CN210011282U - Cable sheath is aircraft nose for extruder with integral type mould - Google Patents
Cable sheath is aircraft nose for extruder with integral type mould Download PDFInfo
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- CN210011282U CN210011282U CN201920919060.1U CN201920919060U CN210011282U CN 210011282 U CN210011282 U CN 210011282U CN 201920919060 U CN201920919060 U CN 201920919060U CN 210011282 U CN210011282 U CN 210011282U
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Abstract
The utility model relates to the technical field of cable sheath extrusion devices, in particular to a head for a cable sheath extruder with an integrated mold, wherein the core mold is arranged inside a port mold, the rear end of the port mold and the rear end of the core mold are welded into a whole, an interlayer flow channel is formed between the core mold and the port mold, a plurality of through holes are circumferentially arranged at the connecting position of the core mold and the port mold, the through holes are communicated to the interlayer flow channel, the external part of the integrated mold is provided with external threads which are connected with internal threads of a head body, die internal threads are arranged at one side of the integrated mold, which is far away from an extrusion port, the die seat is arranged at the inner side of the head body and is connected with the integrated mold, the fixed internal die sleeve is arranged at the inner side of the die seat, one end of the fixed internal die sleeve is connected with the die, thereby ensuring the concentricity of the two and further ensuring the wall thickness of the cable sheath.
Description
Technical Field
The utility model relates to a cable sheathing extrusion device technical field specifically is a aircraft nose for cable sheathing extruder with integral type mould.
Background
The cable is generally composed of an insulating protective sheath surrounding a conductive cable core, and an extruder is an essential device in the production process of electric wires and cables, which enables a melt to form a continuous and compact tubular coating layer around the core. The head of the cable extruder consists of an alloy steel inner sleeve and a carbon steel outer sleeve, and a forming die is arranged in the head. The extruder mould is not only a cable product forming device, but also a final hot-pressing action device in the whole extrusion process, and the geometric shape, the structural form and the size of the mould, the temperature, the pressure and the like directly determine the success or failure of cable processing.
The forming die used for the machine head of the existing cable sheath extruder comprises a core die and a mouth die which are concentrically fixed through bolts, and a plastic melt flows out of the core die and the mouth die for forming.
Disclosure of Invention
In view of prior art's defect, the utility model provides a cable sheathing is aircraft nose for extruder with integral type mould, it has the mould that sets up mandrel, bush integration to guaranteed concentric between them, further guaranteed cable sheathing's wall thickness, set up rational structure simultaneously on the basis of integral type mould, make it connect more firmly.
In order to achieve the purpose, the technical scheme of the utility model is a head for a cable sheath extruder with an integrated mold, which comprises a head body, the integrated mold, a mold seat and a fixed inner mold sleeve; the integral type mould includes bush, mandrel, inside the bush was arranged in to the mandrel, and bush rear end and mandrel rear end welding are as an organic whole, form intermediate layer flow channel between mandrel and the bush, and mandrel, bush hookup location circumference set up a plurality of through-holes, the through-hole communicates to intermediate layer flow channel, the outside external screw thread that sets up of integral type mould, the external screw thread with the female connection of aircraft nose body, the inside mould internal thread that sets up of extruding mouth one side of keeping away from of integral type mould, the mould seat sets up and is connected with the integral type mould at aircraft nose body inboard, fixed centre form cover sets up in the mould seat inboard, fixed centre form cover one end with mould female connection, the mould seat can be dismantled with fixed centre form cover and.
Based on the technical scheme, the core die and the mouth die are integrally arranged, so that the concentricity of the core die and the mouth die is ensured, and the wall thickness of the cable sheath is further ensured. Utilize integral type mould and aircraft nose body threaded connection, the inside mould internal thread that sets up that keeps away from extrusion outlet one side of integral type mould, the setting of mould seat is connected with the integral type mould at aircraft nose body inboard, fixed centre form cover is established in the mould seat inboard, fixed centre form cover one end with mould internal thread connection, such structure makes the fixed of mould more stable, and the device operation is more stable, reliable.
Furthermore, the interlayer flow channel comprises a diameter-variable flow channel and a parallel flow channel, the outer diameter of the core mould at the position of the diameter-variable flow channel is gradually reduced, the inner diameter of the mouth mould at the position of the diameter-variable flow channel is gradually reduced, and the thickness of the diameter-variable flow channel is gradually reduced.
Based on above-mentioned technical scheme, utilize the reducing flow channel that thickness reduces gradually to carry out the pressure boost, slowly reducing pressure boost for the pressure boost is more stable.
Preferably, the front part of the die is of a hexagonal structure.
Furthermore, the through hole is a curve runner or a winding runner.
