Plastic granulator with air filtering device

Abstract

The utility model relates to the technical field of plastic pelletizers, in particular to a plastic pelletizer with an air filtering device, which comprises a pelletizer body, a feed pipe, a discharge pipe and an air filtering component, the feed pipe is arranged at the input end of the pelletizer body, the discharge pipe is arranged at the output end of the pelletizer body, and the air filtering component is arranged on the discharge pipe. According to the plastic granulator with the air filtering device, a fan serves as a power source, the input end of the fan is connected with a gas guide cover on a cover body through a connecting pipe, the cover body is arranged at the end of a discharging pipe, harmful gas with pungent smell generated when plastic melt is extruded can be accurately captured, and the gas is conveyed to a waste gas treatment box along the connecting pipe; a gas collecting hood in the filter assembly is inserted into a gas guide hood through an insertion pipe, a filter frame is conveniently inserted into a sliding groove in the front face of the gas collecting hood and the gas guide hood, after gas enters the gas collecting hood, the gas is preliminarily filtered through the filter frame, part of large-particle impurities and part of harmful ingredients are intercepted, and the follow-up treatment efficiency and effect are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of plastic granulator, specifically to a plastic granulator with air filtering device. BACKGROUND

[0002] Plastic raw materials or waste materials reach the molten state through the heating device, under the rotation of the screw, the plastic melt is subjected to extrusion, mixing, shearing and other forces, realizing uniform plasticization. Then, the plastic melt after plasticization is continuously extruded from the head, and after cooling, shaping and cutting processes, plastic particles of certain specifications and shapes are finally prepared.

[0003] When the plastic melt is extruded, gas will appear, which has a pungent odor and is harmful to the human body. The traditional plastic granulator does not have a gas filtering device, and the gas is directly discharged, which easily pollutes the environment. CONTENT OF THE UTILITY MODEL

[0004] (I) Technical problem solved

[0005] In view of the deficiencies of the prior art, the utility model provides a plastic granulator with air filtering device.

[0006] (II) Technical scheme

[0007] In order to achieve the above purpose, the utility model provides the following technical scheme: a plastic granulator with air filtering device, comprising a granulator body, a feeding pipe, a discharging pipe and an air filtering assembly, the feeding pipe is arranged at the input end of the granulator body, the discharging pipe is arranged at the output end of the granulator body, the air filtering assembly comprises a base, a waste gas treatment box, a cover body, a fan, a connecting pipe, a gas guide cover, a connecting piece and a filtering assembly, the base is arranged on one side of the bottom wall of the granulator body, the waste gas treatment box is arranged on the base, the output end of the fan is connected with the waste gas treatment box, the input end of the fan is connected with one end of the connecting pipe, the cover body is further arranged on the part of the end of the discharging pipe away from the granulator body, the gas guide cover is arranged on the cover body, the other end of the connecting pipe is connected with the gas guide cover, and the filtering assembly is connected with the gas guide cover through the connecting piece.

[0008] In order to facilitate the pre-filtering of gas, the utility model improves that the filtering assembly comprises a gas collecting cover, a pipe and a filter frame, the lower opening is arranged below the gas collecting cover, the pipe is inserted with the gas guide cover above the gas collecting cover, the pipe and the gas guide cover are provided with sliding grooves on the front surface, and the filter frame is inserted into the sliding grooves.

[0009] Preferably, the connecting piece comprises an elastic piece and a clamping block, the left and right sides of the cannula are symmetrically provided with movable grooves, the two ends of the elastic piece are connected with the inner walls of the movable grooves and the clamping block respectively, and the air guide cover is further provided with a clamping hole matched with the clamping block.

[0010] In order to facilitate the assembly of the cannula and the air guide cover, the utility model improves that the upper part of the clamping block is further provided with an inclined surface away from one end of the elastic piece, the elastic piece comprises a spring and a telescopic rod, the spring is sleeved on the telescopic rod, and the two ends of the spring and the telescopic rod are connected with the clamping block and the inner wall of the movable groove respectively.

[0011] Preferably, the cannula is further provided with a first sealing ring, the first sealing ring is arranged on the upper and lower ends of the connecting piece and the filter frame, and the filter frame is further provided with a second sealing ring connected with the air guide cover.

[0012] Preferably, the filter frame is further provided with a handle protruding from the air guide cover.

[0013] (Three) beneficial effects

[0014] Compared with the prior art, the utility model provides a plastic granulator with an air filtering device, which has the following beneficial effects:

[0015] The plastic granulator with the air filtering device, the fan serves as a power source, the input end of the fan is connected with the air guide cover on the cover body through the connecting pipe, the cover body is arranged at the end of the discharge pipe, can accurately capture the harmful gas with irritating odor generated when the plastic melt is extruded, and the gas is conveyed to the waste gas treatment box along the connecting pipe.

