CN222495338U - A two-stage extruder for the production of polyolefin cable materials - Google Patents
A two-stage extruder for the production of polyolefin cable materials Download PDFInfo
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- CN222495338U CN222495338U CN202421227750.8U CN202421227750U CN222495338U CN 222495338 U CN222495338 U CN 222495338U CN 202421227750 U CN202421227750 U CN 202421227750U CN 222495338 U CN222495338 U CN 222495338U
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Abstract
本实用新型公开了一种用于聚烯烃电缆料生产的双阶式挤出机，涉及电缆料生产技术领域，包括底板，底板的顶部安装有支撑座，支撑座的顶部安装有一阶加工筒，一阶加工筒的内腔通过轴承连接有双螺杆，一阶加工筒的右侧设置有驱动组件，驱动组件的左端与双螺杆的右端连接，一阶加工筒顶部的右端连接有进料管，进料管的顶部安装有进料筒，进料筒内腔的顶部安装有框体，框体的内腔安装有过滤网，框体与进料筒之间设置有连接组件。本实用新型通过进料筒、过滤网和框体的配合设置，这样可以通过过滤网对原料进行过滤，把原料中的杂质阻挡在外，同时通过连接组件的设置，还方便对过滤网和框体进行更换，尽量避免长期使用出现堵塞的情况。
The utility model discloses a double-stage extruder for the production of polyolefin cable materials, which relates to the technical field of cable material production, including a bottom plate, a support seat installed on the top of the bottom plate, a first-stage processing cylinder installed on the top of the support seat, the inner cavity of the first-stage processing cylinder is connected with a twin screw through a bearing, a driving assembly is arranged on the right side of the first-stage processing cylinder, the left end of the driving assembly is connected with the right end of the twin screw, a feed pipe is connected to the right end of the top of the first-stage processing cylinder, a feed barrel is installed on the top of the feed pipe, a frame is installed on the top of the inner cavity of the feed barrel, a filter screen is installed on the inner cavity of the frame, and a connecting assembly is arranged between the frame and the feed barrel. The utility model is provided with a matching arrangement of the feed barrel, the filter screen and the frame, so that the raw materials can be filtered through the filter screen to block impurities in the raw materials, and at the same time, through the arrangement of the connecting assembly, it is also convenient to replace the filter screen and the frame, and try to avoid clogging in long-term use.
Description
Technical Field
The utility model relates to the technical field of cable material production, in particular to a double-stage extruder for polyolefin cable material production.
Background
In recent years, along with the development of cable flame-retardant technology and the enhancement of understanding of fire accidents of wires and cables, the requirements on cable flame retardance are higher and higher, traditional flame-retardant cable materials can be roughly divided into three main types, namely flame-retardant PVC cable materials, flame-retardant polyolefin cable materials and flame-retardant rubber cable materials, wherein the PVC cable materials are low in temperature resistance level, large in smoke generation amount during combustion and capable of generating more acidic toxic gases, so that the use of the PVC cable materials is limited, the processing technology of the flame-retardant rubber cable materials is complicated, the mechanical performance of the flame-retardant rubber cable materials is poor, the flame-retardant polyolefin cable materials are widely used based on the factors, and the polyolefin cable materials are generally prepared by extrusion molding of plastic master batches through an extruder.
The utility model discloses a double-stage extrusion device for producing environment-friendly cable materials, which comprises a double-screw extruder and a single-screw extruder, wherein the double-screw extruder and the single-screw extruder are connected through a bending pipe, an included angle formed by the extending direction of the double-screw extruder and the extending direction of the single-screw extruder is alpha, the double-screw extruder and the single-screw extruder are connected through a bending pipe, the bending position of the bending pipe is in arc transition, the bending angle of the bending pipe is beta, alpha and beta are consistent and is 45-60, a heating chamber and a cooling chamber are sequentially arranged outside a single-screw extrusion shell and a double-screw extrusion shell, a temperature sensor is arranged in the cooling chamber, and a plurality of uniformly distributed heating pipes are arranged in the heating chamber.
Disclosure of utility model
In order to solve the problem that the existing extruder cannot filter raw materials, impurities in the raw materials enter the inside of the extruder, and further the quality of a cable finished product is reduced, the utility model provides a double-stage extruder for polyolefin cable material production.
