CN112026139A - Extrusion molding device for cable production - Google Patents

Extrusion molding device for cable production Download PDF

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Publication number
CN112026139A
CN112026139A CN202010751886.9A CN202010751886A CN112026139A CN 112026139 A CN112026139 A CN 112026139A CN 202010751886 A CN202010751886 A CN 202010751886A CN 112026139 A CN112026139 A CN 112026139A
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CN
China
Prior art keywords
cylinder
barrel
extrusion molding
screw rod
machine barrel
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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.)
Withdrawn
Application number
CN202010751886.9A
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Chinese (zh)
Inventor
何仙
章健
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.)
Anhui Jiangqiao Technology Service Co ltd
Original Assignee
Anhui Jiangqiao Technology Service 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 Anhui Jiangqiao Technology Service Co ltd filed Critical Anhui Jiangqiao Technology Service Co ltd
Priority to CN202010751886.9A priority Critical patent/CN112026139A/en
Publication of CN112026139A publication Critical patent/CN112026139A/en
Withdrawn legal-status Critical Current

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    • 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
    • B29C48/375—Plasticisers, homogenisers or feeders comprising two or more stages
    • B29C48/385—Plasticisers, homogenisers or feeders comprising two or more stages using two or more serially arranged screws in separate barrels
    • 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
    • B29C48/252—Drive or actuation means; Transmission means; Screw supporting means
    • B29C48/2526—Direct drives or gear boxes
    • 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
    • B29C48/83—Heating or cooling the cylinders
    • B29C48/832—Heating
    • 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

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

Abstract

One or more embodiments of the present specification provide an extrusion molding apparatus for cable production, including: a base, an extrusion assembly having a first barrel and a first screw; the plasticizing component comprises a second cylinder and a second rotating screw; the material distribution assembly comprises a third cylinder and a third screw, and the side wall of the third cylinder is respectively provided with a material feeding part and a material discharging part; the heating component comprises a first heating module, a second heating module, a temperature controller and a temperature sensor. The plasticizing stage of the plastic extruding machine is separated as an independent working module, so that the plasticizing process is more controllable, the speed of the plasticizing process is not influenced by the extrusion molding speed any more, the plasticizing quality is improved, and the plastic can be ensured to be in a molten state completely; still be equipped with branch material subassembly in plastify subassembly below, can judge whether need secondary hot melt according to the degree of plastics plastify, improve production quality.

