CN111841752A - Multi-disc stepped crushing roller and double-roller crusher - Google Patents
Multi-disc stepped crushing roller and double-roller crusher Download PDFInfo
- Publication number
- CN111841752A CN111841752A CN202010440441.9A CN202010440441A CN111841752A CN 111841752 A CN111841752 A CN 111841752A CN 202010440441 A CN202010440441 A CN 202010440441A CN 111841752 A CN111841752 A CN 111841752A
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- crushing
- discs
- disc
- roller
- roller shaft
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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
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/28—Details
- B02C4/30—Shape or construction of rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C4/00—Crushing or disintegrating by roller mills
- B02C4/02—Crushing or disintegrating by roller mills with two or more rollers
- B02C4/08—Crushing or disintegrating by roller mills with two or more rollers with co-operating corrugated or toothed crushing-rollers
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- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The present invention relates to a multi-piece stepped crushing roller, comprising: a first crushing roller shaft and a second crushing roller shaft which are arranged at intervals; the first crushing roller shaft is connected with a plurality of first crushing discs which are mutually overlapped; each first crushing disc is provided with a first crushing groove; the second crushing roller shafts are connected with a plurality of second crushing discs which are overlapped with each other, the diameter of the second crushing disc positioned in the middle of each second crushing roller shaft is the smallest, and the rest of the second crushing discs are arranged in an increasing mode in sequence towards two sides of the second crushing disc positioned in the middle of each second crushing roller shaft by taking the second crushing disc positioned in the middle of each second crushing roller shaft as the center; and each second crushing disc is provided with a second crushing groove. The invention has simple and reasonable structure, the effective working area of the multi-piece stepped crushing roller and the double-roller crusher is longer, and most importantly, when the spherical RAP is encountered, the effective crushing can be effectively carried out, and the problem of idle running of rolling of the spherical RAP can not occur.
Description
Technical Field
The invention relates to the technical field of crushing equipment, in particular to a multi-piece stepped crushing roller and a double-roller crusher.
Background
At present to roller crusher and crushing roller appearance basic adoption be straight section of thick bamboo cylinder structure, adopt the advantage of this type of structure to lie in that processing technology is simple, easily production, but its shortcoming is also more outstanding, that is exactly when meetting some appearance partial sphere class or be similar to the RAP of square, RAP can be always played on straight section of thick bamboo crushing roller and rotate, unless manual intervention clears out the RAP who rolls and can solve, globular RAP is always in the breaker the inside, has taken the effective work area to the roller crusher and has influenced crushing efficiency.
Disclosure of Invention
Technical problem to be solved
In order to solve the problems in the prior art, the invention provides a multi-sheet stepped crushing roller and a double-roller crusher, which have the advantages of high working efficiency, convenience in operation and strong practicability.
(II) technical scheme
In order to achieve the purpose, the invention adopts the main technical scheme that:
a multi-plate stepped crushing roller comprising: the first crushing roller shaft and the second crushing roller shaft move oppositely; the first crushing roller shafts are connected with a plurality of first crushing discs which are mutually overlapped, the diameter of the first crushing disc positioned in the middle of each first crushing roller shaft is the largest, and the rest first crushing discs are arranged in a decreasing mode in sequence towards two sides of the first crushing disc positioned in the middle of each first crushing roller shaft by taking the first crushing disc positioned in the middle of each first crushing roller shaft as the center; each first crushing disc is provided with a first crushing groove in an annular array mode;
The second crushing roller shafts are connected with a plurality of second crushing discs which are overlapped with each other, the diameter of the second crushing disc positioned in the middle of each second crushing roller shaft is the smallest, and the rest of the second crushing discs are arranged in an increasing mode in sequence towards two sides of the second crushing disc positioned in the middle of each second crushing roller shaft by taking the second crushing disc positioned in the middle of each second crushing roller shaft as the center; each second crushing disc is provided with a second crushing groove in an annular array mode;
when the first crushing roller shaft and the second crushing roller shaft are assembled in place, the plurality of first crushing disks and the plurality of second crushing disks form a plurality of crushing cavities.