The utility model provides a double-stage extruder for polyolefin cable material production, which adopts the following technical scheme:
The utility model provides a double-order formula extruder for polyolefin cable material production, includes the bottom plate, the supporting seat is installed at the top of bottom plate, first order processing section of thick bamboo is installed at the top of supporting seat, the inner chamber of first order processing section of thick bamboo is connected with the twin-screw through the bearing, the right side of first order processing section of thick bamboo is provided with drive assembly, drive assembly's left end with the right-hand member of twin-screw is connected, the right-hand member at first order processing section of thick bamboo top is connected with the inlet pipe, the feed cylinder is installed at the top of inlet pipe, the framework is installed at the top of feed cylinder inner chamber, the filter screen is installed to the inner chamber of framework, the framework with be provided with coupling assembling between the feed cylinder, the mount pad is installed at the left end at bottom of bottom plate top, the second order processing section of thick bamboo top with the left end of first order processing section of thick bamboo is connected with row's material pipe, the inner chamber of second order processing section of thick bamboo is connected with single screw through the bearing, the outside of second order processing section of thick bamboo is installed and is used for driving single screw pivoted step motor, the outside of step motor is kept away from the processing section of thick bamboo one end.
Through adopting above-mentioned technical scheme, add the raw materials to the inside of feed cylinder, when the raw materials is through the filter screen, can filter the raw materials, impurity in the raw materials blocks outside, the raw materials gets into the inner chamber of first order processing section of thick bamboo afterwards, drive twin-screw rotation through drive assembly, the raw materials carries out uninterrupted mixing and extrudees right in the inside of first order processing section of thick bamboo, then discharge the inner chamber of second order processing section of thick bamboo through discharging pipe, start step motor at this moment, step motor during operation drives single screw rotation, finally make the raw materials discharge through the discharging pipe, when impurity pile up more above the filter screen, conveniently take out filter screen and framework from the inner chamber of feed cylinder through coupling assembling and clear up or change, avoid the condition that the jam appears in long-time use as far as possible, the practicality of extruder has been improved.
Optionally, the drive assembly includes the casing, the casing is installed the right side of first order processing section of thick bamboo, driving motor is installed to the right side wall of casing inner chamber, driving shaft is installed to driving motor's power take off end, the outer wall of driving shaft has cup jointed driving pulley, the casing inner chamber is kept away from the one end of driving shaft is connected with the driven shaft through the bearing, driven pulley has been cup jointed to the outer wall of driven shaft, driven pulley with driving pulley is provided with connecting belt outward, driven shaft with the left end of driving shaft respectively with the right-hand member fixed connection of twin-screw.
Through adopting above-mentioned technical scheme, driving motor during operation drives driving pulley through the driving shaft and rotates, and driving pulley rotates and drives driven pulley through connecting belt and rotate, and driven pulley rotates and drives the driven shaft and rotate, and then can drive double screw and rotate the raw materials misce bene.
Optionally, the stock guide is all installed to both ends of feed cylinder inner chamber bottom in the slope, two sets of lower ends of stock guide all with inlet pipe fixed connection.
Through adopting above-mentioned technical scheme, guide the raw materials through the stock guide for the inner chamber of first order processing section of thick bamboo can be got into fast to the raw materials.
Optionally, the coupling assembling includes two sets of lugs, two sets of the lug is installed respectively the both ends of framework bottom, the both sides of feed cylinder inner chamber all install with lug grafting complex recess body.
Through adopting above-mentioned technical scheme, when need dismantle the framework, the frame that pulls up drives the lug and upwards moves, until the lug separates with the recess body can.
Optionally, both ends at the top of the frame body are connected with pull rods.
By adopting the technical scheme, the frame body can be pulled to move upwards by a worker holding the pull rod conveniently.
Optionally, a bolt is screwed between the discharging pipe and the second-order processing barrel.
Through adopting above-mentioned technical scheme, conveniently dismantle and change the discharging pipe through the bolt.
Optionally, the twin-screw is a high-speed homodromous parallel twin-screw, the single-screw is a low-speed single-screw, and the first-order processing cylinder and the second-order processing cylinder are vertically and orthogonally arranged.
Through adopting above-mentioned technical scheme, the twin-screw is through high-speed operation in order to obtain better mixing, and the single screw can avoid the phenomenon of overstreshing through low-speed operation, effectively improves the processing effect of extruder.
