CN214773888U - Rubber cable extrusion water-cooling die sleeve - Google Patents
Rubber cable extrusion water-cooling die sleeve Download PDFInfo
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- CN214773888U CN214773888U CN202120218082.2U CN202120218082U CN214773888U CN 214773888 U CN214773888 U CN 214773888U CN 202120218082 U CN202120218082 U CN 202120218082U CN 214773888 U CN214773888 U CN 214773888U
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Abstract
A rubber cable extrusion water-cooling die sleeve is provided with a refrigerant flow channel; the rubber cable extrusion water-cooling die sleeve comprises a die sleeve inner core and a die sleeve outer core, and the die sleeve inner core and the die sleeve outer core are mutually connected in a sealing way; a longitudinal water-blocking block and a transverse water-blocking block are connected in the refrigerant flow channel; the bottom surfaces of the longitudinal water-blocking block and the transverse water-blocking block are closely attached to the outer wall of the second side of the die sleeve inner core, and the top surfaces of the longitudinal water-blocking block and the transverse water-blocking block are closely attached to the first concave hollow inner wall; the longitudinal water blocking block is partitioned in the refrigerant flow channel, one side of the longitudinal water blocking block is a refrigerant inlet side, and the other side of the longitudinal water blocking block is a refrigerant outlet side; the transverse water blocking block and the longitudinal water blocking block are connected to form a refrigerant inlet cavity, and the refrigerant inlet cavity is positioned on the refrigerant inlet side; the transverse water blocking block is provided with a notch, and the refrigerant inlet cavity is communicated with the refrigerant flow channel through the notch; the water inlet hole is communicated with the refrigerant inlet cavity, and the water outlet hole is communicated with the refrigerant outlet side of the refrigerant flow channel; the water inlet hole and the water outlet hole are respectively connected with a water inlet pipe and a water outlet pipe.
Description
Technical Field
The utility model relates to a cable extrusion tooling in rubber cable continuous vulcanization processing field belongs to the cable and makes technical field.
Background
The cable produced by using the cable insulation or the sheath made of the rubber material has the advantages of good environmental adaptability, good electrical property, good flexibility, high tensile strength, high torsion resistance, good wear resistance, long service life and the like, so the cable is often used as a special cable in the occasions of ships, mining equipment, port mechanical equipment and the like, such as a cable for large mining equipment disclosed by Chinese patent publication No. CN203562235U, an ethylene propylene insulation wind energy special cable disclosed by Chinese patent publication No. CN201111984Y, a CN201984896U dragging drum cable disclosed by Chinese patent publication No. and the like.
Considering that a rubber cable needs high-temperature vulcanization during production, a cable skin layer with high voltage level is generally thicker, the vulcanization temperature needs to be increased for ensuring that the deep layer of the cable skin layer can be vulcanized, and the increase of the vulcanization temperature brings over-high temperature of an extrusion die orifice of the cable, so that the extrusion clinker influences the apparent quality of the cable.
SUMMERY OF THE UTILITY MODEL
One of the objects of the present invention is to overcome the above-mentioned deficiencies of the prior art. The water-cooling rubber cable extrusion die sleeve is high in product quality and production efficiency and convenient to operate.
In order to achieve the above purpose, the utility model adopts the technical scheme that:
a rubber cable extrusion water-cooling die sleeve is provided with a refrigerant flow channel; the rubber cable extrusion water-cooling die sleeve comprises a die sleeve inner core and a die sleeve outer core, and the die sleeve inner core and the die sleeve outer core are mutually connected in a sealing way;
a first concave hollow is arranged on the first side of the outer core of the die sleeve, the first concave hollow is in the shape of a cylinder and a circular table which are spliced with each other, and the big bottom of the circular table is superposed with the bottom of the cylinder; a first through hole is formed between the first side and the second side of the outer core of the die sleeve; the first through hole is superposed with the axis of the first concave hollow part; the first end surface of the first through hole is superposed with the plane of the small bottom of the circular truncated cone, and the radius of the first end surface of the first through hole is smaller than that of the small bottom of the circular truncated cone;
the second side of the die sleeve inner core is in a circular truncated cone shape; a second concave hollow is arranged on the first side of the die sleeve inner core and forms a die sleeve glue-passing channel; a second through hole is formed in the die sleeve inner core and communicated with the second concave hollow part; the second through hole is coaxial with the circular table on which the second side of the die sleeve inner core is positioned, and the second through hole forms a die sleeve hole; a first annular boss and a second annular boss are arranged on the side, where the second side of the die sleeve inner core is located, of the small bottom of the circular table, the height of the first annular boss is lower than that of the second annular boss, the outer diameter of the first annular boss is larger than that of the second annular boss, and the second through hole is coaxial with the first annular boss and the second annular boss;
