CN111452330A

CN111452330A - Plastic extruder

Info

Publication number: CN111452330A
Application number: CN202010282217.1A
Authority: CN
Inventors: 孙丽华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-11
Filing date: 2020-04-11
Publication date: 2020-07-28

Abstract

The invention discloses a plastic extruder, which comprises a base, a machine box body, a transmission case, a hopper, a plastic extruding device, an automatic residue filtering mechanism and an extrusion die head, wherein the plastic extruding device is arranged, and a fan blows a cast aluminum heater, so that the outer cylinder is uniformly heated, plastic particles are uniformly fluidized, and the existence of raw material inclusion is effectively avoided; by arranging the automatic residue filtering mechanism, the miniature motor drives the worm to rotate through the speed reducer, the residue filtering disc rotates under the driving of the worm, and the scraper can scrape off the material residues on the residue filtering disc and discharge the material residues through the residue outlet, so that the automatic residue filtering function is achieved, the labor intensity of manpower is effectively reduced, and the cleaning effect of the residue filtering disc is improved; through setting up the filter residue dish, can guarantee that the filter residue dish carries out the filter residue to plastics, can realize the scarfing cinder of filter residue dish self again.

Description

Plastic extruder

Technical Field

The invention relates to the technical field of extruders, in particular to a plastic extruder.

Background

The extruder belongs to one of the types of plastic machinery, originates from 18 th century, can divide the aircraft nose into right angle aircraft nose and bevel nose etc. according to aircraft nose material flow direction and the contained angle of screw rod central line, and the screw extruder relies on pressure and the shearing force that the screw rod rotation produced, can make the material fully carry out plastify and evenly mix, through the bush shaping.

Because there is certain passageway on the extruder urceolus, when heating the urceolus, because of the irregular flow of air causes the urceolus to be heated inhomogeneous to make the extruder press from both sides the raw material appear when heating, current extruder filter need regularly clear up, the condition of jam appears in addition.

To this end, a plastic extruder is proposed.

Disclosure of Invention

The invention aims to provide a plastic extruder, which aims to solve the problems that when an outer barrel is heated, the outer barrel is heated unevenly due to irregular air flow, raw materials are clamped in the extruder when the extruder is heated, an existing extruder filter needs to be cleaned regularly, and blockage is easy to occur.

In order to achieve the purpose, the invention provides the following technical scheme: a plastic extruder comprises a base, a case body, a transmission case, a hopper, a plastic extruding device, an automatic residue filtering mechanism and an extruding die head, wherein the case body is arranged on the base through bolts; the transmission case is arranged on one side of the case body and is arranged on the base through a bolt; the hopper is arranged on the plastic extrusion device through a bolt, and the plastic extrusion device is fixed on the machine box body through a bolt and is in transmission connection with the transmission case; the automatic residue filtering mechanism is arranged at one end of the plastic extruding device, which is far away from the transmission case; the extrusion die head is arranged on one side of the automatic residue filtering mechanism.

Preferably, the plastic extrusion device comprises an outer cylinder, a screw, a cast aluminum heater and a blower, wherein the screw is arranged inside the outer cylinder; the plurality of cast aluminum heaters are arranged outside the outer cylinder; the air blower is connected with the cast aluminum heater in a matched mode, and blows air to the cast aluminum heater through the air blower, so that the outer barrel is heated uniformly, plastic particles are fluidized uniformly, and the existence of raw material clamping is avoided effectively.

Preferably, the automatic residue filtering mechanism comprises a shell, a micro motor, a speed reducer, a worm, a residue filtering disc, a scraping plate and a residue outlet, wherein two sides of the shell are respectively fixed with the outer cylinder and the extrusion die head through bolts; the micro motor is connected with the worm through a speed reducer; the filter residue disc is connected with the shell through a shaft; the scraper is arranged on one side of the filter residue disc and is fixed with the shell through bolts; the slag notch fix the one side in the shell bottom, this slag notch and shell inner chamber intercommunication, micro motor passes through the speed reducer and drives the worm and rotate, and the filter residue dish rotates under the drive of worm, and the scraper blade can scrape the material sediment on the filter residue dish and fall to discharge through the slag notch, in order to reach self-cleaning's function, the effectual manpower intensity of labour that has reduced has improved filter residue dish clearance effect.

