WO2007131423A1 - A material feeder of a large size planetary ball mill - Google Patents

A material feeder of a large size planetary ball mill Download PDF

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Publication number
WO2007131423A1
WO2007131423A1 PCT/CN2007/001389 CN2007001389W WO2007131423A1 WO 2007131423 A1 WO2007131423 A1 WO 2007131423A1 CN 2007001389 W CN2007001389 W CN 2007001389W WO 2007131423 A1 WO2007131423 A1 WO 2007131423A1
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WIPO (PCT)
Prior art keywords
feeding frame
spiral blade
rotating shaft
feeding
ball mill
Prior art date
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PCT/CN2007/001389
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French (fr)
Chinese (zh)
Inventor
Jinshan Xu
Jingping Yan
Original Assignee
Yangzhou Qunyou Powder Materials Science & Technology Co., Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Yangzhou Qunyou Powder Materials Science & Technology Co., Ltd filed Critical Yangzhou Qunyou Powder Materials Science & Technology Co., Ltd
Publication of WO2007131423A1 publication Critical patent/WO2007131423A1/en

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Classifications

    • 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
    • B02C23/02—Feeding devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/04—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container
    • B02C17/08—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container with containers performing a planetary movement

Definitions

  • the present invention relates to a structure of a pulverizing machine, particularly a planetary ball mill feeding device.
  • the main shaft of the planetary ball mill is evenly distributed with a number of grinding cylinders of the planet.
  • Each grinding cylinder not only follows the male turntable but also rotates.
  • the material is fed from the feeding hopper, after being fed by the feeding frame, into the grinding cylinder body.
  • the grinding ball in the barrel grinds the material.
  • the top corners of the feeding frame are respectively connected with the grinding cylinder, and the rotating shaft extending into the grinding cylinder is arranged at each corner of the feeding frame.
  • the spiral blades are respectively connected to the rotating shaft, and the designed purpose is to allow the centrifugally-fed materials to reach the respective corners, and then the spiral blades are fed to the respective grinding cylinders.
  • This design makes the grinding balls in the grinding cylinder easy to be clamped on the spiral blades, causing pinching, which not only requires downtime, but also easily damages the spiral blades.
  • a protective cover is arranged in the grinding cylinder, and the protective cover is used to partially protect the spiral blade.
  • the protective cover due to the design of the protective cover, not only the feeding speed is seriously affected. The effect, and the spiral extends into the feed sleeve, the large diameter material tends to cause the spiral blade to jam, so that the material cannot enter the grinding cylinder and the spiral blade is damaged.
  • the invention comprises a feeding hopper and a feeding frame provided with a plurality of apex angles.
  • a guiding tube is connected at the outer end of the discharging hole, and 7J is flat in the guiding tube and the feeding frame.
  • Arranging a rotating shaft one end of the rotating shaft is supported on the feeding frame by a bearing, and the other end of the rotating shaft is located outside the discharging port of the guiding tube, and the spiral bracket disposed in the grinding cylinder is connected at the end of the rotating shaft, and is located at the rotating shaft
  • the spiral blade is fixedly connected to the rotating shaft in the rack.
  • the outer diameter of the spiral blade installed in the feed frame is smaller than the inner diameter of the corresponding guide pipe.
  • the spiral blade installed in the feeding frame may be a spiral blade of equal diameter or a spiral blade of large to small diameter.
  • the material enters the guide tube without the spiral blade under the pushing of the spiral blade, and the material is uniformly fed into the grinding cylinder under the guiding of the spiral blade.
  • the invention can realize rapid material distribution, large flow of material, suitable for large flow. Continuous production, especially suitable for the production of cement, pulverized coal and blast furnace slag.
  • the distance between the end of the spiral blade of the present invention toward the end of the guide tube and the end face of the feed frame is 5 to 10 cm.
  • the utility model can obviously improve the service life of the spiral blade, and can directly feed the large granular material into the grinding cylinder.
  • the invention is a planetary ball mill which continuously produces a large flow rate with better energy efficiency ratio.
  • FIG. 1 is a schematic structural view of an embodiment of the present invention.
  • a feed frame 5 is concentrically connected to the main shaft 1, and the feed frame 5 is provided with four apex angles (only one is shown); the feed frame 5 is provided with a central feed hole, The front end of the rack 5 is externally connected to the feed hopper 6 on the main shaft 1, and the feed hopper 6 is supported on the bracket 7 connected to the base 3.
  • the front end of the main shaft 1 is supported on the base 3 via the front bearing housing 2, and the front male turntable 4 is mounted on the main shaft 1.
  • Four grinding cylinders 8 are uniformly distributed on the front male turntable 4.
  • a through hole is formed in the center of the front end cover 9 of the grinding cylinder 8, and the front end cover 9 is fixed to the hollow shaft 10.
  • the front end of the grinding cylinder 8 is connected to the front male turntable 4 via a hollow shaft 10 and a bearing 11.
  • the inside of the front end cover 9 of the grinding cylinder 8 is fixed to the concentric spiral bracket 12.
  • a guide tube 16 is connected to the outer end of the discharge hole, in the guide material
  • a rotating shaft 14 is horizontally arranged in the tube 16 and the feeding frame, and one end of the rotating shaft 14 is supported on the feeding frame 5 through the bearing housing 15, and the other end of the rotating shaft 14 is located outside the discharge opening of the guiding tube 16, at the end of the rotating shaft 14.
  • a spiral bracket 12 disposed in the grinding cylinder 8 is attached, and the feeding frame 5 is fixed to the front male turntable 4.
  • the spiral blade 13 is fixedly coupled to the rotary shaft 14 located in the feed frame 5.
  • the distance L between the end of the spiral blade 13 toward the end of the guide tube 16 and the end face of the feed frame 5 at the end is 5 to 10 cm.
  • the outer diameter of the spiral vane 13 installed in the feed frame 5 is smaller than the inner diameter of the corresponding guide tube 16.
  • the spiral vanes 13 mounted in the feed frame 5 may be equal diameter spiral vanes or may be large to small variable diameter spiral vanes.
  • the motor drives the front male turntable 4 to rotate around the main shaft 1, so that the grinding cylinder 8 and the feeding frame 5 mounted on the male turntable 4 rotate together to form a revolution, and at the same time, the feeding frame 5 rotates around its own axis.
  • the material enters the feeding frame 5 from the feeding hopper 6. Under the action of the centrifugal force, the material quickly reaches the top corners, and the material enters the guiding tube 16 without the spiral blade under the pushing of the spiral blade 13. Under the guiding of the spiral blade 13, the material is uniformly fed into the grinding cylinder 8 to achieve the intended purpose.
  • the feeding device of the large planetary ball mill of the invention has reasonable structural design, convenient processing, large-scale industrial production, and good industrial applicability.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Crushing And Grinding (AREA)

