CN117921904A - Polyethylene plastic waste material treatment facility that breaks - Google Patents
Polyethylene plastic waste material treatment facility that breaks Download PDFInfo
- Publication number
- CN117921904A CN117921904A CN202410323081.2A CN202410323081A CN117921904A CN 117921904 A CN117921904 A CN 117921904A CN 202410323081 A CN202410323081 A CN 202410323081A CN 117921904 A CN117921904 A CN 117921904A
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- China
- Prior art keywords
- swing arm
- pushing plate
- roller
- sprocket
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 title claims abstract description 99
- -1 Polyethylene Polymers 0.000 title claims abstract description 22
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 22
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 22
- 239000013502 plastic waste Substances 0.000 title claims abstract description 20
- 230000007246 mechanism Effects 0.000 claims abstract description 51
- 230000009471 action Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000008569 process Effects 0.000 claims abstract description 12
- 238000005336 cracking Methods 0.000 claims abstract description 7
- 238000010008 shearing Methods 0.000 claims abstract description 7
- 230000005540 biological transmission Effects 0.000 claims description 34
- 238000013016 damping Methods 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 5
- 229920003023 plastic Polymers 0.000 abstract description 7
- 239000004033 plastic Substances 0.000 abstract description 7
- 238000009825 accumulation Methods 0.000 abstract description 6
- 238000004064 recycling Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- 230000005574 cross-species transmission Effects 0.000 abstract 1
- 239000002699 waste material Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 230000005484 gravity Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000002269 spontaneous effect Effects 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000007711 solidification Methods 0.000 description 1
- 230000008023 solidification Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/52—Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Crushing And Pulverization Processes (AREA)
Abstract
The invention belongs to the technical field of plastic recycling and processing, and in particular relates to polyethylene plastic waste material cracking treatment equipment, which comprises the following components: the shell is provided with a crushing cavity, and the bottom wall of the crushing cavity is arc-shaped; the roller is arranged at the bottom of the shell and is rotationally connected with the shell; a fixed blade mounted to a bottom wall of the housing; the movable blade is arranged on the roller, and the movable blade and the fixed blade can form shearing action in the rotating process of the roller; the pushing mechanism comprises a swing arm and a pushing plate, wherein the swing arm is rotationally connected with the shell, and the pushing plate is movably connected with the swing arm. When the swing arm swings to the direction of keeping away from the roller, the material pushing plate can move to the direction of keeping away from the casing diapire for the swing arm, and then makes the material that stores up between material pushing plate top and the casing diapire can fall into material pushing plate below, has effectively avoided the accumulation phenomenon of material, and when can prevent the swing arm upward swing simultaneously, material pushing plate releases broken chamber outside with the material, avoids the material to spill over.
Description
Technical Field
The invention belongs to the technical field of plastic recycling and processing, and particularly relates to polyethylene plastic waste material cracking treatment equipment.
Background
Polyethylene plastic products are generally formed by extrusion molding, and in the debugging stage, a large amount of waste materials (also called machine head materials) are generated by the extrusion molding machine, and the waste materials are generally in a block shape after cooling and solidification, so that the waste materials need to be crushed for recycling reasons. The prior art generally adopts the unipolar shredder to carry out the breakage to the waste material, and unipolar shredder among the prior art includes the feed bin, sets up crushing roller in the feed bin, in order to make the material in the feed bin fully contact with crushing roller, generally can set up a flitch in the feed bin, and the flitch has two kinds of oscillating and translation, and wherein the oscillating flitch occupation space is less, and response speed is faster, therefore the application is extensive. However, the upper end of the swing type pushing plate is easy to store materials in the swing process, and the materials cannot be automatically discharged, so that the equipment maintenance cost is high. In addition, when the material in the material bin is full, the pushing plate swings upwards to possibly overflow the material from the upper end of the material bin, and the using effect is poor.
Disclosure of Invention
In view of the above-described drawbacks of the prior art, an object of the present invention is to provide a polyethylene plastic waste material breaking treatment apparatus capable of preventing accumulation and overflow of materials.
