CN114950669A - Two-stage multi-roller crusher - Google Patents
Two-stage multi-roller crusher Download PDFInfo
- Publication number
- CN114950669A CN114950669A CN202210783473.8A CN202210783473A CN114950669A CN 114950669 A CN114950669 A CN 114950669A CN 202210783473 A CN202210783473 A CN 202210783473A CN 114950669 A CN114950669 A CN 114950669A
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- Prior art keywords
- stage
- crushing
- box
- crushing shaft
- shaft
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Classifications
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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
- B02C18/14—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers
- B02C2018/147—Disintegrating by knives or other cutting or tearing members which chop material into fragments with rotating knives within horizontal containers of the plural stage type
Abstract
The invention discloses a two-stage multi-roller crusher, belonging to the technical field of material crushing devices; it comprises a box body 1 which is in a vertical through state; a pair of primary crushing shafts 2 and a pair of secondary crushing shafts 3 are respectively arranged on the box body 1; the mounting height of the first-stage crushing shaft 2 is greater than that of the second-stage crushing shaft 3; the axial lines of the first-stage crushing shaft 2 and the second-stage crushing shaft 3 are different, and the projections on the horizontal plane are vertical; the two primary crushing input shafts 2 are in an inward rotating relation in a rotating direction, and the two secondary crushing input shafts 3 are in an outward rotating relation in a rotating direction; a plurality of crushing teeth 4 are respectively arranged on the primary crushing shaft 2 and the secondary crushing shaft 3; the invention effectively solves the problems that the conventional crushing equipment used at present is easy to block and accumulate at the feeding rotating shaft when crushing the coal slime, and the uniformity of the processed coal slime can not be ensured.
Description
Technical Field
The invention relates to the technical field of material crushing devices, in particular to a two-stage multi-roller crusher.
Background
The crusher is crushing equipment widely used in heavy industry, and in the coal mine industry, the coal slime filter cake needs to be crushed to a granularity which can meet the requirement by the aid of the crusher; the common breaker structure kind to the soft material of coal slime class is more, but most breaker still has the coal slime to block up long-pending in feeding pivot position easily, and the coal slime degree of consistency after the breakage is relatively poor simultaneously, the unable up to standard problem of broken precision.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a doublestage multiple roll crusher to solve the conventional crushing equipment who uses at present and when carrying out the breakage to the coal slime, there is the easy stifled long-pending of emergence of feeding pivot department, the unable problem of guaranteeing the degree of consistency of the coal slime of simultaneous processing.
In order to solve the problems, the invention provides the following technical scheme:
a two-stage multi-roll crusher; it comprises a box body which is in a vertical through state; a pair of primary crushing shafts and a pair of secondary crushing shafts are respectively arranged on the box body; the mounting height of the first-stage crushing shaft is greater than that of the second-stage crushing shaft; the axes of the first-stage crushing shaft and the second-stage crushing shaft are different, and the projections on the horizontal plane are vertical; the rotation directions of the two primary crushing input shafts are relatively in an inward rotation relation, and the rotation directions of the two secondary crushing input shafts are relatively in an outward rotation relation; a plurality of crushing teeth are arranged on the primary crushing shaft and the secondary crushing shaft.
Preferably, the box body comprises a material guiding box, a primary separating box, a secondary separating box and a connecting bottom box which are sequentially arranged from top to bottom; two adjacent box bodies are connected through a bolt assembly; and the first-stage crushing shaft is clamped between the first-stage separation box and the second-stage separation box, and the second-stage crushing shaft is clamped between the second-stage separation box and the connecting bottom box and is installed through a bearing seat.
Furthermore, the height of the connecting bottom box is not less than the size of the maximum contour circle radius on the crushing teeth; the upper top of the material guiding box is also provided with a hook for hoisting.
