Water-free separation device for waste plastics

Abstract

The utility model discloses a waste plastic waterless separation device, which is characterized in that a crushing mechanism, a separation mechanism and a sorting mechanism are matched to form a waste plastic treatment assembly line, and compared with the traditional waste plastic waterless separation device, the waste plastic waterless separation device does not need to adopt water resources and chemical cleaning agents, adopts a pure mechanical structure assembly line to realize waste plastic cleaning operation, and is lower in treatment cost; and the problems of water resource waste and environmental pollution are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to waste plastics recycling technical field, especially in kind of waste plastics anhydrous separation device. BACKGROUND

[0002] At present, recycling waste plastics to realize secondary utilization is the mainstream trend of controlling plastic pollution; the waste plastics recovered from everywhere usually adhere to impurities such as paper scraps, films, etc., which need to be cleaned before entering subsequent processing.

[0003] At present, most of the cleaning of waste plastics adopts 'wet cleaning', using water as the cleaning medium and adding a large amount of chemical cleaning agent, which dissolves and peels off the impurities such as paper scraps and films by using the cleaning agent, but it needs a large amount of water resources and chemical cleaning agent, which has the problems of wasting water resources and high cleaning cost, and the waste water formed by the cleaning agent also easily causes environmental pollution. UTILITY MODEL CONTENTS

[0004] The main purpose of the utility model is to provide a kind of waste plastics anhydrous separation device, to reduce the cost of waste plastics cleaning treatment, avoid the problems of wasting water resources and environmental pollution.

[0005] To achieve the above purpose, the utility model provides a kind of waste plastics anhydrous separation device, comprising:

[0006] The crushing mechanism is used for crushing waste plastics;

[0007] The separation mechanism includes a stirring barrel and a stirring roller pivotally arranged in the stirring barrel, the crushed waste plastics are sent into the stirring barrel, and the waste plastics are continuously collided and rubbed between the waste plastics, the waste plastics and the stirring roller, and the waste plastics and the inner wall of the stirring barrel through the pivoting stirring of the stirring roller to separate the impurities adhered to the surface of the waste plastics;

[0008] The sorting mechanism includes a sorting barrel and an air extractor, the air extractor is used for air extraction of the sorting barrel, the impurities and waste plastics mixture formed after the operation of the separation mechanism is sent into the sorting barrel, and the light quality impurities are separated by the airflow generated by the air extractor during the operation.

[0009] Preferably, the crushing mechanism includes a machine body, a rotating shaft with a first blade, a second blade fixed in the machine body, and a driving motor, the rotating shaft is pivotally installed in the machine body and can make pivoting action relative to the machine body, the first blade can swing with the pivoting of the rotating shaft and can be broken with the second blade in the process of swinging, the driving motor is used for driving the rotating shaft to make pivoting action.

[0010] Preferably, a first conveying belt is further provided, the feeding end and the discharging end of the machine body are respectively located at the upper part and the lower part of the machine body, and the first conveying belt is arranged obliquely to convey the waste plastics from the lower part to the feeding end located at the upper part of the machine body.

[0011] Preferably, a first transmission belt is further provided, one end of the rotating shaft is exposed outside the machine body and connected with one end of the first transmission belt, the driving motor is fixed outside the machine body, and the other end of the first transmission belt is connected with the rotating end of the driving motor.

[0012] Preferably, the separating mechanism further comprises a frame body and a rotating motor, the stirring barrel is transversely arranged on the frame body, the stirring roller is uniformly provided with a plurality of blades, adjacent two blades are oppositely inclined to each other, and a plurality of the blades can swing to realize stirring action with the pivoting of the stirring roller, and the rotating motor is used to drive the stirring roller to pivot.

[0013] Preferably, a second conveying belt is further provided, the feeding end and the discharging end of the stirring barrel are respectively located at the upper part and the lower part of the stirring barrel, the stirring barrel is pivotally provided with a door body, the door body can swing relative to the stirring barrel between a position of closing the discharging end of the stirring barrel and a position of opening the discharging end of the stirring barrel, and the second conveying belt is arranged obliquely, the feeding end and the discharging end of the second conveying belt are respectively connected with the discharging end of the crushing mechanism and the feeding end of the separating mechanism, and the waste plastics crushed by the crushing mechanism fall into the feeding end of the second conveying belt and then are sent into the separating mechanism by the second conveying belt.

