CN213437351U - Axial vibration processing device - Google Patents
Axial vibration processing device Download PDFInfo
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- CN213437351U CN213437351U CN202022245570.0U CN202022245570U CN213437351U CN 213437351 U CN213437351 U CN 213437351U CN 202022245570 U CN202022245570 U CN 202022245570U CN 213437351 U CN213437351 U CN 213437351U
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Abstract
The utility model relates to an axial vibration processing device, which comprises a main shaft driving motor, a main shaft rotating bearing, a main body frame, an end face cam, a universal ball bearing, a rolling spline sleeve, a reset elastic ring, a drill bit outer sleeve, a drill bit, a seal sleeve and a seal end cover; one end of the sealing sleeve is in threaded connection with the main body base, the other end of the sealing sleeve is connected with the sealing end cover, one end of the drill bit outer sleeve is positioned in the sealing sleeve, and the other end of the drill bit outer sleeve extends out of the sealing end cover to be connected with a drill bit; the end cam, the universal ball bearing, the rolling spline sleeve, the reset elastic ring and a part of the drill bit outer sleeve are wrapped in a closed space formed by the sealing sleeve, the sealing end cover and the main body base. The device adopts seal cover and end cover to wrap up terminal surface cam, universal ball bearing, rolling spline housing, elastic ring and footstep bearing, prevents that lubricating grease from leaking, has improved the lubricated condition of device, increases life, ensures the stability of motion.
Description
Technical Field
The utility model belongs to the technical field of mechanical vibration equipment, concretely relates to axial vibration processingequipment.
Background
The vibration drilling technology has the advantages of small axial cutting force, slow temperature rise, good processing quality, good cutting effect and the like, so that the vibration drilling technology is more and more widely applied to the field of deep hole processing. Most of the existing vibration drilling technologies are forced vibration drilling and are generally applied to a machine tool, but the defects of heavy overall equipment, large volume and the like exist, and the application occasion is single.
The document No. 201910933238.2 discloses an axial vibration drilling device of cam mechanism type, which realizes axial vibration by matching a ball bearing with a corrugated raceway on the end face of a lower cam, and replaces the traditional mode of generating vibration by using a vibration motor, so that the volume and the weight of the device can be reduced to a certain extent. The device is in open transmission without sealing, so that a lubricant can splash around during working and the actual operation can be influenced; the reset elastic ring is arranged at the tail end of the main shaft, which is not beneficial to the simplification and miniaturization of the structure.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to solve the technical problem that an axial vibration processing device is provided.
The utility model provides a technical scheme that technical problem adopted is:
an axial vibration processing device comprises a main shaft driving motor, a main shaft rotating bearing, a main body base, an end face cam, a universal ball bearing, a rolling spline sleeve, a reset elastic ring, a drill bit outer sleeve and a drill bit; the device is characterized by also comprising a sealing sleeve and a sealing end cover;
one end of the sealing sleeve is in threaded connection with the main body base, the other end of the sealing sleeve is connected with the sealing end cover, one end of the drill bit outer sleeve is positioned in the sealing sleeve, and the other end of the drill bit outer sleeve extends out of the sealing end cover to be connected with a drill bit; the end cam, the universal ball bearing, the rolling spline sleeve, the reset elastic ring and a part of the drill bit outer sleeve are wrapped in a closed space formed by the sealing sleeve, the sealing end cover and the main body base.
The reset elastic ring is positioned on the end surface between the drill bit outer sleeve and the sealing end cover and is always in a compressed state; a gasket is arranged at the connecting position of the sealing end cover and the sealing sleeve, and pretightening force is provided for the end face cam by adjusting the extrusion degree of the gasket during installation; a thrust bearing is arranged between the reset elastic ring and the sealing end cover, the thrust bearing is in transition fit with the main shaft, the reset elastic ring is embedded in the end cover of the adjacent thrust bearing, and the other end cover of the thrust bearing is embedded in the sealing end cover.
A handle is fixed on the outer wall of the main body base, and a battery is inserted into the handle and supplies power to the main shaft driving motor.
The spindle driving motor is connected with one end of the spindle; the motor connecting piece is sleeved at the end part of the main shaft, one end of the motor connecting piece is fixedly connected with the main shaft driving motor, and the other end of the motor connecting piece is fixedly connected with one end of the main body base; the end face cam is connected with the other end of the main body base, the main shaft sequentially penetrates through the main body base and the end face cam, a pair of main shaft rotating bearings are arranged between the main body base and the main shaft, and one end face of the end face cam is provided with a corrugated roller path; the rolling spline housing is slidably mounted at the other end of the main shaft, the outer ring end face of the rolling spline housing adjacent to the end face cam is uniformly provided with universal ball bearings with the number consistent with the number of the waves in the wave raceway in a circumferential manner, and rolling bodies of the universal ball bearings roll along the wave raceway of the end face cam; one end of the drill bit outer sleeve is connected with the end part of the rolling spline sleeve through threads, and the other end of the drill bit outer sleeve is provided with a drill bit through a drill bit collet; the sealing end cover is sleeved on the drill bit outer sleeve, and a reset elastic ring which is always in a compressed state is arranged on the end surface between the drill bit outer sleeve and the sealing end cover; one end of the sealing sleeve is connected with the main body base, and the other end of the sealing sleeve is connected with the sealing end cover.
