WO2015100946A1 - 一种机械搅拌主轴 - Google Patents

一种机械搅拌主轴 Download PDF

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Publication number
WO2015100946A1
WO2015100946A1 PCT/CN2014/079318 CN2014079318W WO2015100946A1 WO 2015100946 A1 WO2015100946 A1 WO 2015100946A1 CN 2014079318 W CN2014079318 W CN 2014079318W WO 2015100946 A1 WO2015100946 A1 WO 2015100946A1
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WO
WIPO (PCT)
Prior art keywords
shaft core
mechanical stirring
air
machine body
oil seal
Prior art date
Application number
PCT/CN2014/079318
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English (en)
French (fr)
Inventor
汤秀清
Original Assignee
广州市昊志机电股份有限公司
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Application filed by 广州市昊志机电股份有限公司 filed Critical 广州市昊志机电股份有限公司
Publication of WO2015100946A1 publication Critical patent/WO2015100946A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C37/00—Cooling of bearings
    • F16C37/007—Cooling of bearings of rolling bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/541—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing
    • F16C19/542—Systems consisting of juxtaposed rolling bearings including at least one angular contact bearing with two rolling bearings with angular contact
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54—Systems consisting of a plurality of bearings with rolling friction
    • F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing

Definitions

  • the invention relates to a stirring device, in particular to a mechanical stirring spindle. Background technique
  • the mechanical stirring spindle is usually installed at the top end of the mixing drum of the mixer to drive the stirring shaft to rotate at a high speed, so that the stirring blade or the dispersing cylinder on the stirring shaft rotates at a high speed, so that the fluid material inside the mixing drum is fully stirred. Evenly.
  • the traditional mechanical stirring spindle includes a body and a shaft core pivotally connected inside the body through a bearing.
  • the lower end of the shaft core is coupled with the stirring shaft through a transmission key, and the upper end portion of the shaft core is synchronously coupled with the rotating shaft of the motor, and the motor drives the shaft core at a high speed.
  • the rotation of the agitator shaft is too high due to the general agitation process. Therefore, during operation, the shaft core and the body generate a large amount of heat, which causes the shaft core and the body to operate at a high temperature for a long time, which seriously affects the rotation. The rate of rotation of the core.
  • the external cooling device is usually used to match the shaft core and the body, and the temperature of the shaft core and the working body is lowered, but the structure is usually complicated, and the zeros on the stirring main shaft are Parts are difficult to machine. Summary of the invention
  • the object of the present invention is to provide a mechanical stirring spindle which is simple in structure, easy to process and install, and can ensure the core and the body at a low temperature. The state works normally.
  • a mechanical stirring spindle including
  • the outer surface of the body is provided with a spiral groove, and an air inlet channel is defined in the body; a fixed outer casing is sleeved on the body body and the closed cover is outside the opening of the spiral iHJ slot, and the outer casing is provided with a spiral concave a coolant inlet connected to one end of the tank, and a coolant outlet connected to the other end of the spiral groove;
  • a shaft core that is connected to the inside of the body, and the shaft core is pivotally connected to the body through the upper bearing and the lower bearing respectively located at the upper and lower ends of the body;
  • the mounting seat is internally provided with a mounting cavity, and the mounting cavity is provided with a mounting cavity
  • An oil seal fixed on the mounting seat, the oil seal sleeve is disposed on the shaft core, and the oil seal is provided with a lip piece that is tightly fitted to the shaft core; the air supply passage and the exhaust passage are both electrically connected to the installation cavity.
  • the lower end cap assembly comprises a lower end cover and a connecting seat fixedly connected under the lower end cover, wherein the air supply passage and the exhaust passage are both disposed on the lower end cover, the connecting seat is provided with an annular air groove and a plurality of air guiding holes, and the air supply channel is an annular air groove And communicating with the air inlet passage, one end of the air guiding hole communicates with the annular air groove, the other end communicates with the first gap formed between the connecting seat and the shaft core, and a second gap is formed between the lower end cover and the shaft core, and the second gap will be The upper end of the first gap communicates with the exhaust passage, and the lower end of the first gap communicates with the mounting cavity.
  • a plurality of air guiding holes are distributed on the connecting seat, and the air guiding holes are provided by the bottom wall of the annular air groove
  • the slant extends to the inner wall of the connector.
  • the mount is detachably attached to the base by screws.
  • the oil seal includes a base body fixed in the mount, and the lip piece is attached to the body.
  • the mechanical stirring spindle further comprises an upper end cover fixed to the upper end of the body body and sleeved outside the shaft core, and a spacer sleeve connected to the outside of the shaft core is disposed inside the body body, and the upper bearing and the lower bearing are respectively disposed at the upper end of the spacer sleeve and a lower end portion, a upper end of the shaft core is screwed with a lock nut, and an upper gland assembly is disposed on the upper portion of the upper bearing, and the upper bearing and the upper gland assembly are defined between the lock nut and the upper end of the spacer; the lower bearing The lower portion is provided with a lower gland assembly, and the lower and lower gland assemblies are defined between the lower end cap assembly and the lower end of the spacer.
  • the mechanical stirring spindle of the present invention continuously inputs cooling liquid and cold air to cool the body and the oil seal during operation, and the cooling liquid reduces the temperature of the body, the shaft core and other components inside the body, and the cold air pair
  • the continuous cooling of the oil seal eliminates the influence of temperature on the various components of the mechanical stirring spindle, so that the various components of the mechanical stirring spindle work at low temperature, prolonging the life of the components in the mixing spindle, especially extending the oil seal replacement cycle.
