CN112497571A

CN112497571A - Waste plastic recycling and processing device capable of realizing hammering through screw driving

Info

Publication number: CN112497571A
Application number: CN202011234107.4A
Authority: CN
Inventors: 孙文超
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-07
Filing date: 2020-11-07
Publication date: 2021-03-16

Abstract

The invention relates to the field of environmental protection, and particularly discloses a waste plastic recycling and processing device driven by a screw to hammer, which comprises a crushing barrel, a feeding barrel, a discharging barrel and a material guide plate, wherein the crushing barrel is connected with the feeding barrel; the right side of the air blowing box is communicated with a plurality of horizontal nozzles, and the air blowing box is communicated with a fan through a pipeline; fixed mounting has the horizontally to support the screen cloth on the middle part in the crushing barrel, and the top of supporting the screen cloth is provided with horizontally and crushing barrel inner wall clearance fit's pressure disk, sets up the guide way around a week on the pressure disk lateral wall, and fixed mounting has the support guide block that two symmetries set up on the inner wall of crushing barrel, supports the guide block and stretches into in the guide way, with guide way sliding connection. The waste plastic crushing machine can move up and down in the rotating process through the arranged pressure plate, waste plastics falling between the pressure plate and the support screen are crushed in multiple directions, the waste plastics are refined until the waste plastics fall from the support screen, the fallen waste plastics scraps are ensured to be uniform, and the crushing effect is strong.

Description

Waste plastic recycling and processing device capable of realizing hammering through screw driving

Technical Field

The invention relates to the field of environmental protection, in particular to a waste plastic recycling and processing device driven by a screw to hammer.

Background

Plastics are high molecular compounds, commonly called plastics or resins, which are polymerized by addition polymerization or polycondensation reaction using monomers as raw materials, can freely change components and form and style, and are composed of synthetic resins and additives such as fillers, plasticizers, stabilizers, lubricants, pigments and the like.

The waste plastics are recycled, so that the positive effects on resource saving and environmental protection are achieved, and the waste plastics are collected and crushed after being classified and cleaned, so that the waste plastics are convenient to recycle. However, when the existing plastic crushing device is used for a long time, the internal temperature of mechanical equipment is increased, so that the temperature of waste plastics is increased, the internal crushing is not facilitated, and the crushing effect of the plastics is influenced; in addition, since it is necessary to crush the crushed materials by charging the crushed materials into the inside several times during the crushing process, the particle size of the plastic cannot be secured after each crushing, and thus, it is necessary to improve the existing waste plastic recycling apparatus.

Disclosure of Invention

The invention aims to provide a waste plastic recycling and processing device adopting screw-driven hammering to solve the problems in the background technology.

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

a waste plastic recycling and processing device with screw drive hammering comprises a crushing barrel, a feeding barrel, a discharging barrel and a material guide plate; the feeding barrel is communicated with the top of the side wall of the crushing barrel and is horizontally arranged, waste plastics enter the crushing barrel from the right end of the feeding barrel, the guide plate obliquely and downwards extends into the feeding barrel, and the waste plastics enter the feeding barrel along the guide plate; the feeding device comprises a feeding barrel, a feeding plate, a material guide plate, a blowing box, a feeding pipe and a feeding device, wherein the feeding barrel is internally and fixedly provided with a blowing box with an annular structure, the center of the blowing box is provided with a filling opening, the material guide plate penetrates through the filling opening to enable waste plastics to fall on the right side of the filling opening, the blowing box is of a hollow structure, the right side of the blowing box is communicated with a plurality of horizontal nozzles, the blowing box is communicated with a fan through a pipeline to drive air in the blowing box to flow, and the nozzles are used for blowing out air horizontally to blow; a motor is coaxially and fixedly installed on the center of the top of the crushing barrel, an output shaft of the motor vertically extends downwards into the crushing barrel, a vertical transmission shaft is coaxially fixed at the lower end of the output shaft of the motor, the lower end of the transmission shaft is rotatably connected to the bottom of the crushing barrel through a bearing, and the motor drives the transmission shaft to rotate; a horizontal supporting screen is fixedly arranged on the middle part in the grinding cylinder, falling waste plastics are ground on the supporting screen, a horizontal pressure plate in clearance fit with the inner wall of the grinding cylinder is arranged above the supporting screen, a through shaft hole is arranged in the center of the pressure plate, a transmission shaft penetrates through the shaft hole, a plurality of vertical clamping grooves are arranged on the side wall of the shaft hole, the clamping grooves also penetrate through the upper end and the lower end of the pressure plate, clamping blocks are fixedly arranged on the side wall of the transmission shaft corresponding to each clamping groove, the clamping blocks are in sliding fit with the clamping grooves, so that the pressure plate can move up and down while the transmission shaft is driven to rotate, the height of the pressure plate in the vertical direction is changed, the pressure plate can move up and down, waste plastics on the supporting screen are hammered and refined until the waste plastics can fall from meshes of the supporting screen, a plurality of blanking ports are arranged on the pressure plate, waste plastics falling on the pressure plate fall below the pressure plate from the feed opening; the outer side wall of the pressure plate is provided with a guide groove surrounding a circle, and is provided with two highest points and two lowest points which are arranged at intervals, so that the distances between the adjacent highest points and the adjacent lowest points are equal, the circle is divided into four parts, and the pressure plate is convenient to be lifted and put down synchronously; fixed mounting has the support guide block that two symmetries set up on the inner wall of crushing barrel, supports the guide block and stretches into the guide way in, with guide way sliding connection, the guide way rotates under the drive of transmission shaft, simultaneously owing to support the guide block under the limiting displacement of guide way, makes the pressure disk can reciprocate, and intermittent type nature's hammering realizes waste plastics to smash on the support screen cloth of below.