A first sealing ring is arranged on the circumferential surface of the sealing end cover matched with the drill bit outer sleeve; a second sealing ring is arranged between the motor connecting piece and the main shaft.
The corrugated raceway of the end face cam is a sine or cosine curved surface with odd number period.
And a plurality of clamping surfaces are arranged on the circumferential direction of the sealing sleeve.
The end face of the sealing end cover is provided with a boss positioned with the sealing sleeve, and the boss is provided with a groove; the center of the sealing end cover is provided with a center hole, and the edge of the sealing end cover is provided with a threaded hole.
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the utility model discloses a seal cover and end cover get up end cam, universal ball bearing, rolling spline cover, the elastic ring that resets and footstep bearing parcel, prevent that lubricating grease from leaking, have improved the lubricated condition of device, increase life, ensure the stability of motion.
2. The utility model installs the reset elastic ring outside the drill bit outer sleeve through the thrust bearing, compared with the installation of the reset elastic ring inside the drill bit outer sleeve, the radial size of the drill bit outer sleeve can be reduced, the miniaturization of the whole device is facilitated, the structure is simple and compact, the volume is small, and the weight is light; the brush direct current motor and the storage battery are matched for use to make the handheld vibration drilling device, so that the application range is wider; the spindle rotation is realized by adopting the tapered roller bearing, and the tapered roller bearing has small size under the same specification, thereby being beneficial to the miniaturization design of the device.
3. The utility model discloses an axial vibration processingequipment, operating condition is stable, can make cutting force, temperature rise reduce, realizes better chip-breaking.
Drawings
FIG. 1 is a simplified overall structure of the present invention;
FIG. 2 is a cross-sectional view of the present invention along the axial direction of the main shaft;
fig. 3 is a schematic structural view of the end cam of the present invention;
fig. 4 is a schematic structural view of the sealing sleeve of the present invention;
fig. 5 is a schematic structural view of the sealing end cap of the present invention;
FIG. 6 is a schematic structural view of the ball-and-socket ball bearing of the present invention;
in the figure: 1. a spindle drive motor; 2. a motor connector; 3. a key; 4. a tapered roller bearing; 5. a main body frame; 6. sealing sleeves; 7. an end cam; 8. a ball-and-socket ball bearing; 9. a rolling spline housing; 10. a drill bit outer sleeve; 11. a gasket; 12. sealing the end cap; 13. a nut; 14. a drill collet; 15. a drill bit; 16. a first sealing ring; 17. a thrust bearing; 18. resetting the elastic ring; 19. a main shaft; 20. a pin; 21. a handle; 22. a battery; 23. a second sealing ring; 6-1, clamping surface; 7-1, corrugated roller paths; 8-1 and rolling bodies.
Detailed Description
The technical solution of the present invention is described below with reference to the specific drawings and embodiments. The specific embodiments are only used to further illustrate the technical solutions of the present invention in detail, and do not limit the protection scope of the present application.
