CN217966534U - Super-precision oscillation grinding head - Google Patents
Super-precision oscillation grinding head Download PDFInfo
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- CN217966534U CN217966534U CN202221771843.8U CN202221771843U CN217966534U CN 217966534 U CN217966534 U CN 217966534U CN 202221771843 U CN202221771843 U CN 202221771843U CN 217966534 U CN217966534 U CN 217966534U
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Abstract
The utility model relates to an automatic finish machining technical field of bearing part especially relates to a super precision oscillation grinding head, which comprises a base, oscillator and grinding head, install oscillator and grinding head on the base, the rotatory swing setting of grinding head, the oscillator drives the grinding head through the link gear of installing in the base and vibrates the swing and carry out grinding work to the work piece, it vibrates to drive the grinding head through the oscillator and carry out the swing of high frequency, make the grinding head carry out the abrasive machining that relapses to the channel in the outer lane of bearing, obtain sufficient machining precision with the interior channel of guaranteeing the bearing inner race, and the grinding head is in the interior channel to the bearing inner race grinding process, the grinding head is along the reverse grinding of the width of channel in the bearing inner race.
Description
Technical Field
The utility model relates to an automatic finish machining technical field of bearing part especially relates to a grinding head is vibrate in super precision.
Background
A rolling bearing is a precise mechanical element that reduces friction loss by changing sliding friction between a running shaft and a shaft seat into rolling friction. The rolling bearing generally comprises four parts, namely an inner ring, an outer ring, a rolling body and a retainer, wherein the inner ring is used for being matched with a shaft and rotating together with the shaft; the outer ring is matched with the bearing seat to play a supporting role; the rolling bodies are uniformly distributed between the inner ring and the outer ring by virtue of the retainer, and the shape, size and number of the rolling bodies directly influence the service performance and service life of the rolling bearing; the retainer can enable the rolling bodies to be uniformly distributed and guide the rolling bodies to rotate to play a role in lubrication. The bearing ring is an annular part of a radial rolling bearing with one or several raceways.
When the bearing is produced, all parts of the bearing, such as a bearing ring, a rolling body and the like, need to be assembled, the bearing ring is used as an important part, the quality of the bearing ring directly affects the quality of a finished product, so that the quality of the bearing ring is ensured to be important, and the raceway of the bearing ring is a rolling channel of the rolling body, so that the machining precision requirement is more precise.
However, the existing superfinishing equipment is not suitable for superfinishing the inner channel of the bearing outer ring, but also not suitable for fine grinding of the inner channel of the bearing outer ring with the minimum inner diameter reaching R20 mm.
The patent application number is CN202121773917.7 discloses a channel grinding machine in bearing, including workstation, protective housing, apron and supporting leg, the protective housing with the workstation is connected, the protective housing top has places the hole, the apron with the protective housing is articulated, the supporting leg with the workstation is connected, inside grinding machanism and the fixture of having of protective housing, grinding machanism includes first motor, supporting seat, axle sleeve, threaded rod, ring, bracing piece, thread bush and regulation pole of polishing, first motor is located in the protective housing and with the protective housing is connected, can be convenient for polish the channel of bearing circle through the channel grinding machine in the bearing that this application provided, for ordinary grinding machine.
Although the technical solution disclosed in the above patent document can be applied to grinding of the inner race of the bearing, the inner race grinding machine of the bearing still has a common grinding machine to process the inner race of the bearing, the common grinding machine cannot extend into the inner race of the annular workpiece to process, and the common grinding machine still adopts a rotary grinding mode, so that the precision of the processing cannot reach the ground of superfinishing.
SUMMERY OF THE UTILITY MODEL
To above problem, the utility model provides a super precision vibrates grinding head drives the grinding head through the oscillator and carries out the swing of high frequency and vibrate for the grinding head carries out the abrasive machining that relapses to the outer lane inner channel of bearing, obtains sufficient machining precision with the interior channel of guaranteeing the bearing inner race, and the grinding head is in the interior channel to the bearing inner race grinding process, and the grinding head is along the reverse grinding of the width of channel in the bearing inner race.
