CN112619776A - Multi-shaft jumping type rolling screening machine for mining - Google Patents
Multi-shaft jumping type rolling screening machine for mining Download PDFInfo
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- CN112619776A CN112619776A CN202011638617.8A CN202011638617A CN112619776A CN 112619776 A CN112619776 A CN 112619776A CN 202011638617 A CN202011638617 A CN 202011638617A CN 112619776 A CN112619776 A CN 112619776A
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- diamond
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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
- B02C4/02—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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
Abstract
The invention discloses a multi-shaft jumping type rolling screening machine for mining, and relates to the technical field of ore screening equipment. The invention aims to solve the problems of low screening efficiency and high labor intensity caused by the fact that in the prior art, a simple mesh screen is adopted for screening, fragments of screened ore are more, impurities are large, and secondary screening is needed. The invention comprises a frame, a power mechanism, 2 sets of transmission mechanisms and a set of diamond screening units, wherein the diamond screening units are parallelly arranged between two side plates of the frame, the power mechanism arranged on the frame drives the diamond screening units to rotate together through the 2 sets of transmission mechanisms, each diamond screening unit consists of a shaft and a set of diamond wheels fixedly arranged on the shaft, two sets of diamond wheels arranged on adjacent shafts are arranged in a staggered way, and the power mechanism controls the shafts of the adjacent 2 sets to rotate reversely through the 2 sets of transmission mechanisms. The invention is used for screening ores.
Description
Technical Field
The invention relates to the technical field of ore screening equipment, in particular to a multi-shaft jumping type rolling screening machine for mining.
Background
Ore refers to a collection of minerals from which useful components can be extracted or which themselves have some property that can be exploited. Can be divided into metal mineral and nonmetal mineral. The unit content of useful components (elements or minerals) in the ore is called ore grade, precious metal ores such as gold and platinum are expressed by gram/ton, other ores are expressed by percentage, and the value of the ore is measured by the grade of the common ore, but the value of the ore is also influenced by the components and harmful impurities of gangue (useless minerals or minerals with little useful components in the ore and unavailable use) in the effective component ore.
The mining industry machinery mainly comprises mining machinery and mineral processing machinery, the mineral processing machinery comprises machinery for screening and cleaning ores and the like, the method for screening the ores is mainly determined according to factors such as physical and mechanical properties of the ores, the size of a feed material of an ore block, a required crushing ratio and the like, the coal ores need to be screened when being mined, then, small-particle coal ores after screening and refining are manufactured into products such as coal balls and the like, and large-size coal ores are directly used, so that screening equipment can be used. When present conventional ore mesh screen sieve separator screens, the ore fragment of sieving out is many, and impurity is big, needs to screen once more, leads to the problem that screening efficiency is low, intensity of labour is big.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, the screened ore fragments are more and have large impurities, and the screening efficiency is low and the labor intensity is high due to the fact that the ore fragments need to be screened again by adopting a simple mesh screen, and further provides a multi-shaft jumping type rolling screening machine for mining.
The technical scheme adopted by the invention for solving the problems is as follows: the utility model provides a multiaxis leap formula roll screening machine for mining, includes frame, power unit, 2 sets of drive mechanism and a set of diamond screening unit, a set of diamond screening unit parallel is installed side by side between the both sides board of frame, and the power unit of installing in the frame drives each diamond screening unit through 2 sets of drive mechanism and rotates together, and every diamond screening unit comprises axle and an epaxial a set of diamond wheel of fixed mounting, and is adjacent two sets of diamond wheels of epaxial installation stagger each other and arrange, and power unit controls adjacent 2 groups through 2 sets of drive mechanism axle antiport.
Furthermore, the cross section of the diamond wheel is formed by three sections of same circular arcs in smooth transition, the radius of each section of circular arc is R, the corresponding central angle of each section of circular arc is alpha, alpha is 100-110 degrees, the centers of the three sections of circular arcs are on the same virtual circle, the maximum external dimension H of the diamond wheel is 1.5R-2.5R, H is the distance from one vertex of the diamond wheel to the midpoint of the opposite circular arc, and the diamond wheel is subjected to quenching treatment.
