Extrusion device for MPP cable tube production

Abstract

The utility model discloses an extrusion device for MPP cable tube production. The extrusion device comprises a base, an extruder body is arranged at the top of the base, a feeding pipe is connected to one side of the top of the extruder body in an inserted mode, a feeding hopper is arranged at the top of the feeding pipe, and a feeding opening is formed in one side of the top of the feeding hopper. The mixing and discharging assembly is arranged in the feeding hopper, after MPP cable pipe production raw material modified polypropylene plastic particles are fed into the feeding hopper through a feeding opening, a driving motor is started to drive a rotating shaft to rotate anticlockwise, a stirring rod is driven to fully stir and mix the plastic particles and a special additive, and the extrusion forming quality of an MPP cable pipe is ensured; and when the rotating shaft rotates, the discharging auger is driven to uniformly and continuously convey the mixed and stirred plastic particles downwards into the extruder main body through the feeding pipe, so that the plastic particles are prevented from blocking the feeding pipe to influence the normal work of the extrusion device, and the practicability is high.

Description

TECHNICAL FIELD

[0001] The utility model relates to MPP cable tube production technical field especially, it is a kind of extrusion device for MPP cable tube production. BACKGROUND

[0002] MPP cable tube is a kind of new type with modified polypropylene as main raw material manufacturing high-strength power cable protection pipeline, it has good heat resistance, cold resistance, ultraviolet resistance and chemical corrosion resistance, and now MPP cable tube is by extruder melt and extrusion forming processing of raw material;

[0003] Such as the utility model for grant announcement No.CN215472940U discloses a kind of extrusion forming device of cable protection pipe, including screw extruder, is provided with extrusion forming die in the output end of screw extruder, the extrusion forming die includes die sleeve and die core, the die sleeve is fixedly connected with die core by multiple connecting blocks, is provided with a cooling water channel in die core interior, the cooling water channel extends to the one end of the taper structure of die core, and in the circumferential surface of the taper structure of die core, annularly and evenly there are a plurality of atomizing heads, the atomizing head is communicated with cooling water channel, is provided with booster pump outside screw extruder, high-pressure water pipe is connected on the booster pump, the high-pressure water pipe is communicated with cooling water channel.The extrusion forming device of cable protection pipe obtained by the utility model can quickly water-cool the inner wall of the extrusion-formed cable protection pipe to ensure the rapid cooling and shaping of the cable protection pipe and improve its quality.However, the technical scheme in the application process is by funnel-shaped feed inlet to deliver raw material, and the raw material and additive are not uniformly mixed, and cable tube production plastic particles are prone to block the feed inlet, and the feeding speed cannot be accurately controlled, so that the raw material for cable tube production cannot be fully mixed and uniformly delivered to ensure the extrusion molding quality of cable tube. UTILITY MODEL CONTENT

[0004] In order to overcome the deficiencies of the prior art, the utility model provides an extrusion device for MPP cable tube production, which can solve the problem of uneven mixing of raw materials and additives by funnel-shaped feed inlet, and the problem of blockage of the feed inlet by cable tube production plastic particles, and the problem of inaccurate control of the feeding speed, so that the raw material for cable tube production cannot be fully mixed and uniformly delivered to ensure the extrusion molding quality of cable tube.

[0005] To solve the above technical problems, the utility model provides technical scheme as follows: A kind of extrusion device for MPP cable tube production, including base, the top of base is provided with extruder main body, the side of extruder main body top is inserted with feed pipe, the top of feed pipe is provided with feed hopper, the side of feed hopper top is provided with feeding opening, the middle position of feed hopper top end is provided with driving motor, the middle position of feed hopper inside top end is provided with shaft sleeve, the middle position of the inside of feed hopper is provided with shaft, the both sides of shaft are provided with stirring rod, the bottom of shaft is provided with shaft coupling, the bottom of shaft coupling is provided with discharging auger, the top of extruder main body is provided with isolation protection assembly.

[0006] As a preferred technical scheme of the utility model, the top end of the shaft penetrates the shaft sleeve and is connected to the output end of the driving motor, and the bottom end of the discharging auger extends into the inside of the feed pipe.

[0007] As a preferred technical scheme of the utility model, the stirring rod is provided with four groups, and the stirring rods are symmetrically arranged outside the shaft.

[0008] As a preferred technical scheme of the utility model, the feed pipe is in communication with the feed hopper, and the feed hopper is in communication with the feeding opening.

[0009] As a preferred technical scheme of the utility model, the isolation protection assembly includes a protective cover, the protective cover is arranged on the top of the extruder main body, the inside of the protective cover is provided with a through slot, the bottom of both ends of the inside of the protective cover is provided with a stable plugboard, and both ends of the top of the extruder main body are provided with a positioning slot.