Further, the height difference between two adjacent first crushing disks is 10 mm; the first crushing discs are integrally in a shuttle-shaped structure, the two ends of each first crushing disc are thin, the middle parts of the first crushing discs are thick, and included angles formed by the first crushing discs are 30-60 degrees.
Further, the height difference between two adjacent second crushing discs is 10 mm; the second crushing discs are of symmetrical umbrella-shaped structures integrally, the middle parts of the second crushing discs are thin, the two ends of the second crushing discs are thick, and included angles formed by the second crushing discs are 30-60 degrees.
Furthermore, be equipped with respectively on first broken roller and the broken roller of second and be used for with broken dish of first broken dish and the broken dish matched with spline connection portion of second, be equipped with respectively on broken dish of first broken dish and the second and connect the groove with spline connection portion matched with spline connection.
Furthermore, a plurality of hinged holes distributed according to an annular array are formed in each first crushing disc and each second crushing disc respectively, fixed pins are connected to the hinged holes and closely and fixedly attach the first crushing discs together, and the fixed pins closely and fixedly attach the second crushing discs together.
Further, the first crushing groove and the second crushing groove are concave or U-shaped.
Furthermore, the first crushing disc and/or the second crushing disc are/is composed of a small gear ring and a large gear ring, and the small gear ring is connected with the large gear ring through a tooth groove.
A pair of roller crushers includes the multi-piece stepped crushing roller.
(III) advantageous effects
The invention has the beneficial effects that: 1. the application is based on the conical crushing roller, after deep thinning, the rectangular or U-shaped groove-shaped depressed part structure is adopted on the conical roller surface, and the stepped structure is combined, the effective working area of the surface of the crushing roller adopting the structure is larger, the effective contact probability with RAP is larger,
2. the toothed disc structure with the split structure is further provided in the scheme, the toothed disc structure is easy to mount quickly, interchangeability of parts is improved, cost is saved, and the toothed plate can be subjected to special treatment such as local heat treatment and local carburization (nitrogen) treatment according to different materials.
3. By adopting the fluted disc structure, when the tooth-shaped bulge is damaged, the local replacement can be carried out without replacing the whole crushing roller body; this scheme has adopted the fixed scheme of axial fluted disc, adopts this type of fixed mode benefit to lie in, and pinion rack fixed position is located the non-working face of crushing roller, can not cause the damage of fluted disc mounting, and causes fluted disc or crushing roller work portion pine to take off or influence the later stage and dismantle the change.
4. The fluted disc adopts concentric overlapping structure, and the commonality of part has been improved greatly to big dish cover minidisk structure, when big fluted disc appeared damaging, only need change big coiled disc ring gear can, need not whole fluted disc of whole change, practice thrift the cost.
5. The effective working area of the multi-piece stepped crushing roller and the double-roller crusher is longer, and most importantly, when the spherical RAP is encountered, the effective crushing can be effectively carried out, and the problem that the spherical RAP rolls and idles is avoided.
Drawings
FIG. 1 is a schematic overall structure diagram of a first embodiment of the present invention;
FIG. 2 is a schematic view showing the construction of a first crushing roller shaft according to a first embodiment of the present invention;
FIG. 3 is a schematic view of a first crushing disk configuration according to a first embodiment of the invention;
FIG. 4 is a schematic view of a second crushing disk according to the first embodiment of the invention;
Fig. 5 is a schematic view of a first crushing disk according to a second embodiment of the present invention.
Detailed Description
For the purpose of better explaining the present invention and to facilitate understanding, the present invention will be described in detail by way of specific embodiments with reference to the accompanying drawings.
