CN211441075U

CN211441075U - Feeding device of extruder for thermoplastic plastic production

Info

Publication number: CN211441075U
Application number: CN201921625579.5U
Authority: CN
Inventors: 杨新星; 吴天华
Original assignee: Zhangjiagang Meite Polymer Materials Co ltd
Current assignee: Zhangjiagang Meite Polymer Materials Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-09-08
Anticipated expiration: 2029-09-27

Abstract

The utility model is suitable for an extruder technical field provides a feeding device of extruder for thermoplastic plastic production, including the extruder body, the upper end of extruder body is fixed connection in the one end of gliding tube down, the gliding tube is inside to be provided with the preheating layer that is used for preheating the raw materials, the lower surface of gliding tube is provided with the discharge tube; through set up pivoted filter tube under between slide tube and the material loading pipe, the inside of filter tube is provided with leaks the net, can filter the collection with the debris in the raw materials, the rotation of filter tube can carry out the incessant stirring to inside raw materials, set up the screw rod simultaneously at the inner wall of filter tube, the screw rod is opposite with the rotation direction of filter tube, thereby the cooperation filter tube carries out further stirring to the raw materials, on the one hand with debris in the raw materials turn out fall the below through the inside net that leaks of filter tube and concentrate the discharge, on the other hand carries out incessant stirring with the raw materials, the heat that comes in the conduction carries out preheating in the slide tube in the below in advance.

Description

Feeding device of extruder for thermoplastic plastic production

Technical Field

The utility model belongs to the technical field of the extruder, especially, relate to a feeding device of extruder is used in thermoplastic production.

Background

The plastic forming process is one of the important plastic forming processes, and the extrusion is one of the important plastic forming processes, and the process includes the steps of heating and plasticizing the material in the barrel of plastic extruder, pushing the material forwards with screw, pressurizing the material to the head, cooling and cutting to form various products.

The inside raw materials that need preheat and filter of extruder feed arrangement on the existing market, but because whole raw materials are through the mode of gliding, whole piling up together, inside unable acceptance is preheated and is filtered.

SUMMERY OF THE UTILITY MODEL

The utility model provides a feeding device of extruder is used in thermoplastic production aims at solving the inside raw materials that needs of extruder feeding device on the existing market and preheats and filter, but because whole raw materials are through the mode of gliding, whole piling up is in the same place, inside unable accepting preheat with filterable problem.

The utility model discloses a realize like this, a feeding device of extruder for thermoplastic production, including the extruder body, the upper end fixed connection of extruder body is in the one end of gliding pipe down, the gliding pipe is inside to be provided with and to be used for carrying out the preheating layer that preheats to the raw materials, the lower surface of gliding pipe is provided with row's material pipe down, the last fixed surface of gliding pipe is connected with the rotation motor down, the other end of gliding pipe rotates and is connected with and is used for carrying out filterable filter tube to the raw materials down, the outer wall transmission of filter tube connect in rotate the output shaft of motor, the other end of filter tube rotates and is connected with the material loading pipe, the feed inlet has been seted up to the upper surface of material loading pipe, the gliding pipe down the filter tube with the inside of material loading pipe all rotates and is.

Preferably, the filter pipe comprises a shell, a discharge passage, a leakage net and a gear ring, the leakage net is arranged in the shell and fixedly connected with one end of the shell, the discharge passage is arranged between the leakage net and the shell, and the gear ring is arranged on the outer wall of one end of the shell.

Preferably, the gear ring is engaged with an output shaft of the rotating motor, and the rotating directions of the rotating motor and the screw rod are opposite.

Preferably, the screw rod consists of a power motor and a threaded rod, the power motor is fixed at the upper port of the feeding pipe, and the threaded rod is fixedly connected with an output shaft of the power motor.

Preferably, the screw rod is located inside the lower sliding pipe, the filtering pipe and the feeding pipe and is at a position which is deviated from the lower position by the axis, and the thread blade on the screw rod of the screw rod is located in the filtering pipe.

Preferably, the discharge pipe is composed of three parts, namely a collecting groove positioned in the lower sliding pipe, a valve communicated with the collecting groove and a holding cylinder at the lowest part, and the collecting groove is communicated with the discharge channel.