The radius of the virtual circle is 0.15R-0.3R.
Further, the frame is constituteed and is included two curb plates, base and platform, and two curb plates are installed on base upper portion, and the platform is installed in one side of base, the platform is used for installing power unit, every the both ends of axle are installed in the bearing frame on the curb plate.
Furthermore, each set of transmission mechanism comprises 2N gears and N-1 chains, the number of the shafts is limited to 2N, N is a natural number larger than or equal to 1, 2 gears are installed at one end of each shaft, the gears on the adjacent 2 shafts are installed on different sides, and the gears on the 2 shafts which are separated by one shaft are connected through the chains.
Furthermore, the rhombus screening units are respectively a first rhombus screening unit, a second rhombus screening unit, a third rhombus screening unit, a fourth rhombus screening unit, a fifth rhombus screening unit, a sixth rhombus screening unit, a seventh rhombus screening unit, an eighth rhombus screening unit, a ninth rhombus screening unit, a tenth rhombus screening unit, an eleventh rhombus screening unit and a twelfth rhombus screening unit, the shafts of the fifth rhombus screening unit and the eighth rhombus screening unit are power shafts, and the power shafts are connected with the power mechanism;
further, an outer gear on the shaft of the first diamond-shaped screening unit is connected with an outer gear on the shaft of the third diamond-shaped screening unit through a chain, an inner gear on the shaft of the third diamond-shaped screening unit is connected with an inner gear on the shaft of the fifth diamond-shaped screening unit through a chain, an outer gear on the shaft of the fifth diamond-shaped screening unit is connected with an outer gear on the shaft of the seventh diamond-shaped screening unit through a chain, an inner gear on the shaft of the seventh diamond-shaped screening unit is connected with an inner gear on the shaft of the ninth diamond-shaped screening unit through a chain, and an outer gear on the shaft of the ninth diamond-shaped screening unit is connected with an outer gear on the shaft of the eleventh diamond-shaped screening unit through a chain;
further, the epaxial outside gear of No. two diamond screening units with the epaxial outside gear of No. four diamond screening units passes through the chain and connects, the epaxial inside gear of No. four diamond screening units with the epaxial inside gear of No. six diamond screening units passes through the chain and connects, the epaxial outside gear of No. six diamond screening units with the epaxial outside gear of No. eight diamond screening units passes through the chain and connects, the epaxial inside gear of No. eight diamond screening units with the epaxial inside gear of No. ten diamond screening units passes through the chain and connects, the epaxial outside gear of No. ten diamond screening units with the epaxial outside gear of No. twelve diamond screening units passes through the chain and connects.
Furthermore, the power mechanism comprises a motor, a speed reducer and a coupling, the shafts of the five-diamond screening unit and the eight-diamond screening unit are connected with the speed reducer through the coupling respectively, and the speed reducer is connected with the motor.
Furthermore, the shaft and the diamond-shaped wheel are fixedly connected through a pin.
Furthermore, the shaft is connected with the bearing seat through a bearing.
Further, a conveyor belt is arranged below the base of the rack.
Further, the gap between 2 sets of the diamond wheels mounted adjacent to the shafts and the distance between the adjacent 2 shafts are adjusted according to the size of the ore block charge and the required crushing ratio.
The invention has the following beneficial technical effects:
two groups of diamond wheels arranged on adjacent shafts are arranged in a staggered mode, the motors control the two groups of shafts to rotate reversely through 2 sets of transmission mechanisms, ores are thrown up and jump forward between the diamond wheels to do linear motion to screen and grade the ores, the ores with small particles can fall onto a conveying belt at the lower part of a base through gaps between the diamond wheels, and larger ores can fall onto a next-stage rolling screening machine to continue to screen and grade or fall into a transport vehicle through conveying of the diamond wheels.
The diamond-shaped screening wheels are adopted to have stronger throwing and conveying effects on ores, compared with the traditional screening and ore grading functions of a screen mesh, the size and the grading of the ores are obvious, and the gaps among the diamond-shaped wheels of 2 adjacent groups of diamond-shaped screening units are regularly changed, so that the outlines of the diamond-shaped wheels have a function of crushing the ores, the rotation speed of the diamond-shaped wheels is high, the diamond-shaped wheels and the shaft are fixedly connected through pins, the disassembly is quick, and the diamond-shaped wheels are convenient to replace.
