CN108819034B - A breaker for reclaimed rubber production - Google Patents
A breaker for reclaimed rubber production Download PDFInfo
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- CN108819034B CN108819034B CN201810743890.3A CN201810743890A CN108819034B CN 108819034 B CN108819034 B CN 108819034B CN 201810743890 A CN201810743890 A CN 201810743890A CN 108819034 B CN108819034 B CN 108819034B
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- plate
- groove
- locking
- crushing
- baffle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
- B29B17/04—Disintegrating plastics, e.g. by milling
- B29B2017/0424—Specific disintegrating techniques; devices therefor
- B29B2017/044—Knives
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- 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
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a crusher for producing reclaimed rubber, which comprises a crushing groove, wherein a bottom plate of the crushing groove is obliquely arranged, a feed groove is arranged on the upper side of the crushing groove, a discharge groove is arranged on one side of the crushing groove, the feed groove and the discharge groove are arranged in an opposite angle, the crushing groove is supported by a group of buffer mechanisms below the crushing groove, two opposite notches are arranged on the upper side of the crushing groove, a bearing is arranged in each notch, a rotating shaft is inserted in the bearing and sleeved with and fixed with a compression roller, the compression roller is positioned between the two bearings, a group of first cutters and a group of second cutters are fixed on the outer side of the compression roller, and the blades of the first cutters and the blades of the second cutters are arranged vertically. The invention has the advantages that: the crusher for producing reclaimed rubber can conveniently crush recycled old rubber, so that the old rubber can be fully contacted with a desulfurization reagent in the next desulfurization, and the desulfurization efficiency and the quality of a finished product are improved.
Description
Technical Field
The invention relates to the field of reclaimed rubber, in particular to a crusher for reclaimed rubber production.
Background
China is a country with relatively scarce raw rubber resources, about 50% of the consumption of reclaimed rubber in China per year needs to be imported, the search for a rubber raw material source and a substitute material thereof is a task which is unhappy for China, the reclaimed rubber is rubber which is processed by taking vulcanized leftover waste in the production of rubber products as a raw material, has certain plasticity and can be reused, the reclaimed rubber can partially replace the raw rubber for the rubber products, the raw rubber and carbon black are saved, the processing performance and certain performances of the rubber products are improved, and the desulfurization is incomplete if the reclaimed rubber is directly subjected to a desulfurization process, so that the crushing operation is required to be performed firstly, and if the crushing operation is incomplete, the desulfurization process cannot be performed perfectly, and the defects of finished products are increased.
Disclosure of Invention
The invention aims to solve the defects in the prior art and provides a crusher for reclaimed rubber production.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a breaker for reclaimed rubber production which characterized in that: the crushing device comprises a crushing groove, wherein a bottom plate of the crushing groove is obliquely arranged, a feeding groove is arranged on the upper side of the crushing groove, a discharging groove is arranged on one side of the crushing groove, the feeding groove and the discharging groove are arranged in a diagonal manner, and the crushing groove is supported by a group of buffer mechanisms below;
two oppositely arranged openings are formed in the upper side of the crushing groove, a bearing is arranged in each opening, a rotating shaft is inserted in each bearing, a pressing roller is sleeved and fixed on each rotating shaft, the pressing roller is positioned between the two bearings, a group of first cutters and a group of second cutters are fixed on the outer side of each pressing roller, and the cutting edges of the first cutters and the second cutters are vertically arranged;
a fixed plate is arranged below the crushing groove, two opposite mounting plates are arranged on the upper side of the fixed plate and are respectively positioned on two opposite sides of the crushing groove, a bearing seat is arranged on the upper side of each mounting plate, two ends of the rotating shaft respectively penetrate through the corresponding bearing seats, a connecting plate is arranged on one side of the fixed plate, and a motor for driving the rotating shaft is arranged on the upper side of the connecting plate;
