CN112917862A - Multi-die head for double-line extrusion and extrusion method thereof - Google Patents
Multi-die head for double-line extrusion and extrusion method thereof Download PDFInfo
- Publication number
- CN112917862A CN112917862A CN201911237123.6A CN201911237123A CN112917862A CN 112917862 A CN112917862 A CN 112917862A CN 201911237123 A CN201911237123 A CN 201911237123A CN 112917862 A CN112917862 A CN 112917862A
- Authority
- CN
- China
- Prior art keywords
- die
- extrusion
- flow channel
- distribution system
- sizing material
- 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
Links
Images
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
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/154—Coating solid articles, i.e. non-hollow 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
- B29C48/30—Extrusion nozzles or dies
-
- 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
- B29C48/87—Cooling
Abstract
The invention discloses a multi-die head for double-line extrusion and an extrusion method thereof, wherein the multi-die head comprises: the extrusion screw is used for plasticizing the molten rubber compound and extruding the rubber compound to the rubber compound distribution system; a compound dispensing system coupled to the extrusion screw for controllably dispensing compound to the first flow channel and the second flow channel; the first flow channel is arranged on the machine head body, is communicated with the rubber material distribution system and is used for receiving the rubber material distributed by the rubber material distribution system; the second flow channel is arranged on the machine head body, is communicated with the rubber material distribution system and is used for receiving the rubber material distributed by the rubber material distribution system; the first die hole is communicated with the first flow channel and used for receiving the rubber material conveyed by the first flow channel and extruding the rubber material to the cable core; and the second die hole is communicated with the second flow channel and used for receiving the rubber material conveyed by the second flow channel and extruding the rubber material to the cable core. The invention improves the production efficiency of the extruder head.
Description
Technical Field
The invention relates to the technical field of cable extrusion, in particular to a multi-die head for double-line extrusion and an extrusion method thereof.
Background
The cable extrusion is a necessary process in the production process of the electric wire and the cable, and with the progress of engineering technology, the requirements of different engineering sites on the electric wire and the cable are increased, such as water resistance, static resistance and the like, and the requirements on the electric wire and the cable are large, so that the required working efficiency is further improved.
The extrusion machine head of the power cable in the prior art generally adopts the extrusion form of a single-specification single die, and each extrusion device is provided with one machine head and one set of die, so that only one specification can be extruded at one time.
This solution has the following drawbacks: 1) the occupied area is large; 2) the production efficiency is low; 3) the energy consumption is higher.
Therefore, the multi-die head for double-line extrusion and the extrusion method thereof are urgently needed to solve the technical problems of large occupied area of a production line, low production efficiency, high energy consumption and the like in the prior art.
Disclosure of Invention
The invention provides a multi-die head for double-line extrusion and an extrusion method thereof, aiming at solving the problems of large occupied area, low production efficiency, high energy consumption and the like of a production line in the prior art.
The technical scheme of the invention for solving the technical problems is as follows: the invention provides a multi-die head for twin-wire extrusion, comprising: the extrusion screw is used for plasticizing the molten rubber compound and extruding the rubber compound to the rubber compound distribution system; a compound dispensing system coupled to the extrusion screw for controllably dispensing compound to the first flow channel and the second flow channel; the first flow channel is arranged on the machine head body, is communicated with the rubber material distribution system and is used for receiving the rubber material distributed by the rubber material distribution system; the second flow channel is arranged on the machine head body, is communicated with the rubber material distribution system and is used for receiving the rubber material distributed by the rubber material distribution system; the first die hole is communicated with the first flow channel and used for receiving the rubber material conveyed by the first flow channel and extruding the rubber material to the cable core; and the second die hole is communicated with the second flow channel and used for receiving the rubber material conveyed by the second flow channel and extruding the rubber material to the cable core.
In the above multi-die head of the present invention, the multi-die head further includes: a cooling device for cooling the extrusion die; the cooling device comprises an air inlet, an air outlet and an annular ventilating duct connected with the air inlet and the air outlet, wherein the air inlet is communicated with the cooler and used for introducing cooling gas; the air outlet is over against the junction of the mold core of the extrusion mold, the first flow channel and the second flow channel; the annular ventilating pipeline is concentric with cylindrical surfaces formed by enclosing the outer walls of the first flow channel and the second flow channel.
