WO2015067167A1 - 辊磨机 - Google Patents

辊磨机 Download PDF

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Publication number
WO2015067167A1
WO2015067167A1 PCT/CN2014/090272 CN2014090272W WO2015067167A1 WO 2015067167 A1 WO2015067167 A1 WO 2015067167A1 CN 2014090272 W CN2014090272 W CN 2014090272W WO 2015067167 A1 WO2015067167 A1 WO 2015067167A1
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WO
WIPO (PCT)
Prior art keywords
housing
main shaft
roller mill
spindle
base
Prior art date
Application number
PCT/CN2014/090272
Other languages
English (en)
French (fr)
Inventor
郝志刚
Original Assignee
长沙深湘通用机器有限公司
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.)
Filing date
Publication date
Application filed by 长沙深湘通用机器有限公司 filed Critical 长沙深湘通用机器有限公司
Priority to EP14860641.1A priority Critical patent/EP3090805A4/en
Priority to US15/033,867 priority patent/US10441955B2/en
Publication of WO2015067167A1 publication Critical patent/WO2015067167A1/zh

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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
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/02—Centrifugal pendulum-type mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/06—Mills with rollers forced against the interior of a rotary ring, e.g. under spring action
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/08—Mills with balls or rollers centrifugally forced against the inner surface of a ring, the balls or rollers of which are driven by a centrally arranged member
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C15/14—Edge runners, e.g. Chile mills
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
    • B02C2015/008—Roller drive arrangements

Definitions

  • the present invention relates to the field of pulverizing machinery technology, and in particular to a roller mill.
  • Cidher patent ZL94110912.7 discloses a roller mill comprising a grinding disc, a grinding roller, a spindle, a bracket, a base and upper and lower casings.
  • the grinding disc is located in the lower casing, and the grinding roller is arranged above the grinding disc through the bracket, and the bracket is mounted on the base by the driving spindle and is located in the upper casing.
  • the bracket is driven by a main shaft and a pulley.
  • a hopper is arranged on the base, and a discharge sleeve is arranged under the lower casing, and an adjustable gap exists between the grinding surface of the grinding disc and the grinding roller to form a gap-type running-in surface.
  • the spindle mounted on the upper part rotates, the spindle drives the bracket to rotate, and the bracket drives the several grinding rollers distributed on the periphery thereof to revolve.
  • the grinding disc does not rotate.
  • the grinding roller will be revolved and rotated under the driving of the friction torque, so that the material will be crushed under the rolling of the grinding roller and the grinding disc.
  • An elastic mechanism is arranged on the connecting screw between the upper and lower casings to solve the problem of preventing excessive material from entering between the grinding surface and the grinding roller.
  • the present invention is directed to a roller mill having a simple structure and capable of easily adjusting a rolling gap.
  • the present invention provides a roll mill comprising: a housing having a feed opening and a discharge opening; a spindle rotatably disposed in the housing; and a driving device coupled to the spindle drive a bracket mounted on the main shaft; two or more grinding rollers, each of which is rotatably mounted on the bracket about its own axis; the grinding disc is fixedly mounted in the housing and opposite to the position of the plurality of grinding rollers
  • the roller mill further includes an axial position adjusting device coupled to the spindle and configured to drive the spindle to move axially to adjust the position of the spindle.
  • the axial position adjusting device is a hydraulic cylinder
  • the hydraulic cylinder is arranged in a vertical direction, and comprises a cylinder body, a piston rod and a piston.
  • the cylinder body is fixedly arranged, and the piston divides the inner cavity of the cylinder body into an upper chamber and a lower chamber, and the piston
  • the rod is movably coupled to the spindle and drives the spindle to move axially to adjust the position of the spindle.
  • the roll mill of the present invention further includes: a resetting means for applying a restoring force in the axial direction to the main shaft which is moved in the axial direction.
  • the resetting device includes an accumulator that is in communication with the upper chamber.
  • the roller mill of the present invention further comprises: a base, the housing support is disposed on the base, the main shaft is supported by the base, and the main shaft has a free end located in the housing; the driving device and the hydraulic cylinder of the roller mill are located Below the base, the piston rod extends upwards and is movably connected to the spindle by a drive and can move the spindle axially.
  • the roller mill of the present invention further comprises: a base, the housing support is disposed on the base, the main shaft is supported by the base and the top cover of the housing; the driving device and the hydraulic cylinder of the roller mill are both located at the base The lower part is located above the housing, and the piston rod is movably connected to the main shaft by the driving device and can drive the main shaft to move axially.
  • the hydraulic cylinder is located on the side of the driving device away from the grinding roller.
  • the roller mill of the present invention further comprises: a base, the housing support is disposed on the base, the main shaft is supported by the base and the top cover of the housing; the driving device of the roller mill is located above the housing, the hydraulic cylinder Located below the base, the piston rod is movably connected to the spindle.
  • the roller mill of the present invention further comprises: a base, the housing support is disposed on the base, the main shaft is supported by the base and the top cover of the housing; the driving device of the roller mill is located below the base, the hydraulic cylinder Located above the housing, and the piston rod is movably connected to the main shaft.
  • the main shaft is supported by the top cover of the housing, the main shaft has a free end located in the housing, the driving device and the hydraulic cylinder are located above the housing, the piston rod extends downward and the main shaft is movably connected by the driving device and can drive the main shaft Axial movement.
  • each grinding roller is mounted on the bracket by a rocker arm mechanism
  • the rocker arm mechanism comprises: a hinge seat disposed on the bracket; the rocker arm includes first and second arms connected to each other, and the grinding roller is mounted on the first arm Upper, the first arm and the second arm are bent and connected, the connection between the first arm and the second arm is hinged on the hinge; the limiting device is connected to the second arm to adjust the second arm and the bracket
  • the distance between the limiting device includes a first bolt disposed on the rocker arm and a first nut connected to the first bolt, the bolt head of the first bolt is located between the rocker arm and the bracket, and the first nut is located at the rocker arm
  • one or more spacers are disposed between the bolt head and the rocker arm of the first bolt;
  • the elastic device has an elastic member that applies a pressure toward the second arm toward the bracket, and the elastic device includes the bracket And on the rocker a second bolt and a second nut connected to the second bolt, the bolt head of the second bolt is located
  • the roller mill further comprises: a base, the housing support is arranged on the base, the main shaft is supported by the base and the top cover of the housing, and the axial position adjusting device of the roller mill is two, two axial directions
  • the position adjusting devices are respectively coupled or connected with both ends of the main shaft and are used to drive the main shaft to move in the axial direction to adjust the position of the main shaft.