The gap between 2 groups of diamond wheels arranged on the adjacent shafts and the distance between the adjacent 2 shafts are adjusted according to the size of the ore block feed and the required crushing ratio, so that the screening requirements of different types of ores such as copper ores, iron ores and the like are met, and the diamond wheel crusher is high in practicability and wide in application range.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a front view of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a left side view of the present invention;
FIG. 5 is a rear view of the present invention;
FIG. 6 is a front view of the diamond wheel;
FIG. 7 is a top view of the diamond wheel;
in the figure: 1. a frame; 1-1, side plates; 1-2, a base; 1-3, a platform; 2. a rhombus screening unit; 2-1, a rhombus screening unit; 2-2, a second rhombus screening unit; 2-3, a third rhombus screening unit; 2-4, a fourth diamond screening unit; 2-5, a fifth rhombus screening unit; 2-6, six diamond screening units; 2-7, seven diamond screening units; 2-8, eight diamond screening units; 2-9, a ninth diamond screening unit; 2-10, ten diamond screening units; 2-11, eleven diamond screening units; 2-12, a twelve-diamond screening unit; 3. a shaft; 4. a diamond-shaped wheel; 5. a bearing seat; 6. a gear; 7. a chain; 8. an electric motor; 9. a speed reducer; 10. a coupling.
Detailed Description
The first embodiment is as follows: the embodiment is described with reference to fig. 1 to 7, and the multi-shaft jumping type rolling screening machine for mining in the embodiment includes a frame 1, a power mechanism, 2 sets of transmission mechanisms, and a set of diamond-shaped screening units 2, wherein the diamond-shaped screening units 2 are parallelly and parallelly installed between two side plates of the frame 1, the power mechanism installed on the frame 1 drives the diamond-shaped screening units 2 to rotate together through the 2 sets of transmission mechanisms, each diamond-shaped screening unit 2 is composed of a shaft 3 and a set of diamond-shaped wheels 4 fixedly installed on the shaft 3, two sets of diamond-shaped wheels 4 installed on adjacent shafts 3 are staggered with each other, and the power mechanism controls the shafts 3 of adjacent 2 sets to rotate reversely through the 2 sets of transmission mechanisms.
The second embodiment is as follows: the present embodiment is described with reference to fig. 1 to 7, a cross section of the diamond wheel 4 of the present embodiment is formed by smooth transition of three identical circular arcs, a radius of each circular arc is R, a central angle corresponding to each circular arc is α, α is 100-110 degrees, centers of the three circular arcs are on the same virtual circle, a maximum external dimension H of the diamond wheel 4 is 1.5R-2.5R, H is a distance from a vertex of the diamond wheel 4 to a midpoint of an opposite circular arc, and the diamond wheel 4 is a quenched diamond wheel. Other components and connections are the same as those in the first embodiment.
The third concrete implementation mode: the embodiment is described with reference to fig. 1 to 7, the frame 1 of the embodiment includes two side plates 1-1, a base 1-2 and a platform 1-3, the two side plates 1-1 are mounted on the upper portion of the base 1-2, the platform 1-3 is mounted on one side of the base 1-2, the platform 1-3 is used for mounting a power mechanism, and two ends of each shaft 3 are mounted in bearing seats 5 on the side plates 1-1. Other components and connection relationships are the same as those in the first or second embodiment.
The fourth concrete implementation mode: the embodiment is described with reference to fig. 1 to 7, each set of the transmission mechanism of the embodiment includes 2N gears 6 and N-1 chains 7, the number of the shafts 3 is limited to 2N, N is a natural number greater than or equal to 1, 2 gears 6 are mounted at one end of each shaft 3, the gears 6 on adjacent 2 shafts 3 are mounted on different sides, and the gears on 2 shafts 3 of adjacent shafts are connected through the chains 7. Other components and connection relationships are the same as those in the first, second or third embodiment.
