CN213744451U

CN213744451U - Precision shaft assembly with spiral heat dissipation oil groove structure

Info

Publication number: CN213744451U
Application number: CN202022816312.3U
Authority: CN
Inventors: 陈立川
Original assignee: Weihai Shangdi Machinery Technology Co ltd
Current assignee: Weihai Shangdi Machinery Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-07-20
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to an accurate axle assembly with spiral heat dissipation oil groove structure, its axis body that extends about including, the axis body is inside to be seted up the cooling oil duct that extends about, and cooling oil duct communicates each other end to end, and the cooling oil duct is including seting up the helicla flute on the axis body outer wall, and the helicla flute extends and be the heliciform around establishing along axis body length direction, and the outside cover of axis body is equipped with the urceolus, and the inner wall and the helicla flute of urceolus constitute the cooling oil duct jointly, and the cooling oil duct intussuseption is filled with the cooling medium of circulated flow, installs the media drive arrangement that can drive cooling medium circulation flow in the axis body. The shaft body of the precision shaft is provided with the cooling oil duct, and then the cooling medium is filled in the cooling oil duct, so that the heat locally concentrated on the shaft body can be timely diffused to all parts on the shaft, and the high-temperature deformation of the shaft body or the irreversible damage to parts on the shaft due to the local high temperature can be avoided.

Description

Precision shaft assembly with spiral heat dissipation oil groove structure

Technical Field

The utility model relates to a machine parts field, specific accurate axle assembly with spiral heat dissipation oil groove structure that says so.

Background

The shaft is a common fitting for mechanical equipment, can support and rotate with rotating parts to transmit motion, torque or bending moment, is generally in the shape of a metal round rod, and each section can have different diameters, and the precision shaft is a fitting with higher transmission requirements on the precision shaft, and the precision equipment has higher requirements on the precision shaft.

In the working process of the precision shaft, if high temperature generated by parts on the shaft and high temperature generated by rotation of the shaft cannot be dissipated, the high temperature and the high temperature can affect the shaft and the parts on the shaft, particularly the high temperature can cause local deformation of the shaft or irreversible deformation and damage of the parts on the shaft, and the traditional cooling mode has no two modes of air cooling and water cooling, the two cooling modes can occupy extra working space and cannot be applied to precision equipment, and in addition, the leakage of cooling water in the water cooling or dust caused by the air cooling can cause other problems to be improved.

Disclosure of Invention

The utility model aims at the above-mentioned problem provide an accurate axle assembly with spiral heat dissipation oil groove structure.

In order to achieve the above object, the utility model relates to an accurate axle assembly with spiral heat dissipation oil groove structure, including controlling the axis body that extends, its structural feature is, the cooling oil duct that extends about the axis body is inside to be seted up, and the cooling oil duct communicates each other end to end, and the cooling oil duct intussuseption is filled with the cooling medium that can circulate and flow, installs the medium drive arrangement that can drive cooling medium circulation and flow in the axis body.

After adopting above-mentioned structure, set up the cooling oil duct in the axis body, then pack the cooling medium in the cooling oil duct, drive the cooling medium through medium drive arrangement and flow along cooling oil duct circulation, reach the radiating effect to axis body and epaxial part, can in time spread the epaxial everywhere of heat that local concentrated on the axis body through this structure, avoid the axis body to produce high temperature deformation, or because of local high temperature to epaxial part produce irreversible damage.

Regarding the concrete structure of cooling oil duct, cooling oil duct includes the helicla flute of seting up on the axis body outer wall, and the heliciform flute extends and is the heliciform around establishing along axis body length direction, and the outside cover of axis body is equipped with the urceolus, and the inner wall of urceolus constitutes cooling oil duct with the helicla flute jointly. When the cooling oil duct is arranged, firstly, a spiral groove is formed in the outer wall of the shaft body, then the outer barrel is sleeved on the shaft body, the shaft body is in interference fit with the outer barrel, and the spiral groove enlarges the contact area of a cooling medium and the shaft body, so that the heat dissipation of the shaft body is more uniform.

Regarding the realization mode of the circulation flow of the cooling medium, an oil return channel extending left and right is arranged in the shaft body, the oil return channel is positioned on the axis of the shaft body, and the left end and the right end of the oil return channel are respectively communicated with the left end and the right end of the oil return channel.

Regarding the concrete structure of medium drive device, medium drive device is including seting up the oil drum room in the shaft body, and the inside propeller blade that rotates of oil drum room installs, and the propeller blade is last to be equipped with the transmission shaft admittedly, and the other end of transmission shaft outwards stretches out from the tip of shaft body.

In order to avoid the center of gravity shift of the shaft body, the propeller blades and the transmission shaft are positioned on the axis of the shaft body, so that the circular runout generated when the shaft body rotates can be avoided.