In the above multi-die head of the invention, the sizing material distribution system is connected with the extrusion screw through a flange.
In the above multi-die head of the invention, the flange comprises a honeycomb plate and a filter screen, wherein the honeycomb plate is used for making the rubber material uniform; the filter screen is used for filtering and removing large-particle sizing materials, so that the particle size of the sizing materials is smaller.
In the above multi-die head of the present invention, the multi-die head further includes: the extrusion die comprises an extrusion die and a die fixing cover plate fixedly connected with the extrusion die, wherein the die fixing cover plate is fixedly connected with the machine head body.
In the above multi-die head of the present invention, the extrusion die includes: the first extrusion die comprises a die core and a die sleeve, the external contour of the die core is completely consistent with the internal contour of the die sleeve, and the die core is positioned inside the die sleeve and used for forming a first rubber channel and a second rubber channel which correspond to the first runner and the second runner respectively and allowing rubber to flow through.
In the above multi-die head of the invention, the die sleeve includes a large-diameter end and a small-diameter end, the large-diameter end and the small-diameter end are concentric cylinders, and the outer diameter of the small-diameter end is smaller than that of the large-diameter end; the small-diameter end is fixedly connected with the cable core.
In the above multi-die head of the invention, the die core comprises a front end and a rear end, the front end and the rear end are concentric cylinders, the outer diameter of the front end is larger than that of the rear end, the front end is provided with a thread, and the front end is connected with the die fixing cover plate through the thread.
In the above multi-die head of the present invention, the multi-die head further includes: and the sizing material sensor is arranged on the cable core, is in communication connection with the sizing material distribution system, and is used for monitoring the extrusion speed and the extrusion diameter of the sizing material in real time, transmitting the monitored data to the sizing material distribution system and allowing the sizing material distribution system to adjust the sizing material distribution.
The invention also provides a double-line extrusion method of the multi-die head, which is suitable for the multi-die head and comprises the following steps: step S1, allowing the rubber to enter a rubber distribution system through a honeycomb plate and a filter screen of a flange after plasticizing and melting of the rubber by an extrusion screw; step S2, the glue distribution system controllably distributes glue to the first flow passage and the second flow passage; and S3, extruding the first flow channel and the second flow channel to the cable core through the first extrusion die and the second extrusion die respectively.
The technical scheme provided by the embodiment of the invention has the following beneficial effects: the invention provides a multi-die head for double-line extrusion and an extrusion method thereof, aiming at the technical problems of large occupied area of a production line, low production efficiency, high energy consumption and the like in the prior art, and by designing double flow channels, the purpose that the same head can extrude products with two specifications at the same time is realized, and the production efficiency is doubled; in addition, the rubber materials of the two extrusion dies are distributed through a rubber material distribution system, and feedback data are monitored in real time through a rubber material sensor, so that intelligent distribution is realized, and the automation degree of the multi-die machine head is improved; meanwhile, a cooling device is arranged on the machine head, so that the die is convenient to replace and the machine head is convenient to clean.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a multi-die head for twin-wire extrusion according to an embodiment of the present invention;
FIG. 2 is a left side view of a configuration of a multi-die head for twin-strand extrusion according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a cooling device for a multi-die head for twin-wire extrusion according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a die sleeve structure of a multi-die head for twin-wire extrusion according to an embodiment of the present invention;
FIG. 5 is a schematic view of a core structure of a multi-die head for twin-wire extrusion according to an embodiment of the present invention;
FIG. 6 is a flow chart of a multi-die head extrusion method according to a second embodiment of the present invention.
Detailed Description
In order to solve the technical problems of large occupied area of a production line, low production efficiency, high energy consumption and the like in the prior art, the invention aims to provide a multi-die head for double-line extrusion and an extrusion method thereof, and the core idea is as follows: by designing double flow channels, the same machine head can extrude products with two specifications at the same time, and the production efficiency is doubled; in addition, the rubber materials of the two extrusion dies are distributed through a rubber material distribution system, and feedback data are monitored in real time through a rubber material sensor, so that intelligent distribution is realized, and the automation degree of the multi-die machine head is improved; meanwhile, a cooling device is arranged on the machine head, so that the die is convenient to replace and the machine head is convenient to clean.
