CN109225515B - Crushing device of double-shaft crusher - Google Patents
Crushing device of double-shaft crusher Download PDFInfo
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- CN109225515B CN109225515B CN201811073357.7A CN201811073357A CN109225515B CN 109225515 B CN109225515 B CN 109225515B CN 201811073357 A CN201811073357 A CN 201811073357A CN 109225515 B CN109225515 B CN 109225515B
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- knife
- cutters
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C18/142—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers with two or more inter-engaging rotatable cutter assemblies
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C18/00—Disintegrating by knives or other cutting or tearing members which chop material into fragments
- B02C18/06—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives
- B02C18/16—Details
- B02C18/18—Knives; Mountings thereof
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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
- Y02W30/62—Plastics recycling; Rubber recycling
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Pulverization Processes (AREA)
Abstract
The invention discloses a crushing device of a double-shaft crusher, which comprises a cutter box, wherein two parallel main shafts are arranged on the cutter box, a plurality of movable cutters are arranged on each main shaft side by side, the movable cutters on the two main shafts are arranged in a staggered manner, and the technical scheme is characterized in that a middle fixed cutter assembly for crushing thin and tough materials is arranged below the position between the two main shafts, and the middle fixed cutter assembly comprises a plurality of left fixed cutters and right fixed cutters which are arranged in a staggered manner. According to the invention, by utilizing the characteristic of high crushing efficiency of the double-shaft crusher, the middle fixed cutter component and the crushing structure are additionally arranged between the double shafts, the crushing device before the additional arrangement has only one crushing point, and two crushing points are additionally arranged, so that the requirement of crushing the materials for one time is met, the secondary crushing is not needed after screening, the generation of long-strip materials can be effectively reduced, the crushing benefit ratio is greatly improved, and the uniformity of the crushed materials is improved.
Description
[ field of technology ]
The invention relates to a crushing device of a double-shaft crusher.
[ background Art ]
In the garbage disposal industry, the double-shaft shearing crusher has the advantages of high crushing efficiency, small power consumption and wide adaptability, so that a large amount of application is realized, the working principle is that the side faces of the movable cutter and the adjacent movable cutters are sheared in a pure mode, and the movable cutter tip and the spacer generate extrusion and shredding to materials, so that the crusher is not easy to break thin and tough materials (such as plastic films, cloths, long fiber straws and the like) in garbage, long strips are easy to form, certain crushing requirements cannot be met, secondary crushing is performed after screening, the cost is increased, and the crushing efficiency is reduced.
The present invention has been made based on this situation.
[ invention ]
The invention aims to overcome the defects of the prior art and provides a crushing device of a double-shaft crusher, which has high crushing efficiency and wide adaptability and can thoroughly crush thin and tough materials at one time.
The invention is realized by the following technical scheme:
the utility model provides a breaker of biax breaker, including tool box 1, be equipped with two parallel main shafts 2 on tool box 1, be equipped with a plurality of movable knife 3 side by side on every main shaft 2, the crisscross setting of movable knife 3 on two main shafts 2, its characterized in that: a middle fixed cutter assembly 4 for crushing the thin ductile material 12 is arranged at the lower position between the two main shafts 2, and the middle fixed cutter assembly 4 comprises a plurality of left fixed cutters 401 and right fixed cutters 402 which are arranged in a staggered way.
The crushing device of the double-shaft crusher is characterized in that: the surface of the left fixed knife 401 and the right fixed knife 402 facing the movable knife 3 is provided with a breaking structure 5 matched with the knife tip of the movable knife 3.
The crushing device of the double-shaft crusher is characterized in that: a spacer bush 8 is arranged between two adjacent movable cutters 3 on the same shaft, one movable cutter tip on one main shaft 2 is matched with the spacer bush 8 on the other main shaft 2 to form a primary breaking point 6, the cutter tip of the movable cutter 3 is matched with the breaking structure 5 to form a secondary breaking point 7, and the movable cutter 3 breaks the thin ductile material 12 at the primary breaking point 6 and the secondary breaking point 7.
The crushing device of the double-shaft crusher is characterized in that: the breaking structure 5 is a groove 501.
The crushing device of the double-shaft crusher is characterized in that: the breaking structure 5 is a bead 502.
The crushing device of the double-shaft crusher is characterized in that: the breaking structure 5 is a blade.