the outer edge of the die sleeve inner core is connected with an annular folded edge, and the inner diameter of the annular folded edge is the same as the outer diameter of the outsole of the circular truncated cone on which the second side of the die sleeve inner core is positioned;
the inner core of the die sleeve and the outer core of the die sleeve are mutually connected in a sealing way:
the second annular boss extends into the first through hole, and the outer wall of the second annular boss is closely attached to the inner wall of the first through hole;
the first outer wall of the annular folded edge is closely attached to the end face of the first side of the outer core of the die sleeve;
the second side of the die sleeve inner core and the first concave hollow of the die sleeve outer core enclose a cavity to form the refrigerant flow channel; the coolant flow channel is annularly wrapped outside the inner core of the die sleeve;
a longitudinal water-blocking block and a transverse water-blocking block are connected in the refrigerant flow channel; the bottom surfaces of the longitudinal water-blocking block and the transverse water-blocking block are closely attached to the outer wall of the second side of the die sleeve inner core, and the top surfaces of the longitudinal water-blocking block and the transverse water-blocking block are closely attached to the first concave hollow inner wall;
the longitudinal water blocking block is partitioned in the refrigerant flow channel, one side of the longitudinal water blocking block is a refrigerant inlet side, and the other side of the longitudinal water blocking block is a refrigerant outlet side; the transverse water blocking block and the longitudinal water blocking block are connected to form a refrigerant inlet cavity, and the refrigerant inlet cavity is positioned at the refrigerant inlet side; the transverse water blocking block is provided with a notch, and the refrigerant inlet cavity is communicated with the refrigerant flow channel through the notch;
2 through holes, namely a water inlet hole and a water outlet hole, are formed in the first concave hollow side wall, the water inlet hole is communicated with the refrigerant inlet cavity, and the water outlet hole is communicated with the refrigerant outlet side of the refrigerant flow channel; the water inlet hole and the water outlet hole are respectively connected with a water inlet pipe and a water outlet pipe.
In the specific implementation:
the die sleeve inner core and the die sleeve outer core are welded, and the welding positions are respectively as follows:
a chamfer is arranged between the end face of the second annular boss and the outer wall, a chamfer is arranged between the second end face of the first through hole and the inner wall, and an annular indent between the end face of the second annular boss and the second end face of the first through hole forms a first welding groove;
a chamfer is arranged between the side wall of the annular folded edge and the first outer wall of the annular folded edge, and a chamfer is arranged between the side wall of the first side of the outer core of the die sleeve and the end surface; and the annular inner recess between the side wall of the annular folded edge and the end surface of the first side of the outer core of the die sleeve forms a second welding groove.
The bottom surfaces of the longitudinal water-blocking block and the transverse water-blocking block are fixedly connected with the outer wall of the second side of the die sleeve inner core.
The shape of the second concave hollow (the mold sleeve glue-feeding channel) is a circular truncated cone shape.
The outer core and the inner core are made of nickel-chromium alloy steel.
The utility model discloses a cable extrusion die sleeve, from the functional perspective, its die sleeve is inside to form refrigerant (water-cooling) runner, wraps completely outside the die sleeve inner core, and the cooling effect is good. From the point of machinability, the inner core and the outer core can be respectively manufactured and then connected (in a welding structure mode) into a whole, and the manufacture is simple.
When the die sleeve is used, the temperature of sulfur vapor conducted to the die sleeve during rubber cable production can be reduced by adopting a water-feeding mode, the vapor temperature is blocked and conducted to the die sleeve hole 7 by adopting a water-cooling die sleeve mode, and the generation of coke materials caused by overhigh temperature during rubber extrusion can be effectively prevented.
The detailed structure of the present invention will be further described with reference to the drawings and the detailed description.
Drawings
Fig. 1 is a schematic diagram of the inner core structure of the die sleeve of this embodiment.
Fig. 2 is a schematic view of the outer core structure of the die sleeve of the embodiment.
Fig. 3 is a schematic view (axial sectional view) of the overall structure of the die case of the present embodiment.