  • the roller mill further comprises: a base, the housing support is arranged on the base, the main shaft is supported by the base and the top cover of the housing; the axial position adjusting device of the roller mill is matched or connected with the lower end of the main shaft In order to drive the spindle to move in the axial direction to adjust the position of the spindle, the reset device is located at the upper end of the spindle.
  • the axial position adjusting device can drive the main shaft to move in the axial direction to adjust the position of the main shaft, thereby driving the grinding roller to move in the vertical direction, which is convenient. Adjust the rolling gap between the grinding roller and the grinding disc.
  • the roller mill of the invention has simple structure and convenient adjustment.
  • Figure 1 is a schematic view showing the structure of a first embodiment of a roll mill according to the present invention
  • Figure 2 is a schematic view showing the structure of a hydraulic cylinder and an accumulator according to a second embodiment of the roller mill according to the present invention
  • Figure 3 is a schematic view showing the structure of a third embodiment of a roller mill according to the present invention.
  • Figure 4 is a schematic view showing the structure of a fifth embodiment of a roller mill according to the present invention.
  • Figure 5 is a schematic view showing the structure of a seventh embodiment of a roll mill according to the present invention.
  • Figure 6 is a schematic view showing the structure of the hydraulic cylinder and the accumulator of the roller mill of Figure 5;
  • Figure 7 is a schematic view showing the mounting of the grinding roller of the eighth embodiment of the roller mill according to the present invention.
  • Fig. 8 is a view showing the mounting of the grinding roller of the ninth embodiment of the roll mill according to the present invention.
  • a roller mill according to Embodiment 1 of the present application includes: a housing 10, a spindle 20, a driving device 30, a bracket 40, two or more grinding rollers 50, a grinding disc 60, and an axial position.
  • the device 70 and the base 80 are adjusted.
  • the axial position adjusting device 70 may include a screw mechanism, or may include a spacer mechanism, may be a hydraulic cylinder, or the like, or may be other combinations therebetween.
  • the housing 10 is supported on the base 80.
  • the housing 10 includes a cover that is sequentially connected from top to bottom, a first housing 10a and a second housing 10b.
  • the first housing and the second housing may also be As a unitary structure.
  • the cover is provided with a feed opening 11 and the second housing is provided with a discharge opening 12.
  • the main shaft 20 is rotatably disposed within the housing 10, and the main shaft 20 is supported by a base 80 having a free end located within the housing 10.
  • the drive unit 30 is drivingly coupled to the spindle 20 for driving the spindle 20 to rotate.
  • the bracket 40 is mounted on the main shaft 20 and can rotate synchronously with the main shaft 20.
  • Each of the grinding rollers 50 is rotatably mounted on the bracket 40 about its own axis, that is, the grinding roller 50 can revolve around the center line of the main shaft 20. It also rotates around the center line of the grinding roller 50 itself.
  • the grinding disc 60 is fixedly mounted in the housing 10 and opposed to the plurality of grinding rolls 50, and cooperates with the grinding rolls 50 to complete the rolling of the material.
  • the axial position adjusting means includes a hydraulic cylinder 70a.
  • the hydraulic cylinder 70a is arranged in a vertical direction, and the hydraulic cylinder 70a includes a cylinder block 71, a piston rod 72, and a piston 73, and the cylinder block 71 is fixedly disposed.
  • the drive unit 30 and the hydraulic cylinder 70a are both located below the base 80.
  • the piston rod 72 extends upwardly and movably connects the main shaft 20 through the drive unit 30 and drives the main shaft 20 to move in the axial direction.
  • the above movable connection means that the piston rod 72 is stationary and does not rotate, and the main shaft 20 is rotated. This movable connection can be realized by adding a mechanical rotary switching device between the main shaft 20 and the piston rod 72.
  • the hydraulic cylinder 70a can drive the main shaft 20 to move in the axial direction to adjust the position of the main shaft 20, thereby enabling the grinding roller 50 to move in the vertical direction, which is convenient.
  • the rolling gap between the grinding roller 50 and the grinding disc 60 is adjusted.
  • the roller mill of the embodiment has a simple structure and convenient adjustment.
  • the position of the adjustment spindle 20 may be a set position, or may be a changed position formed by continuous movement or discontinuous movement during the rolling process.
  • the axial position adjustment device 70 can also rotate in synchronization with the main shaft 20, in which case there is no need for an active connection between the two, and a fixed connection is also possible.
  • the roller mill according to the second embodiment of the present application includes: a housing 10, a spindle 20, a driving device 30, a bracket 40, a plurality of grinding rollers 50, a grinding disc 60, an axial position adjusting device 70, and a reset. Device and housing 80.
  • a reset device is added, which is capable of applying a restoring force in the axial direction to the main shaft 20 that has been moved in the axial direction. In this way, in addition to being able to adjust the position of the main shaft 20, that is, a reasonable rolling gap, it is also possible to reset and adjust the wear gap between the grinding roller and the grinding disc during use.
  • the axial position adjusting device includes a hydraulic cylinder 70a, and the reset device is the accumulator 100.
  • the reset device may also be a spring structure, a cylinder mechanism or the like. The magnitude of the restoring force set by the resetting device actually limits or determines the amount of pressure of the grinding roller 50 against the grinding disc 60.
  • the hydraulic cylinder 70a is arranged in a vertical direction, and includes a cylinder block 71, a piston rod 72 and a piston 73.
