CN109263016B - Extrusion forming device for rubber pipe - Google Patents
Extrusion forming device for rubber pipe Download PDFInfo
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- CN109263016B CN109263016B CN201811217478.4A CN201811217478A CN109263016B CN 109263016 B CN109263016 B CN 109263016B CN 201811217478 A CN201811217478 A CN 201811217478A CN 109263016 B CN109263016 B CN 109263016B
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- extrusion
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- air blowing
- blowing
- rubber tube
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/22—Tubes or pipes, i.e. rigid
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- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses an extrusion forming device of a rubber tube, which can greatly improve the extrusion forming effect of the rubber tube and ensure the performance of the rubber tube.
Description
Technical Field
The invention relates to an extrusion forming device for a rubber tube, and belongs to the technical field of extrusion forming equipment for the rubber tube.
Background
At present, the manufacturing and molding of rubber tubes are mostly completed by adopting an extrusion molding method, and the steps of the method generally comprise the steps of firstly mixing materials for preparing the rubber tubes, then heating the materials, carrying out open mixing treatment on the rubber materials by using an open mill, then sending the raw materials after the open mixing treatment into an extrusion molding machine for extrusion molding, and vulcanizing the extruded rubber tubes if the strength and the like of the extruded rubber tubes are required. The extrusion forming performance is important for the preparation of the rubber tube, the forming quality is important for the performance, the extrusion forming is not good, and the defects such as air bubbles and the like are easy to occur, so that the use performance of the rubber tube is influenced.
The existing rubber pipe extrusion molding generally only depends on an extrusion molding head for extrusion, the temperature and other properties of rubber are difficult to control in the extrusion process, extruded materials are easy to adhere, the material solidity in extrusion is insufficient, air holes are easy to appear, and the use performance is influenced.
The invention provides an extrusion forming device of a rubber tube, aiming at the problems, and improving the extrusion forming performance of the rubber tube.
Disclosure of Invention
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an extrusion device of rubber tube, its characterized in that, it includes material loading subassembly, extrusion screw, interior cylinder base, outer protection insulator, extrusion subassembly and the cooling module that blows, wherein, interior cylinder base level is arranged, just it is rotatable to be provided with coaxially in the interior cylinder base extrusion screw, extrusion screw is rotated by extrusion motor drive, interior cylinder base is made for the iron material, around being equipped with eddy current coil on the outer circumference of interior cylinder base, eddy current coil's outside cover is equipped with outer protection insulator, eddy current coil is connected with alternating current's power, so that it is right the extrusion raw materials of treating in the interior cylinder base heat and keep warm, the discharge end of material loading subassembly is connected to interior cylinder base with cavity region between the extrusion screw, the front end of interior cylinder base is provided with carries out extrusion subassembly to the rubber tube, the front end of the extrusion forming assembly is sleeved with the air blowing cooling assembly, the air blowing cooling assembly is used for air blowing cooling of the extruded rubber tube, and the loading assembly is further provided with a dead weight type pressurizing and unloading assembly.
Further, as preferred, be provided with temperature sensing probe on the outer wall of inner cylinder seat, temperature sensing probe is connected with the controller, the controller is according to temperature probe's detection temperature is to the heating condition of eddy current coil controls, the raw materials in the material loading subassembly is the raw materials after the mill refining.
Further, as preferred, the material loading subassembly includes feeding funnel, feed pipe mouth, unloading control baffle and unloading stirring wheel, wherein, the upper portion of feeding funnel is the cylinder structure, the lower part of feeding funnel is the little toper structure of lower extreme, the lower extreme of feeding funnel is connected to interior barrel holder, the junction between the cylinder structure of feeding funnel and the toper structure is provided with the unloading control baffle of control unloading, be provided with two relative arrangement and opposite direction of rotation's unloading stirring wheel in the toper structure of feeding funnel, be provided with the stirring tooth on the outer circumference of unloading stirring wheel, when the unloading stirring wheel rotates, the stirring tooth makes the interior raw materials downstream of feeding funnel.
