CN213376842U - Ore crusher - Google Patents
Ore crusher Download PDFInfo
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- CN213376842U CN213376842U CN202021434157.2U CN202021434157U CN213376842U CN 213376842 U CN213376842 U CN 213376842U CN 202021434157 U CN202021434157 U CN 202021434157U CN 213376842 U CN213376842 U CN 213376842U
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Abstract
The utility model discloses an ore crusher, return device including shell, first broken group, first roller sieve, the broken group of second, second roller sieve, building stones. The top of the shell is provided with a blanking funnel for blanking. The first crushing group is arranged right below the feeding funnel. The first roller screen is arranged below the first crushing group, one end of the first roller screen is tightly attached to the inner wall of one side of the shell, a secondary blanking hole is formed between the other end of the first roller screen and the inner wall of the other side of the shell, and the tangential motion direction of the top of the first roller screen points to the secondary blanking hole. The second crushing group comprises two crushing shafts which are in contra-rotating fit, and the second crushing group is arranged below the secondary blanking hole. The second roller screen is arranged below the second crushing group and tightly attached to the inner wall of the shell, and a stone returning opening is formed in the shell on the side, pointed by the tangential movement direction, of the top of the second roller screen. The utility model discloses an ore crusher has the advantage that improves crushing effect and crushing efficiency.
Description
Technical Field
The utility model relates to a breaker field especially relates to an ore crusher.
Background
When cement is produced in the cement production and manufacturing industry, raw materials (various stone materials, such as limestone and the like) need to be firstly crushed and refined, so that the raw materials can be prepared next, when the existing crusher crushes the ore stone materials, the phenomena of low crushing efficiency and poor crushing effect generally exist, the granularity of the stone materials crushed by the crusher is not small enough, subsequent processes are influenced, the difficulty of raw material manufacturing is increased, and the crushing efficiency is low, so that the crushing yield can not meet the requirement of cement production, and the cement yield is reduced.
SUMMERY OF THE UTILITY MODEL
In order to overcome among the prior art defect that crushing efficiency and crushing effect that the breaker appears when carrying out the refining breakage to cement building stones in advance are low, the utility model discloses the problem of need solving lies in providing an ore crusher, has and can carry out efficient, effectual crushing work to cement building stones fast for building stones after the ore crusher is broken can satisfy the production demand, improve cement output.
To achieve the purpose, the utility model adopts the following technical proposal:
the utility model provides a pair of ore crusher, include:
the top of the shell is provided with a discharging hopper for discharging;
the first crushing group comprises two crushing shafts which are in counter-rotating fit, and is arranged right below the feeding funnel;
the first roller screen is arranged below the first crushing group, one end of the first roller screen is tightly attached to the inner wall of one side of the shell, a secondary blanking hole is formed between the other end of the first roller screen and the inner wall of the other side of the shell, and the tangential motion direction of the top of the first roller screen points to the secondary blanking hole;
the second crushing group comprises two crushing shafts which are in counter-rotating fit, and is arranged below the secondary blanking hole;
the second roller screen is arranged below the second crushing group, is tightly attached to the inner wall of the shell and is used for screening stone materials crushed by the second crushing group, a stone material returning opening is formed in the shell on the side pointed by the tangential movement direction of the top of the second roller screen, and the stone material returning opening and the second roller screen are located on the same horizontal plane;
and the stone material re-returning device is arranged outside the stone material re-returning opening and is used for conveying stone materials which do not pass through the second roller screen into the discharging hopper of the shell for re-crushing.
Preferably, the width of the secondary blanking hole is any value between 20cm and 40 cm.
Preferably, the first roller screen and the second roller screen each comprise:
the roller group comprises a plurality of rollers which have the same distance and the same diameter and size and are arranged in parallel on the same plane;
and the power motor is arranged at one end of the roller group and is used for driving the rollers in the roller group to rotate.
Preferably, the stone material reentry device includes the screw feeder that perpendicular ground set up, the screw feeder lower extreme acts on the stone material reentry mouth, the export of screw feeder upper end set up in on the unloading funnel for with broken unqualified stone material follow the stone material reentry mouth carry to in the unloading funnel.
Preferably, the first roller screen and the second roller screen are inclined downwards towards the moving direction of the large stone block to be transported, and the inclination angle is any value between 10 degrees and 15 degrees.
Preferably, the bottom of shell is provided with the funnel that gathers materials, be provided with the discharge gate in the middle of the funnel that gathers materials.
