CN215467342U - Shaft sleeve inner wall blind hole machining tool and machining device - Google Patents
Shaft sleeve inner wall blind hole machining tool and machining device Download PDFInfo
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- CN215467342U CN215467342U CN202121614614.0U CN202121614614U CN215467342U CN 215467342 U CN215467342 U CN 215467342U CN 202121614614 U CN202121614614 U CN 202121614614U CN 215467342 U CN215467342 U CN 215467342U
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Abstract
The utility model provides a shaft sleeve inner wall blind hole machining tool and a shaft sleeve inner wall blind hole machining device, and belongs to the field of shaft sleeve machining. The processing tool for the blind hole in the inner wall of the shaft sleeve comprises a force transmission piece and a pressure head. The force transmission piece is provided with a pressure bearing part and a pressing part; the pressure head is arranged on the pressure applying part; the pressing part is suitable for entering the shaft sleeve so that the pressure head is aligned with the inner wall of the shaft sleeve; the force transmission piece transmits the stress of the pressure bearing part to the pressure head so that the pressure head presses the hole on the inner wall of the shaft sleeve. Shaft sleeve inner wall blind hole processingequipment includes foretell shaft sleeve inner wall blind hole processing tool. The pressure applying part of the force transferring part extends into the shaft sleeve, so that the pressure head is aligned to the inner wall of the shaft sleeve, the pressure applying part applies pressure through a press machine or other pressurizing equipment, the force transferring part transfers the pressure to the pressure head, and the pressure head is pressed out of a blind hole shape on the inner wall of the shaft sleeve, so that a drilling process is replaced, and the blind hole processing difficulty of the inner wall of the shaft sleeve is reduced.
Description
Technical Field
The utility model belongs to the technical field of shaft sleeve processing, and particularly relates to a processing tool and a processing device for blind holes in the inner wall of a shaft sleeve.
Background
The shaft sleeve is an important part in mechanical equipment, the inner hole oil storage and lubrication mode of the existing shaft sleeve generally adopts various forms of circulating oil tanks to store and distribute oil, and the oil tanks can damage the bearing capacity of the inner wall of the shaft sleeve and reduce the service life of the shaft sleeve; and the oil storage capacity is limited, the oil distribution is uneven, and frequent maintenance is needed in the use process. The inventor finds that if the blind hole is processed on the inner wall of the shaft sleeve to serve as the oil groove, the defects of the circulating oil groove can be completely avoided, and the utility model is a revolutionary innovation of oil storage and lubrication modes of the shaft sleeve. However, the blind hole processing on the inner wall of the shaft sleeve has many limitations, a drilling machine needs to be stretched into the shaft sleeve to drill the blind hole on the inner wall of the shaft sleeve, and the requirement on the drilling machine is high due to the limited inner space of the shaft sleeve, and the drilling machine cannot be processed on a smaller shaft sleeve. Therefore, how to reduce the processing difficulty of the blind hole type oil groove is a problem to be solved urgently at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a shaft sleeve inner wall blind hole machining tool and a shaft sleeve inner wall blind hole machining device, and aims to solve the technical problem that in the prior art, blind hole type oil grooves are difficult to machine.
In order to achieve the above object, the present invention adopts a technical scheme that a shaft sleeve inner wall blind hole processing tool is provided, which comprises:
the force transmission piece is provided with a pressure bearing part and a pressing part; and
the pressing head is arranged on the pressing part;
the pressing part is suitable for entering the shaft sleeve so that the pressure head is aligned with the inner wall of the shaft sleeve; the force transmission piece transmits the stress of the pressure bearing part to the pressure head so that the pressure head presses a hole on the inner wall of the shaft sleeve.
As another embodiment of the application, the force transmission piece is columnar, the middle section of the force transmission piece is the pressing part, two ends of the pressing part are respectively provided with the pressure bearing part, and the side surface of the pressing part is provided with the pressure head.
As another embodiment of the present application, the bearing portion is provided with a bearing surface that is engaged with the press, the bearing surface being oriented opposite to the ram.
