CN109732809B - Waste plastic crusher - Google Patents
Waste plastic crusher Download PDFInfo
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- CN109732809B CN109732809B CN201811522317.6A CN201811522317A CN109732809B CN 109732809 B CN109732809 B CN 109732809B CN 201811522317 A CN201811522317 A CN 201811522317A CN 109732809 B CN109732809 B CN 109732809B
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- extrusion
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- waste plastic
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- 239000004033 plastic Substances 0.000 title claims abstract description 83
- 229920003023 plastic Polymers 0.000 title claims abstract description 83
- 239000002699 waste material Substances 0.000 title claims abstract description 25
- 238000001125 extrusion Methods 0.000 claims abstract description 75
- 230000007246 mechanism Effects 0.000 claims abstract description 34
- 239000000463 material Substances 0.000 claims description 8
- 230000003014 reinforcing effect Effects 0.000 claims description 8
- 230000008878 coupling Effects 0.000 claims 1
- 238000010168 coupling process Methods 0.000 claims 1
- 238000005859 coupling reaction Methods 0.000 claims 1
- 230000009471 action Effects 0.000 description 6
- 238000002844 melting Methods 0.000 description 4
- 230000008018 melting Effects 0.000 description 4
- 239000003351 stiffener Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a waste plastic crusher, which comprises a crushing box, wherein a feed inlet is formed in one side of the upper end of the crushing box, a discharge outlet is formed in the lower end of the crushing box, a wedge is fixedly installed in the inner cavity of the crushing box, one end of the upper surface of the wedge is flush with the lower end of the feed inlet, the other end of the upper surface of the wedge is located below the feed inlet in the vertical direction, a first extrusion crushing mechanism is arranged at the upper end of the inner cavity of the crushing box, right opposite to the upper surface of the wedge, a second extrusion crushing mechanism is arranged between the wedge and the side wall of the crushing box, a first driving motor is fixedly installed in the wedge, an output shaft of the first driving motor is downwards arranged and fixedly connected with a rotating shaft, crushing knives are circumferentially distributed on the rotating shaft, the lower end of the rotating shaft is.
Description
Technical Field
The invention relates to the technical field of plastic production and processing, in particular to a waste plastic crusher.
Background
Plastics belong to the material of difficult degradation, in order to save the cost, reduce the pollution to the environment, generally need retrieve plastics, then utilize the breaker to carry out the breakage, plastics after the breakage get into the feed cylinder, then get into the plastics extruder in proper order and melt and extrude, then get into the mould and carry out the shaping operation.
However, the existing crusher comprises two rollers, wherein an extrusion block is arranged outside the rollers, and the extrusion block is used for extruding and crushing plastics, but the following problems exist: 1. the plastic has high elasticity, and after being extruded, the plastic can not enter the charging barrel due to the elastic recovery; 2. the plastic enters the charging barrel after being extruded, so that the plastic is large in size and cannot enter the plastic extruder or is difficult to melt in the plastic extruder, and an outlet of the plastic extruder is blocked; 3. plastics have different intensity and plasticity, when broken, are difficult to break into the fritter that easily melts, lead to melting time to differ, for thoroughly melting, need consume longer time, and the energy consumption is many, leads to the cost to increase.
Disclosure of Invention
Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: how to provide one kind can be better carry out the breakage to plastics, the breakage is more thorough, improves and melts the speed, reduces the waste plastic breaker of energy consumption.