Description

Extrusion molding device for cable production
Technical Field
One or more embodiments of this description relate to cable manufacture equipment technical field, especially relate to an extrusion molding device for cable manufacture.
Background
During the production process of the cable, a process called extrusion coating, also called extrusion molding, is adopted, namely, plasticized plastic is uniformly coated on the outer side of the stranded wire core through an extruding machine. The specific working process is as follows: the method comprises the steps of adding plastic particles into a machine barrel through a feeding module, compacting the plastic particles through rotation of a screw rod, heating and plasticizing to form fluid in a molten state, further pushing the fluid through the screw rod, enabling the plastic fluid to reach a machine head die, tensioning a bare wire core through front and rear traction wheels, penetrating the machine head die and moving at a constant speed, enabling the plastic to be uniformly coated on the outer side of the wire core in the process of moving the wire core at the constant speed, and forming a complete cable after passing through a cooling groove.
The main working modules of the plastic extruding machine are a machine barrel and a screw, the screw comprises a feeding section, a plasticizing section and a homogenizing section, namely, the feeding, plasticizing and extruding processes of plastic particles are all completed by the same screw in the machine barrel, whether the plastic particle plasticizing is completely related to the rotating speed of the screw or not is judged, but the rotating speed of the screw needs to take three stages into consideration simultaneously, so that when the extruding flow speed is too high, the plastic particles can not be completely changed into viscous fluid due to too short heating time, solid particles are mixed in the plastic particles, and the quality of cable extrusion molding is influenced; if the length of the screw is lengthened to meet the length requirement of the plasticizing section, the screw manufacturing process is required to be severer, and the manufacturing cost of the machine is increased.
Disclosure of Invention
In view of the above, it is an object of one or more embodiments of the present disclosure to provide an extrusion device for cable production that solves the problem of insufficient and uniform plastication of plastic pellets in an extruder.
In view of the above objects, one or more embodiments of the present specification provide an extrusion molding apparatus for cable production, including:
a base, the upper end of which is provided with a frame;
the extrusion molding assembly is fixedly arranged on the base and provided with a first machine barrel and a first screw rod which are horizontally arranged, the first screw rod is rotatably arranged in an inner cavity of the first machine barrel, the tail part of the first screw rod penetrates through the end wall of the first machine barrel and extends to the outside, an extrusion molding machine head and a gear box are fixedly arranged at two ends of the first machine barrel respectively, the extrusion molding machine head is arranged close to the end head of the first screw rod, the gear box is fixedly connected with the tail part of the first screw rod, and the input end of the gear box is in power connection with a first driving motor;
the plasticizing component is fixedly arranged on the rack and comprises a second machine barrel arranged at the upper end of the rack and a second screw rod rotatably arranged in an inner cavity of the second machine barrel, the tail part of the second screw rod is in power connection with a second driving motor, and a feeding port is formed in one side, close to the tail part of the second screw rod, of the second machine barrel;
the material distributing assembly is fixedly arranged on the rack and comprises a third machine barrel and a third screw rod, a feeding part communicated with the second machine barrel and a discharging part communicated with the first machine barrel are respectively arranged on the side wall of the third machine barrel, the third screw rod is rotatably arranged in an inner cavity of the third machine barrel, and the tail part of the third screw rod is in power connection with a third driving motor;
the heating assembly is fixedly arranged on the rack and comprises a first heating module coated outside the second machine barrel, a second heating module coated outside the third machine barrel, a temperature controller electrically connected with the heating module and a temperature sensor;
the third cylinder is arranged above the first cylinder, the second cylinder is arranged above the third cylinder, and inner cavities of the first cylinder, the second cylinder and the third cylinder are all communicated.
Optionally, the second barrel is obliquely erected on the rack, the feeding port is formed in one end, lifted up, of the second barrel, a discharging port is formed in the other end of the second barrel, a cylindrical stirring cylinder is fixedly arranged on the outer wall of the second barrel, the central axis of the stirring cylinder and the central axis of the second barrel are arranged in a collinear mode, an inner cavity of the stirring cylinder is communicated with an inner cavity of the second barrel, and a stirrer is fixedly sleeved on the outer wall of the second screw rod.