The utility model has the advantages that:
the utility model provides an ore crusher, through setting up first broken group in the unloading funnel below of shell, carry out preliminary breakage to building stones through first broken group, broken axle diameter in the first broken group is great, crushing efficiency is high, then set up first roller sieve below the first broken group, first roller sieve is used for screening the building stones of handling through first broken group, and will not accord with the building stones of granularity size to the concentration of one end, fall into on the second broken group of below through the secondary blanking hole, broken axle diameter in the second broken group is less than the broken axle diameter in the second broken group, and the cooperation is inseparabler between two broken axles of second broken group, carry out further broken refining treatment to unqualified building stones through the second broken group, improve refining effect, then set up second roller sieve below the second broken group, the second roller screen concentrates the stones which do not accord with the granularity standard to one end, and the stones which do not accord with the granularity standard are sent into the stone re-returning device through the stone re-returning port, under the action of the stone re-returning device, the stones which do not accord with the granularity standard return to the discharging hopper of the shell again to be crushed again, and the stones which accord with the granularity standard are concentrated and discharged from the bottom of the shell after passing through the second roller screen. The utility model discloses an ore crusher adopts two broken groups of big or small to carry out the broken in grades to the building stones, improves crushing efficiency, and because the broken clearance of the broken group of second is less than first broken group for the building stones are through the broken group back of second, and the building stones that are not conform to the granularity size reduce by a wide margin, thereby reduce the building stones by a wide margin and carry out the secondary crushing's volume via building stones reentry device, improve crushing efficiency, and because the building stones are via twice screening and breakage, so make its granularity size meet the requirements more. To sum up, consequently the utility model discloses an ore crusher has the advantage that improves crushing effect and crushing efficiency.
Drawings
Fig. 1 is a schematic structural diagram of a mineral breaker disclosed by the present invention;
fig. 2 is a schematic structural diagram of the roller screen disclosed in the present invention.
In the figure:
1. a housing; 2. a first crushing group; 3. a first roller screen; 4. a second crushing group; 5. a second roller screen; 6. a stone returning device; 7. secondary blanking holes; 8. a stone re-entry port; 9. an aggregate funnel; 21. a discharging hopper; 31. a roller set; 32. a power motor; 91. and (4) a discharge port.
Detailed Description
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
As shown in fig. 1 to 2, the mineral breaker provided in the present embodiment comprises a housing 1, a first breaking group 2, a first roller screen 3, a second breaking group 4, a second roller screen 5, and a stone re-returning device 6. The shell 1 is a cavity structure with a closed inner part, and a blanking funnel 21 for blanking is arranged at the top of the shell 1. First broken group 2 includes two broken axles of counter-rotating fit, and first broken group 2 sets up under unloading funnel 21 for the cooperation position that falls first broken group 2 after the building stones fall from unloading funnel 21 can be accurate, so that first broken group 2 carries out the breakage to the building stones. Two broken axle diameters size in the first broken group 2 are the same, and rotation direction is opposite (the tangential direction at two broken axle tops all points to the centre), and two broken axles are mutually supported and are rotated for after entering into two broken axle cooperation positions under the crushing of broken axle, break the bits of broken stone. The stone material is crushed by the first crushing group 2 and then falls to a first roller screen 3 (comprising a plurality of rotating roller groups 31 which can intensively transport the massive stone material to one end while screening the stone material, and each roller inside the roller screen rotates, so that the stone material is not easy to block in a screen gap of the roller screen, and the condition that the screen mesh is blocked by the stone material to reduce the screen mesh efficiency when a screen mesh is used is avoided), the first roller screen 3 is arranged below the first crushing group 2, one end of the first roller screen 3 is clung to the inner wall of one side of the shell 1, a secondary blanking hole 7 is arranged between the other end of the first roller screen 3 and the inner wall of the other side of the shell 1, the tangential motion direction of the top of the first roller screen 3 points to the secondary blanking hole 7, so that stones which do not conform to the grain size (large stones which cannot pass through the first roller screen 3) are intensively dropped into the secondary blanking holes 7 by the transporting action of the first roller screen 3. And be provided with the broken group 4 of second in the below of secondary blanking hole 7, the broken group 4 of second includes two broken axles of counter-rotating fit, and the diameter of two broken axles in the broken group 4 of second is less than two broken axles of first broken group 2, and two broken axle fit clearance in the broken group 4 of second is compared in first broken group 2 littleer for the building stones that are not conform to the granularity further refines under the crushing effect of the broken group 4 of second. The second roller sieve 5 is arranged below the second crushing group 4 and tightly attached to the inner wall of the shell 1, and is used for screening stone materials crushed by the second crushing group 4, a stone material re-returning opening 8 is formed in the shell 1 on the side pointed by the tangential movement direction of the top of the second roller sieve 5, and the stone material re-returning opening 8 and the second roller sieve 5 are located on the same horizontal plane. A rock material re-returning device 6 is arranged outside the rock material re-returning opening 8 for conveying rock material that has not passed through the second roller screen 5 into the discharge hopper 21 of the casing 1 for re-crushing. The rock material which passes through the second crushing group 4 but does not meet the particle size requirement is transported by the rock material re-returning device 6 into the discharge hopper 21 for re-crushing.
