Vibrating screen of extruder

Abstract

The vibrating screen comprises a screening tank, and the lower end of the screening tank is fixedly connected with an air pump. The screening tank comprises a tank body, a discharging plate is fixedly connected to the upper portion of the interior of the tank body, a lower end opening of a through hole in the discharging plate is fixedly connected and communicated with a threaded pipe, a pipe body of the lower middle portion of the threaded pipe sequentially penetrates through a material sliding plate, a first fine filter screen plate and a second fine filter screen plate downwards, and the lower end of the pipe body is fixedly connected to the surface of a material plate on the lower portion of the interior of the tank body. Air holes corresponding to the threaded pipes are formed in the surface of the lower material plate in the tank body, an air pipe is fixedly connected to the bottom surface, an air pump is fixedly connected to a lower port of the tank body, and an air port of the air pump is communicated with the air pipe; by means of the arrangement, low-noise screening of materials can be rapidly achieved in cooperation with wind power and the spiral centrifugal effect, the overall structural design is simple, main screening equipment is low in cost and not prone to damage, the configuration cost can be greatly reduced, and the maintenance cost can be greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of screening equipment, in particular to an extruder vibrating screen. Background Art

[0002] In plastic extrusion molding equipment, the plastic extruder is usually called the main machine, and the subsequent equipment plastic extrusion molding machine is called the auxiliary machine. After the plastic is prepared into a granular structure by the plastic extruder, in order to ensure the uniformity of the diameter of the prepared plastic particles and improve the product quality, the prepared plastic particles need to be screened and classified, so screening equipment is needed.

[0003] At present, conventional vibrating screening equipment uses an eccentric wheel or an exciting motor to generate linear vibration to complete the material screening operation. In this process, the material lacks traction, and the accumulation of materials on the screen and the obstruction between materials will greatly affect the screening efficiency of the vibrating screen, resulting in a long single screening time. In addition, the current vibrating screening equipment has a relatively complex structure and will generate a lot of noise during the screening process.

[0004] Therefore, the utility model provides an extruder vibrating screen to solve the above problems. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model provides an extruder vibrating screen, which solves the problems of low screening efficiency, complex structure and high noise of the current extruder vibrating screen.

[0006] To achieve the above purpose, the utility model is implemented through the following technical solutions: an extruder vibrating screen, comprising a screening tank, a plurality of threaded pipes are fixedly connected to the interior of the screening tank, and an air pump is fixedly connected to the lower end of the screening tank;

[0007] The screening tank includes a tank body, a blanking plate is fixedly connected to the upper part of the tank body, the lower port of the internal through hole of the blanking plate is fixedly connected to the threaded pipe and communicates with each other, the tube body in the lower part of the threaded pipe passes downward through the sliding plate, the first fine filter plate and the second fine filter plate in sequence, and the lower end is fixedly connected to the surface of the material plate at the lower part of the tank body, the surface of the material plate at the lower part of the tank body is provided with air holes corresponding to the threaded pipe, and the bottom surface is fixedly connected with an air pipe, and the lower port of the tank body is fixedly connected with an air pump, and the air outlet of the air pump is communicated with the air pipe.

[0008] Preferably, the tank body is provided with a plurality of air holes on the circumferential side of the upper end thereof, the air holes penetrating into the tank.

[0009] Preferably, the upper surface of the blanking plate is recessed from the outside to the center, and a plurality of through holes are opened inside along a central annular array, and the lower end of each through hole is fixedly connected to the threaded pipe and communicates with each other.

[0010] Preferably, the sliding plate, the first fine filter plate and the second fine filter plate are all fixedly connected inside the tank body, and the spacing between them gradually increases, and the second fine filter plate is fixedly connected above the lower material plate inside the tank body.

[0011] Preferably, a discharge pipe is provided on the side of the tank body at positions corresponding to the sliding plate, the first fine filter plate and the second fine filter plate, and a vibration motor with an output end connected to the sliding plate, the first fine filter plate and the second fine filter plate is fixedly connected on opposite sides of the discharge pipe.

[0012] Preferably, the lower end of the air pipe is fixedly connected to the lower port inside the tank body, and the outer side surface of the lower end of the tank body is also fixedly connected with a discharge pipe communicating with the interior at the connection position between the air pipe and the tank body.

[0013] Preferably, the surface of the threaded tube is provided with screening through holes, and the apertures of the through holes are arranged from small to large above the sliding plate, between the sliding plate and the first fine filter plate, and between the first fine filter plate and the second fine filter plate.

[0014] Beneficial Effects

[0015] The utility model provides an extruder vibrating screen. Compared with the prior art, it has the following beneficial effects:

[0016] (1) The extruder vibrating screen, through the setting of the screening tank, the threaded tube and the air pump, can utilize the wind traction of the air pump to make the input material slide along the tube wall of the threaded tube in a spiral manner, and in the sliding process, according to different apertures, under the action of centrifugal force, the material is thrown into the corresponding discharge space, and then cooperates with the vibration effect away from the discharge port to achieve the screening output of the screened material. Compared with the current screening equipment that mainly relies on vibration type, the screening process is simple, the material screening effect is good and the efficiency is high, which can greatly reduce the time required for material screening and improve the production process.

