CN218276341U - Mechanism for realizing linear displacement in high-speed rotation process - Google Patents

Abstract

The utility model relates to a mechanism for realizing linear displacement in high-speed rotation process, it includes: a rotating part connected with the driving unit; the adjusting part is connected to the rotating part and performs linear displacement under the rotation of the rotating part; the rotating part comprises a main shaft, and the main shaft is connected with a fixing part through the rotating part; the fixed part comprises an outer sleeve connected to the rotating part, and the outer sleeve is provided with symmetrically arranged displacement parts; the adjusting part comprises an outer connecting cylinder connected to the main shaft; the outer connecting cylinder is connected with an outer guide cylinder; the outer guide cylinder is detachably connected with a sliding part, and the sliding part is matched with the displacement part; after adopting above-mentioned structure, its beneficial effect is: simple structure, convenient operation through the design of sliding part with displacement portion for the sliding part slides in displacement portion, and then realizes adjusting at high-speed rotatory in-process with the executive component that the sliding part is connected, and the precision is good.

Description

Mechanism for realizing linear displacement in high-speed rotation process

Technical Field

The utility model belongs to the technical field of the speed governing, specific theory is about a mechanism of realizing linear displacement among the high-speed rotatory process.

Background

The magnetic coupler is also called a magnetic coupler and mainly comprises a magnetizer connected to the shaft end of the motor and a permanent magnet connected to a load end. In operation, according to the eddy current induction principle, the two parts move relatively to generate a magnetic field, eddy current is generated in the disc-shaped conductor, the magnetic field generated by the eddy current and the magnet attract each other, so that the rotor and the conductor transmit torque through an air gap, and the motor and the load are changed from hard connection to soft connection.

The magnetic coupler is divided into a copper conductor rotor connected with the input end and a permanent magnet rotor connected with the output end, and the output torque is adjusted by adjusting the air gap between the copper conductor rotor and the permanent magnet rotor, so that the speed regulation purpose is realized.

At present, the relative position of an air gap between a copper conductor rotor and a permanent magnet rotor of a magnetic coupler is fixed in a screw or lead screw fixing mode, the fixed mode of the screw or the lead screw is required to be stopped for adjustment, and the production progress is influenced by the stop, so that the production efficiency of enterprises is low.

In addition, in the field of high precision machining, such as precision cutting, etc., the execution part needs to perform linear displacement during high-speed rotation to machine the workpiece, and the adjustment of the execution part at present is either too complicated in structure or insufficient in adjustment precision, so a mechanism for realizing linear displacement during high-speed rotation is needed to solve the problem that the adjustment precision of the execution part is insufficient during high-speed rotation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mechanism of high-speed rotatory in-process realization linear displacement, simple structure to solve the current problem that adjustment accuracy is not enough at high-speed rotatory in-process execution part.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a mechanism for effecting linear displacement during high speed rotation, comprising:

a rotating part connected with the driving unit;

the adjusting part is connected to the rotating part and performs linear displacement under the rotation of the rotating part;

the rotating part comprises a main shaft, and the main shaft is connected with a fixing part through the rotating part; the fixed part comprises an outer sleeve connected to the rotating part, and the outer sleeve is provided with symmetrically arranged displacement parts;

the adjusting part comprises an outer connecting cylinder connected to the main shaft; the outer connecting cylinder is connected with an outer guide cylinder; the outer guide cylinder is detachably connected with a sliding part, and the sliding part is matched with the displacement part.

According to the utility model discloses, the portion of rotating includes fixed connection in the epaxial first rotating member of main.

According to the utility model discloses, threaded connection has first locking piece on the main shaft, and the locking end of first locking piece offsets with the terminal surface that is located the first rotating member in the outside.

According to the utility model, the fixed part further comprises an inner guide cylinder, the inner guide cylinder is connected and arranged on the main shaft through a rotating part, the inner wall of the inner installation cavity of the inner guide cylinder is fixedly connected with the outer wall of the outer sleeve, and the rotating part is fixed on the main shaft through a second locking part; the inner guide cylinder is rotatable relative to the main shaft by a rotating member.

According to the utility model, the fixing part also comprises an outer end sleeve of the shaft, and the outer end sleeve of the shaft is arranged on the main shaft in a penetrating way; the inner end of the sleeve at the outer end of the shaft is connected with the outer end of the outer sleeve.

