CN215703936U - Hose extrusion die - Google Patents
Hose extrusion die Download PDFInfo
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- CN215703936U CN215703936U CN202121439575.5U CN202121439575U CN215703936U CN 215703936 U CN215703936 U CN 215703936U CN 202121439575 U CN202121439575 U CN 202121439575U CN 215703936 U CN215703936 U CN 215703936U
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Abstract
The utility model relates to a hose extrusion die which comprises a die core, a die sleeve and a blowing joint, wherein the die sleeve is sleeved on the die core and is used for extruding plastic melt from the space between the die core and the die sleeve, the center of the die core is provided with a through hole which is used for connecting the blowing joint and passing high-pressure gas, and a runner is arranged at the position on the die sleeve, which is in contact with the die core, so that the flow of the plastic melt is accelerated. The mold core and the mold sleeve are in clearance fit, in the process of hose extrusion molding, plastic melt is extruded from the clearance between the mold core and the mold sleeve, the through hole of the mold core is externally connected with a blowing connector to pass through high-pressure gas, when the inner layer of the hose is extruded, the size and the smoothness of an inner hole are ensured by blowing, the movement is stable and reliable, the adjustment is convenient, the production efficiency is improved, the flowing material storage function of a flow channel is accelerated by spiral lifting, the plastic flowing can be smoother, the extrusion speed is increased, the production capacity of an extruder is increased, and the normal production of soft and high-speed extrusion is ensured.
Description
Technical Field
The utility model relates to the field of dies, in particular to a hose extrusion die.
Background
The hose extrusion die is simple in structure, simple in processing technology, widely used in hose extrusion production, capable of improving production efficiency, safe, reliable, wide in application range, low in cost, long in service life and the like. However, in the extrusion production of the plastic hose, the normal production of soft and high-speed extrusion cannot be guaranteed at the same time, only one index can be considered, and the production efficiency is greatly influenced.
In the existing smoke box bar code identification and detection system, chinese utility model patent CN203805287U discloses a "hose extrusion die", the published date is 2014 09 month 03 and is provided with an inner die core, which is characterized in that the inner die core is installed in an inner cavity of an inner die sleeve, the inner die core and the inner die sleeve are fixed together through an inner hexagonal screw, one end of the inner die core is horn-shaped, a runner with a certain gap is arranged between the inner die sleeve and the inner die core, a circumferential mesh hole is processed on a cavity wall of the inner die sleeve corresponding to the rear runner of a machine head, and strip-shaped slotted holes are processed on the cavity wall of the inner die sleeve on one side of the mesh hole at equal intervals; the utility model discloses a simple structure can simplify the production process flow of hose, guarantees under higher extrusion pressure, and the even of plastic-coated hose wall thickness, but when hose extrusion speed was accelerated, can increase by a wide margin to melting plastics supply demand, the material phenomenon will appear absolutely in the extrusion process, can't ensure soft and high-speed normal production of extruding simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model provides a hose extrusion die for solving the technical defect that the normal production of soft and high-speed extrusion cannot be ensured simultaneously in the extrusion production of plastic hoses.
In order to realize the purpose of the utility model, the technical proposal is that:
the utility model provides a hose extrusion tooling, includes mold core, die sleeve and blowing joint, the die sleeve cup joints on the mold core for make the plastics fuse-element extrude from between mold core and the die sleeve, the mold core center is provided with the through-hole, is used for connecting blowing joint and passing through high-pressure gas, the place of contacting with the mold core on the die sleeve is provided with the runner for the flow of plastics fuse-element.
In the scheme, mold core and die sleeve adopt clearance fit's mode, in the hose extrusion moulding process, the plastics fuse-element is extruded from the clearance of mold core and die sleeve, the external joint of blowing of through-hole of mold core comes through high-pressure gas, when the hose inlayer is extruded, hole size and smooth finish are guaranteed through blowing, it is convenient to move reliable and stable regulation, and the production efficiency is improved, rely on the mobile storage function of spiral promotion acceleration runner, can make plastics flow more smoothly, promote extrusion speed, increase extruder productivity, ensure soft and high-speed normal production who extrudes simultaneously.
Preferably, the mold core includes round platform, cone and cylinder, the round platform with the bottom fixed connection of cone, the top of cone with cylinder one end fixed connection, round platform, cone and cylinder center all are provided with the through-hole that runs through, and the through-hole of bottom is connected the joint of blowing, and the through-hole at top is used for passing through high-pressure gas.
Preferably, the through hole is a funnel-shaped through hole, the funnel-shaped through hole at the bottom is connected with the blowing joint, and the funnel-shaped through hole at the top is used for passing high-pressure gas.
