Extruder of silane crosslinked polyethylene cable material experimental equipment

Abstract

The utility model relates to the technical field of cable processing equipment, in particular to an extruder of silane crosslinked polyethylene cable material experimental equipment, which comprises a rack, an extruder arranged on the rack, a crushing barrel arranged at the top end of the rack, a feed port arranged at the top end of the crushing barrel, and a collecting tank arranged at the bottom end of the crushing barrel through a round upper part and a round lower part, a pair of T-shaped inserting grooves is formed in the left side wall and the right side wall of the bottom end of the collecting groove, filtering assemblies are inserted into the inserting grooves, and a smashing assembly is arranged on the rack. Plastic raw materials are smashed through the first smashing cutter and the second smashing cutter which rotate in the opposite directions, the problem that the melting speed is affected due to the fact that particles of the plastic raw materials are too large is solved, and then the extrusion effect of cable materials is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of cable processing equipment, in particular to an extruder for experimental equipment of silane cross-linked polyethylene cable material. Background Art

[0002] A cable is a common power transmission line used to transmit electric current from a power plant to various users when transmitting electric energy. It usually consists of one or more bare metal wires, and its outer surface is covered with an insulating material to provide electrical insulation and protection for the wires. Compared with bare wires, overhead insulated wires have the advantages of preventing current leakage, preventing stray current, reducing electrical interference, resisting wind load, reducing short-circuit risk, etc. When manufacturing overhead insulated wires, an extrusion device is required. A wire extruder is also called an extruding machine, a wire unit or an outgoing machine. The wire extruder is used by wire and cable factories to extrude polyethylene, polyvinyl chloride, etc. by hot extrusion method to insulate the wire core or make a cable sheath. When the extruder is working, too large particles of plastic raw materials will affect the melting speed, and even cause incomplete melting, affecting the insulating layer and causing an impact on the subsequent insulation experiment of the cable sample. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an extruder for experimental equipment of silane cross-linked polyethylene cable material, so as to solve the problem mentioned in the background art that when the extruder is working, too large particles of plastic raw materials will affect the melting speed, and even cause incomplete melting, thus affecting the extrusion effect.

[0004] The utility model adopts the following technical scheme:

[0005] The utility model provides an extruder for experimental equipment of silane cross-linked polyethylene cable material, which includes a frame. An extruder is arranged on the frame. A crushing barrel is arranged at the top of the frame. A feed inlet is arranged at the top of the crushing barrel. The bottom of the crushing barrel is communicated with the extruder through a collecting groove with a round upper part and a square lower part. A pair of T-shaped plug-in grooves are arranged on the left and right side walls at the bottom of the collecting groove. A filtering component is inserted into the plug-in grooves. A crushing component is arranged on the frame.

[0006] The crushing assembly includes a motor which is arranged on the frame. A first bevel gear is arranged at the output end of the motor. A second bevel gear and a third bevel gear are respectively meshed with the upper and lower sides of the first bevel gear. The second bevel gear and the third bevel gear are respectively connected to the top ends of a first transmission shaft and a second transmission shaft. The second transmission shaft is rotatably sleeved on the first transmission shaft and is rotatably connected to the frame. A plurality of first crushing knives and a plurality of second crushing knives are respectively arranged at the bottom ends of the first transmission shaft and the second transmission shaft. The plurality of first crushing knives and the plurality of second crushing knives are both arranged in a circular shape and are all arranged in the crushing barrel.

[0007] Furthermore, the filtering assembly includes two side frame plates. The front ends of the two side frame plates are connected by a front frame plate. The side frame plates and the front frame plate are both hermetically connected to the collecting groove. A filter screen is arranged between the two side frame plates. The two side frame plates are respectively inserted into two insertion grooves.

[0008] Furthermore, a blocking cover is arranged on the feed inlet. The blocking cover includes a pair of symmetrical cover plates. One ends of the two cover plates are rotatably connected, and the other ends are connected by a buckle device. Grooves for the second transmission shaft to pass through are arranged at the middle positions of the two cover plates.

[0009] Furthermore, the crushing barrel is connected to the frame by a plurality of first connecting rods arranged in a circular shape.

[0010] Furthermore, a bearing is sleeved on the second transmission shaft. The bearing is connected to the frame by a plurality of second connecting rods arranged in a circular shape.