As another embodiment of the present application, the bearing portion is provided with a supporting surface, and the supporting surface and the bearing surface are respectively located at two opposite sides of the bearing portion.
As another embodiment of the present application, the pressing portion is provided with a plurality of pressing heads arranged along the axial direction of the shaft sleeve, and each pressing head is detachably disposed on the pressing portion.
As another embodiment of the application, the pressing part is provided with a mounting hole, and the tail end of the pressing head is inserted into the mounting hole and is tightly pressed and fixed by a jackscrew on the side wall of the mounting hole.
As another embodiment of the application, the force transmission piece further comprises positioning sections located at two ends of the pressure application part, and the positioning sections are suitable for being clamped into brackets of blind hole machining positioning seats on the inner wall of the shaft sleeve so as to be positioned in the radial direction of the shaft sleeve.
As another embodiment of the present application, the head end of the indenter includes an annular conical surface and a conical surface provided on a small end of the annular conical surface, and a conical angle of the annular conical surface is smaller than a conical angle of the conical surface.
As another embodiment of the present application, a taper angle of the conical surface ranges from 145 ° to 155 °, and a taper angle of the annular conical surface ranges from 55 ° to 65 °.
The tool for processing the blind hole in the inner wall of the shaft sleeve provided by the embodiment of the utility model has the beneficial effects that: compared with the prior art, in the processing tool for the blind hole in the inner wall of the shaft sleeve, the pressing part of the force transmission piece extends into the shaft sleeve, the pressure head is aligned with the inner wall of the shaft sleeve, the pressure bearing part is pressed by a press machine or other pressing equipment, the force transmission piece transmits the pressure to the pressure head, and the pressure head presses the blind hole shape on the inner wall of the shaft sleeve, so that a drilling process is replaced, and the processing difficulty of the blind hole in the inner wall of the shaft sleeve is reduced.
The utility model adopts another technical scheme that a shaft sleeve inner wall blind hole processing device is provided, which comprises: the shaft sleeve inner wall blind hole machining tool of any one of the above.
The processing device for the blind hole in the inner wall of the shaft sleeve, provided by the embodiment of the utility model, has the beneficial effects that: compared with the prior art, according to the processing device for the blind hole in the inner wall of the shaft sleeve, which is disclosed by the embodiment of the utility model, by adopting any one of the processing tools for the blind hole in the inner wall of the shaft sleeve, the pressing part of the force transmission piece extends into the shaft sleeve, so that the pressure head is aligned to the inner wall of the shaft sleeve, pressure is applied to the pressing part through a press machine or other pressing equipment, the force transmission piece transmits the pressure to the pressure head, and the pressure head presses out a blind hole shape on the inner wall of the shaft sleeve, so that a drilling process is replaced, and the processing difficulty of the blind hole in the inner wall of the shaft sleeve is reduced.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.
FIG. 1 is a front view of a blind hole machining tool for an inner wall of a shaft sleeve according to an embodiment of the present invention;
FIG. 2 is a bottom view of the blind hole machining tool for the inner wall of the shaft sleeve of FIG. 1;
FIG. 3 is a cross-sectional view of the blind hole machining tool for the inner wall of the bushing of FIG. 1 in use;
fig. 4 is a side view of the divider member of fig. 3.
Wherein, in the figures, the respective reference numerals:
1-a force transfer member; 11-a pressure-bearing portion; 111-pressure bearing face; 112-a support surface; 12-a pressure applying part; 121-mounting holes; 122-top thread; 13-a positioning section; 2-a pressure head; 21-ring conical surface; 22-conical surface; 3-a seat body; 4-a partial guide; 41-bracket; 5-a depth limiter; 6-shaft sleeve.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects to be solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model.