The crushing device of the double-shaft crusher is characterized in that: the two parallel main shafts 2 comprise a left main shaft and a right main shaft, the left fixed cutter 401 passes through the space sleeve 8 between two adjacent right fixed cutters 402 and points to the left main shaft, and the movable cutter 3 on the right main shaft rotates between the two adjacent right fixed cutters 402 to be matched with the breaking structure 5 on the left fixed cutter 401 to generate a secondary breaking point 7; the right stationary knife 402 passes through the spacer bush 8 between two adjacent left stationary knives 401 and points to the right spindle, and the moving knife 3 on the left spindle rotates between two adjacent left stationary knives 401 and cooperates with the breaking structure 5 on the right stationary knife 402 to generate a secondary breaking point 7.
The crushing device of the double-shaft crusher is characterized in that: the top of the left stationary knife 401 and the top of the right stationary knife 402 are respectively provided with a scraping tip 9 for scraping materials wound on the spacer bush 8.
The crushing device of the double-shaft crusher is characterized in that: a plurality of side fixed cutters 10 are arranged on the outer sides of the movable cutters 3 on the two main shafts 2, the side fixed cutters 10 are fixed on the cutter box 1, and two adjacent side fixed cutters 10 are separated by the movable cutters 3.
The crushing device of the double-shaft crusher is characterized in that: the middle stationary knife assembly 4 further comprises a left knife holder 403, a right knife holder 404 and a connecting seat 405 for connecting the left knife holder 403 and the right knife holder 404, a plurality of left stationary knives 401 are integrally arranged on the left knife holder 403, a plurality of right stationary knives 402 are integrally arranged on the right knife holder 404, and two sides of the middle stationary knife assembly 4 are provided with fixing blocks 11 for fixing the middle stationary knife assembly 4 on the knife box 1.
Compared with the prior art, the invention has the following advantages:
1. according to the invention, by utilizing the characteristic of high crushing efficiency of the double-shaft crusher, the middle fixed cutter component and the crushing structure are additionally arranged between the double shafts, the crushing device before the additional arrangement has only one crushing point, and two crushing points are additionally arranged, so that the requirement of crushing the materials for one time is met, the secondary crushing is not needed after screening, the generation of long-strip materials can be effectively reduced, the crushing benefit ratio is greatly improved, and the uniformity of the crushed materials is improved.
2. The double-shaft crushing device has the advantages of simple structure, stable performance, high efficiency, low power consumption, low noise and no dust generation in the crushing process.
3. The knife tip of the fixed knife can scrape the material wound on the spacer bush, and the material is prevented from influencing the breaking of the thin and tough material by the movable knife.
[ description of the drawings ]
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a sectional view in the direction D-D in fig. 2, in which the breaking structure is the case of the first embodiment;
FIG. 4 is a sectional view in the direction E-E in FIG. 2, the broken structure in the sectional view being the case of the first embodiment;
fig. 5 is a sectional view in the direction D-D in fig. 2, in which the broken structure is the case of the second embodiment;
fig. 6 is a sectional view in the direction E-E in fig. 2, in which the breaking structure is the case of the second embodiment;
FIG. 7 is a perspective view of an intermediate stationary knife assembly of the present invention, with the break structure in the perspective view being the case of embodiment one;
FIG. 8 is a plan view of an intermediate stationary knife assembly of the present invention, with the break structure in the plan view being the case of embodiment one;
FIG. 9 is a plan view of an intermediate stationary knife assembly of the present invention, with the break structure in the plan view being the case of embodiment two;
fig. 10 is an enlarged view at E in fig. 3;
fig. 11 is an enlarged view at F in fig. 5.
In the figure: 1 is a tool box; 2 is a main shaft; 3 is a movable knife; 4 is an intermediate stationary knife assembly; 401. is a left stationary knife; 402 is the right stationary knife; 403 is a left knife holder; 404 is the right blade holder; 405 is a connecting seat; 5 is a breaking structure; 501 is a groove; 502 is a protrusion; 6 is a primary breaking point; 7 is a secondary breaking point; 8 is a spacer bush; 9 is a scraping tip; 10 is a side fixed cutter; 11 is a fixed block; 12 is a thin ductile material.
[ detailed description ] of the invention
The technical features of the present invention are described in further detail below with reference to the accompanying drawings so that those skilled in the art can understand the features.