The utility model provides an axial vibration processing device (see fig. 1-6), which comprises a main shaft driving motor 1, a main shaft 19, a tapered roller bearing 4, a main body frame 5, a sealing sleeve 6, an end face cam 7, a universal ball bearing 8, a rolling spline housing 9, a reset elastic ring 18, a drill bit outer sleeve 10, a sealing end cover 12 and a drill bit 15;
the spindle driving motor 1 provides a power source and is connected with one end of a spindle 19 through a key 3; the motor connecting piece 2 is sleeved at the end part of the main shaft 19, one end of the motor connecting piece is fixedly connected with the main shaft driving motor 1, and the other end of the motor connecting piece is fixedly connected with one end of the main body base 5; a second sealing ring 23 is arranged between the motor connecting piece 2 and the main shaft 19 for sealing, so that lubricating grease is prevented from leaking; the end face cam 7 is connected with the other end of the main body base 5 through a pin 20, the main shaft 19 sequentially penetrates through the main body base 5 and the end face cam 7, a pair of tapered roller bearings 4 is arranged between the main body base 5 and the main shaft 19, and one end face of the end face cam 7 is provided with a corrugated roller path 7-1; the rolling spline housing 9 is slidably mounted at the other end of the main shaft 19, the outer ring end face of the rolling spline housing 9 adjacent to the end face cam 7 is uniformly provided with universal ball bearings 8 with the number consistent with the number of the corrugations in the corrugated roller path 7-1 in a circumferential manner, and the rolling bodies 8-1 of the universal ball bearings 8 roll along the corrugated roller path 7-1 of the end face cam 7, so that the axial vibration of the main shaft 19 is realized; lubricating grease is smeared in the corrugated roller path 7-1 of the end cam 7, so that good lubrication between the end cam 7 and the universal ball bearing 8 is ensured, and rolling friction between the end cam 7 and the universal ball bearing is ensured; one end of the drill bit outer sleeve 10 is connected with the end part of the rolling spline sleeve 9 through threads, and the other end of the drill bit outer sleeve 10 is provided with a drill bit 15 through a drill bit collet 14; the sealing end cover 12 is sleeved on the periphery of the drill bit outer sleeve 10, and a first sealing ring 16 is arranged on the peripheral surface of the sealing end cover 12 matched with the drill bit outer sleeve 10 to prevent lubricating grease from leaking; a reset elastic ring 18 is arranged on the end surface between the drill bit outer sleeve 10 and the sealing end cover 12, and the reset elastic ring 18 is always in a compressed state; when the main shaft 19 axially vibrates, the reset elastic ring 18 provides reset elastic force for the universal ball bearing 8, and ensures that a rolling body 8-1 of the universal ball bearing 8 always rolls in the corrugated roller path 7-1 of the end cam 7; one end of a sealing sleeve 6 is in threaded connection with the main body base 5, the other end of the sealing sleeve is connected with a sealing end cover 12 through a bolt, and the sealing sleeve 6 seals part of the end face cam 7, the universal ball bearing 8, the rolling spline sleeve 9 and the drill bit outer sleeve 10, so that lubricating oil leakage is prevented, and good lubricating conditions among components are ensured; a gasket 11 is arranged between the sealing end cover 12 and the sealing sleeve 6, the compression amount of the reset elastic ring 18 is adjusted by adjusting the extrusion degree of the gasket 11 during installation, and the reset elastic ring 18 can also provide sufficient reset elastic force when the rolling body 8-1 of the universal ball bearing 8 moves to the lowest point of the corrugated raceway 7-1 of the end cam 7, so that the rolling body 8-1 of the universal ball bearing 8 and the corrugated raceway 7-1 of the end cam 7 are well matched;
a handle 21 is fixed on the outer wall of the main body base 5 through a bolt, and a battery 22 is inserted and placed in the handle 21 to supply power to the spindle driving motor 1.
A thrust bearing 17 is arranged between the reset elastic ring 18 and the sealing end cover 12, the thrust bearing 17 is in transition fit with the main shaft 19, the reset elastic ring 18 is embedded in the end cover of the adjacent thrust bearing 17, and the other end cover of the thrust bearing 17 is embedded in the sealing end cover 12, so that the friction force between the reset elastic ring 18 and the sealing end cover 12 is reduced.
The corrugated raceway 7-1 of the face cam 7 is a sine or cosine curved surface with an odd number of cycles (three cycles in this embodiment).
The spindle driving motor 1 is a direct current motor, and the motor is provided with a speed reducer and can realize stepless speed regulation within a set speed regulation range.
One end of the sealing sleeve 6 is fixedly connected with one end of the main body base through threads, internal threads are arranged on the sealing sleeve, external threads are arranged on the main body base, a component formed by connecting an end face cam 7, a universal ball bearing 8, a rolling spline sleeve 9 and a drill bit outer sleeve can be accommodated in the sealing sleeve, and a plurality of clamping surfaces 6-1 are arranged on the outer circumference of the sealing sleeve, so that a wrench can conveniently clamp the sealing sleeve 6 during assembly and disassembly; and the other end face of the sealing sleeve is provided with a mounting hole fixedly connected with the sealing cover plate 12.
The end face of the sealing end cover 12 is provided with a boss 12-1 which is positioned with the sealing sleeve 6, the boss 12-1 extends into the sealing sleeve 6, the boss 12-1 is provided with a groove 12-2 for installing a thrust bearing 17, the center of the sealing end cover 12 is provided with a central hole through which the drill bit outer sleeve 10 passes, and the edge of the sealing end cover 12 is provided with a threaded hole connected with the sealing sleeve 6.
The utility model discloses a theory of operation and work flow are:
when the main shaft driving motor 1 is powered on, the output shaft thereof drives the main shaft 19 and the rolling spline housing 9 to rotate, and the rolling spline housing 9 is in threaded connection with the drill bit outer sleeve 10, so that the main shaft 19, the rolling spline housing 9 and the drill bit outer sleeve 10 do the same rotary motion, and the rotary motion of the drill bit 15 is realized.