[0016] The air collecting cover in the filtering assembly is inserted with the air guide cover through the cannula, the sliding groove on the front surface of the two facilitates the insertion of the filter frame, when the gas enters the air collecting cover, is primarily filtered first through the filter frame, intercepts part of the large particle impurities and part of the harmful components, and improves the subsequent processing efficiency and effect. ACCURACY

[0017] Figure 1 It is a main view schematic drawing of the utility model structure;

[0018] Figure 2 It is a bottom view schematic drawing of the utility model structure;

[0019] Figure 3 It is an explosion schematic drawing of the utility model structure;

[0020] Figure 4 It is a structure Figure 3 of the utility model structure.

[0021] In the figure: 1, granulator body; 2, feed pipe; 3, discharge pipe; 4, base; 5, exhaust treatment box; 6, cover body; 7, fan; 8, connecting pipe; 9, air guide cover; 10, gas collection cover; 11, cannula; 12, filter frame; 13, clamping block; 14, spring; 15, telescopic rod; 16, first sealing ring; 17, second sealing ring; 18, handle. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-4 A plastic granulator with air filtering device, including granulator body 1, feed pipe 2, discharge pipe 3 and air filtering assembly, the input end of the granulator body 1 is provided with the feed pipe 2, the output end of the granulator body 1 is provided with the discharge pipe 3, the air filtering assembly includes base 4, exhaust treatment box 5, cover body 6, fan 7, connecting pipe 8, air guide cover 9, connecting piece and filtering assembly, the bottom wall of the granulator body 1 is provided with the base 4, the base 4 is provided with the exhaust treatment box 5, the output end of the fan 7 is connected with the exhaust treatment box 5, the input end of the fan 7 is connected with one end of the connecting pipe 8, the discharge pipe 3 is provided with the cover body 6 on the part away from the granulator body 1, the cover body 6 is provided with air guide cover 9, the other end of the connecting pipe 8 is connected with the air guide cover 9, the filtering assembly is connected with the air guide cover 9 through the connecting piece.

[0024] When the plastic granulator works, the material enters from the feed pipe 2 of the granulator body 1, and the plastic melt is extruded from the discharge pipe 3. The harmful gas with irritating smell generated in this process will gather near the cover body 6 at the end of the discharge pipe 3. The base 4 is connected with the base 4 of the granulator body 1, which provides stable support for the exhaust treatment box 5. The air guide cover 9 arranged on the cover body 6 is opposite to the direction of gas emission, which can efficiently capture these harmful gases.

[0025] The input end of the fan 7 is connected with the air guide cover 9 through the connecting pipe 8. After the fan 7 is started, a negative pressure area is formed at the air guide cover 9 under the action of suction, which makes the surrounding harmful gases flow along the connecting pipe 8 and finally be transported to the exhaust treatment box 5, preparing for subsequent purification treatment.

[0026] In actual use, the filter assembly includes a gas collecting cover 10, a pipe 11 and a filter frame 12, the lower part of the gas collecting cover 10 is provided with a lower opening, the upper part of the gas collecting cover 10 is provided with the pipe 11 which is inserted into the gas guide cover 9, the front part of the pipe 11 and the gas guide cover 9 are provided with sliding grooves, the filter frame 12 is inserted into the sliding grooves, the harmful gas collected firstly enters the gas collecting cover 10 of the filter assembly, the lower opening at the lower part of the gas collecting cover 10 ensures the smooth flow of the gas. The pipe 11 at the upper part of the gas collecting cover 10 is connected with the gas guide cover 9 in the form of insertion, the sliding groove structure reserved in the front part of the pipe 11 and the gas guide cover 9 provides the installation position of the filter frame 12, when the gas flows through the filter frame 12 inserted into the sliding groove, the filter medium (such as activated carbon, filter screen, etc.) filled in the filter frame 12 starts to play a role, intercepting the large particle impurities, part of the dust and some harmful components which can be adsorbed in the gas, after this step of preliminary filtration, the impurity content of the gas entering the waste gas treatment box 5 is reduced, the purification burden of the waste gas treatment box 5 is reduced, thereby improving the efficiency and effect of the whole filtration and purification process, and the stability of the assembly of the pipe 11 and the gas guide cover 9 is further ensured by the filter frame 12.