  • Figure 1 is a schematic structural view of the present invention
  • Figure 2 is an enlarged view of a portion A in Figure 1;
  • Figure 3 is a schematic structural view of the oil seal of the present invention.
  • the present invention is a mechanical stirring spindle comprising a body 10, a casing 30, a core 20, and a lower end.
  • the sealing position is provided with a sealing ring to seal the body 10 and the body casing 30, and the body casing 30 is sealed on the outside of the opening of the spiral groove 11 outside the body 10, so that the spiral groove 11 forms a spiral outside the body 10.
  • a cooling passage the upper end of the body casing 30 is provided with a coolant outlet 32 communicating with the upper end of the spiral groove 11, and the lower end is provided with a coolant inlet 31 communicating with the lower end of the spiral groove 11, working in the mechanical stirring spindle At this time, the coolant inlet 31 communicates with the external refrigeration equipment, and a low-temperature coolant is supplied into the spiral groove 11.
  • the shaft core 20 is connected to the body 10, the lower end cap assembly and the mounting seat 80, and the shaft core 20 is pivotally connected to the body 10 through the upper bearing 41 and the lower bearing 42 respectively located at the upper and lower ends of the body 10.
  • the lower end cap assembly is detachably fixed to the lower end of the body 10,
  • the lower end cap assembly is comprised of a lower end cap 60 and a connector 70 that is removably secured to the lower portion of the lower end cap 60.
  • the mounting seat 80 is detachably fixed to the lower portion of the connecting seat 70 by screws.
  • the mounting seat 80 has a mounting cavity 81 therein.
  • the oil seal 82 is embedded in the mounting cavity 81 and sleeved on the outside of the core 20.
  • the oil seal 82 includes a base 821.
  • the lip 822, the base 821 is made of a metal material with high strength, the lip 822 is fixed on the base 821, and the cymbal is made of a flexible rubber, and the base 821 is fixed on the connecting base 70, and the lip 822 is The self-deformation is sealed to the surface of the shaft core 20.
  • a cooling passage for cooling the oil seal 82 is further provided.
  • an air intake passage 13 is disposed on the body 10.
  • the lower end cover 60 is provided with an air supply passage 61 and an exhaust passage 62, and two air supply passages 61.
  • the ends are respectively communicated with the inner end of the intake passage 13 and the mounting cavity 81, and the outer end of the intake passage 13 is used to open the external cold air output device, and at the same time, the inner end of the exhaust passage 62 communicates with the mounting cavity 81, The outer end portion extends to the outer surface of the lower end cap 60.
  • the cold air is introduced into the intake passage 13, and the cold air is extended to the air supply passage 61 to the installation chamber 81. In the installation chamber 81, the cold air exchanges heat with the oil seal 82, taking away the heat generated when the oil seal 82 is operated, and then passing through the exhaust passage. 62 discharge.
  • an annular air groove 71 may be formed on the upper surface of the connecting seat 70, the upper opening of the annular air groove 71 is covered by the lower end cover 60, and the air supply passage 61 will be the intake passage 13 and the ring shape.
  • the air groove 71 is connected; a first gap 73 is formed between the connecting seat 70 and the shaft core 20, and a second gap 63 is formed between the lower end cover 60 and the shaft core 20. The upper and lower ends of the first gap 73 are respectively separated from the second gap.
  • 63 is connected to the mounting cavity 81.
  • the inner end of the exhaust passage 62 extends to the inner surface of the lower end cover 60 to communicate with the second gap 63.
  • the connecting seat 70 is provided with a plurality of air guiding holes 72, one of the plurality of air guiding holes 72.
  • the end is in communication with the annular gas groove 71 and the other end is in communication with the first gap 73.
  • the air supply passage 61 enters the annular air groove 71, merges in the annular air groove 71, is distributed through the plurality of air guiding holes 72, and is sent to the first gap 73, and then enters the mounting cavity.
  • 81 exchanges heat with the oil seal 82, and the gas after the heat exchange is completed is discharged through the first gap 73, the second gap 63, and the exhaust passage 62.
  • the plurality of air guiding holes 72 may be uniformly distributed on the connecting seat 70, thereby distributing the cold air in the annular air groove 71 to the respective portions of the mounting cavity 81.
  • the air guiding hole 72 may be an inclined arrangement which is inclined downward from the bottom wall of the annular air groove 71 to the inner side wall of the connecting seat 70.
  • the mechanical stirring spindle of the present invention continuously supplies cooling liquid to the inside of the spiral IHJ tank 11 while continuously supplying cold air to the intake passage 13, and the coolant exchanges heat with the body 10 to lower the body 10 and the shaft core.
  • the cold air enters the mounting cavity 81 to lower the temperature of the oil seal 82, so that the body 10, the core 20, the oil seal 82, the lower end cover 60, the connecting seat 70, and other components inside the body 10 can be at a low temperature.
  • Normal operation eliminates the influence of temperature on the various components of the mixing spindle and prolongs the life of the components in the mixing spindle, especially the replacement period of the oil seal 82.
  • the mechanical agitating spindle of the present invention further includes an upper end cover 51 fixed to the upper end of the body 10 and sleeved outside the shaft core 20.
  • the body 10 is internally provided with a spacer 12, an upper bearing 41 and a lower bearing connected to the outside of the shaft core 20. 42 is respectively disposed at an upper end portion and a lower end portion of the spacer 12, a lock nut 52 is screwed to an upper portion of the shaft core 20, and an upper gland assembly 53 is disposed at an upper portion of the upper bearing 41.
  • the upper bearing 41 and the upper gland assembly 53 are defined.
  • a lower gland assembly 54 is disposed at a lower portion of the lower bearing 42.
  • the lower bearing 42 and the lower gland assembly 54 are defined between the lower end cover 60 and the lower end of the spacer 12, and when installed, the lock nut 52 is tightened, and the spacer 12 and the lower gland assembly 54 can be The upper gland assembly 53 is locked, which simplifies the installation process of the mechanical agitation spindle.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mixers Of The Rotary Stirring Type (AREA)
  • Accessories For Mixers (AREA)
  • Sealing Of Bearings (AREA)

