CN208679289U - A kind of ore pulverizer - Google Patents
A kind of ore pulverizer Download PDFInfo
- Publication number
- CN208679289U CN208679289U CN201821019420.4U CN201821019420U CN208679289U CN 208679289 U CN208679289 U CN 208679289U CN 201821019420 U CN201821019420 U CN 201821019420U CN 208679289 U CN208679289 U CN 208679289U
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- crankshaft
- ore
- case
- shaft
- broken case
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Abstract
The utility model discloses a kind of ore pulverizers, it is related to ore processing technical field, the utility model includes external pillared stent, broken case is connected in external pillared stent, broken box top is equipped with feed inlet, bottom is equipped with feed opening, the breaker roll of mutual extrusion engagement there are two being set below feed inlet in broken case, the lower section of breaker roll is equipped with crankshaft, one end of crankshaft is connect with the side inner wall of broken case by bearing, the other end stretches out broken case and is connected with the first rotary drive mechanism, several connecting rods are hinged on the crankshaft, the one end of several connecting rods far from crankshaft is respectively hinged with a connecting shaft, the one end of several connecting shafts far from connecting rod is respectively fixedly connected with a pressing plate, the first filter plate is equipped between pressing plate and feed opening, the utility model carries out coarse crushing to ore, it is rolled repeatedly by several pressing plates moving up and down again, Until ore particles are discharged after becoming smaller by filter plate, efficiently solve the problems, such as that ore reduction granularity is uneven, improve ore crush efficiency.
Description
Technical field
The utility model relates to ore processing fields, more particularly to a kind of ore pulverizer.
Background technique
Ore refers to the mineral aggregate that can therefrom extract useful constituent or itself have certain performance that can be utilized,
The ore that general acquisition comes out all is big bulk, in order to utmostly utilize ore or effective component extracting, is generally required mine
Stone is crushed.
Based on the demand that ore crushes, ore pulverizer is one of the equipment of indispensability during ore processing, can be extensive
Apply to mine, smelting etc., purposes is by biggish ore reduction into lesser satisfactory fragment.General mineral powder
Crushing device is crushed ore using smashing pendulum or breaker roll, and the lower hopper of smashed ore particles from below comes out, if
Single degree of grinding is insufficient, then returns in pulverizer coarse fodder and crushed again, requires until reaching crushing.
Such generally existing grinding particle size of ore reduction device disadvantage not of uniform size crushes needs not up to standard and repeats to return
Work, so crushing effect is poor, crush efficiency is low.
Utility model content
The purpose of this utility model is that: in order to solve existing grinding device because grinding particle size it is not of uniform size caused by crush effect
The problem of fruit is poor, low efficiency, the utility model provide a kind of ore pulverizer of grinding particle size more evenly.
The utility model specifically uses following technical scheme to achieve the goals above:
A kind of ore pulverizer, including outer support frame are connected in the outer support frame broken by the first connector
Case, the broken box top are equipped with feed inlet, and bottom is equipped with feed opening, set that there are two phases in the broken case below feed inlet
The breaker roll of engagement is mutually squeezed, the lower section of the breaker roll is equipped with crankshaft, the side inner wall of one end of the crankshaft and broken case
It is connected by bearing, the other end stretches out broken case and is connected with the first rotary drive mechanism, and several connections are hinged on the crankshaft
Bar, the one end of several connecting rods far from crankshaft are respectively hinged with a connecting shaft, and the one end of several connecting shafts far from connecting rod is each solid
Surely it is connected with a pressing plate, the first filter plate is equipped between the pressing plate and feed opening.
Further, the crankshaft is arranged right below fixing axle, the both ends of the fixing axle respectively with broken case two
Side inner wall is fixedly connected, the axial line of the fixing axle and the axis parallel of crankshaft, and the fixing axle is equipped with and several companies
Spindle several through-holes correspondingly, the center line of several through-holes is vertical and intersects at the axial line of crankshaft, the connecting shaft
One end and connecting rod it is hinged, the other end of connecting shaft passes through corresponding through-hole and is fixedly connected with the pressing plate vertically downward.