The utility model provides a breaker of biax breaker, as shown in fig. 1 through 9, including tool box 1, be equipped with two parallel main shafts 2 on tool box 1, be equipped with a plurality of moving blades 3 on every main shaft 2 side by side, the moving blade 3 on two main shafts 2 is crisscross to be set up, is equipped with the middle stationary knife subassembly 4 of broken thin toughness material 12 in the below position between two main shafts 2, middle stationary knife subassembly 4 is including a plurality of staggered left stationary knife 401 and right stationary knife 402.
The movable knife 3 is symmetrically provided with a plurality of knife tips, the movable knife 3 is positioned on the main shaft 2, a certain installation included angle is formed between the coaxial movable knives 3 and the adjacent movable knives 3, the two parallel main shafts 2 comprise a left main shaft and a right main shaft, the movable knives on the left main shaft are left movable knives, the movable knives on the right main shaft are right movable knives, the left fixed knife 401 is matched with the left movable knife to cut, press or tear materials, and the right fixed knife 402 is matched with the left movable knife to cut, press or tear materials. The left moving knife is matched with the right main shaft, and the right moving knife is matched with the left main shaft to squeeze and tear materials. The combination of the breaking force generated by the cooperation of the movable knife 3 and the main shaft 2 and the breaking force generated by the cooperation of the movable knife 3 and the fixed knife can effectively break the thin and tough material 12.
Further, a spacer bush 8 is arranged between two adjacent movable cutters 3 on the same shaft, the spacer bush 8 is sleeved on the main shaft 2, two end faces of the spacer bush 8 are tightly attached to the side faces of the movable cutters 3, the spacer bush 8 positions the two movable cutters 3 on the main shaft 2, then the movable cutters 3 are not matched with the main shaft 2 any more, but are matched with the spacer bush 8 to form breaking force, and the breaking force generated by the matching of the movable cutters 3 and the spacer bush 8 is added with the breaking force generated by the matching of the movable cutters 3 and the fixed cutters, so that the two breaking force can be combined to effectively break the thin ductile materials 12.
The surface of the left fixed knife 401 and the right fixed knife 402 facing the movable knife 3 is provided with a breaking structure 5 matched with the knife tip of the movable knife 3. After the knife tip of the movable knife 3 is matched with the breaking structure 5, the thin and tough material 12 is broken more effectively and thoroughly.
Specifically, as shown in fig. 3 to 6, the knife tip of the left moving knife is matched with the spacer 8 on the right spindle, the knife tip of the right moving knife is matched with the spacer 8 on the left spindle to form a primary breaking point 6, the knife tip of the moving knife 3 is matched with the breaking structure 5 to form a secondary breaking point 7, and the thin ductile material 12 is broken at the primary breaking point 6 and the secondary breaking point 7 by the knife tip of the moving knife 3. The primary breaking point 6 and the secondary breaking point 7 refer to a small breaking surface on the material placed on the fixed knife, but not a point on the fixed knife, at the primary breaking point 6, the knife tip of the movable knife 3 presses and tears the material, and at the secondary breaking point 7, the knife tip of the movable knife 3 presses, tears and shears the material, and the rest of the material is sheared by two adjacent movable knives 3.
The breaking force formed at the primary breaking point 6 is combined with the breaking force formed at the secondary breaking point 7, so that urban household garbage can be effectively broken, and industrial garbage can be effectively broken, such as plastics, cloth, paper and the like.
The invention utilizes the high efficiency of the double-shaft crusher, and is improved from the working principle by additionally arranging the middle fixed cutter assembly 4 and the breaking structure 5, one crushing cutter simultaneously carries out secondary crushing to meet the requirement of crushing particle size of materials, and the materials do not need to be screened to another machine for secondary crushing after primary crushing, so that the generation of long-strip materials can be effectively reduced, the crushing benefit ratio is greatly improved, the uniformity of the crushed materials is improved, and the cost is reduced.
Embodiment one of the breaking structure 5 of the present invention: the breaking structure 5 is a groove 501. As shown in fig. 3, 4, 7 and 8, a thin line represents the cross section of the Bao Renxing material 12, and in the breaking process, the secondary breaking point 7 of the thin ductile material 12 is extruded and plugged into the groove 501 to be positioned, so that the sliding is not easy to slide, the acting force of the moving knife point is approximately perpendicular to the secondary breaking point 7, and the cutting force is mainly generated. If the groove 501 is not formed, the surface of the stationary knife is smoother, more materials on the stationary knife are ground off by the tip of the movable knife, and if the thin ductile material 12 is plastic, the materials cannot be ground off completely, so that the situation of incomplete breakage occurs.