In summary, the present utility model includes at least one of the following beneficial effects:
(1) Through the cooperation setting of feed cylinder, filter screen and framework, can filter the raw materials through the filter screen like this, block outside impurity in the raw materials, simultaneously through coupling assembling's setting, still conveniently change filter screen and framework, avoid long-term use to appear the condition of jam as far as possible.
(2) Through the cooperation setting of first order processing section of thick bamboo, twin-screw and drive assembly, the twin-screw is through high-speed operation in order to obtain better mixing, through the cooperation setting of second order processing section of thick bamboo, single screw and step motor, the single screw can avoid the phenomenon of overstreshing through low-speed operation, effectively improves the processing effect of extruder.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic cross-sectional view of the present utility model;
FIG. 2 is a schematic top view of the present utility model;
FIG. 3 is a schematic view of the structure of FIG. 1A according to the present utility model;
fig. 4 is a schematic diagram of the structure B in fig. 1 according to the present utility model.
1, A first-order processing cylinder; 2, double screw rods, 3, a supporting seat, 4, a discharging pipe, 5, a second-order processing cylinder, 6, a single screw rod, 7, a mounting seat, 8, a bottom plate, 9, a driving component, 901, a driven belt wheel, 902, a driven shaft, 903, a shell, 904, a connecting belt, 905, a driving belt wheel, 906, a driving shaft, 907, a driving motor, 10, a feeding pipe, 11, a material guide plate, 12, a feeding cylinder, 13, a discharging pipe, 14, a bolt, 15, a stepping motor, 16, a filter screen, 17, a frame body, 18, a pull rod, 19, a connecting component, 1901, a convex block, 1902 and a groove body.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-4.
Referring to fig. 1 and 3 of the drawings, in an embodiment of the present utility model, a dual-stage extruder for producing polyolefin cable materials includes a bottom plate 8, a supporting seat 3 is installed at the top of the bottom plate 8, a first-stage processing cylinder 1 is fixedly installed at the top of the supporting seat 3, an inner cavity of the first-stage processing cylinder 1 is rotatably connected with a twin screw 2 through a bearing, a driving component 9 is disposed on the right side of the first-stage processing cylinder 1, a left end of the driving component 9 is connected with the right end of the twin screw 2, the driving component 9 includes a housing 903, a driving motor 907 is installed on the right side of the first-stage processing cylinder 1, a driving shaft 906 is installed at a power output end of the driving motor 907, a driving pulley 905 is sleeved on an outer wall of the driving shaft 906, one end of the driving shaft 906 far from the inner cavity of the housing is rotatably connected with a driven pulley 902 through a bearing, a driven pulley 901 is sleeved on an outer wall of the driven shaft 902, a connecting belt 904 is externally arranged on the driven pulley 901 and the driving pulley 905, and the left ends of the driven shaft 902 and the driving shaft 906 are fixedly connected with the right end of the twin screw 2 respectively. When the driving motor 907 works, the driving belt pulley 905 is driven to rotate through the driving shaft 906, the driving belt pulley 905 rotates to drive the driven belt pulley 901 to rotate through the connecting belt 904, the driven belt pulley 901 rotates to drive the driven shaft 902 to rotate, and then the double screw 2 can be driven to rotate to uniformly mix raw materials.
Referring to fig. 1 of the drawings, a feed pipe 10 is fixedly connected to the right end of the top of a first-stage processing cylinder 1, a feed cylinder 12 is fixedly mounted on the top of the feed pipe 10, guide plates 11 are obliquely mounted at two ends of the bottom of an inner cavity of the feed cylinder 12, and lower ends of the two groups of guide plates 11 are fixedly connected with the feed pipe 10. The raw materials are guided by the guide plate 11, so that the raw materials can quickly enter the inner cavity of the first-order processing cylinder 1.
Referring to fig. 1 and 4 of the drawings, a frame 17 is installed at the top of an inner cavity of a feeding barrel 12, a filter screen 16 is installed in the inner cavity of the frame 17, a connecting assembly 19 is arranged between the frame 17 and the feeding barrel 12, the connecting assembly 19 comprises two groups of protruding blocks 1901, the two groups of protruding blocks 1901 are respectively and fixedly installed at two ends of the bottom of the frame 17, and groove bodies 1902 in plug-in fit with the protruding blocks 1901 are installed at two sides of the inner cavity of the feeding barrel 12. When the frame 17 needs to be disassembled, the frame 17 is pulled up, and the frame 17 drives the protruding block 1901 to move upwards until the protruding block 1901 is separated from the groove 1902. Both ends at the top of the frame 17 are connected with pull rods 18. The frame 17 is pulled to move upwards by a worker holding the pull rod 18.
