Extrusion molding equipment for production and processing of insulating layer

Abstract

The utility model belongs to the technical field of insulating layer production, and particularly relates to insulating layer production and processing extrusion molding equipment which comprises a base, a cylinder body is mounted on a support frame, a first heating plate is mounted in a placement groove, a plurality of groups of stirring blades are mounted on a stirring rod, a first scraping plate and a second scraping plate are welded on the stirring rod, and the first scraping plate and the second scraping plate are welded on the base. A filter plate is mounted on the inner wall of the cylinder body, the inner wall of the cylinder body is heated through a first heating plate, a sizing material is heated through the inner wall of the cylinder body, so that the sizing material is molten, a stirring rod drives stirring blades to rotate, the sizing material is stirred through the stirring blades, the sizing material is evenly heated, and meanwhile a first scraping plate pushes the molten sizing material to be filtered out from the filter plate. According to the structure, the rubber material is heated and melted and then is put into the extrusion molding pipe, so that the conditions of unsmooth flowing, scorched particles and scorched blocks of the rubber material in the extrusion molding pipe are avoided, and the quality of an insulating layer is favorably improved.

Description

Technical Field

[0001] The utility model relates to the technical field of insulating layer production, in particular to insulating layer production and processing extrusion equipment. Background Art

[0002] The cable insulation layer refers to the insulating material layer between the heating wires or between the heating wires and the grounding shielding layer. It is mainly used to isolate the wires to prevent people from being injured by electric shock. In the process of producing and processing the insulation layer, extrusion equipment is required.

[0003] A Chinese patent with publication number CN212528601U discloses an extrusion device for producing and processing cable insulation layers, which relates to the field of cable extrusion technology. The extrusion device for producing and processing cable insulation layers comprises a thermoplastic box, a rotating rod is rotatably installed at the inner bottom of the thermoplastic box, an air supply pipe is welded and installed on the outer wall of one side of the rotating rod, an air supply head is welded and installed at one end of the air supply pipe, a first drive motor is welded and installed on the outer surface of the bottom of the thermoplastic box, and the output shaft of the first drive motor extends into the thermoplastic box through a coupling and is welded and installed with one end of the rotating rod. The extrusion device for producing and processing cable insulation layers can effectively increase the heating area of ​​the plastic, and can also effectively make the plastic heated more evenly, which can greatly improve the quality of plastic molding, and can also greatly ensure the integrity of the shape of the cable insulation layer during molding.

[0004] In the process of extruding the cable insulation layer by the existing extrusion equipment, the rubber material will not flow smoothly in the extruder, and there will be dead zones, which will cause the rubber material to stay for too long and overheat and burn, resulting in coke particles and coke blocks, resulting in poor quality of the insulation layer; therefore, in order to solve the above problems, an insulation layer production and processing extrusion equipment is proposed. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve the problems existing in the prior art, the utility model provides an insulation layer production and processing extrusion equipment.

[0006] The technical solution adopted by the utility model to solve its technical problems is: the utility model describes an insulating layer production and processing extrusion equipment, comprising a base, a support frame is installed on the base, a cylinder is installed on the support frame, a placement groove is opened on the inner wall of the cylinder body, a first heating plate is installed in the placement groove, a first motor is installed on the top plate of the cylinder body through a machine base, the output shaft of the first motor passes through the top plate of the cylinder body and is fixedly connected with a stirring rod, the stirring rod is rotatably connected to the top plate of the cylinder body through a bearing, a plurality of groups of stirring blades are installed on the stirring rod, a first scraper plate and a second scraper plate are welded on the stirring rod, a filter plate is installed on the inner wall of the cylinder body, the stirring rod passes through the filter plate, a guide hopper is welded on the bottom side of the cylinder body, a guide pipe is welded on the bottom side of the guide hopper, the first scraper plate is attached to the top side of the filter plate and the inner wall of the cylinder body, and the second scraper plate is attached to the bottom side of the filter plate and the guide hopper The inner walls are in contact with each other, and a feed port is provided on the top plate of the cylinder body. A feed pipe is installed at the feed port. By pouring the rubber into the cylinder body from the feed pipe, the first heating plate heats the inner wall of the cylinder body, and the inner wall of the cylinder body heats the rubber to melt the rubber. The first motor is operated to drive the stirring rod to rotate, and the stirring rod drives the stirring blades to rotate. The stirring blades stir the rubber to make the rubber evenly heated. At the same time, the stirring rod drives the first scraper plate and the second scraper plate to rotate. The first scraper plate pushes the molten rubber to be filtered out from the filter plate, so that the molten rubber can be quickly filtered from the filter plate. After that, the molten rubber drips onto the guide hopper and enters the guide pipe from the guide hopper. This structure avoids the poor flow of the rubber in the extrusion tube by heating and melting the rubber and then putting it into the extrusion tube. The existence of a dead zone causes the rubber to stay too long and overheat and burn, resulting in coke particles and coke blocks, which is beneficial to improving the quality of the insulation layer.