To achieve the above and other related objects, the present invention provides a polyethylene plastic waste material breaking treatment apparatus comprising:
The shell is provided with a crushing cavity, and the bottom wall of the crushing cavity is arc-shaped;
the roller is arranged at the bottom of the shell and is rotationally connected with the shell;
A fixed blade mounted to a bottom wall of the housing;
The movable blade is arranged on the roller, and the movable blade and the fixed blade can form shearing action in the rotating process of the roller;
The pushing mechanism comprises a swing arm and a pushing plate, the swing arm is rotationally connected with the shell, the pushing plate is movably connected with the swing arm, the pushing plate is assembled to be capable of keeping a position close to the bottom wall of the shell relative to the swing arm when the swing arm swings towards a direction close to the roller, and capable of moving away from the bottom wall of the shell relative to the swing arm when the swing arm swings towards a direction away from the roller;
the pushing plate is rotationally connected with the swing arm;
The swing arm is provided with a driving mechanism for driving the pushing plate to turn over relative to the swing arm.
To achieve the above and other related objects, the present invention also provides a polyethylene plastic waste material breaking treatment apparatus comprising:
The shell is provided with a crushing cavity, and the bottom wall of the crushing cavity is arc-shaped;
the roller is arranged at the bottom of the shell and is rotationally connected with the shell;
A fixed blade mounted to a bottom wall of the housing;
The movable blade is arranged on the roller, and the movable blade and the fixed blade can form shearing action in the rotating process of the roller;
The pushing mechanism comprises a swing arm and a pushing plate, the swing arm is rotationally connected with the shell, the pushing plate is movably connected with the swing arm, the pushing plate is assembled to be capable of keeping a position close to the bottom wall of the shell relative to the swing arm when the swing arm swings towards a direction close to the roller, and capable of moving away from the bottom wall of the shell relative to the swing arm when the swing arm swings towards a direction away from the roller;
the pushing plate is rotationally connected with the swing arm;
A linkage mechanism is arranged between the pushing plate and the swing arm, the linkage mechanism drives the pushing plate to turn by utilizing the swing of the swing arm, the linkage mechanism is assembled to be that when the swing arm swings towards the direction approaching to the roller, the linkage mechanism can keep the material pushing plate at a position close to the bottom wall of the shell, and when the swing arm swings in a direction away from the roller, the linkage mechanism can drive the material pushing plate to turn over in a direction away from the bottom wall of the shell. In an alternative embodiment of the present invention, the linkage includes a first sprocket, a second sprocket, a chain, and a transmission mechanism; the first sprocket and the rotating shaft of the swing arm are coaxially arranged, a first one-way bearing is arranged between the first sprocket and the rotating shaft of the swing arm, a second one-way bearing is arranged between the first sprocket and the shell, the first one-way bearing and the second one-way bearing are assembled into a structure that when the swing arm swings in the direction far away from the roller, the second one-way bearing can prevent the first sprocket from swinging along with the swing arm, and when the swing arm swings in the direction close to the roller, the first one-way bearing can enable the first sprocket to synchronously rotate with the swing arm; the second sprocket is rotationally connected with the swing arm, and is in transmission connection with the first sprocket through the chain; the pushing plate is in transmission connection with the second sprocket through the transmission mechanism.
In an alternative embodiment of the invention, the transmission mechanism is configured such that the second sprocket can drive the stripper plate to flip 360 ° by the transmission mechanism when the swing arm swings in a direction away from the roller.
In an alternative embodiment of the invention, the transmission mechanism comprises a first gear, a second gear, a third gear, a fourth gear and an intermediate shaft; the first gear is coaxially fixedly connected with the second sprocket, the second gear and the third gear are coaxially fixedly connected with the intermediate shaft, the intermediate shaft is rotationally connected with the swing arm, and the fourth gear is fixedly connected with the pushing plate; the first gear is meshed with the second gear, and the third gear is meshed with the fourth gear.
In an alternative embodiment of the present invention, the swing stroke of the swing arm is 90 °, the transmission ratio between the first sprocket and the second sprocket is 1:1, the transmission ratio between the first gear and the second gear is 1:2, and the transmission ratio between the third gear and the fourth gear is 1:2.
In an alternative embodiment of the present invention, a damping ring is provided between the first sprocket and the rotation shaft of the swing arm.
In an alternative embodiment of the invention, the upper end of the crushing chamber is provided with a funnel-shaped feed hopper.