When the rolling spline housing 9 rotates, the universal ball bearing 8 rolls in the corrugated raceway 7-1 of the end face cam 7, and the universal ball bearing 8 is subjected to the reaction force of the end face cam 7 to push the rolling spline housing 9 to move axially; because the corrugated raceway 7-1 of the end face cam 7 is a periodic sine or cosine curved surface, the rolling spline housing 9 can do periodic axial reciprocating movement, and the drill bit 15 can form continuous periodic axial vibration.
The utility model discloses do not state the part and be applicable to prior art.
Claims (8)
1. An axial vibration processing device comprises a main shaft driving motor, a main shaft rotating bearing, a main body base, an end face cam, a universal ball bearing, a rolling spline sleeve, a reset elastic ring, a drill bit outer sleeve and a drill bit; the device is characterized by also comprising a sealing sleeve and a sealing end cover;
one end of the sealing sleeve is in threaded connection with the main body base, the other end of the sealing sleeve is connected with the sealing end cover, one end of the drill bit outer sleeve is positioned in the sealing sleeve, and the other end of the drill bit outer sleeve extends out of the sealing end cover to be connected with a drill bit; the end cam, the universal ball bearing, the rolling spline sleeve, the reset elastic ring and a part of the drill bit outer sleeve are wrapped in a closed space formed by the sealing sleeve, the sealing end cover and the main body base.
2. The axial vibration machining device of claim 1, wherein the return elastic ring is located on an end face between the drill bit outer sleeve and the seal end cover and is always in a compressed state; a gasket is arranged at the connecting position of the sealing end cover and the sealing sleeve, and pretightening force is provided for the end face cam by adjusting the extrusion degree of the gasket during installation; a thrust bearing is arranged between the reset elastic ring and the sealing end cover, the thrust bearing is in transition fit with the main shaft, the reset elastic ring is embedded in the end cover of the adjacent thrust bearing, and the other end cover of the thrust bearing is embedded in the sealing end cover.
3. The axial vibration processing apparatus as claimed in claim 1, wherein a handle is fixed to an outer wall of the main body housing, and a battery is inserted into the handle to supply power to the spindle driving motor.
4. The axial vibration processing apparatus as recited in claim 1, wherein the spindle driving motor is connected to one end of the spindle; the motor connecting piece is sleeved at the end part of the main shaft, one end of the motor connecting piece is fixedly connected with the main shaft driving motor, and the other end of the motor connecting piece is fixedly connected with one end of the main body base; the end face cam is connected with the other end of the main body base, the main shaft sequentially penetrates through the main body base and the end face cam, a pair of main shaft rotating bearings are arranged between the main body base and the main shaft, and one end face of the end face cam is provided with a corrugated roller path; the rolling spline housing is slidably mounted at the other end of the main shaft, the outer ring end face of the rolling spline housing adjacent to the end face cam is uniformly provided with universal ball bearings with the number consistent with the number of the waves in the wave raceway in a circumferential manner, and rolling bodies of the universal ball bearings roll along the wave raceway of the end face cam; one end of the drill bit outer sleeve is connected with the end part of the rolling spline sleeve through threads, and the other end of the drill bit outer sleeve is provided with a drill bit through a drill bit collet; the sealing end cover is sleeved on the drill bit outer sleeve, and a reset elastic ring which is always in a compressed state is arranged on the end face between the drill bit outer sleeve and the sealing end cover.
5. The axial vibration processing device as claimed in claim 1, wherein a first sealing ring is arranged on the circumferential surface of the sealing end cover matched with the drill bit outer sleeve; a second sealing ring is arranged between the motor connecting piece and the main shaft.
6. The axial vibration machining apparatus as claimed in claim 1, wherein the corrugated raceway of the face cam is an odd-cycle sine or cosine curved surface.
7. The axial vibration machining apparatus according to claim 1, wherein a plurality of clamping surfaces are provided on the seal sleeve in the circumferential direction.
8. The axial vibration processing device of claim 1, wherein the end face of the sealing end cover is provided with a boss positioned with the sealing sleeve, and the boss is provided with a groove; the center of the sealing end cover is provided with a center hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022245570.0U CN213437351U (en) | 2020-10-10 | 2020-10-10 | Axial vibration processing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022245570.0U CN213437351U (en) | 2020-10-10 | 2020-10-10 | Axial vibration processing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213437351U true CN213437351U (en) | 2021-06-15 |
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ID=76287499
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022245570.0U Active CN213437351U (en) | 2020-10-10 | 2020-10-10 | Axial vibration processing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213437351U (en) |
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2020
- 2020-10-10 CN CN202022245570.0U patent/CN213437351U/en active Active
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