the buffer mechanism comprises an inserted bar, the inserted bar is fixed on the lower side of the crushing groove, a sleeve is arranged below the inserted bar, the sleeve is sleeved on the inserted bar and is in sliding connection with the inserted bar, a sliding block is fixed on the outer side of the inserted bar, a vertical square through hole is formed in the sleeve, the sliding block is arranged in the square through hole and can slide in the vertical direction in the square through hole, a stand column is arranged on the lower side of the sleeve and is inserted in the sleeve and slides with the inner part of the sleeve, a first spring is arranged between the inserted bar and the stand column, the first spring is arranged in the sleeve, a height adjusting mechanism is arranged on the stand column, a ground plate is arranged on the lower;
the height adjusting mechanism comprises a plug board, a group of jacks are arranged on the upright posts, the plug board is plugged in the corresponding jacks and can slide in the jacks, a first baffle is fixed on one side of the plug board, a second baffle is fixed on the other side of the plug board through a locking mechanism, and the first baffle and the second baffle are arranged oppositely and are positioned outside the jacks;
the locking mechanism comprises a locking groove, the locking groove is positioned at one side of the inserting plate close to the second baffle plate, a through hole is formed in the second baffle plate, the through hole and the locking groove are correspondingly arranged, two groups of oppositely arranged baffle pieces are arranged in the locking groove, each group of baffle pieces comprises two oppositely arranged baffle rods, and a channel is formed between the two baffle rods;
the locking piece is connected in the locking groove in a matched mode, the locking piece penetrates through the through hole and is inserted into the locking groove, the locking piece comprises two hinged rods, the two corresponding ends of the two hinged rods are hinged through the rotating shafts, the rotating shafts are located between two blocking pieces, a second spring is arranged between the two hinged rods, the two ends of the second spring are fixed to the corresponding hinged rods respectively, locking rods are arranged on each hinged rod, and each locking rod can be inserted into the corresponding blocking piece.
Preferably, a group of lead plates are uniformly distributed in the press roll along the circumference of the axis of the press roll.
Preferably, the first spring is a high strength compression spring.
Preferably, the lower side of the grounding plate is provided with a rubber gasket.
Preferably, a set of fixing holes is formed on the fixing plate.
Preferably, two all be equipped with the limiting plate on the locking lever, the limiting plate is in the second baffle outside.
The invention has the advantages that: the crusher for producing reclaimed rubber can conveniently crush recycled old rubber, so that the old rubber can be fully contacted with a desulfurization reagent in the next desulfurization, and the desulfurization efficiency and the quality of a finished product are improved.
Drawings
FIG. 1 is a schematic diagram showing the basic structure of a crusher for reclaimed rubber production according to the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a schematic view of the basic structure of the damper;
FIG. 4 is a cross-sectional view of a cushioning device;
fig. 5 is a basic mechanism diagram of the lock mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 and 2, the crusher for producing reclaimed rubber provided by the invention comprises a crushing tank 1, wherein the crushing tank 1 is a square trough with a bottom plate arranged obliquely, a feed chute 1.1 is arranged on the upper side of the crushing tank 1, a discharge chute 1.2 is arranged on one side of the crushing tank 1, the feed chute 1.1 and the discharge chute 1.2 are arranged diagonally, the feed chute 1.1 is positioned on the higher side of the crushing tank 1, the crushing tank 1 is supported by a group of buffer mechanisms 2 below, in the embodiment, the crushing tank 1 is supported by four buffer mechanisms 2 below, and the four buffer devices 2 are respectively arranged at four corners of the lower side of the crushing tank 1;
the upper side of the crushing groove 1 is provided with two oppositely arranged openings 1.3, the openings 1.3 are arranged between the feeding groove 1.1 and the discharging groove 1.2, each opening 1.3 is semicircular, a bearing 9 is arranged in each opening 1.3, a rotating shaft 8 is inserted in each bearing 9, a compression roller 5 is sleeved on each rotating shaft 8 and is fixed by welding, 8 lead plates are circumferentially arrayed in the compression roller 5 by taking the axis of each lead plate as the center of a circle, the lead plates are used for increasing the weight, the compression roller 5 is arranged between the two bearings 9, a group of first cutters 5.1 and a group of second cutters 5.2 are welded on the outer side of the compression roller 5, 30 first cutters 5.1 and 30 second cutters 5.2 are uniformly welded on the outer side of the compression roller 5, the first cutters 5.1 and the second cutters 5.2 are arranged in a staggered manner, and the cutting edges of the first cutters 5.1 and the second cutters 5.2 are all arranged vertically;