[0010] As a preferred technical scheme of the utility model, the through slots are arranged at equal intervals inside the protective cover, the positioning slots are symmetrically arranged on the top of the extruder main body, and the stable plugboard is inserted into the inside of the positioning slot.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] 1. By arranging the mixing and discharging assembly inside the feed hopper, after the modified polypropylene plastic particles of MPP cable tube production raw materials are sent to the inside of the feed hopper through the feeding opening, the driving motor is started to drive the shaft to rotate counterclockwise and drive the stirring rod to fully mix the plastic particles and special additives, so as to ensure the extrusion molding quality of MPP cable tube, and the shaft rotates at the same time to drive the discharging auger to uniformly and continuously convey the mixed and stirred plastic particles downward through the feed pipe into the extruder main body, so as to avoid the blockage of the feed pipe by the plastic particles and affect the normal work of the extrusion device, and the practicability is strong.

[0013] 2, by setting isolation protection assembly on the top of the extruder body, in use will be stable inserted into the plug-in slot inside the plug-in slot can be positioned installed on the top of the extruder body cover, through the cover, the top of the extruder body and the device running environment is isolated, to avoid staff mis touch equipment overheating part of the injury, at the same time, the slot can also ensure the normal heat dissipation of the device during operation, thereby improving the safety protection performance of the extrusion device. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is a rear view three-dimensional structure schematic diagram of the utility model;

[0016] Figure 3 It is a feeding hopper front view partial section structure schematic diagram of the utility model;

[0017] Figure 4 It is a feeding hopper front view partial section structure schematic diagram of the utility model; Figure 1 It is a three-dimensional structure schematic diagram of the utility model;

[0018] Wherein: 1, base; 2, extruder body; 3, cover; 4, feeding hopper; 5, feeding port; 6, drive motor; 7, slot; 8, positioning slot; 9, feeding pipe; 10, discharging auger; 11, coupling; 12, stirring rod; 13, shaft sleeve; 14, rotating shaft; 15, stable plug-in board. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the following will be further described in combination with specific embodiments, but the following embodiments are only preferred embodiments of the utility model, not all. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. The experimental methods in the following embodiments are conventional methods, and the materials and reagents used in the following embodiments are commercially available unless otherwise specified. EMBODIMENT

[0020] Please refer to Figures 1-4The utility model provides an extrusion device for MPP cable pipe production, including base 1, the top of base 1 is provided with extruder main part 2, and the one side of extruder main part 2 top is inserted with feed pipe 9, and the top of feed pipe 9 is provided with feed hopper 4, and the one side of feed hopper 4 top is provided with feeding port 5, and feed pipe 9 is linked with feed hopper 4, and feed hopper 4 is linked with feeding port 5, and when producing MPP cable pipe, modified polypropylene plastic particles and special additive are sent to feed hopper 4 through feeding port 5, then are sent to extruder main part 2 in through feed pipe 9 and are fused extruded into MPP cable pipe;

[0021] As further embodiments of the present embodiment, as shown in Figure 1 、 Figure 2 and Figure 3 , a driving motor 6 is arranged at the middle position of the top end of the feed hopper 4, an axle sleeve 13 is arranged at the middle position of the top end of the inside of the feed hopper 4, a rotating shaft 14 is arranged at the middle position of the inside of the feed hopper 4, the top end of the rotating shaft 14 penetrates through the axle sleeve 13 and is connected with the output end of the driving motor 6, stirring rods 12 are arranged on both sides of the rotating shaft 14, the stirring rods 12 are arranged in four groups and are symmetrically arranged outside the rotating shaft 14, after the modified polypropylene plastic particles, which are the raw materials for producing MPP cable pipe, are sent to the inside of the feed hopper 4, the driving motor 6 is started to drive the rotating shaft 14 to rotate counterclockwise and drive the stirring rods 12 to fully stir and mix the plastic particles and special additives, so as to ensure the extrusion molding quality of the MPP cable pipe, a coupling 11 is arranged at the bottom end of the rotating shaft 14, a discharging auger 10 is arranged at the bottom end of the coupling 11, the bottom end of the discharging auger 10 extends to the inside of the feed pipe 9, and the rotating shaft 14 drives the discharging auger 10 to continuously and uniformly send the mixed and stirred plastic particles downward through the feed pipe 9 to the extruder main part 2 at the same time, so as to avoid the plastic particles from blocking the feed pipe 9 and affecting the normal work of the extrusion device;

[0022] After the modified polypropylene plastic particles, which are the raw materials for producing MPP cable pipe, are sent to the inside of the feed hopper 4 through the feeding port 5, the driving motor 6 is started to drive the rotating shaft 14 to rotate counterclockwise and drive the stirring rods 12 to fully stir and mix the plastic particles and special additives, and the rotating shaft 14 drives the discharging auger 10 to continuously and uniformly send the mixed and stirred plastic particles downward through the feed pipe 9 to the extruder main part 2 at the same time;

