CN220075507U

CN220075507U - Feeding device of plastic extruder

Info

Publication number: CN220075507U
Application number: CN202321376135.9U
Authority: CN
Inventors: 阮智根
Original assignee: Linyi Hulong Agricultural Machinery Co ltd
Current assignee: Linyi Hulong Agricultural Machinery Co ltd
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-11-24
Anticipated expiration: 2033-05-30

Abstract

The utility model provides a feeding device of a plastic extruder, which relates to the technical field of extruders and comprises: the rose box, the bottom welding of rose box has the heating cabinet, the feed opening has been seted up to the bottom of rose box, the heating chamber has been seted up at the heating cabinet top, and the heating chamber is linked together with the feed opening to the lower part of heating chamber is the toper structure, the discharge gate has been seted up to the bottom of heating chamber, the interior table wall fixed mounting of feed opening has the mounting bracket, the fixed transportation motor that inserts in top of mounting bracket, the bottom fixed mounting of mounting bracket has the threaded rod, for current device, the device has reduced the hardness of plastics raw materials through the mode of preheating, lets plastics raw materials be extruded more easily, utilizes screw drive's principle simultaneously can be evenly with carrying into twin-screw extruder in, when improving the quality of finished product, even transportation also can guarantee that twin-screw extruder is inside does not break the material.

Description

Feeding device of plastic extruder

Technical Field

The utility model relates to the technical field of extruders, in particular to a feeding device of a plastic extruder.

Background

The screw extruder is based on the pressure and shearing force generated by screw rotation, so that materials can be fully plasticized and uniformly mixed, and the plastic extruder can be basically classified into a double-screw extruder, a single-screw extruder, a few multi-screw extruders and a screw-free extruder through die molding.

Currently, as disclosed in chinese patent application No. CN218342784U, a feeding device of a plastic extruder is disclosed, through setting up the first subassembly that opens and shuts, through the rotation of first rotating plate, drive first connecting block one end and rotate, the other end of first connecting block can drive the pushing splint and rotate, the pushing splint can pull reset spring, make clamping plate and pushing splint do reverse motion, thereby open the loading hopper, can make also realize opening and shutting to the loading hopper on the right side of loading hopper through setting up the second subassembly that opens and shuts, cooperate with each other with left first subassembly that opens and shuts, through setting up pushing splint and left splint fixed connection, clamping plate and right splint fixed connection, make pushing splint and clamping plate drive left splint and right splint rotation.

Although the above patent is provided with the pushing clamping plate fixedly connected with the left clamping plate, and the clamping plate is fixedly connected with the right clamping plate, so that the pushing clamping plate and the clamping plate drive the left clamping plate and the right clamping plate to rotate, and the feeding device has the function of timing and quantitative feeding, the device has the defects that for example, the device only directly feeds materials into the extruder at regular time and quantitative, the temperature of the fed materials is basically in a normal temperature state, and the materials are likely to be heated in the extruder because of insufficient time, so that the quality of the formed materials is poor, and a novel feeding device of a plastic extruder is required to be provided.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, materials are only directly conveyed into an extruder at regular time and quantity, so that the temperature of the conveyed materials is basically in a normal temperature state, and the formed materials are very likely to be poor in quality due to insufficient heating time in the extruder, and the materials are preheated by the heating chamber and then conveyed into the extruder, so that the problems in the prior art are solved.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: a charging device for a plastic extruder, comprising: the filter cabinet, the bottom welding of filter cabinet has the heating cabinet, the feed opening has been seted up to the bottom of filter cabinet, the heating chamber has been seted up at the heating cabinet top, and the heating chamber is linked together with the feed opening to the lower part of heating chamber is the toper structure, the discharge gate has been seted up to the bottom of heating chamber, the interior table wall fixed mounting of feed opening has the mounting bracket, the top fixed cartridge of mounting bracket has the transportation motor, the bottom fixed mounting of mounting bracket has the threaded rod, and the top of threaded rod and the output fixed connection of transportation motor to the interior table wall at the discharge gate is inserted to the outward appearance wall activity of threaded rod, the installation room has been seted up to the inside of heating cabinet, the interior table wall of installation room is provided with the heater strip, the outer wall both ends fixed mounting of heater strip has the heater.