  • the cylinder block 71 is fixedly disposed, and the piston 73 divides the inner cavity of the cylinder block 71 into an upper chamber 71a and a lower chamber.
  • 71b as shown in Fig. 2, in the present embodiment, the upper chamber 71a has a rod cavity, and the lower chamber 71b has a rodless chamber.
  • the accumulator 100 is in communication with the upper chamber 71a.
  • the drive unit 30 and the hydraulic cylinder 70a are both located below the base 80.
  • the piston rod 72 extends upwardly and movably connects the main shaft 20 through the drive unit 30 and drives the main shaft 20 to move in the axial direction.
  • the piston rod 72 of the hydraulic cylinder 70a can drive the main shaft 20 to move in the axial direction to adjust the proper setting position of the main shaft 20, thereby enabling the grinding roller 50 to move in the vertical direction, so that the grinding can be conveniently adjusted.
  • the rolling gap between the roller 50 and the grinding disc 60 either adjusts or compensates for the increased clearance between the grinding roller 50 and the grinding disc 60 after wear.
  • the holding pressure of the hydraulic cylinder 70a can give the grinding roller 50 a working pressure.
  • the pressure of the air bag in the accumulator 100 forces the hydraulic oil to push the piston 73 and the piston rod 72 to apply an axial restoring force to the main shaft 20 that moves axially away from the set position to cause the main shaft 20
  • the rolling gap between the grinding roller 50 and the grinding disc 60 is restored and the normal operation of the rolling material is continued. If the gap between the grinding roller 50 and the grinding disc 60 is adjusted to be small and the material layer is thicker, the grinding roller 50, the bracket 40 and the main shaft 20 will compress the hydraulic oil in the upper chamber 71a according to the thickness and size of the material layer.
  • the roller mill of the second embodiment has a simple structure and can automatically adjust the rolling gap.
  • the roller mill of the second embodiment further comprises: a spreading disc 90 mounted on the main shaft 20 and moving synchronously with the main shaft 20, the spreading disc 90 being located above the bracket 40.
  • the material to be pulverized is fed into the feeding port 11 and falls on the spreading disc 90 which rotates synchronously with the spindle 20, and the rotating spreading disc 90 distributes the material to the first
  • the periphery of a casing falls between the grinding roller 50 and the grinding disc 60 on which the second casing is mounted.
  • the roller 50 is wound by the friction torque under the action of the friction roller 50
  • the center line of the main shaft 20 revolves and rotates around its own center line. The material is crushed by the grinding roller 50 from the top to the bottom of the grinding disc 60 for a plurality of times, and finally discharged from the discharge port 12.
  • the roller mill according to the third embodiment of the present application includes: a housing 10, a spindle 20, a driving device 30, a bracket 40, a plurality of grinding rollers 50, a grinding disc 60, an axial position adjusting device 70, and a reset.
  • Device and housing 80 The axial position adjustment device includes a hydraulic cylinder 70a, and the reset device is an accumulator 100.
  • the third embodiment differs from the second embodiment only in that the main shaft 20 is supported by the base 80 and the top cover of the casing 10.
  • the driving device 30 and the hydraulic cylinder 70a are both located below the base 80, and the piston rod 72 passes through the driving device.
  • the spindle 20 is coupled to the spindle 20 and moves the spindle 20 in the axial direction.
  • the hydraulic cylinder 70a is located on the side of the drive unit 30 remote from the grinding roller 50.
  • the working principle of the embodiment is basically the same as that of the second embodiment, and details are not described herein again.
  • the main shaft 20 is supported by the base 80 and the top cover of the casing 10.
  • the fourth embodiment differs from the third embodiment only in the driving device.
  • Both the 30 and the axial device adjustment device 70 are located above the housing 10.
  • the structure of the hydraulic cylinder 70a is as shown in Fig. 6.
  • the upper chamber 71a is a rodless chamber
  • the lower chamber 71b is a rod chamber.
  • the working principle of the hydraulic cylinder 70a of the above embodiment is the same.
  • the hydraulic oil in the upper chamber 71a When a large unbreakable material such as iron or the like enters between the grinding roller 50 and the grinding disc 60, the hydraulic oil in the upper chamber 71a is pressed to the upper side.
  • the chamber 71a communicates with the accumulator 100, thereby moving the piston rod 72 upwardly to drive the grinding roller 50 upward to increase the gap between the grinding roller 50 and the grinding disc 60 to allow the jammed iron or the like to pass.
  • the roller mill according to Embodiment 5 of the present application includes: a housing 10, a spindle 20, a driving device 30, a bracket 40, two or more grinding rollers 50, a grinding disc 60, and an axial position.
  • the adjusting device 70, the reset device and the base 80 are provided.
  • the axial position adjustment device includes a hydraulic cylinder 70a, and the reset device is an accumulator 100.
  • the main shaft 20 is supported by the base 80 and the top cover of the casing 10.
  • the fifth embodiment differs from the fourth embodiment only in that the driving device 30 is located above the casing 10, the hydraulic cylinder 70a is located below the casing 80, and the piston rod 72 is It is movably connected to the spindle 20.
  • the main shaft 20 is supported by the base 80 and the top cover of the casing 10.
  • the sixth embodiment differs from the fifth embodiment only in the driving device. 30 is located below the base 80, the hydraulic cylinder 70a is located above the housing 10, and the piston rod 72 is movably coupled to the main shaft 20.
  • the roller mill according to Embodiment 7 of the present application includes: a housing 10, a spindle 20, a driving device 30, a bracket 40, two or more grinding rollers 50, a grinding disc 60, and an axial position.
  • the axial position adjustment device 70 includes a hydraulic cylinder 70a, and the reset device is an accumulator 100.
  • the seventh embodiment differs from the fifth embodiment in that there is no base 80 in the seventh embodiment, the main shaft 20 is supported by the top cover of the casing 10, and the main shaft 20 has a lower end in the casing 10, and the driving device 30
  • the hydraulic cylinder 70 is located above the housing 10, and the piston rod 72 extends downwardly and movably connects the spindle 20 through the driving device 30 and drives the spindle 20 to move in the axial direction.