Abstract

A material feeder of a large size planetary ball mill includes a hopper, a feeding frame with several top corners, and a grinding barrel. A material guiding pipe is provided on each top corner of the feeding frame and outside the discharge hole; a rotating shaft is horizontally provided inside the material guiding pipe and the feeding frame with one end supported on the feeding frame via a bearing and the other end located outside the discharge port of the material guiding pipe. The other end of the rotating shaft is connected to a spiral rack provided in the grinding barrel, and some spiral vanes are provided on the part of the rotating shaft inside the feeding frame. Under the driving of the spiral vanes, the material is fed first to the material guiding pipe, which does not have spiral vanes, and then to the grinding barrel homogeneously.

Description

大型行星球磨机的进料装置 技术领域  Feeding device for large planetary ball mills
本发明涉及一种粉碎机械设备，特别是行星球磨机进料装置的结 构。  The present invention relates to a structure of a pulverizing machine, particularly a planetary ball mill feeding device.
背景技术 Background technique
行星球磨机的主轴外均布如行星的若干磨筒，每只磨筒不但跟随 公转盘公转， 而且还进行自转， 物料由进料斗， 经进料架分料后， 进 入磨筒体内， 由磨筒体内的研磨球对物料进行研磨。为了将进料架内 的物料入磨筒分配，现有技术中在进料架的各顶角分别与磨筒相对连 接，在进料架各顶角设有伸入磨筒的转轴，在各转轴上分别连接螺旋 叶片，设计目的是让被离心作用的物料到达各顶角后， 由螺旋叶片向 各磨筒分料。这种设计使磨筒内的磨球易被夹持在螺旋叶片上，造成 夹死， 不但需要停机， 而且还易将螺旋叶片损坏。 在中国专利 The main shaft of the planetary ball mill is evenly distributed with a number of grinding cylinders of the planet. Each grinding cylinder not only follows the male turntable but also rotates. The material is fed from the feeding hopper, after being fed by the feeding frame, into the grinding cylinder body. The grinding ball in the barrel grinds the material. In order to distribute the material in the feeding frame into the grinding cylinder, in the prior art, the top corners of the feeding frame are respectively connected with the grinding cylinder, and the rotating shaft extending into the grinding cylinder is arranged at each corner of the feeding frame. The spiral blades are respectively connected to the rotating shaft, and the designed purpose is to allow the centrifugally-fed materials to reach the respective corners, and then the spiral blades are fed to the respective grinding cylinders. This design makes the grinding balls in the grinding cylinder easy to be clamped on the spiral blades, causing pinching, which not only requires downtime, but also easily damages the spiral blades. Patent in China
CN002662108中，为了防止伸入磨筒内的螺旋叶片被夹，在磨筒内设 置了一个防护罩，企图采用防护罩对螺旋叶片进行局部保护，但由于 防护罩的设计，不但进料速度受到严重影响，而且螺旋伸入到进料套 管内， 大直径物料易使螺旋叶片卡死， 而使物料不能进入磨筒内， 并 使螺旋叶片损坏。 In CN002662108, in order to prevent the spiral blade extending into the grinding cylinder from being clamped, a protective cover is arranged in the grinding cylinder, and the protective cover is used to partially protect the spiral blade. However, due to the design of the protective cover, not only the feeding speed is seriously affected. The effect, and the spiral extends into the feed sleeve, the large diameter material tends to cause the spiral blade to jam, so that the material cannot enter the grinding cylinder and the spiral blade is damaged.
发明内容 Summary of the invention