Preferably, two ends of the filter pipe are respectively inserted into the lower sliding pipe and the feeding pipe, and the internal space of the leakage net is communicated with the internal space of the lower sliding pipe and the internal space of the feeding pipe.

Preferably, the feeding pipe, the filtering pipe and the lower sliding pipe are all connected end to end, the feeding pipe is located at the highest end, and the lower sliding pipe is located at the lowest end.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a feed arrangement of extruder is used in thermoplastic production, through set up the pivoted filter tube under between slide pipe and the material loading pipe, the inside of filter tube is provided with leaks the net, can filter the collection with the debris in the raw materials, the rotation of filter tube can carry out ceaseless turning to the raw materials of inside, the inner wall at the filter tube sets up the screw rod simultaneously, the screw rod is opposite with the rotation direction of filter tube, thereby the cooperation filter tube carries out further turning to the raw materials, on the one hand, turn out the debris in the raw materials and fall the below through the inside net that leaks of filter tube and concentrate the discharge, on the other hand carries out ceaseless turning with the raw materials, by preheating in advance of the heat that comes in the slide pipe of below in the conduction, realize even preheating.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an external view of the present invention;

FIG. 3 is a schematic sectional view of the connection of the feeding tube, the filtering tube and the lower slide tube;

FIG. 4 is a schematic cross-sectional view of a filter tube according to the present invention;

in the figure: 1. an extruder body; 2. a down slide pipe; 3. a discharge pipe; 4. rotating the motor; 5. a filter tube; 51. a housing; 52. a discharge channel; 53. a leakage net; 54. a gear ring; 6. feeding pipes; 7. a feed inlet; 8. a screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-4, the present invention provides a technical solution: a feeding device of an extruder for producing thermoplastic plastics comprises an extruder body 1, wherein in the embodiment, the extruder body 1 is of an existing structure, only one body unit of the extruder body is shown in the figure, and the extruder body with any length can be formed by matching a plurality of body units. The upper end fixed connection of extruder body 1 is in the one end of slide pipe 2 down, the inside preheating layer that is used for preheating the raw materials that is provided with of slide pipe, the lower surface of slide pipe 2 is provided with row material pipe 3 down, the last fixed surface of slide pipe 2 is connected with rotates motor 4 down, the other end of slide pipe 2 rotates and is connected with and is used for carrying out filterable filter tube 5 to the raw materials down, the outer wall transmission of filter tube 5 is connected in the output shaft that rotates motor 4, the other end of filter tube 5 rotates and is connected with material loading pipe 6, feed inlet 7 has been seted up to material loading pipe 6's upper surface, slide pipe 2 down, the inside of filter tube 5 and material loading pipe 6 all rotates and is.

In the embodiment, when in use, firstly, the rotating motor 4 and the screw 8 are started, the rotation of the rotating motor 4 drives the gear ring 54 on the outer wall of the filtering pipe 5 to rotate through the gear of the output shaft, the gear ring 54 of the filtering pipe 5 rotates to drive the filtering pipe 5 to rotate, the rotation of the filtering pipe 5 drives the internal sieve 53 to rotate, meanwhile, the power motor in the screw 8 is started to drive the threaded rod to rotate inside the filtering pipe 5, the rotation direction is opposite to the rotation direction of the filtering pipe 5, the raw material is poured into the feeding port 7 and enters the feeding pipe 6 along the feeding port 7, slides downwards along the inner wall of the feeding pipe 6 in the inner cavity thereof, enters the filtering pipe 5, the raw material drops the impurities and the scraps thereof into the discharging channel 52 below through the rotating sieve 53, enters the discharging channel 52 into the discharging pipe 3, and enters the valve along the collecting tank, and finally, the raw materials are discharged into the containing barrel through the valve for collection, the normal raw materials are firstly rotated through the rotating leakage net 53 in the filter pipe 5 and are turned up under the driving of a thread blade on a threaded rod which is also turned reversely inside, so that the raw materials positioned below are turned over to the upper side and are turned over continuously, then the raw material waste residues which are filtered are discharged into the inner cavity of the discharge pipe 3 along the discharge channel 52 in the filter pipe 5, and simultaneously the raw materials which are filtered are discharged into the lower sliding pipe 2 along the inner cavity of the leakage net 53 and are heated through a preheating layer in the lower sliding pipe, finally enter the extruder body 1 and are processed by the extruder body 1.