Abstract

一种机械搅拌主轴，包括，机体（10），其外表面设有螺旋凹槽（11），机体（10）上开设有一进气通道（13）；套接在机体（10）上机体外套（30），该机体外套（30）上设置有与螺旋凹槽（11）连通的冷却液进口（31）、冷却液出口（32）；轴芯（20），该轴芯（20）通过分别位于机体（10）上、下端部的上轴承（41）和下轴承（42）枢接于机体（10）；固定连接在机体（10）下端部并套设在轴芯（20）外部的下端盖组件，该下端盖组件上开设有排气通道（62）以及与进气通道（13）连通的送气通道（61）；固定在下端盖组件下方的安装座（80），该安装座（80）内部设置有一安装腔（81），安装腔（81）内设置有一固定在安装座上的油封（82），油封（82）套设在轴芯（20）上，且油封（82）上设置有与轴芯（20）密闭贴合的唇片（822）；送气通道（61）和排气通道（62）均与安装腔（81）导通。机械搅拌主轴的各个零部件在低温状态下工作，延长油封的更换周期。

Description

一种机械搅拌主轴 技术领域
本发明涉及一种搅拌设备， 具体涉及一种机械搅拌主轴。 背景技术
机械搅拌主轴通常是安装在搅拌机的搅拌桶顶端部，用于带动搅 拌轴高速的转动， 从而使搅拌轴上的搅拌叶片或分散筒高速的转动， 以使搅拌桶内部的流体物料被充分的搅拌均匀。
传统的机械搅拌主轴包括机体、 通过轴承枢接在机体内部的轴 芯， 轴芯的下端部通过传动键与搅拌轴联接， 轴芯的上端部则与电机 的转轴同步联接， 电机带动轴芯高速的转动； 由于一般搅拌工艺对搅 拌轴的转速要求过高， 因此， 在工作时， 轴芯、 机体发热量较大， 从 而使轴芯和机体长时间的在高温状态下运转，严重的影响了轴芯的转 动速率。
为了解决机械搅拌轴轴芯和机体发热的问题，通常会利用外部的 冷却装置配合轴芯和机体， 降低轴芯和机体工作时的温度，但是这种 结构通常较为复杂， 且搅拌主轴上各零部件难以加工。 发明内容
针对现有技术的不足，本发明的目的旨在于提供一种机械搅拌主 轴， 其结构简单， 便于加工和安装， 并且能够保证轴芯和机体在低温 状态下正常工作。
为实现上述目的， 本发明釆用如下技术方案：
一种机械搅拌主轴， 包括，
机体， 其外表面设置有螺旋凹槽， 机体上开设有一进气通道； 固定的套接在机体上且密闭的封盖在螺旋 iHJ槽开口外部的机体 外套， 该机体外套上设置有与螺旋凹槽一端连通的冷却液进口、 以及 与螺旋凹槽另一端部连通的冷却液出口；
穿接在机体内部的轴芯， 该轴芯通过分别位于机体上、 下端部的 上轴承和下轴承枢接于机体；
固定连接在机体下端部并套设在轴芯外部的下端盖组件 ,该下端 固定在下端盖组件下方并套在轴芯外部的安装座，该安装座内部 设置有一安装腔， 安装腔内设置有一固定在安装座上的油封， 油封套 设在轴芯上， 且油封上设置有与轴芯密闭贴合的唇片； 送气通道和排 气通道均与安装腔导通。
下端盖组件包括下端盖以及固定连接在下端盖下方的连接座，送 气通道和排气通道均设置在下端盖上，连接座上设置有一环形气槽以 及多个导气孔， 送气通道将环形气槽和进气通道连通， 导气孔的一端 连通环形气槽、 另一端连通至连接座与轴芯之间形成的第一间隙， 下 端盖与轴芯之间形成以第二间隙，该第二间隙将第一间隙上端部和排 气通道连通， 第一间隙的下端部与安装腔连通。
多个导气孔在连接座上均勾的分布，且导气孔由环形气槽的底壁 倾斜延伸至连接座的内壁。
安装座通过螺钉可拆卸的连接在连接座上。