Optionally, the stirrer comprises two round fixing plates arranged in parallel, a plurality of stirring rods are vertically arranged on the opposite side walls of the two fixing plates, and two ends of each stirring rod are fixedly connected with the fixing plates at two ends respectively.
Optionally, the first heating module covers the outer walls of the second cylinder and the stirring cylinder, and a heating ring is arranged inside the first heating module.
Optionally, the third barrel is horizontal, and is unanimous with the direction of putting of first barrel, this feeding portion run through in the lateral wall of third barrel, and with the discharge gate sealing connection of second barrel tip, the section of thick bamboo belly of third barrel is seted up the unloading portion No. one near extrusion molding aircraft nose one end and is close to No. two unloading portions of gear box one end, the feeding portion be located unloading portion No. one with between the unloading portion No. two.
Optionally, the first blanking portion and the second blanking portion are respectively and vertically provided with a conveying pipeline, and the conveying pipeline is communicated with an inner cavity of the first machine barrel.
Optionally, the vertical distance between the first blanking portion and the feeding portion is greater than the vertical distance between the second blanking portion and the feeding portion.
Optionally, the third driving motor is a servo motor.
Optionally, the second heating module covers the outer wall of the third cylinder, the length of the second heating module is limited between the first blanking portion and the feeding portion, and a heating ring is arranged inside the second heating module.
Optionally, a pipeline sampling valve is arranged at one end of the discharge port of the second cylinder and used for sampling the completeness of the plasticizing process of the plastic particles in the second cylinder.
As can be seen from the above, one or more embodiments of the present disclosure provide an extrusion molding apparatus for cable production, which is specifically operated by: the device comprises a first machine barrel, a second machine barrel, a heating assembly, a first screw rod, a second screw rod, a third screw rod and a fourth screw rod, wherein the first screw rod is connected with the second machine barrel through a connecting pipe, the second screw rod is connected with the third machine barrel through a connecting pipe, the third screw rod is connected with the third machine barrel through a connecting pipe, the heating assembly is opened, preheating treatment is carried out on the device, plastic particles are poured from a feeding port of the second machine barrel after preheating is completed, the.
The pipeline sampling valve at the discharge port end of the second machine barrel can randomly inspect the plastic in a hot melting state; if the situation that plastic plasticization is insufficient does not occur, the third driving motor rotates in the forward direction, the plastic of viscous fluid enters the feeding portion through the flow path in the third machine barrel and flows out of the second discharging portion through the pushing of the third screw, and the distance between the feeding portion and the second discharging portion is short, so that the efficiency of enabling the plastic fluid to enter the first machine barrel is improved.
If the plastic is insufficiently plasticized, the third driving motor rotates reversely, the viscous fluid plastic enters the feeding portion in the path of the third cylinder and is pushed to the first blanking portion by the third screw to flow out, the second heating module works in the flowing process to perform secondary hot melting on the plastic which is not sufficiently plasticized in the cylinder, so that the plastic is further sufficiently plasticized, the distance from the feeding portion to the first blanking portion is long, and the time required by secondary hot melting of the plastic can be met; and due to the existence of the third screw, the plastic in the third cylinder cannot flow out of the two blanking parts at the same time.
The device separates the plasticizing stage of the plastic extruding machine as an independent working module, so that the plasticizing process is more controllable, the speed of the plasticizing process is not influenced by the plastic extruding speed any more, the plasticizing quality is improved, and the plastic can be ensured to be in a molten state completely; still be equipped with branch material subassembly in plastify subassembly below, can judge whether need secondary hot melt according to the degree of plastics plastify, improve production quality.
Drawings
In order to more clearly illustrate one or more embodiments or prior art solutions of the present specification, the drawings that are needed in the description of the embodiments or prior art will be briefly described below, and it is obvious that the drawings in the following description are only one or more embodiments of the present specification, and that other drawings may be obtained by those skilled in the art without inventive effort from these drawings.
FIG. 1 is a schematic view of the overall construction of an extrusion molding apparatus for cable production according to one or more embodiments of the present disclosure;
