CN216782356U

CN216782356U - Plastic granules rubbing crusher

Info

Publication number: CN216782356U
Application number: CN202220281006.0U
Authority: CN
Inventors: 娄飞; 丁怀柱
Original assignee: Mengcheng Tongqiang Rattan Products Co ltd
Current assignee: Dongguan Guanlong New Material Technology Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-06-21
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a plastic particle crusher, which comprises a crushing box, crushing rollers, a cyclone dust collector, a negative pressure fan and a blanking dust collector, wherein an upper cavity positioned above the crushing box and a material passing channel which is positioned below the upper cavity and communicated with each other are arranged in the crushing box; the blanking and dust removing device comprises a cylinder body, a central tube and a spiral material guide plate, wherein the top opening of the cylinder body is communicated with the material passing channel, the bottom opening of the cylinder body is used as a discharge hole for discharging plastic particles, the central tube is coaxially and fixedly arranged in the cylinder body, the spiral material guide plate is fixedly arranged on the outer peripheral side of the central tube and spirally extends from the top to the bottom, the central tube is provided with a hollow inner cavity, and a plurality of first dust absorption holes are formed in the outer wall of the central tube.

Description

Plastic granules rubbing crusher

Technical Field

The utility model relates to a pulverizer, in particular to a plastic particle pulverizer.

Background

The working of plastics carries out the melting after smashing by plastic granules and extrudes and make by the mould shaping again, current rubbing crusher is when smashing raw and other materials, partial raw and other materials can become the dust form, because rubbing crusher's crushing sword can produce the air current at the during operation, the raw and other materials of dust form can be followed the raw and other materials feed inlet of rubbing crusher under the effect of these air currents and waft, the raw and other materials of in-process dust form that can lead to rubbing crusher work like this escape everywhere in with the factory building, the operational environment of factory building has been polluted, staff's health has been influenced.

In order to solve the above problems, in the prior art, for example, a utility model patent No. 202022803081.2 discloses a novel plastic granule crusher, which comprises a casing, a rotating shaft and a motor; the top surface of the machine shell is of an opening structure communicated with the crushing chamber, and an opening on the top surface of the machine shell is called as a dust outlet; the screen is arranged in the crushing chamber, covers the cross section of the whole crushing chamber, is positioned between the feed port and the dust outlet, is in an arc-shaped structure, and is gradually bent upwards from one side of the feed direction of the feed port to the other side of the feed direction of the feed port; the dust collector is characterized by further comprising a first-stage collecting bag, the first-stage collecting bag is hung on a ceiling and is of a structure with a closed top end and an open bottom end, and the open bottom end of the first-stage collecting bag is communicated with the dust outlet of the casing in a sealing mode. The utility model has the characteristics of simple structure, reasonable design, capability of greatly reducing the dust pollution of production environment caused by crushing plastic particles, reduction of the harm to the health of workers and the like.

The plastic particle crusher has the following defects: the dust after this rubbing crusher collects falls into and collects the bag, need tear the bag open and accomplish flapping of dust and collect when clearing up the dust, consequently can't accomplish the disposable collection of dust, increases the work load.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a plastic particle crusher to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a plastic particle pulverizer comprises a pulverizing box, pulverizing rollers, a cyclone dust collector, a negative pressure fan and a blanking dust collector, wherein an upper cavity and a material passing channel are arranged in the pulverizing box, the material passing channel is arranged below the upper cavity and communicated with the upper cavity, the blanking dust collector is fixedly arranged below the material passing channel, a pair of the pulverizing rollers are rotatably arranged on two sides of the material passing channel, and the pulverizing rollers are driven by a motor to rotate;

the blanking and dust removing device comprises a cylinder body, a central tube and a spiral guide plate, wherein the top opening of the cylinder body is communicated with a material passing channel, the bottom opening of the cylinder body is used as a discharge hole for discharging plastic particles, the central tube is coaxially and fixedly arranged in the cylinder body, the spiral guide plate is fixedly arranged on the outer peripheral side of the central tube and spirally extends from the top to the bottom, the central tube is provided with a hollow inner cavity, a plurality of first dust suction holes are formed in the outer wall of the central tube, the inner cavity of the central tube is connected with the air inlet end of a negative pressure fan through a connecting tube, and the air outlet end of the negative pressure fan is connected with a cyclone dust collector through a guide tube.

As a further scheme of the utility model: the outside fixed mounting of smashing the case with the feeder hopper that the epicoele is linked together.

As a further scheme of the utility model: the cyclone dust collector is fixedly arranged on the outer side of the crushing box through a support.