[0011] Compared with the prior art, the beneficial technical effects of the present utility model are as follows:

[0012] The present utility model crushes plastic raw materials by the first crushing knives and the second crushing knives rotating in opposite directions, solves the problem that the melting speed is affected due to too large particles of the plastic raw materials, and further ensures the extrusion effect of the cable material. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The present utility model will be further described below in conjunction with the drawings.

[0014] Figure 1 It is a schematic structural diagram of an extruder of a silane cross-linked polyethylene cable material experimental device in an embodiment of the present utility model;

[0015] Figure 2 is Figure 1 an enlarged view of part A in

[0016] Figure 3It is a cross-sectional view of the crushing barrel in the embodiment of the present utility model;

[0017] Figure 4 It is a schematic structural view of the filter assembly in the embodiment of the present utility model;

[0018] Figure 5 It is a schematic installation view of the filter assembly in the embodiment of the present utility model;

[0019] Figure 6 It is a top view of the sealing plate in the embodiment of the present utility model.

[0020] Explanation of reference numerals: 1, frame; 2, extruder; 3, crushing barrel; 301, feed inlet; 4, collection tank; 401, insertion slot; 5, filter assembly; 501, side frame plate; 502, front frame plate; 503, filter net; 6, crushing assembly; 601, motor; 602, first bevel gear; 603, second bevel gear; 604, third bevel gear; 605, first transmission shaft; 606, second transmission shaft; 607, first crushing knife; 608, second crushing knife; 7, sealing plate; 701, cover plate; 702, buckle; 703, groove; 8, first connecting rod; 9, second connecting rod; 10, bearing. Detailed implementation manners

[0021] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present utility model more clear and understandable, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments.

[0022] As Figure 1 shown, an experimental equipment extruder for silane cross-linked polyethylene cable material is disclosed in this embodiment, including a frame 1, an extruder 2 is arranged on the frame 1, a crushing barrel 3 is arranged at the top of the frame 1, a feed inlet 301 is arranged at the top of the crushing barrel 3, the bottom of the crushing barrel 3 is communicated with the extruder 2 through a collection tank 4 with a round upper part and a square lower part, a pair of T-shaped insertion slots 401 are arranged on the left and right side walls at the bottom of the collection tank 4, a filter assembly 5 is inserted in the insertion slots 401, the filter assembly 5 and the insertion slots 401 form a structure similar to a drawer, the filter assembly 5 completely covers the opening at the bottom of the collection tank 4, and a crushing assembly 6 is arranged on the frame 1.

[0023] The crushing assembly 6 includes a motor 601. The motor 601 is arranged on the frame 1. A first bevel gear 602 is arranged at the output end of the motor 601. A second bevel gear 603 and a third bevel gear 604 are respectively meshed on the upper and lower sides of the first bevel gear 602. The second bevel gear 603 and the third bevel gear 604 are respectively connected to the top end of a first transmission shaft 605 and the top end of a second transmission shaft 606. The second transmission shaft 606 is rotatably sleeved on the first transmission shaft 605. The second transmission shaft 606 is rotatably connected to the frame 1. A plurality of first crushing knives 607 and a plurality of second crushing knives 608 are respectively arranged at the bottom ends of the first transmission shaft 605 and the second transmission shaft 606. The plurality of first crushing knives 607 and the plurality of second crushing knives 608 are both arranged in an annular shape. The plurality of first crushing knives 607 and the plurality of second crushing knives 608 are both arranged in the crushing barrel 3. The first crushing knives 607 and the second crushing knives 608 rotate in opposite directions, and the plastic raw materials are crushed to prevent the melting speed from being affected due to the excessive size of the plastic raw materials.

[0024] In this embodiment, the filtering assembly 5 includes two side frame plates 501. The front ends of the two side frame plates 501 are connected by a front frame plate 502. The side frame plates 501 and the front frame plate 502 are both hermetically connected to the collecting tank 4. A filter screen 503 is arranged between the two side frame plates 501. The two side frame plates 501 are respectively inserted into two insertion slots 401. When it is necessary to clean or replace the filter screen 502, the filtering assembly 5 can be taken out of the insertion slots 401.