[0014] Preferably, a second transmission belt is further provided, one end of the stirring roller is exposed outside the stirring barrel and connected with one end of the second transmission belt, the rotating motor is fixed on the frame body, and the other end of the second transmission belt is connected with the rotating end of the rotating motor.

[0015] Preferably, the sorting mechanism further comprises a support for fixing the sorting barrel, the top and the bottom of the sorting barrel are open, the suction end of the air blower is connected with the top opening of the sorting barrel, a feeding pipe in communication with the inside of the sorting barrel is arranged on the peripheral wall of the sorting barrel, a spiral conveying rod driven by a first servo motor is pivotally arranged in the feeding pipe, and the mixture of sundries and waste plastics is sent into the sorting barrel by the spiral conveying rod after being sent into the feeding pipe.

[0016] Preferably, a third conveying belt and a hopper are further provided, the hopper is in communication with the feeding pipe, the third conveying belt is arranged obliquely, the feeding end and the discharging end of the third conveying belt are respectively connected with the discharging end of the stirring barrel and the hopper, and the mixture of sundries and waste plastics flowing out of the stirring barrel falls into the feeding end of the third conveying belt and then is sent to the hopper by the third conveying belt to enter the feeding pipe.

[0017] Preferably, the inner bottom of the sorting barrel is provided with a cross-shaped support rod, the support rod is pivotally provided with a rotating disc driven by a second servo motor, and a spacing space is formed between the rotating disc peripheral wall and the inner side wall of the sorting barrel.

[0018] The utility model discloses technical scheme through broken mechanism, separating mechanism and sorting mechanism three cooperation form waste plastics processing assembly line, first, the waste plastics containing such as paper scrap, film and so on impurity are concentrated and are broken into proper size through broken mechanism, after that, send to the stirring barrel of separating mechanism, make the waste plastics in the stirring barrel form and keep vortex state through the pivoting stirring of stirring roller in the stirring barrel, vortex state makes waste plastics and waste plastics between, waste plastics and stirring roller between, waste plastics and the inner wall of stirring barrel between continuous collision and friction, paper scrap, film and so on impurity can gradually separate from waste plastics after a certain time, after the waste plastics in the stirring barrel completely change into the mixture of sundries and waste plastics, send it to the sorting barrel of separating mechanism, there is an air extractor to the sorting barrel and carries out the air extraction in the sorting barrel, in the process of the mixture of sundries and waste plastics falling in the sorting barrel, the sundries of quality lighter are separated by the airflow generated by the air extractor, and the waste plastics of quality heavier are not affected by the airflow and fall normally, realize the separation of sundries and waste plastics, and the waste plastics falling normally can be used for reprocessing. Compared with the prior art, the utility model discloses need not adopt water resource and chemical cleaning agent, and the cleaning operation of waste plastics is realized by pure mechanical structure assembly line, and the processing cost is lower, and there is no problem of waste of water resource and environmental pollution. BRIEF DESCRIPTION OF DRAWINGS

[0019] Fig. 1 It is the perspective view of the utility model;

[0020] Fig. 2 It is the sectional view of broken mechanism;

[0021] Fig. 3 It is the perspective view of separating mechanism;

[0022] Fig. 4 It is the schematic view of stirring roller and blade;

[0023] Fig. 5 It is the perspective view of sorting mechanism;

[0024] Fig. 6 It is the sectional view of sorting mechanism. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely in conjunction with the drawings, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the range of protection of the utility model.

[0026] It should be noted that if the embodiments of the utility model have directionality indication (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial), the directionality indication is only used to explain the relative position relationship, movement condition and the like between components in a certain specific posture (as shown in the drawings), if the specific posture changes, then the directionality indication also changes accordingly.

[0027] In addition, if the embodiments of the utility model have the description of "first" or "second", etc., the description of "first" or "second" is only for the purpose of description, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, and is not within the protection scope required by the utility model.