In order to solve the technical problems, the invention adopts the following technical scheme:
a waste plastic crusher comprises a crushing box, wherein a feed inlet is formed in one side of the upper end of the crushing box, a discharge outlet is formed in the lower end of the crushing box, a wedge is fixedly installed in the inner cavity of the crushing box, one end of the upper surface of the wedge is flush with the lower end of the feed inlet, the other end of the upper surface of the wedge is located below the feed inlet in the vertical direction, a first extrusion crushing mechanism is arranged at the upper end of the inner cavity of the crushing box and is over against the upper surface of the wedge, a second extrusion crushing mechanism is arranged between the wedge and the side wall of the crushing box, a first driving motor is fixedly installed in the wedge, an output shaft of the first driving motor is downwards arranged and fixedly connected with a rotating shaft, crushing knives are circumferentially distributed on the rotating shaft, the lower end of the rotating shaft is connected;
first extrusion crushing mechanism includes vertical fixed mounting and is in first cylinder of broken case inner chamber upper end, the piston rod of first cylinder sets up downwards and fixedly connected with extrusion piece, extrusion piece lower surface with agree with piece upper surface inclination unanimously and just right setting up agree with the piece top, extrusion piece lower surface distributes and is provided with the extrusion arch, the protruding lower extreme of extrusion is most advanced, it can peel off the material mechanism that takes off of joint plastics in extrusion arch still to be provided with on the extrusion piece.
Among this technical scheme, put into broken incasement with waste plastic from the feed inlet, then waste plastic falls into to agree with the piece on, utilize first extrusion crushing mechanism to extrude breakage to waste plastic, owing to agree with the slope of piece upper surface and set up, the one end that is close to the feed inlet highly is located the other end top in vertical side, the plastics after the extrusion breakage slide along agreeing with piece upper surface downwards, after the crushing mechanism of second extrusion extrudees the breakage, the driving motor action, drive the pivot and rotate, the pivot drives broken sword and rotates, cut plastics. The connecting rod is arranged, so that the shaking of the rotating shaft can be reduced, and the connecting strength of the rotating shaft is improved. This waste plastic breaker can carry out tertiary breakage to plastics, and is broken more thoroughly, can make things convenient for the process such as melting in plastics later stage more, saves time.
The piston rod of first cylinder stretches out downwards and drives extrusion piece downstream for the protruding pointed end of extrusion that sets up on the extrusion piece punctures, pierces through and the breakage to plastics, to the better plastics of elastoplasticity, can utilize the protruding pointed end of extrusion to cut it, reduces its deformation restoring force. Be provided with and take off material mechanism, can avoid plastics to adhere to on the extrusion arch, can be better carry out extrusion crushing operation to plastics.
Furthermore, take off material mechanism including fixed mounting in the second cylinder at the relative both ends of extrusion piece, the piston rod of second cylinder sets up downwards, take off material mechanism still includes the framework, the piston rod of second cylinder with framework fixed connection is used for driving the framework up-and-down motion, the framework in-connection is provided with the stiffener, the stiffener and the thickness of framework is less than extrude bellied height.
Therefore, the piston rod of the second air cylinder moves downwards to drive the frame body and the reinforcing rod to move downwards, and the plastic attached to the extrusion protrusion is stripped by the frame body and the reinforcing rod, so that the reliability of the whole device is improved.
Furthermore, the second extrusion crushing mechanism comprises two second driving motors fixedly mounted on the crushing box, output shafts of the second driving motors are horizontally arranged and are connected with extrusion rollers through couplers, the other ends of the extrusion rollers are connected with the crushing box through bearings, crushing teeth are uniformly distributed on the outer surfaces of the extrusion rollers, and the crushing teeth are meshed with each other and are arranged on the outer sides of the extrusion rollers.
Therefore, the second driving motor acts to drive the two rollers to rotate inwards relatively, and plastic is extruded and crushed by utilizing the meshing force between the crushing teeth, so that the plastic crusher is convenient to use.
Furthermore, the rotating shaft is provided with crushing knives along the axis direction.
Like this, be provided with a plurality of broken swoves, can be better carry out final breakage to plastics, reduce the plastics volume, conveniently melt.
Furthermore, the crushing knife is provided with a cutting edge in the horizontal direction.
Like this, crushing sword is provided with two cutting edges, and one is along pivot direction of rotation, and another sets up rather than back to back, can cut up plastics. Plastics are driven by one of them broken sword and rotate, and plastics can be because inertia can be with the broken sword contact that is located this broken sword direction of rotation front side, improvement crushing effect that can be better.