本发明的目的在于设计一种适合大型连续生产的行星球磨机的 进料装置。  It is an object of the present invention to design a feed device for a planetary ball mill that is large continuous production.
本发明包括进料斗、设有多个顶角的进料架，在进料架的顶角处、 于出料孔外端连接一导料管， 在导料管和进料架内 7J平布置一转轴， 所述转轴的一端通过轴承支撑在进料架上，转轴的另一端位于导料管 的出料口外，在转轴的该端连接布置在磨筒内的螺旋支架，在位于进 料架内的转轴上固定连接螺旋叶片。 The invention comprises a feeding hopper and a feeding frame provided with a plurality of apex angles. At the top corner of the feeding frame, a guiding tube is connected at the outer end of the discharging hole, and 7J is flat in the guiding tube and the feeding frame. Arranging a rotating shaft, one end of the rotating shaft is supported on the feeding frame by a bearing, and the other end of the rotating shaft is located outside the discharging port of the guiding tube, and the spiral bracket disposed in the grinding cylinder is connected at the end of the rotating shaft, and is located at the rotating shaft The spiral blade is fixedly connected to the rotating shaft in the rack.
所述的安装在进料架内的螺旋叶片的外径小于相对应导料管的 内径。  The outer diameter of the spiral blade installed in the feed frame is smaller than the inner diameter of the corresponding guide pipe.
所述的安装在进料架内的螺旋叶片可以.等直径螺旋叶片，也可以 是由大到小变直径螺旋叶片。  The spiral blade installed in the feeding frame may be a spiral blade of equal diameter or a spiral blade of large to small diameter.
物料在螺旋叶片的推动下进入无螺旋叶片的导料管，在螺旋叶片 的导向推动下， 快速地向磨筒内均匀进料， 本发明能实现快速分料， 大流量迸料， 适合大流量连续生产，特别适合水泥业、煤粉业和高炉 渣的生产。  The material enters the guide tube without the spiral blade under the pushing of the spiral blade, and the material is uniformly fed into the grinding cylinder under the guiding of the spiral blade. The invention can realize rapid material distribution, large flow of material, suitable for large flow. Continuous production, especially suitable for the production of cement, pulverized coal and blast furnace slag.
同时，本发明朝向导料管端的螺旋叶片端部与进料架端面之间的 距离为 5〜10cm。 能明显提高螺旋叶片的使用寿命， 而且， 可使大 颗粒物料直接进入磨筒内，本发明是一种具有较好能效比的大流量连 续生产的行星球磨机。  At the same time, the distance between the end of the spiral blade of the present invention toward the end of the guide tube and the end face of the feed frame is 5 to 10 cm. The utility model can obviously improve the service life of the spiral blade, and can directly feed the large granular material into the grinding cylinder. The invention is a planetary ball mill which continuously produces a large flow rate with better energy efficiency ratio.
附图说明 DRAWINGS
图 1为本发明实施例的结构示意图。  FIG. 1 is a schematic structural view of an embodiment of the present invention.
具体实施方式 detailed description
如图 1所示， 在主轴 1上同心连接有进料架 5， 进料架 5设有四 个顶角 （图中仅画出一个）； 进料架 5设有中心进料孔， 在进料架 5 前端、 于主轴 1上外接进料斗 6; 进料斗 6支撑在与机座 3连接的支 架 7上。  As shown in Fig. 1, a feed frame 5 is concentrically connected to the main shaft 1, and the feed frame 5 is provided with four apex angles (only one is shown); the feed frame 5 is provided with a central feed hole, The front end of the rack 5 is externally connected to the feed hopper 6 on the main shaft 1, and the feed hopper 6 is supported on the bracket 7 connected to the base 3.