FIG. 4 is a schematic right-side view of FIG. 3;
in the figure: the water inlet pipe comprises a water inlet pipe 1, a water outlet pipe 2, a die sleeve inner core 3, a die sleeve glue running channel (second concave hollow) 4, a die sleeve outer core 5, a boss 6, a die sleeve hole (second through hole) 7, a longitudinal water blocking block 8, a transverse water blocking block 9, a refrigerant flow channel 10, a water inlet hole 11, a water outlet hole 12, a second welding groove 13, a first welding groove 14, a first concave hollow 15, a first through hole 16, a first annular boss 17, a second annular boss 18, an annular folded edge 19, a refrigerant inlet side 20, a refrigerant outlet side 21, a refrigerant inlet cavity 22 and a gap 23.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 4, a rubber cable extrusion water-cooling die sleeve is provided with a refrigerant flow passage 10; the rubber cable extrusion water-cooling die sleeve comprises a die sleeve inner core 3 and a die sleeve outer core 5, and the die sleeve inner core 3 and the die sleeve outer core 5 are mutually connected in a sealing manner. In this embodiment, the coolant may be water.
Referring to fig. 2 and 3, a first concave hollow 15 is arranged on a first side of the die sleeve outer core 5, the shape of the first concave hollow 15 is a cylinder and a circular table which are spliced with each other, and the big bottom of the circular table is superposed with the bottom of the cylinder (in this example, the top surface of the transverse water-blocking block 9 is attached to the side wall of the cylinder part, and the refrigerant inlet cavity 22 is formed between the side wall of the cylinder part and the circular table outer wall on the second side of the die sleeve inner core); a first through hole 16 is formed between the first side and the second side of the die sleeve outer core 5 (the first end surface of the first through hole is positioned at the second side of the die sleeve outer core, and the second end surface of the first through hole 16 is positioned at the first side of the die sleeve outer core); the first through hole 16 coincides with the axis of the first concave hollow 15; the first end surface of the first through hole 16 is superposed with the plane of the small bottom of the circular truncated cone, and the radius of the first end surface of the first through hole 16 is smaller than that of the small bottom of the circular truncated cone;
the end face of the second side of the die sleeve outer core 5 is connected with an annular boss 6, and the boss 6 is arranged at the periphery of the second end face of the first through hole 16.
Referring to fig. 1 and 3, the second side of the die case core 3 is shaped like a circular truncated cone; a second concave hollow is arranged on the first side of the die sleeve inner core 3 and forms a die sleeve glue-passing channel 4; a second through hole is formed in the die sleeve inner core and communicated with the second concave hollow part; the second through hole is coaxial with the circular table on which the second side of the die sleeve inner core is positioned, and the second through hole forms a die sleeve hole 7; a first annular boss 17 and a second annular boss 18 are arranged on the side, where the second side of the die sleeve inner core is located, of the small bottom of the circular table, the height of the first annular boss 17 is lower than that of the second annular boss 18, the outer diameter of the first annular boss 17 is larger than that of the second annular boss 18, and the second through hole is coaxial with the first annular boss and the second annular boss;
the outer edge of the die sleeve inner core is connected with an annular folded edge 19, and the inner diameter of the annular folded edge 19 is the same as the outer diameter of the outsole of the circular table on which the second side of the die sleeve inner core is positioned;
referring to fig. 3 and 4, in the state that the die sleeve inner core and the die sleeve outer core are mutually connected in a closed manner:
the second annular boss extends into the first through hole, and the outer wall of the second annular boss is closely attached to the inner wall of the first through hole;
the first outer wall of the annular folded edge 19 is closely attached to the end face of the first side of the outer core of the die sleeve;
the second side of the die sleeve inner core and the first concave hollow 15 of the die sleeve outer core form a cavity to form the refrigerant flow channel 10; the coolant flow channel 10 is annularly wrapped outside the inner core of the die sleeve;
a longitudinal water-blocking block 8 and a transverse water-blocking block 9 are connected in the refrigerant flow channel 10; the bottom surfaces of the longitudinal water-blocking block 8 and the transverse water-blocking block 9 are closely attached to the outer wall of the second side of the die sleeve inner core, and the top surfaces of the longitudinal water-blocking block 8 and the transverse water-blocking block 9 are closely attached to the inner wall of the first concave hollow 15;
the longitudinal water blocking block 8 is separated in the refrigerant flow channel, one side of the longitudinal water blocking block 8 is a refrigerant inlet side 20, and the other side of the longitudinal water blocking block 8 is a refrigerant outlet side 21; the transverse water-blocking block 9 and the longitudinal water-blocking block 8 are connected to form a refrigerant inlet cavity 22, and the refrigerant inlet cavity 22 is positioned on the refrigerant inlet side 20; a notch 23 is arranged on the transverse water-blocking block 9, and the refrigerant inlet cavity 22 is communicated with the refrigerant flow channel through the notch 23;
the side wall of the first concave hollow 15 is provided with 2 through holes, namely a water inlet hole 11 and a water outlet hole 12, the water inlet hole 11 is communicated with the refrigerant inlet cavity, and the water outlet hole 12 is communicated with the refrigerant leaving side 21 of the refrigerant flow channel; the water inlet hole 11 and the water outlet hole 12 are respectively connected with a water inlet pipe 1 and a water outlet pipe 2.