a fixing plate 4 is arranged below the crushing groove 1, 6 fixing holes 4.1 are formed in the fixing plate 4, bolts are arranged in the fixing holes 4.1, the fixing plate 4 is fixed on the ground through the bolts, two opposite mounting plates 7 are welded to the upper side of the fixing plate 4, the two mounting plates 7 are respectively located on two opposite sides of the crushing groove 1, a bolt fixing bearing seat 7.1 is used on the upper side of each mounting plate 7, two ends of a rotating shaft 8 respectively penetrate through the corresponding bearing seats 7.1, a connecting plate 6.1 is arranged on one side of the fixing plate 4, a motor 6 is arranged on the upper side of the connecting plate 6.1, and the motor 6 is connected with;
the buffer mechanism 2 comprises an inserted rod 2.2, the inserted rod 2.2 is cylindrical, the inserted rod 2.2 is welded at the lower side of the crushing groove 1, a sleeve 2.1 is arranged below the inserted rod 2.2, the sleeve 2.1 is sleeved on the inserted rod 2.2 and is in sliding connection with the inserted rod, a slide block 2.4 is welded at the outer side of the inserted rod 2.2, a vertical square through hole 2.3 is arranged on the sleeve 2.1, the slide block 2.4 is arranged in the square through hole 2.3, the slide block 2.4 can slide in the vertical direction in the square through hole 2.3, a column 2.8 is arranged at the lower side of the sleeve 2.1, the column 2.8 is cylindrical, the column 2.8 is inserted in the sleeve 2.1 and slides in the column, a first spring 2.5 is arranged between the inserted rod 2.2 and the column 2.8, the first spring 2.5 is a high-strength compression spring, the first spring 2.5 is arranged in the sleeve 2.1, a height adjusting mechanism 3 is arranged on the column 2.8, a rubber gasket 7.7 is arranged at the lower side of the column 2.8, and a ground plate 71 is arranged on the lower side, the ground plate 2.7 is provided with a hydraulic cylinder 2.6, and the hydraulic cylinder 2.6 is used for supporting the crushing tank 1;
the height adjusting mechanism 3 comprises an inserting plate 3.2, the length of the inserting plate 3.2 is larger than the outer diameter of the sleeve 2.1, the inserting plate can provide support for the sleeve 2.1, a group of jacks 3.1 are arranged on the upright post 2.8, 2 jacks 3.1 which are arranged in parallel up and down are arranged on the upright post 2.8 in the embodiment, the cross section of each jack 3.1 is square, the inserting plates 3.2 are inserted in the corresponding jacks 3.1 and can slide in the corresponding jacks, a first baffle plate 3.3 is fixed on one side of the inserting plate 3.2, a second baffle plate 3.4 is fixed on the other side of the inserting plate 3.2 through a locking mechanism 3a, the first baffle plate 3.3 and the second baffle plate 3.4 are both arc-shaped plates, the thicknesses of the first baffle plate 3.3 and the second baffle plate 3.4 are more than 20mm of the thickness of the inserting plate 3.2, the first baffle plate 3.2 is used for preventing the inserting plate 3.2 from moving out of the inserting hole 3.1, the lower sides of the first baffle plate 3.3, the second baffle plate 3.4 and the inserting plate 3.2 are positioned on the same horizontal plane, and the first baffle plate 3.3 and the second baffle plate 3.4 are oppositely arranged and are positioned outside the inserting hole;
the locking mechanism 3a comprises a locking groove 3.21, the locking groove 3.21 is positioned at one side of the inserting plate 3.2 close to the second baffle 3.4, a through hole 3.41 is arranged on the second baffle 3.4, the through hole 3.41 is arranged corresponding to the locking groove 3.21, two groups of oppositely arranged baffle pieces 3.22 are arranged in the locking groove 3.21, each group of baffle pieces 3.22 comprises two oppositely arranged baffle rods, and a channel is formed between the two baffle rods;
a locking piece is connected in the locking groove 3.21 in a matched mode, the locking piece penetrates through the through hole 3.41 and is inserted into the locking groove 3.21 in an inserted mode, the locking piece comprises two hinged rods 3.5, two corresponding ends of the two hinged rods 3.5 are hinged through rotating shafts 3.51, the rotating shafts 3.51 are located between the two blocking pieces 3.2, a second spring 3.6 is arranged between the two hinged rods 3.5, two ends of the second spring 3.6 are fixed to the corresponding hinged rods 3.5 respectively, a locking rod 3.52 is arranged on each hinged rod 3.5, and each locking rod 3.52 can be inserted between the two blocking pieces of the corresponding blocking piece 3.21;
the matching relation between the locking rod 3.52 and the blocking piece 3.21 is controlled by changing the size of the included angle between the two hinged rods 3.5, the size of the included angle between the two hinged rods 3.5 is reduced, so that the locking rod 3.52 is withdrawn from between the two blocking rods of the blocking piece 3.21, the locking piece can be pulled out of the locking groove 3.21, and the inserting plate 3.2 can be taken out of the inserting hole after the second blocking plate 3.4 is taken down; after the locking piece is inserted into the locking groove 3.21 through the second baffle 3.4, the size of the included angle between the two hinged rods 3.5 is increased, so that the locking rod 3.52 is inserted between the two baffle rods of the blocking piece 3.21, and the locking piece can be locked.
