CN216647947U

CN216647947U - Single-screw extrusion device for producing cross-linked polyolefin sheath material for photovoltaic cable

Info

Publication number: CN216647947U
Application number: CN202220109461.2U
Authority: CN
Inventors: 袁敏; 耿志祥
Original assignee: Hechang Cable Material Technology Jiangsu Co ltd
Current assignee: Hechang Cable Material Technology Jiangsu Co ltd
Priority date: 2022-01-17
Filing date: 2022-01-17
Publication date: 2022-05-31
Anticipated expiration: 2032-01-17

Abstract

The utility model provides a single-screw extrusion device for producing a cross-linked polyolefin sheath material for a photovoltaic cable, which comprises an installation cabinet, wherein a fixed box is fixedly installed in the middle of the installation cabinet, a receiving hopper is fixedly connected to the top of the fixed box, an extrusion mechanism is fixedly installed in the fixed box, a support frame is arranged at the top of the installation cabinet, a feeding mechanism is fixedly installed at the top of the support frame, and a vacuum feeder works to convey granules in the box into a storage tank through a feeding pipe through the feeding mechanism so that the interior of the storage tank is filled with the granules.

Description

Single-screw extrusion device for producing cross-linked polyolefin sheath material for photovoltaic cable

Technical Field

The utility model relates to the technical field of extruders, in particular to a single-screw extrusion device for producing a cross-linked polyolefin sheath material for a photovoltaic cable.

Background

The photovoltaic cable is determined by a special insulating material and a sheath material of the cable, namely cross-linked PE, after irradiation of a radiation accelerator, the molecular structure of the cable material is changed, so that the performance of the photovoltaic cable is improved in one aspect, the sheath material needs to be produced through an extruder, and the single-screw extruder is formed by rotating an Archimedes screw in a heated charging barrel. The extruder is a type of extruder with the most mature technology and the most consumption because of simple structure, easy manufacture, high processing efficiency, low price and wide application. The existing single-screw extruder needs to manually convey the granules into the single-screw extruder when sheath materials are produced, manual feeding cannot guarantee the uniformity of feeding and occupies the labor cost, production efficiency is affected, and the traditional single-screw extruder melts the granules after hot melting, so that the cooling condition is caused by temperature reduction in the extruding process, the extruder is blocked, and extrusion production is affected.

Disclosure of Invention

The utility model aims to provide a single-screw extruder for producing a cross-linked polyolefin sheath material for a photovoltaic cable, which aims to solve the problems that the existing single-screw extruder in the background art needs to manually convey granules into the single-screw extruder when producing the sheath material, the manual feeding cannot ensure the uniformity of feeding, the manual cost is occupied, and the production efficiency is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a single screw extruder is used in production of cross-linked polyolefin sheath material for photovoltaic cable, includes the installation cabinet, the middle part fixed mounting of installation cabinet has fixed case, the top fixedly connected with of fixed case connects the hopper, the inside fixed mounting of fixed case has extrusion mechanism, the top of installation cabinet is equipped with the support frame, the top fixed mounting of support frame has feed mechanism.

In order to allow extrusion, as a preferred embodiment of the present invention: the extruding mechanism comprises a driving motor fixedly mounted on the surface of the mounting cabinet, a speed regulating gear box is fixedly mounted at the output end of the driving motor, a coupler is fixedly connected to the output end of the speed regulating gear box, a machine barrel is connected to the inside of the fixing box in an alternating mode, an extruding screw is connected to the inside of the machine barrel in an alternating mode, one end of the coupler is fixedly connected with the extruding screw, a heating ring is mounted on the surface of the machine barrel, and an extruding opening die is fixedly mounted at one end of the machine barrel.

In order to keep the cylinder warm, as a preferred embodiment of the present invention: the surface cover of barrel is equipped with the heat preservation cover, the inside heat preservation that is equipped with of heat preservation cover.

In order to facilitate stable feeding, as a preferred embodiment of the present invention: feed mechanism includes the storage tank of fixed mounting at the support frame top, the bottom fixedly connected with material loading pipe of storage tank, the inside of storage tank is equipped with the material loading auger, the material loading auger alternates to be connected at the material loading intraduct, the top fixed mounting of storage tank has buncher, buncher's output alternates storage tank fixed connection in the one end of material loading auger.

In order to feed materials into the storage tank, the utility model adopts a preferable scheme that: the feeding port is formed in one side of the top of the storage tank, the vacuum feeding machine is fixedly mounted on the surface of the feeding port, the feeding pipe is communicated with the bottom of the vacuum feeding machine, a material box is fixedly connected to one end of the feeding pipe, and the material box is arranged on one side of the mounting cabinet.

In order to prevent the aggregates from adhering to the inner wall of the storage tank, the utility model adopts a preferable scheme that: the top fixedly connected with of material loading auger is solid fixed ring, gu fixed ring's surface passes through two bar scraper blades of connecting rod fixedly connected with, two the laminating of bar scraper blade is at the storage tank inner wall.