As a further scheme of the utility model: the peripheral sides of the spiral material guide plates are in clearance fit with the inner wall of the cylinder body.

As a further scheme of the utility model: the wall of the barrel is also provided with an annular cavity, the inner wall of the barrel is provided with a plurality of second dust suction holes communicated with the annular cavity, and the barrel is connected with the exhaust end of the negative pressure fan through a connecting pipe.

As a further scheme of the utility model: the bottom of barrel is provided with central tube socket, the week side of central tube socket is through two piece at least connecting rods fixed mounting on the inner wall of barrel, the central tube fixed mounting be in on the central tube socket.

As a further scheme of the utility model: the bottom periphery of barrel is provided with the flange, has seted up a plurality of counter bores on the flange, the bottom of smashing the case is seted up and is supplied the mounting hole that the barrel passed, and the flange butt is in the periphery of mounting hole and is connected with the crushed aggregates case through the spiral.

As a further scheme of the utility model: still include the base, smash case fixed mounting on the base.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has simple structure and convenient use, the blanking and dust removing device is arranged below the material passing channel, the top opening of the cylinder body of the blanking and dust removing device is communicated with the material passing channel, the bottom opening of the cylinder body is used as a discharge hole for discharging plastic particles, the central tube is coaxially and fixedly arranged in the cylinder body, the spiral guide plate is fixedly arranged on the peripheral side of the central tube and spirally extends from the top to the bottom, the central tube is provided with a hollow inner cavity, the outer wall of the central tube is provided with a plurality of first dust suction holes, the inner cavity of the central tube is connected with the air inlet end of the negative pressure fan through a connecting tube, the exhaust end of the negative pressure fan is connected with the cyclone dust collector through a guide tube, therefore, the crushed plastic particles can slide along the spiral material guide plate, and dust is separated and absorbed into the cyclone dust collector to be collected in a one-time centralized manner in the sliding process, so that the dust removal efficiency is improved, and the workload is reduced.

Drawings

FIG. 1 is a schematic structural view of a plastic particle crusher;

FIG. 2 is a schematic structural diagram of a blanking and dedusting device in the plastic particle pulverizer;

FIG. 3 is a cross-sectional view of a dust collector of the plastic particle crusher;

in the figure: the device comprises a base 1, a cylinder 2, a crushing box 3, a crushing roller 4, a feed hopper 5, an upper cavity 6, a guide pipe 7, a cyclone dust collector 8, a support 9, a material passing channel 10, a negative pressure fan 11, a tee joint 12, a spiral material guide plate 13, a flange 14, a counter sink 15, a first dust suction hole 16, a central pipe 17, an annular cavity 18, a second dust suction hole 19, a connecting rod 20 and a central pipe seat 21.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1, in this embodiment, a plastic particle crusher includes a base 1, a crushing box 3, crushing rollers 4, a cyclone dust collector 8, a negative pressure fan 11, and a dust-removing device, where the crushing box 3 is fixedly mounted on the base 1, an upper chamber 6 located above the crushing box 3 is provided in the crushing box 3, and material passing channels 10 located below the upper chamber 6 and communicated with each other are provided, a feed hopper 5 communicated with the upper chamber 6 is fixedly mounted on the outer side of the crushing box 3, the dust-removing device is fixedly mounted below the material passing channels 10, the cyclone dust collector 8 is fixedly mounted on the outer side of the crushing box 3 through a support 9, a pair of the crushing rollers 4 is rotatably mounted on two sides of the material passing channels 10, and the crushing rollers 4 are driven by a motor to rotate so as to crush plastic particles.

Plastic granules are thrown into the upper cavity 6 by the feed hopper 5, and are discharged into the material passing channel 10 from the upper cavity 6, the motor drives the crushing roller 4 to rotate at a high speed, and the plastic granules are crushed, the crushed plastic granules enter the material falling and dust removing device and are separated from dust, the separated granules are discharged from a discharge port at the bottom of the material falling and dust removing device, the dust is sucked into the cyclone dust collector 8 by the negative pressure fan 11 to be subjected to solid-gas separation, and then the dust is discharged from a discharge port at the bottom of the cyclone dust collector 8 in a centralized manner, so that the one-time centralized collection of the dust is completed.