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in detail with reference to the accompanying drawings.
Example one
The present invention provides a multi-die head for twin-strand extrusion, as shown in fig. 1, comprising:
the extrusion screw 1 is used for plasticizing the molten rubber compound and extruding the rubber compound to the rubber compound distribution system 2; the rubber material is plasticized and melted in the extrusion screw 1, so that the extrusion of a multi-die machine head is facilitated;
a compound dispensing system 2 connected to the extrusion screw 1 for controllably dispensing compound to the first flow path 3 and the second flow path 4; the glue is distributed by the glue distribution system 2, so that the production efficiency of glue extrusion can be improved;
the first runner 3 is arranged on the machine head body 5, is communicated with the rubber distribution system 2 and is used for receiving rubber distributed by the rubber distribution system 2; the second flow channel 4 is arranged on the machine head body 5, is communicated with the sizing material distribution system 2 and is used for receiving the sizing material distributed by the sizing material distribution system 2; the first flow channel 3 is positioned above the second flow channel 4, the first flow channel 3 and the second flow channel 4 both comprise parallel sections and vertical sections, the parallel sections of the first flow channel 3 are parallel to the parallel sections of the second flow channel 4, and the vertical sections of the first flow channel 3 and the vertical sections of the second flow channel 4 are just opposite; by arranging a first flow channel 3 and a second flow channel 4 which are parallel to each other;
the first die hole 6 is communicated with the first flow channel 3 and used for receiving the rubber material conveyed by the first flow channel 3 and extruding the rubber material to the cable core;
and the second die hole 7 is communicated with the second flow channel 4 and is used for receiving the rubber material conveyed by the second flow channel 4 and extruding the rubber material to the cable core. Wherein the first die hole 6 is located above the second die hole 7 and the first die hole 6 is located parallel to the second die hole 7. The invention utilizes the same machine head to extrude two specifications of products simultaneously, thereby improving the production efficiency by one time.
Further, it can also be seen from fig. 1 that: the multi-die handpiece further includes:
and the die fixing cover plate 9 is fixedly connected with the machine head body 5. Preferably, the die fixing cover plate 9 and the nose body 5 are fixedly connected through a plurality of bolts, specifically, a plurality of threaded holes are formed in the die fixing cover plate 9, and the die fixing cover plate 9 and the nose body 5 can be fixedly connected through a plurality of corresponding threaded holes by the bolts.
Further, the size distribution system 2 is connected to the extrusion screw 1 via a flange 10. Specifically, the method comprises the following steps: the flange 10 comprises a honeycomb board 101 and a filter screen 102, wherein the honeycomb board 101 is used for enabling the sizing material to be uniform; the filter screen 102 is used for filtering large-particle size, so that the size is smaller in particle size. Thereby realizing the technical effect of reducing the energy consumption of the multi-die machine head.
Further, it can also be seen from fig. 1 that: the multi-die handpiece further includes: and a cooling device 11 for cooling the first flow passage 3 and the second flow passage 4.
Further, as shown in fig. 2, the diameter of the die fixing cover plate 9 is smaller than that of the head body 5, and the first die holes 6 and the second die holes 7 are symmetrically distributed on both sides of the central axis of the head body 5.
Further, as shown in fig. 3, the cooling device 11 includes an air inlet 111, a plurality of air outlets 112, and an annular ventilation duct 113 connecting the air inlet 111 and the air outlets 112, wherein the air inlet 111 is communicated with the cooling machine for introducing cooling air; the air outlets 112 are opposite to the first flow passage 3 and the second flow passage 4; the annular ventilation duct 113 is concentric with the cylindrical surface enclosed by the outer walls of the first flow path 3 and the second flow path 4. Specifically, the method comprises the following steps: the air outlets 112 are communicated with the annular ventilation duct 113, and the air outlets 11 are uniformly distributed along the circumferential direction of the annular ventilation duct 113, and in one embodiment of the present invention, the number of the air outlets 112 is 6. The first flow channel 3 and the second flow channel 4 are cooled through the plurality of air outlets 112, the forming speed of rubber materials can be improved, the production efficiency is further improved, and the extrusion die 8 can be conveniently replaced and the multi-die machine head can be conveniently cleaned through the plurality of air outlets 112.