According to the utility model, the outer connecting cylinder is fixedly connected with a second rotating piece; and an outer guide cylinder is fixedly connected to the second rotating part.

According to the utility model discloses, the sliding part is including dismantling the mounting of connecting in outer guide tube, the one end that the mounting is located outer guide tube can be dismantled and be connected with the slider, slider sliding connection is in displacement portion.

According to the utility model discloses, be connected with the operation portion on the outer guide cylinder.

According to the utility model discloses, the one end of outer connecting cylinder forms the outer connecting portion that are used for installing executive component or magnetic coupling's magnetizer.

According to the utility model discloses, displacement portion is the arc wall.

The utility model discloses a mechanism of linear displacement is realized to high-speed rotatory in-process, its beneficial effect specifically embodies: 1. simple structure, convenient operation through the design of sliding part and displacement portion for the sliding part slides in the displacement portion, and then realizes adjusting at high-speed rotatory in-process with the executive component that the sliding part is connected, and the precision is good.

2. The operation part rotates to drive the outer guide cylinder to move relative to the outer sleeve, the sliding part slides on the displacement part, so that the adjusting part moves on the axis of the main shaft relative to the rotating part, and at the moment, the executive part or the magnetizer of the magnetic coupler connected to the outer connecting part is close to or far away from the permanent magnet of the processed part or the magnetic coupler, and further the magnetic circuit adjustment between the magnetic couplers is realized.

Drawings

Fig. 1 is a sectional view of a rotating part of a mechanism for realizing linear displacement during high-speed rotation according to the present invention;

fig. 2 is a schematic view of a rotating part of the mechanism for realizing linear displacement during high-speed rotation according to the present invention;

fig. 3 is a sectional view of an adjusting part of a mechanism for realizing linear displacement during high-speed rotation according to the present invention;

fig. 4 is a schematic view of an adjusting part of the mechanism for realizing linear displacement during high-speed rotation of the present invention;

fig. 5 is a structural cross-sectional view of a mechanism for realizing linear displacement during high-speed rotation of the present invention;

fig. 6 is a schematic view of the working state of the mechanism for realizing linear displacement in the high-speed rotation process of the present invention.

Wherein the figures include the following reference numerals:

1. a main shaft; 2. a first rotating member; 3. spacing retainer rings; 4. a first locking member; 5. an outer sleeve; 6. a displacement section; 7. an inner guide cylinder; 8. a rotating member; 9. a second locking member; 10. an inner guide cylinder end cover; 11. a sleeve at the outer end of the shaft; 12. oil sealing; 13. an outer connecting cylinder; 14. an outer connecting portion; 15. wear-resistant rings; 16. a second rotating member; 17. a third fastener; 18. an outer guide cylinder; 19. a sliding part; 20. a fixing member; 21. a slider; 22. an outer guide cylinder end cover; 23. an angular contact outer sleeve; 24. an operation unit.

Detailed Description

For a better understanding of the present invention, reference will now be made in detail to the present invention, examples of which are illustrated in the accompanying drawings.

The utility model discloses a mechanism of high-speed rotatory in-process realization linear displacement of embodiment, it includes: a rotating part connected with the driving unit; the driving unit is a driving motor, which is the prior art and is not described again;

and an adjusting part connected to the rotating part and performing linear displacement in the rotating state of the rotating part.

Specifically, in this embodiment, as shown in fig. 1, the rotating portion includes a main shaft 1, the main shaft 1 is connected to a fixing portion through the rotating portion, during operation, the fixing portion is fixedly connected to the base, one end of the main shaft 1 is connected to the driving unit, and the driving unit operates to drive the main shaft 1 to be rotatable relative to the fixing portion.

Further, in the present embodiment, as shown in fig. 1, the rotating part includes a first rotating member 2 fixedly connected to the main shaft 1, and in the present embodiment, the first rotating member 2 is an angular contact bearing; when a plurality of first rotating pieces 2 are arranged, a spacing retainer ring 3 is arranged between every two adjacent first rotating pieces 2, so that the two adjacent first rotating pieces 2 are prevented from generating friction to influence the work; in order to fix the first rotating member 2 on the main shaft 1 more stably, a first locking member 4 is screwed on the main shaft 1, in this embodiment, the first locking member 4 is a locking nut, and a locking end of the first locking member 4 abuts against an end surface of the first rotating member 2 located on the outermost side.