Embodiment two of the breaking structure 5 of the present invention: the breaking structure 5 is a bead 502, as shown in fig. 5, 6 and 9. The bulge 502 is a welding rod, the welding rod is wear-resistant, the thin ductile material 12 is also positioned by the bulge 502 and is not easy to slide off, the acting force of the knife tip of the movable knife is approximately perpendicular to the secondary breaking point 7, besides the cutting force is generated, the grinding force is also generated, and the thin plastic has a good breaking effect.
Embodiment three of the breaking structure 5 of the present invention: the breaking structure 5 may be a blade in addition to a groove and a protrusion, but the effect may be poor.
Specifically, the left stationary blade 401 passes through between two adjacent right stationary blades 402 and points to the spacer 8 on the left main shaft, and the moving blade 3 on the right main shaft rotates between two adjacent right stationary blades 402 to cooperate with the breaking structure 5 on the left stationary blade 401 to generate a secondary breaking point 7 for breaking the material; the right stationary knife 402 passes through the spacer bush 8 between two adjacent left stationary knives 401 and points to the right spindle, and the moving knife 3 on the left spindle rotates between two adjacent left stationary knives 401 and cooperates with the breaking structure 5 on the right stationary knife 402 to generate a secondary breaking point 7 for breaking the material.
The top of left dead knife 401 and the top of right dead knife 402 all are equipped with the scraping tip 9 of striking off the material that twines on spacer 8, scraping tip 9 is apart from rather than spacer 8 clearance L as shown in fig. 10, and this clearance L is adjustable as required, can be 0 millimeter to 10 millimeters, and this clearance is preferably 1 millimeter to 2 millimeters, if this clearance is too big, and the thin ductile material 12 of twining on spacer 8 can walk around the dead knife point, can not break once more through secondary break point 7. The gap between the two moving blades of the prior art is not adjustable.
A plurality of side fixed cutters 10 are arranged on the outer sides of the movable cutters 3 on the two main shafts 2, the side fixed cutters 10 are fixed on the cutter box 1, two adjacent side fixed cutters 10 are separated by the movable cutters 3, and the side fixed cutters 10 and the mounting structure thereof are in the prior art.
The middle stationary knife assembly 4 further comprises a left knife holder 403, a right knife holder 40 and a connecting seat 405 for connecting the left knife holder 403 and the right knife holder 404, a plurality of left stationary knives 401 are integrally arranged on the left knife holder 403, a plurality of right stationary knives 402 are integrally arranged on the right knife holder 404, two sides of the middle stationary knife assembly 4 are provided with fixing blocks 11 for fixing the middle stationary knife assembly 4 on the knife box 1, and the fixing blocks 11 are fixed at the bottom of the knife box 1 through bolts, as shown in fig. 1.
Of course, the left stationary blade 401, the left blade holder 403, the right stationary blade 402, the right blade holder 404, and the connecting seat 405 may be formed as a single piece, as shown in fig. 7.
The process and principle of the present invention for breaking the thin ductile material 12 is as follows:
at the primary breaking point 6, the knife tip of the moving knife 3 is used for crushing and tearing the thin ductile material 12, and at the secondary breaking point 7, the knife tip of the moving knife 3 is used for crushing, tearing, grinding and shearing the material, because the crushing device comprises two main shafts 2, a plurality of moving knives which are arranged in a staggered manner are arranged, and a plurality of fixed knives which are arranged in a staggered manner are correspondingly arranged, a plurality of staggered primary breaking points 6 and a plurality of staggered secondary breaking points 7 are arranged, and the knife tip of the moving knife 3 can thoroughly crush the thin ductile material 12 through the breaking of the thin ductile material 12 at the primary breaking points 6 and the secondary breaking points 7, so that the secondary crushing after sieving is not needed any more.
The embodiments of the present invention are merely described in terms of preferred embodiments of the present invention, and are not intended to limit the scope and spirit of the present invention, but various modifications and improvements of the technical solutions of the present invention will be apparent to those skilled in the art without departing from the design concept of the present invention.