The invention has the technical effects that: according to the invention, the material pushing plate is movably connected with the swing arm, when the swing arm swings towards the direction close to the roller, the material pushing plate can move to a position close to the bottom wall of the shell relative to the swing arm, so that the material on the bottom wall can be pushed towards the roller, and when the swing arm swings towards the direction far away from the roller, the material pushing plate can move towards the direction far away from the bottom wall of the shell relative to the swing arm, so that the material accumulated between the upper part of the material pushing plate and the bottom wall of the shell can fall below the material pushing plate, the accumulation phenomenon of the material is effectively avoided, and meanwhile, when the swing arm swings upwards, the material pushing plate can push the material out of the crushing cavity, and material overflow is avoided.
Drawings
FIG. 1 is a perspective view of a polyethylene plastic waste material breaking treatment apparatus provided by an embodiment of the present invention;
FIG. 2 is a front view of a polyethylene plastic waste material breaking treatment apparatus provided by an embodiment of the present invention;
FIG. 3 is a cross-sectional view A-A of FIG. 2;
FIG. 4 is a cross-sectional view showing another state of the polyethylene plastic waste-cracking treatment apparatus provided by the embodiment of the invention;
FIG. 5 is a B-B cross-sectional view of FIG. 3;
FIG. 6 is an exploded view of a pushing mechanism provided by an embodiment of the present invention;
Reference numerals illustrate: 10. a housing; 101. a crushing cavity; 11. a fixed blade; 12. a bearing seat; 20. a roller; 21. a movable blade; 30. swing arms; 31. a rotating shaft; 32. a first sprocket; 321. a first one-way bearing; 322. a second one-way bearing; 323. a damping ring; 33. a second sprocket; 34. a chain; 35. a first gear; 36. a second gear; 37. a third gear; 38. a fourth gear; 39. an intermediate shaft; 40. a pushing plate; 50. a feed hopper; 60. and (5) swinging rod.
Detailed Description
Other advantages and effects of the present invention will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present invention with reference to specific examples. The invention may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present invention. It should be noted that the following embodiments and features in the embodiments may be combined with each other without conflict.
It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present invention by way of illustration, and only the components related to the present invention are shown in the illustrations, not according to the number, shape and size of the components in actual implementation, and the form, number and proportion of each component in actual implementation may be arbitrarily changed, and the layout of the components may be more complex.
The polyethylene plastic extrusion molding equipment needs to be debugged for a period of time after being started up so that molten plastic achieves ideal fluidity, the molten plastic produced in the process of testing machine cannot meet extrusion molding requirements, so that the materials can be discarded, massive materials can be formed after the materials are solidified, and the materials need to be crushed for recycling.
The prior art generally adopts the single-shaft shredder to crush plastic waste, and the single-shaft shredder is a device commonly used for waste treatment, and the structure of the single-shaft shredder mainly comprises the following parts: the host frame is used for bearing and supporting the structural frame of the whole machine; the movable blade and the fixed blade are arranged on the shaft, the fixed blade is arranged on the main machine frame, and shearing fit is formed between the movable blade and the fixed blade and is used for cutting and stripping materials; the pushing plate is used for pushing the materials to be shredded towards the movable blade; a drive train, typically consisting of an electric motor, a speed reducer, and a drive belt, providing power to the shaft; and the control system is used for controlling the starting, stopping and running parameters of the whole equipment.
The working principle of the single-shaft shredder is as follows: the control system starts the motor, and the motor rotates through a transmission shaft of the transmission system; feeding the materials to be processed into a shredder through a feeding device, and enabling the materials to enter a feeding port of the shredder; the material is pushed to the rotating movable blade by the pushing plate, and when the movable blade contacts with the material, the material is shredded through cutting and stripping actions; the shredded material is discharged through the bottom or side of the shredder.
The pushing plate of the single-shaft shredder is divided into two types of swinging type and shifting type, wherein the swinging type pushing plate occupies smaller space and has higher response speed, so that the single-shaft shredder is widely applied; the swing type pushing plate is generally located below the feeding hole of the shredder and comprises a pushing plate and a power device, the pushing plate is located above the movable blade in an inclined mode and can swing in a reciprocating mode, and the power device is used for providing power for the pushing plate to enable the pushing plate to swing in a reciprocating mode. Starting a power device of a pushing plate, wherein the pushing plate can swing reciprocally to push materials to a fixed blade for shredding; the swinging speed and frequency of the pushing plate can be controlled by adjusting the working frequency of the power device.