Through the height that changes the jack 3.1 that inserted bar 3.2 pegged graft, change buffer 2's height and improve first spring 2.5 and take place the required power of deformation to change the pressure to the material between compression roller 5 and the broken groove 1.
All be equipped with limiting plate 3.53 on two locking lever 3.5, limiting plate 3.53 is in the second baffle 3.4 outside, and limiting plate 3.53 is used for preventing that second baffle 3.4 from removing, because during second baffle 3.4 removed, can extrude two hinge bar 3.5, makes the contained angle between the hinge bar 3.5 reduce, causes the condition of locking inefficacy.
Claims (4)
1. The utility model provides a breaker for reclaimed rubber production which characterized in that: the device comprises a crushing tank (1), wherein a bottom plate of the crushing tank (1) is obliquely arranged, a feeding tank (1.1) is arranged on the upper side of the crushing tank (1), a discharging tank (1.2) is arranged on one side of the crushing tank (1), the feeding tank (1.1) and the discharging tank (1.2) are arranged in a diagonal manner, and the crushing tank (1) is supported by a group of buffer mechanisms (2) below;
the upper side of the crushing groove (1) is provided with two oppositely arranged openings (1.3), a bearing (9) is arranged in each opening (1.3), a rotating shaft (8) is inserted in each bearing (9), a press roller (5) is sleeved on and fixed with the rotating shaft (8), the press roller (5) is positioned between the two bearings (9), a group of first cutters (5.1) and a group of second cutters (5.2) are fixed on the outer side of the press roller (5), and the cutting edge of each first cutter (5.1) is perpendicular to the cutting edge of each second cutter (5.2);
a fixing plate (4) is arranged below the crushing groove (1), two opposite mounting plates (7) are arranged on the upper side of the fixing plate (4), the two mounting plates (7) are respectively positioned on two opposite sides of the crushing groove (1), a bearing seat (7.1) is arranged on the upper side of each mounting plate (7), two ends of a rotating shaft (8) respectively penetrate through the corresponding bearing seats (7.1), a connecting plate (6.1) is arranged on one side of the fixing plate (4), and a motor (6) for driving the rotating shaft (8) is arranged on the upper side of the connecting plate (6.1);
the buffer mechanism (2) comprises an inserted bar (2.2), the inserted bar (2.2) is fixed on the lower side of the crushing groove (1), a sleeve (2.1) is arranged below the inserted bar (2.2), the sleeve (2.1) is sleeved on the inserted bar (2.2) and is in sliding connection with the inserted bar, a sliding block (2.4) is fixed on the outer side of the inserted bar (2.2), a vertical square through hole (2.3) is arranged on the sleeve (2.1), the sliding block (2.4) is arranged in the square through hole (2.3), the sliding block (2.4) can slide in the vertical direction in the square through hole (2.3), a column (2.8) is arranged on the lower side of the sleeve (2.1), the column (2.8) is inserted in the sleeve (2.1) and slides in the sleeve (2.1), a first spring (2.5) is arranged between the inserted bar (2.2) and the column (2.8), a height adjusting mechanism (7.8) is arranged on the lower side of the column (2.8), the upright post (2.8) is fixed on the grounding plate (2.7);
the height adjusting mechanism (3) comprises an inserting plate (3.2), a group of inserting holes (3.1) are formed in the upright post (2.8), the inserting plate (3.2) is inserted into the corresponding inserting holes (3.1) and can slide in the inserting holes, a first baffle plate (3.3) is fixed on one side of the inserting plate (3.2), a second baffle plate (3.4) is fixed on the other side of the inserting plate (3.2) through a locking mechanism (3 a), and the first baffle plate (3.3) and the second baffle plate (3.4) are arranged oppositely and are positioned outside the inserting holes (3.1);
the locking mechanism (3 a) comprises a locking groove (3.21), the locking groove (3.21) is positioned at one side of the inserting plate (3.2) close to the second baffle (3.4), a through hole (3.41) is formed in the second baffle (3.4), the through hole (3.41) and the locking groove (3.21) are correspondingly arranged, two groups of blocking pieces (3.2) which are oppositely arranged are arranged in the locking groove (3.21), each group of blocking pieces (3.2) comprises two blocking rods which are oppositely arranged, and a channel is formed between the two blocking rods;
the locking device is connected in the locking groove (3.21) in a matched mode, the locking device penetrates through the through hole (3.41) and is inserted into the locking groove (3.21), the locking device comprises two hinged rods (3.5), two corresponding ends of the two hinged rods (3.5) are hinged through rotating shafts (3.51), the rotating shafts (3.51) are located between the two blocking pieces (3.2), a second spring (3.6) is arranged between the two hinged rods (3.5), two ends of the second spring (3.6) are respectively fixed on the corresponding hinged rods (3.5), each hinged rod (3.5) is provided with a locking rod (3.52), and each locking rod (3.52) can be inserted between the two blocking pieces of the corresponding blocking piece (3.21);
a group of lead plates are uniformly distributed in the press roller (5) along the circumference of the axis of the press roller (5);
the first spring (2.5) is a high-strength compression spring.