Preferably, the inner wall of the through hole at the bottom is provided with an internal thread, the outer side of the air blowing joint is provided with an external thread, and the through hole at the bottom is connected with the air blowing joint through a thread structure.
Preferably, the diameter of the circular truncated cone is equal to the diameter of the bottom surface of the cone, and the diameter of the top surface of the cone is equal to the diameter of the cylinder.
Preferably, the die sleeve is internally provided with a groove which is matched with the shape of the die core, the die core is arranged in the groove, and the plastic melt is extruded from the space between the die core and the groove wall.
Preferably, the flow channel is a spiral accelerating flow channel 21, is arranged on the groove wall of the conical part and is connected with the top direct outlet circular arc.
Preferably, the spiral accelerating flow channel has a semicircular section.
In the scheme, the spiral accelerating runner is arranged at the conical part of the through hole and is connected with the top direct injection outlet circular arc, so that the plastic melt can be smoothly extruded in the runner, the cross section of the runner is semicircular, the plastic melt is upwards lifted in a spiral manner and is connected with the top direct injection outlet circular arc, when the outer diameter of the pipe is small in wall thickness, the gap between the mold core and the mold sleeve is small, the flowing of the molten plastic is hindered, the extrusion speed can be slowed down, the flowing material storage function of the runner is accelerated by spiral lifting, the plastic flowing can be smoother, the extrusion speed is increased, the capacity of an extruder is increased, when the extrusion speed of the hose is accelerated, the supply demand of the molten plastic can be greatly increased, the material breaking phenomenon can occur in the extrusion process, the feeding function of the spiral lifting accelerating runner is relied, the normal supply of the molten plastic can be ensured, and the material breaking phenomenon can not occur in the high-speed extrusion of the pipe.
Preferably, the die sleeve is fixedly connected by two concave platforms with different diameters.
Preferably, the outer surface of the die sleeve is provided with an anti-slip coating.
Preferably, the hose extrusion die comprises a die core and a die sleeve, wherein the bottom of the die core is a round table, the upper part of the round table is provided with a cone, the top of the cone is a cylinder, the external diameter of the die core is gradually reduced from large to small, so that a plastic melt can be smoothly extruded, a through hole is formed in the center of the die core, when the hose extrudes an inner layer, high-pressure air is blown out from the through hole, when the inner layer of the hose is extruded, the inner hole wall of the hose is smooth, the color is transparent and bright, the hose can be cooled and shaped quickly, the diameter and the forming smoothness of the inner hole of the hose can be controlled by adjusting the blowing size, the hose can be taken out of the die and then subjected to water cooling and shaping, the production quality of the hose can be ensured, internal threads are arranged at the bottom of the through hole and are used for connecting a blowing connector with external threads, and the connection and the disassembly are convenient.
The die sleeve is arranged outside the die core, the die sleeve and the die core are in clearance fit, the die sleeve consists of two concave platforms with different diameters, a through hole which is matched with the shape of the die core is arranged in the die core, the die core is arranged in the through hole, plastic melt is extruded from the clearance between the die core and the die core, the plastic extrusion flow is smooth due to the fact that the diameter is reduced, a spiral accelerating runner is arranged on the conical part of the through hole and is connected with a straight-injection outlet circular arc at the top end, the plastic melt can be extruded smoothly in the runner, the cross section of the runner is semicircular, the runner is lifted upwards in a spiral shape and is connected with the straight-injection outlet circular arc at the top end, when the outer diameter of a pipe is small, the thickness of the pipe is small, the clearance between the die core and the die sleeve is small, the flow of the molten plastic is blocked, the extrusion speed can be reduced, the flow storage function of the accelerating runner is lifted by the spiral, the plastic flow is smoother, the extrusion speed is improved, the productivity of the extruder is increased, when the extrusion speed of the hose is increased, the supply demand of the molten plastic can be greatly increased, the material breaking phenomenon can occur in the extrusion process, the normal supply of the molten plastic can be ensured by means of the spiral lifting and material feeding function of the accelerating flow channel, the material breaking phenomenon can not occur in the high-speed extrusion of the pipe, the product quality is guaranteed, the pipe can be supplied in time, and the market competitiveness is improved.
When the hose inlayer is normally extruded, through adjusting high-pressure gas, control hose internal diameter size and glossiness promote product quality, when extruding at a high speed, rely on the spiral to promote the regulatory action of accelerating the runner, the plastics that make when extruding obtain sufficient supply, ensure product extrusion quality, promote work efficiency, increase board productivity.