However, the upper end of the swing type pushing plate is easy to accumulate materials in the swing process, and the materials cannot be automatically discharged, so that the equipment maintenance cost is high. In addition, when the material in the material bin is full, the pushing plate swings upwards to possibly overflow the material from the upper end of the material bin, and the using effect is poor. Therefore, the polyethylene plastic waste material cracking treatment equipment provided by the invention is provided with the pushing plate in a two-section motion structure, when the pushing plate approaches to the movable blade, the motion process of the pushing plate is similar to that of the traditional pushing plate, so that stable pushing of materials can be realized, and when the pushing plate is far away from the movable blade, the pushing plate can be far away from the inner wall of the equipment, so that the accumulation of materials between the pushing plate and the inner wall of the equipment is avoided, and meanwhile, the material overflow phenomenon caused by upward swing of the pushing plate is avoided.
Referring to fig. 1-6, the following detailed description of the technical solution of the present invention is provided with reference to the specific embodiments:
Referring to fig. 1,3 and 4, the apparatus for breaking polyethylene plastic waste according to the embodiment of the present invention includes a housing 10, a roller 20, a fixed blade 11, a movable blade 21 and a pushing mechanism; the shell 10 is provided with a crushing cavity 101, and the bottom wall of the crushing cavity 101 is arc-shaped; the roller 20 is arranged at the bottom of the shell 10, and the roller 20 is rotationally connected with the shell 10; specifically, the axis of the bowl 20 is arranged horizontally, with some areas of the bowl 20 being located in the crushing chamber 101 and other areas being located below the crushing chamber 101. The fixed blade 11 is arranged on the bottom wall of the shell 10 and is arranged close to the roller surface of the roller 20; the movable blade 21 is mounted on the roller 20, and the movable blade 21 and the fixed blade 11 can form shearing action in the rotating process of the roller 20.
Referring to fig. 3 and 4, the pushing mechanism includes a swing arm 30 and a pushing plate 40, where the swing arm 30 is rotatably connected to the housing 10, specifically, the swing center of the swing arm 30 coincides with the arc center of the bottom wall of the housing 10, the pushing plate 40 is movably connected to the swing arm 30, the pushing plate 40 is assembled so that when the swing arm 30 swings in a direction approaching to the roller 20, the pushing plate 40 can be kept at a position approaching to the bottom wall of the housing 10 relative to the swing arm 30, and when the swing arm 30 swings in a direction away from the roller 20, the pushing plate 40 can move in a direction away from the bottom wall of the housing 10 relative to the swing arm 30.
It should be appreciated that the material pushing plate 40 is movably connected with the swing arm 30, when the swing arm 30 swings in the direction approaching to the roller 20, the material pushing plate 40 can move to a position approaching to the bottom wall of the shell 10 relative to the swing arm 30, so that the material on the bottom wall can be pushed to the roller 20 by the material pushing plate 40, and when the swing arm 30 swings in the direction far from the roller 20, the material pushing plate 40 can move in the direction far from the bottom wall of the shell 10 relative to the swing arm 30, so that the material accumulated between the upper side of the material pushing plate 40 and the bottom wall of the shell 10 can fall below the material pushing plate 40, the accumulation phenomenon of the material is effectively avoided, and meanwhile, when the swing arm 30 swings upwards, the material pushing plate 40 pushes the material out of the crushing cavity 101, and the material overflow is avoided.
Referring to fig. 3, 4 and 6, in an alternative embodiment of the present invention, the pusher plate 40 is rotatably connected to the swing arm 30. It should be understood that the connection between the pusher plate 40 and the swing arm 30 is not exclusive, as long as the pusher plate 40 can be moved away from the bottom wall of the housing 10, for example, in other embodiments, the pusher plate 40 may be slidably connected to the swing arm 30 along the length of the swing arm 30.
In an alternative embodiment of the present invention, a driving mechanism for driving the pushing plate 40 to turn over relative to the swing arm 30 is disposed on the swing arm 30. In a specific embodiment, the drive mechanism may be, for example, an articulation motor.