Furthermore, the upper side of the material guiding box is of an inverted trapezoidal table structure with a large upper end and a small lower end, and the lower side of the material guiding box is of a flat structure with a hole in the middle; reinforcing ribs are arranged between the outer end face of the trapezoidal table on the upper side of the material guide box and the lower flat plate; four pairs of fastening chucks for reinforcing the connecting part of the box body are further arranged on the periphery of the lower side flat plate of the material guide box.
Furthermore, opposite semicircular positioning grooves are arranged between the primary separation box and the secondary separation box and between the secondary separation box and the connecting bottom box; the bearing seat is installed through the positioning groove; and reinforcing plates are arranged between the bearing seats and the box bodies corresponding to the upper side and the lower side.
Preferably, the horizontal section of the box body is of a rectangular structure, and the primary crushing shaft and the secondary crushing shaft are arranged on two adjacent side end faces of the box body; and bearing seal covers and bearing transparent covers are correspondingly arranged at the positions where the first-stage crushing shaft and the second-stage crushing shaft are correspondingly installed with the box body.
Preferably, the crushing teeth are uniformly arranged in the middle positions of the primary crushing shaft and the secondary crushing shaft; the crushing teeth are in symmetrical right cross disc-shaped structures, and the distance between two coaxial adjacent crushing teeth is not less than 40 mm.
Preferably, the height difference between the axes of the primary crushing shaft and the secondary crushing shaft is not less than 180 mm; the maximum profile circle radius of the crushing teeth does not exceed 165 mm.
Preferably, the horizontal wheelbase between the two primary crushing shafts and the two secondary crushing shafts is not more than 150mm, and the blades of the corresponding crushing teeth on the two shafts are arranged in a staggered mode.
The invention has the beneficial effects that:
the invention designs a crusher device which is arranged in a # -shape aiming at two stages and four rollers, wherein a pair of first-stage crushing shafts and second-stage crushing shafts are respectively arranged on two parallel horizontal planes at the upper side and the lower side of an inner cavity of a crusher box body, the two pairs of crushing shafts are kept vertical to each other, and the first-stage crushing shafts at the upper side are relatively rotated inwards to prevent coal slime from being blocked after entering from a feed inlet of a material guide box, and the second-stage crushing shafts at the lower side are relatively rotated outwards, so that the problem of insufficient crushing uniformity is solved; the crusher provided by the invention can uniformly and alternately beat and shear coal slime, can effectively crush the coal slime to the granularity of 40mm, and meets most production and processing technologies.
Drawings
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic front view of the apparatus of FIG. 1;
FIG. 3 is a top view of the apparatus of FIG. 2 with the lead box removed;
description of reference numerals: 1. the device comprises a box body, a material guide box 1A, a first-stage separation box 1B, a second-stage separation box 1C, a second-stage separation box 1D, a connecting bottom box 1F, a bearing seat 2, a first-stage crushing shaft 3, a second-stage crushing shaft 4 and crushing teeth.
Detailed Description
The invention is further described with reference to the following figures and specific examples:
example (b):
referring to fig. 1, the present embodiment provides a two-stage multi-roller crusher; it comprises a box body 1 which is in a vertical through state; a pair of primary crushing shafts 2 and a pair of secondary crushing shafts 3 are respectively arranged on the box body 1; the mounting height of the first-stage crushing shaft 2 is greater than that of the second-stage crushing shaft 3; the axes of the first-stage crushing shaft 2 and the second-stage crushing shaft 3 are different, and the projections on the horizontal plane are vertical; the two primary crushing input shafts 2 are in an inward rotating relation in a rotating direction, and the two secondary crushing input shafts 3 are in an outward rotating relation in a rotating direction; a plurality of crushing teeth 4 are arranged on the first-stage crushing shaft 2 and the second-stage crushing shaft 3.
The box body 1 comprises a material guide box 1A, a primary separation box 1B, a secondary separation box 1C and a connecting bottom box 1D which are sequentially arranged from top to bottom; two adjacent box bodies are connected through a bolt assembly; and the first-stage crushing shaft 2 is clamped between the first-stage separation box 1B and the second-stage separation box 1C, and the second-stage crushing shaft 3 is clamped between the second-stage separation box 1C and the connecting bottom box 1D and is installed through a bearing seat 1F.
