CN220145629U - Arc grinding head - Google Patents
Arc grinding head Download PDFInfo
- Publication number
- CN220145629U CN220145629U CN202321293961.7U CN202321293961U CN220145629U CN 220145629 U CN220145629 U CN 220145629U CN 202321293961 U CN202321293961 U CN 202321293961U CN 220145629 U CN220145629 U CN 220145629U
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- Prior art keywords
- eccentric
- module
- sleeve
- rotate
- grinding
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- 230000005540 biological transmission Effects 0.000 claims abstract description 57
- 238000005498 polishing Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 description 9
- 238000003754 machining Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000007730 finishing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
Abstract
The utility model discloses an arc grinding head, which is used for a superfinishing grinding machine and comprises: a driving module; the eccentric transmission module is connected with the driving module and is driven to rotate by the driving module; the grinding module is connected with the eccentric transmission module, and is driven by the eccentric transmission module to grind the external part to be processed. The utility model has high grinding precision, compact structure and small occupied space, is convenient to be arranged on the superfinishing grinding machine, and indirectly reduces the volume of the superfinishing grinding machine.
Description
Technical Field
The utility model relates to the technical field of grinding heads, in particular to an arc-shaped grinding head.
Background
Finishing (see cutting) of the finished surface with fine-grained oilstones mounted on the vibrating head. Superfinishing is typically performed after the finishing process with a machining allowance of only a few microns and is suitable for machining outer circles, inner circles, flat surfaces, grooved surfaces, spherical surfaces, etc. of crankshafts, rollers, bearing rings and various precision parts.
Ultra-precision machining is a machining process in which materials are micro-cut by utilizing relative motion with strict constraint generated between parts and cutters on ultra-precision machine tool equipment to obtain extremely high shape precision and surface finish. The precision of the method is from micron to submicron or even nanometer, the application range of the method is gradually wide, the method is widely applied to the high technical field, the military industry and the civil industry, and particularly the electric automation field, such as very large scale integrated circuits, high-precision magnetic discs, precision radars, missile fire control systems, precision machine tools, precision instruments, video recorder magnetic heads, duplicator magnetic drums, gas cooker rotary valves and the like, and ultra-precision machining technologies are adopted.
At present, when the inner ring and the outer ring of the annular body of the bearing are ground, the grinding head is used for driving the oilstone to carry out arc grinding, but at present, an arc grinding driving mechanism adopts a connecting rod driving mode, the whole size is overlarge, the grinding head is added into the grinding machine, the whole size of the grinding machine is also increased, the connecting rod is adopted as driving, and the precision is low.
Disclosure of Invention
According to an embodiment of the present utility model, there is provided an arcuate grinding bit for use in an ultra-fine grinding machine, comprising:
a driving module;
the eccentric transmission module is connected with the driving module and is driven to rotate by the driving module;
the grinding module is connected with the eccentric transmission module, and is driven by the eccentric transmission module to grind the external part to be processed.
Further, the driving module includes: a motor and a belt drive mechanism;
the output end of the motor is connected with the belt transmission mechanism, the belt driving mechanism is connected with the eccentric transmission module, and the motor drives the belt transmission mechanism to rotate and drives the eccentric transmission module to rotate.
Further, the eccentric transmission module includes:
the eccentric assembly is connected with the belt transmission mechanism and is driven to rotate by the belt transmission mechanism;
one end of the connecting piece is connected with the eccentric assembly;
the transmission assembly is connected with the other end of the connecting piece;
the sliding block is sleeved at the other end of the connecting piece and is connected with the transmission assembly.
Further, the eccentric assembly comprises: eccentric shaft and eccentric sleeve;
the eccentric shaft is arranged in the eccentric sleeve and is connected with the eccentric sleeve, the outer wall of the eccentric sleeve is connected with the belt transmission mechanism, and the eccentric sleeve drives the eccentric shaft to rotate.
Further, an eccentric groove is formed in the eccentric sleeve, and the eccentric shaft is arranged in the eccentric groove.
Further, one end of the eccentric shaft is provided with a eccentric opening, and one end of the connecting piece extends into the eccentric opening.
Further, the transmission assembly includes: the transmission sleeve is sleeved at the top of the rotating shaft, and the bottom of the rotating shaft is connected with the grinding module.
Further, one side of the transmission sleeve is provided with a release groove, and the sliding block is connected in the release groove in a sliding way.
Further, the polishing module includes: pneumatic drive and oilstone rack;
the oilstone frame is provided with oilstones;
the pneumatic driver is arranged at the bottom of the rotating shaft, the oilstone frame is connected with the output end of the pneumatic driver, and the pneumatic driver drives the oilstone frame to be close to an external part to be processed.