The fifth concrete implementation mode: the embodiment is described by combining fig. 1 to 7, the rhombus-shaped screening units 2 of the embodiment are respectively a first rhombus-shaped screening unit 2-1, a second rhombus-shaped screening unit 2-2, a third rhombus-shaped screening unit 2-3, a fourth rhombus-shaped screening unit 2-4, a fifth rhombus-shaped screening unit 2-5, a sixth rhombus-shaped screening unit 2-6, a seventh rhombus-shaped screening unit 2-7, an eighth rhombus-shaped screening unit 2-8, a ninth rhombus-shaped screening unit 2-9, a tenth rhombus-shaped screening unit 2-10, an eleventh rhombus-shaped screening unit 2-11 and a twelfth rhombus-shaped screening unit 2-12, the shaft 3 of the No. five diamond screening units 2-5 and the shaft 3 of the No. eight diamond screening units 2-8 are power shafts, and the power shafts are connected with the power mechanism;
the outer gear 6 on the shaft 3 of the first diamond-shaped screening unit 2-1 is connected with the outer gear 6 on the shaft 3 of the third diamond-shaped screening unit 2-3 through a chain 7, the inner gear 6 on the shaft 3 of the third diamond-shaped screening unit 2-3 is connected with the inner gear 6 on the shaft 3 of the fifth diamond-shaped screening unit 2-5 through a chain 7, the outer gear 6 on the shaft 3 of the fifth diamond-shaped screening unit 2-5 is connected with the outer gear 6 on the shaft 3 of the seventh diamond-shaped screening unit 2-7 through a chain 7, the inner gear 6 on the shaft 3 of the seventh diamond-shaped screening unit 2-7 is connected with the inner gear 6 on the shaft 3 of the ninth diamond-shaped screening unit 2-9 through a chain 7, the outer gear 6 on the shaft 3 of the ninth diamond-shaped screening unit 2-9 is connected with the outer gear 6 on the shaft 3 of the eleventh diamond-shaped screening unit 2-11 through a chain 7 Connected through a chain 7;
the outer gear 6 on the shaft 3 of the second diamond-shaped screening unit 2-2 is connected with the outer gear 6 on the shaft 3 of the fourth diamond-shaped screening unit 2-4 through a chain 7, the inner gear 6 on the shaft 3 of the fourth diamond-shaped screening unit 2-4 is connected with the inner gear 6 on the shaft 3 of the sixth diamond-shaped screening unit 2-6 through a chain 7, the outer gear 6 on the shaft 3 of the sixth diamond-shaped screening unit 2-6 is connected with the outer gear 6 on the shaft 3 of the eighth diamond-shaped screening unit 2-8 through a chain 7, the inner gear 6 on the shaft 3 of the eighth diamond-shaped screening unit 2-8 is connected with the inner gear 6 on the shaft 3 of the tenth diamond-shaped screening unit 2-10 through a chain 7, the outer gear 6 on the shaft 3 of the tenth diamond-shaped screening unit 2-10 is connected with the outer gear 6 on the shaft 3 of the twelfth diamond-shaped screening unit 2-12 through a chain 7 Connected by a chain 7. Other components and connections are the same as those of the first, second, third or fourth embodiments.
The sixth specific implementation mode: the present embodiment is described with reference to fig. 1 to 7, the power mechanism of the present embodiment includes a motor 8, a speed reducer 9, and a coupling 10, the shafts 3 of the five diamond-shaped screening units 2 to 5 and the eight diamond-shaped screening units 2 to 8 are connected to the speed reducer 9 through the coupling 10, respectively, and the speed reducer 9 is connected to the motor 8. Other components and connection relationships are the same as those in the first, second, third, fourth or fifth embodiment.
The seventh embodiment: in the present embodiment, the shaft 3 and the diamond wheel 4 are fixedly connected to each other by a pin, as described with reference to fig. 1 to 7. Other components and connection relationships are the same as those in the first, second, third, fourth, fifth or sixth embodiment.
The specific implementation mode is eight: in the present embodiment, the shaft 3 and the bearing housing 5 are connected by a bearing, which is described with reference to fig. 1 to 7. Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth or seventh embodiment.