The die sleeve inner core and the die sleeve outer core are welded, and the welding positions are respectively as follows:
a chamfer is arranged between the end face of the second annular boss and the outer wall, a chamfer is arranged between the second end face of the first through hole and the inner wall, and an annular indent between the end face of the second annular boss and the second end face of the first through hole forms a first welding groove 14;
a chamfer is arranged between the side wall of the annular folded edge 19 and the first outer wall of the annular folded edge, and a chamfer is arranged between the side wall of the first side of the outer core of the die sleeve and the end surface; and the annular inner recess between the side wall of the annular folded edge and the end surface of the first side of the outer core of the die sleeve forms a second welding groove 13.
The bottom surfaces of the longitudinal water-blocking block and the transverse water-blocking block are fixedly connected with the outer wall of the second side of the die sleeve inner core.
The shape of the second concave hollow (the mold sleeve glue-feeding channel 4) is a circular truncated cone shape. The outer core and the inner core are made of nickel-chromium alloy steel.
In this embodiment, two water-blocking blocks in the transverse and longitudinal directions are processed on the inner core 4 of the mold sleeve to form a flow channel. And a second through hole on the die sleeve inner core 4 and the side wall of the circular table where the second concave hollow part is positioned are in circular arc (fillet) transition with the radius of 5 mm-10 mm. A boss 6 with the height of 4 mm-10 mm is arranged outside the first through hole of the die sleeve outer core 5. The welding of the die sleeve outer core 5 and the die sleeve inner core 4 is performed by adopting nickel-chromium alloy welding materials.
The processing method of the rubber cable extrusion water-cooling die sleeve comprises the following steps:
1. the rough machining of the die case core 3 is performed using a machining center, as shown in fig. 1.
2. The outer core 5 of the die sleeve is roughly processed by using a common lathe, and the water inlet hole 11 and the water outlet hole 12 are processed by using a drilling machine and then tapped, as shown in figure 2.
3. The inner core of the die sleeve and the outer core of the die sleeve are integrated and then welded, as shown in fig. 3.
4. Finally, the whole die sleeve is subjected to finish turning, polishing and other treatments;
5. general turning of connecting pipes: an inlet pipe 1 and an outlet pipe 2 are installed.
6. After the die sleeve is machined, hydraulic pressure welding line leakage detection is carried out, and finally the die sleeve is put into use.
The cable extrusion die sleeve of the embodiment is formed by respectively manufacturing the inner core and the outer core and then welding the inner core and the outer core into a whole, and a water cooling channel is formed inside the die sleeve.
The inner core 3 of the die sleeve and the outer core 5 of the die sleeve are welded together to form a whole, a special runner is formed on the inner core of the die sleeve in a processing mode, and two threaded holes are formed in the outer core of the die sleeve and used for being connected with a water inlet pipe and a water outlet pipe.
The utility model discloses the die sleeve can adopt the mode that leads to water to get into to reduce even the sulphur vapour when rubber cable production and conduct the temperature on the die sleeve, adopts water-cooling die sleeve mode separation vapour temperature conduction to die sleeve hole 7 and the die orifice can effectively prevent that the rubber from extruding the time the high temperature leads to the burnt material to produce.