FIG. 2 is a schematic view of the overall construction of an extrusion assembly of an extrusion apparatus for cable production according to one or more embodiments of the present disclosure;
FIG. 3 is a schematic diagram of the general construction of the plasticizing component of an extrusion molding apparatus for cable production in accordance with one or more embodiments of the present disclosure;
FIG. 4 is a schematic view of the overall construction of a distribution assembly of an extrusion molding apparatus for cable production according to one or more embodiments of the present disclosure;
FIG. 5 is a schematic cross-sectional view of the stirrer of the extrusion molding apparatus for cable production according to one or more embodiments of the present disclosure;
figure 6 is a schematic view of the cut-away view at angle a-a in figure 5.
Detailed Description
To make the objects, technical solutions and advantages of the present disclosure more apparent, the present disclosure is further described in detail below with reference to specific embodiments.
It is to be noted that unless otherwise defined, technical or scientific terms used in one or more embodiments of the present specification should have the ordinary meaning as understood by those of ordinary skill in the art to which this disclosure belongs. The use of "first," "second," and similar terms in one or more embodiments of the specification is not intended to indicate any order, quantity, or importance, but rather is used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items. The terms "connected" or "coupled" and the like are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", and the like are used merely to indicate relative positional relationships, and when the absolute position of the object being described is changed, the relative positional relationships may also be changed accordingly.
As shown in fig. 1 to 6, as one embodiment of the present specification, an extrusion molding apparatus for cable production includes:
the base 1 is fixed on the ground, and the upper end of the base 1 is welded with a rack 110;
the extrusion molding component 2 is fixed on the base 1 through bolts and a mounting bracket, and is provided with a first cylinder 210 and a first screw 220 which are horizontally arranged, the first screw 220 is rotatably arranged in an inner cavity of the first cylinder 210, and the first screw 220 is in a cantilever state in the first cylinder 210.
The tail part of the first screw 220 penetrates through the end wall of the first cylinder 210 and extends to the outside, an extrusion head 240 and a gear box 230 are respectively fixedly arranged at two ends of the first cylinder 210, the extrusion head 240 is arranged close to the end of the first screw 220, and a die of the extrusion head 240 can be freely detached;
the gear box 230 is fixedly connected with the tail part of the first screw rod 220, the input end of the gear box 230 is in power connection with a first driving motor 250, the first driving motor 250 is externally connected with a power supply, and the rotating speed of the first screw rod 220 can be controlled through the gear box 230;
the plasticizing component 3 is fixedly arranged on the rack 110, the plasticizing component 1 comprises a second cylinder 310 arranged at the upper end of the rack 110 and a second screw 320 rotatably arranged in an inner cavity of the second cylinder 310, the tail part of the second screw 320 is in power connection with a second driving motor 330, and one side of the second cylinder 310 close to the tail part of the second screw 320 is provided with a feeding port 311; the other end is provided with a discharge port 312, the interior of the second cylinder 310 is mainly used as a hot melting cavity for plastic particles, and the process of changing the solid state of the plastic particles into the viscous state is processed;
the material distributing group 4 is fixedly arranged on the rack 110 and comprises a third cylinder 410 and a third screw 420, the side wall of the third cylinder 410 is respectively provided with a feeding part 440 communicated with the second cylinder 310 and a discharging part communicated with the first cylinder 210, the third screw 420 is rotatably arranged in an inner cavity of the third cylinder 410, and the tail part of the third screw 420 is in power connection with a third driving motor 430;
the heating assembly 5 is fixedly arranged on the rack 110 and comprises a first heating module 510 coated outside the second cylinder 310, a second heating module 520 coated outside the third cylinder 410, a temperature controller and a temperature sensor, wherein the temperature controller and the temperature sensor are electrically connected with the heating modules;
the third cylinder 410 is disposed above the first cylinder 210, the second cylinder 310 is disposed above the third cylinder 410, and the inner cavities of the first cylinder 210, the second cylinder 310, and the third cylinder 410 are all communicated.
Further, the second cylinder 310 is obliquely erected on the rack 110, the feeding port 311 is arranged at the raised end of the second cylinder 310, and the other end of the second cylinder 310 is provided with the discharging port 312, which is set to be an oblique angle to facilitate the flow of the plasticized plastic;