[0028] The utility model provides a kind of waste plastics anhydrous separation device.

[0029] In the embodiments of the utility model, as shown in Figs. 1 to 6 The waste plastics anhydrous separation device comprises:

[0030] The crushing mechanism 1 is used to crush waste plastics.

[0031] The separation mechanism 2 comprises a stirring barrel 21 and a stirring roller 22 pivotally arranged in the stirring barrel 21. The crushed waste plastics are fed into the stirring barrel 21, and the waste plastics are continuously collided and rubbed between each other, between the waste plastics and the stirring roller 22, and between the waste plastics and the inner wall of the stirring barrel 21 through the pivoting stirring of the stirring roller 22 to separate the sundries adhered to the surface of the waste plastics.

[0032] The sorting mechanism 3 comprises a sorting barrel 31 and an air extractor. The air extractor is used to extract air from the sorting barrel 31. The sundries and waste plastics mixture formed after the operation of the separation mechanism 2 is fed into the sorting barrel 31, and the light quality sundries are separated by the airflow generated by the air extractor during the operation.

[0033] Specifically, the crushing mechanism 1 comprises a body 11, a rotating shaft 12 with a first blade 13, a second blade 14 fixed inside the body 11, and a driving motor 15, the rotating shaft 12 is pivotally installed inside the body 11 and can make a pivoting action relative to the body 11, the first blade 13 can swing with the pivoting of the rotating shaft 12 and can cooperate with the second blade 14 to crush the waste plastics sent into the body 11 in the process of swinging, and the driving motor 15 is used to drive the rotating shaft 12 to make a pivoting action.

[0034] Specifically, a first conveying belt 4 is further arranged, the feeding end and the discharging end of the body 11 are located at the upper part and the lower part of the body 11 respectively, and the first conveying belt 4 is arranged obliquely and used to convey the waste plastics from a low place to the feeding end located at the upper part of the body 11.

[0035] Specifically, a first transmission belt 16 is further arranged, one end of the rotating shaft 12 penetrates through the body 11 and is exposed outside and connected with one end of the first transmission belt 16, the driving motor 15 is fixed outside the body 11, and the other end of the first transmission belt 16 is connected with the rotating end of the driving motor 15.

[0036] Specifically, the separating mechanism 2 further comprises a frame body 23 and a rotating motor 24, the stirring barrel 21 is transversely arranged on the frame body 23, the stirring roller 22 is uniformly provided with a plurality of blades 25, adjacent two blades 25 are mutually inclined relative to each other, and a plurality of the blades 25 can swing with the pivoting of the stirring roller 22 to realize a stirring action, and the rotating motor 24 is used to drive the stirring roller 22 to make a pivoting action. Specifically, in the stirring process, the stirring roller 22 specifically collides and rubs with the waste plastics.

[0037] Specifically, a second conveying belt 5 is further arranged, the feeding end and the discharging end of the stirring barrel 21 are located at the upper part and the lower part of the stirring barrel 21 respectively, the stirring barrel 21 is pivotally provided with a door body 26, the door body 26 can swing relative to the stirring barrel 21 between a position of closing the discharging end of the stirring barrel 21 and a position of opening the discharging end of the stirring barrel 21, the second conveying belt 5 is arranged obliquely, the feeding end and the discharging end of the second conveying belt 5 are connected with the discharging end of the crushing mechanism 1 and the feeding end of the separating mechanism 2 respectively, and the waste plastics crushed by the crushing mechanism 1 fall into the feeding end of the second conveying belt 5 after flowing out of the crushing mechanism 1 and are sent into the separating mechanism 2 by the second conveying belt 5.

[0038] Specifically, a second transmission belt 27 is further arranged, one end of the stirring roller 22 penetrates through the stirring barrel 21 and is exposed outside and connected with one end of the second transmission belt 27, the rotating motor 24 is fixed to the frame body 23, and the other end of the second transmission belt 27 is connected with the rotating end of the rotating motor 24.

[0039] Specifically, the sorting mechanism 3 further comprises a support 32 for fixing the sorting barrel 31, the top and bottom of the sorting barrel 31 are open, the suction end of the exhaust fan is connected with the top opening of the sorting barrel 31, the peripheral wall of the sorting barrel 31 is provided with a feeding pipe 33 in communication with the inside of the sorting barrel 31, and the feeding pipe 33 is pivotally provided with a spiral conveying rod 35 driven by a first servo motor 34, and the mixture of sundries and waste plastics is sent into the sorting barrel 31 by the spiral conveying rod 35 after being sent into the feeding pipe 33.

[0040] Specifically, a third conveying belt 6 and a hopper 36 are further provided, the hopper 36 is in communication with the feeding pipe 33, and the third conveying belt 6 is obliquely arranged, the upper feeding end and the lower discharging end of the third conveying belt 6 are respectively connected with the discharging end of the stirring barrel 21 and the hopper 36, and the mixture of sundries and waste plastics flowing out of the stirring barrel 21 falls into the upper feeding end of the third conveying belt 6 and is then sent to the hopper 36 through the third conveying belt 6 to enter the feeding pipe 33.

[0041] Specifically, the inner bottom of the sorting barrel 31 is provided with a cross-shaped support rod 37, the support rod 37 is pivotally provided with a rotating disc 39 driven by a second servo motor 38, and there is a spacing space between the peripheral wall of the rotating disc 39 and the inner side wall of the sorting barrel 31, the mixture of sundries and waste plastics falling through the rotating disc 39 is scattered, the scattered waste plastics fall to the bottom opening of the sorting barrel 31 through the spacing space to realize discharging.

[0042] Specifically, the first conveying belt 4, the second conveying belt 5 and the third conveying belt 6 can refer to the prior art, and the specific structure and principle thereof will not be described here.

[0043] The utility model discloses technical scheme through broken mechanism, separating mechanism and sorting mechanism three cooperation form waste plastics processing assembly line, first, the waste plastics containing such as paper scrap, film and so on impurity are concentrated and are broken into proper size through broken mechanism, after being sent to the stirring barrel of separating mechanism, the waste plastics in stirring barrel form and keep vortex state through the pivoted stirring of stirring roller in stirring barrel, and vortex state makes the waste plastics between waste plastics, between waste plastics and stirring roller, between waste plastics and the inner wall of stirring barrel continuously collide and rub, after a certain time, paper scrap, film and so on impurity can gradually separate from waste plastics, after the waste plastics in stirring barrel completely change into the mixture of sundries and waste plastics, send it to the sorting barrel of sorting mechanism, and the sorting barrel has the air extractor to carry out the air extraction in the sorting barrel, in the process of the mixture of sundries and waste plastics falling in the sorting barrel, the sundries of light quality are separated by the airflow generated by the air extractor, and the waste plastics of heavy quality are not affected by the airflow and fall normally, realize the separation of sundries and waste plastics, and the waste plastics falling normally can be used for reprocessing.

[0044] The above only is the preferred embodiment of the utility model, and does not limit the patent range of the utility model, and the equivalent structural transformation of the contents of the utility model specification and attached drawing under the utility model concept of the utility model, or direct / indirect application in other related technical fields are included in the patent protection range of the utility model.

Claims

1. An apparatus for the non-aqueous separation of waste plastics, characterised in that, The utility model relates to a waste plastic recycling device, which comprises: a crushing mechanism (1) for crushing waste plastics; a separation mechanism (2) comprising a stirring barrel (21) and a stirring roller (22) pivotally arranged in the stirring barrel (21), the crushed waste plastics being fed into the stirring barrel (21), and the waste plastics being continuously collided and rubbed with each other, the stirring roller (22) and the inner wall of the stirring barrel (21) through the pivoting stirring of the stirring roller (22) to separate the sundries adhered to the surface of the waste plastics; a sorting mechanism (3) comprising a sorting barrel (31) and an air extractor for air extraction of the sorting barrel (31), the mixture of the sundries and the waste plastics formed after the operation of the separation mechanism (2) being fed into the sorting barrel (31), and the light sundries being separated by the air flow generated by the air extractor.