Further: a plurality of crushing blades are fixed on the side wall of the transmission shaft corresponding to the lower part of the support screen, and waste plastic fragments falling from the upper part are crushed again by the crushing blades.

Further: the height of the pressing plate is 30-50 mm.

Further: the clamping grooves are at least two and are arranged at equal intervals.

Further: the cross sectional area between two adjacent feed openings is larger than that of the feed openings, and after the pressing plate moves upwards, waste plastics in the feed openings fall below the pressing plate.

Further: the fan is communicated with the refrigeration equipment through a pipeline, cold air is prepared in the refrigeration equipment and is sent into the feeding barrel through the fan, so that the temperature in the feeding barrel is reduced, the temperature of waste plastics is reduced, and the waste plastics are easier to crush; the top of play feed cylinder is gone up the intercommunication and is had the rose box, installs the air exhauster on the top of rose box, takes the air of inside out, is convenient for with the waste plastics powder separation in the air, avoid diffusing in the ambient air.

Further: the feeding barrel is fixed with a round of cooling cover coaxial with the feeding barrel at the joint of the feeding barrel and the crushing barrel, the cooling cover is made of copper, cold air blows from the cooling cover, particularly the cold air blows from the top is absorbed by the cooling cover, the whole temperature of the cooling cover is low, waste plastics passing through the cooling cover contact the cooling cover, the utilization of the cold air is improved, and the loss is reduced.

Further: the length of the cooling cover is 10-20 mm.

Compared with the prior art, the invention has the beneficial effects that: the waste plastic crushing device can move up and down in the rotating process through the arranged pressure plate, waste plastics falling between the pressure plate and the support screen are crushed in multiple directions, the waste plastics are refined until the waste plastics fall from the support screen, the fallen waste plastics scraps are ensured to be uniform, and the crushing effect is strong; inside lets in air conditioning, reduces the temperature of internal plant, avoids waste plastics to be heated and softens, is convenient for make waste plastics more easily smash under the low temperature environment, improves crushing effect.

Drawings

Fig. 1 is a schematic structural view of a screw-driven hammering waste plastic recycling and processing apparatus.

Fig. 2 is a schematic view of the structure of a platen in a screw-driven hammering waste plastic recycling processing apparatus.

Fig. 3 is a schematic view of a blow box in a screw-driven hammering waste plastic recycling processing apparatus.

In the figure: 1-crushing barrel, 2-feeding barrel, 3-discharging barrel, 4-guide plate, 5-fan, 6-exhaust fan, 7-filter box, 8-motor, 9-transmission shaft, 10-supporting screen mesh, 11-crushing blade, 12-pressure plate, 13-supporting guide block, 14-clamping block, 15-clamping groove, 16-shaft hole, 17-discharging opening, 18-guide groove, 19-blowing box, 20-filling opening, 21-nozzle, 22-refrigerating equipment and 23-cooling cover.

Detailed Description

Example 1

Referring to the drawings, in the embodiment of the invention, a screw-driven hammering waste plastic recycling and processing device comprises a crushing cylinder 1, a feeding cylinder 2, a discharging cylinder 3 and a material guide plate 4; the feeding barrel 2 is communicated with the top of the side wall of the crushing barrel 1, the feeding barrel 2 is horizontally arranged, waste plastics enter the crushing barrel 1 from the right end of the feeding barrel 2, the material guide plate 4 obliquely and downwards extends into the feeding barrel 2, and the waste plastics enter the feeding barrel 2 along the material guide plate 4; the blowing box 19 with an annular structure is fixedly installed in the feeding barrel 2, a filling opening 20 is formed in the center of the blowing box 19, the guide plate 4 penetrates through the filling opening 20, waste plastics fall on the right side of the filling opening 20, the blowing box 19 is of a hollow structure, a plurality of horizontal nozzles 21 are communicated on the right side of the blowing box 19, the blowing box 19 is communicated with the fan 5 through a pipeline, air in the blowing box 19 is driven to flow, air is horizontally blown out through the nozzles 21, and the plastics falling in the feeding barrel 2 are blown into the crushing barrel 1.