Further, the bottom of the pressing plate is equipped with multiple metal pillars.
Further, feed opening is connected with crush box, and crush box includes outer container, interior case and interior case is driven to revolve in the horizontal plane
The second rotary drive mechanism turned, the outer container are fixedly connected on outer support frame by the second connector, and outer container bottom is equipped with
Discharge port, the interior housing-case are located in outer container, and the bottom of interior case is the second filter plate, and being equipped with several in interior case can move freely
Metal ball.
Further, first rotary drive mechanism includes motor, first pulley and the second belt wheel, and the crankshaft stretches out
One end of broken case and the inner wall of outer support frame are rotatablely connected by bearing, are arranged with first pulley on crankshaft, the motor
The second belt wheel is arranged on output shaft, the first pulley is connected with the second belt wheel by belt.
Further, second rotary drive mechanism includes motor, first rotating shaft and the second shaft, the first rotating shaft
One end connect with outer support frame lower rotation by bearing, distinguish on the other end of the first rotating shaft and the output shaft of motor
Intermeshing bevel gear there are two being arranged；Third belt wheel is connected in the first rotating shaft；One end of second shaft with
The bottom centre of second filter plate is fixedly connected, and the other end passes through outer container bottom and the bottom of outer support frame and rotates company by bearing
It connects, the 4th belt wheel, third belt wheel and the 4th belt wheel is arranged in second shaft and is connected by belt.
Further, the protective case of hollow form, one end of the protective case and the second mistake are arranged with outside second shaft
The bottom of filter plate is fixedly connected, and the other end of protective case is fixedly connected with the bottom of crush box.
The beneficial effects of the utility model are as follows:
1. broken case is arranged in the utility model, broken case is first tentatively crushed ore by breaker roll, by preliminary
Broken ore is fallen on the first filter plate, and the several pressing plates being connected on crankshaft repeatedly squeeze ore with the rotation of crankshaft
Pressure repeatedly extrudes ore using pressing plate and cooperates the first filter plate mistake until ore particles can be fallen by the first filter plate
Filter, it is ensured that uniform by the broken ore grain size of broken case；
2. in the utility model, fixing axle being arranged in the lower section of crankshaft, through-hole is arranged in fixing axle, makes the company for connecting pressing plate
Spindle moves up and down in through-hole, ensures the vertical movement up and down of several connecting shafts with this, makes pressing plate to the extruding force side of ore
To being consistent, pressing plate is further increased to the extruding dynamics of ore；
3. in the utility model, being equipped with several metal pillars in the lower part of pressing plate, metal pillar contacts with ore, can make
Pressing plate puts forth effort the extruding of ore more preferably, to further speed up attrition crushing speed；
4. crush box is arranged in the utility model, ore is broken through broken case and crushing is fallen into after the first filter plate
Case is provided with rotatable interior case in crush box, and the several free metal balls of setting, metal ball are rotated with interior case in interior case
It constantly collides, rub with ore particle, be discharged after the second filter plate after ore particle is crushed, it is ensured that smashed ore particle granularity is more
Add fine uniform；
5. the utility model is arranged with protective case outside the second shaft of case rotation in driving, protective case by the second shaft with
Filtered thin ore particle is kept apart, and makes the rotation of the second shaft not by the drag effects of thin ore particle, the rotation of interior case is effectively ensured
Stablize.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram that the utility model is crushed case；
Fig. 3 is the structural schematic diagram of the utility model crush box.
