201220421184U CN202749160U CN 202749160 U CN202749160 U CN 202749160U CN 201220421184 CN201220421184 CN 201220421184 CN 201220421184 U CN201220421184 U CN 201220421184U CN 202749160 U CN202749160 U CN 202749160U
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- mold
- internal mold
- protective cover
- cable jacket
- cover material
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Abstract
The present utility model discloses an adjusting-free plastic extruding die for cable sheath production. The die comprises an inner die and an outer die, sheath material circulation holes uniformly arranged along the circumference of the inner die are arranged between the inner and the outer die, the sheath material circulation holes are provided with a threaded annular connecting board, the inner die is threadingly connected with the outer die through the annular connecting board, an annular chamber for generating a cable sheath is formed between the inner die and the outer die, an axis of the inner is superposed with an axis of the outer die, as the inner die and the outer die are threadingly connected as an integral body, the axis of the inner is superposed with the axis of the outer die, the way of adjusting eccentricity of the inner die in relative to the outer die is saved before production is started, lots of adjusting time is saved, the way of adjusting eccentricity of the inner die is saved, links of material extruding and trial-manufacturing are saved, wastes of sheath materials, water and electricity and other production materials can be greatly reduced, and production costs can be effectively reduced.
Description
Technical field
The utility model relates to the cable jacket production technical field, relates in particular to a kind of exempting from the cable jacket production process and transfers extruded mould.
Background technology
Cable need to be wrapped one deck cable jacket at the outer surface of heart yearn in process of production, to prevent extraneous water or corrosive substance the heart yearn of inside is caused damage.
The production of cable jacket is carried out at the cable sheath machine, on the head of cable jacket machine extruded mould is installed, the cable heart yearn is with the centre of certain speed by extruded mould, the simultaneously meeting on every side of extruded mould constantly produces cable jacket and cover the surface of cable core, thereby finishes the coating of cable cover(ing) on cable core.
The whole roundness of cable jacket wall is an important quality control index in the process of producing, currently used extruded mould is split type extruded mould, this extruded mould is comprised of internal mold and external mold, internal mold and external mold are installed on respectively on the head of described cable jacket machine, and internal mold and external mold itself are non-contacting and internal mold and external mold between be formed for the annular extrusion cavities that cable jacket is extruded, because the extruded mould internal mold will have a huge impact the whole roundness of cable jacket with respect to the degree of eccentricity of external mold, the internal mold degree of eccentricity is excessive will to cause the inhomogeneous of cable jacket integral body, some part of the cable jacket of namely producing is blocked up and some part is very thin, this is unallowed, therefore need in process of production the degree of eccentricity of internal mold is remained in certain scope, to guarantee the product quality of cable jacket.
Therefore at present whether at first needed to adjust the internal mold of extruded mould with respect to the degree of eccentricity of external mold before start, make within its scope that is in regulation, it is even to adjust the thickness that also need carry out the sheath that the material extrusion checking produces after the degree of eccentricity of internal mold.
Yet, the adjusting of the degree of eccentricity of carrying out the internal mold of extruded mould not only needs veteran workman to regulate, and the material extrusion that needs after having regulated to carry out is repeatedly manufactured experimently, can produce after material extrusion trial-production is qualified, this not only needs to waste a large amount of time and carries out the adjusting of the internal mold degree of eccentricity, has prolonged the available machine time, has reduced production efficiency, also can waste a large amount of protective cover materials simultaneously, improve the production cost of enterprise.
Therefore, how can shorten the available machine time, the waste that reduces protective cover material is the technical problem that present those skilled in the art need solution badly.
The utility model content
The purpose of this utility model provides a kind of cable jacket production with exempting to transfer extruded mould, to shorten the available machine time of cable jacket machine, effectively reduces simultaneously the waste of protective cover material, reduces production costs.
For solving above-mentioned prior art problem, the utility model provides a kind of cable jacket production with exempting to transfer extruded mould, comprise internal mold and external mold, be provided with on the described internal mold for exempting to transfer extruded mould to be installed on threaded ends on the cable jacket machine with whole, also be provided with between described internal mold and the described external mold along the circumferential equally distributed protective cover material opening of described internal mold, be provided with threaded annular connecting plate on the described protective cover material opening, and described internal mold is threaded by described annular connecting plate with described external mold, be formed for producing the annular chamber of cable jacket between described internal mold and the described external mold, and the dead in line of the axis of described internal mold and described external mold.