A motor 8 is coaxially and fixedly installed on the center of the top of the crushing barrel 1, an output shaft of the motor 8 vertically extends downwards into the crushing barrel 1, a vertical transmission shaft 9 is coaxially fixed at the lower end of the output shaft of the motor 8, the lower end of the transmission shaft 9 is rotatably connected to the bottom of the crushing barrel 1 through a bearing, and the motor 8 drives the transmission shaft 9 to rotate; a horizontal supporting screen 10 is fixedly installed in the middle of the inside of the crushing barrel 1, falling waste plastics are crushed on the supporting screen 10, a horizontal pressing plate 12 in clearance fit with the inner wall of the crushing barrel 1 is arranged above the supporting screen 10, the height of the pressing plate 12 is 30-50mm, a through shaft hole 16 is formed in the center of the pressing plate 12, a transmission shaft 9 penetrates through the shaft hole 16, a plurality of vertical clamping grooves 15 are formed in the side wall of the shaft hole 16, the clamping grooves 15 also penetrate through the upper end and the lower end of the pressing plate 12, at least two clamping grooves 15 are arranged at equal intervals, clamping blocks 14 are fixedly installed on the side wall of the transmission shaft 9 corresponding to each clamping groove 15, the clamping blocks 14 are in sliding fit with the clamping grooves 15, the pressing plate 12 can move up and down while the transmission shaft 9 is driven to rotate, the height of the pressing plate 12 in the vertical direction is changed, and the pressing plate 12 can, hammering the waste plastics on the supporting screen 10 to refine the waste plastics until the waste plastics can fall down from the meshes of the supporting screen 10, wherein a plurality of feed openings 17 are arranged on the pressure plate 12 at equal intervals, the feed openings 17 penetrate through the upper end and the lower end of the pressure plate 12, the waste plastics falling on the pressure plate 12 fall down from the feed openings 17, the cross sectional area between every two adjacent feed openings 17 is larger than that of the feed openings 17, and after the pressure plate 12 moves upwards, the waste plastics in the feed openings 17 fall down on the pressure plate 12; the outer side wall of the pressure plate 12 is provided with a guide groove 18 surrounding a circle, and is provided with two highest points and two lowest points which are arranged at intervals, so that the distances between the adjacent highest points and the adjacent lowest points are equal, the circumference is divided into four parts, and the pressure plate 12 is conveniently lifted and put down synchronously; the inner wall of the crushing barrel 1 is fixedly provided with two symmetrically-arranged supporting guide blocks 13, the supporting guide blocks 13 extend into the guide grooves 18 and are in sliding connection with the guide grooves 18, the guide grooves 18 are driven by the transmission shaft 9 to rotate, and meanwhile, due to the fact that the supporting guide blocks 13 are limited by the guide grooves 18, the pressing plate 12 can move up and down, intermittent hammering is carried out on the supporting screen 10 below, and waste plastic crushing is achieved.

A plurality of crushing blades 11 are fixed on the side wall of the transmission shaft 9 corresponding to the lower part of the support screen 10, and waste plastic fragments falling from the upper part are crushed again by the crushing blades 11.

Example 2

On the basis of the embodiment 1, the fan 5 is communicated with the refrigeration equipment 22 through a pipeline, cold air is prepared in the refrigeration equipment 22 and is sent into the feeding barrel 2 through the fan 5, so that the temperature in the feeding barrel 2 is reduced, the temperature of waste plastics is reduced, and the waste plastics are easier to crush; a circle of cooling cover 23 which is coaxial with the feeding cylinder 2 is fixed at the joint of the feeding cylinder 2 and the crushing cylinder 1, the length of the cooling cover 23 is 10-20mm, the cooling cover 23 is made of copper, cold air is blown through the cooling cover 23, particularly the cold air blown from the top is absorbed by the cooling cover 23, the whole temperature of the cooling cover is low, waste plastics passing through the cooling cover 23 are in contact with the cooling cover 23, the utilization of the cold air is improved, and the loss is reduced; go out the intercommunication and have rose box 7 on the top of feed cylinder 3, install air exhauster 6 on the top of rose box 7, take inside air out, be convenient for with the waste plastics powder separation in the air, avoid diffusing in the ambient air.

When waste plastics are crushed, the waste plastics are conveyed onto the material guide plate 4 and fall into the right side of the air blowing box 19 along the material guide plate 4, cold air horizontally blown out from the air blowing box 19 drives the waste plastics to move rightwards until the waste plastics enter the crushing barrel 1, the cold air reduces the temperature of the waste plastics, the waste plastics are prevented from being heated and adhering to the inside of equipment, and the low-temperature plastics are more easily crushed; waste plastics in the crushing barrel 1 fall into the feed opening 17 of the pressure plate 12, the transmission shaft 9 drives the pressure plate 12 to rotate, the rotating pressure plate 12 moves up and down under the action of the supporting guide block 13 and the guide groove 18, the waste plastics fall onto the supporting screen 10 below from the bottom of the feed opening 17 after the pressure plate 12 moves up, the pressure plate 12 hammers on the waste plastics after moving down, the waste plastics are crushed by hammering until the waste plastics can fall from meshes of the supporting screen 10, and the fallen waste plastics are subjected to rotary cutting crushing at the bottom of the crushing barrel 1 through the crushing blade 11.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A waste plastic recycling and processing device with screw drive hammering comprises a crushing barrel (1), a feeding barrel (2), a discharging barrel (3) and a material guide plate (4); the feeding barrel (2) is communicated with the top of the side wall of the crushing barrel (1), the feeding barrel (2) is horizontally arranged, the guide plate (4) obliquely and downwards extends into the feeding barrel (2), the blowing box (19) with an annular structure is fixedly installed in the feeding barrel (2), the center of the blowing box (19) is provided with a filling opening (20), the guide plate (4) penetrates through the filling opening (20), the blowing box (19) is of a hollow structure, a plurality of horizontal nozzles (21) are communicated on the right side of the blowing box (19), and the blowing box (19) is communicated with the fan (5) through a pipeline; the crushing machine is characterized in that a motor (8) is coaxially and fixedly mounted on the center of the top of the crushing barrel (1), an output shaft of the motor (8) vertically extends downwards into the crushing barrel (1), a vertical transmission shaft (9) is coaxially fixed at the lower end of the output shaft of the motor (8), and the lower end of the transmission shaft (9) is rotatably connected to the bottom of the crushing barrel (1) through a bearing; a horizontal supporting screen (10) is fixedly installed on the middle part in the crushing barrel (1), a horizontal pressing plate (12) in clearance fit with the inner wall of the crushing barrel (1) is arranged above the supporting screen (10), a through shaft hole (16) is formed in the center of the pressing plate (12), a transmission shaft (9) penetrates through the shaft hole (16), a plurality of vertical clamping grooves (15) are formed in the side wall of the shaft hole (16), the clamping grooves (15) also penetrate through the upper end and the lower end of the pressing plate (12), a clamping block (14) is fixedly installed on the side wall of the transmission shaft (9) corresponding to each clamping groove (15), the clamping blocks (14) are in sliding fit with the clamping grooves (15), a plurality of discharging ports (17) are arranged on the pressing plate (12) at equal intervals, and the discharging ports (17) penetrate through the upper end and the lower end of the pressing; the outer side wall of the pressure plate (12) is provided with a guide groove (18) which surrounds a circle, and is provided with two highest points and two lowest points, the highest points and the lowest points are arranged at intervals, and the distances between the adjacent highest points and the adjacent lowest points are equal; two symmetrically-arranged supporting guide blocks (13) are fixedly mounted on the inner wall of the crushing barrel (1), and the supporting guide blocks (13) extend into the guide grooves (18) and are in sliding connection with the guide grooves (18).

2. A screw-driven hammered waste plastic recycling processing apparatus as set forth in claim 1, wherein: a plurality of crushing blades (11) are fixed on the side wall of the transmission shaft (9) corresponding to the lower part of the support screen (10).

3. A screw-driven hammered waste plastic recycling processing apparatus as set forth in claim 1, wherein: the height of the pressing plate (12) is 30-50 mm.

4. A screw-driven hammered waste plastic recycling processing apparatus as set forth in claim 1, wherein: the clamping grooves (15) are at least two and are arranged at equal intervals.

5. A screw-driven hammered waste plastic recycling processing apparatus as set forth in claim 1, wherein: the cross-sectional area between two adjacent feed openings (17) is larger than that of the feed openings (17).

6. A screw-driven hammering waste plastic recycling and processing device as claimed in any one of claims 1 to 5, wherein: fan (5) are through pipeline intercommunication refrigeration plant (22), and the intercommunication has rose box (7) on the top of play feed cylinder (3), installs air exhauster (6) on the top of rose box (7).

7. A screw-driven hammered waste plastic recycling processing apparatus as set forth in claim 6, wherein: and a circle of cooling cover (23) which is coaxial with the feeding barrel (2) is fixed at the joint of the feeding barrel (2) and the crushing barrel (1) and is made of copper.

8. A screw-driven hammered waste plastic recycling processing apparatus as set forth in claim 7, wherein: the length of the cooling cover (23) is 10-20 mm.