Appended drawing reference: 1- outer support frame, 1-1- motor mounting rack, the first connector of 2-, the second connector of 2-1-, 3- are broken
Case, 3-1- feed inlet, 3-2- feed opening, 4- breaker roll, 5- pressing plate, 5-1- metal pillar, 6- driving mechanism, 6-1- first revolve
Turn driving mechanism, 6-11- motor, 6-12- first pulley, the second belt wheel of 6-13-, 6-14- output shaft, 6-2- crankshaft, 6-3- to connect
Extension bar, 6-4- connecting shaft, the first filter plate of 7-, 8- crush box, 8-1- outer container, case in 8-2-, the second rotary drive mechanism of 9-,
9-1- bevel gear, 9-2- first rotating shaft, 9-3- third belt wheel, the 4th belt wheel of 9-4-, the second shaft of 9-5-, 9-6- protective case, 10-
Second filter plate, 11- metal ball, 12- fixing axle, 12-1- through-hole, 13- discharge port, 14- damping base
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Usually here in attached drawing description and
The component of the utility model embodiment shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.In addition, term " the
One ", " second " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
In the description of the utility model embodiment, it should be noted that the instructions such as term "inner", "outside", "upper"
Orientation or positional relationship is to be based on the orientation or positional relationship shown in the drawings or when utility model product use usually puts
The orientation or positional relationship put, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion is signified
Device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this is practical
Novel limitation.
Embodiment 1
As depicted in figs. 1 and 2, the present embodiment provides a kind of ore pulverizer, including outer support frame 1, the outer supports
Broken case 3 is connected with by the first connector 2 in frame 1, feed inlet 3-1 is equipped at the top of the broken case 3, bottom is equipped with feed opening
3-2 is set there are two the breaker roll 4 of mutual extrusion engagement below feed inlet 3-1 in the broken case 3, and breaker roll 4 passes through an electricity
The lower section of machine driving, breaker roll 4 is equipped with crankshaft 6-2, and one end of crankshaft 6-2 is connect with the side inner wall of broken case 3 by bearing,
The inner wall that the other end stretches out broken case 3 and outer support frame 1 is rotatablely connected by bearing, is hinged with several companies on the crankshaft 6-2
Extension bar 6-3, it is remote that the several one end of connecting rod 6-3 far from crankshaft 6-2 are respectively hinged with connecting shaft a 6-4, several connecting shaft 6-4
One end from connecting rod 6-3 is respectively fixedly connected with a pressing plate 5, and the bottom of pressing plate 5 is fixed with multiple metal pillar 5-1, described
The first filter plate 7 is equipped between pressing plate 5 and feed opening 3-2, the first filter plate 7 is fixedly connected with the inner wall of broken case 3.
Wherein, crankshaft 6-2, which stretches out on the one end for being crushed case 3, is arranged with first pulley 6-12, is equipped with motor in outer support frame 1
Motor 6-11 is installed on mounting rack 1-1, motor mounting rack 1-1, is arranged with the second belt wheel on the output shaft 6-14 of motor 6-11
6-13, first pulley 6-12 and the second belt wheel 6-13 are connected by belt.
Wherein, crankshaft 6-2 is arranged right below fixing axle 12, the both ends of the fixing axle 12 respectively with broken case 3 two
Side inner wall is fixedly connected, the axis parallel of the axial line of the fixing axle 12 and crankshaft 6-2, the fixing axle 12 be equipped with
Several through-hole 12-1, the center line of several through-hole 12-1 vertically and intersect at crankshaft 6- to several connecting shaft 6-4 correspondingly
2 axial line, one end of the connecting shaft 6-4 and connecting rod 6-3 are hinged, and the other end of connecting shaft 6-4 passes through corresponding through-hole
12-1 is fixedly connected with pressing plate 5 vertically downward.
Working principle: massive ore is added to broken case by feed inlet 3-2, breaker roll 4 is to mine by starting motor 6-11
Stone be tentatively crushed, and preliminary broken ore is fallen on the first filter plate 7, the output shaft 6-14 rotation of motor 6-11, band
Dynamic second belt wheel 6-13 rotation, the second belt wheel 6-13 drive first pulley 6-12 rotation, first pulley 6-12 band dynamic crankshaft 6-2
Rotation makes pressing plate 5 that promotion be repeated with crankshaft 6-2 rotation, push, and fixing axle 12 further limits the pushing direction of pressing plate 5
Position, crushes pressing plate 5 vertically repeatedly to the ore on the first filter plate 7, and the ore particles after pressing plate 5 crushes are filtered by first
The filtering of plate is discharged by feed opening 3-2.