Preferably, the top of rose box is fixed to be linked together and is had the funnel, is convenient for improve the area of rose box pan feeding mouth, lets the plastics raw materials enter into the rose box more easily.

Preferably, the inner wall both sides of rose box are all fixed mounting has the filtration frame, two the interior table wall activity of filtration frame is inserted and is equipped with the filter frame, the interior table wall fixed mounting of filter frame has the filter screen, the outer wall one side fixed mounting of filter frame has the handle, is convenient for filter great plastics raw materials, prevents that great plastics raw materials from entering into in the heating chamber and lets the heating chamber cause the jam.

Preferably, the positive surface fixed mounting of rose box has the support frame, the top fixed mounting of support frame has vibrating motor, is convenient for shake the less plastics raw materials of card on the filter screen through the mode of vibration.

Preferably, the back surface of the filter box is fixedly inserted with a stirring motor, the inner surface wall of the filter box is movably inserted with a rotating shaft, one end of the outer wall of the rotating shaft is fixedly connected with the output end of the stirring motor, and the outer surface wall of the rotating shaft is fixedly sleeved with a plurality of stirring paddles so as to facilitate breaking of larger plastic raw materials through the stirring paddles.

Preferably, the fixed cover of outward appearance wall of transportation motor is equipped with the protective housing, and the bottom and the fixed connection of mounting bracket of protective housing, the transportation motor of being convenient for protection prevents that transportation motor from being pounded by plastic raw materials, causes the damage.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the discharge hole at the bottom of the heating box is communicated with the feed inlet of the double-screw extruder, then the plastic raw material enters the heating box through the feed inlet of the filtering box, the heater is started to increase the temperature of the heating wire, then the high temperature of the heating wire is utilized to increase the temperature of the heating chamber, so that the effect of heating the plastic raw material is achieved, the hardness of the plastic raw material can be reduced after the plastic raw material is heated, the transportation motor is started to rotate the threaded rod according to the slope structure at the bottom of the heating chamber after the plastic raw material is attached to the threaded rod, the plastic raw material is extruded and uniformly conveyed into the double-screw extruder through the discharge hole by utilizing the principle of thread transmission, and compared with the prior device, the device reduces the hardness of the plastic raw material in a preheating mode, so that the plastic raw material is easier to be extruded, simultaneously, the plastic raw material can be uniformly conveyed into the double-screw extruder by utilizing the principle of thread transmission, the quality of a finished product is improved, and meanwhile, the uniform transportation can also ensure continuous material inside the double-screw extruder.

2. According to the utility model, the range of the feed inlet of the filter box is increased by utilizing the expansion effect of the funnel, so that plastic raw materials are prevented from being spilled out of the device, then the plastic raw materials falling into the filter box are firstly smashed into smaller particles by the smashing paddles and fall on the filter screen, the larger plastic raw materials which are not smashed stay on the filter screen, the smaller plastic raw materials pass through the filter screen and enter the heating chamber through the feed inlet, if the smaller plastic raw materials stay on the filter screen and do not fall, the vibration motor can be started to drive the filter box to vibrate, the filtering efficiency is enhanced, the small plastic raw materials which stay on the filter screen fall due to impact force generated by vibration, in the process of falling of the plastic raw materials, if the plastic raw materials are above the transportation motor, the plastic raw materials are blocked by the protective shell, the transportation motor is prevented from being smashed to cause damage by the plastic raw materials, and the service life of the transportation motor is prolonged.

Drawings

FIG. 1 is a perspective view of a front view of a plastic extruder feeding device according to the present utility model;

FIG. 2 is a perspective view showing the internal sectional structure of the whole device in the feeding device of the plastic extruder;

FIG. 3 is a perspective view showing the structure of a filter frame portion and an installation chamber in a cross section in a feeding device of a plastic extruder according to the present utility model;

fig. 4 is a perspective view showing the internal cross-sectional structure of a filter box part in a feeding device of a plastic extruder according to the present utility model.