The height of the connecting bottom box 1D is not less than the size of the maximum contour circle radius on the crushing teeth 4; a hook for hoisting is also arranged at the upper top of the material guiding box 1A.
The upper side of the material guiding box 1A is of an inverted trapezoidal table structure with a large upper end and a small lower end, and the lower side of the material guiding box is of a flat structure with a hole in the middle; a reinforcing rib is arranged between the outer end surface of the upper trapezoidal table of the material guide box 1A and the lower flat plate; four pairs of fastening chucks for reinforcing the connection part of the box body 1 are further arranged on the periphery of the lower side flat plate of the material guiding box 1.
Opposite semicircular positioning grooves are formed between the first-stage partition box 1B and the second-stage partition box 1C, and between the second-stage partition box 1C and the connecting bottom box 1D; the bearing seat 1F is installed through the positioning groove; reinforcing plates are arranged between the bearing seat 1F and the corresponding upper and lower side boxes 1.
The horizontal section of the box body 1 is of a rectangular structure, and the primary crushing shaft 2 and the secondary crushing shaft are arranged on two adjacent side end faces of the box body 1; and bearing sealing covers and bearing transparent covers are correspondingly arranged at the positions where the first-stage crushing shaft 2 and the second-stage crushing shaft are correspondingly installed with the box body 1.
The crushing teeth 4 are uniformly arranged in the middle positions of the primary crushing shaft 2 and the secondary crushing shaft 3; the crushing teeth 4 are in symmetrical right cross disc-shaped structures, and the distance between two coaxial adjacent crushing teeth 4 is not less than 40 mm.
The height difference between the axes of the first-stage crushing shaft 2 and the second-stage crushing shaft 3 is not less than 180 mm; the maximum profile circle radius of the crushing teeth 4 does not exceed 165 mm.
The horizontal wheelbase between the two first-stage crushing shafts 2 and the second-stage crushing shaft 3 is not more than 150mm, and the blades of the crushing teeth 4 corresponding to the two shafts are arranged in a staggered mode.
In this embodiment, the inner cavity of the horizontal section of the box body 1 is a 300 mm-300 mm square structure, and the number of the crushing teeth on the primary crushing shaft 2 and the secondary crushing shaft 3 is 72. The rotating speed of the first-stage crushing shaft is 246 r/min; (reduction ratio 1: 6); the rotating speed of the secondary crushing shaft is 370 r/min; (reduction ratio 1: 4); the crushing capacity is 300t \ h.
When the device is used, the motor is in transmission connection with the primary crushing shaft 2 and the secondary crushing shaft 3 on the corresponding box bodies through the reduction box and the coupler, specific rotation parameters are set, the coal slime is guided in along the material guide box on the upper portion of the crusher after the motor is started, and the coal slime is separated from the lower portion of the bottom box after being crushed so as to be convenient to collect.
Claims (9)
1. A double-stage multi-roller crusher comprises a box body (1) in a vertical through state; a pair of first-stage crushing shafts (2) and a pair of second-stage crushing shafts (3) are respectively arranged on the box body (1); the method is characterized in that: the mounting height of the first-stage crushing shaft (2) is greater than that of the second-stage crushing shaft (3); the axes of the first-stage crushing shaft (2) and the second-stage crushing shaft (3) are different in plane, and the projections on the horizontal plane are vertical; the rotation directions of the two primary crushing input shafts (2) are relatively in an inward rotation relation, and the rotation directions of the two secondary crushing input shafts (3) are relatively in an outward rotation relation; a plurality of crushing teeth (4) are arranged on the first-stage crushing shaft (2) and the second-stage crushing shaft (3).