Embodiment 2
As shown in figures 1 and 3, the present embodiment advanced optimizes on the basis of embodiment 1, in particular:
Crush box 8 is connected below the feed opening 3-2 of broken case 3, crush box 8 includes outer container 8-1, interior case 8-2 and driving
The second rotary drive mechanism 9 that interior case 8-2 rotates in the horizontal plane, the top of the outer container 8-1 and feed opening 3-2 are connected, outside
The bottom of case 8-1 is fixedly connected on outer support frame 1 by the second connector 2-1, and the bottom outer container 8-1 is equipped with discharge port 13, institute
The U-shaped case that interior case 8-2 is upper end opening is stated, the bottom wall of interior case 8-2 is the second filter plate 10, and interior case 8-2 is set in outer container 8-1
It is interior, equipped with metal balls 11 that several can move freely in interior case 8-2, the second rotary drive mechanism 9 and the second filter plate 10
Bottom centre's connection.
Wherein, the second rotary drive mechanism 9 includes motor 6-11, first rotating shaft 9-2 and the second shaft 9-5, first rotating shaft
One end of 9-2 is connect by bearing with 1 lower rotation of outer support frame, the other end of the first rotating shaft 9-2 and motor 6-11's
Intermeshing bevel gear 9-1 there are two being arranged respectively on output shaft 6-14；Third belt wheel is cased on the first rotating shaft 9-2
9-3；One end of the second shaft 9-5 is fixedly connected with the bottom centre of the second filter plate 10, and the other end passes through outer container 8-1
Bottom and the bottom of outer support frame 1 are rotatablely connected by bearing, are arranged with the 4th belt wheel 9-4, third on the second shaft 9-5
Belt wheel 9-3 and the 4th belt wheel 9-4 is connected by belt；The protective case 9-6 of hollow form, the guarantor are arranged with outside second shaft 9-5
One end of sheath 9-6 is fixedly connected with the bottom of the second filter plate 10, and the other end of protective case 9-6 and the bottom of crush box 8 are solid
Fixed connection.
Working principle: the ore grain of the feed opening 3-2 discharge through broken case 3 enters crush box 8, falls into the interior of crush box 8
In case 8-2, the output shaft 6-14 of 6-11- motor is rotated, and band dynamic bevel gear 9-1 is rotated, so that first rotating shaft 9-2 is driven to rotate,
By the transmission of third belt wheel 9-3 and the 4th belt wheel 9-4, rotate the second shaft 9-5, the second shaft 9-5 drives interior case
Rotation makes metal ball 11 and ore particles in interior case 8-2 that friction, collision constantly occur, causes ore particles by further powder
Broken, smashed ore particle is filtered through the second filter plate 10 and is discharged by discharge port 13, and below standard rough particle continues and metal ball
11 collisions are discharged until crushing and can be filtered by the second filter plate 10.It is more uniform careful that crush box can grind ore particles,
Further increase the ore reduction uniformity and fineness.
Claims (7)
1. a kind of ore pulverizer, including outer support frame (1), the outer support frame (1) is interior to be connected by the first connector (2)
Have broken case (3), is equipped with feed inlet (3-1) at the top of the broken case (3), bottom is equipped with feed opening (3-2), the broken case
(3) breaker roll (4) of mutual extrusion engagement there are two being set below interior feed inlet (3-1), it is characterised in that: the breaker roll (4)
Lower section be equipped with crankshaft (6-2), one end of the crankshaft (6-2) is connect with the side inner wall of broken case (3) by bearing, another
End is stretched out broken case (3) and is connected with the first rotary drive mechanism (6-1), is hinged with several connecting rod (6- on the crankshaft (6-2)
3), several connecting rods (6-3) are respectively hinged with a connecting shaft (6-4), several connecting shafts (6-4) far from the one end of crankshaft (6-2)
One end far from connecting rod (6-3) is respectively fixedly connected with a pressing plate (5), is equipped between the pressing plate (5) and feed opening (3-2)
First filter plate (7).