Compared with the prior art, the utility model has the beneficial effects that:
the utility model provides a hose extrusion die, wherein a die core and a die sleeve are in clearance fit, a plastic melt is extruded from the clearance between the die core and the die sleeve in the process of hose extrusion molding, a through hole of the die core is externally connected with an air blowing joint to pass through high-pressure air, and when the inner layer of a hose is extruded, the size and the smoothness of an inner hole are ensured by air blowing, so that the action is stable, reliable and convenient to adjust, the production efficiency is improved, the plastic can flow more smoothly by virtue of the flowing material storage function of a flow channel, the extrusion speed is improved, and the productivity of an extruder is increased.
Drawings
FIG. 1 is a cross-sectional view of an integrated device of the present invention;
FIG. 2 is a cross-sectional view of the core of the present invention;
FIG. 3 is a cross-sectional view of a die sleeve of the present invention;
description of reference numerals: 1. a mold core; 2. die sleeve; 3. a blowing joint; 11. a circular truncated cone; 12. a cone; 13. a cylinder; 14. a through hole; 21. the spiral accelerates the runner.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent;
the utility model is further illustrated below with reference to the figures and examples.
Example 1
As shown in fig. 1, 2 and 3, the hose extrusion die comprises a die core 1, a die sleeve 2 and a blowing joint 3, wherein the die sleeve 2 is sleeved on the die core 1 and is used for extruding plastic melt from between the die core 1 and the die sleeve 2, a through hole 14 is formed in the center of the die core 1 and is used for connecting the blowing joint 3 and passing high-pressure gas, and a flow channel is formed in the position, which is in contact with the die core 1, of the die sleeve 2 to accelerate the flow of the plastic melt.
In the scheme, the mold core 1 and the mold sleeve 2 are in clearance fit, in the process of extruding and forming the hose, the plastic melt is extruded from the clearance between the mold core 1 and the mold sleeve 2, the through hole of the mold core 1 is externally connected with the air blowing joint 3 to pass through high-pressure air, and when the inner layer of the hose is extruded, the size and the smoothness of the inner hole are ensured by air blowing, so that the hose is stable and reliable in action and convenient to adjust, and the production efficiency is improved.
Preferably, the mold core 1 includes round platform 11, cone 12 and cylinder 13, round platform 11 with the bottom fixed connection of cone 12, the top of cone 12 with cylinder 13 one end fixed connection, round platform 11, cone 12 and cylinder 13 center all are provided with the through-hole 14 that runs through, and the through-hole 14 of bottom is connected gas blowing joint 3, and the through-hole 14 at top is used for passing through high-pressure gas.
Preferably, the through hole 14 is a funnel-shaped through hole, the bottom funnel-shaped through hole is connected with the blowing connector 3, and the top funnel-shaped through hole is used for passing high-pressure gas.
Preferably, the inner wall of the through hole 14 at the bottom is provided with an internal thread, the outer side of the air blowing joint 3 is provided with an external thread, and the through hole 14 at the bottom is connected with the air blowing joint 3 through a thread structure.
Preferably, the diameter of the circular truncated cone 11 is equal to the diameter of the bottom surface of the cone 12, and the diameter of the top surface of the cone 12 is equal to the diameter of the cylinder 13.
Preferably, a groove which is matched with the shape of the mold core 1 is arranged in the mold sleeve 2, the mold core 1 is arranged in the groove, and the plastic melt is extruded from the space between the mold core 1 and the wall of the groove.
Preferably, the flow channel is a spiral accelerating flow channel 21, is arranged on the groove wall of the conical part and is connected with the top direct outlet circular arc.
Preferably, the spiral accelerating flow channel 21 has a semicircular cross section.
Preferably, the die case 2 is fixedly connected by two concave stages with different diameters.
Preferably, the outer surface of the die case 2 is provided with an anti-slip coating.
Example 2
The utility model provides a hose extrusion tooling, by mold core 1, die sleeve 2 constitutes, 1 bottom of mold core is a round platform 11, 11 upper portions of round platform are equipped with cone 12, cone 12 top is cylinder 13, 1 appearance diameter of mold core is by big gradual diminish, the plastics fuse-element of being convenient for smoothly extrudes, the center is equipped with through-hole 14, when the inlayer is extruded to the hose, have the high-pressure gas to blow off from this through-hole 14, blow when the hose inlayer is extruded, make the interior pore wall of tubular product more smooth, the colour is transparent bright, the cooling design is quick, blow the size through the regulation, control hose hole diameter and shaping smooth finish, go out the mould and finalize the design again, ensure hose production quality, the through-hole bottom is equipped with the internal thread, be used for connecting the blowing joint that has the external screw thread, the hookup is dismantled conveniently.