Based on the technical scheme, the curved flow channel or the winding flow channel is adopted at the position, and compared with a straight flow channel, the trend that the fluid at the outlet position of the through hole moves towards one side can be realized, so that the fluid flowing out of the through hole is more favorably mixed, the combination is tighter, the generation of gaps and flaws is avoided, and what needs to be explained is that the flow channel is a twisted-like flow channel.
Furthermore, the die seat and the fixed inner die sleeve are fixed through a plurality of screws arranged in the circumferential direction.
Based on above-mentioned technical scheme, conveniently dismantle and maintain the change.
Further, a feeding port is formed in one side of the machine head body, an annular fluid cavity is formed in one side, connected with the integrated die, of the die seat, the feeding port is communicated with the annular fluid cavity, and the annular fluid cavity is communicated to the interlayer flow channel through the through holes.
Based on above-mentioned technical scheme, the fuse-element flows into annular fluid chamber by the pan feeding mouth, flows into intermediate layer flow channel through a plurality of through-holes through annular fluid chamber. The annular fluid cavity is arranged to buffer fluid flowing into the feeding port to a certain degree, so that the fluid gradually and stably enters the interlayer flow channel to be pressurized.
Preferably, the polyurethane foam layer is sleeved on the outer side of the handpiece body.
Based on the technical scheme, the polyurethane foam layer is used for heat preservation, so that the temperature of the material is kept, and the product quality is improved.
The utility model has the advantages that: the mould is provided with the mould which integrates the core mould and the mouth mould, thereby ensuring the concentricity of the core mould and the mouth mould and further ensuring the wall thickness of the cable sheath.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the integrated mold of the present invention;
FIG. 3 is a feed end view of the integrated mold;
FIG. 4 is an end view of the discharge end of the integrated mold;
FIG. 5 is a schematic structural view of example 2;
FIG. 6 is a schematic structural diagram of a curved flow channel;
in the figure: 1. the die comprises a machine head body, 2, an integrated die, 3, a die seat, 4, a fixed inner die sleeve, 5, a die, 6, a core die, 7, an interlayer flow channel, 8, a through hole, 9, an external thread, 10, an extrusion opening, 11, a die internal thread, 12, a reducing flow channel, 13, a screw, 14, a feeding opening, 15, an annular fluid cavity, 16, a polyurethane foam layer, 17 and a parallel flow channel.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
Example 1
A head for a cable sheath extruder with an integrated mold comprises a head body 1, an integrated mold 2, a mold base 3 and a fixed inner mold sleeve 4; the integrated die comprises a die 5 and a core die 6, wherein the core die 6 is arranged in the die 5, the rear end of the die 5 and the rear end of the core die 6 are welded into a whole, an interlayer flow channel 7 is formed between the core die 6 and the die 5, a plurality of through holes 8 are circumferentially arranged at the connecting positions of the core die 6 and the die 5, the through holes 8 are communicated to the interlayer flow channel 7, external threads 9 are arranged on the outer portion of the integrated die 2, the external threads 9 are connected with internal threads of the die head body 1, internal threads 11 of the die are arranged on one side of the extrusion opening 10 in the integrated die 2, the die base 3 is arranged on the inner side of the die head body 1 and is connected with the integrated die 2, the fixed inner die sleeve 4 is arranged on the inner side of the die base 3, one end of the fixed inner die sleeve 4 is connected.
Further, the interlayer flow channel 7 comprises a variable diameter flow channel 12 and a parallel flow channel 17, the outer diameter of the core mould at the position of the variable diameter flow channel 12 is gradually reduced, the inner diameter of the core mould at the position of the variable diameter flow channel 12 is gradually reduced, and the thickness of the variable diameter flow channel 12 is gradually reduced.
Preferably, the front part of the die 5 has a hexagonal structure.
Further, the die holder 3 and the fixed inner die sleeve 4 are fixed by a plurality of screws 13 arranged in the circumferential direction.
Further, a feeding port 14 is formed in one side of the machine head body 1, an annular fluid cavity 15 is formed in one side, connected with the integrated die 2, of the die seat 3, the feeding port 14 is communicated with the annular fluid cavity 15, and the annular fluid cavity 15 is communicated to the interlayer flow channel 7 through the through holes.
Preferably, a polyurethane foam layer 16 is sleeved on the outer side of the handpiece body 1.