Further, in this embodiment, the main shaft 1 is provided with a step connection portion for connecting the first rotating member 2, so as to facilitate the installation of the first rotating member 2.

Further, in this embodiment, as shown in fig. 2 and fig. 2, the fixing portion includes an outer sleeve 5 fixedly connected to the first rotating member 2, when in operation, the outer sleeve 5 is fixedly connected to the base, one end of the main shaft 1 is connected to a driving unit, and the driving unit operates to drive the main shaft 1 to rotate relative to the outer sleeve 5; the outer sleeve 5 is provided with symmetrically arranged displacement portions 6, and in the embodiment, the displacement portions 6 are arc-shaped grooves.

Further, in this embodiment, as shown in fig. 1, in order to make the fixing portion operate more stably and reliably, the fixing portion further includes an inner guide cylinder 7, the inner guide cylinder 7 is connected to the main shaft 1 through a rotating member 8, an inner wall of an inner mounting cavity of the inner guide cylinder 7 is fixedly connected to an outer wall of the outer sleeve 5, the rotating member 8 is a rotating bearing, the rotating member 8 is fixed to the main shaft 1 through a second locking member 9, and the second locking member 9 is a locking nut; the inner guide cylinder 7 is rotatable relative to the main shaft 1 through a rotating part 8; in this embodiment, the displacement portion 6 is provided on the inner guide sleeve 7 for convenience in handling and processing.

Furthermore, one end of the inner guide cylinder 7, which is close to the rotating member 8, is connected with an inner guide cylinder end cover 10, so that dust or foreign matters are prevented from entering the rotating member 8 and affecting the work of the rotating member.

Further, in this embodiment, as shown in fig. 1, the fixing portion further includes a shaft outer end sleeve 11, and the shaft outer end sleeve 11 is disposed on the main shaft 1 in a penetrating manner; the inner end of the shaft outer end sleeve 11 is connected with the outer end of the outer sleeve 5, the connection is reliable, and the outer edge of the shaft outer end sleeve 11 is connected with the other end of the inner guide cylinder 7, so that the shaft outer end sleeve 11, the inner guide cylinder 7 and the outer sleeve 5 are tightly matched and fixed, and the connection is more reliable; and an oil seal 12 is arranged at the joint between the shaft outer end sleeve 11 and the main shaft 1 and used for lubricating the shaft outer end sleeve 11 and the main shaft 1.

Specifically, in the present embodiment, as shown in fig. 1, the adjusting portion includes an outer connecting cylinder 13 connected to the main shaft 1, an outer connecting portion 14 for installing an actuator or a magnetizer of the magnetic coupler is formed at one end of the outer connecting cylinder 13, and in the present embodiment, the outer connecting portion 14 is a connecting flange; a wear-resistant ring 15 is arranged between the outer connecting cylinder 13 and the main shaft 1, the number of the wear-resistant rings 15 is more than two, the outer ring of the wear-resistant ring 15 is arranged on the mounting groove of the outer connecting cylinder 13, and the inner ring of the wear-resistant ring 15 is connected with the main shaft 1, so that the service life of the outer connecting cylinder 13 is prolonged.

Further, in the present embodiment, as shown in fig. 3, a second rotating member 16 is fixedly connected to the outer connecting cylinder 13, and the second rotating member 16 is an angular contact bearing; when the number of the second rotating members 16 is multiple, a spacing retainer ring is arranged between every two adjacent second rotating members 16; a third fastening piece 17 for fastening the second rotating piece 16 is fixedly connected to the outer connecting cylinder 13, and the third fastening piece 17 is a lock nut; the inner end of the third fastening member 17 abuts against the end surface of the second rotating member 16 located at the outermost side to form fastening.

Further, in this embodiment, as shown in fig. 3, an outer guide cylinder 18 is fixedly connected to the second rotating member 16, the outer guide cylinder 18 covers the inner guide cylinder 7, a sliding portion 19 is detachably connected to the outer guide cylinder 18, and the sliding portion 19 is matched with the displacement portion 6; the sliding part 19 comprises a fixed part 20 detachably connected to the outer guide cylinder 18, a sliding part 21 is detachably connected to one end of the fixed part 20 located in the outer guide cylinder 18, the sliding part 21 is slidably connected to the displacement part 6, and the sliding part 21 is a pulley or a guide wheel.