It should be understood that, instead of using a separate driving mechanism to drive the pushing plate 40 to turn, a linkage mechanism may be provided between the pushing plate 40 and the swing arm 30, so that the swing of the swing arm 30 itself is used to drive the pushing plate 40 to turn. For example, in another alternative embodiment of the present invention, a linkage mechanism is provided between the pusher plate 40 and the swing arm 30, and the linkage mechanism is configured such that, when the swing arm 30 swings in a direction approaching the roller 20, the linkage mechanism can hold the pusher plate 40 in a position approaching the bottom wall of the housing 10, and when the swing arm 30 swings in a direction separating from the roller 20, the linkage mechanism can drive the pusher plate 40 to turn in a direction separating from the bottom wall of the housing 10. The present embodiment omits a separate driving mechanism, reduces the cost of the apparatus, and also simplifies the control process due to the reduced number of electric elements.
Referring to fig. 3,4, 5 and 6, in an alternative embodiment of the present invention, the linkage mechanism includes a first sprocket 32, a second sprocket 33, a chain 34 and a transmission mechanism; the first sprocket 32 is coaxially arranged with the rotating shaft 31 of the swing arm 30, a first one-way bearing 321 is arranged between the first sprocket 32 and the rotating shaft 31 of the swing arm 30, a second one-way bearing 322 is arranged between the first sprocket 32 and the shell 10, the first one-way bearing 321 and the second one-way bearing 322 are assembled, when the swing arm 30 swings in a direction far away from the roller 20, the second one-way bearing 322 can prevent the first sprocket 32 from swinging along with the swing arm 30, and when the swing arm 30 swings in a direction close to the roller 20, the first one-way bearing 321 can enable the first sprocket 32 to synchronously rotate with the swing arm 30; the second sprocket 33 is rotatably connected with the swing arm 30, and the second sprocket 33 is in transmission connection with the first sprocket 32 through the chain 34; the pushing plate 40 is in transmission connection with the second sprocket 33 through the transmission mechanism.
The operation principle of the linkage mechanism will be described in detail with reference to fig. 3,4, 5, and 6. It should be noted that, in fig. 3 and 4, the first sprocket 32 can only rotate counterclockwise relative to the swing arm 30 under the action of the first unidirectional bearing 321, and the first sprocket 32 can only rotate counterclockwise relative to the housing 10 under the action of the second unidirectional bearing 322. When the swing arm 30 rotates anticlockwise as shown by an arc arrow in fig. 3, the first sprocket 32 will rotate synchronously with the swing arm 30 under the action of the first unidirectional bearing 321, at this time, the first sprocket 32 is stationary relative to the swing arm 30, so the second sprocket 33 is also stationary relative to the swing arm 30, and therefore the stripper plate 40 is stationary relative to the swing arm 30, at this time, the stripper plate 40 can push the material toward the roller 20; when the swing arm 30 rotates clockwise as shown by the arc arrow in fig. 4, the first sprocket 32 is stationary relative to the housing 10 under the action of the second one-way bearing 322, so that the first sprocket 32 rotates counterclockwise relative to the swing arm 30, and the second sprocket 33 is connected with the first sprocket 32 through the chain 34, so that the second sprocket 33 also rotates counterclockwise relative to the swing arm 30, and further drives the pushing plate 40 to turn counterclockwise through the transmission mechanism, at this time, the material accumulated between the upper side of the pushing plate 40 and the bottom wall of the housing 10 can drop downwards, and meanwhile, the material on the bottom wall of the housing 10 cannot be pushed reversely by the pushing plate 40 because the pushing plate 40 leaves the bottom wall of the housing 10, so that material overflow is avoided.
Referring to fig. 3,4 and 6, in an alternative embodiment of the present invention, the transmission mechanism includes a first gear 35, a second gear 36, a third gear 37, a fourth gear 38 and an intermediate shaft 39; the first gear 35 is fixedly connected with the second sprocket 33 coaxially, the second gear 36 and the third gear 37 are fixedly connected with the intermediate shaft 39 coaxially, the intermediate shaft 39 is connected with the swing arm 30 in a rotating way, and the fourth gear 38 is fixedly connected with the pushing plate 40; the first gear 35 is meshed with the second gear 36, and the third gear 37 is meshed with the fourth gear 38. It should be understood that the particular form of the transmission is not exclusive, and that in other embodiments, for example, the gear mechanism in the transmission may be replaced with a sprocket or pulley mechanism.
In an alternative embodiment of the present invention, the swing stroke of the swing arm 30 is 90 °, the transmission ratio between the first sprocket 32 and the second sprocket 33 is 1:1, the transmission ratio between the first gear 35 and the second gear 36 is 1:2, and the transmission ratio between the third gear 37 and the fourth gear 38 is 1:2. When the swing arm 30 swings 90 ° away from the roller 20, the second sprocket 33 can drive the pushing plate 40 to just turn 360 ° through the transmission mechanism, so that the pushing plate 40 is pushed next time. It should be appreciated that the gear ratios between the gears are not exclusive, so long as a total gear ratio of 1:4 between the first sprocket 32 and the stripper plate 40 is ensured.
Referring to fig. 2, 5 and 6, in an alternative embodiment of the present invention, a damping ring 323 is disposed between the first sprocket 32 and the rotating shaft 31 of the swing arm 30. The damping ring 323 can generate viscous resistance between the first sprocket 32 and the rotating shaft 31 of the swing arm 30, so as to avoid spontaneous overturning of the pushing plate 40 under the action of gravity. In further embodiments, the housing 10 may be provided with a bearing housing 12 on an outer side, for example, and a second one-way bearing 322 may be provided between the first sprocket 32 and the bearing housing 12. The rotating shaft 31 of the swing arm 30 may protrude to the outside of the housing 10, and a swing rod 60 may be disposed on the rotating shaft 31 of the outside of the housing 10, where the swing rod 60 may be connected with a hydraulic cylinder disposed on the outside of the housing 10, for example, to drive the swing arm 30 to swing.
Referring to fig. 1-4, in an alternative embodiment of the present invention, a hopper 50 may be provided at the upper end of the crushing chamber 101 for feeding convenience.
In summary, the material pushing plate 40 is movably connected with the swing arm 30, when the swing arm 30 swings in the direction approaching to the roller 20, the material pushing plate 40 can move to a position approaching to the bottom wall of the shell 10 relative to the swing arm 30, so that the material on the bottom wall can be pushed to the roller 20 by the material pushing plate 40, and when the swing arm 30 swings in the direction far from the roller 20, the material pushing plate 40 can move in the direction far from the bottom wall of the shell 10 relative to the swing arm 30, so that the material accumulated between the upper side of the material pushing plate 40 and the bottom wall of the shell 10 can fall below the material pushing plate 40, the accumulation phenomenon of the material is effectively avoided, and meanwhile, when the swing arm 30 swings upwards, the material pushing plate 40 pushes the material out of the crushing cavity 101, and the material overflow is avoided; the linkage mechanism is arranged between the pushing plate 40 and the swing arm 30, so that an independent driving mechanism is omitted, the equipment cost is reduced, and meanwhile, the control process is simplified due to the reduction of the number of electric elements; the damping ring 323 can generate viscous resistance between the first sprocket 32 and the rotating shaft 31 of the swing arm 30, so as to avoid spontaneous overturning of the pushing plate 40 under the action of gravity.
Claims (8)
1. A polyethylene plastic waste material cracking treatment apparatus, comprising:
The shell is provided with a crushing cavity, and the bottom wall of the crushing cavity is arc-shaped;
the roller is arranged at the bottom of the shell and is rotationally connected with the shell;
A fixed blade mounted to a bottom wall of the housing;
The movable blade is arranged on the roller, and the movable blade and the fixed blade can form shearing action in the rotating process of the roller;
The pushing mechanism comprises a swing arm and a pushing plate, the swing arm is rotationally connected with the shell, the pushing plate is movably connected with the swing arm, the pushing plate is assembled to be capable of keeping a position close to the bottom wall of the shell relative to the swing arm when the swing arm swings towards a direction close to the roller, and capable of moving away from the bottom wall of the shell relative to the swing arm when the swing arm swings towards a direction away from the roller;
the pushing plate is rotationally connected with the swing arm;
The swing arm is provided with a driving mechanism for driving the pushing plate to turn over relative to the swing arm.