Preferably, described protective cover material opening is arranged on the described internal mold, described annular connecting plate is sheathed on the described protective cover material opening and the outer surface of described annular connecting plate is provided with external screw thread, and the inner surface of described external mold is provided with the internal thread that matches with described external screw thread.
Preferably, described protective cover material opening is arranged on the inner surface of described external mold, described annular connecting plate is embedded in the formed circular hole of described protective cover material opening, and be provided with internal thread on the described annular connecting plate, the outer surface of described internal mold is provided with the external screw thread that matches with described internal thread.
Preferably, described annular chamber is for flowing into the frustum annular chamber that end reduces gradually to the protective cover material outflow end by protective cover material.
Preferably, the hardness number of described internal mold and described external mold is 40-45HRC.
Preferably, the surface of described internal mold and described external mold all has carburized layer.
As can be seen from the above technical solutions, cable jacket production provided by the utility model is with exempting to transfer extruded mould, comprise internal mold and external mold, be provided with on the internal mold for exempting to transfer extruded mould to be installed on screw thread installation end on the cable jacket machine with whole, also be provided with between internal mold and the external mold along the circumferential equally distributed protective cover material of internal mold and pass through the hole, protective cover material is by being provided with threaded annular connecting plate on the hole, internal mold is threaded by annular connecting plate with external mold, and formed the annular chamber for generation of cable jacket between internal mold and the external mold, the axis of internal mold and the dead in line of external mold.
This shows that cable jacket production provided by the utility model is with exempting to transfer extruded mould, its internal mold and external mold are threaded connection and become one, and because the dead in line of internal mold and external mold, thereby the internal mold that also just guarantees and external mold is concentric, compare with at present split type extruded mould, owing to when mould is produced, guaranteed that interior external mold is concentric, therefore before producing beginning, just saved the adjusting of internal mold with respect to the degree of eccentricity of external mold, as long as the threaded ends of internal mold is connected and can produces with the head of cable jacket machine, this has just saved a large amount of adjusting time, and owing to be provided with the protective cover material opening at the connecting portion of internal mold and external mold, therefore can guarantee protective cover material between internal mold and external mold in the formed annular chamber by and form the sheath that is covered on the cable heart yearn, saving the link of also just having saved material extrusion trial-production when the internal mold degree of eccentricity is regulated, thereby also greatly reduce waste to means of production such as protective cover material and water power, thereby effectively reduce production cost.
Description of drawings
The cable jacket production that Fig. 1 provides for the utility model embodiment is with the cutaway view of the internal mold of exempting to transfer extruded mould;
Fig. 2 is the right view of Fig. 1;
The cable jacket production that Fig. 3 provides for the utility model embodiment is with the cutaway view of the external mold of exempting to transfer extruded mould;
Fig. 4 is the right view of Fig. 3;
The cable jacket production whole cutaway view of exempting to transfer extruded mould that Fig. 5 provides for the utility model embodiment.
Embodiment
Core of the present utility model provides a kind of cable jacket production with exempting to transfer extruded mould, the extruded mould that this cable jacket production is threaded connection the formula that becomes one with internal mold and the external mold of exempting to transfer extruded mould with extruded mould, and guarantee that when producing internal mold and external mold keep with one heart, before start, must regulate the internal mold of extruded mould and the problem of the concentricity between the external mold thereby solved present cable jacket machine.
In order to make those skilled in the art person understand better scheme of the present utility model, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please also refer to Fig. 1 to Fig. 5, wherein the cable jacket production that provides for the utility model embodiment of Fig. 1 is with the cutaway view of the internal mold of exempting to transfer extruded mould, Fig. 2 is the right view of Fig. 1, the cable jacket production that Fig. 3 provides for the utility model embodiment is with the cutaway view of the external mold of exempting to transfer extruded mould, Fig. 4 is the right view of Fig. 3, the cable jacket production whole cutaway view of exempting to transfer extruded mould that Fig. 5 provides for the utility model embodiment.