In order to make the installation cabinet capable of placing other articles, the utility model adopts a preferable scheme that: the surface of the installation cabinet is hinged with a cabinet door, and a handle is fixedly installed on the surface of the cabinet door.

In order to operate the device, as a preferred embodiment of the utility model: the back fixed mounting of installation cabinet has the control box, driving motor, heating ring, buncher and vacuum feeder all with control box electric connection, control box and external power supply electric connection.

Compared with the prior art, the utility model has the beneficial effects that:

(1) through the feeding mechanism, the vacuum feeder works to convey the granules in the material box into the material storage tank through the feeding pipe, so that the inside of the material storage tank is filled with the granules, when plastic extrusion is needed, the speed regulating motor is controlled to rotate, the speed regulating motor rotates to drive the feeding auger to rotate along with the material storage tank, the feeding auger rotates to drive the granules to fall from the feeding pipe, and the feeding pipe extends into the material receiving hopper, so that uniform automatic feeding is realized, manual feeding is replaced, and the production efficiency is improved;

(2) through the heat preservation cover that barrel surface cover was established, make the lost efficiency of reduction temperature through the inside heat preservation that is equipped with of heat preservation cover, prevent that the aggregate cooling after the heat is melted from causing the jam to the extruder.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is a schematic view of the extrusion mechanism of the present invention;

fig. 3 is a schematic structural diagram of the feeding mechanism of the present invention.

In the figure: 1. installing a cabinet; 2. a fixed box; 3. a receiving hopper; 4. an extrusion mechanism; 41. a drive motor; 42. a speed-regulating gear box; 43. a coupling; 44. a barrel; 45. extruding a screw; 46. a heating ring; 47. extruding a mouth die; 48. a heat-insulating cylinder cover; 5. a support frame; 6. a feeding mechanism; 61. a material storage tank; 62. feeding pipes; 63. a feeding auger; 64. a speed-regulating motor; 65. a fixing ring; 66. a strip-shaped scraper; 7. a vacuum feeder; 8. a feed pipe; 9. a material box; 10. a cabinet door.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a single screw extruder is used in production of cross-linked polyolefin sheath material for photovoltaic cable, includes installation cabinet 1, and the middle part fixed mounting of installation cabinet 1 has fixed case 2, and the top fixedly connected with of fixed case 2 connects hopper 3, and the inside fixed mounting of fixed case 2 has extruding means 4, and the top of installation cabinet 1 is equipped with support frame 5, and the top fixed mounting of support frame 5 has feed mechanism 6.

In this embodiment: extruding means 4 includes fixed mounting at the surperficial driving motor 41 of installation cabinet 1, driving motor 41's output fixed mounting has speed governing gear box 42, speed governing gear box 42's output fixedly connected with shaft coupling 43, the inside interlude of fixed box 2 is connected with barrel 44, the inside interlude of barrel 44 is connected with extrusion screw 45, the one end of shaft coupling 43 with extrude screw 45 fixed connection, the fixed surface of barrel 44 installs heating ring 46, the one end fixed mounting of barrel 44 has extrusion die 47, the surface cover of barrel 44 is equipped with heat preservation cover 48, the inside heat preservation that is equipped with of heat preservation cover 48.

When in specific use: after the granules enter the fixed box 2 through the receiving hopper 3, the granules fall into the cylinder 44, the driving motor 41 is controlled to rotate, the heating ring 46 heats the cylinder 44, the driving motor 41 adjusts the rotating speed through the speed adjusting gear box 42, the extruding screw 45 is driven to rotate along with the driving motor by the coupler 43, the extruding screw 45 rotates in the cylinder 44 to drive the granules to move towards the extruding die 47, when the granules are conveyed to the cylinder 44 provided with the heating ring 46, the granules are melted, the melted granules are extruded from the extruding die 47 into a required finished product under the continuous driving of the extruding screw 45, the surface of the cylinder 44 is sleeved with the heat-insulating cylinder cover 48, the temperature of the cylinder 44 is kept through the heat-insulating layer arranged in the heat-insulating cylinder cover 48, and the extruder is prevented from being blocked due to the cooling of the granules after being heated.

In this embodiment: feed mechanism 6 includes storage tank 61 of fixed mounting at 5 tops of support frame, the bottom fixedly connected with material loading pipe 62 of storage tank 61, the inside of storage tank 61 is equipped with material loading auger 63, material loading auger 63 alternates to be connected inside material loading pipe 62, the top fixed mounting of storage tank 61 has buncher 64, the output of buncher 64 alternates storage tank 61 fixed connection in the one end of material loading auger 63, the pay-off mouth has been seted up to top one side of storage tank 61, the fixed surface of pay-off mouth installs vacuum feeder 7, the bottom intercommunication of vacuum feeder 7 has conveying pipe 8, the one end fixedly connected with workbin 9 of conveying pipe 8, workbin 9 sets up in 1 one side of installing the cabinet.