Example 2
A head for a cable sheath extruder with an integrated mold comprises a head body 1, an integrated mold 2, a mold base 3 and a fixed inner mold sleeve 4; the integrated die comprises a die 5 and a core die 6, wherein the core die 6 is arranged in the die 5, the rear end of the die 5 and the rear end of the core die 6 are welded into a whole, an interlayer flow channel 7 is formed between the core die 6 and the die 5, a plurality of through holes 8 are circumferentially arranged at the connecting positions of the core die 6 and the die 5, the through holes 8 are communicated to the interlayer flow channel 7, external threads 9 are arranged on the outer portion of the integrated die 2, the external threads 9 are connected with internal threads of the die head body 1, internal threads 11 of the die are arranged on one side of the extrusion opening 10 in the integrated die 2, the die base 3 is arranged on the inner side of the die head body 1 and is connected with the integrated die 2, the fixed inner die sleeve 4 is arranged on the inner side of the die base 3, one end of the fixed inner die sleeve 4 is connected.
Further, the interlayer flow channel 7 comprises a variable diameter flow channel 12 and a parallel flow channel 17, the outer diameter of the core mould at the position of the variable diameter flow channel 12 is gradually reduced, the inner diameter of the core mould at the position of the variable diameter flow channel 12 is gradually reduced, and the thickness of the variable diameter flow channel 12 is gradually reduced.
Preferably, the front part of the die 5 has a hexagonal structure.
Further, the through hole 8 is a curved flow channel.
Further, the die holder 3 and the fixed inner die sleeve 4 are fixed by a plurality of screws 13 arranged in the circumferential direction.
Further, a feeding port 14 is formed in one side of the machine head body 1, an annular fluid cavity 15 is formed in one side, connected with the integrated die 2, of the die seat 3, the feeding port 14 is communicated with the annular fluid cavity 15, and the annular fluid cavity 15 is communicated to the interlayer flow channel 7 through the through holes.
Preferably, a polyurethane foam layer 16 is sleeved on the outer side of the handpiece body 1.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (7)
1. The utility model provides a cable sheath is aircraft nose for extruder with integral type mould which characterized in that: comprises a machine head body, an integrated die, a die seat and a fixed inner die sleeve; the integral type mould includes bush, mandrel, inside the bush was arranged in to the mandrel, and bush rear end and mandrel rear end welding are as an organic whole, form intermediate layer flow channel between mandrel and the bush, and mandrel, bush hookup location circumference set up a plurality of through-holes, the through-hole communicates to intermediate layer flow channel, the outside external screw thread that sets up of integral type mould, the external screw thread with the female connection of aircraft nose body, the inside mould internal thread that sets up of extruding mouth one side of keeping away from of integral type mould, the mould seat sets up and is connected with the integral type mould at aircraft nose body inboard, fixed centre form cover sets up in the mould seat inboard, fixed centre form cover one end with mould female connection, the mould seat can be dismantled with fixed centre form cover and.
2. The head for a cable sheath extruder with an integrated mold according to claim 1, characterized in that: the interlayer flow channel comprises a diameter-variable flow channel and a parallel flow channel, the outer diameter of the core mould at the position of the diameter-variable flow channel is gradually reduced, the inner diameter of the mouth mould at the position of the diameter-variable flow channel is gradually reduced, and the thickness of the diameter-variable flow channel is gradually reduced.
3. The head for a cable sheath extruder with an integrated mold according to claim 1, characterized in that: the front part of the neck mold is of a hexagonal structure.
4. The head for a cable sheath extruder with an integrated mold according to claim 1, characterized in that: the through hole is a curve runner or a winding runner.
5. The head for a cable sheath extruder with an integrated mold according to claim 1, characterized in that: the die seat and the fixed inner die sleeve are fixed through a plurality of screws arranged in the circumferential direction.
6. The head for a cable sheath extruder with an integrated mold according to claim 1, characterized in that: the die is characterized in that a feeding port is formed in one side of the machine head body, an annular fluid cavity is formed in one side, connected with the integrated die, of the die seat, the feeding port is communicated with the annular fluid cavity, and the annular fluid cavity is communicated to the interlayer flow channel through a plurality of through holes.
7. The head for a cable sheath extruder with an integrated mold according to claim 1, characterized in that: the outer side of the machine head body is sleeved with a polyurethane foam layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920919060.1U CN210011282U (en) | 2019-06-19 | 2019-06-19 | Cable sheath is aircraft nose for extruder with integral type mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920919060.1U CN210011282U (en) | 2019-06-19 | 2019-06-19 | Cable sheath is aircraft nose for extruder with integral type mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210011282U true CN210011282U (en) | 2020-02-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920919060.1U Active CN210011282U (en) | 2019-06-19 | 2019-06-19 | Cable sheath is aircraft nose for extruder with integral type mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210011282U (en) |
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2019
- 2019-06-19 CN CN201920919060.1U patent/CN210011282U/en active Active
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