油封包括固定在安装座内的基体， 唇片连接在机体上。
该机械搅拌主轴还包括固定在机体上端部并套接在轴芯外部的 上端盖，机体内部设置有一套接在轴芯外部的隔套， 上轴承和下轴承 分别设置在隔套的上端部和下端部， 轴芯的上端部螺接有一锁紧螺 母， 上轴承上部设置有一上压盖组件， 上轴承和上压盖组件被限定在 锁紧螺母和隔套的上端部之间； 下轴承的下部设置有一下压盖组件， 下轴承和下压盖组件被限定在下端盖组件和隔套的下端部之间。
本发明的有益效果在于：
相比于现有技术， 本发明的机械搅拌主轴在工作时， 持续的输入 冷却液和冷气对机体、 油封进行冷却， 冷却液降低了机体、 轴芯以及 机体内部其他零部件的温度， 冷气对油封持续的冷却， 消除了温度对 机械搅拌主轴各个零部件的影响，使机械搅拌主轴的各个零部件在低 温状态下工作， 延长了搅拌主轴中零部件的寿命， 尤其是可以延长油 封的更换周期。 附图说明
图 1为本发明的结构示意图；
图 2为图 1中 A处的放大视图；
图 3为本发明油封的结构示意图；
其中： 10、 机体； 11、 螺旋凹槽； 12、 隔套； 1 3、 进气通道； 20、 轴芯； 30、 机体外套； 31、 冷却液进口； 32、 冷却液出口； 41、 上轴 承； 42、 下轴承； 51、 上端盖； 52、 锁紧螺母； 53、 上压盖组件； 54、 下压盖组件； 60、 下端盖； 61、 送气通道； 62、 排气通道； 63、 第二 间隙； 70、 连接座； 71、 环形气槽； 72、 导气孔； 73、 第一间隙； 80、 安装座； 81、 安装腔； 82、 油封； 821、 基体； 822、 唇片。 具体实施方式
下面， 结合附图以及具体实施方式， 对本发明做进一步描述： 如图 1、 2、 3所示， 为本发明的一种机械搅拌主轴， 其包括机体 10、 机体外套 30、 轴芯 20、 下端盖组件、 安装座 80以及固定在安装 座 80内部的油封 82 , 机体 1 0外表面开设有螺旋凹槽 11 , 机体外套 30套接在机体 10的外部， 且机体外套 30两端与机体 10配合的位置 设置有密封圈， 使机体 10和机体外套 30密闭的结合， 且机体外套 30封盖在机体 10外部的螺旋凹槽 11开口的外部， 使螺旋凹槽 11形 成一个位于机体 10外部呈螺旋状的冷却通道，机体外套 30上端部设 置有与螺旋凹槽 11上端部连通的冷却液出口 32、 下端部则设置有与 螺旋凹槽 11下端部连通的冷却液进口 31 , 在机械搅拌主轴工作时， 该冷却液进口 31与外界的制冷设备连通，向螺旋凹槽 11内部输入低 温的冷却液。
轴芯 20 穿接在机体 10、 下端盖组件以及安装座 80 , 且该轴芯 20通过分别位于机体 10上、 下端部的上轴承 41和下轴承 42枢接在 机体 10上。 下端盖组件以可拆卸的方式固定在机体 10的下端部， 该 下端盖组件由下端盖 60以及以可拆卸的方式固定在下端盖 60下部的 连接座 70。 安装座 80通过螺钉可拆卸的固定在连接座 70的下部， 安装座 80内部具有一安装腔 81 , 油封 82嵌置在安装腔 81中并套在 轴芯 20的外部， 该油封 82包括基体 821以及唇片 822 , 基体 821选 用强度较高的金属材质制成， 唇片 822固定在基体 821上， 其釆用柔 性的胶料制成， 将基体 821固定在连接座 70上， 唇片 822由于其自 身形变与轴芯 20的表面密闭的贴合。