[0027] In the embodiment, the connecting piece includes an elastic piece and a clamping block 13, the pipe 11 is symmetrically provided with movable grooves at the left and right sides, the two ends of the elastic piece are respectively connected with the inner wall of the movable groove and the clamping block 13, the gas guide cover 9 is further provided with a clamping hole which is matched with the clamping block 13, the clamping block 13 is further provided with an inclined surface at the part away from one end of the elastic piece, the elastic piece includes a spring 14 and a telescopic rod 15, the spring 14 is sleeved on the telescopic rod 15, the two ends of the spring 14 and the telescopic rod 15 are respectively connected with the clamping block 13 and the inner wall of the movable groove, the elastic piece is installed in the movable grooves symmetrically provided at the left and right sides of the pipe 11, the elastic piece is composed of the spring 14 and the telescopic rod 15 sleeved in the spring 14, one end is connected with the inner wall of the movable groove, and the other end is connected with the clamping block 13. When the pipe 11 is inserted into the gas guide cover 9, the inclined surface of the part of the clamping block 13 firstly contacts the gas guide cover 9, is extruded, forces the clamping block 13 to retract into the movable groove, at this time, the spring 14 is compressed and the telescopic rod 15 is shortened. When the pipe 11 is completely inserted into the gas guide cover 9 and the clamping block 13 is aligned with the clamping hole, the spring 14 releases the elastic force, pushes the clamping block 13 to pop out and is clamped into the clamping hole, realizes the stable connection of the pipe 11 and the gas guide cover 9, guarantees the stable position of the filter frame 12, when the filter frame 12 needs to be replaced or cleaned, the filter frame 12 is further provided with a handle 18 which protrudes from the gas guide cover 9, the filter frame 12 can be pulled out by the handle 18, after the filter frame 12 is pulled out, the two clamping blocks 13 are extruded and pulled out downward, the top wall of the gas collecting cover 10 can be cleaned.

[0028] In the embodiment, the first sealing ring 16 arranged on the cannula 11 is distributed on the upper and lower ends of the connecting piece and the filter frame 12, forming the first sealing defense line; the second sealing ring 17 on the filter frame 12 is closely attached to the air guide cover 9, forming the second sealing defense line. The two sealing rings work together to prevent gas from leaking from the joint gap between the cannula 11, the filter frame 12 and the air guide cover 9, ensuring that all the gas can pass through the filtering process, guaranteeing the filtering effect and preventing the untreated harmful gas from escaping to pollute the environment.

[0029] In this document, reference to“an embodiment” means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase“in an embodiment” in various places in the specification are not necessarily referring to the same embodiment, nor are separate embodiments necessarily mutually exclusive of one another. In principle, any feature described in relation to an embodiment can be combined with any other feature described in relation to another embodiment, unless technically infeasible or otherwise incompatible.

[0030] Unless otherwise defined, technical terms used in this document shall have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the use of related terms in the specification is merely to describe specific embodiments and is not intended to limit the application.

[0031] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, which can be appreciated by those skilled in the art.

Claims

1. A plastic granulator with air filtering device, comprising a granulator body (1), a feeding pipe (2), a discharging pipe (3) and an air filtering assembly, characterized in that: The granulator body (1) is provided with the feeding pipe (2) at the input end, and is provided with the discharging pipe (3) at the output end, the air filtering assembly comprises a base (4), a waste gas treatment box (5), a cover body (6), a fan (7), a connecting pipe (8), a gas guide cover (9), a connecting piece and a filtering assembly, the base (4) is arranged on one side of the bottom wall of the granulator body (1), the waste gas treatment box (5) is arranged on the base (4), the output end of the fan (7) is connected with the waste gas treatment box (5), the input end of the fan (7) is connected with one end of the connecting pipe (8), the cover body (6) is further arranged on the part of the discharging pipe (3) away from the granulator body (1), the gas guide cover (9) is arranged on the cover body (6), the other end of the connecting pipe (8) is connected with the gas guide cover (9), and the filtering assembly is connected with the gas guide cover (9) through the connecting piece.

2. A plastic pelletizer with air filtering device as claimed in claim 1 wherein: The filtering assembly comprises a gas collecting cover (10), a pipe (11) and a filtering frame (12), the lower end of the gas collecting cover (10) is provided with an opening, the upper end of the gas collecting cover (10) is provided with the pipe (11) connected with the gas guide cover (9), the front ends of the pipe (11) and the gas guide cover (9) are provided with sliding grooves, and the filtering frame (12) is inserted into the sliding grooves.

3. A plastic pelletizer with air filtering device as claimed in claim 2, wherein: The connecting piece comprises an elastic piece and a clamping block (13), the pipe (11) is provided with movable grooves on the left side and the right side, the two ends of the elastic piece are connected with the inner walls of the movable grooves and the clamping block (13), and the gas guide cover (9) is further provided with a clamping hole matched with the clamping block (13).

4. A plastic pelletizer with air filtering device as claimed in claim 3 wherein: The upper part of the clamping block (13) is further provided with an inclined surface away from one end of the elastic piece, the elastic piece comprises a spring (14) and a telescopic rod (15), the spring (14) is sleeved on the telescopic rod (15), and the two ends of the spring (14) and the telescopic rod (15) are connected with the clamping block (13) and the inner walls of the movable grooves respectively.

5. A plastic pelletizer with air filtration according to claim 4, characterized in that: The pipe (11) is further provided with a first sealing ring (16), the first sealing ring (16) is arranged on the upper and lower ends of the connecting piece and the filtering frame (12), and the filtering frame (12) is further provided with a second sealing ring (17) connected with the gas guide cover (9).

6. A plastic pelletizer with air filtration according to claim 5, characterized in that: The filtering frame (12) is further provided with a handle (18) protruding from the gas guide cover (9).

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