2. A two-stage multi-roll crusher according to claim 1, characterized in that: the box body (1) comprises a material guiding box (1A), a primary separation box (1B), a secondary separation box (1C) and a connecting bottom box (1D) which are sequentially arranged from top to bottom; two adjacent box bodies are connected through a bolt assembly; and the primary crushing shaft (2) is clamped between the primary separation box (1B) and the secondary separation box (1C), and the secondary crushing shaft (3) is clamped between the secondary separation box (1C) and the connecting bottom box (1D) and is installed through a bearing seat (1F).
3. A two-stage multi-roll crusher according to claim 2, characterized in that: the height of the connecting bottom box (1D) is not less than the size of the maximum contour circle radius on the crushing teeth (4); the upper top of the material guiding box (1A) is also provided with a hook for hoisting.
4. A two-stage multi-roll crusher according to claim 2, characterized in that: the upper side of the material guiding box (1A) is of an inverted trapezoidal table structure with a large upper end and a small lower end, and the lower side of the material guiding box is of a flat structure with a hole in the middle; a reinforcing rib is arranged between the outer end face of the upper trapezoidal table of the material guide box (1A) and the lower flat plate; four pairs of fastening chucks for reinforcing the connecting part of the box body (1) are further arranged on the periphery of the lower side flat plate of the guide box (1).
5. A two-stage multi-roll crusher according to claim 2, characterized in that: opposite semicircular positioning grooves are arranged between the first-stage separation box (1B) and the second-stage separation box (1C) and between the second-stage separation box (1C) and the connecting bottom box (1D); the bearing seat (1F) is installed through the positioning groove; reinforcing plates are arranged between the bearing seat (1F) and the box body (1) corresponding to the upper side and the lower side.
6. A two-stage multi-roll crusher according to claim 1, characterized in that: the horizontal section of the box body (1) is of a rectangular structure, and the primary crushing shaft (2) and the secondary crushing shaft are arranged on two adjacent side end faces of the box body (1); and a bearing sealing cover and a bearing transparent cover are correspondingly arranged at the positions where the first-stage crushing shaft (2) and the second-stage crushing shaft are correspondingly installed with the box body (1).
7. A two-stage multi-roll crusher according to claim 1, characterized in that: the crushing teeth (4) are uniformly arranged in the middle positions of the primary crushing shaft (2) and the secondary crushing shaft (3); the crushing teeth (4) are in symmetrical right cross disc-shaped structures, and the distance between two coaxial adjacent crushing teeth (4) is not less than 40 mm.
8. A two-stage multi-roll crusher according to claim 1, characterized in that: the height difference between the axes of the first-stage crushing shaft (2) and the second-stage crushing shaft (3) is not less than 180 mm; the maximum contour circle radius of the crushing tooth (4) does not exceed 165 mm.
9. A two-stage multi-roll crusher according to claim 1, characterized in that: the horizontal wheelbase between the two first-stage crushing shafts (2) and the second-stage crushing shaft (3) is not more than 150mm, and blades of the corresponding crushing teeth (4) on the two shafts are arranged in a staggered mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210783473.8A CN114950669A (en) | 2022-06-27 | 2022-06-27 | Two-stage multi-roller crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210783473.8A CN114950669A (en) | 2022-06-27 | 2022-06-27 | Two-stage multi-roller crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114950669A true CN114950669A (en) | 2022-08-30 |