When in specific use: inside storage tank 61 is carried with the inside aggregate of workbin 9 to the work of vacuum feeder 7 through conveying pipe 8 for the inside granule that is filled up of storage tank 61, when needing the extrusion molding, control buncher 64 rotates, buncher 64 rotates and drives material loading auger 63 and follows the rotation, material loading auger 63 rotates and drives the granule and drops from material loading pipe 62, material loading pipe 62 extends to and connects inside hopper 3, make and realize even automatic feeding, replace artifical material loading and improve production efficiency.

In this embodiment: the fixed ring 65 of top fixedly connected with of material loading auger 63, two bar scrapers 66 of connecting rod fixedly connected with are passed through on fixed ring 65's surface, and two bar scrapers 66 laminate are at the storage tank 61 inner wall.

When in specific use: when material loading auger 63 rotated, top fixed connection's solid fixed ring 65 followed the rotation, and gu fixed ring 65 drives two bar scraper blades 66 through the connecting rod and follows the rotation, bar scraper blade 66 rotate with the contact of storage tank 61 inner wall, will bond the aggregate at storage tank 61 inner wall and clear away, avoid the aggregate to bond and cause the material loading to block up.

In this embodiment: the surface of installation cabinet 1 articulates there is cabinet door 10, and the fixed surface of cabinet door 10 installs the handle.

When in specific use: the door 10 is opened by pulling the handle so that the article can be placed inside the installation cabinet 1.

In this embodiment: the back fixed mounting of installation cabinet 1 has the control box, and driving motor 41, heating ring 46, buncher 64 and vacuum feeder 7 all with control box electric connection, control box and external power supply electric connection.

When in specific use: when the control box is connected with the external power supply, the electric equipment is powered on to operate, and when the control box is disconnected with the external power supply, the equipment stops operating.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes, modifications, equivalents, and improvements may be made without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a production of cross-linked polyolefin sheath material is with single screw extrusion device for photovoltaic cable, includes installation cabinet (1), its characterized in that: the middle part fixed mounting of installation cabinet (1) has fixed case (2), the top fixedly connected with of fixed case (2) connects hopper (3), the inside fixed mounting of fixed case (2) has extruding means (4), the top of installation cabinet (1) is equipped with support frame (5), the top fixed mounting of support frame (5) has feed mechanism (6).

2. The single-screw extrusion device for producing the crosslinked polyolefin sheath material for the photovoltaic cable according to claim 1, characterized in that: extruding means (4) include driving motor (41) of fixed mounting on installation cabinet (1) surface, the output fixed mounting of driving motor (41) has speed governing gear box (42), the output fixed connection of speed governing gear box (42) has shaft coupling (43), the inside interlude of fixed box (2) is connected with barrel (44), the inside interlude of barrel (44) is connected with extrusion screw (45), the one end of shaft coupling (43) with extrude screw (45) fixed connection, the fixed surface of barrel (44) installs heating ring (46), the one end fixed mounting of barrel (44) has extrusion die (47).

3. The single-screw extrusion device for producing the crosslinked polyolefin sheath material for the photovoltaic cable according to claim 2, characterized in that: the surface cover of barrel (44) is equipped with heat preservation cover (48), the inside heat preservation that is equipped with of heat preservation cover (48).

4. The single-screw extrusion device for producing the crosslinked polyolefin sheath material for the photovoltaic cable according to claim 2, characterized in that: feeding mechanism (6) are including storage tank (61) of fixed mounting at support frame (5) top, the bottom fixedly connected with material loading pipe (62) of storage tank (61), the inside of storage tank (61) is equipped with material loading auger (63), material loading auger (63) alternate and are connected inside material loading pipe (62), the top fixed mounting of storage tank (61) has buncher (64), the output of buncher (64) alternates the one end of storage tank (61) fixed connection at material loading auger (63).

5. The single-screw extrusion device for producing the crosslinked polyolefin sheath material for the photovoltaic cable according to claim 4, wherein: the feeding port is formed in one side of the top of the storage tank (61), the vacuum feeding machine (7) is fixedly mounted on the surface of the feeding port, the feeding pipe (8) is communicated with the bottom of the vacuum feeding machine (7), one end of the feeding pipe (8) is fixedly connected with a material box (9), and the material box (9) is arranged on one side of the installation cabinet (1).

6. The single-screw extrusion device for producing the crosslinked polyolefin sheath material for the photovoltaic cable according to claim 4, characterized in that: the top fixedly connected with of material loading auger (63) is solid fixed ring (65), gu the surface of solid fixed ring (65) passes through two bar scraper blades (66) of connecting rod fixedly connected with, two bar scraper blade (66) laminating is at storage tank (61) inner wall.

7. The single-screw extrusion device for producing the crosslinked polyolefin sheath material for the photovoltaic cable according to claim 1, characterized in that: the surface of the installation cabinet (1) is hinged with a cabinet door (10), and a handle is fixedly installed on the surface of the cabinet door (10).

8. The single-screw extrusion device for producing the crosslinked polyolefin sheath material for the photovoltaic cable according to claim 5, wherein: the back fixed mounting of installation cabinet (1) has the control box, driving motor (41), heating ring (46), speed regulating motor (64) and vacuum feeder (7) all with control box electric connection, control box and external power supply electric connection.