2. A polyethylene plastic waste material cracking treatment apparatus, comprising:
The shell is provided with a crushing cavity, and the bottom wall of the crushing cavity is arc-shaped;
the roller is arranged at the bottom of the shell and is rotationally connected with the shell;
A fixed blade mounted to a bottom wall of the housing;
The movable blade is arranged on the roller, and the movable blade and the fixed blade can form shearing action in the rotating process of the roller;
The pushing mechanism comprises a swing arm and a pushing plate, the swing arm is rotationally connected with the shell, the pushing plate is movably connected with the swing arm, the pushing plate is assembled to be capable of keeping a position close to the bottom wall of the shell relative to the swing arm when the swing arm swings towards a direction close to the roller, and capable of moving away from the bottom wall of the shell relative to the swing arm when the swing arm swings towards a direction away from the roller;
the pushing plate is rotationally connected with the swing arm;
a linkage mechanism is arranged between the pushing plate and the swing arm, the linkage mechanism drives the pushing plate to turn by utilizing the swing of the swing arm, the linkage mechanism is assembled to be that when the swing arm swings towards the direction approaching to the roller, the linkage mechanism can keep the material pushing plate at a position close to the bottom wall of the shell, and when the swing arm swings in a direction away from the roller, the linkage mechanism can drive the material pushing plate to turn over in a direction away from the bottom wall of the shell.
3. The polyethylene plastic waste material breaking apparatus according to claim 2, wherein the linkage mechanism comprises a first sprocket, a second sprocket, a chain, and a transmission mechanism; the first sprocket and the rotating shaft of the swing arm are coaxially arranged, a first one-way bearing is arranged between the first sprocket and the rotating shaft of the swing arm, a second one-way bearing is arranged between the first sprocket and the shell, the first one-way bearing and the second one-way bearing are assembled into a structure that when the swing arm swings in the direction far away from the roller, the second one-way bearing can prevent the first sprocket from swinging along with the swing arm, and when the swing arm swings in the direction close to the roller, the first one-way bearing can enable the first sprocket to synchronously rotate with the swing arm; the second sprocket is rotationally connected with the swing arm, and is in transmission connection with the first sprocket through the chain; the pushing plate is in transmission connection with the second sprocket through the transmission mechanism.
4. A polyethylene plastic waste material breaking treatment apparatus as claimed in claim 3, wherein the transmission mechanism is arranged such that the second sprocket can drive the pusher plate to turn 360 ° by the transmission mechanism when the swing arm swings in a direction away from the roller.
5. A polyethylene plastic waste material breaking treatment apparatus according to claim 3, wherein the transmission mechanism comprises a first gear, a second gear, a third gear, a fourth gear and an intermediate shaft; the first gear is coaxially fixedly connected with the second sprocket, the second gear and the third gear are coaxially fixedly connected with the intermediate shaft, the intermediate shaft is rotationally connected with the swing arm, and the fourth gear is fixedly connected with the pushing plate; the first gear is meshed with the second gear, and the third gear is meshed with the fourth gear.
6. The polyethylene plastic waste cracking treatment apparatus as claimed in claim 5, wherein a swing stroke of the swing arm is 90 °, a transmission ratio between the first sprocket and the second sprocket is 1:1, a transmission ratio between the first gear and the second gear is 1:2, and a transmission ratio between the third gear and the fourth gear is 1:2.
7. A polyethylene plastic waste material breaking treatment device according to claim 3, wherein a damping ring is provided between the first sprocket and the rotation shaft of the swing arm.
8. The polyethylene plastic waste material breaking treatment apparatus according to claim 2, wherein the breaking chamber is provided with a funnel-shaped feeding hopper at its upper end.
Priority Applications (1)
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| CN109395854A (en) * | 2018-12-07 | 2019-03-01 | 株洲鼎端装备股份有限公司 | Single-shaft shredder suitable for broken worn-out lithium-ion battery monomer |
| CN112873927A (en) * | 2021-02-01 | 2021-06-01 | 段恩茂 | Continuous blow molding method for degradable plastic bag |
| CN215197419U (en) * | 2021-07-03 | 2021-12-17 | 张家港市鑫荣机械有限公司 | Inner rocker arm type single-shaft shredder |
| CN115245949A (en) * | 2022-07-12 | 2022-10-28 | 丁悄杰 | Fabric processing leftover material recovery device |
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| CN202876913U (en) * | 2012-10-26 | 2013-04-17 | 东莞信易电热机械有限公司 | Swing-arm type continuous crushing single-shaft crusher |
| CN106238169A (en) * | 2016-08-25 | 2016-12-21 | 广东隽诺环保科技股份有限公司 | A kind of single-shaft shredder |
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