Claims (6)
1. The utility model provides a breaker of biax breaker, including tool box (1), be equipped with two parallel main shafts (2) on tool box (1), be equipped with a plurality of moving knife (3) side by side on every main shaft (2), the crisscross setting of moving knife (3) on two main shafts (2), its characterized in that: a middle fixed cutter assembly (4) for crushing a thin ductile material (12) is arranged below two main shafts (2), the middle fixed cutter assembly (4) comprises a plurality of left fixed cutters (401) and right fixed cutters (402) which are arranged in a staggered mode, breaking structures (5) matched with the cutter tips of the movable cutters (3) are arranged on the surfaces of the left fixed cutters (401) and the right fixed cutters (402) facing the movable cutters (3), a spacer (8) is arranged between two adjacent movable cutters (3) on the same shaft, one movable cutter tip on one main shaft (2) is matched with the spacer (8) on the other main shaft (2) to form a primary breaking point (6), the cutter tips of the movable cutters (3) are matched with the breaking structures (5) to form a secondary breaking point (7), the thin ductile material (12) is broken by the movable cutters (3) at the primary breaking point (6) and the secondary breaking point (7), the two parallel main shafts (2) comprise a left main shaft and a right main shaft, and the movable cutter tip (3) passes through the spacer (8) on the two main shafts (402) on the left side and the two adjacent fixed cutters (3) on the left side and the two main shafts (402); the right stationary knife (402) passes through a spacer (8) between two adjacent left stationary knives (401) and points to a right main shaft, a moving knife (3) on the left main shaft rotates between the two adjacent left stationary knives (401) and cooperates with a breaking structure (5) on the right stationary knife (402) to generate a secondary breaking point (7), and scraping tips (9) for scraping materials wound on the spacer (8) are arranged at the top of the left stationary knife (401) and the top of the right stationary knife (402).
2. The crushing device of a double shaft crusher according to claim 1, characterized in that: the breaking structure (5) is a groove (501).
3. The crushing device of a double shaft crusher according to claim 1, characterized in that: the breaking structure (5) is a bead-welded protrusion (502).
4. The crushing device of a double shaft crusher according to claim 1, characterized in that: the breaking structure (5) is a blade.
5. Crushing device of a double shaft crusher according to any one of claims 1-4, characterized in that: a plurality of side fixed cutters (10) are arranged on the outer sides of the movable cutters (3) on the two main shafts (2), the side fixed cutters (10) are fixed on the cutter box (1), and two adjacent side fixed cutters (10) are separated by the movable cutters (3).
6. The crushing device of a double shaft crusher according to claim 5, characterized in that: the middle stationary knife assembly (4) further comprises a left knife holder (403), a right knife holder (404) and a connecting seat (405) for connecting the left knife holder (403) and the right knife holder (404), wherein the left stationary knife (401) is integrally arranged on the left knife holder (403), the right stationary knife (402) is integrally arranged on the right knife holder (404), and fixing blocks (11) for fixing the middle stationary knife assembly (4) on the knife box (1) are arranged on two sides of the middle stationary knife assembly (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073357.7A CN109225515B (en) | 2018-09-14 | 2018-09-14 | Crushing device of double-shaft crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811073357.7A CN109225515B (en) | 2018-09-14 | 2018-09-14 | Crushing device of double-shaft crusher |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109225515A CN109225515A (en) | 2019-01-18 |
| CN109225515B true CN109225515B (en) | 2023-06-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811073357.7A Active CN109225515B (en) | 2018-09-14 | 2018-09-14 | Crushing device of double-shaft crusher |
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| CN (1) | CN109225515B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109954558A (en) * | 2019-04-19 | 2019-07-02 | 艾迪机器(杭州)有限公司 | A kind of safety-type kitchen garbage processing tapping equipment and implementation method |
| CN111282684A (en) * | 2020-03-06 | 2020-06-16 | 中山市昊瑞环保设备有限公司 | Double-shaft crusher |
| CN111408459B (en) * | 2020-04-08 | 2021-11-05 | 烟台大为环保科技有限公司 | Antiwind biax shredder |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101869864A (en) * | 2010-06-02 | 2010-10-27 | 首钢总公司 | High-efficiency combined type domestic garbage crusher |
| CN203018159U (en) * | 2012-12-31 | 2013-06-26 | 中山市恒动机械制造有限公司 | Anti-winding unloading structure of garbage crusher |
| CN203091021U (en) * | 2013-01-23 | 2013-07-31 | 张家港市贝斯佳机械有限公司 | Novel double-shaft shredding machine |
| CN103521324A (en) * | 2013-09-13 | 2014-01-22 | 无锡锡东能源科技有限公司 | Straw crusher |
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2018
- 2018-09-14 CN CN201811073357.7A patent/CN109225515B/en active Active
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