2. a kind of ore pulverizer according to claim 1, it is characterised in that: set immediately below the crankshaft (6-2)
Have fixing axle (12), the both ends of the fixing axle (12) are fixedly connected with the two sides inner wall of broken case (3) respectively, the fixing axle
(12) axis parallel of axial line and crankshaft (6-2), the fixing axle (12) are equipped with several connecting shafts (6-4) one by one
Corresponding several through-holes (12-1), the center line of several through-holes (12-1) is vertical and intersects at the axial line of crankshaft (6-2), institute
Hingedly, the other end of connecting shaft (6-4) passes through corresponding through-hole (12-1) by the one end for stating connecting shaft (6-4) and connecting rod (6-3)
It is fixedly connected vertically downward with pressing plate (5).
3. a kind of ore pulverizer according to claim 1 or 2, it is characterised in that: the bottom of the pressing plate (5) is equipped with
Multiple metal pillars (5-1).
4. a kind of ore pulverizer according to claim 1, it is characterised in that: the feed opening (3-2) is connected with powder
Broken case (8), the crush box (8) includes outer container (8-1), interior case (8-2) and case (8-2) rotates in the horizontal plane in driving the
Two rotary drive mechanisms (9), the outer container (8-1) are fixedly connected on outer support frame (1) by the second connector (2-1), outside
The case bottom (8-1) is equipped with discharge port (13), and the interior case (8-2) is set in outer container (8-1), and the bottom of interior case (8-2) is the
Two filter plates (10), the interior metal ball (11) that can be move freely equipped with several of interior case (8-2).
5. a kind of ore pulverizer according to claim 1, it is characterised in that: the first rotary drive mechanism (6-
It 1) include motor (6-11), first pulley (6-12) and the second belt wheel (6-13), the crankshaft (6-2) stretches out broken case (3)
The inner wall of one end and outer support frame (1) is rotatablely connected by bearing, is arranged with first pulley (6-12) on crankshaft (6-2), described
It is arranged with the second belt wheel (6-13) on the output shaft (6-14) of motor (6-11), the first pulley (6-12) and the second belt wheel
(6-13) is connected by belt.
6. a kind of ore pulverizer according to claim 4, it is characterised in that: second rotary drive mechanism (9)
Including motor (6-11), first rotating shaft (9-2) and the second shaft (9-5), one end of the first rotating shaft (9-2) by bearing with
Outer support frame (1) lower rotation connects, on the other end of the first rotating shaft (9-2) and the output shaft (6-14) of motor (6-11)
There are two being arranged respectively intermeshing bevel gear (9-1)；Third belt wheel (9-3) is connected on the first rotating shaft (9-2)；Institute
The one end for stating the second shaft (9-5) is fixedly connected with the bottom centre of the second filter plate (10), and the other end passes through the bottom outer container (8-1)
The bottom of portion and outer support frame (1) is rotatablely connected by bearing, is arranged with the 4th belt wheel (9-4) on second shaft (9-5),
Third belt wheel (9-3) is connected with the 4th belt wheel (9-4) by belt.