Further, the multi-die head further includes an extrusion die (not shown) connected to the die fixing cover plate 9, wherein the extrusion die includes: a first extrusion die and a second extrusion die corresponding to the first die hole 6 and the second die hole 7, respectively, wherein, as shown in fig. 4, the first extrusion die includes a die core 811 and a die sleeve 812, specifically, the die sleeve 812 includes a large diameter end 8121 and a small diameter end 8122, wherein the large diameter end 8121 and the small diameter end 8122 are concentric cylinders, and the outer diameter of the small diameter end 8122 is smaller than that of the large diameter end 8121; the small-diameter end 8122 is fixedly connected with the cable core.
Specifically, as shown in fig. 5, the mold core 811 includes a front end 8111 and a rear end 8112, the front end 8111 and the rear end 8112 are concentric cylinders, an outer diameter of the front end 8111 is larger than an outer diameter of the rear end 18112, the front end 8111 is provided with a thread, and the front end 8111 is connected with the mold fixing cover plate 9 through the thread.
It should be noted that: the outer contour of the mold core 811 is completely consistent with the inner contour of the mold sleeve 812, and the mold core 811 is located inside the mold sleeve 812 and is used for forming a first rubber channel and a second rubber channel corresponding to the first flow channel 3 and the second flow channel 2 respectively for rubber to flow through. The glue can get the cable core through the first glue channel and the second glue channel.
Further, the multi-die handpiece further comprises: and the sizing material sensor arranged on the cable core is in communication connection with the sizing material distribution system 2 and is used for monitoring the extrusion speed and the extrusion diameter of the sizing material in real time, transmitting the monitored data to the sizing material distribution system 2 and allowing the sizing material distribution system 2 to adjust the sizing material distribution. The glue distribution between the two dies is controlled by the glue distribution system 2, and the feedback data of the system can be monitored on line; the amount and the distribution amount of the sizing agent can be adjusted in time, the energy consumption of the multi-die machine head is further reduced, and the production efficiency is improved.
Example two
The invention provides a twin-line extrusion method of a multi-die head, which is suitable for the multi-die head in the first embodiment, and as shown in fig. 6, the twin-line extrusion method comprises the following steps:
step S1, plastifying and melting the rubber compound through the extrusion screw 1, and then enabling the rubber compound to enter the rubber compound distribution system 2 through the honeycomb plate 101 and the filter screen 102 of the flange 10; the honeycomb board 101 is used to homogenize the sizing material; the filter screen 102 is used for filtering large-particle size, so that the size is smaller in particle size. Thereby realizing the technical effect of reducing the energy consumption of the multi-die machine head.
Step S2, glue dispensing system 2 controllably dispenses glue into first flow path 3 and second flow path 4; the glue is distributed by the glue distribution system 2, so that the production efficiency of glue extrusion can be improved;
step S3, extruding the first flow channel 3 and the second flow channel 4 through the first extrusion die 81 and the second extrusion die, respectively, onto the cable core. The first flow channel 3 is positioned above the second flow channel 4, the first flow channel 3 and the second flow channel 4 both comprise parallel sections and vertical sections, the parallel sections of the first flow channel 3 are parallel to the parallel sections of the second flow channel 4, and the vertical sections of the first flow channel 3 and the vertical sections of the second flow channel 4 are just opposite; by arranging the first flow channel 3 and the second flow channel 4 which are parallel to each other, the occupied area of the multi-die machine head can be saved.
It should be noted that: the multi-die machine head further comprises a sizing material sensor arranged on the cable core, the sizing material sensor is in communication connection with the sizing material distribution system 2 and used for monitoring the extrusion speed and the extrusion diameter of the sizing material in real time, monitored data are transmitted to the sizing material distribution system 2, and the sizing material distribution system 2 adjusts the distribution of the sizing material. The glue distribution between the two dies is controlled by the glue distribution system 2, and the feedback data of the system can be monitored on line; the amount and the distribution amount of the sizing agent can be adjusted in time, the energy consumption of the multi-die machine head is further reduced, and the production efficiency is improved.