Regarding the position relation of the oil return channel and the oil guide channel, the oil drum chamber is located near the right side of the shaft body, the left end of the oil return channel is communicated with the left end of the cooling oil duct, the right end of the oil return channel is communicated with the oil drum chamber, the shaft body is further provided with the oil guide channel, one end of the oil guide channel is communicated with the oil drum chamber, the other end of the oil guide channel is communicated with the right end of the oil return channel, a communication port of the oil guide channel and the oil drum chamber is located on the right side of the propeller blade, a communication port of the oil return channel and the oil drum chamber is located on the left side of the propeller blade, the oil drum chamber is in a cylindrical shape matched with the size of the propeller blade, and the communication port is the oil return channel or the connection position of the oil guide channel and the oil drum chamber.

Regarding the rotation mode of the propeller blades, a connecting column is arranged at one end of the transmission shaft, which extends out of the oil return channel, and the connecting column is in a polygon prism shape. If the shaft body is fixedly arranged on the equipment, a motor needs to be arranged on the equipment, an output shaft of the motor is connected with a transmission shaft, and the motor drives the propeller blades to rotate, so that the cooling medium is driven; if the shaft body is rotatably installed on the equipment and the shaft body needs to rotate in the working process, the connecting column at the end part of the transmission shaft is fixedly connected with the equipment, the shaft body rotates relative to the equipment in the working process, the propeller blades are fixed relative to the equipment, and at the moment, the propeller blades also drive the cooling medium to circularly flow.

Preferably, the cooling medium is heat conducting oil or water.

Because above-mentioned technical scheme's application is following right the utility model discloses an advantage effect carries out concrete analysis.

To sum up the utility model discloses set up the cooling oil duct in the axis body, then pack the cooling medium in the cooling oil duct, the cooling oil duct of spiral flute shape has enlarged the area of contact of cooling medium with the axis body for the axis body heat dissipation is more even, through medium drive arrangement drive cooling medium along cooling oil duct circulation flow, reach the radiating effect of axis body and epaxial part, can be with the timely diffusion of local concentrated heat on the axis body epaxial everywhere through this structure, avoid the axis body to produce high temperature deformation, or because of local high temperature to the epaxial part damage that produces irreversible rotation.

Drawings

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings:

fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural diagram of a cooling gallery;

FIG. 3 is a partial enlarged view of point A in FIG. 1;

fig. 4 is an appearance structure diagram of the shaft body.

In the figure: the oil-cooling type oil-pumping unit comprises a shaft body 1, an outer barrel 2, a cooling oil duct 3, an oil return channel 4, an oil-blowing chamber 5, a transmission shaft 6, a propeller blade 7, an oil guide channel 8 and a connecting column 9.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention.

The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to the drawings, the utility model discloses an accurate axle assembly with spiral heat dissipation oil groove structure, including controlling the axis body 1 that extends, 1 inside cooling oil duct 3 of extending about offering of axis body, 3 mutual intercommunications of head and the tail of cooling oil duct, but the packing of cooling oil duct 3 intussuseption has the cooling medium of circulation flow, installs the media drive arrangement that can drive cooling medium circulation flow in the axis body 1. Referring to the attached drawing 1, after the structure is adopted, the cooling oil duct 3 is arranged in the shaft body 1, then the cooling oil duct 3 is filled with cooling media, the media driving device drives the cooling media to circularly flow along the cooling oil duct 3, so that the effect of radiating the shaft body 1 and parts on the shaft is achieved, the heat locally concentrated on the shaft body 1 can be timely diffused to all parts on the shaft through the structure, and the high-temperature deformation of the shaft body 1 or the irreversible damage to the parts on the shaft due to the local high temperature is avoided.

Regarding the specific structure of the cooling oil duct 3, referring to fig. 2, the cooling oil duct 3 includes a spiral groove formed on the outer wall of the shaft body 1, the spiral groove extends along the length direction of the shaft body 1 and is spirally wound, an outer cylinder 2 is sleeved on the outer side of the shaft body 1, and the inner wall of the outer cylinder 2 and the spiral groove together form the cooling oil duct 3. When the cooling oil duct 3 is arranged, firstly, a spiral groove is arranged on the outer wall of the shaft body 1, then the outer barrel 2 is sleeved on the shaft body 1, the shaft body 1 and the outer barrel 2 are in interference fit, and the spiral groove enlarges the contact area of a cooling medium and the shaft body 1, so that the heat dissipation of the shaft body 1 is more uniform. Regarding the implementation manner of the circulation flow of the cooling medium, referring to fig. 1, an oil return passage 4 extending left and right is formed in the shaft body 1, the oil return passage 4 is located on the axis of the shaft body 1, and left and right ends of the oil return passage 4 are respectively communicated with left and right ends of the oil return passage 4.

Regarding the specific structure of the medium driving device, referring to fig. 1 and fig. 3, the medium driving device includes a oil drum chamber 5 provided in the shaft body 1, a propeller blade 7 is rotatably installed inside the oil drum chamber 5, a transmission shaft 6 is fixedly installed on the propeller blade 7, and the other end of the transmission shaft 6 protrudes outwards from the end portion of the shaft body 1. In order to avoid the center of gravity shift of the shaft body 1, the propeller blades 7 and the transmission shaft 6 are positioned on the axis of the shaft body 1, so that the circular runout generated when the shaft body 1 rotates can be avoided.