The specific implementation method nine: the present embodiment is described with reference to fig. 1 to 7, and a conveyor belt is disposed below a base 1-2 of a rack 1 according to the present embodiment. Other components and connection relationships are the same as those of the first, second, third, fourth, fifth, sixth, seventh or eighth embodiment.
The detailed implementation mode is ten: referring to fig. 1 to 7, the present embodiment will be described, and the gap between 2 sets of diamond wheels 4 mounted adjacent to the shaft 3 and the distance between 2 adjacent shafts 3 according to the present embodiment are adjusted according to the size of the ore block charge and the required crushing ratio. Other components and connection relations are the same as those of the first, second, third, fourth, fifth, sixth, seventh, eighth or ninth embodiment.
Principle of operation
The invention comprises a frame, a transmission mechanism, a power mechanism and a group of diamond-shaped screening units, wherein the diamond-shaped screening units comprise shafts and diamond-shaped wheels, the shafts are provided with a group of diamond-shaped wheels, two groups of diamond-shaped wheels arranged on the adjacent shafts are arranged in a staggered way, and a motor of the power mechanism controls the reverse rotation of the adjacent 2 groups of shafts through 2 sets of transmission mechanisms. The start-up sieve separator ore falls the sieve separator the inside, the clearance between the rhombus wheel of 2 adjacent group rhombus screening units becomes the law and changes, make the rhombus wheel to the ore have crushing function, the ore is thrown the jump forward and is made linear motion between the rhombus wheel, thereby reach and carry out screening and hierarchical purpose to the ore, the less ore of granule can fall on the conveyer belt of base lower part through the clearance between the rhombus wheel, the ore of great piece can fall to next stage of rolling sieve separator through the transport of rhombus wheel and continue screening and classify or fall in the transport vechicle.
Claims (10)
1. The utility model provides a mining is with multiaxis leap formula roll screening machine, includes frame (1), power unit, 2 sets of drive mechanism and a set of diamond screening unit (2), its characterized in that: the diamond-shaped screening units (2) are parallelly and parallelly arranged between two side plates of the rack (1), a power mechanism arranged on the rack (1) drives the diamond-shaped screening units (2) to rotate together through 2 sets of transmission mechanisms, each diamond-shaped screening unit (2) is composed of a shaft (3) and a set of diamond-shaped wheels (4) fixedly arranged on the shaft (3), two sets of diamond-shaped wheels (4) arranged on the adjacent shafts (3) are arranged in a staggered mode, and the power mechanism controls the adjacent 2 sets of diamond-shaped wheels to rotate reversely through the transmission mechanisms (2).
2. A mining multi-axis jump roll screening machine as defined in claim 1, wherein: the cross section of the diamond wheel (4) is formed by three sections of same circular arcs in smooth transition, the radius of each section of circular arc is R, the corresponding central angle of each section of circular arc is alpha, alpha is 100-plus 110 degrees, the centers of the three sections of circular arcs are on the same virtual circle, the maximum external dimension H of the diamond wheel (4) is 1.5R-2.5R, H is the distance from one vertex of the diamond wheel (4) to the middle point of the opposite circular arc, and the diamond wheel (4) is subjected to quenching treatment.
3. A mining multi-axis jump roll screening machine as defined in claim 1, wherein: the power mechanism is characterized in that the rack (1) comprises two side plates (1-1), a base (1-2) and a platform (1-3), the two side plates (1-1) are installed on the upper portion of the base (1-2), the platform (1-3) is installed on one side of the base (1-2), the platform (1-3) is used for installing a power mechanism, and two ends of each shaft (3) are installed in bearing seats (5) on the side plates (1-1).
4. A mining multi-axis jump roll screening machine as defined in claim 1, wherein: each set of transmission mechanism comprises 2N gears (6) and N-1 chains (7), the number of the shafts (3) is limited to 2N, N is a natural number larger than or equal to 1, the gears (6) are arranged at one end of each shaft (3), the gears (6) on the adjacent 2 shafts (3) are arranged on different sides, and the gears on the 2 shafts (3) which are separated by one shaft are connected through the chains (7).