  • This articulation can be achieved by a mechanical rotary switching device that converts one end of the rotation to a device that does not rotate at the other end.
  • Fig. 6 shows the structure of the hydraulic cylinder 70a of the seventh embodiment, in which the upper chamber 71a is a rodless chamber and the lower chamber 71b is a rod chamber.
  • each of the grinding rollers 50 is mounted on the bracket 40 by a rocker arm mechanism.
  • the rocker arm mechanism includes a hinge 411, a rocker arm 412, a limiting device 413, and an elastic device 414.
  • the hinge 411 is disposed on the bracket 40.
  • the rocker arm 412 includes a first arm 412a and a second arm 412b connected to each other.
  • the grinding roller 50 is mounted on the first arm 412a, and the first arm 412a and the second arm 412b are bent and connected, and the first arm 412a and the first arm
  • the joint of the two arms 412b is hinged to the hinge 411.
  • the limiting device 413 is coupled to the second arm 412b to adjust the distance between the second arm 412b and the bracket 40 to adjust the gap size between the grinding roller 50 and the grinding disc 60, and the elastic device 414 has an orientation toward the second arm 412b.
  • the elastic member of the pressure of 40, the elastic means 414 can be used to pressurize the grinding roller 50.
  • the support of the spindle 20 of the roller mill of the seventh embodiment can be carried out by the support of any of the above embodiments.
  • the limiting device 413 includes a first bolt that is disposed on the rocker arm 412 and a first nut that is coupled to the first bolt.
  • the bolt head of the first bolt is located on the rocker arm 412 and the bracket 40.
  • the elastic device 414 includes a second bolt that is disposed on the bracket 40 and the rocker arm 412 and a second nut that is coupled to the second bolt.
  • the bolt head of the second bolt is located below the bracket 40, and the second nut is located at the rocker arm 412. Above, an elastic member is disposed between the second nut and the rocker arm 412.
  • Chinese Patent No. ZL99233773.9 discloses a vertical roller mill with a grinding roller 50.
  • the mounting method is similar to that of the fifth embodiment, but in this patent, the positioning device is placed in the lower portion of the bracket, and the elastic device is placed in the lower annular groove of the bracket.
  • the roller mill according to Embodiment 9 of the present application includes a housing 10, a spindle 20, a driving device 30, a bracket 40, a plurality of grinding rollers 50, a grinding disc 60, and two axial position adjusting devices 70. And the base 80.
  • the two ends of the main shaft 20 are respectively supported by the top cover of the casing 10 and the base 80.