Further, as preferred, the extrusion forming assembly comprises an extrusion nozzle, an inner extrusion forming sleeve and a locking seat, wherein the front end of the inner cylinder seat is provided with a connecting seat with a stepped structure, a stepped hole is formed in the connecting seat, the front end of the stepped hole is a big end, the extrusion nozzle is in threaded connection with the connecting seat, the connecting seat is provided with a locking seat for locking the extrusion nozzle, the inner extrusion forming sleeve for forming the peripheral wall of the rubber tube is arranged in the extrusion nozzle, the foremost end of the extrusion screw is of a cylindrical structure, the cylindrical diameter of the rear end of the extrusion screw is larger than that of the foremost cylindrical structure of the extrusion screw, the cylindrical diameter of the rear end and the cylindrical diameter of the front end are in smooth transition at the position of the inner extrusion forming sleeve, the central hole of the inner extrusion forming sleeve is a conical hole, and the inner diameter of the rear end of the conical hole is larger than the inner diameter of the front end, the inner extrusion molding sleeve and the extrusion screw are arranged into an extrusion molding area.
Further, it is preferable that a feed screw blade is provided on an outer circumference of a section of the extrusion screw located in the inner cylinder block.
Further, as preferred, dead weight formula pressurization unloading subassembly includes multilayer heavy object briquetting, clamp plate and slide, wherein, be provided with the slide around the clamp plate, the slide is in slide in the upper portion cylinder structure of feeding funnel, just the slide with sealed slip sets up between the feeding funnel, the upper end of clamp plate is provided with the coupling nut seat, the heavy object briquetting adopts double-screw bolt threaded connection to be in on the coupling nut seat, the upper end of heavy object briquetting is provided with the coupling nut seat, the lower extreme of heavy object briquetting is provided with the double-screw bolt, and two adjacent heavy object briquetting adopt double-screw bolt and coupling nut seat threaded connection together.
Further, as preferred, the air blowing cooling assembly comprises an air blowing seat, an inner air blowing sleeve and an air blowing joint, wherein the air blowing seat sleeve is fixedly arranged at the front end of the extrusion nozzle, the front end of the extrusion nozzle is provided with a chamfering structure, a circle of air blowing groove is formed in the inner wall of the air blowing seat sleeve and is positioned on the front side of the chamfering position of the front end of the extrusion nozzle, the inner air blowing sleeve is arranged on the air blowing groove in a sealing mode, an air blowing cavity is formed between the inner air blowing sleeve and the inner groove wall of the air blowing groove, a plurality of obliquely formed air blowing holes are formed in the inner air blowing sleeve in an array mode, the air blowing holes and the axis of the extrusion screw are arranged in an included angle mode, air blown out from the air blowing holes inclines towards the extrusion front end of the rubber pipe, and the air blowing joint extending out of the air blowing seat is communicated with the air blowing cavity.
Preferably, the extrusion screw extends out of the inner cylinder seat so as to be connected with an output shaft of an extrusion forming motor fixed on a seat body outside the inner cylinder seat, and a rotary sealing ring is arranged between the extrusion screw and the seat body.
Further, preferably, an air blowing pump is connected to the air blowing joint.
Compared with the prior art, the invention has the beneficial effects that:
the extrusion forming device for the rubber tube can greatly improve the extrusion forming effect of the rubber tube and ensure the performance of the rubber tube, the material at the front end of the extrusion forming is heated and insulated by adopting the vortex, the temperature of the raw material can be accurately controlled, and the extrusion forming performance is ensured.
Drawings
FIG. 1 is a schematic view showing the structure of an extrusion molding apparatus for a rubber tube according to the present invention;
FIG. 2 is a schematic structural view of a dead weight type pressing and blanking assembly of an extrusion molding device for rubber pipes according to the present invention;
FIG. 3 is a schematic view showing the structure of an eddy current coil at the position of an inner cylindrical seat of an extrusion molding apparatus for rubber hose according to the present invention;
FIG. 4 is a schematic view showing the structure of a blow-off unit of an extrusion molding apparatus for rubber hose according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an extrusion device of rubber tube, its characterized in that, it includes material loading subassembly, extrusion screw 22, inner tube seat 11, outer protection insulator seat 10, extrusion subassembly and the cooling module 16 that blows, wherein, inner tube seat 11 horizontal arrangement, just it is rotatable coaxial in the inner tube seat 11 extrusion screw 22, extrusion screw 22 is rotated by extrusion motor 7 drive, inner tube seat 11 is made for the iron material, around being equipped with eddy current coil 12 on the outer circumference of inner tube seat 11, the outside cover of eddy current coil 12 is equipped with outer protection insulator seat 10, eddy current coil 12 is connected with alternating current's power, so that to right the raw materials of treating extrusion in the inner tube seat heat preservation, the discharge end of material loading subassembly is connected to inner tube seat with the cavity region between the extrusion screw, the front end of inner tube seat is provided with the extrusion subassembly that carries out extrusion to the rubber tube, the front end of the extrusion forming assembly is sleeved with the air blowing cooling assembly 16, the air blowing cooling assembly 16 is used for air blowing cooling of the extruded rubber tube, and the loading assembly is further provided with a dead weight type pressurizing and unloading assembly.