In order to achieve the above object, the utility model provides a following technical scheme:
an ultra-precise oscillating polishing head, comprising:
a base, an oscillator and a grinding head;
the grinding head is arranged in a rotating and swinging mode, and the oscillator drives the grinding head to oscillate and swing through a linkage mechanism arranged in the base to grind a workpiece.
As an improvement, the base comprises a horizontally arranged base plate and a vertically arranged connecting plate, a horizontally arranged suspension finger is arranged between the base plate and the connecting plate, and the interior of the suspension finger is hollowed;
the oscillator is vertically installed on the substrate, the grinding head is installed at the end part of the suspended finger, and the linkage mechanism is installed inside the hollow part of the suspended finger.
As an improvement, the oscillator is a motor, and the linkage mechanism is a crank link mechanism.
As an improvement, the linkage mechanism comprises an eccentric shaft and a connecting rod;
the eccentric shaft is sleeved on the rotating shaft of the oscillator, one end of the connecting rod is hinged with the eccentric shaft, and the other end of the connecting rod drives the grinding head to rotate and swing.
As an improvement, the grinding head is rotatably and oscillatingly arranged on the base through an oscillating bush, and the oscillating bush is hinged with the connecting rod.
As an improvement, the swing bushing is installed on the base through a positioning shaft and a bearing.
As an improvement, a semicircular oilstone seat is arranged between the upper end face of the swing bushing and the base.
As an improvement, a hinge mounting position of the eccentric shaft and the connecting rod and a hinge mounting position of the connecting rod and the swing bush are respectively provided with a pin shaft and a kidney-shaped hole which are mutually inserted and matched.
As an improvement, a positioning pin and a waist hole which are mutually inserted are arranged at the mounting and connecting position of the grinding head and the swing bush.
As an improvement, an elastic adjusting piece for adjusting the oscillating and swinging of the grinding head is arranged between the grinding head and the swinging lining.
The beneficial effects of the utility model reside in that:
(1) The utility model drives the grinding head to perform high-frequency swing oscillation through the oscillator, so that the grinding head performs repeated grinding processing on the inner channel of the outer ring of the bearing to ensure that the inner channel of the outer ring of the bearing obtains enough processing precision, and the grinding head reversely grinds along the width of the inner channel of the outer ring of the bearing in the grinding processing process of the inner channel of the outer ring of the bearing;
(2) The elastic adjusting piece is arranged between the grinding head and the swing bush, and the grinding head is elastically adjusted and controlled by the elastic adjusting piece, so that the grinding head can be adaptively adjusted according to the grinding stress condition in the process of carrying out high-frequency oscillation ultra-precision grinding processing on an inner channel;
(3) The utility model discloses a carry out the arc setting with the position that the grinding head ground the processing to bearing inner race inner channel for the grinding head is carrying out the grinding in-process at the inner channel to bearing inner race, and the grinding dynamics at the grinding head individual grinding position all is approximately unanimous.
To sum up, the utility model has the advantages of the super finishing of minimum internal diameter R20 mm's axle outer lane inner channel can be suitable for to the grinding precision height, is particularly useful for the automatic finish machining technical field of bearing part.
Drawings
FIG. 1 is a schematic front view of the present invention;
FIG. 2 is a schematic view of the three-dimensional structure of the present invention;
FIG. 3 is a schematic view of the three-dimensional structure of the base of the present invention;
FIG. 4 is a schematic view of the present invention showing a local structural fracture;
FIG. 5 is a schematic view of a polishing head according to the present invention;
FIG. 6 is a schematic view of a three-dimensional structure of the connecting rod of the present invention;
FIG. 7 is a schematic view of a partial structure of the present invention;
FIG. 8 is an enlarged view of the structure at A in FIG. 7;
fig. 9 is a schematic view of the polishing head structure according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Example 1:
as shown in fig. 1 to 4, an ultra-precise oscillation polishing head includes:
a base 1, an oscillator 2 and a grinding head 3;
the grinding head is characterized in that the base 1 is provided with the oscillator 2 and the grinding head 3, the grinding head 3 is arranged in a rotating and swinging mode, and the oscillator 2 drives the grinding head 3 to vibrate and swing through a linkage mechanism 4 arranged in the base 1 to grind a workpiece.