Further, in the present embodiment, as shown in fig. 3, an end of the outer guide cylinder 18 away from the sliding portion 19 is connected to an outer guide cylinder end cover 22; the outer guide cylinder 18 and the second rotating member 16 are connected through an angular contact outer sleeve 23, so that the fixation between the outer guide cylinder 18 and the second rotating member 16 is further enhanced.

Further, in the present embodiment, as shown in fig. 4, 5, and 6, an operation portion 24 is connected to the outer guide cylinder 18, and the operation portion 24 is connected to an external drive unit.

In practice, as shown in fig. 4, 5, and 6, the operating portion 24 rotates to drive the outer guide cylinder 18 to move relative to the outer sleeve 5, the sliding member 21 slides on the displacement portion 6, so that the adjusting portion moves relative to the rotating portion on the axis of the spindle 1, and at this time, the actuator or the magnetic conductor of the magnetic coupler connected to the outer connecting portion 14 approaches or moves away relative to the workpiece or the permanent magnet of the magnetic coupler, thereby realizing the adjustment of the magnetic circuit between the magnetic couplers.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as exemplary only and not as limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present application, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore, should not be considered as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

For ease of description, spatially relative terms such as "above … …", "above … …", "above … … upper surface", "above", etc. may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims (10)

1. A mechanism for realizing linear displacement in a high-speed rotation process is characterized by comprising:

a rotating part connected with the driving unit;

the adjusting part is connected to the rotating part and performs linear displacement under the rotation of the rotating part;

the rotating part comprises a main shaft, and the main shaft is connected with a fixing part through the rotating part; the fixed part comprises an outer sleeve connected to the rotating part, and the outer sleeve is provided with symmetrically arranged displacement parts;

the adjusting part comprises an outer connecting cylinder connected to the main shaft; the outer connecting cylinder is connected with an outer guide cylinder; the outer guide cylinder is detachably connected with a sliding part, and the sliding part is matched with the displacement part.

2. The mechanism for effecting linear displacement during high speed rotation of claim 1, wherein said rotating portion comprises a first rotating member fixedly attached to the main shaft.

3. The mechanism for realizing linear displacement during high-speed rotation according to claim 2, wherein the main shaft is threadedly connected with a first locking member, and a locking end of the first locking member abuts against an end face of the first rotating member located on the outermost side.

4. The mechanism for realizing linear displacement during high-speed rotation according to claim 1, wherein the fixed part further comprises an inner guide cylinder, the inner guide cylinder is connected to the main shaft through a rotating part, the inner wall of the inner mounting cavity of the inner guide cylinder is fixedly connected with the outer wall of the outer sleeve, and the rotating part is fixed to the main shaft through a second locking part; the inner guide cylinder is rotatable relative to the main shaft by a rotating member.

5. The mechanism for realizing linear displacement in the high-speed rotation process according to claim 1, wherein the fixing part further comprises an outer end sleeve of the shaft, and the outer end sleeve of the shaft is arranged on the main shaft in a penetrating way; the inner end of the sleeve at the outer end of the shaft is connected with the outer end of the outer sleeve.

6. The mechanism for realizing linear displacement during high-speed rotation according to claim 1, wherein a second rotating member is fixedly connected to the outer connecting cylinder; and an outer guide cylinder is fixedly connected to the second rotating part.

7. The mechanism of claim 1, wherein the sliding member comprises a fixed member detachably connected to the outer guide cylinder, the fixed member is detachably connected to a sliding member at an end of the fixed member located in the outer guide cylinder, and the sliding member is slidably connected to the displacement member.

8. The mechanism for realizing linear displacement during high-speed rotation according to claim 1, wherein an operating portion is connected to the outer guide cylinder.

9. A mechanism for effecting linear displacement during high speed rotation as claimed in claim 1 wherein one end of said outer connecting cylinder forms an outer connecting portion for mounting an actuator or a magnetic conductor of a magnetic coupling.

10. The mechanism for effecting linear displacement during high speed rotation of claim 1, wherein said displacement portion is an arcuate slot.

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