[0017] (2) The extruder vibrating screen can cooperate with the wind force and spiral centrifugal effect through the setting of the screening tank, the threaded pipe and the air pump to quickly realize the low-noise screening of the material. The overall structural design is simple, the main screening equipment is low in cost and not easy to damage. It can not only greatly reduce the configuration cost, but also greatly reduce the maintenance cost, which is more conducive to the promotion and use of small and medium-sized enterprises. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 2 It is a cross-sectional view of the utility model;

[0020] Figure 3It is a cross-sectional view of the screening tank of the utility model;

[0021] Figure 4 It is a schematic diagram of a threaded pipe of the utility model.

[0022] In the figure: 1. screening tank; 101. tank body; 1011. blanking plate; 1012. sliding plate; 1013. first fine filter plate; 1014. second fine filter plate; 1015. vibration motor; 102. discharge pipe; 103. air pipe; 2. threaded pipe; 3. air pump. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 An extruder vibrating screen comprises a screening tank 1, the interior of the screening tank 1 is fixedly connected to a plurality of threaded pipes 2, and the lower end of the screening tank 1 is fixedly connected to an air pump 3.

[0025] The screening tank 1 comprises a tank body 101, wherein the tank body 101 is provided with a plurality of air holes penetrating into the tank on the circumference of the upper end thereof, and a blanking plate 1011 is fixedly connected to the upper part of the tank body 101 at a position narrowed inwardly, wherein the upper surface of the blanking plate 1011 is concave from the outside to the center, and a plurality of through holes are provided inside along a central annular array, and the threaded tube 2 is fixedly connected and communicated with each other at the lower end of each through hole, and the threaded tube 2 is a conical structure, and the tube body in the middle and lower part sequentially penetrates downward through the sliding plate 1012, the first fine plate 1011, and the second fine plate 1012. The filter plate 1013 and the second fine filter plate 1014 are fixedly connected at the lower end to the surface of the material plate below the inside of the tank body 101. The surface of the threaded tube 2 is provided with a through hole for screening, and the aperture of the through hole is arranged from small to large above the sliding plate 1012, between the sliding plate 1012 and the first fine filter plate 1013, and between the first fine filter plate 1013 and the second fine filter plate 1014. The sliding plate 1012, the first fine filter plate 1013 and the second fine filter plate 1014 are all fixedly connected to the tank body 1 01, and the spacing between them gradually increases, the second fine filter plate 1014 is fixedly connected to the upper position of the material plate below the inside of the tank body 101, and the side of the tank body 101 is provided with a discharge pipe 102 for discharging materials at the position corresponding to the sliding plate 1012, the first fine filter plate 1013 and the second fine filter plate 1014, and the opposite side of the discharge pipe 102 is fixedly connected with a vibration filter having an output end connected to the sliding plate 1012, the first fine filter plate 1013 and the second fine filter plate 1014. The motor 1015 is driven, and the surface of the material plate at the lower part of the tank body 101 is provided with tiny air holes corresponding to the threaded tube 2, and the bottom surface is fixedly connected with an air pipe 103 which fully covers the air holes, and the lower end of the air pipe 103 is fixedly connected to the lower port inside the tank body 101, and the outer side surface of the lower end of the tank body 101 is also fixedly connected with a discharge pipe 102 which is connected to the interior at the connection position between the air pipe 103 and the tank body 101, and the lower port of the tank body 101 is fixedly connected with an air pump 3, and the air outlet of the air pump 3 is connected with the air pipe 103.

[0026] During operation, the material will enter the tank body 101 and fall on the surface of the blanking plate 1011, and then enter the threaded tube 2 along the blanking plate 1011. The material entering the threaded tube 2 will flow downward along the tube wall of the threaded tube 2 under the traction of the wind of the air pump 3. In the process of flow, particles of different radii will be thrown out through different through holes on the surface of the threaded tube 2 and fall on the surfaces of the sliding plate 1012, the first fine filter plate 1013 and the second fine filter plate 1014. The small particles thrown out along with the medium and large particles will fall to the lower end of the tank body 101 after being screened by the first fine filter plate 1013 and the second fine filter plate 1014, and will be discharged through the discharge pipe 102 below. The screened particles falling on the surface of the sliding plate 1012, the first fine filter plate 1013 and the second fine filter plate 1014 will move to the position of the discharge pipe 102 under the vibration of the vibration motor 1015 and be discharged from the discharge pipe 102, thereby achieving efficient screening of the material.