In summary, in the ore crusher disclosed in this embodiment, the first crushing group 2 is disposed below the discharging funnel 21 of the housing 1, stone materials are primarily crushed by the first crushing group 2, the diameter of the crushing shaft in the first crushing group 2 is large, the crushing efficiency is high, the first roller screen 3 is disposed below the first crushing group 2, the first roller screen 3 is used for screening the stone materials processed by the first crushing group 2, and transporting the stone materials which do not conform to the size of granularity to the concentration of one end, the stone materials fall into the second crushing group 4 below through the secondary blanking hole 7, the diameter of the crushing shaft in the second crushing group 4 is smaller than that of the crushing shaft in the second crushing group 4, two crushing shafts of the second crushing group 4 are more closely matched, the unqualified stone materials are further crushed and refined by the second crushing group 4, the refining effect is improved, the second roller screen 5 is disposed below the second crushing group 4, the second roller screen 5 concentrates the stones which do not accord with the granularity standard to one end, the stones which do not accord with the granularity standard are sent into the stone re-returning device 6 through the stone re-returning opening 8, under the action of the stone re-returning device 6, the stones which do not accord with the granularity standard return to the discharging hopper 21 of the shell 1 again to be crushed again, and the stones which accord with the granularity standard are concentrated and discharged from the bottom of the shell 1 after passing through the second roller screen 5. The utility model discloses an ore crusher adopts two broken groups of big or small to carry out the broken in grades to the building stones, improves crushing efficiency, and because the broken clearance of the broken 4 of group of second is less than first broken group 2, make the building stones through the broken 4 back of group of second, the building stones that are not conform to the granularity size reduce by a wide margin, thereby reduce the building stones by a wide margin and carry out the volume that the secondary was broken via building stones reentry device 6, improve crushing efficiency, and because the building stones are via twice screening and breakage, so make its granularity size meet the requirements more. Therefore the utility model discloses an ore crusher has the advantage that improves crushing effect and crushing efficiency.
In order to make the building stones that fall into secondary blanking hole 7 can be comparatively convenient the cooperation position that enters into second broken group 4, furthermore, secondary blanking hole 7's width is any value between 20 cm-40 cm, can specifically be according to the diameter size settlement of the broken axle in two broken groups, as shown in fig. 1, it is best about 1-1.5 times that the width that needs to ensure secondary blanking hole 7 is in broken axle diameter, alright in order to make first roller sieve 3 can be with the accurate cooperation position of transporting to second broken group 4 of bold building stones, be convenient for carry out further fragmentation to bold building stones.
Further, the first roller screen 3 and the second roller screen 5 each comprise a roller set 31, a power motor 32. The roller group 31 comprises a plurality of rollers which are arranged on the same plane in parallel and have the same distance and the same diameter, the gap between the outer surfaces of two adjacent rollers is the screening size, the specific gap size can be determined according to the requirement of the crushing effect, and the power motor 32 is arranged at one end of the roller group 31 and used for driving the rollers in the roller group 31 to rotate. Through the roller sieve of this structure, can carry the transportation with bold building stones again in the screening, prevent that bold building stones from blockking up the screening clearance, improve the screening effect.
Further, the stone material reentry device 6 comprises a spiral feeder arranged perpendicular to the ground, the lower end of the spiral feeder acts on the stone material reentry port 8, and the upper end outlet of the spiral feeder is arranged on the discharging hopper 21 and used for conveying the stone material which is not up to the crushing standard from the stone material reentry port 8 into the discharging hopper 21 to repeatedly crush the stone material until the stone material meets the particle size standard, so that the stone material can pass through the roller screen. The crusher can ensure crushing quality, and repeatedly crush incompletely crushed stones until the stones meet the requirements, so that the crushing quality is improved.
In order to facilitate the roller screen to carry the large stones, further, the first roller screen 3 and the second roller screen 5 are inclined downwards towards the movement direction of transporting the large stones, the inclination angle is any value between 10 degrees and 15 degrees, and the inclination inclined downwards towards the movement direction of the large stones is set, so that the large stones can spontaneously move towards the secondary blanking hole 7 or the stone re-returning opening 8 under the action of gravity, the rotation resistance of the roller screen is reduced, the energy consumption of the roller screen is reduced, and the production cost is further reduced.