Furthermore, a feeding mechanism is arranged at the position of the feeding port and comprises a feeding pipeline which is fixedly connected to the outer side of the feeding port of the crushing box, and a conveying belt is horizontally arranged in the feeding pipeline.
Therefore, waste plastics are placed on the conveyor belt, and the conveyor belt is used for providing power for the plastics and better falling on the wedge blocks.
Drawings
Fig. 1 is a schematic structural diagram of a waste plastic crusher according to an embodiment of the present invention.
Fig. 2 is a partially enlarged view of a portion a in fig. 1.
Fig. 3 is an enlarged bottom view of the first crushing mechanism of fig. 1.
Fig. 4 is an enlarged schematic view of the structure in which the squeezing rollers of the second crushing mechanism of fig. 1 are engaged with the second driving motor and the two squeezing rollers.
FIG. 5 is an enlarged cross-sectional view of B-B of FIG. 1.
Detailed Description
The present invention is described in further detail below with reference to figures 1-5.
A waste plastic crusher comprises a crushing box 1, a feeding hole is arranged on one side of the upper end of the crushing box 1, a discharge hole is arranged at the lower end of the crushing box 1, a wedge block 2 is fixedly arranged in the inner cavity of the crushing box 1, one end of the upper surface of the wedge block 2 is flush with the lower end of the feed port, the other end of the upper surface of the wedge block is positioned below the feed port in the vertical direction, a first extrusion crushing mechanism is arranged at the upper end of the inner cavity of the crushing box 1 opposite to the upper surface of the wedge block 2, a second extrusion crushing mechanism is arranged between the wedge block 2 and the side wall of the crushing box 1, a first driving motor 3 is fixedly arranged in the wedge block 2, the output shaft of the first driving motor 3 is downwards arranged and fixedly connected with a rotating shaft 31, the rotating shaft 31 is circumferentially distributed with crushing cutters 32, the lower end of the rotating shaft 31 is connected with a connecting rod 33 through a bearing, and the other end of the connecting rod 33 is fixedly connected with the side wall of the discharge hole.
Among this technical scheme, put into broken incasement with waste plastic from the feed inlet, then waste plastic falls into to agree with the piece on, utilize first extrusion crushing mechanism to extrude breakage to waste plastic, owing to agree with the slope of piece upper surface and set up, the one end that is close to the feed inlet highly is located the other end top in vertical side, the plastics after the extrusion breakage slide along agreeing with piece upper surface downwards, after the crushing mechanism of second extrusion extrudees the breakage, the driving motor action, drive the pivot and rotate, the pivot drives broken sword and rotates, cut plastics. The connecting rod is arranged, so that the shaking of the rotating shaft can be reduced, and the connecting strength of the rotating shaft is improved. This waste plastic breaker can carry out tertiary breakage to plastics, and is broken more thoroughly, can make things convenient for the process such as melting in plastics later stage more, saves time.
First extrusion crushing mechanism includes vertical fixed mounting and is in first cylinder 4 of 1 inner chamber upper end of broken case, the piston rod of first cylinder 4 sets up downwards and fixedly connected with extrusion piece 41, extrusion piece 41 lower surface with agree with 2 upper surface slopes of piece unanimously and just right setting up agree with 2 tops of piece, extrusion piece 41 lower surface distributes and is provided with extrusion arch 42, extrusion arch 42 lower extreme is most advanced, still be provided with on extrusion piece 41 and peel off the material mechanism with the plastics of joint on extrusion arch 42.
Like this, the piston rod of first cylinder stretches out downwards and drives extrusion piece downstream for the protruding pointed end of extrusion that sets up on the extrusion piece punctures, pierces through and the breakage to plastics, to the better plastics of elastoplasticity, can utilize the protruding pointed end of extrusion to cut it, reduces its deformation restoring force. Be provided with and take off material mechanism, can avoid plastics to adhere to on the extrusion arch, can be better carry out extrusion crushing operation to plastics.