[0027] To sum up, through the setting of the screening tank 1, the threaded tube 2 and the air pump 3, the wind traction of the air pump 3 can be utilized to make the input material spirally slide along the tube wall of the threaded tube 2, and during the sliding process, according to the different apertures, under the action of centrifugal force, it is thrown into the corresponding discharge space, and then cooperated with the vibration effect away from the discharge port to achieve the screening output of the screened material. Compared with the current screening equipment that mainly relies on vibration type, the screening process is simple, the material screening effect is good and the efficiency is high, which can greatly reduce the time required for material screening and improve the production process; through the setting of the screening tank 1, the threaded tube 2 and the air pump 3, the wind force and the spiral centrifugal effect can be cooperated to quickly realize low-noise screening of materials, and the overall structural design is simple, the main screening equipment has low cost and is not easy to damage, which can not only greatly reduce the configuration cost, but also greatly reduce the maintenance cost, and is more conducive to the promotion and use of small and medium-sized enterprises.

[0028] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0029] Working principle: When working, first connect the feeding pipe to the upper material port of the tank body 101, and then connect the discharge pipe 102 to the corresponding separate material receiving equipment, and then it can be used; after power is turned on, the material will enter the tank body 101 and fall on the surface of the blanking plate 1011, and then enter the threaded tube 2 along the blanking plate 1011, and the material entering the threaded tube 2 will flow downward along the tube wall of the threaded tube 2 under the traction of the wind of the air pump 3, and in the process of flowing, particles of different radii will be thrown out through different through holes on the surface of the threaded tube 2, and fall on the sliding plate 1012, the first fine The small particles on the surface of the filter plate 1013 and the second fine filter plate 1014, which were thrown out along with the medium and large particles due to the medium and large obstacles in the early stage, will fall to the lower end of the tank body 101 after being screened by the first fine filter plate 1013 and the second fine filter plate 1014, and will be discharged through the discharge pipe 102 below. The screened particles falling on the surface of the sliding plate 1012, the first fine filter plate 1013 and the second fine filter plate 1014 will move to the position of the discharge pipe 102 under the vibration action of the vibration motor 1015 and be discharged from the discharge pipe 102, thereby achieving efficient screening of the material.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An extruder vibrating screen, characterized in that: include: A screening tank (1), wherein a plurality of threaded pipes (2) are fixedly connected inside the screening tank (1), and an air pump (3) is fixedly connected at the lower end of the screening tank (1); The screening tank (1) comprises a tank body (101), a blanking plate (1011) is fixedly connected to the upper part of the tank body (101), the lower end of the internal through hole of the blanking plate (1011) is fixedly connected to the threaded pipe (2) and is in communication with each other, the tube body of the lower part of the threaded pipe (2) passes through the sliding plate (1012), the first fine filter plate (1013) and the second fine filter plate (1014) in sequence downward, and the lower end is fixedly connected to the surface of the material plate at the lower part of the tank body (101), the surface of the material plate at the lower part of the tank body (101) is provided with air holes corresponding to the threaded pipe (2), and the bottom surface is fixedly connected to the air pipe (103), and the lower end of the tank body (101) is fixedly connected to the air pump (3), and the air outlet of the air pump (3) is in communication with the air pipe (103).

2. An extruder vibrating screen according to claim 1, characterized in that: The tank body (101) is provided with a plurality of air holes on the circumferential side of the upper end thereof, the air holes penetrating into the tank.

3. An extruder vibrating screen according to claim 1, characterized in that: The upper surface of the blanking plate (1011) is recessed from the outside to the center, and a plurality of through holes are provided inside along a central annular array, and the lower end of each through hole is fixedly connected to the threaded tube (2) and communicates with each other.

4. The extruder vibrating screen according to claim 1, characterized in that: The sliding plate (1012), the first fine filter plate (1013) and the second fine filter plate (1014) are all fixedly connected inside the tank body (101), and the spacing between them gradually increases. The second fine filter plate (1014) is fixedly connected above the lower material plate inside the tank body (101).

5. The extruder vibrating screen according to claim 1, characterized in that: A discharge pipe (102) is provided on the side of the tank body (101) at positions corresponding to the sliding plate (1012), the first fine filter plate (1013) and the second fine filter plate (1014), and a vibration motor (1015) whose output end is connected to the sliding plate (1012), the first fine filter plate (1013) and the second fine filter plate (1014) is fixedly connected on opposite sides of the discharge pipe (102).

6. The extruder vibrating screen according to claim 1, characterized in that: The lower end of the air pipe (103) is fixedly connected to the lower port inside the tank body (101), and the outer side surface of the lower end of the tank body (101) is also fixedly connected to a discharge pipe (102) communicating with the interior at the connection position between the air pipe (103) and the tank body (101).

7. The extruder vibrating screen according to claim 1, characterized in that: The surface of the threaded tube (2) is provided with screening through holes, and the apertures of the through holes are arranged from small to large above the sliding plate (1012), between the sliding plate (1012) and the first fine filter plate (1013), and between the first fine filter plate (1013) and the second fine filter plate (1014).

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