Example 1
A multi-plate stepped crushing roller and double roller crusher according to an embodiment of the present invention, as shown in fig. 1 to 4, includes: the crushing device comprises a first crushing roller shaft 1 and a second crushing roller shaft 2 which are arranged at intervals, wherein the first crushing roller shaft 1 and the second crushing roller shaft 2 move oppositely; the first crushing roller shaft 1 is connected with a plurality of first crushing discs 11 which are mutually overlapped, the diameter of the first crushing disc 11 positioned in the middle of the first crushing roller shaft 1 is the largest, the rest first crushing discs 11 are sequentially arranged in a descending manner towards two sides of the first crushing disc 11 positioned in the middle of the first crushing roller shaft 1 by taking the first crushing disc 11 positioned in the middle of the first crushing roller shaft 1 as the center, and the height difference between every two adjacent first crushing discs 11 is 10 mm; each first crushing disc 11 is provided with first crushing grooves 12 in an annular array mode; specifically, the number of the first crushing grooves 12 is 12, and the first crushing grooves 12 are crushing cavities.
Furthermore, the plurality of first crushing discs 11 are integrally in a shuttle-shaped structure, the two ends of each first crushing disc are thin, the middle part of each first crushing disc is thick, and the included angle formed by the first crushing discs is 30-60 degrees.
Specifically, the second crushing roller shafts 2 are connected with a plurality of second crushing discs 21 which are overlapped with each other, the diameter of the second crushing disc 21 positioned in the middle of the second crushing roller shaft 2 is the smallest, the rest of the second crushing discs 21 are arranged in an increasing manner in sequence towards two sides of the second crushing disc 21 positioned in the middle of the second crushing roller shaft 2 by taking the second crushing disc 21 positioned in the middle of the second crushing roller shaft 2 as the center, and the height difference between every two adjacent second crushing discs 21 is 10 mm; each second crushing disc 21 is provided with second crushing grooves 22 in an annular array mode; specifically, the number of the second crushing grooves 22 is 12, and the second crushing grooves 22 are crushing cavities.
Further, the second crushing discs 21 are of symmetrical umbrella-shaped structures integrally, the middle parts of the second crushing discs are thin, the two ends of the second crushing discs are thick, and included angles formed by the second crushing discs are 30-60 degrees.
When first broken roller 1 and the broken roller 2 of second assemble in place, a plurality of broken chambeies of 11 and the broken dish 21 formation of a plurality of first broken dishes of a plurality of second adopt this type of structure to be favorable to extrudeing, tearing, shearing separation to RAP, can effectively improve the contact surface of crushing roller and treating broken RAP, increase frictional force, improve crushing efficiency.
Further, be equipped with respectively on first broken roller 1 and the broken roller 2 of second and be used for with first broken dish 11 and the broken dish 21 matched with spline connection portion 3 of second for between first broken dish 11 and the broken roller 1 of first, be connected more firmly between the broken dish 21 of second and the broken roller 2 of second, be equipped with respectively on first broken dish 11 and the broken dish 21 of second and connect 3 matched with spline connection groove with spline.
Furthermore, a plurality of hinged holes 4 distributed according to an annular array are formed in each first crushing disc 11 and each second crushing disc 21 respectively, fixed pins 5 are connected to the hinged holes 4, the fixed pins 5 tightly fix and attach the first crushing discs 11 together, the fixed pins 5 tightly fix and attach the second crushing discs 21 together, and the thicknesses of the first crushing discs 11 and the second crushing discs 21 are 30 mm; specifically, the number of the reamed holes 4 is 6.
Further, the shapes of the first crushing groove 12 and the second crushing groove 22 are concave or U-shaped, and U-shaped grooves are adopted, the groove width B of the U-shaped groove is 30mm, and the groove depth K is 20mm, which is more beneficial to controlling the grading of the crushed RAP.