[0007] Preferably, an extrusion tube is installed on the base through a fixing seat, a feed port is provided on the side wall of the extrusion tube, the feed port of the extrusion tube is fixedly connected with the guide tube, a mounting groove is provided on the inner wall of the extrusion tube, a second heating plate is assembled in the mounting groove, a rotating rod is rotatably installed on the inner wall of the extrusion tube through a bearing, a spiral blade is installed on the rotating rod, a protective cover is fixedly installed on the outer wall of the extrusion tube, a second motor is installed in the protective cover, an output shaft of the second motor is fixedly connected to one end of the rotating rod, an extrusion nozzle is fixedly installed on the extrusion tube, molten rubber enters the extrusion tube from the guide tube, the second heating plate heats the inner wall of the extrusion tube, and the inner wall of the extrusion tube continues to heat the molten rubber, so that the rubber remains in a molten state, and the second motor is operated to drive the rotating rod to rotate, and the rotating rod drives the spiral blade to rotate, and the spiral blade pushes the molten rubber to flow in the extrusion tube and extrude the molten rubber from the extrusion nozzle, thereby realizing the extrusion production of the cable insulation layer, which is beneficial to improving the extrusion efficiency.

[0008] The utility model is beneficial in that:

[0009] 1. The utility model pours the rubber material into the cylinder from the feed pipe, and the first heating plate heats the inner wall of the cylinder, and the inner wall of the cylinder heats the rubber material to melt the rubber material, and the first motor is operated to drive the stirring rod to rotate, and the stirring rod drives the stirring blades to rotate, and the stirring blades stir the rubber material to make the rubber material evenly heated, and at the same time the stirring rod drives the first scraper plate and the second scraper plate to rotate, and the first scraper plate pushes the molten rubber material to be filtered out from the filter plate, so that the molten rubber material can be quickly filtered from the filter plate, and then the molten rubber material drips onto the guide hopper and enters the guide pipe from the guide hopper. This structure heats the rubber material and melts it before putting it into the extrusion pipe, so as to avoid the poor flow of the rubber material in the extrusion pipe, the existence of dead zones causing the rubber material to stay too long and overheat and burn, and the appearance of coke particles and coke blocks, which is beneficial to improving the quality of the insulation layer.

[0010] 2. The utility model allows molten rubber to enter the extrusion tube from the material guide tube, and the second heating plate heats the inner wall of the extrusion tube, and the inner wall of the extrusion tube continues to heat the molten rubber, so that the rubber remains in a molten state, and the second motor is operated to drive the rotating rod to rotate, and the rotating rod drives the spiral blade to rotate, and the spiral blade pushes the molten rubber to flow in the extrusion tube and extrude the molten rubber from the extrusion nozzle, thereby realizing the extrusion production of the cable insulation layer, which is beneficial to improving the extrusion efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0012] Figure 1 It is a schematic diagram of a three-dimensional structure from a first-person perspective;

[0013] Figure 2 It is a schematic diagram of the internal three-dimensional structure of the cylinder body;

[0014] Figure 3 is a schematic diagram of the three-dimensional structure of the stirring rod;

[0015] Figure 4 Schematic diagram of the internal three-dimensional structure of the extruded tube.

[0016] In the figure: 1. base; 2. support frame; 3. cylinder body; 4. placement groove; 5. first heating plate; 6. first motor; 7. stirring rod; 8. stirring blade; 9. first scraper plate; 10. second scraper plate; 11. filter plate; 12. guide hopper; 13. guide pipe; 14. feed pipe; 15. extrusion pipe; 16. installation groove; 17. second heating plate; 18. rotating rod; 19. spiral blade; 20. protective cover; 21. second motor; 22. extrusion nozzle. DETAILED DESCRIPTION