Referring to fig. 1 to 4, a blind hole machining tool for an inner wall of a shaft sleeve according to an embodiment of the present invention will be described. A shaft sleeve inner wall blind hole machining tool comprises:
a force transmission member 1 having a pressure receiving portion 11 and a pressing portion 12; and
a pressing head 2 provided on the pressing portion 12;
the pressing part 12 is suitable for entering the shaft sleeve 6 so as to align the pressure head 2 with the inner wall of the shaft sleeve 6; the force transmission piece 1 transmits the stress of the pressure bearing part 11 to the pressure head 2, so that the pressure head 2 presses a hole on the inner wall of the shaft sleeve 6.
Compared with the prior art, in the processing tool for the blind hole in the inner wall of the shaft sleeve, the pressing part 12 of the force transmission piece 1 extends into the shaft sleeve 6, the pressure head 2 is aligned with the inner wall of the shaft sleeve 6, the pressure bearing part 11 is pressed by a press machine or other pressing equipment, the force transmission piece 1 transmits the pressure to the pressure head 2, and the pressure head 2 presses the blind hole shape on the inner wall of the shaft sleeve 6, so that the drilling process is replaced, and the processing difficulty of the blind hole in the inner wall of the shaft sleeve 6 is reduced.
In a specific implementation, the force transmission element 1 may be made of a hard material, so that it can bear a certain pressure and transmit the pressure to the pressure head 2. The pressure applying part 12 of the force transmission piece 1 is sized to extend into the shaft sleeve 6, so that the pressure head 2 on the pressure applying part 12 can be aligned with the inner wall of the shaft sleeve 6. One or more pressure heads 2 may be arranged on the pressure application part 12 of the force transfer member 1. The press head 2 protrudes from the surface of the pressing portion 12 so that a blind hole can be pressed on the inner wall of the boss 6.
When the force transmission piece 1 is used, the pressure bearing part 11 of the force transmission piece 1 can be positioned outside the shaft sleeve 6 or also positioned inside the shaft sleeve 6 after the pressure bearing part 12 of the force transmission piece 1 extends into the shaft sleeve 6. For example, the force transmission member 1 may be a block shape, and can be integrally inserted into the shaft sleeve 6, one surface facing the inner wall of the shaft sleeve 6 is a pressure applying portion 12, and the other surface is a pressure bearing portion 11, when in use, the press machine extends into the shaft sleeve 6 to apply pressure to the pressure bearing portion 11, so that the press head 2 on the pressure applying portion 12 presses a blind hole on the inner wall of the shaft sleeve 6 to form an oil groove.
Of course, the blind hole is extruded to the axle sleeve inner wall blind hole machining tool who adopts this embodiment on the inner wall of axle sleeve 6, can lead to axle sleeve 6 to warp to a certain extent, consequently, after the blind hole is extruded on the inner wall of axle sleeve 6, can carry out further processing to axle sleeve 6, guarantees that axle sleeve 6's size meets the requirements.
Referring to fig. 1 to 3, as a specific embodiment of the tool for processing the blind hole in the inner wall of the shaft sleeve provided by the present invention, the force transmission member 1 is cylindrical, the middle section thereof is a pressing portion 12, two ends of the pressing portion 12 are respectively provided with a pressure bearing portion 11, and a pressure head 2 is disposed on the side surface of the pressing portion 12.
In the embodiment, the force transmission piece 1 can penetrate through the shaft sleeve 6, the pressure applying part 12 in the middle section is positioned inside the shaft sleeve 6, the pressure bearing parts 11 at two ends are exposed outside the shaft sleeve 6, and the pressure head 2 on the side surface of the pressure applying part 12 is opposite to the inner wall of the shaft sleeve 6; the two pressing parts 12 are pressed by a press machine, so that the pressing head 2 on the side of the pressing parts 12 presses blind holes on the inner wall of the shaft sleeve 6 to form oil grooves. The bearing parts 11 at the two ends are stressed, so that the stress of the pressing part 12 in the middle section is more balanced.
In a specific implementation, the force transmission member 1 may be a round bar, the middle section is a pressure application portion 12, the portions at the two ends of the pressure application portion 12 are pressure bearing portions 11, and one or more pressure heads 2 are arranged on the lower side of the section in a protruding manner.