[0025] In this embodiment, a plugging cover 7 is arranged on the feed inlet 301. The plugging cover 7 includes a pair of symmetric cover plates 701. One ends of the two cover plates 701 are rotatably connected, and the other ends are connected by a buckle device 702. Grooves 703 facilitating the passing of the second transmission shaft 606 are arranged at the middle positions of the two cover plates 701.

[0026] In this embodiment, the crushing barrel 3 is connected to the frame 1 through a plurality of annularly arranged first connecting rods 8.

[0027] In this embodiment, a bearing 10 is sleeved on the second transmission shaft 606. The outer ring of the bearing 10 is connected to the frame 1 through a plurality of annularly arranged second connecting rods 9.

[0028] The using process of the present utility model is as follows:

[0029] First, start the motor 601. The first bevel gear 602 drives the second bevel gear 603 and the third bevel gear 604 to rotate in opposite directions, and then drives the first crushing knives 607 and the second crushing knives 608 to rotate in opposite directions. Then, open the cover plates 701 and add plastic raw materials into the crushing barrel 3. The first crushing knives 607 and the second crushing knives 608 crush the plastic raw materials. The crushed plastic raw materials enter the extruder 2 after being filtered by the filter screen 503, and the extruder 2 makes them into cable materials.

[0030] The embodiments described above are only descriptions of the preferred embodiments of the present invention, and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various deformations and improvements made by those of ordinary skill in the art to the technical solutions of the present invention shall fall within the protection scope determined by the claims of the present invention.

Claims

1. A silane cross-linked polyethylene cable material experimental equipment extruder, comprising a frame (1), on which an extruder (2) is arranged, characterized in that: A crushing barrel (3) is arranged at the top of the frame (1), a feed port (301) is arranged at the top of the crushing barrel (3), the bottom of the crushing barrel (3) is connected to the extruder (2) through a collecting tank (4) below the upper circle, a pair of T-shaped plug-in slots (401) are arranged on the left and right side walls of the bottom of the collecting tank (4), a filter assembly (5) is inserted into the plug-in slot (401), and a crushing assembly (6) is arranged on the frame (1); The pulverizing assembly (6) comprises a motor (601), the motor (601) being arranged on the frame (1), a first bevel gear (602) being arranged at the output end of the motor (601), a second bevel gear (603) and a third bevel gear (604) being respectively meshed at the upper and lower sides of the first bevel gear (602), the second bevel gear (603) and the third bevel gear (604) being respectively connected to the top end of a first transmission shaft (605) and the top end of a second transmission shaft (606), and the second transmission shaft (606) is rotated The first transmission shaft (605) is sleeved on the second transmission shaft (606) and is rotatably connected to the frame (1). The bottom ends of the first transmission shaft (605) and the second transmission shaft (606) are respectively provided with a plurality of first crushing knives (607) and a plurality of second crushing knives (608). The plurality of first crushing knives (607) and the plurality of second crushing knives (608) are arranged in a ring shape. The plurality of first crushing knives (607) and the plurality of second crushing knives (608) are both arranged in the crushing barrel (3).

2. The silane cross-linked polyethylene cable material experimental equipment extruder according to claim 1, characterized in that: The filter assembly (5) comprises two side frame plates (501), the front ends of the two side frame plates (501) are connected via a front frame plate (502), the side frame plates (501) and the front frame plate (502) are both sealedly connected to the collection tank (4), a filter screen (503) is provided between the two side frame plates (501), and the two side frame plates (501) are respectively plugged into the two plug-in slots (401).

3. The silane cross-linked polyethylene cable material experimental equipment extruder according to claim 1, characterized in that: The feed port (301) is provided with a blocking cover (7), and the blocking cover (7) comprises a pair of symmetrical cover plates (701), one end of the two cover plates (701) are rotatably connected, and the other end is connected by a snap-fit ​​device (702), and the middle position of the two cover plates (701) is provided with a groove (703) for facilitating the passage of the second transmission shaft (606).

4. The silane cross-linked polyethylene cable material experimental equipment extruder according to claim 1, characterized in that: The crushing barrel (3) is connected to the frame (1) via a plurality of first connecting rods (8) arranged in an annular shape.

5. The silane cross-linked polyethylene cable material experimental equipment extruder according to claim 1, characterized in that: A bearing (10) is sleeved on the second transmission shaft (606), and the bearing (10) is connected to the frame (1) via a plurality of second connecting rods (9) arranged in a ring shape.

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