Further, the filter tube 5 comprises a shell 51, a discharge passage 52, a leakage net 53 and a gear ring 54, the tubular leakage net 53 is arranged inside the shell 51 and fixedly connected with one end of the shell, the discharge passage 52 is arranged between the leakage net 53 and the shell 51, and the gear ring 54 is arranged on the outer wall of one end of the shell 51.

In this embodiment, the upper end of the strainer 53 is connected with the upper end of the shell 51, the lower end is inserted in the lower sliding pipe 2, the tubular strainer 53 is arranged to filter the sundries and the fragments in the raw materials, the problem that the quality of the final finished product is poor due to the fact that the fragments and the impurities enter the extruder body 1 to be processed is avoided, the inner space of the strainer 53 is communicated with the lower sliding pipe 2, the raw materials which are filtered are directly led into the lower sliding pipe 2 to be discharged, the discharge channel 52 is located between the shell 51 and the strainer 53 of the filtering pipe 5, the fragments and the sundries in the raw materials are filtered and collected, and directly slide down to the collecting tank of the discharging pipe 3 and enter the valve to be discharged, the gear ring 54 on the outer wall of the shell 51 is arranged to be meshed with the gear of the output shaft of the rotating motor 4 to rotate, and the rotation of the whole.

Further, the gear ring 54 is engaged with the output shaft of the rotating motor 4, and the rotating direction of the rotating motor 4 and the screw 8 is opposite.

In this embodiment, the gear ring 54 cooperates with the gear of the output shaft of the rotating motor 4, so that the rotation of the rotating motor 4 drives the filter tube 5 to rotate, the two ends of the filter tube 5 respectively rotate on the lower sliding tube 2 and the feeding tube 6, thereby driving the internal raw material to turn continuously, on one hand, the internal scraps or impurities can be scattered below, on the other hand, the internal and external raw materials are turned over mutually, the internal raw material is turned outside and the external raw material is turned inside, and simultaneously, the internal raw material is preheated in advance by the heat conducted in the lower sliding tube below, so as to achieve the purpose of uniform preheating, the rotating motor 4 drives the rotating direction of the filter tube 5 to be opposite to the rotating direction of the screw 8 inside the filter tube 5, that is, the screw 8 turns the raw material below the inner wall of the filter tube 5 inside the filter tube 5 continuously, so that the raw materials are mixed more, the impurity removal is more convenient.

Further, the screw 8 is composed of a power motor and a threaded rod, the power motor is fixed at the upper port of the feeding pipe 6, and the threaded rod is fixedly connected with an output shaft of the power motor; the screw 8 is positioned in the lower sliding pipe 2, the filtering pipe 5 and the feeding pipe 6 and is at a position which is lower than the axial center, and the thread blade on the threaded rod of the screw 8 is positioned in the filtering pipe 5.

In this embodiment, power motor's circular telegram is rotated and is driven the threaded rod through the output shaft and rotate, the part is provided with the screw thread leaf on the threaded rod, the screw thread leaf is used for turning the raw materials, the screw thread leaf is in filter tube 5, turn the inside raw materials of strainer 53 in filter tube 5 promptly, make the abundant scattering of raw materials, the edulcoration of being convenient for and preheating in advance, screw rod 8 is located the position that 5 axle centers of filter tube are inclined to the lower, be fit for more turning over on the raw materials that will be located the inside lower surface of strainer 53, it is better to make whole raw materials all turn over the edulcoration effect.

Further, the discharge pipe 3 is composed of three parts, namely a collecting tank located inside the lower slide pipe 2, a valve communicated with the collecting tank, and a lowermost containing cylinder, wherein the collecting tank is communicated with the discharge passage 52.

In this embodiment, the collection trough of discharge tube 3 interfaces with discharge channel 52 in filter tube 5 to receive debris and debris that falls from discharge channel 52 into the collection trough, which then passes into the valve and into the canister where it is collected.