Preferably, the outer part of the filter residue disc is provided with teeth, and the filter residue disc is meshed with the worm; one end of the worm is connected with the speed reducer in a matching mode, the other end of the worm is fixed with the shell through the bearing with the seat, the worm drives the filter residue disc to rotate, and automatic slag removal of the filter residue disc is achieved.

Preferably, the central axis of the screw coincides with the middle point of the radius of the residue filtering disc; a of the filter residue disc corresponds to the outer cylinder, so that filter residue of plastics can be filtered by the filter residue disc, and the filter residue disc can clean residues.

Compared with the prior art, the invention has the beneficial effects that:

1. According to the invention, the plastic extrusion device is arranged, and the air blower blows the cast aluminum heater, so that the outer cylinder is uniformly heated, plastic particles are uniformly fluidized, and the existence of raw material inclusion is effectively avoided;

2. According to the automatic slag removing device, the automatic slag removing mechanism is arranged, the miniature motor drives the worm to rotate through the speed reducer, the filter residue disc rotates under the driving of the worm, the scraper can scrape off material slag on the filter residue disc and discharge the material slag through the slag outlet, so that the automatic slag removing function is achieved, the labor intensity of manpower is effectively reduced, and the cleaning effect of the filter residue disc is improved;

3. According to the invention, the filter disc is arranged, so that the filter disc can filter the plastic, and the filter disc can remove the slag.

Drawings

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

FIG. 2 is a schematic structural view of a plastic extrusion apparatus according to the present invention;

Fig. 3 is a schematic structural diagram of the automatic residue filtering mechanism of the present invention.

In the figure: 1. a base; 2. a case body; 3. a transmission case; 4. a hopper; 5. a plastic extrusion device; 51. an outer cylinder; 52. a screw; 53. a cast aluminum heater; 54. a blower; 6. an automatic residue filtering mechanism; 61. a housing; 62. a micro motor; 63. a speed reducer; 64. a worm; 65. a slag filtering disc; 66. a squeegee; 67. a slag outlet; 7. an extrusion die.

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: a plastic extruder is shown in figures 1 and 3 and comprises a base 1, a case body 2, a transmission case 3, a hopper 4, a plastic extruding device 5, an automatic residue filtering mechanism 6 and an extruding die head 7, wherein the case body 2 is arranged on the base 1 through bolts; the transmission case 3 is arranged on one side of the case body 2 and is arranged on the base 1 through bolts; the hopper 4 is arranged on a plastic extrusion device 5 through a bolt, and the plastic extrusion device 5 is fixed on the machine box body 2 through a bolt and is in transmission connection with the transmission case 3; the automatic residue filtering mechanism 6 is arranged at one end of the plastic extruding device 5 far away from the transmission case 3; and the extrusion die head 7 is arranged on one side of the automatic residue filtering mechanism 6.

Specifically, as shown in fig. 2, the plastic extrusion device 5 includes an outer cylinder 51, a screw 52, a cast aluminum heater 53 and a blower 54, wherein the screw 52 is disposed inside the outer cylinder 51; a plurality of cast aluminum heaters 53 are arranged outside the outer cylinder 51; the blower 54 is connected with the cast aluminum heater 53 in a matching way.

By adopting the technical scheme, the blower 54 blows air to the cast aluminum heater 53, so that the outer cylinder 51 is uniformly heated, plastic particles are uniformly fluidized, and the existence of raw material inclusion is effectively avoided.

Specifically, as shown in fig. 3, the automatic residue filtering mechanism 6 includes a housing 61, a micro motor 62, a speed reducer 63, a worm 64, a residue filtering disc 65, a scraper 66 and a residue outlet 67, wherein two sides of the housing 61 are respectively fixed with the outer cylinder 51 and the extrusion die head 7 through bolts; the micro motor 62 is connected with a worm 64 through a speed reducer 63; the residue filtering disc 65 is connected with the shell 61 through a shaft; the scraping plate 66 is arranged on one side of the residue filtering disc 65 and is fixed with the shell 61 through bolts; the slag outlet 67 is fixed on one side of the bottom of the shell 61, and the slag outlet 67 is communicated with the inner cavity of the shell 61.

Through adopting above-mentioned technical scheme, micro motor 62 passes through speed reducer 63 and drives worm 64 and rotate, and filter residue dish 65 is rotatory under the drive of worm 64, and scraper blade 66 can scrape the material sediment on filter residue dish 65 and fall to discharge through slag notch 67, in order to reach automatic slag removal's function, the effectual manpower intensity of labour that has reduced has improved filter residue dish 65 clearance effect.