The mold sleeve 2 is arranged outside the mold core 1, the mold sleeve 2 and the mold core 1 are in clearance fit, the mold sleeve 2 consists of two concave platforms with different diameters, a groove which is matched with the mold core 1 in shape is arranged in the concave groove, the plastic melt is extruded from the gap between the mold core 1 and the mold core, the plastic extrusion flow is smooth due to the fact that the diameter is reduced from large to small, a spiral accelerating runner 21 is arranged on the conical part of the concave groove and is connected with a straight injection port circular arc at the top end, the plastic melt can be extruded smoothly in the runner, the cross section of the runner is semicircular and is connected with the straight injection port circular arc at the top end in a spiral upward lifting mode, when the outer diameter of a pipe is small in wall thickness, the gap between the mold core 1 and the mold sleeve 2 is small, the plastic melt flow is blocked, the extrusion speed can be reduced, the flow material storage function of the spiral lifting accelerating runner is utilized, the plastic flow can be more smooth, the extrusion speed is improved, and the production performance of an extruder is increased, when the hose extrusion speed accelerates, can increase by a wide margin to plastics fuse-element supply demand, will appear cutting the material phenomenon among the extrusion process, rely on the spiral to promote the feed function of runner with higher speed, can guarantee the normal supply of molten plastics, make tubular product extrude at a high speed and can not appear cutting the material phenomenon, guarantee product quality, in time supply of material, promote market competition.
When the hose inlayer is normally extruded, through adjusting high-pressure gas, control hose internal diameter size and glossiness promote product quality, when extruding at a high speed, rely on the spiral to promote the regulatory action of accelerating the runner, the plastics that make when extruding obtain sufficient supply, ensure product extrusion quality, promote work efficiency, increase board productivity.
It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a hose extrusion tooling, its characterized in that includes mold core (1), die sleeve (2) and blowing joint (3), die sleeve (2) cup joint on mold core (1) for make the plastics fuse-element extrude from between mold core (1) and die sleeve (2), mold core (1) center is provided with through-hole (14) for connect blowing joint (3) and pass through high-pressure gas, the place of contacting with mold core (1) on die sleeve (2) is provided with the runner for the flow of plastics fuse-element.
2. The hose extrusion die of claim 1, characterized in that, the mold core (1) comprises a circular truncated cone (11), a cone (12) and a cylinder (13), the circular truncated cone (11) is fixedly connected with the bottom of the cone (12), the top of the cone (12) is fixedly connected with one end of the cylinder (13), through holes (14) are formed in the centers of the circular truncated cone (11), the cone (12) and the cylinder (13), the through holes (14) in the bottom are connected with the blowing joint (3), and the through holes (14) in the top are used for allowing high-pressure gas to pass through.
3. A hose extrusion die according to claim 2, characterized in that the through-holes (14) are funnel-shaped through-holes, the bottom funnel-shaped through-hole is connected with the blowing connector (3), and the top funnel-shaped through-hole is used for passing high-pressure gas.
4. A hose extrusion die according to claim 3, characterized in that the inner wall of the through hole (14) at the bottom is provided with internal threads, the outer side of the air blowing joint (3) is provided with external threads, and the through hole (14) at the bottom is connected with the air blowing joint (3) through a thread structure.
5. A hose extrusion die according to claim 2, characterized in that the diameter of the circular truncated cone (11) is equal to the diameter of the bottom surface of the cone (12), and the diameter of the top surface of the cone (12) is equal to the diameter of the cylinder (13).
6. A hose extrusion die according to claim 1, characterized in that the die sleeve (2) is internally provided with a groove conforming to the outer shape of the die core (1), the die core (1) is mounted in the groove, and the plastic melt is extruded between the die core (1) and the wall of the groove.
7. A hose extrusion die according to claim 6, characterized in that the flow channel is a spiral acceleration flow channel (21) arranged on the groove wall of the conical part and connected with the top direct exit arc.
8. A hose extrusion die according to claim 7, characterized in that the spiral acceleration channel (21) is semicircular in cross section.
9. A hose extrusion die according to claim 7, characterized in that the die sleeve (2) is fixedly connected by two lands of different diameters.
10. A hose extrusion die according to claim 9, characterized in that the outer surface of the die sleeve (2) is provided with an anti-slip coating.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121439575.5U CN215703936U (en) | 2021-06-25 | 2021-06-25 | Hose extrusion die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121439575.5U CN215703936U (en) | 2021-06-25 | 2021-06-25 | Hose extrusion die |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215703936U true CN215703936U (en) | 2022-02-01 |
Family
ID=80045314
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121439575.5U Active CN215703936U (en) | 2021-06-25 | 2021-06-25 | Hose extrusion die |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215703936U (en) |
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2021
- 2021-06-25 CN CN202121439575.5U patent/CN215703936U/en active Active
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