本发明中， 还设置有用于冷却油封 82的冷却通道， 具体的是， 在机体 10上设置有一进气通道 13 , 下端盖 60上设置有一送气通道 61 以及一排气通道 62 , 送气通道 61两端分别与进气通道 13的内侧 端和安装腔 81连通，进气通道 13的外侧端则用于接通外界的冷气输 出设备， 同时， 排气通道 62的内侧端部与安装腔 81连通、 外侧端部 则延伸至下端盖 60的外表面。 向进气通道 13通入冷空气， 冷空气顺 延送气通道 61进入到安装腔 81 , 在安装腔 81中， 冷气与油封 82换 热， 带走油封 82工作时产生的热量， 之后经由排气通道 62排出。
为了便于零部件的加工以及提高冷却效率， 可以在连接座 70上 表面开设一环形气槽 71 , 该环形气槽 71的上部开口被下端盖 60封 盖， 送气通道 61将进气通道 13和环形气槽 71连通； 连接座 70和轴 芯 20之间形成一个第一间隙 73、 下端盖 60与轴芯 20之间形成一第 二间隙 63 , 第一间隙 73的上下端部分别与第二间隙 63和安装腔 81 连通， 排气通道 62 的内侧端延伸至下端盖 60的内表面与第二间隙 63连通， 连接座 70上设置有多个导气孔 72 , 该多个导气孔 72的一 端与环形气槽 71连通、 另一端与第一间隙 73连通。 冷气由进气通道 13输入后， 顺延送气通道 61进入到环形气槽 71中， 在环形气槽 71 中汇流后， 通过多个导气孔 72分配并送到第一间隙 73, 之后进入到 安装腔 81与油封 82换热， 换热完成后的气体顺延第一间隙 73、 第 二间隙 63、 排气通道 62排出。
为了达到均匀散热的目的， 上述的多个导气孔 72可以是均匀的 分布在连接座 70上，从而将环形气槽 71中冷气均勾的分配到安装腔 81 的各个部位。 导气孔 72可以是倾斜的设置， 其是由环形气槽 71 的底壁向下倾斜的延伸至连接座 70的内侧壁。
本发明的机械搅拌主轴在工作时， 持续的向螺旋 IHJ槽 11 内部通 入冷却液的同时， 持续的向进气通道 13输入冷气， 冷却液与机体 10 进行热交换， 降低机体 10以及轴芯 20的温度， 同时， 冷风进入到安 装腔 81中， 降低油封 82的温度， 使机体 10、 轴芯 20、 油封 82、 下 端盖 60、 连接座 70以及机体 10内部的其他部件能够在低温状态下 正常工作， 消除了温度对搅拌主轴各个零部件的影响， 延长了搅拌主 轴中零部件的寿命， 尤其是可以延长油封 82的更换周期。
本发明的机械搅拌主轴还包括有一固定在机体 10上端部并套在 轴芯 20外部的上端盖 51 , 机体 10内部设置有一套接在轴芯 20外部 的隔套 12 , 上轴承 41和下轴承 42分别设置在隔套 12的上端部和下 端部， 轴芯 20的上部螺接有一锁紧螺母 52 , 上轴承 41上部设置有 一上压盖组件 53, 上轴承 41、 上压盖组件 53被限定在锁紧螺母 52 和隔套 12的上端部之间， 下轴承 42的下部设置有一下压盖组件 54 , 下轴承 42、 下压盖组件 54被限定在下端盖 60和隔套 12的下端部之 间， 安装时， 旋紧上述的锁紧螺母 52 , 即可将隔套 12、 下压盖组件 54、 上压盖组件 53锁紧， 简化了机械搅拌主轴的安装过程。
对本领域的技术人员来说， 可根据以上描述的技术方案以及构 思，做出其它各种相应的改变以及形变， 而所有的这些改变以及形变 都应该属于本发明权利要求的保护范围之内。