  • the two axial position adjusting devices 70 are respectively disposed at two ends of the main shaft 20 and are matched or connected with the two ends.
  • the axial position adjusting device 70 may be a hydraulic cylinder, a screw mechanism or a gasket device, and the upper axial position adjusting device 70 may be a hydraulic cylinder with an accumulator.
  • the reset device can be an accumulator, a cylinder device, or a spring device.
  • the axial position adjusting means can be adjusted to shift the position of the main shaft 20 to increase or decrease the gap between the grinding roller 50 and the grinding disc 60.
  • the axial position adjusting device may also be disposed on the top cover of the casing 10 and the upper portion of the driving device 30, and the reset device is disposed at the lower portion of the frame 80, the effect of which is the same as that of the embodiment IX. To.
  • the above roller mill has a simple structure and can be automatically controlled or manually controlled, so that the roller mill can conveniently or automatically adjust the gap between the grinding roller and the grinding disc.
  • the automatic adjustment can be realized after adopting the technical solution of the present application, thereby eliminating a large amount of labor and heavy labor of workers.

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

Abstract

一种辊磨机，包括：壳体（10），壳体（10）设有进料口（11）和出料口（12）；主轴（20），可转动地穿设在壳体（10）内；驱动装置（30），与主轴（20）驱动连接；支架（40），安装在主轴（20）上；两个或两个以上的磨辊（50），各磨辊（50）绕其自身轴心线可转动地安装在支架（40）上；磨盘（60），固定安装在壳体（10）内，并与多个磨辊（50）位置相对，辊磨机还包括：轴向位置调整装置（70），与主轴（20）连接并用于驱使主轴（20）沿轴向移动，以调整主轴（20）的位置。该辊磨机结构简单并能够方便地调整碾压间隙。

Description

辊磨机 技术领域
本发明涉及粉碎机械技术领域，具体而言，涉及一种辊磨机。
背景技术
中国专利ZL94110912.7公开了一种辊式磨机，该辊式磨机包括磨盘、磨辊、主轴、支架、机座和上下机壳。磨盘位于下机壳内，在磨盘上方通过支架活动装有磨辊，支架通过驱动主轴装在机座上并位于上机壳内。支架由主轴、皮带轮驱动。在机座上装有料斗，下机壳的下面装有出料套管，磨盘的磨面与磨辊之间存在可调节的间隙而构成间隙式磨合面。当装于上部的主轴旋转时，主轴带动支架旋转，支架又带动分布于其周边上的几个磨辊公转。磨盘不转动，当与磨辊对应的磨盘上有物料通过时，磨辊将在摩擦力矩的带动下而既公转又自转，这样物料将在磨辊与磨盘的碾压下而获得粉碎。在上下机壳之间的连接螺钉上装有弹性机构，以解决防止过大物料进入磨面与磨辊之间发生卡死的问题。
上述专利存在以下问题：
1、在壳体外部设调节螺钉和有弹性机构会造成结构复杂，而且几个外壳体之间需要导向、定位等使制造要求高、加工量大，另外增加了设备的多种故障的可能性。
2、设备的调节和调整大部分需要许多人工调整，并且需要停机后调整，这样增强了劳动强度和浪费了生产时间。
发明内容
本发明旨在提供一种结构简单并能够方便地调整碾压间隙的辊磨机。
为了实现上述目的，本发明提供了一种辊磨机，包括：壳体，壳体设有进料口和出料口；主轴，可转动地穿设在壳体内；驱动装置，与主轴驱动连接；支架，安装在主轴上；两个或两个以上的磨辊，各磨辊绕其自身轴心线可转动地安装在支架上；磨盘，固定安装在壳体内并与多个磨辊位置相对，辊磨机还包括：轴向位置调整装置，与主轴连接并用于驱使主轴沿轴向移动以调整主轴的位置。
进一步地，轴向位置调整装置为液压缸，液压缸沿竖直方向布置，包括缸体、活塞杆和活塞，缸体固定设置，活塞将缸体的内腔分为上腔和下腔，活塞杆与主轴活动连接并驱使主轴沿轴向移动以调整主轴的位置。
进一步地，本发明的辊磨机还包括：复位装置，对沿轴向移动后的主轴施加沿轴向的回复力。
进一步地，复位装置包括蓄能器，蓄能器与上腔连通。
进一步地，本发明的辊磨机还包括：机座，壳体支撑设置在机座上，主轴由机座支承，主轴具有位于壳体内的自由端；辊磨机的驱动装置和液压缸均位于机座的下方，活塞杆向上延伸并通过驱动装置活动连接主轴并能够带动主轴沿轴向移动。
进一步地，本发明的辊磨机还包括：机座，壳体支撑设置在机座上，主轴由机座和壳体的顶盖支承；辊磨机的驱动装置和液压缸均位于机座的下方或者均位于壳体的上方，并且，活塞杆通过驱动装置活动连接主轴并能够带动主轴轴向移动，液压缸位于驱动装置的远离磨辊的一侧。
进一步地，本发明的辊磨机还包括：机座，壳体支撑设置在机座上，主轴由机座和壳体的顶盖支承；辊磨机的驱动装置位于壳体的上方，液压缸位于机座的下方，活塞杆与主轴活动连接。
进一步地，本发明的辊磨机还包括：机座，壳体支撑设置在机座上，主轴由机座和壳体的顶盖支承；辊磨机的驱动装置位于机座的下方，液压缸位于壳体的上方，并且，活塞杆与主轴活动连接。