a cylindrical stirring cylinder 340 is fixedly arranged on the outer wall of the second cylinder 310, the central axis of the stirring cylinder 340 and the central axis of the second cylinder 310 are arranged in a collinear way, the inner cavity of the stirring cylinder 340 is communicated with the inner cavity of the second cylinder 310, and a stirrer 350 is fixedly sleeved on the outer wall of the second screw 320;
the stirrer 350 comprises two round fixing plates 351 arranged in parallel, a plurality of stirring rods 352 are vertically arranged on the opposite side walls of the two fixing plates 351, and two ends of each stirring rod 352 are fixedly connected with the fixing plates 351 at two ends through countersunk bolts. After getting into the agitator tank 340, the plastic granules receive the heating in the outside, and inside receives the stirring effect for the plastify process is heated more evenly, is equipped with puddler 352 and can makes plastics intensive mixing mix, reduces the production of the particulate matter of not fully plastify.
Further, the first heating module 510 covers the outer walls of the second barrel 310 and the stirring cylinder 340, and is provided with a heating ring inside.
The third cylinder 410 is horizontally arranged and has the same arrangement direction with the first cylinder 210, the feeding part 440 penetrates through the side wall of the third cylinder 410 and is hermetically connected with the discharge hole 312 at the end part of the second cylinder 310, the cylinder belly of the third cylinder 410 is provided with a first blanking part 451 close to one end of the extrusion molding head 240 and a second blanking part 452 close to one end of the gear box 230, and the feeding part 440 is positioned between the first blanking part 451 and the second blanking part 452.
The first blanking portion 451 and the second blanking portion 452 are vertically provided with a conveying pipeline respectively, and the conveying pipeline is communicated with an inner cavity of the first barrel 210.
The vertical distance between the first blanking portion 451 and the feeding portion 440 is greater than the vertical distance between the second blanking portion 452 and the feeding portion 440.
The third driving motor 430 is a servo motor.
The specific working method comprises the following steps: if the plasticizing process of the plastic in the second cylinder 310 is not sufficient enough, after the plastic flows into the third cylinder 410, the third driving motor 430 drives the third screw 420 to rotate in the reverse direction, so that the third screw 420 drives the plastic viscous fluid to further heat and melt in the third cylinder 410, and finally the plastic viscous fluid enters the first cylinder 210 from the first blanking part 451; the material distributing assembly can select the plastic outflow port according to the actual production situation in the process, and the condition that plastic particles are not uniformly plasticized can be treated in real time.
Further, the second heating module 520 covers the outer wall of the third cylinder 410, the length of the second heating module 520 is limited between the first blanking portion 451 and the feeding portion 440, and a heating ring is arranged inside the second heating module 520.
Further, in order to be able to perform real-time sampling inspection on the plastification of the plastic granules, a pipeline sampling valve 313 is disposed at one end of the second cylinder 310 where the discharge port is located, and is used for sampling the completeness of the plastification process of the plastic granules in the second cylinder 310.
In summary, the plasticizing stage of the plastic extruding machine is separated as an independent working module, so that the plasticizing process is more controllable, the speed of the plasticizing process is not influenced by the extrusion speed any more, the plasticizing quality is improved, and the plastic can be ensured to be completely in a molten state; still be equipped with branch material subassembly in plastify subassembly below, can judge whether need secondary hot melt according to the degree of plastics plastify, improve production quality.
Those of ordinary skill in the art will understand that: the discussion of any embodiment above is meant to be exemplary only, and is not intended to intimate that the scope of the disclosure, including the claims, is limited to these examples; within the spirit of the present disclosure, features from the above embodiments or from different embodiments may also be combined, steps may be implemented in any order, and there are many other variations of different aspects of one or more embodiments of the present description as described above, which are not provided in detail for the sake of brevity.
While the present disclosure has been described in conjunction with specific embodiments thereof, many alternatives, modifications, and variations of these embodiments will be apparent to those of ordinary skill in the art in light of the foregoing description.
It is intended that the one or more embodiments of the present specification embrace all such alternatives, modifications and variations as fall within the broad scope of the appended claims. Therefore, any omissions, modifications, substitutions, improvements, and the like that may be made without departing from the spirit and principles of one or more embodiments of the present disclosure are intended to be included within the scope of the present disclosure.