[0023] As further embodiments of the present embodiment, as shown in Figure 1 、 Figure 2 and Figure 4As shown, the top of the extruder body 2 is provided with an isolation protection assembly, which includes a protective cover 3 arranged at the top of the extruder body 2, and the bottom of both ends of the inner side of the protective cover 3 is provided with a stable plugboard 15, and both ends of the top of the extruder body 2 are provided with positioning slots 8, and the positioning slots 8 are symmetrically arranged at the top of the extruder body 2, and the stable plugboard 15 is inserted into the inside of the positioning slot 8, so as to achieve the purpose of positioning and installing the protective cover 3 at the top of the extruder body 2, and the protective cover 3 separates the top of the extruder body 2 from the device running environment, avoiding the injury of the worker due to accidental touch of the overheated part of the equipment, and the inside of the protective cover 3 is provided with through grooves 7 arranged at equal intervals, which can ensure normal heat dissipation during device operation, thereby improving the safety protection performance of the extrusion device.

[0024] When in use, the stable plugboard 15 is inserted into the inside of the positioning slot 8 to position and install the protective cover 3 at the top of the extruder body 2, and the protective cover 3 separates the top of the extruder body 2 from the device running environment, avoiding the injury of the worker due to accidental touch of the overheated part of the equipment, and the through grooves 7 can also ensure normal heat dissipation during device operation.

[0025] Specific working principle:

[0026] When using the extrusion device, first, the stable plugboard 15 is inserted into the inside of the positioning slot 8 to position and install the protective cover 3 at the top of the extruder body 2, and then when producing the cable tube, the modified polypropylene plastic particles and special additives are sent to the feeding hopper 4 through the feeding port 5, and after the MPP cable tube production raw material modified polypropylene plastic particles are sent to the inside of the feeding hopper 4, the driving motor 6 is started to drive the rotating shaft 14 to rotate counterclockwise and drive the stirring rod 12 to fully stir and mix the plastic particles and special additives, and the rotating shaft 14 rotates to drive the discharging auger 10 to uniformly and continuously transport the mixed and stirred plastic particles downward through the feeding pipe 9 to the extruder body 2 for melting and extrusion molding into MPP cable tube, and the protective cover 3 separates the top of the extruder body 2 from the device running environment, avoiding the injury of the worker due to accidental touch of the overheated part of the equipment, and the through grooves 7 can ensure normal heat dissipation during device operation, thereby continuously and stably performing the MPP cable tube extrusion molding operation.

[0027] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. An extrusion apparatus for producing MPP cable conduits, comprising a base (1), characterized in that: The base (1) is provided with an extruder body (2) on the top. A feed pipe (9) is inserted into one side of the top of the extruder body (2). A feed hopper (4) is provided on the top of the feed pipe (9). A feeding port (5) is provided on one side of the top of the feed hopper (4). A drive motor (6) is provided at the middle position of the top of the feed hopper (4). A bushing (13) is provided at the middle position of the top of the feed hopper (4). A rotating shaft (14) is provided at the middle position of the inside of the feed hopper (4). A stirring rod (12) is provided on both sides of the rotating shaft (14). A coupling (11) is provided at the bottom end of the rotating shaft (14). A feeding auger (10) is provided at the bottom end of the coupling (11). An isolation protection component is provided on the top of the extruder body (2).

2. An extrusion apparatus for producing MPP cable conduits according to claim 1, characterized in that: The top end of the rotating shaft (14) is connected to the output end of the drive motor (6) through the bushing (13), and the bottom end of the feeding auger (10) extends into the inside of the feed pipe (9).

3. An extrusion apparatus for producing MPP cable conduits according to claim 1, characterized in that: The stirring rods (12) are provided in four sets, and the stirring rods (12) are symmetrically arranged on the outside of the rotating shaft (14).

4. An extrusion apparatus for producing MPP cable conduits according to claim 1, characterized in that: The feed pipe (9) is connected to the feed hopper (4), and the feed hopper (4) is connected to the feeding port (5).

5. An extrusion apparatus for producing MPP cable conduits according to claim 1, characterized in that: The isolation protection component includes a protective cover (3), which is located on the top of the extruder body (2). The protective cover (3) has a through groove (7) inside, and a stabilizing insert plate (15) is provided at the bottom of both ends of the inner side of the protective cover (3). The extruder body (2) has positioning slots (8) at both ends of the top.

6. An extrusion apparatus for producing MPP cable conduits according to claim 5, characterized in that: The through slots (7) are arranged at equal intervals inside the protective cover (3), the positioning slots (8) are symmetrically arranged on the top of the extruder body (2), and the stabilizing insert (15) is inserted into the positioning slot (8).

Images