2. A crusher for reclaimed rubber production according to claim 1, wherein: and a rubber gasket (2.71) is arranged on the lower side of the grounding plate (2.7).
3. A crusher for reclaimed rubber production according to claim 1, wherein: a group of fixing holes (4.1) are arranged on the fixing plate (4).
4. A crusher for reclaimed rubber production according to claim 1, wherein: and limiting plates (3.53) are arranged on the two locking rods (3.5), and the limiting plates (3.53) are positioned on the outer side of the second baffle (3.4) and are in contact with the second baffle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743890.3A CN108819034B (en) | 2018-07-09 | 2018-07-09 | A breaker for reclaimed rubber production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810743890.3A CN108819034B (en) | 2018-07-09 | 2018-07-09 | A breaker for reclaimed rubber production |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108819034A CN108819034A (en) | 2018-11-16 |
| CN108819034B true CN108819034B (en) | 2020-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810743890.3A Active CN108819034B (en) | 2018-07-09 | 2018-07-09 | A breaker for reclaimed rubber production |
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| CN (1) | CN108819034B (en) |
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| CN1302231A (en) * | 1999-03-08 | 2001-07-04 | 株式会社森制作所 | Method and device for crushing waste tire |
| US7011261B2 (en) * | 2004-07-20 | 2006-03-14 | Chen Yu Machinery Industry Co., Ltd. | Cutting tool of a cutting machine used for cutting plastic materials into granules |
| CN104369284A (en) * | 2014-10-16 | 2015-02-25 | 山东金山橡塑装备科技有限公司 | Rubber particle fine crushing machine |
| CN107469905A (en) * | 2017-08-31 | 2017-12-15 | 鲍鹏升 | One kind is used for building waste processing environment-friendly type retracting device |
| CN107962709A (en) * | 2017-12-12 | 2018-04-27 | 江苏华兴橡胶科技有限公司 | Method for rubber chunk |
| CN207292214U (en) * | 2017-06-06 | 2018-05-01 | 莆田市在梦里贸易有限公司 | A kind of lift bicycle seat |
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2018
- 2018-07-09 CN CN201810743890.3A patent/CN108819034B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1302231A (en) * | 1999-03-08 | 2001-07-04 | 株式会社森制作所 | Method and device for crushing waste tire |
| US7011261B2 (en) * | 2004-07-20 | 2006-03-14 | Chen Yu Machinery Industry Co., Ltd. | Cutting tool of a cutting machine used for cutting plastic materials into granules |
| CN104369284A (en) * | 2014-10-16 | 2015-02-25 | 山东金山橡塑装备科技有限公司 | Rubber particle fine crushing machine |
| CN207292214U (en) * | 2017-06-06 | 2018-05-01 | 莆田市在梦里贸易有限公司 | A kind of lift bicycle seat |
| CN107469905A (en) * | 2017-08-31 | 2017-12-15 | 鲍鹏升 | One kind is used for building waste processing environment-friendly type retracting device |
| CN107962709A (en) * | 2017-12-12 | 2018-04-27 | 江苏华兴橡胶科技有限公司 | Method for rubber chunk |
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| CN108819034A (en) | 2018-11-16 |
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