主轴 1的前端通过前轴承座 2支撑在机座 3上，主轴 1上安装有 前公转盘 4。 在前公转盘 4上均布四个磨筒 8。 磨筒 8的前端盖 9中 心开设通孔，前端盖 9固接中空轴 10,磨筒 8的前端通过中空轴 10、 轴承 11连接在前公转盘 4上。 磨筒 8前端盖 9的内侧固接同心的螺 旋支架 12。  The front end of the main shaft 1 is supported on the base 3 via the front bearing housing 2, and the front male turntable 4 is mounted on the main shaft 1. Four grinding cylinders 8 are uniformly distributed on the front male turntable 4. A through hole is formed in the center of the front end cover 9 of the grinding cylinder 8, and the front end cover 9 is fixed to the hollow shaft 10. The front end of the grinding cylinder 8 is connected to the front male turntable 4 via a hollow shaft 10 and a bearing 11. The inside of the front end cover 9 of the grinding cylinder 8 is fixed to the concentric spiral bracket 12.
在进料架 5的顶角处、 于出料孔外端连接一导料管 16, 在导料 管 16和进料架内水平布置一转轴 14， 转轴 14的一端通过轴承座 15 支撑在进料架 5上，转轴 14的另一端位于导料管 16的出料口外，在 转轴 14的该端连接布置在磨筒 8内的螺旋支架 12， 进料架 5固接在 前公转盘 4上。 At the top corner of the feed frame 5, a guide tube 16 is connected to the outer end of the discharge hole, in the guide material A rotating shaft 14 is horizontally arranged in the tube 16 and the feeding frame, and one end of the rotating shaft 14 is supported on the feeding frame 5 through the bearing housing 15, and the other end of the rotating shaft 14 is located outside the discharge opening of the guiding tube 16, at the end of the rotating shaft 14. A spiral bracket 12 disposed in the grinding cylinder 8 is attached, and the feeding frame 5 is fixed to the front male turntable 4.
在位于进料架 5内的转轴 14上固定连接螺旋叶片 13。朝向导料 管 16端的螺旋叶片 13端部与该端的进料架 5端面之间的距离 L为 5〜10cm 。  The spiral blade 13 is fixedly coupled to the rotary shaft 14 located in the feed frame 5. The distance L between the end of the spiral blade 13 toward the end of the guide tube 16 and the end face of the feed frame 5 at the end is 5 to 10 cm.
安装在进料架 5内的螺旋叶片 13的外径小于相对应导料管 16的 内径。  The outer diameter of the spiral vane 13 installed in the feed frame 5 is smaller than the inner diameter of the corresponding guide tube 16.
安装在进料架 5内的螺旋叶片 13可以等直径螺旋叶片， 也可以 是由大到小变直径螺旋叶片。  The spiral vanes 13 mounted in the feed frame 5 may be equal diameter spiral vanes or may be large to small variable diameter spiral vanes.
使用时， 电机驱动前公转盘 4绕主轴 1转动， 使安装在公转盘 4 上的磨筒 8及进料架 5—起转动形成公转， 同时，进料架 5还绕其又 自身的轴线自转（具体结构略)， 物料由进料斗 6进入进料架 5内， 在离心力的作用下， 物料快速到达各顶角处， 物料在螺旋叶片 13的 推动下进入无螺旋叶片的导料管 16， 在螺旋叶片 13的导向推动下， 快速地向磨筒 8内均匀进料， 即可达到预期目的。  In use, the motor drives the front male turntable 4 to rotate around the main shaft 1, so that the grinding cylinder 8 and the feeding frame 5 mounted on the male turntable 4 rotate together to form a revolution, and at the same time, the feeding frame 5 rotates around its own axis. (The specific structure is omitted), the material enters the feeding frame 5 from the feeding hopper 6. Under the action of the centrifugal force, the material quickly reaches the top corners, and the material enters the guiding tube 16 without the spiral blade under the pushing of the spiral blade 13. Under the guiding of the spiral blade 13, the material is uniformly fed into the grinding cylinder 8 to achieve the intended purpose.
工业实用性 Industrial applicability
本发明大型行星球磨机的进料装置， 结构设计合理， 加工方便， 可大批量工业化生产， 具有良好的工业实用性。  The feeding device of the large planetary ball mill of the invention has reasonable structural design, convenient processing, large-scale industrial production, and good industrial applicability.