Referring to fig. 1 and 3, as an embodiment of the tool for processing the blind hole in the inner wall of the shaft sleeve provided by the present invention, the bearing portion 11 is provided with a bearing surface 111 fitting with the press machine, and the bearing surface 111 faces the press head 2 in the opposite direction.
In this embodiment, the pressure-bearing surface 111 can bear the same pressure as the pressure head 2, so that the pressure head 2 can be better provided with pressure. And the press presses against the bearing surface 111 of the bearing part 11, so that the direction of the press head 2 can be controlled, and the press head 2 is prevented from being inclined.
In a specific implementation, the force transmission piece 1 can be a round rod, the middle section is a pressure application part 12, and the two ends are pressure bearing parts 11. The same side of the two bearing portions 11 is machined to form a bearing surface 111. The ram 2 is provided on the pressing part 12 at opposite sides of the pressure receiving face 111.
Referring to fig. 1 to 3, as an embodiment of the tool for processing the blind hole in the inner wall of the shaft sleeve provided by the present invention, the bearing portion 11 is provided with a supporting surface 112, and the supporting surface 112 and the bearing surface 111 are respectively located at two opposite sides of the bearing portion 11.
In this embodiment, the supporting surface 112 is supported by the depth limiting member 5 or other structures on the positioning seat, so that the pressing depth of the force transmission member 1 can be controlled, and further the depth of the blind hole pressed out by the pressing head 2 on the inner wall of the shaft sleeve 6 can be controlled. The pressure receiving surface 111 and the support surface 112 of the pressure receiving portion 11 are opposed to each other, and the pressure receiving surface 111 and the support surface 112 of the pressure receiving portion 11 are pressed and supported, so that excessive deformation of the pressure receiving portion 11 can be prevented.
In a specific implementation, the force transmission piece 1 can be a round rod, the middle section is a pressure application part 12, and the two ends are pressure bearing parts 11. Opposite sides of each pressure receiving portion 11 are respectively formed with a flat surface to form a pressure receiving surface 111 and a support surface 112. The ram 2 is disposed on the pressing portion 12 on the same side as the supporting surface 112.
Referring to fig. 1 to 3, as an embodiment of the tool for processing the blind hole in the inner wall of the shaft sleeve provided by the present invention, a plurality of pressing heads 2 are arranged on a pressing portion 12 along the axial direction of the shaft sleeve 6, and each pressing head 2 is detachably disposed on the pressing portion 12.
In this embodiment, the pressure machine once pressurizes, alright extrude a plurality of blind holes on the inner wall of axle sleeve 6 through a plurality of pressure heads 2, improve machining efficiency. Meanwhile, the proper pressure head 2 can be selected and replaced according to the size and the shape of the required blind hole; and the damaged pressure head 2 is convenient to replace.
In the concrete implementation, the force transmission piece 1 is columnar, the middle section is a pressure applying part 12, and the two ends are pressure bearing parts 11. A plurality of indenters 2 are provided in the axial direction on one side of the pressing portion 12. Each pressure head 2 can be mounted on the pressure application part 12 by means of plug-in connection or bolt connection.
Referring to fig. 1 to 3, as an embodiment of the tool for processing the blind hole in the inner wall of the shaft sleeve provided by the present invention, the pressing portion 12 is provided with a mounting hole 121, and the tail end of the pressing head 2 is inserted into the mounting hole 121 and is tightly pressed and fixed by a jackscrew 122 on the side wall of the mounting hole 121.
In a specific implementation, the pressing portion 12 is provided with a row of mounting holes 121, and a threaded hole is formed through a side surface of each mounting hole 121. The ram 2 is cylindrical, the tail end of the ram is inserted into the mounting hole 121, and the ram 2 is fixed in the mounting hole 121 by installing the jackscrew 122 in the threaded hole in the side wall of the mounting hole 121.