5. A mining multi-axis jump roll screening machine according to claim 1 or 4, characterized in that: the rhombus screening units (2) are respectively a first rhombus screening unit (2-1), a second rhombus screening unit (2-2), a third rhombus screening unit (2-3), a fourth rhombus screening unit (2-4), a fifth rhombus screening unit (2-5), a sixth rhombus screening unit (2-6), a seventh rhombus screening unit (2-7), an eighth rhombus screening unit (2-8), a ninth rhombus screening unit (2-9), a tenth rhombus screening unit (2-10), an eleventh rhombus screening unit (2-11) and a twelfth rhombus screening unit (2-12), the shafts (3) of the fifth diamond screening unit (2-5) and the eighth diamond screening unit (2-8) are power shafts, and the power shafts are connected with the power mechanism;
the outer side gear (6) on the shaft (3) of the first diamond-shaped screening unit (2-1) is connected with the outer side gear (6) on the shaft (3) of the third diamond-shaped screening unit (2-3) through a chain (7), the inner side gear (6) on the shaft (3) of the third diamond-shaped screening unit (2-3) is connected with the inner side gear (6) on the shaft (3) of the fifth diamond-shaped screening unit (2-5) through a chain (7), the outer side gear (6) on the shaft (3) of the fifth diamond-shaped screening unit (2-5) is connected with the outer side gear (6) on the shaft (3) of the seventh diamond-shaped screening unit (2-7) through a chain (7), the inner side gear (6) on the shaft (3) of the seventh diamond-shaped screening unit (2-7) is connected with the inner side gear (6) on the shaft (3) of the ninth diamond-shaped screening unit (2-9) through a chain (7) The outer side gear (6) on the shaft (3) of the nine-diamond screening unit (2-9) is connected with the outer side gear (6) on the shaft (3) of the eleven-diamond screening unit (2-11) through a chain (7);
the outer side gear (6) on the shaft (3) of the second diamond-shaped screening unit (2-2) is connected with the outer side gear (6) on the shaft (3) of the fourth diamond-shaped screening unit (2-4) through a chain (7), the inner side gear (6) on the shaft (3) of the fourth diamond-shaped screening unit (2-4) is connected with the inner side gear (6) on the shaft (3) of the sixth diamond-shaped screening unit (2-6) through a chain (7), the outer side gear (6) on the shaft (3) of the sixth diamond-shaped screening unit (2-6) is connected with the outer side gear (6) on the shaft (3) of the eighth diamond-shaped screening unit (2-8) through a chain (7), the inner side gear (6) on the shaft (3) of the eighth diamond-shaped screening unit (2-8) is connected with the inner side gear (6) on the shaft (3) of the tenth diamond-shaped screening unit (2-10) through a chain (7) ) And the outer side gear (6) on the shaft (3) of the ten-diamond screening unit (2-10) and the outer side gear (6) on the shaft (3) of the twelve-diamond screening unit (2-12) are connected through a chain (7).
6. A mining multi-axis jump roll screening machine according to claim 1 or 5, characterized in that: the power mechanism comprises a motor (8), a speed reducer (9) and a coupling (10), shafts (3) of the five-diamond screening unit (2-5) and the eight-diamond screening unit (2-8) are respectively connected with the speed reducer (9) through a coupling (10), and the speed reducer (9) is connected with the motor (8).
7. A mining multi-axis jump roll screening machine as defined in claim 1, wherein: the shaft (3) and the diamond-shaped wheel (4) are fixedly connected through a pin.
8. A mining multi-axis jump roll screening machine according to claim 1 or 3, characterized in that: the shaft (3) is connected with the bearing seat (5) through a bearing.
9. A mining multi-axis jump roll screening machine as defined in claim 3, wherein: a conveyor belt is arranged below the base (1-2) of the rack (1).
10. A mining multi-axis jump roll screening machine as defined in claim 1, wherein: the gap between 2 groups of the diamond wheels (4) installed adjacent to the shafts (3) and the distance between the adjacent 2 shafts (3) are adjusted according to the size of the ore block feed and the required crushing ratio.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011638617.8A CN112619776A (en) | 2020-12-31 | 2020-12-31 | Multi-shaft jumping type rolling screening machine for mining |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011638617.8A CN112619776A (en) | 2020-12-31 | 2020-12-31 | Multi-shaft jumping type rolling screening machine for mining |
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