Further, the base 1 comprises a base plate 11 arranged horizontally and a connecting plate 12 arranged vertically, a horizontally arranged suspension finger 13 is arranged between the base plate 11 and the connecting plate 12, and the inside of the suspension finger 13 is hollowed out;
the oscillator 2 is vertically installed on the substrate 11, the polishing head 3 is installed at the suspended end of the suspension finger 13, and the linkage mechanism 4 is installed inside the hollow of the suspension finger 13.
Furthermore, the oscillator 2 is a motor, and the linkage mechanism 4 is a crank link mechanism.
The oscillator 2 operates to drive the polishing head 3 to perform high-frequency rotary oscillation on the base 1 through the linkage mechanism 4, so that the polishing head 3 performs reciprocating polishing on a workpiece polishing part through oscillation, and the workpiece is polished.
It is further explained that the linkage mechanism 4 arranged as a crank connecting rod drives the grinding head 3 to swing around the position where the grinding head is rotationally connected with the suspension finger 13 under the operation of the oscillator 2 arranged on the motor, so that the grinding head 3 carries out high-frequency grinding on the workpiece, and the purpose of workpiece superfinishing is achieved.
In addition, this application adopts to hang and indicates the setting for grinding head 3 can be convenient stretch into narrow and small space in to the processing of grinding to the work piece assigned position.
Example 2:
fig. 4 is a schematic structural diagram of a second embodiment of the continuous heating device for a mold for processing and producing a lead-acid battery of the present invention; as shown in fig. 4, where the same or corresponding components as in the first embodiment are given the same reference numerals as in the first embodiment, only the differences from the first embodiment will be described below for the sake of convenience. The second embodiment is different from the first embodiment shown in fig. 1 in that:
as shown in fig. 4 to 6, the linkage mechanism 4 includes an eccentric shaft 41 and a connecting rod 42;
the eccentric shaft 41 is sleeved on the rotating shaft of the oscillator 2, one end of the connecting rod 42 is hinged to the eccentric shaft 41, and the other end of the connecting rod 42 drives the grinding head 3 to rotate and swing.
Further, the grinding head 3 is rotatably and swingably attached to the base 1 through a swing bush 31, and the swing bush 31 is hinged to the link 42.
Further, the swing bush 31 is mounted on the base 1 via a positioning shaft 32 and a bearing 33.
A semicircular oilstone seat 34 is provided between the upper end surface of the swing bush 31 and the base 1.
In addition, a hinge mounting position of the eccentric shaft 41 and the connecting rod 42 and a hinge mounting position of the connecting rod 42 and the swing bush 31 are respectively provided with a pin shaft 411 and a kidney-shaped hole 421 which are mutually inserted and matched.
It should be noted that, by providing the waist-shaped hole 421, the link 42 swings to obtain a sufficient operation margin during the rotation of the link 42 along with the eccentric shaft 41, so that the oscillation polishing of the polishing head 3 is smoother.
It should be further noted that, in cooperation with the arrangement of the oscillating bush 31 and the bearing 33, the grinding head 3 can perform high-frequency and high-speed rotary oscillation without abrasion.
Example 3:
fig. 7 is a schematic structural diagram of a third embodiment of the continuous heating device for dies used in lead-acid battery production of the present invention; as shown in fig. 7, in which the same or corresponding components as those in the second embodiment are denoted by the same reference numerals as those in the second embodiment, only the differences from the first embodiment will be described below for the sake of convenience. The third embodiment is different from the second embodiment shown in fig. 1 in that:
as shown in fig. 7 to 9, a positioning pin 301 and a waist hole 302 are provided at a position where the grinding head 3 and the swing bush 31 are attached and connected to each other.