Claims (10)

1. An extrusion molding device for cable production, comprising:
a base, the upper end of which is provided with a frame;
the extrusion molding assembly is fixedly arranged on the base and provided with a first machine barrel and a first screw rod which are horizontally arranged, the first screw rod is rotatably arranged in an inner cavity of the first machine barrel, the tail part of the first screw rod penetrates through the end wall of the first machine barrel and extends to the outside, an extrusion molding machine head and a gear box are fixedly arranged at two ends of the first machine barrel respectively, the extrusion molding machine head is arranged close to the end head of the first screw rod, the gear box is fixedly connected with the tail part of the first screw rod, and the input end of the gear box is in power connection with a first driving motor;
the plasticizing component is fixedly arranged on the rack and comprises a second machine barrel arranged at the upper end of the rack and a second screw rod rotatably arranged in an inner cavity of the second machine barrel, the tail part of the second screw rod is in power connection with a second driving motor, and a feeding port is formed in one side, close to the tail part of the second screw rod, of the second machine barrel;
the material distributing assembly is fixedly arranged on the rack and comprises a third machine barrel and a third screw rod, a feeding part communicated with the second machine barrel and a discharging part communicated with the first machine barrel are respectively arranged on the side wall of the third machine barrel, the third screw rod is rotatably arranged in an inner cavity of the third machine barrel, and the tail part of the third screw rod is in power connection with a third driving motor;
the heating assembly is fixedly arranged on the rack and comprises a first heating module coated outside the second machine barrel, a second heating module coated outside the third machine barrel, a temperature controller electrically connected with the heating module and a temperature sensor;
the third cylinder is arranged above the first cylinder, the second cylinder is arranged above the third cylinder, and inner cavities of the first cylinder, the second cylinder and the third cylinder are all communicated.
2. An extrusion molding apparatus for cable production as claimed in claim 1, wherein: the second barrel is obliquely erected on the rack, the feeding port is formed in one end, lifted up, of the second barrel, the other end of the second barrel is provided with a discharging port, a cylindrical stirring cylinder is fixedly arranged on the outer wall of the second barrel, the central axis of the stirring cylinder is collinearly arranged with the central axis of the second barrel, an inner cavity of the stirring cylinder is communicated with the inner cavity of the second barrel, and a stirrer is fixedly sleeved on the outer wall of the second screw rod.
3. An extrusion molding apparatus for cable production as claimed in claim 2, wherein: the stirrer comprises two round fixing plates which are arranged in parallel, a plurality of stirring rods are vertically arranged on the opposite side walls of the two fixing plates, and the two ends of each stirring rod are fixedly connected with the fixing plates at the two ends respectively.
4. An extrusion molding apparatus for cable production as claimed in claim 2, wherein: the first heating module covers the outer walls of the second machine barrel and the stirring cylinder, and a heating ring is arranged inside the first heating module.
5. An extrusion molding apparatus for cable production as claimed in claim 2, wherein: the third barrel is horizontal, and is unanimous with the direction of putting of first barrel, this feeding portion run through in the lateral wall of third barrel, and with the discharge gate sealing connection of second barrel tip, the section of thick bamboo belly of third barrel is seted up the unloading portion No. one near extrusion molding aircraft nose one end and is close to No. two unloading portions of gear box one end, the feeding portion be located unloading portion No. one with between No. two unloading portions.
6. An extrusion molding apparatus for cable production as claimed in claim 5, wherein: and the first blanking part and the second blanking part are respectively and vertically provided with a conveying pipeline which is communicated with the inner cavity of the first machine barrel.
7. An extrusion molding apparatus for cable production as claimed in claim 6, wherein: the vertical distance between the first blanking part and the feeding part is greater than that between the second blanking part and the feeding part.
8. An extrusion molding apparatus for cable production as claimed in claim 5, wherein: the third driving motor is a servo motor.
9. An extrusion molding apparatus for cable production as claimed in claim 5, wherein: the second heating module covers the outer wall of the third cylinder, the length of the second heating module is limited between the first blanking part and the feeding part, and a heating ring is arranged inside the second heating module.
10. An extrusion molding apparatus for cable production as claimed in claim 1, wherein: and a pipeline sampling valve is arranged at one end of the discharge hole of the second cylinder and is used for sampling the completion degree of the plasticizing process of the plastic particles in the second cylinder.
CN202010751886.9A 2020-07-30 2020-07-30 Extrusion molding device for cable production Withdrawn CN112026139A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010751886.9A CN112026139A (en) 2020-07-30 2020-07-30 Extrusion molding device for cable production

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010751886.9A CN112026139A (en) 2020-07-30 2020-07-30 Extrusion molding device for cable production

Publications (1)

Publication Number Publication Date
CN112026139A true CN112026139A (en) 2020-12-04

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010751886.9A Withdrawn CN112026139A (en) 2020-07-30 2020-07-30 Extrusion molding device for cable production

Country Status (1)

Country Link
CN (1) CN112026139A (en)

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Application publication date: 20201204

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