In this embodiment, be provided with temperature sensing probe on the outer wall of interior cylinder base, temperature sensing probe is connected with the controller, the controller basis temperature probe's detection temperature is right eddy current coil's heating condition is controlled, the raw materials in the material loading subassembly is the raw materials after the mill refining.
As a better embodiment, the feeding assembly comprises a feeding hopper 1, a feeding pipe opening 5, a feeding control baffle 6 and a feeding stirring wheel 9, wherein the upper part of the feeding hopper 1 is of a cylindrical structure, the lower part of the feeding hopper 1 is of a conical structure with a small lower end, the lower end of the feeding hopper is connected to the inner barrel seat 11, the feeding control baffle 6 for controlling feeding is arranged at the joint between the cylindrical structure and the conical structure of the feeding hopper 1, two feeding stirring wheels 9 which are oppositely arranged and have opposite rotating directions are arranged in the conical structure of the feeding hopper 1, stirring teeth are arranged on the outer circumference of the feeding stirring wheel, and when the feeding stirring wheels rotate, the stirring teeth enable raw materials in the feeding hopper to move downwards.
As a better embodiment, the extrusion molding assembly comprises an extrusion nozzle 14, an inner extrusion molding sleeve 13 and a locking seat, wherein the front end of the inner cylinder seat 11 is provided with a connecting seat with a stepped structure, the connecting seat is internally provided with a stepped hole, the front end of the stepped hole is a big end, the extrusion nozzle 14 is in threaded connection with the connecting seat, the connecting seat is provided with a locking seat for locking the extrusion nozzle, the inner extrusion molding sleeve 13 for molding the peripheral wall of the rubber tube is arranged in the extrusion nozzle, the foremost end of the extrusion screw 22 is a cylindrical structure 15, the diameter of the cylinder at the rear end of the extrusion screw is larger than that of the cylindrical structure at the foremost end of the extrusion screw, the diameter of the cylinder at the rear end and the diameter of the cylinder at the front end are in smooth transition at the position of the inner extrusion molding sleeve, the center hole of the inner extrusion molding sleeve is a conical hole, and the inner diameter of the rear end of the conical hole is larger than that of the front end, and the inner extrusion forming sleeve and the extrusion screw rod mechanism are arranged into an extrusion forming area. A feed screw blade 23 is provided on the outer circumference of the section of the extrusion screw located in the inner barrel holder.
As a better embodiment, the dead weight formula is pressurized unloading subassembly includes multilayer heavy object briquetting 4, clamp plate 3 and slide 2, wherein, be provided with slide 2 around the clamp plate 3, slide 2 is in slide in the upper portion cylinder structure of feeding funnel, just slide 2 with sealed slip setting between the feeding funnel, the upper end of clamp plate 3 is provided with the connection nut seat, heavy object briquetting 4 adopts double-screw bolt 17 threaded connection on the connection nut seat, the upper end of heavy object briquetting is provided with the connection nut seat, the lower extreme of heavy object briquetting is provided with the double-screw bolt, and two adjacent heavy object briquetting 4 adopt double-screw bolt 17 and be in the same place with connection nut seat threaded connection.
As shown in fig. 4, the air blowing cooling assembly includes an air blowing base 18, an inner air blowing sleeve 21 and an air blowing joint 19, wherein the air blowing base 18 is sleeved and fixed at the front end of the extrusion nozzle, the front end of the extrusion nozzle is provided with a chamfer structure, a circle of air blowing groove 20 is formed in the inner wall of the air blowing base sleeve, the air blowing groove 20 is located at the front side of the chamfer position of the front end of the extrusion nozzle, the inner air blowing sleeve 21 is hermetically arranged on the air blowing groove 20, an air blowing cavity is formed between the inner air blowing sleeve and the inner groove wall of the air blowing groove, a plurality of obliquely formed air blowing holes are arranged in the inner air blowing sleeve in an array manner, the air blowing holes and the axis of the extrusion screw are arranged at an included angle, air blown from the air blowing holes is inclined towards the extrusion front end of the rubber tube, and the air blowing joint extending out of the air blowing base is communicated with the air.
The extrusion screw rod extends out of the inner cylinder seat so as to be connected with an output shaft of an extrusion forming motor fixed on a seat body outside the inner cylinder seat, and a rotary sealing ring 8 is arranged between the extrusion screw rod and the seat body. And the air blowing joint is connected with an air blowing pump.
The extrusion forming device for the rubber tube can greatly improve the extrusion forming effect of the rubber tube and ensure the performance of the rubber tube, the material at the front end of the extrusion forming is heated and insulated by adopting the vortex, the temperature of the raw material can be accurately controlled, and the extrusion forming performance is ensured.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an extrusion device of rubber tube, its characterized in that, it includes material loading subassembly, extrusion screw, interior cylinder base, outer protection insulator, extrusion subassembly and the cooling module that blows, wherein, interior cylinder base level is arranged, just it is rotatable to be provided with coaxially in the interior cylinder base extrusion screw, extrusion screw is rotated by extrusion motor drive, interior cylinder base is made for the iron material, around being equipped with eddy current coil on the outer circumference of interior cylinder base, eddy current coil's outside cover is equipped with outer protection insulator, eddy current coil is connected with alternating current's power, so that it is right the extrusion raw materials of treating in the interior cylinder base heat and keep warm, the discharge end of material loading subassembly is connected to interior cylinder base with cavity region between the extrusion screw, the front end of interior cylinder base is provided with carries out extrusion subassembly to the rubber tube, the front end of the extrusion forming assembly is sleeved with the air blowing cooling assembly, the air blowing cooling assembly is used for air blowing cooling of the extruded rubber tube, and the loading assembly is also provided with a dead weight type pressurizing and unloading assembly;
the air blowing cooling assembly comprises an air blowing seat, an inner air blowing sleeve and an air blowing joint, wherein a chamfer structure is arranged at the front end of the extrusion nozzle, the air blowing groove is positioned on the front side of the chamfer position at the front end of the extrusion seat, and an air blowing cavity is formed between the inner air blowing sleeve and the inner groove wall of the air blowing groove;
the outer wall of the inner cylinder seat is provided with a temperature sensing probe, the temperature sensing probe is connected with a controller, the controller controls the heating condition of the eddy current coil according to the detection temperature of the temperature probe, and the raw material in the feeding assembly is refined by an open mill;
the feeding assembly comprises a feeding hopper, a feeding pipe opening, a blanking control baffle and a blanking stirring wheel, wherein the upper part of the feeding hopper is of a cylindrical structure, the lower part of the feeding hopper is of a conical structure with a small lower end, the lower end of the feeding hopper is connected to the inner cylinder seat, the blanking control baffle for controlling blanking is arranged at the joint between the cylindrical structure and the conical structure of the feeding hopper, two opposite blanking stirring wheels which are arranged oppositely and have opposite rotating directions are arranged in the conical structure of the feeding hopper, stirring teeth are arranged on the outer circumference of the blanking stirring wheel, and when the blanking stirring wheel rotates, the stirring teeth enable raw materials in the feeding hopper to move downwards;
the self-weight type pressurizing and blanking assembly comprises a plurality of layers of weight pressing blocks, a pressing plate and a sliding seat, wherein the sliding seat is arranged on the periphery of the pressing plate, the sliding seat slides in an upper cylindrical structure of the feeding hopper, the sliding seat and the feeding hopper are arranged in a sealing and sliding manner, a connecting nut seat is arranged at the upper end of the pressing plate, the weight pressing blocks are connected onto the connecting nut seat through stud threads, the connecting nut seat is arranged at the upper end of each weight pressing block, studs are arranged at the lower end of each weight pressing block, and two adjacent weight pressing blocks are connected with the connecting nut seat through studs;
the blowing seat is sleeved and fixed at the front end of the extrusion nozzle, a circle of blowing groove is formed in the inner wall of the blowing seat, the inner blowing sleeve is arranged on the blowing groove in a sealing mode, a plurality of obliquely arranged blowing holes are formed in the inner blowing sleeve in an array mode, the blowing holes and the axis of the extrusion screw are arranged in an included angle mode, the air blown out from the blowing holes inclines towards the extrusion front end of the rubber pipe, and a blowing joint extending out of the blowing seat is communicated with the blowing cavity.