Further, an elastic adjusting member 303 for adjusting the oscillating motion of the polishing head 3 is disposed between the polishing head 3 and the oscillating bushing 31.
It should be noted that, in the polishing head 3 of the present application, the spring element 303 is disposed between the swing bushings 31, so that when the polishing head 3 performs the oscillation polishing operation, the polishing head 3 receives a reaction force of the workpiece, and the polishing head 3 can perform adaptive adjustment according to a polishing stress condition, thereby improving the polishing quality and the polishing effect of the polishing head 3.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. A superfine oscillating grinding head is characterized by comprising:
a base (1), an oscillator (2) and a grinding head (3);
install on base (1) oscillator (2) reach grinding head (3), grinding head (3) rotatory swing sets up, oscillator (2) through install in link gear (4) in base (1) drive grinding head (3) vibrate the swing and grind work to the work piece.
2. The ultra-precise oscillating polishing head of claim 1, wherein:
the base (1) comprises a base plate (11) arranged horizontally and a connecting plate (12) arranged vertically, a horizontally arranged suspension finger (13) is arranged between the base plate (11) and the connecting plate (12), and the interior of the suspension finger (13) is hollowed;
the oscillator (2) is vertically installed on the base plate (11), the grinding head (3) is installed at the suspended end portion of the suspension finger (13), and the linkage mechanism (4) is installed inside the hollow portion of the suspension finger (13).
3. The ultra-precise oscillating polishing head of claim 1, wherein:
the oscillator (2) is a motor, and the linkage mechanism (4) is a crank link mechanism.
4. The ultra-precise oscillating polishing head of claim 3, wherein:
the linkage mechanism (4) comprises an eccentric shaft (41) and a connecting rod (42);
the eccentric shaft (41) is sleeved on the rotating shaft of the oscillator (2), one end of the connecting rod (42) is hinged with the eccentric shaft (41), and the other end of the connecting rod (42) drives the grinding head (3) to rotate and swing.
5. The ultra-precision oscillating grinding head of claim 4, wherein:
the grinding head (3) is rotatably and swing-mounted on the base (1) through a swing bush (31), and the swing bush (31) is hinged with the connecting rod (42).
6. The ultra-precise oscillating polishing head of claim 5, wherein:
the swing bush (31) is mounted on the base (1) through a positioning shaft (32) and a bearing (33).
7. The ultra-precise oscillating polishing head according to any one of claims 5 or 6, wherein:
a semicircular oilstone seat (34) is arranged between the upper end face of the swing bushing (31) and the base (1).
8. The ultra-precise oscillating polishing head of claim 5, wherein:
the hinge mounting positions of the eccentric shaft (41) and the connecting rod (42) and the hinge mounting positions of the connecting rod (42) and the swing bush (31) are respectively provided with a pin shaft (411) and a waist-shaped hole (421) which are mutually inserted and matched.
9. The ultra-precision oscillating grinding head of claim 5, wherein:
and a positioning pin (301) and a waist hole (302) which are mutually inserted are arranged at the mounting and connecting position of the grinding head (3) and the swing bush (31).
10. The ultra-precision oscillating grinding head of any one of claims 5 or 9, wherein:
an elastic adjusting piece (303) for adjusting the oscillation and the swing of the grinding head (3) is arranged between the grinding head (3) and the swing bushing (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221771843.8U CN217966534U (en) | 2022-07-11 | 2022-07-11 | Super-precision oscillation grinding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221771843.8U CN217966534U (en) | 2022-07-11 | 2022-07-11 | Super-precision oscillation grinding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217966534U true CN217966534U (en) | 2022-12-06 |
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ID=84278129
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221771843.8U Active CN217966534U (en) | 2022-07-11 | 2022-07-11 | Super-precision oscillation grinding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217966534U (en) |
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2022
- 2022-07-11 CN CN202221771843.8U patent/CN217966534U/en active Active
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