Regarding the position relationship of the oil return channel 4 and the oil guide channel 8, referring to fig. 3, the oil drum chamber 5 is located on the right side of the shaft body 1, the left end of the oil return channel 4 is communicated with the left end of the cooling oil duct 3, the right end of the oil return channel 4 is communicated with the oil drum chamber 5, the shaft body 1 is further provided with the oil guide channel 8, one end of the oil guide channel 8 is communicated with the oil drum chamber 5, the other end of the oil guide channel 8 is communicated with the right end of the oil return channel 4, a communication port of the oil guide channel 8 and the oil drum chamber 5 is located on the right side of the propeller blade 7, a communication port of the oil drum chamber 5 of the oil return channel 4 is located on the left side of the propeller blade 7, the oil drum chamber 5 is in a cylindrical shape matched with the size of the propeller blade 7, and the communication port is the connection position of the oil return channel 4 or the oil guide channel 8 and the oil drum chamber 5.

Regarding the rotation mode of the propeller blade 7, referring to fig. 3, a connection column 9 is arranged at one end of the transmission shaft 6, which extends out of the oil return channel 4, and the connection column 9 is in a polygon prism shape. If the shaft body 1 is fixedly arranged on equipment, a motor needs to be arranged on the equipment, an output shaft of the motor is connected with a transmission shaft 6, and a propeller blade 7 is driven to rotate by the motor, so that the cooling medium is driven; if the shaft body 1 is rotatably installed on the equipment and the shaft body 1 needs to rotate in the working process, the connecting column 9 at the end part of the transmission shaft 6 is fixedly connected with the equipment, in the working process, the shaft body 1 rotates relative to the equipment, the propeller blades 7 are fixed relative to the equipment, and at the moment, the propeller blades 7 also drive the cooling medium to circularly flow. Preferably, the cooling medium is heat conducting oil or water.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

To sum up, the present invention is not limited to the above-mentioned specific embodiments. Those skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention, and all such changes and modifications are intended to be within the scope of the present invention.

Claims

1. The utility model provides a precision axle assembly with spiral heat dissipation oil groove structure, includes axis body (1) of controlling the extension, characterized by: the cooling oil duct (3) that extend about axis body (1) is inside to be seted up, cooling oil duct (3) end to end intercommunication each other, but cooling oil duct (3) intussuseption is filled with circulating flow's cooling medium, installs the media drive arrangement that can drive cooling medium circulating flow in axis body (1).

2. The precision shaft assembly with spiral heat sink oil groove structure as claimed in claim 1, wherein: the cooling oil duct comprises a spiral groove formed in the outer wall of the shaft body (1), the spiral groove extends along the length direction of the shaft body (1) and is spirally wound, an outer barrel (2) is sleeved on the outer side of the shaft body (1), and the inner wall of the outer barrel (2) and the spiral groove jointly form the cooling oil duct.

3. The precision shaft assembly with spiral heat sink oil groove structure as claimed in claim 2, wherein: an oil return channel (4) extending left and right is formed in the shaft body (1), the oil return channel (4) is located on the axis of the shaft body (1), and the left end and the right end of the oil return channel (4) are communicated with the left end and the right end of the oil return channel (4) respectively.

4. The precision shaft assembly with spiral heat sink oil groove structure as claimed in claim 3, wherein: the medium driving device comprises a drum oil chamber (5) arranged in the shaft body (1), a propeller blade (7) is rotatably arranged in the drum oil chamber (5), a transmission shaft (6) is fixedly arranged on the propeller blade (7), and the other end of the transmission shaft (6) extends out of the end part of the shaft body (1).

5. The precision shaft assembly with spiral heat sink oil groove structure as claimed in claim 4, wherein: the propeller blades (7) and the transmission shaft (6) are positioned on the axis of the shaft body (1).

6. The precision shaft assembly with spiral heat sink oil groove structure as claimed in claim 5, wherein: drum grease chamber (5) are located leaning on the right side of axis body (1), the left end of oil return passageway (4) and the left end of cooling oil duct (3) communicate, the right-hand member and the drum grease chamber (5) of oil return passageway (4) are linked together, oil channel (8) have still been seted up on axis body (1), oil channel (8) one end is led and is linked together with drum grease chamber (5), the other end of oil channel (8) is led and the right-hand member of oil return passageway (4) is linked together, the intercommunication mouth of oil channel (8) and drum grease chamber (5) is located the right side of propeller blade (7), the intercommunication mouth of oil return passageway (4) drum grease chamber (5) is located the left side of propeller blade (7).

7. The precision shaft assembly with spiral heat sink oil groove structure as claimed in claim 6, wherein: and a connecting column (9) is arranged at one end of the transmission shaft (6) extending out of the oil return channel (4), and the connecting column (9) is in a polygon prism shape.

8. The precision shaft assembly with the spiral heat sink oil groove structure as claimed in any one of claims 1 to 7, wherein: the cooling medium is heat conducting oil or water.