The invention provides a multi-die machine head for double-line extrusion and an extrusion method thereof, which can realize that the same machine head can extrude products with two specifications at the same time by designing double flow channels, thereby improving the production efficiency by one time; in addition, the rubber materials of the two extrusion dies are distributed through a rubber material distribution system, and feedback data are monitored in real time through a rubber material sensor, so that intelligent distribution is realized, and the automation degree of the multi-die machine head is improved; meanwhile, a cooling device is arranged on the machine head, so that the die is convenient to replace and the machine head is convenient to clean.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A multi-die head for twin-strand extrusion, comprising:
an extrusion screw (1) for plasticizing the molten compound and extruding the compound to a compound distribution system (2);
a glue distribution system (2) connected to the extrusion screw (1) for controllably distributing glue to the first flow channel (3) and the second flow channel (4);
the first flow channel (3) is arranged on the machine head body (5), is communicated with the sizing material distribution system (2) and is used for receiving the sizing material distributed by the sizing material distribution system (2);
the second flow channel (4) is arranged on the machine head body (5), is communicated with the sizing material distribution system (2) and is used for receiving the sizing material distributed by the sizing material distribution system (2);
the first die hole (6) is communicated with the first flow channel (3) and is used for receiving the rubber material conveyed by the first flow channel (3) and extruding the rubber material to the cable core;
and the second die hole (7) is communicated with the second flow channel (4) and is used for receiving the rubber material conveyed by the second flow channel (4) and extruding the rubber material to the cable core.
2. The multi-die handpiece of claim 1, further comprising:
a cooling device (11) for cooling the extrusion die; the cooling device (11) comprises an air inlet (111), a plurality of air outlets (112) and an annular ventilating duct (113) which is connected with the air inlet (111) and the air outlets (112), wherein the air inlet (111) is communicated with a cooling machine and is used for introducing cooling air; the air outlet (112) is over against the junction of the mold core (811), the first flow channel (3) and the second flow channel (4) of the extrusion mold; the annular ventilating pipeline (113) is concentric with a cylindrical surface enclosed by the outer walls of the first flow channel (3) and the second flow channel (4).
3. Multimode head according to claim 2, characterized in that said glue distribution system (2) is connected to said extrusion screw (1) by means of a flange (10).
4. Multimode handpiece according to claim 3, characterized in that said flange (10) comprises a honeycomb plate (101) and a filter screen (102), said honeycomb plate (101) being used to homogenize the sizing material; the filter screen (102) is used for filtering large-particle size, so that the particle size of the size is smaller.
5. The multi-die handpiece of claim 4, further comprising:
the extrusion die comprises an extrusion die and a die fixing cover plate (9) fixedly connected with the extrusion die, wherein the die fixing cover plate (9) is fixedly connected with the machine head body (5).
6. The multi-die head according to claim 5, wherein said extrusion die comprises:
the first extrusion die and the second extrusion die respectively correspond to the first die hole (6) and the second die hole (7), the first extrusion die comprises a die core (811) and a die sleeve (812), the external contour of the die core (811) is completely consistent with the internal contour of the die sleeve (812), and the die core (811) is positioned inside the die sleeve (812) and used for forming a first rubber channel and a second rubber channel respectively corresponding to the first runner (3) and the second runner (4) and allowing rubber to flow through.
7. The multiple die head as in claim 6, wherein said die sleeve (812) comprises a major diameter end (8121) and a minor diameter end (8122), said major diameter end (8121) and minor diameter end (8122) being concentric cylinders, and the minor diameter end (8122) having an outer diameter smaller than the major diameter end (8121); and the small-diameter end (8122) is fixedly connected with the cable core.
8. The multiple die head as claimed in claim 7, characterized in that said die core (811) comprises a front end (8111) and a rear end (8112), said front end (8111) and rear end (8112) being concentric cylinders, and the outer diameter of the front end (8111) being greater than the outer diameter of the rear end (8112), said front end (8111) being provided with a thread, said front end (8111) being connected to said die holding cover plate (9) by means of a thread.