Further, the stripping mechanism comprises a second cylinder 5 fixedly installed at two opposite ends of the extrusion block 41, a piston rod of the second cylinder 5 is arranged downwards, the stripping mechanism further comprises a frame body 51, the piston rod of the second cylinder 5 is fixedly connected with the frame body 51 and used for driving the frame body 51 to move up and down, a reinforcing rod 52 is connected in the frame body 51, and the thickness of the reinforcing rod 52 and the thickness of the frame body 51 are smaller than the height of the extrusion protrusion 42.
Therefore, the piston rod of the second air cylinder moves downwards to drive the frame body and the reinforcing rod to move downwards, and the plastic attached to the extrusion protrusion is stripped by the frame body and the reinforcing rod, so that the reliability of the whole device is improved.
Further, the second extrusion crushing mechanism comprises two second driving motors 62 fixedly mounted on the crushing box 1, output shafts of the second driving motors 62 are horizontally arranged and are connected with extrusion rollers 6 through couplers, the other ends of the extrusion rollers 6 are connected with the crushing box 1 through bearings, crushing teeth 61 are uniformly distributed on the outer surfaces of the extrusion rollers 6, and the crushing teeth 61 arranged on the outer sides of the extrusion rollers 6 are meshed with each other.
Therefore, the second driving motor acts to drive the two rollers to rotate inwards relatively, and plastic is extruded and crushed by utilizing the meshing force between the crushing teeth, so that the plastic crusher is convenient to use.
Further, the rotating shaft 31 is provided with crushing knives 32 along the axial direction.
Like this, be provided with a plurality of broken swoves, can be better carry out final breakage to plastics, reduce the plastics volume, conveniently melt.
Further, the crushing blades 32 are provided with cutting edges in the horizontal direction.
Like this, crushing sword is provided with two cutting edges, and one is along pivot direction of rotation, and another sets up rather than back to back, can cut up plastics. Plastics are driven by one of them broken sword and rotate, and plastics can be because inertia can be with the broken sword contact that is located this broken sword direction of rotation front side, improvement crushing effect that can be better.
Further, a feeding mechanism is arranged at the feeding port and comprises a feeding pipeline 7 fixedly connected to the outer side of the feeding port of the crushing box 1, and a conveying belt 71 is horizontally arranged in the feeding pipeline 7.
Therefore, waste plastics are placed on the conveyor belt, and the conveyor belt is used for providing power for the plastics and better falling on the wedge blocks.
The device has the following working principle:
place waste plastic on the conveyer belt, utilize the conveyer belt to drive the plastic motion to agree with on the piece, first cylinder action, drive extrusion piece downstream, utilize the protruding most advanced plastics of extrusion that sets up on the extrusion piece to agree with the piece and carry out first order extrusion breakage, then the second cylinder action, drive framework and stiffener downstream, peel off the plastics of adhesion on the extrusion arch, then plastics slide down to between two squeeze cylinders along agreeing with a piece inclined plane, the action of second driving motor, it is broken all to the internal rotation extrudeing plastics to drive squeeze cylinder, later first driving motor action, it rotates to drive the pivot, utilize broken sword to carry out the breakage to the plastics after squeezing cylinder extrudees. The device relates to an electric control system, wherein all electrical components are connected with the electric control system, and the electric control system comprises a PLC (programmable logic controller) or an MCU (microprogrammed control unit) controller.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art; the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; these modifications and substitutions do not cause the essence of the corresponding technical solution to depart from the scope of the technical solution of the embodiments of the present invention, and are intended to be covered by the claims and the specification of the present invention.