Claims

权 刺 要 求 Spur demand
1、 大型行星球磨机的进料装置， 包括进料斗、 设有多个顶角的 进料架、磨筒， 其特征在于： 在进料架的每一顶角处、.于出料孔外端 均连接一导料管；在导料管和进料架内水平布置一转轴，所述转轴的 一端通过轴承支撑在进料架上， 转轴的另一端位于导料管的出料口 外，在转轴的该端连接布置在磨筒内的螺旋支架，在位于进料架内的 转轴上固定连接螺旋叶片，物料在螺旋叶片的推动下进入通畅的导料 管， 并在螺旋叶片的导向推动下， 快速地向磨筒内均勾进料。 1. The feeding device of the large planetary ball mill comprises a feeding hopper, a feeding frame provided with a plurality of apex angles, and a grinding cylinder, which are characterized in that: at each corner of the feeding frame, outside the discharging hole The ends are connected to a guiding tube; a rotating shaft is horizontally arranged in the guiding tube and the feeding frame, one end of the rotating shaft is supported on the feeding frame by a bearing, and the other end of the rotating shaft is located outside the discharging port of the guiding tube, The end of the rotating shaft is connected to the spiral bracket disposed in the grinding cylinder, and the spiral blade is fixedly connected to the rotating shaft located in the feeding frame, and the material is pushed by the spiral blade into the unobstructed guiding tube, and is guided by the spiral blade. Quickly feed the material into the grinding cylinder.
2、 根据权利要求 1所述大型行星球磨机的进料装置， 其特征在 于： 所述进料架至少有三个顶角， 每个顶角处均相应的安装一磨筒。  2. The feeding device of a large planetary ball mill according to claim 1, wherein: the feeding frame has at least three apex angles, and each of the apex angles is correspondingly mounted with a grinding cylinder.
3、 根据权利要求 1或 2所述大型行星球磨机的进料装置， 其特 征在于： 朝向导料管端的螺旋叶片端部与进料架端面之间的距离为 5〜10cm 。  A feeding device for a large planetary ball mill according to claim 1 or 2, wherein the distance between the end of the spiral blade facing the end of the guide pipe and the end face of the feeding frame is 5 to 10 cm.
4、 根据权利要求 1或 2所述大型行星球磨机的进料装置， 其特 征在于： 安装在进料架内的螺旋叶片的外径小于相对应导料管的内 径。  A feeding device for a large planetary ball mill according to claim 1 or 2, wherein the outer diameter of the spiral blade mounted in the feed frame is smaller than the inner diameter of the corresponding guide pipe.
5、 根据权利要求 1或 2所述大型行星球磨机的进料装置， 其特 征在于：安装在进料架内的螺旋叶片可以等直径螺旋叶片，也可以是 由大到小变直径螺旋叶片。  A feeding device for a large planetary ball mill according to claim 1 or 2, wherein the spiral blade mounted in the feeding frame is of a spiral blade of equal diameter or a spiral blade of large to small diameter.
PCT/CN2007/001389 2006-04-27 2007-04-26 A material feeder of a large size planetary ball mill WO2007131423A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610040102.1 2006-04-27
CNA2006100401021A CN1846861A (en) 2006-04-27 2006-04-27 Material feeder of large planetary ball mill

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WO2007131423A1 true WO2007131423A1 (en) 2007-11-22

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CN109012898A (en) * 2018-10-12 2018-12-18 河南先导机械力化学研究院有限公司 Ball-milling device for planetary ball mill
CN109012899B (en) * 2018-10-12 2024-04-09 河南先导机械力化学研究院有限公司 Planetary ball mill
CN109012895B (en) * 2018-10-12 2024-04-09 河南先导机械力化学研究院有限公司 Ball milling device for planetary ball mill
CN109012917B (en) * 2018-10-12 2024-04-09 河南先导机械力化学研究院有限公司 Planetary ball mill

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CN2527347Y (en) * 2002-02-07 2002-12-25 津江超细粉体(武汉)有限公司 High speed tube grinding machine with regulatable barrel length of the grinding machine
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* Cited by examiner, † Cited by third party
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