9. The multi-die handpiece of claim 8, further comprising: and the sizing material sensor is arranged on the cable core, is in communication connection with the sizing material distribution system (2), and is used for monitoring the extrusion speed and the extrusion diameter of the sizing material in real time, transmitting the monitored data to the sizing material distribution system (2) and allowing the sizing material distribution system (2) to adjust the sizing material distribution.
10. A twin-wire extrusion method of a multi-die head, which is applied to the multi-die head as claimed in claim 9, comprising:
step S1, plastifying and melting the rubber compound through an extrusion screw (1), and enabling the rubber compound to enter a rubber compound distribution system (2) through a honeycomb plate (101) and a filter screen (102) of a flange (10);
step S2, the sizing material distribution system (2) controllably distributes the sizing material to the first flow passage (3) and the second flow passage (4);
and S3, extruding the first flow channel (3) and the second flow channel (4) to the cable core through a first extrusion die (81) and a second extrusion die respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237123.6A CN112917862A (en) | 2019-12-05 | 2019-12-05 | Multi-die head for double-line extrusion and extrusion method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911237123.6A CN112917862A (en) | 2019-12-05 | 2019-12-05 | Multi-die head for double-line extrusion and extrusion method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112917862A true CN112917862A (en) | 2021-06-08 |
Family
ID=76161108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911237123.6A Pending CN112917862A (en) | 2019-12-05 | 2019-12-05 | Multi-die head for double-line extrusion and extrusion method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112917862A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107292A (en) * | 2022-06-22 | 2022-09-27 | 马鞍山宏力橡胶制品有限公司 | Production device and production process for double-density rubber sealing ring embedded with metal teeth |
-
2019
- 2019-12-05 CN CN201911237123.6A patent/CN112917862A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115107292A (en) * | 2022-06-22 | 2022-09-27 | 马鞍山宏力橡胶制品有限公司 | Production device and production process for double-density rubber sealing ring embedded with metal teeth |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108819227B (en) | Multi-material-opening pneumatic type 3D granular material printing spray head device | |
| CN112917862A (en) | Multi-die head for double-line extrusion and extrusion method thereof | |
| CN211730138U (en) | Multi-die machine head for double-line extrusion | |
| CN104088025A (en) | Spinning device and method for melt-spun spandex | |
| CN111055468A (en) | Extrusion die with deflection shunting holes for plastic extruder | |
| CN102310546A (en) | Vacuum fixing unit in one-for-eight plastic pipe production equipment | |
| CN111037879B (en) | Extrusion molding die and extrusion molding process for dissimilar material composite sheath | |
| CN102039658B (en) | Integral extruding machine and molding process thereof | |
| CN204793071U (en) | Change into machine module of colding pressing and parallelly connected water cooling plant thereof | |
| CN210026197U (en) | Extruder for producing modified pipeline | |
| CN201235604Y (en) | High speed sizing apparatus for plastic tube | |
| CN208841789U (en) | A kind of plastic granulator extrusion composite energy-saving tuber | |
| CN211591219U (en) | Forming die for plastic pipe production | |
| CN110552075A (en) | Spinning production line adopting heat conduction oil and use method thereof | |
| CN220280453U (en) | Cooling line and regenerated polyester bottle chip recovery device with same | |
| CN219339087U (en) | Chinese character 'tian' shaped flower stirring die structure with flower patterns | |
| CN208930668U (en) | Cable jacket high-performance extruder | |
| CN218241446U (en) | Cable mineral substance insulating layer uniform extruder | |
| CN211730137U (en) | Extrusion device for cable double-line extrusion | |
| CN201592507U (en) | Multi-machine head production die of plastic pipes | |
| CN211591209U (en) | Single-mode multi-hole machine head for double-line extrusion | |
| CN219133242U (en) | Melt extrusion device for granular materials | |
| CN213035136U (en) | Injection molding machine of terminal surface feeding | |
| CN213500752U (en) | Novel aircraft nose structure for double screw extruder | |
| CN216100329U (en) | Single screw extruder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |