Plastic cleaning device

Abstract

The utility model relates to the technical field of cleaning equipment, in particular to a plastic cleaning device which comprises a cleaning pool, a conveying mechanism, a discharging mechanism and a pressing conveying mechanism are connected to the cleaning pool, the discharging mechanism is located at the discharging end of the conveying mechanism, the conveying mechanism comprises a plurality of conveying units arranged and connected in the cleaning pool, and the conveying units are connected with the pressing conveying mechanism. The pressing conveying mechanism is located between any two adjacent conveying units. Plastic materials can be fully soaked and cleaned, and the cleaning effect can be effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of cleaning equipment more particularly, relate to a plastic cleaning device. BACKGROUND

[0002] Plastics have been widely used in industry, agriculture and various fields of the national economy. The recycling of waste plastics is an important means of resource recycling and green environmental protection. The current main recycling process of waste plastics is as follows: after waste plastics are recycled, they are first classified, then broken into pieces, cleaned and impurities removed, dewatered and dried, color selected and impurities removed, and extruded and pelletized to realize plastic recycling. In the cleaning stage of plastics, since the density of plastics is less than that of water, when the plastic materials are put into the cleaning tank, the plastics will float on the water surface, resulting in insufficient contact of the plastics with water and poor cleaning effect. In order to make the cleaning effect of plastic materials meet the needs of subsequent processes, most of the current plastic cleaning equipment sets at least two cleaning tanks in series to clean the plastic materials. However, such a cleaning equipment occupies a large area, takes a long time to clean and consumes a large amount of water, which is also not conducive to effectively improving the cleaning effect. SUMMARY

[0003] The utility model aims at overcoming the deficiency that the plastic materials in the prior art are prone to floating, resulting in poor cleaning effect, and provides a plastic cleaning device, which can fully soak and clean the plastic materials and effectively improve the cleaning effect.

[0004] To solve the above technical problems, the utility model adopts the technical scheme of:

[0005] A plastic cleaning device is provided, which comprises a cleaning tank, a conveying mechanism, a discharging mechanism and a pressing conveying mechanism connected to the cleaning tank. The discharging mechanism is located at the discharge end of the conveying mechanism. The conveying mechanism comprises a plurality of conveying units arranged in the cleaning tank. The pressing conveying mechanism is located between any two adjacent conveying units.

[0006] The plastic cleaning device comprises a conveying mechanism, a discharging mechanism and a pressing conveying mechanism connected to the cleaning tank. The discharging mechanism is located at the discharge end of the conveying mechanism. The conveying mechanism comprises a plurality of conveying units arranged in the cleaning tank. The pressing conveying mechanism is located between any two adjacent conveying units.

[0007] Preferably, the downward conveying mechanism comprises a rotating shaft arranged along the opening of the cleaning tank to the bottom of the cleaning tank, a spiral blade is connected to the rotating shaft, and a first driving member is drivingly connected to the rotating shaft; the rotating shaft and / or the first driving member is connected to the cleaning tank through a connecting member.

[0008] Preferably, the downward conveying mechanism further comprises a partition plate connected in the cleaning tank, the partition plate is arranged along the opening of the cleaning tank to the bottom of the cleaning tank, a gap is formed between the partition plate and the bottom, and the partition plate is located at one end close to the discharging mechanism compared with the rotating shaft.

[0009] Preferably, the discharging mechanism comprises a discharging impeller connected to the cleaning tank in a rotating manner, and a second driving member drivingly connected to the discharging impeller, a plurality of discharging paddles are connected to the discharging impeller.

[0010] Preferably, the plurality of discharging paddles are arranged along the circumference of the discharging impeller, and a first bending portion is arranged on the discharging paddles.

[0011] Preferably, the conveying unit comprises a conveying impeller connected to the cleaning tank in a rotating manner, and a third driving member drivingly connected to the conveying impeller, a plurality of conveying paddle groups are connected to the conveying impeller.

[0012] Preferably, the plurality of conveying paddle groups are arranged along the circumference of the conveying impeller, and each conveying paddle group comprises a plurality of conveying paddles arranged in a staggered manner, and a second bending portion is arranged on the conveying paddles.

[0013] Preferably, the plastic cleaning device further comprises a feeding mechanism connected to the bottom of the cleaning tank, and a discharging mechanism arranged close to the discharging mechanism, and an inlet end of the discharging mechanism is connected to the opening of the cleaning tank.

[0014] Preferably, the plastic cleaning device further comprises a residue discharging mechanism, and an inlet end of the residue discharging mechanism is connected to the bottom of the cleaning tank.

[0015] Preferably, the cross-sectional area of the cleaning tank gradually decreases from the opening side to the bottom side.

[0016] Compared with the prior art, the plastic cleaning device has the following beneficial effects:

[0017] 1. The conveying mechanism can be used to convey the plastic material put into the cleaning tank through a plurality of conveying units arranged in an array, the downward conveying mechanism can press the plastic material downward, the plastic material can be fully soaked in the cleaning tank, and the cleaning effect is improved; and the discharging mechanism can be used to discharge the plastic material after cleaning.

[0018] 2. The spiral blades are designed to convey plastic materials toward the bottom of the cleaning tank. The baffles allow the materials to pass through the gap between the baffles and the bottom of the tank, further improving the soaking and cleaning effect of the plastic materials in the cleaning tank.

[0019] 3. The first bend on the discharge paddle can also be used to press the plastic material down below the horizontal plane, improving the cleaning effect. Attached Figure Description

[0020] Figure 1 This is a top view structural diagram of a plastic cleaning device according to this utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of a plastic cleaning device according to the present invention;

[0022] Figure 3 This is a schematic diagram of the structure of a plastic cleaning device according to the present invention;

[0023] Figure 4 for Figure 3 Enlarged schematic diagram of section I;

[0024] Figure 5 This is a structural schematic diagram of a plastic cleaning device according to the present invention, viewed from the left side.

[0025] In the attached diagram: 100, washing tank; 200, feeding mechanism; 210, first screw conveyor; 220, feeding cylinder; 230, first baffle; 240, first filter structure; 300, conveying mechanism; 310, conveying impeller; 311, conveying blade; 312, second bending section; 320, third driving component; 400, discharge mechanism; 410, discharge impeller; 411, discharge blade; 412, first bending section; 4 20. Second driving component; 500. Downward conveying mechanism; 510. Rotating shaft; 520. Spiral blade; 530. First driving component; 540. Connecting component; 550. Partition plate; 600. Discharge mechanism; 610. Second screw conveyor; 620. Discharge port; 700. Slag discharge mechanism; 710. Third screw conveyor; 720. Slag discharge port; 730. Second baffle plate; 740. Second filter structure; 800. Support frame. Detailed Implementation

[0026] The present invention will be further described below with reference to specific embodiments. The accompanying drawings are for illustrative purposes only, representing schematic diagrams rather than actual physical objects, and should not be construed as limiting the scope of this patent. To better illustrate the embodiments of the present invention, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0027] The same or similar reference signs in the drawings of the embodiments of the present application correspond to the same or similar components; in the description of the present application, it is understood that if the orientations or positional relationships indicated by the terms "upper", "lower", "left", "right" and the like are based on the orientations or positional relationships shown in the drawings, they are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore the terms describing the positional relationships in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the present patent, for those skilled in the art, the specific meanings of the above terms can be understood according to the specific circumstances.

[0028] Embodiment one

[0029] As Figures 1 to 5 shown is a first embodiment of the plastic cleaning device, which comprises a cleaning pool 100, a conveying mechanism 300, a discharging mechanism 400 and a downward conveying mechanism 500 are connected to the cleaning pool 100, the discharging mechanism 400 is located at the discharging end of the conveying mechanism 300, the conveying mechanism 300 comprises a plurality of conveying units arranged in the cleaning pool 100, and the downward conveying mechanism 500 is located between any two adjacent conveying units.

[0030] The arrangement of the conveying mechanism 300 can be used to convey the plastic material put into the cleaning pool 100 through a plurality of arranged conveying units, the arrangement of the downward conveying mechanism 500 can press the plastic material downward, the plastic material can be fully soaked in the cleaning pool 100, and the cleaning effect is improved; the arrangement of the discharging mechanism 400 can be used to discharge the plastic material after cleaning.

[0031] As Figures 1 to 3As shown, the downward conveying mechanism 500 comprises a rotating shaft 510 arranged along the opening of the cleaning tank 100 to the bottom of the cleaning tank 100, the rotating shaft 510 is connected with a spiral blade 520, and the rotating shaft 510 is drivingly connected with a first driving member 530; the rotating shaft 510 and / or the first driving member 530 are connected with the cleaning tank 100 through a connecting member 540. The downward conveying mechanism 500 further comprises a partition plate 550 connected in the cleaning tank 100, the partition plate 550 is arranged along the opening of the cleaning tank 100 to the bottom of the cleaning tank 100, there is a gap between the partition plate 550 and the bottom, and the partition plate 550 is located at one end close to the discharging mechanism 400 compared with the rotating shaft 510. Wherein, the rotating shaft 510 can be arranged obliquely or vertically, and the partition plate 550 can also be arranged obliquely or vertically correspondingly. In the embodiment, the rotating shaft 510 is arranged vertically, and the partition plate 550 is also arranged vertically, the partition plate 550 divides the cleaning tank 100 into two accommodation spaces, and the two accommodation spaces can be communicated through the gap. Specifically, the first driving member 530 is a first motor, the first motor is drivingly connected with the rotating shaft 510, the connecting member 540 comprises a connecting plate, both ends of the connecting plate are connected with the opening of the cleaning tank 100, and the rotating shaft 510 is connected with the connecting plate through a bearing seat; in order to improve the connection stability of the downward conveying mechanism 500, the base of the first motor can also be connected with the connecting plate through a connecting seat or a connecting block. In the embodiment, the distance between the lower end of the partition plate 550 and the bottom of the cleaning tank 100 is not less than 30 cm, and preferably can be 30 cm.

[0032] As shown in Figures 1 to 4 , the discharging mechanism 400 comprises a discharging impeller 410 rotatingly connected in the cleaning tank 100, further comprises a second driving member 420 drivingly connected with the discharging impeller 410, and a plurality of discharging paddles 411 are connected on the discharging impeller 410. In the embodiment, the discharging impeller 410 is arranged close to the opening of the cleaning tank 100. Wherein, the plurality of discharging paddles 411 are arranged along the circumference of the discharging impeller 410, and it should be noted that the plurality of discharging paddles can be arranged uniformly along the circumference of the discharging impeller 410, or can be arranged non-uniformly along the circumference of the discharging impeller 410. The length of the discharging paddle 411 is the same as or similar to the length of the discharging impeller 410, and it should be noted that the length of the discharging impeller 410 and the length of the discharging paddle 411 both refer to the length distance along the axial direction of the discharging impeller 410. Figure 3 and Figure 4 As shown in

[0033] As shown in Figures 1 to 4As shown, the conveying unit comprises a conveying impeller 310 rotatably connected in the cleaning tank 100, and further comprises a third driving member 320 drivingly connected with the conveying impeller 310, and a plurality of conveying paddle groups are connected on the conveying impeller 310. In the embodiment, the plurality of conveying impellers 310 are arranged close to the opening of the cleaning tank 100. The plurality of conveying paddle groups are arranged along the circumference of the conveying impeller 310. It is to be noted that the plurality of conveying paddle groups can be uniformly arranged along the circumference of the conveying impeller 310 or non-uniformly arranged along the circumference of the conveying impeller 310. In the embodiment, the conveying paddle group comprises a plurality of conveying paddles 311 arranged in a staggered manner along the axial direction of the conveying impeller 310, and a second bending portion 312 is arranged on the conveying paddle 311. The second bending portion 312 enables the conveying paddle 311 to form a cross-section in the shape of V. Specifically, each conveying paddle group can be provided with 3-8 conveying paddles 311. Specifically, the conveying mechanism 300 can set the number of conveying units according to the actual use scene. As a preferred, four conveying units, i.e. four conveying impellers 310, can be provided. In the embodiment, the third driving member 320 is arranged outside the cleaning tank 100. The third driving member 320 can be provided with a corresponding number of third motors according to the number of conveying impellers 310, and the conveying impeller 310 is drivingly connected with the third motor in a one-to-one correspondence. The third driving member 320 can further comprise a third motor and a transmission mechanism, and the third motor is connected with the plurality of conveying impellers 310 through the transmission mechanism. The transmission mechanism can be a synchronous belt wheel mechanism, a gear and rack mechanism, or other applicable transmission mechanisms.

[0034] As shown in Figure 2 , Figure 3 and Figure 5 , the cross-sectional area of the cleaning tank 100 gradually decreases from the opening side to the bottom side. In the embodiment, the cleaning tank 100 can be a reversed prism structure or a conical structure, and a support frame 800 is connected on the cleaning tank 100 to stably place the cleaning tank 100.

[0035] The working principle of the plastic cleaning device is as follows:

[0036] The plastic material is put into the cleaning tank 100 for cleaning, and the conveying mechanism 300, the discharging mechanism 400 and the downward conveying mechanism 500 are started. First, the plastic material is conveyed towards the downward conveying mechanism 500 along with the rotation of the conveying paddles 311 on the conveying impeller 310, and then the plastic material is transported towards the bottom of the tank along with the spiral blades 520, so that the plastic material can be fully soaked. After passing through the gap between the partition plate 550 and the bottom of the tank, the plastic material will float upwards due to its lower density than water, and then continue to be conveyed towards the discharging mechanism 400 along with the rotation of the conveying paddles 311 on the conveying impeller 310. Finally, the discharging paddles 411 of the discharging impeller 410 are used to discharge the plastic material.

[0037] Embodiment Two

[0038] The second embodiment of the plastic cleaning device is similar to the first embodiment, but differs in that, as shown in Figures 1 to 3 、 Figure 5 The plastic cleaning device further comprises a feeding mechanism 200 connected to the bottom of the cleaning tank 100, and a discharging mechanism 600 arranged near the discharging mechanism 400, and the inlet end of the discharging mechanism 600 is connected to the opening of the cleaning tank 100. The arrangement of the feeding mechanism 200 can facilitate the uniform feeding of a large amount of plastic material into the cleaning tank 100, and the arrangement of the outlet end of the feeding mechanism 200 connected to the bottom of the tank can also be used to fully soak the plastic material, thereby improving the cleaning effect.

[0039] Specifically, the feeding mechanism 200 comprises a first screw conveyor 210 arranged obliquely, and the first screw conveyor 210 is arranged obliquely downward from the inlet end to the outlet end. The inlet end of the first screw conveyor 210 is connected and communicated with a feeding cylinder 220, and the outlet end of the first screw conveyor 210 is connected and communicated with the bottom of the cleaning tank 100. In order to facilitate the drainage of the cleaning tank 100, the outlet end of the first screw conveyor 210 is provided with a first drainage port, a first baffle 230 is rotatably connected at the first drainage port, and a first filter screen structure 240 is connected at the first drainage port. The arrangement of the first filter screen structure 240 can prevent the material from leaking out of the first drainage port.

[0040] Specifically, one end of the cleaning tank 100 near the discharging mechanism 400 is provided with a protruding frame connected to the cleaning tank 100. The discharging mechanism 600 comprises a second screw conveyor 610 arranged horizontally, and the second screw conveyor 610 is connected and communicated with the bottom of the protruding frame. The outlet end of the second screw conveyor 610 is provided with a discharging port 620 for facilitating discharging.

[0041] It should be noted that the plastic cleaning device can further comprise a control device, and the feeding mechanism 200, the conveying mechanism 300, the discharging mechanism 400, the pressing conveying mechanism 500, and the discharging mechanism 600 are all in communication connection with the control device, so that the operation of each mechanism can be controlled by the control device. Specifically, the control device can be a PLC controller, and the first screw conveyor 210, the third driving member 320, the second driving member 420, the first driving member 530, and the second screw conveyor 610 are all electrically connected with the PLC controller. It should be noted that the control device can also be other applicable controllers.

[0042] The working principle of the plastic cleaning device of the embodiment is as follows:

[0043] The plastic material is fed through the feeding cylinder 220, and the plastic material can be transported by the first screw conveyor 210 to the bottom of the cleaning tank 100, and then the plastic material is cleaned and transported by the conveying mechanism 300 and the downward conveying mechanism 500 in the cleaning tank 100, and finally transported to the discharging mechanism 400 through the discharging mechanism 400, and the plastic material cleaned can be transported by the second screw conveyor 610 to the discharge port 620 for discharging; when the drainage operation is needed after the cleaning is completed, the drainage can be realized by opening the first baffle 230.

[0044] Embodiment three

[0045] The third embodiment of the plastic cleaning device is similar to the first or second embodiment, and the difference is that, as shown in Figures 1 to 3 The plastic cleaning device further comprises a slag discharging mechanism 700, and the inlet end of the slag discharging mechanism 700 is connected with the bottom of the cleaning tank 100.

[0046] Specifically, the slag discharging mechanism 700 comprises a third screw conveyor 710 arranged obliquely, and the third screw conveyor 710 is arranged obliquely upward from the inlet end to the outlet end; the inlet end of the third screw conveyor 710 is connected with and communicated with the bottom of the cleaning tank 100, and the outlet end of the third screw conveyor 710 is provided with a slag discharge port 720. In addition, the inlet end of the third screw conveyor 710 is provided with a second drainage port, the second drainage port is rotatably connected with a second baffle 730, and the second drainage port is connected with a second filter screen structure 740, and the second filter screen structure 740 is arranged to prevent material residues from leaking out of the second drainage port. When the plastic cleaning device further comprises a control device, the slag discharging mechanism 700 can also be connected with the control device to realize the operation control of the slag discharging mechanism 700.

[0047] The working principle of the plastic cleaning device of the embodiment is as follows:

[0048] In the process of cleaning the plastic material, the impurity material contained in the plastic material will separate from the surface of the plastic material, and since the density of the impurity material is mostly greater than the density of water, the impurity material will sink to the bottom of the tank, and at this time, the slag discharging mechanism 700 can be used to discharge the slag.

[0049] In the specific contents of the above specific embodiments, any combination of technical features can be combined without contradiction, and in order to make the description simple, not all possible combinations of the above technical features are described, however, as long as the combination of these technical features does not exist contradiction, it should be considered as the scope described in the specification.

[0050] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, it is not necessary and also impossible to exhaust all the implementation modes. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A plastic cleaning device, characterized in that, The application relates to a cleaning tank (100) which is connected with a conveying mechanism (300), a discharging mechanism (400) and a pressing conveying mechanism (500), the discharging mechanism (400) is located at the discharging end of the conveying mechanism (300), the conveying mechanism (300) comprises a plurality of conveying units which are arranged in the cleaning tank (100), and the pressing conveying mechanism (500) is located between any two adjacent conveying units.

2. The plastic cleaning device of claim 1, wherein, The pressing conveying mechanism (500) comprises a rotating shaft (510) which is arranged from the opening of the cleaning tank (100) to the bottom of the cleaning tank (100), the rotating shaft (510) is connected with a spiral blade (520), and the rotating shaft (510) is drivingly connected with a first driving member (530); the rotating shaft (510) and / or the first driving member (530) are connected with the cleaning tank (100) through a connecting member (540).

3. The plastic cleaning device of claim 2, wherein, The pressing conveying mechanism (500) further comprises a partition plate (550) which is arranged in the cleaning tank (100), the partition plate (550) is arranged from the opening of the cleaning tank (100) to the bottom of the cleaning tank (100), a gap is formed between the partition plate (550) and the bottom, and the partition plate (550) is located at one end close to the discharging mechanism (400) compared with the rotating shaft (510).

4. The plastic cleaning device of claim 1, wherein, The discharging mechanism (400) comprises a discharging impeller (410) which is rotatably connected in the cleaning tank (100), and further comprises a second driving member (420) which is drivingly connected with the discharging impeller (410), and the discharging impeller (410) is connected with a plurality of discharging paddles (411).

5. The plastic cleaning device of claim 4, wherein, The plurality of discharging paddles (411) are arranged along the circumference of the discharging impeller (410), and the discharging paddles (411) are provided with first bending portions (412).

6. The plastic cleaning device of claim 1, wherein, The conveying unit comprises a conveying impeller (310) which is rotatably connected in the cleaning tank (100), and further comprises a third driving member (320) which is drivingly connected with the conveying impeller (310), and the conveying impeller (310) is connected with a plurality of conveying paddle groups.

7. The plastic cleaning device of claim 6, wherein, The plurality of conveying paddle groups are arranged along the circumference of the conveying impeller (310), and the conveying paddle group comprises a plurality of conveying paddles (311) which are arranged in a staggered mode, and the conveying paddles (311) are provided with second bending portions (312).

8. The plastic cleaning device according to any one of claims 1 to 7, characterized in that The application further comprises a feeding mechanism (200) which is connected with the bottom of the cleaning tank (100), and further comprises a discharging mechanism (600) which is arranged close to the discharging mechanism (400), and the inlet end of the discharging mechanism (600) is connected with the opening of the cleaning tank (100).

9. The plastic cleaning device according to any one of claims 1 to 7, characterized in that The application further comprises a slag discharging mechanism (700), and the inlet end of the slag discharging mechanism (700) is connected with the bottom of the cleaning tank (100).

10. The plastic cleaning device according to any one of claims 1 to 7, characterized in that The cross-sectional area of the cleaning tank (100) gradually decreases from the opening side to the bottom side.

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