In order to collect crushed stone materials conveniently, furthermore, the bottom of the shell 1 is provided with an aggregate funnel 9, a discharge hole 91 is formed in the middle of the aggregate funnel 9, the crushed stone materials can spontaneously slide towards the discharge hole 91 under the action of self gravity through the aggregate funnel 9 until the crushed stone materials leave the crusher from the discharge hole 91, and therefore convenience of the crusher is improved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes may be made and equivalents may be substituted for elements thereof without departing from the spirit and scope of the invention. The present invention is not to be limited by the specific embodiments disclosed herein, and other embodiments that fall within the scope of the claims of the present application are intended to be within the scope of the present invention.
Claims (6)
1. A mineral breaker, comprising:
the top of the shell (1) is provided with a blanking funnel (21) for blanking;
the first crushing group (2) comprises two crushing shafts which are in contra-rotating fit, and the first crushing group (2) is arranged right below the blanking hopper (21);
the first roller screen (3) is arranged below the first crushing group (2), one end of the first roller screen (3) is tightly attached to the inner wall of one side of the shell (1), a secondary blanking hole (7) is formed between the other end of the first roller screen and the inner wall of the other side of the shell (1), and the tangential movement direction of the top of the first roller screen (3) points to the secondary blanking hole (7);
the second crushing group (4) comprises two crushing shafts which are in contra-rotating fit, and the second crushing group (4) is arranged below the secondary blanking hole (7);
the second roller screen (5) is arranged below the second crushing group (4), is tightly attached to the inner wall of the shell (1) and is used for screening stone materials crushed by the second crushing group (4), a stone material re-returning opening (8) is formed in the shell (1) on the side, indicated by the tangential movement direction, of the top of the second roller screen (5), and the stone material re-returning opening (8) and the second roller screen (5) are located on the same horizontal plane;
and the stone material re-returning device (6) is arranged outside the stone material re-returning opening (8) and is used for conveying stone materials which do not pass through the second roller screen (5) into the discharging hopper (21) of the shell (1) for re-crushing.
2. A mineral breaker in accordance with claim 1 wherein:
the width of the secondary blanking hole (7) is any value between 20cm and 40 cm.
3. A mineral breaker in accordance with claim 1 wherein:
the first roller screen (3) and the second roller screen (5) each comprising:
a roller group (31) comprising a plurality of rollers which have the same distance and the same diameter and size and are arranged in parallel on the same plane;
and the power motor (32) is arranged at one end of the roller set (31) and is used for driving the rollers in the roller set (31) to rotate.
4. A mineral breaker in accordance with claim 1 wherein:
the stone material reentry device (6) comprises a spiral feeder arranged perpendicular to the ground, the lower end of the spiral feeder acts on the stone material reentry port (8), the upper end outlet of the spiral feeder is arranged on the discharging funnel (21) and used for conveying the broken unqualified stone material to the discharging funnel (21) from the stone material reentry port (8).
5. A mineral breaker in accordance with claim 1 wherein:
the first roller screen (3) and the second roller screen (5) are inclined downwards towards the moving direction of transporting the large stone materials, and the inclined angle is any value between 10 degrees and 15 degrees.
6. A mineral breaker in accordance with claim 1 wherein:
the bottom of shell (1) is provided with aggregate funnel (9), be provided with discharge gate (91) in the middle of aggregate funnel (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021434157.2U CN213376842U (en) | 2020-07-20 | 2020-07-20 | Ore crusher |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021434157.2U CN213376842U (en) | 2020-07-20 | 2020-07-20 | Ore crusher |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213376842U true CN213376842U (en) | 2021-06-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021434157.2U Active CN213376842U (en) | 2020-07-20 | 2020-07-20 | Ore crusher |
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| Country | Link |
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| CN (1) | CN213376842U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114985045A (en) * | 2022-04-26 | 2022-09-02 | 安徽马钢矿业资源集团建材科技有限公司 | Continuous grading production equipment and process for high-compactness sandstone aggregate |
| CN115178367A (en) * | 2022-09-12 | 2022-10-14 | 泉州市风火轮机械设备有限公司 | Circulating type roller sand crusher |
-
2020
- 2020-07-20 CN CN202021434157.2U patent/CN213376842U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114985045A (en) * | 2022-04-26 | 2022-09-02 | 安徽马钢矿业资源集团建材科技有限公司 | Continuous grading production equipment and process for high-compactness sandstone aggregate |
| CN115178367A (en) * | 2022-09-12 | 2022-10-14 | 泉州市风火轮机械设备有限公司 | Circulating type roller sand crusher |
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