Claims (6)
1. A waste plastic crusher is characterized by comprising a crushing box, wherein a feeding hole is formed in one side of the upper end of the crushing box, a discharge port is arranged at the lower end of the crushing box, a wedge block is fixedly arranged in the inner cavity of the crushing box, one end of the upper surface of the wedge block is flush with the lower end of the feed port, the other end of the upper surface of the wedge block is positioned below the feed port in the vertical direction, a first extrusion crushing mechanism is arranged at the upper end of the inner cavity of the crushing box, which is opposite to the upper surface of the wedge block, a second extrusion crushing mechanism is arranged between the wedge block and the side wall of the crushing box, a first driving motor is fixedly arranged in the wedge block, an output shaft of the first driving motor is downwards arranged and is fixedly connected with a rotating shaft, the crushing knives are circumferentially distributed on the rotating shaft, the lower end of the rotating shaft is connected with a connecting rod through a bearing, and the other end of the connecting rod is fixedly connected with the side wall of the discharge hole;
first extrusion crushing mechanism includes vertical fixed mounting and is in first cylinder of broken case inner chamber upper end, the piston rod of first cylinder sets up downwards and fixedly connected with extrusion piece, extrusion piece lower surface with agree with piece upper surface inclination unanimously and just right setting up agree with the piece top, extrusion piece lower surface distributes and is provided with the extrusion arch, the protruding lower extreme of extrusion is most advanced, it can peel off the material mechanism that takes off of joint plastics in extrusion arch still to be provided with on the extrusion piece.
2. The waste plastic crusher of claim 1, characterized in that: the stripping mechanism comprises second cylinders fixedly mounted at two opposite ends of the extrusion block, piston rods of the second cylinders are arranged downwards, the stripping mechanism further comprises a frame body, the piston rods of the second cylinders are fixedly connected with the frame body and used for driving the frame body to move up and down, reinforcing rods are arranged in the frame body in a connected mode, and the thickness of the reinforcing rods and the thickness of the frame body are smaller than the height of the extrusion protrusions.
3. The waste plastic crusher of claim 1, characterized in that: the broken mechanism of second extrusion includes fixed mounting two second driving motor on the broken case, second driving motor's output shaft level sets up and all has the squeeze roll through the coupling joint, the squeeze roll other end pass through the bearing with broken case is connected, two the surface of squeeze roll is equallyd divide and is laid and be provided with broken tooth, two the broken tooth intermeshing that the squeeze roll outside set up.
4. The waste plastic crusher as claimed in claim 3, wherein: the rotating shaft is provided with crushing knives along the axis direction.
5. The waste plastic crusher as claimed in claim 4, wherein: the crushing knife is provided with cutting edges in the horizontal direction.
6. The waste plastic crusher as claimed in claim 5, wherein: the feeding mechanism is arranged at the feeding port and comprises a feeding pipeline fixedly connected to the outer side of the feeding port of the crushing box, and a conveying belt is horizontally arranged in the feeding pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522317.6A CN109732809B (en) | 2018-12-13 | 2018-12-13 | Waste plastic crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811522317.6A CN109732809B (en) | 2018-12-13 | 2018-12-13 | Waste plastic crusher |
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| Publication Number | Publication Date |
|---|---|
| CN109732809A CN109732809A (en) | 2019-05-10 |
| CN109732809B true CN109732809B (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811522317.6A Active CN109732809B (en) | 2018-12-13 | 2018-12-13 | Waste plastic crusher |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110280334B (en) * | 2019-08-08 | 2021-04-06 | 湖南省桃江县罗家坪福利竹业有限公司 | Bamboo wood waste material's broken recovery unit |
| CN113799298A (en) * | 2021-10-20 | 2021-12-17 | 徐州祥美达包装科技有限公司 | Plastic product recycling and crushing mechanism |
| CN117621312A (en) * | 2023-12-29 | 2024-03-01 | 江苏艾斯瑞特机械有限公司 | Crusher for processing waste plastics |
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2018
- 2018-12-13 CN CN201811522317.6A patent/CN109732809B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050002685A (en) * | 2004-09-13 | 2005-01-10 | 장종윤 | Waste Styrofoam Shredder for Recycling |
| CN103753731A (en) * | 2013-12-30 | 2014-04-30 | 天津华庆百胜塑业有限公司 | Waste plastic crushing machine |
| CN206121867U (en) * | 2016-08-23 | 2017-04-26 | 天津市旭辉恒远塑料包装股份有限公司 | Plastic crushing machine |
| CN206287396U (en) * | 2016-12-23 | 2017-06-30 | 曾广豪 | A kind of stagewise crusher for plastics ＆ rubber |
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| CN109732809A (en) | 2019-05-10 |
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