Referring to fig. 1 to 4, as an embodiment of the tool for processing the blind hole in the inner wall of the shaft sleeve provided by the present invention, the force transmission member 1 further includes positioning sections 13 located at two ends of the pressure applying portion 12, and the positioning sections 13 are adapted to be inserted into the brackets 41 of the processing positioning seat for processing the blind hole in the inner wall of the shaft sleeve 6 so as to be positioned in the radial direction of the shaft sleeve 6.
In this embodiment, the positioning section 13 can be clamped in the bracket 41 of the two sub-guides 4 on the blind hole processing positioning seat on the inner wall of the shaft sleeve 6, so as to limit the position of the force transmission piece 1 in the radial direction of the shaft sleeve 6.
When specifically realizing, 6 inner wall blind holes of axle sleeve processing positioning seat pedestal 3's top surface is equipped with the arc recess, and the both sides of pedestal 3 are equipped with branch guide 4 respectively, and two divide guide assembly to be suitable for to passing power piece 1 and lead in the direction of pushing down, and two divide guide 4 tops to be equipped with bracket 41 respectively. The left end and the right end of the force transmission piece 1 are respectively provided with a positioning section 13. When the force transmission device is used, the shaft sleeve 6 is transversely placed in the arc-shaped groove, the force transmission piece 1 penetrates through the shaft sleeve 6, the positioning sections 13 at two ends of the force transmission piece 1 are clamped into the two brackets 41, the shapes of the positioning sections 13 are matched with the shapes of the brackets 41, and the side walls of the brackets 41 limit and limit the position of the force transmission piece 1 in the radial direction of the shaft sleeve 6. And the clamping piece on the side surface of the bracket 41 tightly props against two end surfaces of the force transmission piece 1 to clamp the force transmission piece 1, so that the fixing of the processing tool of the blind hole in the inner wall of the shaft sleeve is realized.
Referring to fig. 1, as a specific embodiment of the tool for processing the blind hole in the inner wall of the shaft sleeve, the head end of the pressing head 2 includes an annular conical surface 21 and a conical surface 22 disposed at the small end of the annular conical surface 21, and the conical angle of the annular conical surface 21 is smaller than that of the conical surface 22.
In the embodiment, the annular conical surface 21 of the pressure head 2 forms the side wall of the blind hole, so that the side wall of the processed blind hole is slightly inclined, and lubricating oil in the blind hole can be conveniently taken out when a rotating shaft in the shaft sleeve 6 rotates; and the small end of the annular conical surface 21 is provided with a conical surface 22 with a larger conical angle, so that the stamping is convenient, the height of the pressure head 2 is reduced, and the depth of a blind hole is reduced.
In the concrete implementation, the tail end of the pressure head 2 is cylindrical, a conical surface 22 is machined at the topmost part of the head end of the pressure head 2, and then a circle of annular conical surface 21 is machined between the conical surface 22 and the outer surface of the tail end of the pressure head 2 to serve as a transition.
Referring to fig. 1, as an embodiment of the tool for processing the blind hole on the inner wall of the shaft sleeve, the taper angle of the taper surface 22 ranges from 145 ° to 155 °, and the taper angle of the ring taper surface 21 ranges from 55 ° to 65 °.
In this embodiment, the conical angle range of the annular conical surface 21 is 55 ° to 65 °, and the side wall surface of the processed blind hole is inclined by a corresponding angle, which is more favorable for the rotating shaft to take out the lubricating oil in the blind hole. The conical angle range of the conical surface 22 is 145-155 degrees, the height of the head end of the pressure head 2 can be reduced, the depth of a blind hole is reduced, and meanwhile, high pressure hole efficiency can be kept.
Referring to fig. 1 to 4, an embodiment of the present invention further provides a device for processing a blind hole on an inner wall of a shaft sleeve, where the device for processing a blind hole on an inner wall of a shaft sleeve includes: the processing tool for the blind hole in the inner wall of the shaft sleeve.