进一步地，主轴由壳体的顶盖支承，主轴具有位于壳体内的自由端，驱动装置和液压缸均位于壳体的上方，活塞杆向下延伸并通过驱动装置活动连接主轴并能够带动主轴沿轴向移动。
进一步地，各磨辊通过摇臂机构安装在支架上，摇臂机构包括：铰座，设置在支架上；摇臂，包括相互连接的第一臂和第二臂，磨辊安装在第一臂上，第一臂和第二臂之间弯折过渡连接，第一臂和第二臂的连接处铰接在铰座上；限位装置，连接在第二臂上以调节第二臂和支架之间的距离，限位装置包括穿设在摇臂上的第一螺栓和连接在第一螺栓上的第一螺母，第一螺栓的螺栓头位于摇臂和支架之间，第一螺母位于摇臂的上方，第一螺栓的螺栓头和摇臂之间可选择地设有一个或多个垫片；弹性装置，具有向第二臂施加朝向支架的压力的弹性件，弹性装置包括穿设在支架和摇臂上的第 二螺栓和连接在第二螺栓上的第二螺母，第二螺栓的螺栓头位于支架的下方，第二螺母位于摇臂的上方，第二螺母和摇臂之间设有弹性件。
进一步地，辊磨机还包括：机座，壳体支撑设置在机座上，主轴由机座和壳体的顶盖支承，辊磨机的轴向位置调整装置为两个，两个轴向位置调整装置分别与主轴的两端配合或连接并用于驱使主轴沿轴向移动以调整主轴的位置。
进一步地，辊磨机还包括：机座，壳体支撑设置在机座上，主轴由机座和壳体的顶盖支承；辊磨机的轴向位置调整装置与主轴的下端配合或连接并用于驱使主轴沿轴向移动以调整主轴的位置，复位装置位于主轴的上端。
应用本发明的技术方案，由于设置了轴向位置调整装置，通过轴向位置调整装置能够驱使主轴沿轴向移动以调整主轴的位置，进而能够带动磨辊沿竖直方向移动，这样就能够方便地调节磨辊和磨盘之间的碾压间隙。本发明的辊磨机结构简单、调整方便。
附图说明
构成本申请的一部分的说明书附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：
图1示出了根据本发明的辊磨机的实施例一的结构示意图；
图2示出了根据本发明的辊磨机的实施例二的液压缸和蓄能器的结构示意图；
图3示出了根据本发明的辊磨机的实施例三的结构示意图；
图4示出了根据本发明的辊磨机的实施例五的结构示意图；
图5示出了根据本发明的辊磨机的实施例七的结构示意图；
图6示出了图5的辊磨机的液压缸和蓄能器的结构示意图；
图7示出了根据本发明的辊磨机的实施例八的磨辊安装示意图；以及
图8示出了根据本发明的辊磨机的实施例九的磨辊安装示意图。
具体实施方式
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。
如图1所示，根据本申请的实施例一的辊磨机包括：壳体10、主轴20、驱动装置30、支架40、两个或两个以上的磨辊50、磨盘60、轴向位置调整装置70和机座80。轴向位置调整装置70可包括螺旋机构，或者包括垫片机构，也可以为液压缸等，还可以是它们之间其它的组合方式。
壳体10支撑设置在机座80上，壳体10包括由上而下设置依次连接的的机盖、第一壳体10a和第二壳体10b，第一壳体和第二壳体也可以为一体结构。机盖上设有进料口11，第二壳体上设有出料口12。主轴20可转动地穿设在壳体10内，主轴20由机座80支承，主轴20具有位于壳体10内的自由端。驱动装置30与主轴20驱动连接，用于驱动主轴20转动。支架40安装在主轴20上，能够随主轴20同步转动，各磨辊50绕其自身轴心线可转动地安装在支架40上，也就是说磨辊50既能够绕主轴20的中心线公转，又绕磨辊50自身的中心线自转。磨盘60固定安装在壳体10内并与多个磨辊50位置相对，与磨辊50配合以完成物料的碾压。
如图2所示，在实施例一中，轴向位置调整装置包括液压缸70a。液压缸70a沿竖直方向布置，液压缸70a包括缸体71、活塞杆72和活塞73，缸体71固定设置。驱动装置30和液压缸70a均位于机座80的下方，活塞杆72向上延伸并通过驱动装置30活动连接主轴20并带动主轴20沿轴向移动。上述活动连接是指活塞杆72为静止的，不会转动，而主轴20是转动的，这种活动连接可以通过在主轴20和活塞杆72之间加入一种机械旋转转换装置来实现。
应用实施例一的技术方案，由于设置了液压缸70a，通过液压缸70a能够驱使主轴20沿轴向移动以调整主轴20的位置，进而能够带动磨辊50沿竖直方向移动，这样就能够方便地调节磨辊50和磨盘60之间的碾压间隙。本实施例的辊磨机结构简单、调整方便。上述调整主轴20的位置可以是一个设定的位置，也可以是在碾压过程中连续移动或不连续移动从而形成的变化的位置。
在其他实施方式中，轴向位置调整装置70也可以与主轴20同步转动，此时两者之间无需活动连接，固定连接也是可行的。
如图2所示，根据本申请的实施例二的辊磨机包括：壳体10、主轴20、驱动装置30、支架40、多个磨辊50、磨盘60、轴向位置调整装置70、复位装置和机座80。实 施例二与实施例一的区别仅在于，增设了复位装置，该复位装置能够对沿轴向移动后的主轴20施加沿轴向的回复力。这样，除了能够调整主轴20的位置即合理的碾压间隙外，还能够在使用过程中对磨辊与磨盘之间磨损间隙变大后进行复位调整。在实施例二中，轴向位置调整装置包括液压缸70a，复位装置为蓄能器100。在其他图中未示出的实施方式中，复位装置也可以为弹簧结构、气缸机构等。复位装置设置的回复力的大小实际上是限制或确定了磨辊50对磨盘60的压力大小。
如图2所示，液压缸70a沿竖直方向布置，包括缸体71、活塞杆72和活塞73，缸体71固定设置，活塞73将缸体71的内腔分为上腔71a和下腔71b，如图2所示，在本实施例中，上腔71a为有杆腔，下腔71b为无杆腔。蓄能器100与上腔71a连通。驱动装置30和液压缸70a均位于机座80的下方，活塞杆72向上延伸并通过驱动装置30活动连接主轴20并带动主轴20沿轴向移动。
在实施例二中，液压缸70a的活塞杆72能够驱使主轴20沿轴向移动以调整主轴20适宜的设定位置，进而能够带动磨辊50沿竖直方向移动，这样就能够方便地调节磨辊50和磨盘60之间的碾压间隙，或者调整或补偿磨辊50和磨盘60磨损后二者之间增大的间隙。同时液压缸70a的保压能够给予磨辊50施以工作压力。当有较大的不可破碎物比如杂铁等进入磨辊50和磨盘60之间时，磨辊50产生较大的轴向力会迫使主轴20作轴向运动远离设定位置，主轴20此时便会压缩上腔71a内的液压油，上述液压油被挤压至与上腔71a连通的蓄能器100内压缩其内部充有压力气体的气囊，从而使活塞杆72向上移动进而带动磨辊50向上移动以便增大磨辊50和磨盘60之间的间隙让杂铁等通过。杂铁等排除后，蓄能器100内的气囊的压力迫使液压油推动活塞73及活塞杆72以对沿轴向移动远离设定位置后的主轴20施加沿轴向的回复力以使主轴20回到设定位置进而使得磨辊50和磨盘60之间的碾压间隙恢复并继续正常工作碾压物料。如果将磨辊50与磨盘60的间隙调整得较小而物料层又较厚时，磨辊50、支架40和主轴20将会随物料层的厚薄及粒度大小而压缩上腔71a内的液压油从而产生上、下起复的轴向运动，磨辊50也在这种波动的状况下粉碎物料。由此可知，实施例二的辊磨机结构简单并能够自动调整碾压间隙。优选地，实施例二的辊磨机的还包括：撒料盘90，安装在主轴20上并与主轴20同步运动，撒料盘90位于支架40的上方。