Example 2
The difference between embodiment 2 and embodiment 1 is that the first crushing disk 11 and/or the second crushing disk 21 are not configured as follows:
further, as shown in fig. 5, the first crushing disk 11 and/or the second crushing disk 21 are composed of a small toothed ring 6 and a large toothed ring 7, and the small toothed disk 6 and the large toothed disk 7 are connected by a toothed slot, specifically: on the basis of adopting echelonment fluted disc structure, the fluted disc adopts big little ring gear concentric overlap structure each other, has utilized fluted disc slot-like depressed part structure, and the inside processing of bull gear becomes the dentate bellying of the corresponding slot-like depressed part of little fluted disc, can form the bull gear, and bull gear excircle is broken work portion, and inside dentate bellying is then connecting portion, through dentate bellying and little ring gear zonulae occludens together, plays the effect of connecting and transmission moment of torsion simultaneously. Compared with a fluted disc structure adopting multiple discs, the structure that the large gear ring is sleeved with the small gear ring reduces the weight of the fluted disc and improves the interchangeability and the universality of parts under the condition of ensuring the performance of equipment; when the outermost gear ring is damaged, the outermost gear ring can be replaced, because the step-shaped fluted disc structure is adopted, and the concentrically-arranged gear ring and fluted disc structures are adopted, the size overlapping quantity of the fluted discs and the gear rings can be randomly combined according to the actual situation.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. A multi-segment stepped crushing roll, comprising: the crushing device comprises a first crushing roller shaft (1) and a second crushing roller shaft (2) which are arranged at intervals, wherein the first crushing roller shaft (1) and the second crushing roller shaft (2) move oppositely; the first crushing roller shafts (1) are connected with a plurality of first crushing discs (11) which are mutually overlapped, the diameter of the first crushing disc (11) positioned in the middle of the first crushing roller shafts (1) is the largest, and the rest first crushing discs (11) are arranged in a decreasing mode in sequence on two sides of the first crushing disc (11) positioned in the middle of the first crushing roller shafts (1) by taking the first crushing disc (11) positioned in the middle of the first crushing roller shafts (1) as the center; each first crushing disc (11) is provided with first crushing grooves (12) in an annular array mode;
the second crushing roller shafts (2) are connected with a plurality of second crushing discs (21) which are mutually overlapped, the diameter of the second crushing disc (21) positioned in the middle of the second crushing roller shafts (2) is the smallest, and the rest of the second crushing discs (21) are arranged in an increasing mode in sequence towards two sides of the second crushing disc (21) positioned in the middle of the second crushing roller shafts (2) by taking the second crushing disc (21) positioned in the middle of the second crushing roller shafts (2) as the center; each second crushing disc (21) is provided with second crushing grooves (22) in an annular array mode;
When the first crushing roller shaft (1) and the second crushing roller shaft (2) are assembled in place, a plurality of first crushing discs (11) and a plurality of second crushing discs (21) form a plurality of crushing chambers.
2. A multi-plate stepped crushing roll according to claim 1, wherein: the height difference between two adjacent first crushing discs (11) is 10 mm; the first crushing discs (11) are integrally in a shuttle-shaped structure, the two ends of each first crushing disc are thin, the middle part of each first crushing disc is thick, and an included angle formed by the first crushing discs is 30-60 degrees.
3. A multi-plate stepped crushing roll according to claim 1, wherein: the height difference between two adjacent second crushing discs (21) is 10 mm; the second crushing discs (21) are of symmetrical umbrella-shaped structures integrally, the middle parts of the second crushing discs are thin, the two ends of the second crushing discs are thick, and included angles formed by the second crushing discs are 30-60 degrees.
4. A multi-plate stepped crushing roll according to claim 1, wherein: be equipped with respectively on first broken roller (1) and the broken roller of second (2) and be used for with first broken dish (11) and the broken dish of second (21) matched with spline connection portion (3), be equipped with respectively on first broken dish (11) and the broken dish of second (21) with spline connection groove with spline connection portion (3) matched with.
5. A multi-plate stepped crushing roll according to claim 1, wherein: a plurality of hinged holes (4) distributed according to an annular array are formed in each first crushing disc (11) and each second crushing disc (21) respectively, fixing pins (5) are connected to the hinged holes (4), the fixing pins (5) tightly fix and attach the first crushing discs (11) together, and the fixing pins (5) tightly fix and attach the second crushing discs (21) together.