Specifically, as shown in fig. 3, teeth are arranged outside the residue filtering disc 65, and the residue filtering disc 65 is engaged with the worm 64; one end of the worm 64 is connected with the speed reducer 63 in a matching way, and the other end of the worm is fixed with the shell 61 through a bearing with a seat.

By adopting the technical scheme, the worm 64 drives the filter residue disc 65 to rotate, and automatic slag removal of the filter residue disc 65 is realized.

Specifically, as shown in fig. 3, the central axis of the screw 52 coincides with the middle point of the radius of the residue filtering disc 65; the A of the filter residue disc 65 is the position corresponding to the outer cylinder 51.

Through adopting above-mentioned technical scheme, can guarantee that filter disc 65 carries out the filter residue to plastics, can realize the scarfing cinder of filter disc 65 self again.

The working principle is as follows: when the device is used, the transmission case 3 provides rotary power for the screw 52, the cast aluminum heater 53 heats the outer cylinder 51 so as to facilitate fluidization of plastic particles, and the blower 54 blows air to the cast aluminum heater 53 so as to ensure uniform heating in the outer cylinder 51 and uniform fluidization of the plastic particles, thereby effectively avoiding existence of raw material; under the screw rod 52 is rotatory, the hot plastics that are fluidized pass through automatic filter residue mechanism 6 and get into extrusion die 7 to realize the plastics wire drawing, micro motor 62 drives worm 64 through speed reducer 63 and rotates, and filter residue dish 65 is rotatory under the drive of worm 64, and scraper blade 66 can scrape the material sediment on the filter residue dish 65 and fall, and discharge through slag notch 67, in order to reach automatic slag removal's function, the effectual manpower intensity of labour that has reduced, has improved filter residue dish 65 cleaning effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A plastic extruder is characterized in that: the automatic slag filtering device comprises a base (1), a machine box body (2), a transmission case (3), a hopper (4), a plastic extruding device (5), an automatic slag filtering mechanism (6) and an extruding die head (7), wherein the machine box body (2) is arranged on the base (1) through bolts; the transmission case (3) is arranged on one side of the case body (2) and is installed on the base (1) through bolts; the hopper (4) is arranged on the plastic extrusion device (5) through a bolt, and the plastic extrusion device (5) is fixed on the machine box body (2) through a bolt and is in transmission connection with the transmission case (3); the automatic residue filtering mechanism (6) is arranged at one end of the plastic extruding device (5) far away from the transmission case (3); the extrusion die head (7) is arranged on one side of the automatic residue filtering mechanism (6).

2. A plastic extruder as claimed in claim 1, wherein: the plastic extrusion device (5) comprises an outer cylinder (51), a screw (52), a cast aluminum heater (53) and a blower (54), wherein the screw (52) is arranged in the outer cylinder (51); a plurality of cast aluminum heaters (53) are arranged outside the outer cylinder (51); the blower (54) is matched and connected with the cast aluminum heater (53).

3. A plastic extruder as claimed in claim 1, wherein: the automatic residue filtering mechanism (6) comprises a shell (61), a micro motor (62), a speed reducer (63), a worm (64), a residue filtering disc (65), a scraper (66) and a residue outlet (67), wherein two sides of the shell (61) are respectively fixed with an outer cylinder (51) and an extrusion die head (7) through bolts; the micro motor (62) is connected with the worm (64) through a speed reducer (63); the filter residue disc (65) is connected with the shell (61) through a shaft; the scraping plate (66) is arranged on one side of the filter residue disc (65) and is fixed with the shell (61) through bolts; the slag outlet (67) is fixed on one side of the bottom of the shell (61), and the slag outlet (67) is communicated with the inner cavity of the shell (61).

4. A plastic extruder as claimed in claim 3, wherein: teeth are arranged outside the filter residue disc (65), and the filter residue disc (65) is meshed with the worm (64); one end of the worm (64) is connected with the speed reducer (63) in a matching way, and the other end of the worm is fixed with the shell (61) through a bearing with a seat.

5. A plastic extruder as claimed in claim 2, wherein: the central axis of the screw rod (52) is superposed with the middle point of the radius of the filter residue disc (65); a of the filter residue disc (65) is a position corresponding to the outer cylinder (51).