实施例二的辊磨机的工作过程如下：
当主轴20由驱动装置30驱动旋转后，待粉碎的物料由进料口11中给入并落在随主轴20同步旋转的撒料盘90之上，旋转的撒料盘90将物料分配至第一外壳的四周并落入磨辊50与安装第二外壳上的磨盘60之间，磨辊50与磨盘60之间有间隙，2个及2个以上在周边分布装在支架6之上的磨辊50在摩擦力矩的作用下，磨辊50既绕 主轴20的中心线公转，又绕本身的中心线自转，物料从磨盘60从上至下多次受到磨辊50的碾压而粉碎，最后从出料口12排出。
如图3所示，根据本申请的实施例三的辊磨机包括：壳体10、主轴20、驱动装置30、支架40、多个磨辊50、磨盘60、轴向位置调整装置70、复位装置和机座80。轴向位置调整装置包括液压缸70a，复位装置为蓄能器100。实施例三与实施例二的区别仅在于，主轴20由机座80和壳体10的顶盖支承，驱动装置30和液压缸70a均位于机座80的下方，并且，活塞杆72通过驱动装置30的连接主轴20并带动主轴20沿轴向移动，液压缸70a位于驱动装置30的远离磨辊50的一侧。本实施例的工作原理与实施例二的基本相同，在此不再赘述。
在图中未示出的实施例四中，与实施例三的结构相似，主轴20由机座80和壳体10的顶盖支承，该实施例四与实施例三的区别仅在于：驱动装置30和轴向装置调整装置70均位于壳体10的上方。当轴向位置调整装置采用液压缸70a并液压缸70a位于上方时，液压缸70a的结构如图6所示，此时上腔71a为无杆腔，下腔71b为有杆腔。与上述实施例的液压缸70a的工作原理相同，当有较大的不可破碎物比如杂铁等进入磨辊50和磨盘60之间时，上腔71a内的液压油会被挤压至与上腔71a连通的蓄能器100内，从而使活塞杆72向上移动进而带动磨辊50向上移动以便增大磨辊50和磨盘60之间的间隙让卡塞的杂铁等通过。
如图4所示，根据本申请的实施例五的辊磨机包括：壳体10、主轴20、驱动装置30、支架40、两个或两个以上的磨辊50、磨盘60、轴向位置调整装置70、复位装置和机座80。轴向位置调整装置包括液压缸70a，复位装置为蓄能器100。主轴20由机座80和壳体10的顶盖支承，实施例五与实施例四的区别仅在于，驱动装置30位于壳体10的上方，液压缸70a位于机座80的下方，活塞杆72与主轴20活动连接。
在图中未示出的实施例六中，与实施例五的结构相似，主轴20由机座80和壳体10的顶盖支承，该实施例六与实施例五的区别仅在于：驱动装置30位于机座80的下方，液压缸70a位于壳体10的上方，并且，活塞杆72与主轴20活动连接。
如图5所示，根据本申请的实施例七的辊磨机包括：壳体10、主轴20、驱动装置30、支架40、两个或两个以上的磨辊50、磨盘60、轴向位置调整装置70和复位装置。轴向位置调整装置70包括液压缸70a，复位装置为蓄能器100。实施例七与实施例五的区别之处在于，实施例七中没有机座80，主轴20由壳体10的顶盖支承，主轴20具有在壳体10内的下部的自由端，驱动装置30和液压缸70均位于壳体10的上方，活塞杆72向下延伸并通过驱动装置30后活动连接主轴20并带动主轴20沿轴向移动。 这种活动连接可由一种机械旋转转换装置，即将旋转的一端转变为另一端不旋转的装置来实现。图6示出了实施例七的液压缸70a的结构，此时上腔71a为无杆腔，下腔71b为有杆腔。
如图7所示，根据本申请的实施例八的辊磨机与上述实施例的区别在于磨辊50固定在支架40上的方式。在实施例八中，各磨辊50通过摇臂机构安装在支架40上，摇臂机构包括：铰座411、摇臂412、限位装置413和弹性装置414。铰座411设置在支架40上。摇臂412包括相互连接的第一臂412a和第二臂412b，磨辊50安装在第一臂412a上，第一臂412a和第二臂412b之间弯折过渡连接，第一臂412a和第二臂412b的连接处铰接在铰座411上。限位装置413连接在第二臂412b上以调节第二臂412b和支架40之间的距离以调节磨辊50和磨盘60之间的间隙大小，弹性装置414具有向第二臂412b施加朝向支架40的压力的弹性件，弹性装置414可以用于对磨辊50的加压。实施例七的辊磨机的主轴20支承方式可以采用上述任一实施例的支承方式。
具体地，在本实施例中，限位装置413包括穿设在摇臂412上的第一螺栓和连接在第一螺栓上的第一螺母，第一螺栓的螺栓头位于摇臂412和支架40之间，第一螺母位于摇臂412的上方，第一螺栓的螺栓头和摇臂412之间可选择地设有一个或多个垫片。弹性装置414包括穿设在支架40和摇臂412上的第二螺栓和连接在第二螺栓上的第二螺母，第二螺栓的螺栓头位于支架40的下方，第二螺母位于摇臂412的上方，第二螺母和摇臂412之间设有弹性件。
当然，作为可行的方式，摇臂、定位装置的弹性装置的形状和安装位置还可以发生其它多种的变化，例如中国专利ZL99233773.9公开了一种立式辊磨机，其磨辊50的安装方式与实施例五的方式相似，但是该专利中定位装置放在支架的下部，弹性装置放在支架下部环形槽内。
如图8所示，根据本申请的实施例九的辊磨机包括：壳体10、主轴20、驱动装置30、支架40、多个磨辊50、磨盘60、两个轴向位置调整装置70和机座80。主轴20的两端分别由壳体10的顶盖及机座80支承，两个轴向位置调整装置70分别设置在主轴20的两端，并与两端相配合或连接。轴向位置调整装置70可以为液压缸、螺旋机构或垫片装置等，上部的轴向位置调整装置70也可以是带蓄能器的液压缸。
根据本申请的实施例十的结构与上述实施例九的唯一区别是将图8中的上部轴向位置调整装置改为复位装置，其它不变。复位装置可以是蓄能器、气缸装置、弹簧装置。
当需要调节磨辊50和磨盘60之间的间隙大小时，可调节轴向位置调整装置，从而使主轴20的位置发生位移而让磨辊50和磨盘60之间的间隙增大或缩小。
在图中未示出的实施例中，轴向位置调整装置也可设置在壳体10的顶盖和驱动装置30的上部，复位装置设置在机座80的下部，其效果与实施例九一致。
上述的辊磨机结构简单并都能够通过自动控制或人工控制，使辊磨机能较方便或自动调整磨辊与磨盘的间隙。
从以上的描述中，可以看出，本发明上述的实施例实现了如下技术效果：
1、结构更简单，生产成本降低。
2、由于采用轴向位置调整装置代替现有技术的众多结构，故障率将更低。