Compared with the prior art, according to the processing device for the blind hole in the inner wall of the shaft sleeve, any one of the processing tools for the blind hole in the inner wall of the shaft sleeve is adopted, the pressing part 12 of the force transmission piece 1 extends into the shaft sleeve 6, the pressure head 2 is aligned to the inner wall of the shaft sleeve 6, the pressure bearing part 11 is pressed through a press machine or other pressing equipment, the force transmission piece 1 transmits the pressure to the pressure head 2, and the pressure head 2 presses the blind hole shape on the inner wall of the shaft sleeve 6, so that a drilling process is replaced, and the processing difficulty of the blind hole in the inner wall of the shaft sleeve 6 is reduced.
The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. Axle sleeve inner wall blind hole machining tool, its characterized in that includes:
the force transmission piece is provided with a pressure bearing part and a pressing part; and
the pressing head is arranged on the pressing part;
the pressing part is suitable for entering the shaft sleeve so that the pressure head is aligned with the inner wall of the shaft sleeve; the force transmission piece transmits the stress of the pressure bearing part to the pressure head so that the pressure head presses a hole on the inner wall of the shaft sleeve.
2. The tool for machining the blind hole in the inner wall of the shaft sleeve according to claim 1, wherein the force transmission piece is columnar, the middle section of the force transmission piece is the pressing part, two ends of the pressing part are respectively provided with the pressure bearing part, and the side surface of the pressing part is provided with the pressure head.
3. The tool for machining blind holes in the inner wall of a shaft sleeve as claimed in claim 2, wherein the bearing portion is provided with a bearing surface which is matched with the press machine, and the bearing surface is opposite to the direction of the pressure head.
4. The tool for machining the blind hole in the inner wall of the shaft sleeve as claimed in claim 3, wherein the bearing portion is provided with a support surface, and the support surface and the bearing surface are respectively located on two opposite sides of the bearing portion.
5. The tool for machining the blind hole in the inner wall of the shaft sleeve as claimed in claim 1, wherein the pressing portion is provided with a plurality of the pressing heads arranged in the axial direction of the shaft sleeve, and each of the pressing heads is detachably provided on the pressing portion.
6. The tool for processing the blind hole in the inner wall of the shaft sleeve as claimed in claim 1, wherein the pressing part is provided with a mounting hole, and the tail end of the pressing head is inserted into the mounting hole and is tightly pressed and fixed by a jackscrew on the side wall of the mounting hole.
7. The tool for machining the blind hole in the inner wall of the shaft sleeve as claimed in claim 1, wherein the force transmission member further comprises positioning sections at both ends of the pressing portion, and the positioning sections are adapted to be snapped into brackets of the machining positioning seat for the blind hole in the inner wall of the shaft sleeve to be positioned in a radial direction of the shaft sleeve.
8. The tool for machining the blind hole in the inner wall of the shaft sleeve as claimed in claim 1, wherein the head end of the pressure head comprises an annular conical surface and a conical surface arranged at the small end of the annular conical surface, and the conical angle of the annular conical surface is smaller than that of the conical surface.
9. The tool for machining the blind hole in the inner wall of the shaft sleeve as claimed in claim 8, wherein the taper angle of the conical surface ranges from 145 ° to 155 °, and the taper angle of the annular conical surface ranges from 55 ° to 65 °.
10. Axle sleeve inner wall blind hole processingequipment, its characterized in that includes: a tool for machining blind holes in the inner wall of a shaft sleeve as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121614614.0U CN215467342U (en) | 2021-07-15 | 2021-07-15 | Shaft sleeve inner wall blind hole machining tool and machining device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121614614.0U CN215467342U (en) | 2021-07-15 | 2021-07-15 | Shaft sleeve inner wall blind hole machining tool and machining device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215467342U true CN215467342U (en) | 2022-01-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121614614.0U Active CN215467342U (en) | 2021-07-15 | 2021-07-15 | Shaft sleeve inner wall blind hole machining tool and machining device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215467342U (en) |
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2021
- 2021-07-15 CN CN202121614614.0U patent/CN215467342U/en active Active
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