According to the arc grinding head provided by the embodiment of the utility model, the grinding precision is high, the structure is compact, the occupied space is small, the arc grinding head is convenient to install on a superfinishing grinding machine, and the volume of the superfinishing grinding machine is also indirectly reduced.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and are intended to provide further explanation of the technology claimed.
Drawings
FIG. 1 is a schematic plan view of an arcuate grinding bit according to an embodiment of the utility model;
FIG. 2 is a plan cross-sectional view of an arcuate grinding bit according to an embodiment of the utility model;
fig. 3 is a schematic perspective view of an arc grinding bit according to an embodiment of the utility model.
Description of the embodiments
The preferred embodiments of the present utility model will be described in detail below with reference to the attached drawings, which further illustrate the present utility model.
Firstly, an arc grinding head according to an embodiment of the utility model will be described with reference to fig. 1 to 3, and the arc grinding head is used on a superfinishing machine and has a wide application range.
As shown in fig. 1, the arcuate grinding bit of the embodiment of the utility model has a driving module 1, an eccentric transmission module 2 and a grinding module 3.
Specifically, as shown in fig. 1, the eccentric transmission module 2 is connected with the driving module 1, and the eccentric transmission module 2 is driven to rotate by the driving module 1; the grinding module 3 is connected with the eccentric transmission module 2, and the grinding module 3 is driven by the eccentric transmission module 2 to grind the external part to be processed. The grinding head of the embodiment replaces the original connecting rod driving mechanism, so that the grinding volume can be reduced, the grinding head is more compact, the precision is higher, and the grinding head is convenient to install on a superfinishing grinding machine.
Further, as shown in fig. 1 and 2, the driving module 1 includes: a motor 11 and a belt transmission mechanism 12; the output end of the motor 11 is connected with a belt transmission mechanism 12, the belt transmission mechanism is connected with the eccentric transmission module 2, and the motor 11 drives the belt transmission mechanism 12 to rotate and drives the eccentric transmission module 2 to rotate.
Further, as shown in fig. 2 and 3, the eccentric transmission module 2 includes: eccentric assembly 21, connecting piece 22, transmission assembly 23 and slide block 24; the eccentric component 21 is connected with the belt transmission mechanism 12, and the eccentric component 21 is driven to rotate by the belt transmission mechanism 12; one end of the connecting piece 22 is connected with the eccentric assembly 21; the transmission assembly 23 is connected with the other end of the connecting piece 22; the slider 24 is sleeved at the other end of the connecting piece 22 and is connected with the transmission component 23, and compared with the traditional connecting rod type transmission, the connection mode improves the grinding precision.
Further, as shown in fig. 2 and 3, the eccentric assembly 21 includes: an eccentric shaft 211 and an eccentric sleeve 212; the eccentric shaft 211 is arranged in the eccentric sleeve 212 and is connected with the eccentric sleeve 212, the outer wall of the eccentric sleeve 212 is connected with the belt transmission mechanism 12, and the eccentric sleeve 212 drives the eccentric shaft 211 to rotate, so that the stability of movement is ensured.
Further, an eccentric groove (not shown) is provided inside the eccentric sleeve 212, and an eccentric shaft 211 is provided in the eccentric groove; one end of the eccentric shaft 211 is provided with a eccentric opening (not shown in the drawings), and one end of the connecting piece 22 extends into the eccentric opening.
Further, as shown in fig. 2 and 3, the transmission assembly 23 includes: a driving sleeve 231 and a rotation shaft 232; the transmission sleeve 231 is sleeved on the top of the rotating shaft 232, and the bottom of the rotating shaft 232 is connected with the grinding module 3.
Further, as shown in fig. 2 and 3, a release groove 2311 is formed on one side of the transmission sleeve 231, and the slide block 24 is slidably connected in the release groove 2311, so that when the slide block 24 eccentrically rotates, the power in the up-down direction is released, and only the power in the left-right direction is reserved, thereby facilitating the grinding of the parts.
Further, as shown in fig. 2 and 3, the polishing module 3 includes: a pneumatic drive 31 and an oilstone rack (not shown in the figures); the oilstone frame is provided with oilstones; the pneumatic driver 31 is arranged at the bottom of the rotating shaft 232, and the oilstone frame is connected with the output end of the pneumatic driver 31, and the pneumatic driver 31 drives the oilstone frame to be close to the external part to be processed. In this embodiment, the rotatable shaft 232 can rotate by an angle ranging from 0 ° to 30 °, that is, the rotatable angle of the oilstone rack connected to the pneumatic driver 31 is also 0 ° to 30 °, and the rotatable angle of the oilstone is also 0 ° to 30 °, so as to realize arc grinding.