Legend description: 1. a filter box; 2. a heating box; 3. a material opening; 4. a heating chamber; 5. a discharge port; 6. a mounting frame; 7. a transport motor; 8. a threaded rod; 9. a mounting chamber; 10. a heating wire; 11. a heater; 12. a funnel; 13. a filter frame; 14. a filter frame; 15. a filter screen; 16. a handle; 17. a support frame; 18. a vibration motor; 19. a stirring motor; 20. a rotating shaft; 21. crushing paddles; 22. and a protective shell.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, without conflict, the embodiments of the present utility model and features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

Embodiment 1 as shown in fig. 2 to 3, the present utility model provides a feeding device of a plastic extruder, comprising; the filter cabinet 1, the bottom welding of filter cabinet 1 has heating cabinet 2, the feed through mouth 3 has been seted up to the bottom of filter cabinet 1, heating chamber 4 has been seted up at heating cabinet 2 top, and heating chamber 4 is linked together with feed through mouth 3, and the lower part of heating chamber 4 is the toper structure, discharge gate 5 has been seted up to the bottom of heating chamber 4, interior table wall fixed mounting of feed through mouth 3 has mounting bracket 6, transport motor 7 has been fixedly inserted at the top of mounting bracket 6, the bottom fixed mounting of mounting bracket 6 has threaded rod 8, and the top and the output fixed connection of transport motor 7 of threaded rod 8, and the outward appearance wall activity of threaded rod 8 is inserted and is established at the interior table wall of discharge gate 5, installation room 9 has been seted up to the inside of heating cabinet 2, the interior table wall of installation room 9 is provided with heater strip 10, heater 11 is fixedly mounted at the outer wall both ends of heater strip 10.

The effect that its whole embodiment 1 reaches is, communicate the discharge gate 5 of heating cabinet 2 bottom with the pan feeding mouth of twin-screw extruder, then enter into the heating cabinet 2 with the plastics raw materials through the pan feeding mouth 3 of rose box 1 in, start heater 11 and improve the temperature of heater wire 10, then utilize the high temperature of heater wire 10 to improve the temperature of heating chamber 4, thereby reach the effect of heating the plastics raw materials, and after the plastics raw materials heats, self hardness can drop, laminate with threaded rod 8 according to the slope structure of heating chamber 4 bottom, start transport motor 7 rotatory threaded rod 8, utilize the principle of screw drive to extrude the plastics raw materials and evenly carry into twin-screw extruder through discharge gate 5.

In the embodiment 2, as shown in fig. 1-4, the top of the filter box 1 is fixedly connected with a funnel 12, both sides of the inner wall of the filter box 1 are fixedly provided with filter frames 13, the inner surface walls of the two filter frames 13 are movably inserted with filter frames 14, the inner surface walls of the filter frames 14 are fixedly provided with filter screens 15, one side of the outer wall of each filter frame 14 is fixedly provided with a handle 16, the front surface of the filter box 1 is fixedly provided with a support frame 17, the top of the support frame 17 is fixedly provided with a vibrating motor 18, the back surface of the filter box 1 is fixedly inserted with a stirring motor 19, the inner surface wall of the filter box 1 is movably inserted with a rotating shaft 20, one end of the outer wall of the rotating shaft 20 is fixedly connected with the output end of the stirring motor 19, the outer surface wall of the rotating shaft 20 is fixedly sleeved with a plurality of stirring paddles 21, the outer surface wall of the transporting motor 7 is fixedly sleeved with a protecting shell 22, and the bottom of the protecting shell 22 is fixedly connected with the mounting frame 6.

The effect that its whole embodiment 2 reached is, utilize the expansion effect of funnel 12 to improve the pan feeding mouth scope of rose box 1, prevent that the plastics raw materials from spilling outside the device, then fall into the plastics raw materials of rose box 1 and can be smashed into less granule by mashing paddle 21 at first, then drop on filter screen 15, the bigger plastics raw materials that is not smashed then can stay on filter screen 15, little plastics raw materials then pass filter screen 15, enter into heating chamber 4 through feed through mouth 3, if there is little plastics raw materials to stay on filter screen 15 and not drop, can start vibrating motor 18 and drive rose box 1 and vibrate, strengthen filtration efficiency, and the less plastics raw materials that stays on filter screen 15 then can drop because of vibration produces impact force, in the in-process that the plastics raw materials dropped, if there is plastics raw materials in the top of transporting motor 7, can be blocked by protective housing 22, prevent transporting motor 7 by plastics raw materials to pound and cause the damage, improve transporting motor 7's life-span.