2. The waste plastic waterless separation device of claim 1, wherein: The crushing mechanism (1) comprises a machine body (11), a rotating shaft (12) with a first blade (13), a second blade (14) fixed in the machine body (11), and a driving motor (15), the rotating shaft (12) being pivotally arranged in the machine body (11) and being pivotable relative to the machine body (11), the first blade (13) being swingable with the pivoting of the rotating shaft (12) and being capable of crushing the waste plastics fed into the machine body (11) in cooperation with the second blade (14) in the process of swinging, and the driving motor (15) being used for driving the rotating shaft (12) to pivot.

3. The waste plastic waterless separation device of claim 2, wherein: A first conveying belt (4) is further arranged, the feeding end and the discharging end of the machine body (11) being located at the upper part and the lower part of the machine body (11) respectively, and the first conveying belt (4) being obliquely arranged for conveying the waste plastics from the lower part to the feeding end located at the upper part of the machine body (11).

4. The waste plastic waterless separation device of claim 2, wherein: A first transmission belt (16) is further arranged, one end of the rotating shaft (12) being exposed outside the machine body (11) and being connected with one end of the first transmission belt (16), the driving motor (15) being fixed outside the machine body (11), and the other end of the first transmission belt (16) being connected with the rotating end of the driving motor (15).

5. The waste plastic waterless separation device of claim 1, wherein: The separation mechanism (2) further comprises a frame body (23) and a rotating motor (24), the stirring barrel (21) being transversely arranged on the frame body (23), the stirring roller (22) being uniformly provided with a plurality of blades (25), the adjacent two blades (25) being inclined to each other, and the plurality of blades (25) being swingable with the pivoting of the stirring roller (22) to realize the stirring action, and the rotating motor (24) being used for driving the stirring roller (22) to pivot.

6. The waste plastic waterless separation device of claim 5, wherein: The second conveying belt (5) is obliquely arranged, and the upper feeding end and the lower feeding end of the second conveying belt (5) are connected with the discharging end of the crushing mechanism (1) and the feeding end of the separating mechanism (2) respectively, so that the waste plastics crushed by the crushing mechanism (1) fall into the upper feeding end of the second conveying belt (5) and are sent into the separating mechanism (2) by the second conveying belt (5).

7. The waste plastic waterless separation device as claimed in claim 5, wherein: The second transmission belt (27) is arranged, one end of the stirring roller (22) is exposed outside the stirring barrel (21) and connected with one end of the second transmission belt (27), the rotating motor (24) is fixed to the frame (23), and the other end of the second transmission belt (27) is connected with the rotating end of the rotating motor (24).

8. The waste plastic waterless separation device of claim 1, wherein: The sorting mechanism (3) further comprises a support (32) for fixing the sorting barrel (31), the top and bottom of the sorting barrel (31) are open, the suction end of the air blower is connected with the top opening of the sorting barrel (31), the peripheral wall of the sorting barrel (31) is provided with a feeding pipe (33) in communication with the inside of the sorting barrel (31), and the spiral conveying rod (35) driven by the first servo motor (34) is pivotally arranged in the feeding pipe (33); after the mixture of sundries and waste plastics is sent into the feeding pipe (33), the mixture is sent into the sorting barrel (31) by the spiral conveying rod (35).

9. The waste plastic waterless separation device of claim 8, wherein: The third conveying belt (6) and a hopper (36) are further arranged, the hopper (36) is in communication with the feeding pipe (33), the third conveying belt (6) is obliquely arranged, and the upper feeding end and the lower feeding end of the third conveying belt (6) are connected with the discharging end of the stirring barrel (21) and the hopper (36) respectively; after the mixture of sundries and waste plastics flows out of the stirring barrel (21) and falls into the upper feeding end of the third conveying belt (6), the mixture is sent to the hopper (36) by the third conveying belt (6) to enter the feeding pipe (33).

10. The waste plastic waterless separation device as claimed in claim 8, wherein: The inner bottom of the sorting barrel (31) is provided with a cross-shaped support rod (37), the support rod (37) is pivotally provided with a rotating disc (39) driven by a second servo motor (38), and a spacing space exists between the peripheral wall of the rotating disc (39) and the inner side wall of the sorting barrel (31).

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