When the device is used, an oilstone frame with oilstones outside is connected with the output end of the pneumatic driver 31, the pneumatic driver 31 drives the oilstones on the oilstone frame to be close to a part to be processed, the motor 11 drives the belt transmission mechanism 12 to rotate, the eccentric sleeve 212 is driven to rotate, the eccentric shaft 211 follows the eccentric sleeve 212 to rotate, the connecting rod is further driven to rotate, the sliding block 24 is driven to rotate, due to the eccentric arrangement, when the sliding block 24 eccentrically rotates, the sliding block 24 can be released in a power mode through the release groove 2311 in the vertical direction, the sliding block 24 vertically moves in the release groove 2311, and when the sliding block rotates to the left and right directions, the sliding block 24 drives the transmission sleeve 231 to rotate left and right due to the fact that no releasable space exists, the rotating shaft 232 is driven to rotate left and right by the pneumatic driver 31, the oilstones on the oilstone frame are driven to rotate left and right by the rotating shaft 232, and the angle of the oilstones is 0-30 degrees, so that arc grinding is achieved.
In the above, the arc grinding head according to the embodiment of the utility model has high grinding precision and small occupied space, is convenient to be installed on the ultra-fine grinding machine, and also indirectly reduces the volume of the ultra-fine grinding machine, as described with reference to fig. 1-3.
It should be noted that in this specification the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising … …" does not exclude the presence of additional identical elements in a process, method, article, or apparatus that comprises an element.
While the present utility model has been described in detail through the foregoing description of the preferred embodiment, it should be understood that the foregoing description is not to be considered as limiting the utility model. Many modifications and substitutions of the present utility model will become apparent to those of ordinary skill in the art upon reading the foregoing. Accordingly, the scope of the utility model should be limited only by the attached claims.
Claims (9)
1. An arcuate grinding bit for use in a superfinishing machine, comprising:
a driving module;
the eccentric transmission module is connected with the driving module and is driven to rotate by the driving module;
the grinding module is connected with the eccentric transmission module, and is driven by the eccentric transmission module to grind the external part to be processed.
2. The arcuate polishing head of claim 1 wherein the drive module comprises: a motor and a belt drive mechanism;
the output end of the motor is connected with the belt transmission mechanism, the belt transmission mechanism is connected with the eccentric transmission module, and the motor drives the belt transmission mechanism to rotate and drives the eccentric transmission module to rotate.
3. The arcuate grinding bit of claim 2 wherein said eccentric drive module comprises:
the eccentric assembly is connected with the belt transmission mechanism and is driven to rotate by the belt transmission mechanism;
one end of the connecting piece is connected with the eccentric assembly;
the transmission assembly is connected with the other end of the connecting piece;
the sliding block is sleeved at the other end of the connecting piece and is connected with the transmission assembly.
4. The arcuate grinding bit of claim 3 wherein said eccentric assembly comprises: eccentric shaft and eccentric sleeve;
the eccentric shaft is arranged in the eccentric sleeve and is connected with the eccentric sleeve, the outer wall of the eccentric sleeve is connected with the belt transmission mechanism, and the eccentric sleeve drives the eccentric shaft to rotate.
5. The arcuate grinding bit as defined in claim 4 wherein an eccentric groove is provided in the interior of said eccentric sleeve, said eccentric shaft being disposed in said eccentric groove.
6. The arcuate grinding bit as defined in claim 4 wherein one end of said eccentric shaft defines an eccentric opening, and one end of said connector extends into said eccentric opening.
7. The arcuate grinding bit of claim 4 wherein said drive assembly comprises: the transmission sleeve is sleeved at the top of the rotating shaft, and the bottom of the rotating shaft is connected with the grinding module.
8. The arcuate grinding bit as defined in claim 7 wherein a release slot is provided in one side of said drive sleeve, said slider being slidably coupled within said release slot.
9. The arcuate polishing head of claim 7 wherein the polishing module comprises: pneumatic drive and oilstone rack;
the oilstone frame is provided with oilstones;
the pneumatic driver is arranged at the bottom of the rotating shaft, the oilstone frame is connected with the output end of the pneumatic driver, and the pneumatic driver drives the oilstone frame to be close to an external part to be processed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321293961.7U CN220145629U (en) | 2023-05-26 | 2023-05-26 | Arc grinding head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321293961.7U CN220145629U (en) | 2023-05-26 | 2023-05-26 | Arc grinding head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220145629U true CN220145629U (en) | 2023-12-08 |
Family
ID=89017721
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321293961.7U Active CN220145629U (en) | 2023-05-26 | 2023-05-26 | Arc grinding head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220145629U (en) |
-
2023
- 2023-05-26 CN CN202321293961.7U patent/CN220145629U/en active Active
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