[0017] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] See also Figure 1-4As shown, an insulating layer production and processing extrusion equipment includes a base 1, a support frame 2 is installed on the base 1, a cylinder 3 is installed on the support frame 2, a placement groove 4 is opened on the inner wall of the cylinder 3, a first heating plate 5 is installed in the placement groove 4, a first motor 6 is installed on the top plate of the cylinder 3 through a machine base, the output shaft of the first motor 6 passes through the top plate of the cylinder 3 and is fixedly connected to a stirring rod 7, the stirring rod 7 is rotatably connected to the top plate of the cylinder 3 through a bearing, a plurality of stirring blades 8 are installed on the stirring rod 7, a first scraper plate 9 and a second scraper plate 10 are welded to the stirring rod 7, a filter plate 11 is installed on the inner wall of the cylinder 3, the stirring rod 7 passes through the filter plate 11, and the bottom side of the cylinder 3 is welded There is a guide hopper 12, a guide pipe 13 is welded to the bottom side of the guide hopper 12, a first scraper plate 9 is attached to the top side of the filter plate 11 and the inner wall of the cylinder body 3, a second scraper plate 10 is attached to the bottom side of the filter plate 11 and the inner wall of the guide hopper 12, a feed port is provided on the top plate of the cylinder body 3, a feed pipe 14 is installed at the top plate of the cylinder body 3 at the feed port, an extrusion tube 15 is installed on the base 1 through a fixed seat, a feed port is provided on the side wall of the extrusion tube 15, the feed port of the extrusion tube 15 is fixedly connected to the guide pipe 13, a mounting groove 16 is provided on the inner wall of the extrusion tube 15, a second heating plate 17 is installed in the mounting groove 16, and a rotating rod 18 is rotatably installed on the inner wall of the extrusion tube 15 through a bearing , a spiral blade 19 is installed on the rotating rod 18, a protective cover 20 is fixedly installed on the outer wall of the extrusion tube 15, a second motor 21 is installed in the protective cover 20, the output shaft of the second motor 21 is fixedly connected to one end of the rotating rod 18, and an extrusion nozzle 22 is fixedly installed on the extrusion tube 15; when working, in the process of extruding the cable insulation layer of the existing extrusion equipment, the rubber material will not flow smoothly in the extruder, and there will be a dead zone, which will cause the rubber material to stay too long and overheat and burn, resulting in coke particles and coke blocks, resulting in poor quality of the insulation layer, by pouring the rubber material from the feed pipe 14 into the cylinder 3, the first heating plate 5 heats the inner wall of the cylinder 3, and the inner wall of the cylinder 3 heats the rubber The material is heated to melt the rubber material. The first motor 6 is operated to drive the stirring rod 7 to rotate. The stirring rod 7 drives the stirring blade 8 to rotate. The stirring blade 8 stirs the rubber material so that the rubber material is evenly heated. At the same time, the stirring rod 7 drives the first scraper plate 9 and the second scraper plate 10 to rotate. The first scraper plate 9 pushes the molten rubber material to be filtered out from the filter plate 11, so that the molten rubber material can be quickly filtered from the filter plate 11. Then, the molten rubber material drips onto the guide hopper 12 and enters the guide pipe 13 from the guide hopper 12. The first scraper plate 9 scrapes the inner wall of the cylinder body 3, and the second scraper plate 10 scrapes the inner wall of the guide hopper 12 to prevent the molten rubber material from adhering to the inner wall.The molten rubber enters the extrusion tube 15 from the guide tube 13, and the second heating plate 17 heats the inner wall of the extrusion tube 15. The inner wall of the extrusion tube 15 continues to heat the molten rubber, so that the rubber remains in a molten state. The second motor 21 is operated to drive the rotating rod 18 to rotate, and the rotating rod 18 drives the spiral blade 19 to rotate. The spiral blade 19 pushes the molten rubber to flow in the extrusion tube 15 and extrude the molten rubber from the extrusion nozzle 22, thereby realizing the extrusion production of the cable insulation layer. This structure heats and melts the rubber and then puts it into the extrusion tube 15, thereby avoiding the rubber from flowing poorly in the extrusion tube 15, and the existence of a dead zone causes the rubber to stay too long and burn due to overheating, resulting in the appearance of coke particles and coke blocks, which is beneficial to improving the quality of the insulation layer. ;