The cable jacket production that the utility model embodiment provides is with exempting to transfer extruded mould, be installed on the head position of cable jacket machine, this cable jacket production is with exempting to transfer extruded mould to comprise internal mold A and external mold B, be provided with on the internal mold A for the screw thread installation end 1 that whole extruded mould is installed on the cable jacket machine head, and same as the prior art, the middle part of internal mold A also is provided with the heart yearn that passes through for the cable heart yearn and passes through hole 3, external mold B middle part is provided be used to the container cavity 6 that is inserted in internal mold A, between internal mold A and external mold B, also be provided with along the circumferential equally distributed protective cover material of internal mold A and pass through hole 2, protective cover material is used for passing through of cable sheath material by hole 2, and also be provided with threaded annular connecting plate 4 at protective cover material on by hole 2, internal mold A and external mold B are by this annular connecting plate 4 formula extruded mould that becomes one that is threaded, be formed for producing the annular chamber 7 of cable jacket between internal mold A and the external mold B, and the dead in line of the axis of internal mold A and external mold B, namely internal mold A keeps concentric with external mold B.
Cable jacket production provided by the utility model is with exempting to transfer the using method of extruded mould as follows:
Directly the screw thread installation end 1 with internal mold A is installed on the head of cable jacket machine, and preheating is rear start production about 5 minutes, adopts the mode of heat installation in the installation process, for guaranteeing convenient disassembly, when internal mold A back unscrews 15 °-30 ° again after head is tightened.Owing to when mould is produced, guaranteed the concentricity between internal mold A and the external mold B, thereby the annular chamber between internal mold A and the external mold B 7 is the annular chamber of even thickness, the thin phenomenon of a part of thick another part can not appear in its cable jacket of producing, compare with at present split type extruded mould, cable jacket production provided by the utility model is with exempting to transfer extruded mould to save the adjusting of the internal mold before the start with respect to the external mold degree of eccentricity, this has just saved a large amount of time for start, Effective Raise production efficiency, and improved the quality of product; Simultaneously, owing to do not carry out the adjusting of the internal mold degree of eccentricity, thereby also just saved the link of material extrusion trial-production cable jacket, this has just saved a large amount of protective cover materials, effectively reduces the production cost of enterprise; In addition, this cable jacket production can also effectively reduce the operation easier of cable jacket machine with the use of exempting to transfer extruded mould, because the adjusting of the degree of eccentricity of split type extruded mould internal mold needs veteran old employee to regulate, reduce the waste of protective cover material to accelerate starting up speed, and the cable jacket production in the utility model is with exempting to transfer extruded mould not need to carry out the adjusting of the internal mold degree of eccentricity, thereby also can very fast upper manual manipulation for the new employee of enterprise, thereby can also reduce enterprise for employee's training time, reduce the input of training cost.
The setting of protective cover material opening 2, guaranteed that not only protective cover material is in internal mold A and the formed annular chamber 7 interior circulations of external mold B, also played simultaneously the effect that strengthens cable jacket fineness, because at protective cover material opening 2 places, the fluid protective cover material is subject to certain extruding at protective cover material opening 2 places, thereby make more uniform and smooth of protective cover material, rear its fineness also is significantly improved on protective cover material is coated on by the cable heart yearn of deriving in the middle part of the internal mold A.
Protective cover material opening 2 in above-described embodiment can be arranged on the internal mold A, protective cover material opening 2 this moment axially evenly distributing a week along internal mold A, then annular connecting plate 4 is sleeved on the periphery of protective cover material opening 2, and be fixedly connected with protective cover material opening 2, the outer surface of annular connecting plate 4 is provided with external screw thread, the inner surface of external mold B is provided with the internal thread 5 adaptive with this external screw thread, and internal mold A is threaded by annular connecting plate 4 with external mold B.
Certainly, protective cover material opening 2 can also be arranged on the external mold B, namely at the inner surface of external mold B along the jacking opening 2 of encircling for protection circumferentially evenly is set, this moment, annular connecting plate 4 was embedded in protective cover material opening 2 formed circular holes, and be provided with internal thread on this annular connecting plate 4, the outer surface of internal mold A is provided with the external screw thread adaptive with this internal thread, and internal mold A is threaded by annular connecting plate 4 with external mold B.
Internal mold A adopts to be threaded with external mold B and can realize easily dismounting between the interior external mold, and be threaded in the concentricity that can not affect internal mold A and external mold B in the middle of the process of dismounting, thereby can each produce internal mold A and external mold B to be taken apart after complete carry out cleaning work, clean out afterwards it to be tightened and get final product.
In order further to optimize technique scheme, annular chamber 7 in the present embodiment preferably is designed to flow into the frustum annular chamber that end reduces gradually to the protective cover material outflow end by protective cover material, protective cover material increases gradually from flowing into annular chamber 7 its pressure to the process that flows out annular chamber 7 like this, can make so more uniform and smooth of protective cover material, thereby further improve the quality of cable jacket.