3、采用本申请的技术方案后可以实现自动调节，免除了大量的人工量及工人的繁重劳动。
4、结构简单后使原来设备不能大型化的缺点得以克服。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (12)

  1. 一种辊磨机，包括：
    壳体(10)，所述壳体(10)设有进料口(11)和出料口(12)；
    主轴(20)，可转动地穿设在所述壳体(10)内；
    驱动装置(30)，与所述主轴(20)驱动连接；
    支架(40)，安装在所述主轴(20)上；
    两个或两个以上的磨辊(50)，各所述磨辊(50)绕其自身轴心线可转动地安装在所述支架(40)上；
    磨盘(60)，固定安装在所述壳体(10)内并与所述两个或两个以上磨辊(50)位置相对，
    其特征在于，所述辊磨机还包括：
    轴向位置调整装置(70)，与所述主轴(20)连接并用于驱使所述主轴(20)沿轴向移动以调整所述主轴(20)的位置。
  2. 根据权利要求1所述的辊磨机，其特征在于，所述轴向位置调整装置为液压缸(70a)，所述液压缸(70a)沿竖直方向布置，包括缸体(71)、活塞杆(72)和活塞(73)，所述缸体(71)固定设置，所述活塞(73)将所述缸体(71)的内腔分为上腔(71a)和下腔(71b)，所述活塞杆(72)与所述主轴(20)活动连接并驱使所述主轴(20)沿轴向移动以调整所述主轴(20)的位置。
  3. 根据权利要求2所述的辊磨机，其特征在于，还包括：
    复位装置，对沿轴向移动后的所述主轴(20)施加沿轴向的回复力。
  4. 根据权利要求3所述的辊磨机，其特征在于，所述复位装置包括蓄能器(100)，所述蓄能器(100)与所述上腔(71a)连通。
  5. 根据权利要求2至4中任一项所述的辊磨机，其特征在于，还包括：
    机座(80)，所述壳体(10)支撑设置在所述机座(80)上，所述主轴(20)由所述机座(80)支承，所述主轴(20)具有位于所述壳体(10)内的自由端；
    所述辊磨机的驱动装置(30)和液压缸(70a)均位于所述机座(80)的下方，所述活塞杆(72)向上延伸并通过所述驱动装置(30)活动连接所述主轴(20)并能够带动所述主轴(20)沿轴向移动。
  6. 根据权利要求2至4中任一项所述的辊磨机，其特征在于，还包括：
    机座(80)，所述壳体(10)支撑设置在所述机座(80)上，所述主轴(20)由所述机座(80)和壳体(10)的顶盖支承；
    所述辊磨机的驱动装置(30)和液压缸(70a)均位于所述机座(80)的下方或者均位于所述壳体(10)的上方，并且，所述活塞杆(72)通过所述驱动装置(30)活动连接所述主轴(20)并能够带动所述主轴(20)轴向移动，所述液压缸(70a)位于所述驱动装置(30)的远离所述磨辊(50)的一侧。
  7. 根据权利要求2至4中任一项所述的辊磨机，其特征在于，还包括：
    机座(80)，所述壳体(10)支撑设置在所述机座(80)上，所述主轴(20)由所述机座(80)和壳体(10)的顶盖支承；
    所述辊磨机的驱动装置(30)位于所述壳体(10)的上方，所述液压缸(70a)位于所述机座(80)的下方，所述活塞杆(72)与所述主轴(20)活动连接。
  8. 根据权利要求2至4中任一项所述的辊磨机，其特征在于，还包括：
    机座(80)，所述壳体(10)支撑设置在所述机座(80)上，所述主轴(20)由所述机座(80)和壳体(10)的顶盖支承；
    所述辊磨机的驱动装置(30)位于所述机座(80)的下方，所述液压缸(70a)位于所述壳体(10)的上方，并且，所述活塞杆(72)与所述主轴(20)活动连接。
  9. 根据权利要求2至4中任一项所述的辊磨机，其特征在于，所述主轴(20)由所述壳体(10)的顶盖支承，所述主轴(20)具有位于所述壳体(10)内的自由端，所述驱动装置(30)和液压缸(70a)均位于所述壳体(10)的上方，所述活塞杆(72)向下延伸并通过所述驱动装置(30)活动连接所述主轴(20)并能够带动所述主轴(20)沿轴向移动。
  10. 根据权利要求1所述的辊磨机，其特征在于，各所述磨辊(50)通过摇臂机构安装在所述支架(40)上，所述摇臂机构包括：
    铰座(411)，设置在所述支架(40)上；
    摇臂(412)，包括相互连接的第一臂(412a)和第二臂(412b)，所述磨辊(50)安装在所述第一臂(412a)上，所述第一臂(412a)和第二臂(412b)之间弯折过渡连接，所述第一臂(412a)和第二臂(412b)的连接处铰接在所述铰座(411)上；
    限位装置(413)，连接在所述第二臂(412b)上以调节所述第二臂(412b)和支架(40)之间的距离，所述限位装置(413)包括穿设在所述摇臂(412)上的第一螺栓和连接在第一螺栓上的第一螺母，所述第一螺栓的螺栓头位于所述摇臂(412)和支架(40)之间，所述第一螺母位于所述摇臂(412)的上方，所述第一螺栓的螺栓头和所述摇臂(412)之间可选择地设有一个或多个垫片；
    弹性装置(414)，具有向所述第二臂(412b)施加朝向所述支架(40)的压力的弹性件，所述弹性装置(414)包括穿设在所述支架(40)和摇臂(412)上的第二螺栓和连接在所述第二螺栓上的第二螺母，所述第二螺栓的螺栓头位于所述支架(40)的下方，所述第二螺母位于所述摇臂(412)的上方，所述第二螺母和所述摇臂(412)之间设有弹性件。
  11. 根据权利要求1或3所述的辊磨机，其特征在于，
    所述辊磨机还包括：机座(80)，所述壳体(10)支撑设置在所述机座(80)上，所述主轴(20)由所述机座(80)和壳体(10)的顶盖支承，
    所述辊磨机的所述轴向位置调整装置(70)为两个，两个所述轴向位置调整装置(70)分别与所述主轴(20)的两端配合或连接并用于驱使所述主轴(20)沿轴向移动以调整所述主轴(20)的位置。
  12. 根据权利要求1或3所述的辊磨机，其特征在于，
    所述辊磨机还包括：机座(80)，所述壳体(10)支撑设置在所述机座(80)上，所述主轴(20)由所述机座(80)和壳体(10)的顶盖支承；
    所述辊磨机的所述轴向位置调整装置(70)与所述主轴(20)的下端配合或连接并用于驱使所述主轴(20)沿轴向移动以调整所述主轴(20)的位置，所述复位装置位于所述主轴(20)的上端。
PCT/CN2014/090272 2013-11-05 2014-11-04 辊磨机 WO2015067167A1 (zh)

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