[0019] Working principle: in the process of extruding the cable insulation layer of the existing extrusion equipment, the rubber material will not flow smoothly in the extruder, and there will be dead zones, which will cause the rubber material to stay for too long and overheat and burn, resulting in coke particles and coke blocks, resulting in poor quality of the insulation layer. The rubber material is poured into the cylinder body 3 from the feed pipe 14, and the first heating plate 5 heats the inner wall of the cylinder body 3. The inner wall of the cylinder body 3 heats the rubber material to melt the rubber material. The first motor 6 is operated to drive the stirring rod 7 to rotate, and the stirring rod 7 drives the stirring blade 8 to rotate. The stirring blade 8 stirs the rubber material so that the rubber material is evenly heated. At the same time, the stirring rod 7 drives the first scraper plate 9 and the second scraper plate 10 to rotate. The first scraper plate 9 pushes the molten rubber material to be filtered out from the filter plate 11, so that the molten rubber material can be quickly filtered from the filter plate 11, and then the molten rubber material drips onto the guide hopper 12 and enters the guide pipe 13 from the guide hopper 12. The first scraper The plate 9 scrapes the inner wall of the cylinder body 3, and the second scraper plate 10 scrapes the inner wall of the guide hopper 12 to prevent the molten rubber from adhering to the inner wall; the molten rubber enters the extrusion tube 15 from the guide tube 13, and the second heating plate 17 heats the inner wall of the extrusion tube 15. The inner wall of the extrusion tube 15 continues to heat the molten rubber, so that the rubber remains in a molten state, and the second motor 21 is operated to drive the rotating rod 18 to rotate, and the rotating rod 18 drives the spiral blade 19 to rotate, and the spiral blade 19 pushes the molten rubber to flow in the extrusion tube 15 and extrude the molten rubber from the extrusion nozzle 22, thereby realizing the extrusion production of the cable insulation layer; this structure heats the rubber and then puts it into the extrusion tube 15, thereby avoiding the poor flow of the rubber in the extrusion tube 15, the existence of a dead zone causing the rubber to stay too long and overheat and burn, and the appearance of coke particles and coke blocks, which is beneficial to improving the quality of the insulation layer.

[0020] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An insulation layer production and processing extrusion equipment, characterized in that : It comprises a base (1), a support frame (2) is installed on the base (1), a cylinder (3) is installed on the support frame (2), a placement groove (4) is opened on the inner wall of the cylinder (3), a first heating plate (5) is installed in the placement groove (4), a first motor (6) is installed on the top plate of the cylinder (3) through a machine base, the output shaft of the first motor (6) passes through the top plate of the cylinder (3) and is fixedly connected to a stirring rod (7), the stirring rod (7) is rotatably connected to the top plate of the cylinder (3) through a bearing, and a plurality of A stirring blade (8) is provided, a first scraper plate (9) and a second scraper plate (10) are welded to the stirring rod (7), a filter plate (11) is installed on the inner wall of the cylinder body (3), the stirring rod (7) passes through the filter plate (11), a guide hopper (12) is welded to the bottom side of the cylinder body (3), a guide pipe (13) is welded to the bottom side of the guide hopper (12), the first scraper plate (9) is in contact with the top side of the filter plate (11) and the inner wall of the cylinder body (3), and the second scraper plate (10) is in contact with the bottom side of the filter plate (11) and the inner wall of the guide hopper (12).

2. The insulating layer production and processing extrusion equipment according to claim 1 is characterized in that: A feed port is provided on the top plate of the cylinder body (3), and a feed pipe (14) is installed at the top plate of the cylinder body (3) at the feed port.

3. The insulating layer production and processing extrusion equipment according to claim 1 is characterized in that: An extruded tube (15) is mounted on the base (1) via a fixed seat, a feed port is provided on the side wall of the extruded tube (15), and the feed port of the extruded tube (15) is fixedly connected to the material guide tube (13).

4. The insulating layer production and processing extrusion equipment according to claim 3 is characterized by: The inner wall of the extruded tube (15) is provided with a mounting groove (16), and a second heating plate (17) is installed in the mounting groove (16).

5. The insulating layer production and processing extrusion equipment according to claim 3 is characterized by: A rotating rod (18) is rotatably mounted on the inner wall of the extruded tube (15) via a bearing, and a spiral blade (19) is mounted on the rotating rod (18).

6. The insulating layer production and processing extrusion equipment according to claim 3 is characterized by: A protective cover (20) is fixedly mounted on the outer wall of the extrusion tube (15), a second motor (21) is mounted inside the protective cover (20), an output shaft of the second motor (21) is fixedly connected to one end of the rotating rod (18), and an extrusion nozzle (22) is fixedly mounted on the extrusion tube (15).

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