6. A multi-plate stepped crushing roll according to claim 1, wherein: the shape of the first crushing groove (12) and the second crushing groove (22) is concave or U-shaped.
7. A multi-plate stepped crushing roll according to claim 1, wherein: the first crushing disc (11) and/or the second crushing disc (21) are/is composed of a small gear ring (6) and a large gear ring (7), and the small gear ring (6) is connected with the large gear ring (7) through a tooth groove.
8. A pair of roller crushers characterized by comprising a plurality of stepped crushing rollers of any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010440441.9A CN111841752A (en) | 2020-05-22 | 2020-05-22 | Multi-disc stepped crushing roller and double-roller crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010440441.9A CN111841752A (en) | 2020-05-22 | 2020-05-22 | Multi-disc stepped crushing roller and double-roller crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111841752A true CN111841752A (en) | 2020-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010440441.9A Pending CN111841752A (en) | 2020-05-22 | 2020-05-22 | Multi-disc stepped crushing roller and double-roller crusher |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1945017A1 (en) * | 2005-11-04 | 2008-07-23 | Lacotec Engineering GmbH | Arrangement for comminuting harvested crops |
| CN201157783Y (en) * | 2008-03-11 | 2008-12-03 | 戴光荣 | Gear roller of coke cutter |
| CN105583024A (en) * | 2016-01-21 | 2016-05-18 | 米易锦秀机械制造有限公司 | Coke cutter |
| CN106902923A (en) * | 2015-12-23 | 2017-06-30 | 刘俊 | A kind of mine crushes roll shaft |
| CN208146091U (en) * | 2018-03-19 | 2018-11-27 | 贵州裕顺源矿业有限公司 | A kind of coal ore crusher |
| CN109529999A (en) * | 2019-01-10 | 2019-03-29 | 福建铁拓机械有限公司 | A kind of permutation and combination method of breaker roll and its crushing teeth |
| CN208852935U (en) * | 2018-07-13 | 2019-05-14 | 农业部南京农业机械化研究所 | Steel plate fluted disc combines double-roll crusher |
| CN110252456A (en) * | 2019-05-05 | 2019-09-20 | 江苏大学 | Collect the fine crusher of large reduction ratio of multiple functions tooth form |
| CN210385995U (en) * | 2019-07-13 | 2020-04-24 | 郑州金利窑炉工程有限公司 | Double-roller crusher for producing slag iron isolating agent |
-
2020
- 2020-05-22 CN CN202010440441.9A patent/CN111841752A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1945017A1 (en) * | 2005-11-04 | 2008-07-23 | Lacotec Engineering GmbH | Arrangement for comminuting harvested crops |
| CN201157783Y (en) * | 2008-03-11 | 2008-12-03 | 戴光荣 | Gear roller of coke cutter |
| CN106902923A (en) * | 2015-12-23 | 2017-06-30 | 刘俊 | A kind of mine crushes roll shaft |
| CN105583024A (en) * | 2016-01-21 | 2016-05-18 | 米易锦秀机械制造有限公司 | Coke cutter |
| CN208146091U (en) * | 2018-03-19 | 2018-11-27 | 贵州裕顺源矿业有限公司 | A kind of coal ore crusher |
| CN208852935U (en) * | 2018-07-13 | 2019-05-14 | 农业部南京农业机械化研究所 | Steel plate fluted disc combines double-roll crusher |
| CN109529999A (en) * | 2019-01-10 | 2019-03-29 | 福建铁拓机械有限公司 | A kind of permutation and combination method of breaker roll and its crushing teeth |
| CN110252456A (en) * | 2019-05-05 | 2019-09-20 | 江苏大学 | Collect the fine crusher of large reduction ratio of multiple functions tooth form |
| CN210385995U (en) * | 2019-07-13 | 2020-04-24 | 郑州金利窑炉工程有限公司 | Double-roller crusher for producing slag iron isolating agent |
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Application publication date: 20201030 |