In the processing process, the die sleeve inner core and the die sleeve outer core can be cast to obtain a cast steel rough blank, and then the cast steel rough blank is processed in a processing center. And can also be directly manufactured by forging steel.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (5)
1. A rubber cable extrusion water-cooling die sleeve is characterized in that a coolant runner is arranged in the die sleeve; the rubber cable extrusion water-cooling die sleeve comprises a die sleeve inner core and a die sleeve outer core, and the die sleeve inner core and the die sleeve outer core are mutually connected in a sealing way;
a first concave hollow is arranged on the first side of the outer core of the die sleeve, the first concave hollow is in the shape of a cylinder and a circular table which are spliced with each other, and the big bottom of the circular table is superposed with the bottom of the cylinder; a first through hole is formed between the first side and the second side of the outer core of the die sleeve; the first through hole is superposed with the axis of the first concave hollow part; the first end surface of the first through hole is superposed with the plane of the small bottom of the circular truncated cone, and the radius of the first end surface of the first through hole is smaller than that of the small bottom of the circular truncated cone;
the second side of the die sleeve inner core is in a circular truncated cone shape; a second concave hollow is arranged on the first side of the die sleeve inner core and forms a die sleeve glue-passing channel; a second through hole is formed in the die sleeve inner core and communicated with the second concave hollow part; the second through hole is coaxial with the circular table on which the second side of the die sleeve inner core is positioned, and the second through hole forms a die sleeve hole; a first annular boss and a second annular boss are arranged on the side, where the second side of the die sleeve inner core is located, of the small bottom of the circular table, the height of the first annular boss is lower than that of the second annular boss, the outer diameter of the first annular boss is larger than that of the second annular boss, and the second through hole is coaxial with the first annular boss and the second annular boss;
the outer edge of the die sleeve inner core is connected with an annular folded edge, and the inner diameter of the annular folded edge is the same as the outer diameter of the outsole of the circular truncated cone on which the second side of the die sleeve inner core is positioned;
the inner core of the die sleeve and the outer core of the die sleeve are mutually connected in a sealing way:
the second annular boss extends into the first through hole, and the outer wall of the second annular boss is closely attached to the inner wall of the first through hole;
the first outer wall of the annular folded edge is closely attached to the end face of the first side of the outer core of the die sleeve;
the second side of the die sleeve inner core and the first concave hollow of the die sleeve outer core enclose a cavity to form the refrigerant flow channel; the coolant flow channel is annularly wrapped outside the inner core of the die sleeve;
a longitudinal water-blocking block and a transverse water-blocking block are connected in the refrigerant flow channel; the bottom surfaces of the longitudinal water-blocking block and the transverse water-blocking block are closely attached to the outer wall of the second side of the die sleeve inner core, and the top surfaces of the longitudinal water-blocking block and the transverse water-blocking block are closely attached to the first concave hollow inner wall;
the longitudinal water blocking block is partitioned in the refrigerant flow channel, one side of the longitudinal water blocking block is a refrigerant inlet side, and the other side of the longitudinal water blocking block is a refrigerant outlet side; the transverse water blocking block and the longitudinal water blocking block are connected to form a refrigerant inlet cavity, and the refrigerant inlet cavity is positioned at the refrigerant inlet side; the transverse water blocking block is provided with a notch, and the refrigerant inlet cavity is communicated with the refrigerant flow channel through the notch;
2 through holes, namely a water inlet hole and a water outlet hole, are formed in the first concave hollow side wall, the water inlet hole is communicated with the refrigerant inlet cavity, and the water outlet hole is communicated with the refrigerant outlet side of the refrigerant flow channel; the water inlet hole and the water outlet hole are respectively connected with a water inlet pipe and a water outlet pipe.
2. The rubber cable extrusion water-cooling die sleeve as claimed in claim 1, wherein the inner core of the die sleeve and the outer core of the die sleeve are welded, and two welding positions are respectively as follows:
a chamfer is arranged between the end face of the second annular boss and the outer wall, a chamfer is arranged between the second end face of the first through hole and the inner wall, and an annular indent between the end face of the second annular boss and the second end face of the first through hole forms a first welding groove;
a chamfer is arranged between the side wall of the annular folded edge and the first outer wall of the annular folded edge, and a chamfer is arranged between the side wall of the first side of the outer core of the die sleeve and the end surface; and the annular inner recess between the side wall of the annular folded edge and the end surface of the first side of the outer core of the die sleeve forms a second welding groove.
3. The water-cooled extrusion die sleeve for the rubber cables as claimed in claim 1, wherein the bottom surfaces of the longitudinal water-blocking blocks and the transverse water-blocking blocks are fixedly connected to the outer wall of the second side of the inner core of the die sleeve.
4. The water-cooled extrusion die sleeve for the rubber cables as claimed in claim 1, wherein the second concave hollow shape is a circular truncated cone shape.
5. The water-cooled extrusion die sleeve for the rubber cables as claimed in claim 1, wherein the outer core and the inner core of the die sleeve are made of nickel-chromium alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120218082.2U CN214773888U (en) | 2021-01-27 | 2021-01-27 | Rubber cable extrusion water-cooling die sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120218082.2U CN214773888U (en) | 2021-01-27 | 2021-01-27 | Rubber cable extrusion water-cooling die sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214773888U true CN214773888U (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120218082.2U Active CN214773888U (en) | 2021-01-27 | 2021-01-27 | Rubber cable extrusion water-cooling die sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214773888U (en) |
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2021
- 2021-01-27 CN CN202120218082.2U patent/CN214773888U/en active Active
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