Referring to fig. 2 and 3, in this embodiment, specifically, the blanking and dust removing device includes a cylinder 2, a central tube 17, and a spiral material guiding plate 13, a top opening of the cylinder 2 is communicated with the material passing channel 10 to enable crushed plastic particles to enter the cylinder 2, a bottom opening of the cylinder 2 serves as a discharge hole for discharging the plastic particles, the central tube 17 is coaxially and fixedly installed in the cylinder 2, the spiral material guiding plate 13 is fixedly installed on an outer peripheral side of the central tube 17 and extends spirally from the top to the bottom, and the outer peripheral side of the spiral material guiding plate 13 is in clearance fit with an inner wall of the cylinder 2. The plastic particles entering the cylinder 2 roll spirally along the spiral material guide plate 13, dust and the plastic particles are separated step by step in the rolling process, the central tube is provided with a hollow inner cavity, the outer wall of the central tube is provided with a plurality of first dust suction holes 16, the inner cavity of the central tube is connected with the air inlet end of the negative pressure fan 11 through a connecting tube, and the air outlet end of the negative pressure fan 11 is connected with the cyclone dust collector 8 through a guide tube 7.

In the process that the plastic particles roll down along the spiral material guide plate 13, dust enters the central pipe 17 through the first dust suction hole 16 and is pumped into the cyclone dust collector 8 by the negative pressure fan 11 for centralized collection, so that the dust suction effect is improved.

In this embodiment, an annular cavity 18 is further formed in the wall of the cylinder 2, a plurality of second dust suction holes 19 communicated with the annular cavity 18 are formed in the inner wall of the cylinder 2, and the cylinder 2 is connected with the exhaust end of the negative pressure fan 11 through a connecting pipe. Thereby increasing the negative pressure dust collection range and further improving the dust collection effect. When the annular cavity 18 and the central pipe 17 of the cylinder 2 are both connected with the negative pressure fan 11, the air inlet end of the negative pressure fan 11 is provided with a tee 12 to realize the connection of the two connecting pipes and the port of the negative pressure fan 11.

In this embodiment, the fixed mounting manner of the central tube 17 is specifically that a central tube seat 21 is arranged at the bottom of the cylinder 2, the peripheral side of the central tube seat 21 is fixedly mounted on the inner wall of the cylinder 2 through at least two connecting rods 20, and the central tube 17 is fixedly mounted on the central tube seat 21.

In addition, a flange 14 is arranged on the periphery of the bottom of the cylinder 2, a plurality of counter bores 15 are formed in the flange 14, a mounting hole for the cylinder 2 to penetrate through is formed in the bottom of the crushing box 3, and the flange 14 abuts against the periphery of the mounting hole and is connected with the crushing box through a screw, so that the installation of the blanking and dust removing device is realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

Although the embodiments have been described, once the basic inventive concept is obtained, other variations and modifications of these embodiments can be made by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes using the contents of the present specification and drawings, or any other related technical fields, which are directly or indirectly applied thereto, are included in the scope of the present invention.

Claims

1. The utility model provides a plastic granules rubbing crusher, is including smashing case, crushing roller, cyclone, negative-pressure air fan and blanking dust collector, its characterized in that: the crushing box is internally provided with an upper cavity positioned above and a material passing channel positioned below the upper cavity and communicated with each other, the blanking and dust removing device is fixedly arranged below the material passing channel, a pair of crushing rollers are rotatably arranged at two sides of the material passing channel, and the crushing rollers are driven by a motor to rotate;

2. The plastic particle shredder according to claim 1, wherein: the outside fixed mounting of smashing the case with the feeder hopper that the epicoele is linked together.

3. The plastic particle shredder according to claim 1, wherein: the cyclone dust collector is fixedly arranged on the outer side of the crushing box through a support.

4. The plastic particle shredder according to claim 1, wherein: the peripheral sides of the spiral material guide plates are in clearance fit with the inner wall of the cylinder body.

5. The plastic particle shredder according to claim 1, wherein: the wall of the barrel is also provided with an annular cavity, the inner wall of the barrel is provided with a plurality of second dust suction holes communicated with the annular cavity, and the barrel is connected with the exhaust end of the negative pressure fan through a connecting pipe.

6. The plastic particle shredder according to claim 1, wherein: the bottom of barrel is provided with central tube socket, the week side of central tube socket is through two piece at least connecting rods fixed mounting on the inner wall of barrel, the central tube fixed mounting be in on the central tube socket.

7. The plastic particle shredder according to claim 1, wherein: the bottom periphery of barrel is provided with the flange, has seted up a plurality of counter bores on the flange, the bottom of smashing the case is seted up and is supplied the mounting hole that the barrel passed, and the flange butt is in the periphery of mounting hole and is connected with the crushed aggregates case through the spiral.

8. The plastic particle shredder according to claim 1, wherein: still include the base, smash case fixed mounting on the base.