Furthermore, two ends of the filter pipe 5 are respectively inserted into the lower sliding pipe 2 and the upper material pipe 6, and the internal space of the strainer 53 is communicated with the internal spaces of the lower sliding pipe 2 and the upper material pipe 6; the feeding pipe 6, the filter pipe 5 and the lower sliding pipe 2 are all connected end to end, the feeding pipe 6 is located at the highest end, and the lower sliding pipe 2 is located at the lowest end.

In this embodiment, the raw material firstly enters the feeding pipe 6 through the feeding port, and enters the filtering pipe 5 along the feeding pipe 6, then enters the lower sliding pipe 2 from the filtering pipe 5, and finally enters the extruder body 1 through the lower sliding pipe 2 to be processed, the raw material slides down on the inner wall through the self gravity in the feeding pipe 6 and the lower sliding pipe 2, the raw material cannot slide down under the action of self weight in the filtering pipe 5 due to the existence of the screen 53, but is guided into the lower part under the action of the thread blade of the internal screw 8, the inside of the screen 53 is communicated with the inside of the lower sliding pipe 2 and the feeding pipe 6, so as to ensure the smooth transmission of the whole raw material.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a feed arrangement of extruder for thermoplastic production which characterized in that: comprises an extruder body (1), the upper end of the extruder body (1) is fixedly connected with one end of a lower sliding pipe (2), a preheating layer for preheating the raw materials is arranged in the lower sliding pipe, a discharging pipe (3) is arranged on the lower surface of the lower sliding pipe (2), the upper surface of the lower sliding pipe (2) is fixedly connected with a rotating motor (4), the other end of the lower sliding pipe (2) is rotatably connected with a filtering pipe (5) for filtering raw materials, the outer wall of the filter pipe (5) is connected with the output shaft of the rotating motor (4) in a transmission way, the other end of the filter pipe (5) is rotatably connected with a feeding pipe (6), the upper surface of the feeding pipe (6) is provided with a feeding hole (7), the insides of the lower sliding pipe (2), the filtering pipe (5) and the feeding pipe (6) are all rotatably connected with screw rods (8).

2. The feeding device of an extruder for producing thermoplastics according to claim 1, wherein: the filter pipe (5) comprises an outer shell (51), a discharge passage (52), a leakage net (53) and a gear ring (54), the outer shell (51) is internally provided with a tubular leakage net (53) and one end of the leakage net is fixedly connected with the leakage net (53), the leakage net (53) and the outer shell (51) are provided with the discharge passage (52), and the outer wall of one end of the outer shell (51) is provided with the gear ring (54).

3. The feeding device of an extruder for producing thermoplastics according to claim 2, wherein: the gear ring (54) is meshed with an output shaft of the rotating motor (4), and the rotating directions of the filter pipe (5) and the screw rod (8) are opposite.

4. The feeding device of an extruder for producing thermoplastics according to claim 1, wherein: the screw rod (8) is composed of a power motor and a threaded rod, the power motor is fixed at the upper end opening of the feeding pipe (6), and the threaded rod is fixedly connected with an output shaft of the power motor.

5. The feeding device of an extruder for producing thermoplastics according to claim 4, wherein: the screw rod (8) is positioned in the lower sliding pipe (2), the filtering pipe (5) and the feeding pipe (6) and is at a position which is deviated from the lower position by the axis, and a thread blade on a threaded rod of the screw rod (8) is positioned in the filtering pipe (5).

6. The feeding device of an extruder for producing thermoplastics according to claim 2, wherein: the discharging pipe (3) consists of three parts, namely a collecting tank positioned in the lower sliding pipe (2), a valve communicated with the collecting tank and a containing barrel at the lowest part, wherein the collecting tank is communicated with the discharging channel (52).

7. The feeding device of an extruder for producing thermoplastics according to claim 2, wherein: two ends of the filter pipe (5) are respectively inserted into the lower sliding pipe (2) and the upper material pipe (6), and the inner space of the leakage net (53) is communicated with the inner parts of the lower sliding pipe (2) and the upper material pipe (6).

8. The feeding device of an extruder for producing thermoplastics according to claim 1, wherein: the feeding pipe (6), the filter pipe (5) and the lower sliding pipe (2) are all connected end to end, the feeding pipe (6) is located at the highest end, and the lower sliding pipe (2) is located at the lowest end.