7. a kind of ore pulverizer according to claim 6, it is characterised in that: be arranged outside second shaft (9-5)
There is the protective case (9-6) of hollow form, one end of the protective case (9-6) is fixedly connected with the bottom of the second filter plate (10), is protected
The other end of sheath (9-6) is fixedly connected with the bottom of crush box (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019420.4U CN208679289U (en) | 2018-06-29 | 2018-06-29 | A kind of ore pulverizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821019420.4U CN208679289U (en) | 2018-06-29 | 2018-06-29 | A kind of ore pulverizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208679289U true CN208679289U (en) | 2019-04-02 |
Family
ID=65879617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821019420.4U Expired - Fee Related CN208679289U (en) | 2018-06-29 | 2018-06-29 | A kind of ore pulverizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208679289U (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110721798A (en) * | 2019-12-03 | 2020-01-24 | 株洲联信金属有限公司 | Smash effectual ball mill |
| CN110813412A (en) * | 2019-11-27 | 2020-02-21 | 利辛县天鑫玻璃制品有限公司 | Slag treatment device for toughened glass production |
| CN110898887A (en) * | 2019-11-28 | 2020-03-24 | 衡东盛世商品混凝土有限公司 | Stone mashing device |
| CN111330703A (en) * | 2020-03-10 | 2020-06-26 | 宋当建 | Recycling and reusing treatment equipment and treatment process for industrial steelmaking waste steel slag |
| CN111569757A (en) * | 2020-05-11 | 2020-08-25 | 谢洁萍 | Solid chemical product crushing and dissolving equipment |
| CN112090517A (en) * | 2020-09-27 | 2020-12-18 | 张百顺 | Grinding processing technology for chemical powder additive preparation |
| CN112191315A (en) * | 2020-10-21 | 2021-01-08 | 牡丹江师范学院 | Diamond crushing device for diamond material processing |
| CN112774791A (en) * | 2020-12-27 | 2021-05-11 | 余华东 | High-efficient environmental protection ore reducing mechanism |
| CN113000183A (en) * | 2021-02-25 | 2021-06-22 | 齐瑞玲 | Rubbing crusher for feed processing with multistage process flow |
| CN113634343A (en) * | 2021-08-12 | 2021-11-12 | 赛特矿产品(重庆)有限公司 | Special crusher for bauxite raw ore |
| CN113713893A (en) * | 2021-09-08 | 2021-11-30 | 南通大学附属医院 | Medicine crushing device for oncology department |
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2018
- 2018-06-29 CN CN201821019420.4U patent/CN208679289U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110813412B (en) * | 2019-11-27 | 2021-07-23 | 利辛县天鑫玻璃制品有限公司 | Slag treatment device for toughened glass production |
| CN110813412A (en) * | 2019-11-27 | 2020-02-21 | 利辛县天鑫玻璃制品有限公司 | Slag treatment device for toughened glass production |
| CN110898887A (en) * | 2019-11-28 | 2020-03-24 | 衡东盛世商品混凝土有限公司 | Stone mashing device |
| CN110721798A (en) * | 2019-12-03 | 2020-01-24 | 株洲联信金属有限公司 | Smash effectual ball mill |
| CN111330703A (en) * | 2020-03-10 | 2020-06-26 | 宋当建 | Recycling and reusing treatment equipment and treatment process for industrial steelmaking waste steel slag |
| CN111569757A (en) * | 2020-05-11 | 2020-08-25 | 谢洁萍 | Solid chemical product crushing and dissolving equipment |
| CN112090517A (en) * | 2020-09-27 | 2020-12-18 | 张百顺 | Grinding processing technology for chemical powder additive preparation |
| CN112090517B (en) * | 2020-09-27 | 2021-04-20 | 泰安市蓝天助剂有限公司 | Grinding processing technology for chemical powder additive preparation |
| CN112191315A (en) * | 2020-10-21 | 2021-01-08 | 牡丹江师范学院 | Diamond crushing device for diamond material processing |
| CN112774791A (en) * | 2020-12-27 | 2021-05-11 | 余华东 | High-efficient environmental protection ore reducing mechanism |
| CN113000183A (en) * | 2021-02-25 | 2021-06-22 | 齐瑞玲 | Rubbing crusher for feed processing with multistage process flow |
| CN113634343A (en) * | 2021-08-12 | 2021-11-12 | 赛特矿产品(重庆)有限公司 | Special crusher for bauxite raw ore |
| CN113713893A (en) * | 2021-09-08 | 2021-11-30 | 南通大学附属医院 | Medicine crushing device for oncology department |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190402 Termination date: 20200629 |
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| CF01 | Termination of patent right due to non-payment of annual fee |