The Rockwell hardness of internal mold A and external mold B is preferably between the 40-45 in the present embodiment, can adopt the mode of quenching to make the case hardness of internal mold A and external mold B reach this scope, for further optimisation technique scheme, can also carry out Carburization Treatment to internal mold A and external mold B, make its surface all have one deck carburized layer, so not only can make the case hardness of internal mold A and external mold B reach ideal range, can also make its inside have toughness simultaneously, thereby improve the useful life that this exempts to transfer extruded mould.
Used specific case herein principle of the present utility model and execution mode are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection range of the utility model claim.
Claims (6)
1. a cable jacket production is with exempting to transfer extruded mould, comprise internal mold (A) and external mold (B), be provided with screw thread installation end (1) on the described internal mold, it is characterized in that, be provided with along the circumferential equally distributed protective cover material opening of described internal mold (A) (2) between described internal mold (A) and the described external mold (B), be provided with threaded annular connecting plate (4) on the described protective cover material opening (2), and described internal mold (A) is threaded by described annular connecting plate (4) with described external mold (B), be formed for producing the annular chamber (7) of cable jacket between described internal mold (A) and the described external mold (B), and the dead in line of the axis of described internal mold (A) and described external mold (B).
2. cable jacket production according to claim 1 is with exempting to transfer extruded mould, it is characterized in that, described protective cover material opening (2) is arranged on the described internal mold (A), described annular connecting plate (4) is sheathed on described protective cover material opening (2) outer surface upper and described annular connecting plate (4) and is provided with external screw thread, and the inner surface of described external mold (B) is provided with the internal thread (5) that matches with described external screw thread.
3. cable jacket production according to claim 1 is with exempting to transfer extruded mould, it is characterized in that, described protective cover material opening (2) is arranged on the inner surface of described external mold (B), described annular connecting plate (4) is embedded in the formed circular hole of described protective cover material opening (2), and described annular connecting plate is provided with internal thread on (4), and the outer surface of described internal mold (A) is provided with the external screw thread that matches with described internal thread.
4. cable jacket production according to claim 1 is characterized in that with exempting to transfer extruded mould, and described annular chamber (7) is for flowing into the frustum annular chamber that end reduces gradually to the protective cover material outflow end by protective cover material.
5. cable jacket production according to claim 1 is characterized in that with exempting to transfer extruded mould, and the hardness number of described internal mold (A) and described external mold (B) is 40-45HRC.
6. the described cable jacket production of any one is characterized in that with exempting to transfer extruded mould according to claim 1-5, and the surface of described internal mold (A) and described external mold (B) all has carburized layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220421184 CN202749160U (en) | 2012-08-23 | 2012-08-23 | Adjusting-free plastic extruding die for cable sheath production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220421184 CN202749160U (en) | 2012-08-23 | 2012-08-23 | Adjusting-free plastic extruding die for cable sheath production |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202749160U true CN202749160U (en) | 2013-02-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220421184 Withdrawn - After Issue CN202749160U (en) | 2012-08-23 | 2012-08-23 | Adjusting-free plastic extruding die for cable sheath production |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202749160U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103381430A (en) * | 2013-07-26 | 2013-11-06 | 浙江长兴威尔鹰电缆科技有限公司 | Cable forming die |
| CN103632775A (en) * | 2012-08-23 | 2014-03-12 | 杭州圆通线缆科技有限公司 | Adjusting-free plastic extruding die for cable sheath production |
| CN106782779A (en) * | 2017-01-16 | 2017-05-31 | 东莞金信诺电子有限公司 | A kind of three doublings |
-
2012
- 2012-08-23 CN CN 201220421184 patent/CN202749160U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103632775A (en) * | 2012-08-23 | 2014-03-12 | 杭州圆通线缆科技有限公司 | Adjusting-free plastic extruding die for cable sheath production |
| CN103632775B (en) * | 2012-08-23 | 2016-06-29 | 杭州圆通线缆科技有限公司 | A kind of cable sheathing produces with exempting from tune extruded mould |
| CN103381430A (en) * | 2013-07-26 | 2013-11-06 | 浙江长兴威尔鹰电缆科技有限公司 | Cable forming die |
| CN106782779A (en) * | 2017-01-16 | 2017-05-31 | 东莞金信诺电子有限公司 | A kind of three doublings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130220 Effective date of abandoning: 20160629 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |