CN117962261A - Double-station screw extruder for cable production - Google Patents

Double-station screw extruder for cable production Download PDF

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Publication number
CN117962261A
CN117962261A CN202410300525.0A CN202410300525A CN117962261A CN 117962261 A CN117962261 A CN 117962261A CN 202410300525 A CN202410300525 A CN 202410300525A CN 117962261 A CN117962261 A CN 117962261A
Authority
CN
China
Prior art keywords
extrusion
frame
cylinder
cooling
conveying
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202410300525.0A
Other languages
Chinese (zh)
Inventor
崔士峰
张雪霞
崔浩然
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianxin Cable Co ltd
Original Assignee
Tianxin Cable Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianxin Cable Co ltd filed Critical Tianxin Cable Co ltd
Priority to CN202410300525.0A priority Critical patent/CN117962261A/en
Publication of CN117962261A publication Critical patent/CN117962261A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/06—Rod-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/28—Storing of extruded material, e.g. by winding up or stacking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/325—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles being adjustable, i.e. having adjustable exit sections
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/355—Conveyors for extruded articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/395—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders
    • B29C48/397—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using screws surrounded by a cooperating barrel, e.g. single screw extruders using a single screw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/565—Screws having projections other than the thread, e.g. pins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/59—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw
    • B29C48/605—Screws characterised by details of the thread, i.e. the shape of a single thread of the material-feeding screw the thread being discontinuous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/64—Screws with two or more threads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/80—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the plasticising zone, e.g. by heating cylinders
    • B29C48/802—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/78—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling
    • B29C48/86—Thermal treatment of the extrusion moulding material or of preformed parts or layers, e.g. by heating or cooling at the nozzle zone
    • B29C48/865—Heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/906—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article using roller calibration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
    • B29L2031/3462—Cables

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention relates to the technical field of screw extruders, and provides a double-station screw extruder for cable production, which comprises a fixed frame, a conveying shell, a conveying assembly, a heating assembly, a cooling assembly, an adjusting assembly, a material receiving assembly and a correcting assembly.

Description

Double-station screw extruder for cable production
Technical Field
The invention relates to the technical field of screw extruders, in particular to a double-station screw extruder for cable production.
Background
The double-station screw extruder is a screw extruder with two extrusion positions, can simultaneously produce two cables, is generally used for producing cable insulation layers or sheath layers, heats plastic or rubber particles to a molten state in operation, presses materials into an extrusion head by using a rotating screw, and extrudes the materials into a required shape and size through the aperture of the extrusion head and covers the cables.
Because the structure of duplex screw extruder is comparatively complicated, when long-time use, the problem such as part wearing and tearing can appear, lead to running into the obstacle in the extrusion process, common duplex screw extruder very easily appears extruding inhomogeneous problem when using, this is because the extrusion head of two working positions is generally fixed setting, if the part takes place wearing and tearing, probably can lead to extrusion pressure unstable, lead to extrusion speed's unstability, influence the processing of cable, and when handling the cable of different specifications and different requirements, need change extrusion head to carry out the production cable, the efficiency of production has been reduced, because cable production is a continuous process, but can produce some cladding inhomogeneous circumstances in the production process, the rejection rate has been increased.
Aiming at the problems in the prior art, a double-station screw extruder for cable production, which can adapt to cables with different specifications and requirements, is designed.
Disclosure of Invention
The invention provides a double-station screw extruder for cable production, which solves the problem that two cables with different specifications and different requirements are difficult to process simultaneously in the related technology.
The technical scheme of the invention is as follows:
A duplex screw extruder for cable production, comprising:
A fixed frame;
the conveying shell is fixedly arranged on the upper part of the fixed frame and is provided with an extrusion section and a refining section;
the conveying assembly is arranged on the extrusion section and is used for conveying materials;
the heating component is arranged on the material homogenizing section and is used for homogenizing materials while heating the materials;
The forming mechanism is arranged at the outlet of the material homogenizing section and used for coating the cable;
The molding mechanism comprises a cooling assembly and an adjusting assembly, wherein the adjusting assembly is arranged inside the heating assembly and used for producing cables, and the cooling assembly is arranged at an outlet of the adjusting assembly and used for cooling the produced cables;
the material receiving assembly is arranged on the fixed frame and used for rolling up the processed cable;
Correction subassembly, correction subassembly installs on the conveying casing for the inhomogeneous condition of cladding appears when avoiding producing the cable.
In addition to the foregoing, the conveying assembly includes:
the transmission shaft is rotatably arranged in the conveying shell;
the conveying screw plate is rotatably arranged in the extrusion section and fixedly connected with the transmission shaft;
the first motor is fixedly arranged on the conveying shell, and the output end of the first motor is fixedly connected with the transmission shaft;
the conveying plates are fixedly arranged on the transmission shaft at equal intervals and are positioned in the refining section;
The feeding hopper is fixedly arranged at the top of the conveying shell;
the discharging pipe is communicated with the discharging hole of the conveying shell.
In addition to the foregoing, the heating assembly includes:
the heating wire is fixedly sleeved on the discharging pipe;
the heater is fixedly arranged on the conveying shell and is communicated with the heating wire;
The material homogenizing pipe is fixedly arranged in the material homogenizing section at equal angles, is positioned between the conveying plates and is of a hollow structure;
and the heating rods are fixedly arranged in the material homogenizing pipes.
In addition to the foregoing, the cooling assembly includes:
The extrusion frame is fixedly arranged on the fixed frame;
the extrusion pipeline is arranged in the extrusion frame and is communicated with the discharging pipe;
The extrusion cylinder is fixedly arranged on two sides of the extrusion frame;
a connecting pipe is connected between the extrusion cylinder and the extrusion pipeline;
The cooling frame is fixedly arranged on the fixed frame, and the inside of the cooling frame is of a hollow structure;
The cooling cylinders are fixedly arranged outside the extrusion cylinders, vent holes are formed in the cooling cylinders at equal angles, and the cooling cylinders are communicated with the cooling frames;
and the blower is connected to the cooling rack.
On the basis of the foregoing aspect, the adjusting assembly includes:
The extrusion ring is fixedly arranged at one end, close to the cooling cylinder, of the extrusion cylinder;
The adjusting cylinder is slidably and hermetically arranged in the extruding cylinder;
the screw thread groove is formed in one end, close to the extrusion ring, of the adjusting cylinder;
the pushing cylinder is slidably arranged inside the extrusion cylinder;
the end part of the pushing cylinder, which is close to the adjusting cylinder, is provided with an external thread which is in threaded fit with the thread groove;
the inner ring is fixedly arranged inside the pushing cylinder;
a third motor fixedly mounted outside the extrusion barrel
The gear ring is fixedly arranged at the end part of the adjusting cylinder;
The first gear is fixedly arranged at the output end of the third motor and meshed with the gear ring.
On the basis of the scheme, the material receiving assembly comprises:
The material collecting frame is fixedly arranged on the fixed frame;
the material supporting roller is rotatably arranged at the top of the material receiving frame;
The power frame is fixedly arranged in the material receiving frame;
The linkage shaft is rotatably arranged in the power frame;
the two ends of the linkage shaft are detachably provided with the winding shaft;
the support is arranged on the material collecting frame, is positioned at the lower part of the winding shaft and is in sliding fit with the winding shaft;
And the power part is arranged in the power frame and used for driving the linkage shaft to move.
On the basis of the foregoing aspect, the power section includes:
the driven sprocket is fixedly arranged in the linkage shaft;
The second motor is fixedly arranged on the material receiving frame;
The driving chain wheel is fixedly arranged at the output end of the second motor;
And the chain is connected between the driven sprocket and the driving sprocket.
On the basis of the foregoing aspect, the correction assembly includes:
the correction frame is fixedly arranged on the fixed frame and is close to the cooling cylinder;
the correction rings are fixedly arranged on two sides of the correction frame and the conveying shell;
the first electric cylinders are fixedly arranged in the correction ring at equal angles;
the output end of the first electric cylinder is rotatably provided with the correction roller;
the second electric cylinder is fixedly arranged inside the correction ring on the conveying shell at equal angles;
and the damping roller is rotatably arranged at the output end of the second electric cylinder.
The working principle and the beneficial effects of the invention are as follows:
1. According to the invention, when rubber particles are conveyed to the material homogenizing section, the transmission shaft drives the heating plate to rotate through the material homogenizing pipe, the heating rod is started at the same time, the rubber particles are heated while being conveyed, the rubber particles are continuously stirred through the material homogenizing pipe until the rubber particles are melted, at the moment, melted materials are uniformly extruded into the material discharging pipe through the cooperation between the material homogenizing pipe and the conveying plate, then the heater is started, the heater heats the materials in the material discharging pipe for the second time through the heating wire, and the problem that hard blocks mixed due to incomplete melting of the materials affect the quality of cables is solved.
2. According to the invention, the third motor is started, the gear ring is driven by the third motor to rotate through the first gear, the adjusting cylinder is driven by the gear ring to rotate, along with the rotation of the adjusting cylinder, the pushing cylinder is driven to move in the extruding cylinder through the matching of the thread groove and the external thread, the pushing cylinder drives the inner ring to move, the thickness of the extruded insulating layer at two working positions is respectively adjusted through adjusting the positions between the inner ring and the extruding ring, and therefore two cables with different requirements are processed simultaneously.
3. According to the invention, after the cable is processed, the cable enters the cooling cylinder, the blower is started along with the continuous movement of the cable, the blower blows air towards the cooling frame, the air in the cooling frame enters the cooling cylinder and uniformly blows on the cable through the vent holes, the solidification speed of the material is increased, and the phenomenon of nonuniform coating of the insulating layer caused by the material flow is avoided.
4. According to the invention, when the cable passes through the correction ring and is connected to the winding shaft, the first electric cylinder is started, the first electric cylinder drives the correction roller to move, the electric cylinder can be closed after the correction roller is contacted with the cable, then the second electric cylinder is started, the second electric cylinder drives the damping roller to move, the damping roller can drive the cable to move after the damping roller is contacted with the cable, and through the arrangement of the damping roller, the cable does not move towards the moving direction due to inertia when the cable stops moving, so that the stability in the processing process is improved.
5. According to the invention, the adjusting component and the cooling component are matched to process two cables with different requirements, so that the adaptability of the equipment is improved, and the cable can be always kept at one position when being processed by matching the correcting component and the receiving component, so that the production quality of the cable is improved.
Drawings
The invention will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic view of the overall structure of another angle of the present invention;
FIG. 3 is a schematic cross-sectional view of the cooperation of the transport assembly and the heating assembly of the present invention;
FIG. 4 is a schematic view of a molding mechanism according to the present invention;
FIG. 5 is a schematic cross-sectional view of the forming mechanism of the present invention;
FIG. 6 is a schematic cross-sectional view of a cooling assembly of the present invention;
FIG. 7 is a schematic cross-sectional view of an adjustment assembly of the present invention;
FIG. 8 is a schematic view of the configuration of the push cylinder, external threads and inner ring of the present invention;
FIG. 9 is a schematic view of a receiving assembly according to the present invention;
FIG. 10 is a schematic cross-sectional view of a receiving assembly according to the present invention;
FIG. 11 is a schematic cross-sectional view of a calibration assembly of the present invention;
Fig. 12 is a schematic view of a partially enlarged structure of fig. 3 a according to the present invention.
Reference numerals in the drawings represent respectively: 1. a fixed frame; 2. a conveying housing; 3. a transmission shaft; 4. conveying screw plates; 5. a first motor; 6. a conveying plate; 7. a feed hopper; 8. a discharge pipe; 9. a heating wire; 10. a heater; 11. a material homogenizing pipe; 12. a heating rod; 13. an extrusion frame; 14. extruding a pipeline; 15. an extrusion barrel; 16. a connecting pipe; 17. a cooling rack; 18. a cooling cylinder; 19. a vent hole; 20. a blower; 21. extruding the ring; 22. an adjustment cylinder; 23. a thread groove; 24. a pushing cylinder; 25. an external thread; 26. an inner ring; 27. a third motor; 28. a gear ring; 29. a first gear; 30. a material receiving frame; 31. a material supporting roller; 32. a power rack; 33. a linkage shaft; 34. a winding shaft; 35. a bracket; 36. a driven sprocket; 37. a second motor; 38. a drive sprocket; 39. a chain; 40. a correction frame; 41. a correction ring; 42. a first electric cylinder; 43. a correction roller; 44. a second electric cylinder; 45. damping roller.
Detailed Description
The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention, and it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
As shown in fig. 1 to 12, the present embodiment provides a duplex screw extruder for cable production, including fixed frame 1, conveying casing 2, conveying component, heating component, forming mechanism, receive material subassembly and correction component, conveying casing 2 fixed mounting is in fixed frame 1 upper portion, conveying casing 2 is provided with extrusion section and refining section, conveying component installs in the extrusion section, be used for carrying the material, conveying component includes transmission shaft 3, conveying screw plate 4, first motor 5, conveying plate 6, feeder hopper 7 and discharging pipe 8, conveying transmission shaft 3 rotates to install inside conveying casing 2, conveying screw plate 4 rotates to install inside the extrusion section, conveying screw plate 4 and transmission shaft 3 fixed connection, first motor 5 fixed mounting is on conveying casing 2, the output and the transmission shaft 3 fixed connection of first motor 5, a plurality of conveying plates 6 equidistance fixed mounting are on transmission shaft 3, conveying plate 6 is located the refining section, feeder hopper 7 fixed mounting is at conveying casing 2 top, discharging pipe 8 is at the discharge gate of conveying casing 2.
Specifically, when using duplex position screw extruder to process two cables simultaneously, at first pass forming mechanism with the cable, adjust forming mechanism's discharge volume, then twine the cable on receiving material subassembly, then pour rubber granule into through feeder hopper 7 and carry inside casing 2, then start first motor 5, first motor 5 drives transmission shaft 3 and rotates, drive through transmission shaft 3 and carry screw plate 4 and rotate, carry the section of expecting to the rubber granule that gets into the inside casing 2 of carrying screw plate 4 through the rotation, at this moment through the cooperation between delivery plate 6 and the heating element, stir it when heating rubber granule, then extrude the material that melts through discharging pipe 8, the material of discharging pipe 8 inside is extruded the material through forming mechanism, start simultaneously and receive material subassembly and drive the cable and remove, thereby make the material that is extruded adhere to on the cable, through the setting of correcting unit, make the material adhere to more even.
The heating element is installed at the refining section, even material when heating the material, the heating element includes heater strip 9, heater 10, refining pipe 11 and heating rod 12, the fixed cover of heater strip 9 is established on discharging pipe 8, heater 10 fixed mounting is on conveying shell 2, heater 10 and heater strip 9 switch-on, the equiangular fixed mounting of refining pipe 11 is inside the refining section, refining pipe 11 is located between the delivery plate 6, the inside hollow structure that is of refining pipe 11, the equal fixed mounting of refining pipe 11 is inside has heating rod 12.
Specifically, when the rubber particles are conveyed to the refining section, the transmission shaft 3 drives the refining pipe 11 to rotate, the refining pipe 11 drives the heating plate to rotate, meanwhile, the heating rod 12 is started, the rubber particles are conveyed and heated, the rubber particles are continuously stirred through the refining pipe 11 until the rubber particles are melted, at the moment, melted materials are evenly extruded into the discharging pipe 8 through the cooperation between the refining pipe 11 and the conveying plate 6, then the heater 10 is started, the heater 10 heats the materials inside the discharging pipe 8 secondarily through the heating wire 9, and the problem that hard blocks mixed with the materials due to incomplete melting affect the cable quality is reduced.
The shaping mechanism is installed in the exit of refining section for wrap up the cable, wherein, shaping mechanism includes cooling module and adjusting part, adjusting part installs inside heating part, be used for producing the cable, adjusting part includes extrusion circle 21, adjusting part 22, thread groove 23, pushing part 24, external screw thread 25, inner circle 26, third motor 27, gear circle 28 and first gear 29, extrusion circle 21 fixed mounting is close to the one end of cooling part 18 at extrusion part 15, adjusting part 22 slip and sealed the installation is inside extrusion part 15, the thread groove 23 has been seted up to the one end that adjusting part 22 is close to extrusion circle 21, pushing part 24 slidable mounting is inside extrusion part 15, pushing part 24 is close to the tip of adjusting part 22 and is equipped with external screw thread 25, external screw thread 25 and thread groove 23 screw-fit, inner circle 26 fixed mounting is inside pushing part 24, third motor 27 fixed mounting is outside extrusion part 15, gear 28 fixed mounting is at adjusting part 22 tip, first gear 29 fixed mounting is at the output of third motor 27, first gear 29 and gear 28 meshing.
Specifically, after the material enters the extrusion barrel 15, according to the processing requirement of the cable, the thickness of the insulating layer needs to be adjusted, the third motor 27 is started, the first gear 29 is driven to rotate through the third motor 27, the gear ring 28 is driven to rotate through the first gear 29, the adjusting barrel 22 is driven to rotate through the gear ring 28, along with the rotation of the adjusting barrel 22, the adjusting barrel 22 drives the pushing barrel 24 to move in the extrusion barrel 15 through the matching of the thread groove 23 and the external thread 25, the pushing barrel 24 drives the inner ring 26 to move, the thickness of the extruded insulating layer at two working positions is respectively adjusted through adjusting the position between the inner ring 26 and the extrusion ring 21, so that two cables with different requirements are processed simultaneously, after the position of the inner ring 26 is adjusted, the third motor 27 is closed and locked, the position of the inner ring 26 is fixed, and the cable can be processed along with the movement of the cable.
The cooling component is arranged at the outlet of the adjusting component and used for cooling the produced cable, and comprises an extrusion frame 13, an extrusion pipeline 14, an extrusion cylinder 15, a connecting pipe 16, a cooling frame 17, a cooling cylinder 18 and a blower 20, wherein the extrusion frame 13 is fixedly arranged on the fixed frame 1, the extrusion pipeline 14 is arranged inside the extrusion frame 13, the extrusion pipeline 14 is communicated with the discharging pipe 8, the extrusion cylinders 15 are fixedly arranged on two sides of the extrusion frame 13, the connecting pipe 16 is communicated between the extrusion cylinders 15 and the extrusion pipeline 14, the cooling frame 17 is fixedly arranged on the fixed frame 1, a hollow structure is arranged inside the cooling frame 17, the cooling cylinders 18 are fixedly arranged outside the extrusion cylinders 15, the ventilation holes 19 are formed in the cooling cylinders 18 and the cooling frame 17 at equal angles, the blower 20 is communicated on the cooling frame 17.
Specifically, along with the rotation of carrying screw plate 4, the material is extruded into extrusion line 14 inside, then get into the extrusion section of thick bamboo 15 inside through connecting pipe 16, can carry out production and processing to the cable, after the cable is processed, get into inside cooling cylinder 18, along with the continuous removal of cable, start air-blower 20, blow towards cooling frame 17 inside through air-blower 20, cooling frame 17 inside wind gets into inside cooling cylinder 18 to blow on the cable through ventilation hole 19 is even, the speed that the material solidifies is accelerated, avoid the inhomogeneous phenomenon of insulating layer cladding because the material flows and causes.
The material collecting assembly is arranged on the fixed frame 1 and used for collecting the processed cable, and comprises a material collecting frame 30, a material collecting roller 31, a power frame 32, a linkage shaft 33, a material collecting shaft 34, a support 35 and a power part, wherein the material collecting frame 30 is fixedly arranged on the fixed frame 1, the material collecting roller 31 is rotatably arranged at the top of the material collecting frame 30, the power frame 32 is fixedly arranged inside the material collecting frame 30, the linkage shaft 33 is rotatably arranged inside the power frame 32, the two ends of the linkage shaft 33 are detachably provided with the material collecting shaft 34, the material collecting frame 30 is provided with the support 35, the support 35 is positioned at the lower part of the material collecting shaft 34, the support 35 is in sliding fit with the material collecting shaft 34, and the power part is arranged inside the power frame 32 and used for driving the linkage shaft 33 to move.
Specifically, the power part is started to drive the winding shaft 34 to rotate, meanwhile, the cable is processed, the cable is wound on the winding shaft 34 through the arrangement of the material supporting roller 31, the influence on cable processing due to the change of the cable position is reduced, and the stability of the winding shaft 34 in rotation is improved through the arrangement of the support 35.
The power part includes the driven sprocket 36, the second motor 37, the driving sprocket 38 and the chain 39, the driven sprocket 36 is fixedly installed inside the linkage shaft 33, the second motor 37 is fixedly installed on the material receiving frame 30, the driving sprocket 38 is fixedly installed at the output end of the second motor 37, and the chain 39 is connected between the driven sprocket 36 and the driving sprocket 38.
Specifically, in the cable processing process, the second motor 37 is started, the second motor 37 drives the driving sprocket 38 to rotate, the driving sprocket 38 drives the driven sprocket 36 to rotate through the chain 39, and the driven sprocket 36 drives the linkage shaft 33 to rotate, so that the winding shaft 34 is driven to rotate.
The correction assembly is installed on the conveying shell 2 and used for avoiding the condition that cladding is uneven when cables are produced, the correction assembly comprises a correction frame 40, a correction ring 41, a first electric cylinder 42, a correction roller 43, a second electric cylinder 44 and a damping roller 45, the correction frame 40 is fixedly installed on the fixed frame 1, the correction frame 40 is close to the cooling cylinder 18, the correction ring 41 is fixedly installed on two sides of the correction frame 40 and the conveying shell 2, a plurality of first electric cylinders 42 are fixedly installed inside the correction ring 41 at equal angles, the correction roller 43 is rotatably installed at the output end of the first electric cylinder 42, the correction ring 41 is fixedly installed inside the second electric cylinder 44 at the same angles on the conveying shell 2, and the damping roller 45 is rotatably installed at the output end of the second electric cylinder 44.
Specifically, when the cable passes through the correction ring 41 and is connected to the winding shaft 34, the first electric cylinder 42 is started, the first electric cylinder 42 drives the correction roller 43 to move, the electric cylinder can be closed after the correction roller 43 contacts with the cable, then the second electric cylinder 44 is started, the second electric cylinder 44 drives the damping roller 45 to move, after the damping roller 45 contacts with the cable, the cable can be driven to move, and through the arrangement of the damping roller 45, the cable cannot move towards the moving direction due to inertia when the cable stops moving, so that the stability in the processing process is improved.
In summary, when the double-station screw extruder is used to process two cables simultaneously, the winding shaft 34 is firstly installed on the linkage shaft 33, then the cable to be processed passes through the cooling drum 18, the pushing drum 24, the adjusting drum 22 and the correction component, then the cable is fixed on the winding shaft 34, then the rubber particles are poured into the conveying shell 2 through the feeding hopper 7, then the first motor 5 is started, the first motor 5 drives the transmission shaft 3 to rotate, the conveying screw plate 4 is driven to rotate through the transmission shaft 3, the rubber particles entering the conveying shell 2 are conveyed to the refining section through the rotation of the conveying screw plate 4, at this time, the rubber particles are heated and simultaneously stirred through the cooperation between the conveying plate 6 and the heating component, and then the melted materials are extruded out through the discharging pipe 8.
When the rubber particles are conveyed to the refining section, the transmission shaft 3 drives the refining pipe 11 to rotate, the refining pipe 11 drives the heating plate to rotate, the heating rod 12 is started simultaneously, the rubber particles are heated while being conveyed, the rubber particles are continuously stirred through the refining pipe 11 until the rubber particles are melted, the melted materials are evenly extruded into the discharging pipe 8 through the cooperation between the refining pipe 11 and the conveying plate 6, then the heater 10 is started, the heater 10 heats the materials inside the discharging pipe 8 secondarily through the heating wire 9, and the problem that hard blocks mixed with the incomplete melting of the materials affect the quality of cables is solved.
Along with the rotation of carrying screw plate 4, the material is extruded into extrusion line 14 inside, then get into extrusion section of thick bamboo 15 through connecting pipe 16, after the material gets into extrusion section of thick bamboo 15 inside, according to the processing requirement of cable, need adjust the thickness of insulating layer, at first start third motor 27, drive first gear 29 through third motor 27 and rotate, drive gear circle 28 through first gear 29 and rotate, drive adjusting cylinder 22 through gear circle 28 and rotate, along with the rotation of adjusting cylinder 22, adjusting cylinder 22 passes through the cooperation of screw groove 23 and external screw thread 25, drive pushing cylinder 24 and move in extrusion section of thick bamboo 15, pushing cylinder 24 drives inner circle 26 and moves, through the position between adjusting inner circle 26 and the extrusion circle 21, respectively adjust the thickness of the extrusion insulating layer of two working positions, thereby process two kinds of different required cables simultaneously, after adjusting the position of inner circle 26, the position of fixing inner circle 26, can be done to the cable processing operation, the cable after processing gets into cooling cylinder 18 along with the removal of cable, along with the continuous movement of cable, the driving cylinder 22 moves through the screw groove 23 and external screw thread 25, the cooling cylinder 17 is cooled down to the even through the fan 17, and the cooling frame 17 is cooled down and the inside the material is prevented from flowing and the even cooling frame is blown down to the inside because of the cooling frame 17 is cooled down, the material is cooled down to the inside because of the material is evenly and the cooling frame is prevented from the inside the cooling layer is blown down.
In the process of processing the cable, the second motor 37 is started, the second motor 37 drives the driving sprocket 38 to rotate, the driving sprocket 38 drives the driven sprocket 36 to rotate through the chain 39, the driven sprocket 36 drives the linkage shaft 33 to rotate, thereby driving the winding shaft 34 to rotate, when the cable is wound on the winding shaft 34 through the arrangement of the material supporting roller 31, the influence on cable processing due to the change of the cable position is reduced, and the stability of the winding shaft 34 in rotation is improved through the arrangement of the bracket 35.
In the process of cable production, the first electric cylinder 42 is started, the first electric cylinder 42 drives the correction roller 43 to move, the electric cylinder can be closed after the correction roller 43 is in contact with a cable, then the second electric cylinder 44 is started, the second electric cylinder 44 drives the damping roller 45 to move, after the damping roller 45 is in contact with the cable, the cable can be driven to move, through the arrangement of the damping roller 45, when the cable stops moving, the cable cannot move towards the moving direction due to inertia, and stability in the processing process is improved.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.

Claims (8)

1. A duplex screw extruder for cable production, comprising:
a fixed frame (1);
The conveying shell (2) is fixedly arranged at the upper part of the fixed frame (1), and the conveying shell (2) is provided with an extrusion section and a refining section;
the conveying assembly is arranged on the extrusion section and is used for conveying materials;
the heating component is arranged on the material homogenizing section and is used for homogenizing materials while heating the materials;
The forming mechanism is arranged at the outlet of the material homogenizing section and used for coating the cable;
The molding mechanism comprises a cooling assembly and an adjusting assembly, wherein the adjusting assembly is arranged inside the heating assembly and used for producing cables, and the cooling assembly is arranged at an outlet of the adjusting assembly and used for cooling the produced cables;
The material receiving assembly is arranged on the fixed frame (1) and used for rolling up the processed cable;
and the correction component is arranged on the conveying shell (2) and is used for avoiding the condition of uneven coating during the production of the cable.
2. A duplex screw extruder for cable production according to claim 1, wherein the conveying assembly comprises:
The transmission shaft (3) is rotatably arranged in the conveying shell (2);
The conveying screw plate (4) is rotatably arranged in the extrusion section, and the conveying screw plate (4) is fixedly connected with the transmission shaft (3);
The first motor (5), the said first motor (5) is fixedly mounted on said conveying shell (2), the output end of the said first motor (5) is fixedly connected with said drive shaft (3);
the conveying plates (6) are fixedly arranged on the transmission shaft (3) at equal intervals, and the conveying plates (6) are positioned in the refining section;
The feeding hopper (7) is fixedly arranged at the top of the conveying shell (2);
the discharging pipe (8) is connected with the discharging hole of the conveying shell (2).
3. A twin-screw extruder for cable production according to claim 2, wherein the heating assembly comprises:
the heating wire (9) is fixedly sleeved on the discharging pipe (8);
The heater (10) is fixedly arranged on the conveying shell (2), and the heater (10) is communicated with the heating wire (9);
The material homogenizing pipe (11) is fixedly arranged inside the material homogenizing section at equal angles, the material homogenizing pipe (11) is positioned between the conveying plates (6), and the interior of the material homogenizing pipe (11) is of a hollow structure;
And the heating rods (12) are fixedly arranged in the material homogenizing pipes (11), and the heating rods (12) are fixedly arranged in the material homogenizing pipes.
4. A duplex screw extruder for cable production according to claim 3, wherein the cooling assembly comprises:
the extrusion frame (13), the said extrusion frame (13) is fixedly mounted on said fixed frame (1);
The extrusion pipeline (14) is arranged in the extrusion frame (13), the extrusion pipeline (14) is arranged in the extrusion frame, and the extrusion pipeline (14) is communicated with the discharge pipe (8);
The extrusion device comprises an extrusion cylinder (15), wherein both sides of the extrusion frame (13) are fixedly provided with the extrusion cylinder (15);
a connecting pipe (16), wherein the connecting pipe (16) is connected between the extrusion cylinder (15) and the extrusion pipeline (14);
The cooling frame (17), the said cooling frame (17) is fixedly mounted on said fixed frame (1), the said cooling frame (17) is hollow structure inside;
The cooling cylinders (18) are fixedly arranged outside the extrusion cylinders (15), vent holes (19) are formed in the cooling cylinders (18) at equal angles, and the cooling cylinders (18) are communicated with the cooling frames (17);
-a blower (20), said blower (20) being connected to said cooling rack (17).
5. The twin-screw extruder for cable production of claim 4, wherein the adjustment assembly comprises:
an extrusion ring (21), wherein the extrusion ring (21) is fixedly arranged at one end of the extrusion cylinder (15) close to the cooling cylinder (18);
An adjusting cylinder (22), wherein the adjusting cylinder (22) is slidably and hermetically arranged inside the extruding cylinder (15);
a thread groove (23), wherein one end of the adjusting cylinder (22) close to the extrusion ring (21) is provided with the thread groove (23);
A pushing cylinder (24), the pushing cylinder (24) being slidably mounted inside the extrusion cylinder (15);
An external thread (25), wherein the end part of the pushing cylinder (24) close to the adjusting cylinder (22) is provided with the external thread (25), and the external thread (25) is in threaded fit with the thread groove (23);
An inner ring (26), the inner ring (26) being fixedly mounted inside the push cylinder (24);
A third motor (27), the third motor (27) is fixedly arranged outside the extrusion cylinder (15)
The gear ring (28), the said gear ring (28) is fixedly installed on the end of said adjusting cylinder (22);
the first gear (29), first gear (29) fixed mounting is in the output of third motor (27), first gear (29) with gear circle (28) meshing.
6. The twin-screw extruder for cable production of claim 5, wherein the take-up assembly comprises:
The material collecting rack (30), wherein the material collecting rack (30) is fixedly arranged on the fixed frame (1);
the material supporting roller (31), the material supporting roller (31) is rotatably arranged at the top of the material receiving frame (30);
The power frame (32), the power frame (32) is fixedly arranged in the material receiving frame (30);
A linkage shaft (33), wherein the linkage shaft (33) is rotatably installed inside the power frame (32);
the rolling shaft (34) is detachably arranged at two ends of the linkage shaft (33);
the bracket (35) is arranged on the material collecting frame (30), the bracket (35) is positioned at the lower part of the winding shaft (34), and the bracket (35) is in sliding fit with the winding shaft (34);
And the power part is arranged inside the power frame (32) and is used for driving the linkage shaft (33) to move.
7. The twin-screw extruder for cable production of claim 6, wherein the power section comprises:
a driven sprocket (36), wherein the driven sprocket (36) is fixedly arranged inside the linkage shaft (33);
The second motor (37), the said second motor (37) is fixedly mounted on said material receiving frame (30);
The driving chain wheel (38), the said driving chain wheel (38) is fixedly installed in the output end of the said second electrical machinery (37);
-a chain (39), said chain (39) being connected between said driven sprocket (36) and said driving sprocket (38).
8. The twin-screw extruder for cable production of claim 7, wherein the correction assembly comprises:
a correction frame (40), wherein the correction frame (40) is fixedly arranged on the fixed frame (1), and the correction frame (40) is close to the cooling cylinder (18);
The correction ring (41) is fixedly arranged on both sides of the correction frame (40) and the conveying shell (2);
A plurality of first electric cylinders (42) are fixedly arranged in the correction ring (41) at equal angles;
the output end of the first electric cylinder (42) is rotatably provided with the correction roller (43);
a second electric cylinder (44), wherein the second electric cylinder (44) is fixedly arranged inside the correction ring (41) on the conveying shell (2) at equal angles;
And the damping roller (45) is rotatably arranged at the output end of the second electric cylinder (44).
CN202410300525.0A 2024-03-15 2024-03-15 Double-station screw extruder for cable production Pending CN117962261A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202410300525.0A CN117962261A (en) 2024-03-15 2024-03-15 Double-station screw extruder for cable production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202410300525.0A CN117962261A (en) 2024-03-15 2024-03-15 Double-station screw extruder for cable production

Publications (1)

Publication Number Publication Date
CN117962261A true CN117962261A (en) 2024-05-03

Family

ID=90857781

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202410300525.0A Pending CN117962261A (en) 2024-03-15 2024-03-15 Double-station screw extruder for cable production

Country Status (1)

Country Link
CN (1) CN117962261A (en)

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