The working principle of the whole device is as follows: the heating box 2 is arranged at the material conveying port of the extruder, the material outlet 5 is aligned with the material conveying port, a plurality of electric appliances are started, firstly, the stirring motor 19 is started to drive the rotating shaft 20 and the stirring paddles 21 to rotate, then the vibrating motor 18 is started to drive the filtering box 1 to vibrate, finally, the heater 11 is started to drive the heating wire 10 to heat, after all starting is completed, plastic raw materials are poured into the filtering box 1 through the hopper 12, when the plastic raw materials enter the filtering box 1, the stirring paddles 21 which are rotated are broken into smaller particles and fall on the filtering screen 15, if the small plastic raw materials are clamped on the top of the filtering screen 15, the plastic raw materials are assisted to fall through the filtering screen 15 due to the impact force generated by the vibration of the vibrating motor 18, and the plastic raw materials passing through the filtering screen 15 enter the heating chamber 4 of the heating box 2 through the material inlet 3, in the filtering process, larger particles can not stay on the filter screen 15 all the time, if cleaning is needed, after all the electric appliances are stopped, the handle 16 can be held to draw the filter frame 14 out of the filter frame 13, then the large plastic raw materials on the filter screen 15 are cleaned, in the falling process of the small plastic raw materials, the transportation motor 7 can be protected from being smashed by the plastic raw materials due to the arrangement of the protective shell 22, the temperature of the heating chamber 4 can be increased due to the heating of the heating wire 10, the plastic raw materials can reduce the hardness of the heating chamber 4 due to the high temperature of the heating chamber 4, the plastic raw materials approach the threaded rod 8 through the conical structure at the bottom of the heating chamber 4, when the plastic raw materials in the heating chamber 4 are enough, the transportation motor 7 on the mounting frame 6 is started to drive the threaded rod 8 to rotate, and the plastic raw materials in the heating chamber 4 are uniformly conveyed into the extruder through the discharge port 5 by the screw thread transmission principle.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. A feeding device of a plastic extruder, which is characterized in that: including rose box (1), the bottom welding of rose box (1) has heating cabinet (2), feed through mouth (3) have been seted up to the bottom of rose box (1), heating chamber (4) have been seted up at heating cabinet (2) top, and heating chamber (4) are linked together with feed through mouth (3) to the lower part of heating chamber (4) is conical structure, discharge gate (5) have been seted up to the bottom of heating chamber (4), interior table wall fixed mounting of feed through mouth (3) has mounting bracket (6), the fixed cartridge in top of mounting bracket (6) has transportation motor (7), the bottom fixed mounting of mounting bracket (6) has threaded rod (8), and the top and the output fixed connection of transportation motor (7) of threaded rod (8) to the interior table wall activity cartridge of threaded rod (8) is at discharge gate (5), install room (9) in the inside of heating cabinet (2), the interior table wall of install heater strip (10), heater (11) are installed at the both ends of heater strip (10).

2. A feeding device for a plastic extruder according to claim 1, wherein: the top of the filter box (1) is fixedly communicated with a funnel (12).

3. A feeding device for a plastic extruder according to claim 1, wherein: the filter box comprises a filter box body and is characterized in that a filter frame (13) is fixedly installed on two sides of the inner wall of the filter box body (1), a filter frame (14) is movably inserted into the inner surface wall of the filter frame (13), a filter screen (15) is fixedly installed on the inner surface wall of the filter frame (14), and a handle (16) is fixedly installed on one side of the outer wall of the filter frame (14).

4. A feeding device for a plastic extruder according to claim 1, wherein: the front surface of the filter box (1) is fixedly provided with a support frame (17), and the top of the support frame (17) is fixedly provided with a vibration motor (18).

5. A feeding device for a plastic extruder according to claim 1, wherein: the stirring device is characterized in that a stirring motor (19) is fixedly inserted into the back surface of the filter box (1), a rotating shaft (20) is movably inserted into the inner surface wall of the filter box (1), one end of the outer wall of the rotating shaft (20) is fixedly connected with the output end of the stirring motor (19), and a plurality of stirring paddles (21) are fixedly sleeved on the outer surface wall of the rotating shaft (20).

6. A feeding device for a plastic extruder according to claim 1, wherein: the outer surface wall of the transportation motor (7) is fixedly sleeved with a protective shell (22), and the bottom of the protective shell (22) is fixedly connected with the mounting frame (6).