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ID=82966995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210783473.8A Pending CN114950669A (en) | 2022-06-27 | 2022-06-27 | Two-stage multi-roller crusher |
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| Country | Link |
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| CN (1) | CN114950669A (en) |
Citations (14)
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| CN202290155U (en) * | 2011-10-09 | 2012-07-04 | 北京英迈特矿山机械有限公司 | Crusher |
| CN203140062U (en) * | 2013-01-30 | 2013-08-21 | 重庆市易特杰机械制造有限公司 | Hammer type dust-free crushing machine |
| CN203317597U (en) * | 2013-06-04 | 2013-12-04 | 上海工程技术大学 | Double-shaft shear-type shredding machine |
| CN204544356U (en) * | 2015-03-21 | 2015-08-12 | 张新浩 | A kind of novel graded crushing device |
| CN205236104U (en) * | 2015-11-18 | 2016-05-18 | 重庆耐德新明和工业有限公司 | A breaker for broken major possession rubbish |
| CN205392650U (en) * | 2016-02-26 | 2016-07-27 | 淄博昱明通风设备有限公司 | Kitchen garbage rubbing crusher with broken sword of cross |
| CN106979237A (en) * | 2017-05-16 | 2017-07-25 | 盐城支点机械制造有限公司 | A kind of Leakproof shaft bearing |
| CN107303526A (en) * | 2016-04-19 | 2017-10-31 | 江阴申建废旧物资回收有限公司 | Grating disk |
| CN110000354A (en) * | 2019-04-16 | 2019-07-12 | 柳州市创科复合金属陶瓷制品有限公司 | Novel plate blank continuous casting roll bearing block |
| CN209918027U (en) * | 2019-10-08 | 2020-01-10 | 张世友 | Double-layer shredder |
| CN210700543U (en) * | 2019-10-08 | 2020-06-09 | 河南鑫龙昌科技发展有限公司 | Multistage broken output device that grinds of building aggregate |
| CN212732435U (en) * | 2020-05-12 | 2021-03-19 | 南充市润宏纸业包装有限公司 | Waste material reducing mechanism of carton production |
| CN214235679U (en) * | 2020-10-20 | 2021-09-21 | 济南森峰科技有限公司 | Leveling device |
| CN216368293U (en) * | 2021-11-24 | 2022-04-26 | 重庆市中天电子废弃物处理有限公司 | Biax shredder convenient to dismouting |
-
2022
- 2022-06-27 CN CN202210783473.8A patent/CN114950669A/en active Pending
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202290155U (en) * | 2011-10-09 | 2012-07-04 | 北京英迈特矿山机械有限公司 | Crusher |
| CN203140062U (en) * | 2013-01-30 | 2013-08-21 | 重庆市易特杰机械制造有限公司 | Hammer type dust-free crushing machine |
| CN203317597U (en) * | 2013-06-04 | 2013-12-04 | 上海工程技术大学 | Double-shaft shear-type shredding machine |
| CN204544356U (en) * | 2015-03-21 | 2015-08-12 | 张新浩 | A kind of novel graded crushing device |
| CN205236104U (en) * | 2015-11-18 | 2016-05-18 | 重庆耐德新明和工业有限公司 | A breaker for broken major possession rubbish |
| CN205392650U (en) * | 2016-02-26 | 2016-07-27 | 淄博昱明通风设备有限公司 | Kitchen garbage rubbing crusher with broken sword of cross |
| CN107303526A (en) * | 2016-04-19 | 2017-10-31 | 江阴申建废旧物资回收有限公司 | Grating disk |
| CN106979237A (en) * | 2017-05-16 | 2017-07-25 | 盐城支点机械制造有限公司 | A kind of Leakproof shaft bearing |
| CN110000354A (en) * | 2019-04-16 | 2019-07-12 | 柳州市创科复合金属陶瓷制品有限公司 | Novel plate blank continuous casting roll bearing block |
| CN209918027U (en) * | 2019-10-08 | 2020-01-10 | 张世友 | Double-layer shredder |
| CN210700543U (en) * | 2019-10-08 | 2020-06-09 | 河南鑫龙昌科技发展有限公司 | Multistage broken output device that grinds of building aggregate |
| CN212732435U (en) * | 2020-05-12 | 2021-03-19 | 南充市润宏纸业包装有限公司 | Waste material reducing mechanism of carton production |
| CN214235679U (en) * | 2020-10-20 | 2021-09-21 | 济南森峰科技有限公司 | Leveling device |
| CN216368293U (en) * | 2021-11-24 | 2022-04-26 | 重庆市中天电子废弃物处理有限公司 | Biax shredder convenient to dismouting |
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