2. The extrusion molding apparatus of a rubber tube as claimed in claim 1, wherein: the extrusion forming assembly comprises an extrusion nozzle, an inner extrusion forming sleeve and a locking seat, wherein the front end of the inner cylinder seat is provided with a connecting seat of a stepped structure, a stepped hole is arranged in the connecting seat, the front end of the stepped hole is a big end, the extrusion nozzle is in threaded connection with the connecting seat, the connecting seat is provided with a locking seat for locking the extrusion nozzle, the inner part of the extrusion nozzle is provided with the inner extrusion forming sleeve for forming the peripheral wall of the rubber tube, the foremost end of the extrusion screw rod is of a cylindrical structure, the cylindrical diameter of the rear end of the extrusion screw rod is larger than the diameter of the foremost cylindrical structure of the extrusion screw rod, the cylindrical diameter of the rear end and the cylindrical diameter of the front end are in smooth transition at the position of the inner extrusion forming sleeve, the central hole of the inner extrusion forming sleeve is a conical hole, and the inner diameter of the rear end of the conical hole is larger than the inner diameter, the inner extrusion molding sleeve and the extrusion screw are arranged into an extrusion molding area.
3. The extrusion molding apparatus of a rubber tube as claimed in claim 1, wherein: and a feeding spiral blade is arranged on the outer circumference of the section of the extrusion screw rod positioned in the inner cylinder seat.
4. An extrusion molding apparatus of a rubber tube as set forth in claim 2 or 3, wherein: the extrusion screw rod extends out of the inner cylinder seat so as to be connected with an output shaft of an extrusion forming motor fixed on a seat body outside the inner cylinder seat, and a rotary sealing ring is arranged between the extrusion screw rod and the seat body.
5. The extrusion molding apparatus of a rubber tube as claimed in claim 1, wherein: and the air blowing joint is connected with an air blowing pump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811217478.4A CN109263016B (en) | 2018-10-18 | 2018-10-18 | Extrusion forming device for rubber pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811217478.4A CN109263016B (en) | 2018-10-18 | 2018-10-18 | Extrusion forming device for rubber pipe |
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| CN109263016A CN109263016A (en) | 2019-01-25 |
| CN109263016B true CN109263016B (en) | 2021-04-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811217478.4A Active CN109263016B (en) | 2018-10-18 | 2018-10-18 | Extrusion forming device for rubber pipe |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109604104A (en) * | 2019-02-01 | 2019-04-12 | 国网辽宁省电力有限公司营口供电公司 | Conductor corrosion prevention rouge on-line intelligence coating unit |
| IT201900018530A1 (en) * | 2019-10-11 | 2021-04-11 | Sacmi | Apparatus and method for obtaining multilayer doses. |
| CN110815671B (en) * | 2019-11-19 | 2021-11-02 | 广东中讯通讯设备实业有限公司 | MPP pipe cooling and shaping sleeve and working method thereof |
| CN114083773A (en) * | 2021-11-05 | 2022-02-25 | 天津荣晟昌泰科技有限公司 | Rubber tube extrusion device |
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| CN101746041A (en) * | 2008-12-22 | 2010-06-23 | 重庆工商大学 | Principle and method for forming semisolid and solid extruded bidirectional self-enhanced plastic pipes |
| CN204249209U (en) * | 2014-10-30 | 2015-04-08 | 中山力劲机械有限公司 | A kind of blanking device of plunger-type injection molding machine |
| CN106965406A (en) * | 2017-05-02 | 2017-07-21 | 安徽国登管业科技有限公司 | A kind of modified plastic extruder |
| CN107718504A (en) * | 2017-09-05 | 2018-02-23 | 煌盛集团重庆管业有限公司 | A kind of polyethylene tube shaping extrusion equipment of high fluidity |
| CN108381893A (en) * | 2018-04-03 | 2018-08-10 | 贵州枫叶管业有限公司 | A kind of PE tubing continuous extrusion cooling device |
-
2018
- 2018-10-18 CN CN201811217478.4A patent/CN109263016B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101746041A (en) * | 2008-12-22 | 2010-06-23 | 重庆工商大学 | Principle and method for forming semisolid and solid extruded bidirectional self-enhanced plastic pipes |
| CN204249209U (en) * | 2014-10-30 | 2015-04-08 | 中山力劲机械有限公司 | A kind of blanking device of plunger-type injection molding machine |
| CN106965406A (en) * | 2017-05-02 | 2017-07-21 | 安徽国登管业科技有限公司 | A kind of modified plastic extruder |
| CN107718504A (en) * | 2017-09-05 | 2018-02-23 | 煌盛集团重庆管业有限公司 | A kind of polyethylene tube shaping extrusion equipment of high fluidity |
| CN108381893A (en) * | 2018-04-03 | 2018-08-10 | 贵州枫叶管业有限公司 | A kind of PE tubing continuous extrusion cooling device |
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