Claims

权 利 要 求 书
1.一种机械搅拌主轴， 其特征在于， 包括，
机体， 其外表面设置有螺旋凹槽， 机体上开设有一进气通道； 固定的套接在机体上且密闭的封盖在螺旋 iHJ槽开口外部的机体 外套， 该机体外套上设置有与螺旋凹槽一端连通的冷却液进口、 以及 与螺旋凹槽另一端部连通的冷却液出口；
穿接在机体内部的轴芯， 该轴芯通过分别位于机体上、 下端部的 上轴承和下轴承枢接于机体；
固定连接在机体下端部并套设在轴芯外部的下端盖组件 ,该下端 固定在下端盖组件下方并套在轴芯外部的安装座，该安装座内部 设置有一安装腔， 安装腔内设置有一固定在安装座上的油封， 油封套 设在轴芯上， 且油封上设置有与轴芯密闭贴合的唇片； 送气通道和排 气通道均与安装腔导通。
2.如权利要求 1所述的机械搅拌主轴， 其特征在于， 下端盖组件 包括下端盖以及固定连接在下端盖下方的连接座 ,送气通道和排气通 道均设置在下端盖上， 连接座上设置有一环形气槽以及多个导气孔， 送气通道将环形气槽和进气通道连通， 导气孔的一端连通环形气槽、 另一端连通至连接座与轴芯之间形成的第一间隙，下端盖与轴芯之间 形成以第二间隙， 该第二间隙将第一间隙上端部和排气通道连通， 第 一间隙的下端部与安装腔连通。
3.如权利要求 2所述的机械搅拌主轴， 其特征在于， 多个导气孔 在连接座上均勾的分布，且导气孔由环形气槽的底壁倾斜延伸至连接 座的内壁。
4.如权利要求 3所述的机械搅拌主轴， 其特征在于， 安装座通过 螺钉可拆卸的连接在连接座上。
5.如权利要求 1所述的机械搅拌主轴， 其特征在于， 油封包括固 定在安装座内的基体， 唇片连接在机体上。
6.如权利要求 1所述的机械搅拌主轴， 其特征在于， 该机械搅拌 主轴还包括固定在机体上端部并套接在轴芯外部的上端盖，机体内部 设置有一套接在轴芯外部的隔套，上轴承和下轴承分别设置在隔套的 上端部和下端部， 轴芯的上端部螺接有一锁紧螺母， 上轴承上部设置 有一上压盖组件，上轴承和上压盖组件被限定在锁紧螺母和隔套的上 端部之间； 下轴承的下部设置有一下压盖组件， 下轴承和下压盖组件 被限定在下端盖组件和隔套的下端部之间。
PCT/CN2014/079318 2013-12-31 2014-06-06 一种机械搅拌主轴 WO2015100946A1 (zh)

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CN103736419B (zh) * 2013-12-31 2015-08-12 广州市昊志机电股份有限公司 一种机械搅拌主轴
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