Referring to fig. 1 and 2 in the drawings of the specification, a mounting seat 7 is fixedly arranged at the left end of the top of a bottom plate 8, a second-order processing cylinder 5 is arranged at the top of the mounting seat 7, a discharge pipe 4 is connected at the top of the second-order processing cylinder 5 and the left end of the bottom of the first-order processing cylinder 1, a single screw 6 is rotatably connected to the inner cavity of the second-order processing cylinder 5 through a bearing, the double screws 2 are high-speed equidirectional parallel double screws, the single screw 6 is a low-speed single screw, and the first-order processing cylinder 1 and the second-order processing cylinder 5 are vertically and orthogonally arranged. The twin-screw 2 is operated at a high speed to obtain better mixing, and the single-screw 6 is operated at a low speed to avoid the phenomenon of over-shearing force, so that the processing effect of the extruder is effectively improved.
Referring to fig. 1 and 2 in the drawings, a stepping motor 15 for driving the single screw 6 to rotate is mounted on the outer side of the second-order processing cylinder 5, a discharging pipe 13 is mounted on one end, far away from the stepping motor 15, of the outer side of the second-order processing cylinder 5, and a bolt 14 is screwed between the discharging pipe 13 and the second-order processing cylinder 5. The discharging pipe 13 is convenient to detach and replace through the bolts 14.
When the extruder is used, a power supply is externally connected, raw materials are added into the feeding cylinder 12, when the raw materials pass through the filter screen 16, the raw materials can be filtered, impurities in the raw materials are blocked outside, then the raw materials enter the inner cavity of the first-order processing cylinder 1 through the feeding pipe 10 under the guidance of the guide plate 11, a driving motor 907 is started at the moment, the driving motor 907 drives a driving pulley 905 to rotate through a driving shaft 906 during working, the driving pulley 905 rotates to drive a driven pulley 901 to rotate through a connecting belt 904, the driven pulley 901 rotates to drive the driven shaft 902 to rotate, further, the double-screw 2 can be driven to rotate, the raw materials are continuously mixed and extruded right in the first-order processing cylinder 1, then the raw materials are discharged into the inner cavity of the second-order processing cylinder 5 through the discharging pipe 4, a stepping motor 15 is started at the moment, the stepping motor 15 drives a single-screw 6 to rotate during working, finally the raw materials are discharged through the discharging pipe 13, the double-screw 2 is operated at a high speed to obtain better mixing, and the single-screw 6 can avoid the phenomenon of over-shearing force through low-speed operation, and the processing effect of the extruder is effectively improved.
When more impurities above the filter screen 16 are accumulated, the staff pulls the pull rod 18 upwards, the pull rod 18 moves upwards to drive the frame 17 to move upwards, the frame 17 moves upwards to drive the lug 1901 to move upwards until the lug 1901 is separated from the groove 1902, and then the filter screen 16 and the frame 17 are conveniently taken out from the inner cavity of the feed cylinder 12 and cleaned or replaced, so that the situation of blockage caused by long-time use is avoided as much as possible, and the practicability of the extruder is improved.
The above embodiments are not intended to limit the scope of the utility model, so that the equivalent changes of the structure, shape and principle of the utility model are covered by the scope of the utility model.
Claims (7)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421227750.8U CN222495338U (en) | 2024-05-31 | 2024-05-31 | A two-stage extruder for the production of polyolefin cable materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421227750.8U CN222495338U (en) | 2024-05-31 | 2024-05-31 | A two-stage extruder for the production of polyolefin cable materials |
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| Publication Number | Publication Date |
|---|---|
| CN222495338U true CN222495338U (en) | 2025-02-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421227750.8U Active CN222495338U (en) | 2024-05-31 | 2024-05-31 | A two-stage extruder for the production of polyolefin cable materials |
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| Country | Link |
|---|---|
| CN (1) | CN222495338U (en) |
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- 2024-05-31 CN CN202421227750.8U patent/CN222495338U/en active Active
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