CN223477342U - Annular part angle positioning grinding tool - Google Patents
Annular part angle positioning grinding toolInfo
- Publication number
- CN223477342U CN223477342U CN202422935562.7U CN202422935562U CN223477342U CN 223477342 U CN223477342 U CN 223477342U CN 202422935562 U CN202422935562 U CN 202422935562U CN 223477342 U CN223477342 U CN 223477342U
- Authority
- CN
- China
- Prior art keywords
- centering
- positioning
- center
- seat
- rotating shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- Constituent Portions Of Griding Lathes, Driving, Sensing And Control (AREA)
Abstract
The utility model discloses an angle positioning grinding tool for a circular ring part, and relates to the technical field of part machining. The annular part angle positioning grinding tool comprises a base and a centering indexing rotating shaft, wherein a first center seat and a second center seat are arranged at the side of the upper surface of the base, a guide positioning seat is arranged on the upper surface of the base, a fixed center is fixedly connected to the inside of the first center seat, a first cylinder is fixedly connected to the outer surface of the second center seat, a top-tightening center is arranged at the output end of the first cylinder, a second cylinder is fixedly connected to the outer surface of the guide positioning seat, a positioning wedge is arranged at the output end of the second cylinder, a locking nut is connected to the side of the outer surface of the centering indexing rotating shaft in a threaded manner, and a centering expansion sleeve is arranged on the outer surface of the centering indexing rotating shaft.
Description
Technical Field
The utility model relates to the technical field of part machining, in particular to an angle positioning grinding tool for a circular part.
Background
Different machining processes and equipment are needed for machining different workpieces, various tools are needed to be used, the positioning grinding tool is a tool used for determining the position of the workpiece and performing grinding machining in the machining process, and the positioning grinding tool is mainly used for guaranteeing the position fixing of the workpiece in the grinding process, so that the machining accuracy and repeatability are guaranteed, and the machining efficiency and quality are improved. When the existing positioning grinding tool is used for processing the circular ring part, the parallel precision and the vertical precision of the part cannot be guaranteed due to clamping errors, and large errors are easily generated, so that the processing precision of the circular ring part is affected.
Disclosure of utility model
Aiming at the defects of the prior art, the utility model provides an angle positioning grinding tool for a ring part, which aims to solve the existing problems in the background art.
The annular part angle positioning grinding tool comprises a base and a centering indexing rotating shaft, wherein a first center seat and a second center seat are arranged on the side of the upper surface of the base, a guide positioning seat is arranged on the upper surface of the base, a fixed center is fixedly connected to the inside of the first center seat, a first cylinder is fixedly connected to the outer surface of the second center seat, a jacking center is arranged at the output end of the first cylinder, a second cylinder is fixedly connected to the outer surface of the guide positioning seat, a positioning wedge is arranged at the output end of the second cylinder, a locking nut is connected to the side of the outer surface of the centering indexing rotating shaft in a threaded mode, and a centering expansion sleeve is arranged on the outer surface of the centering indexing rotating shaft.
Preferably, the first center seat and the second center seat are oppositely arranged on the upper surface of the base, and the outer surface of the top center is sleeved with a through hole in the second center seat.
Preferably, a first centering hole and a second centering hole are respectively arranged at two ends of the centering indexing rotating shaft, the inner surface of the first centering hole is in extrusion fit with the end part of the fixed center, and the inner surface of the second centering hole is in extrusion fit with the end part of the jacking center.
Preferably, tooth grooves are formed in the outer surface of the centering indexing rotating shaft, and the inner surfaces of the tooth grooves are in extrusion fit with the outer surfaces of the positioning wedge blocks.
Preferably, the inner surface of the centering expansion sleeve is matched with the outer surface of the centering indexing rotary shaft, and the end surface of the lock nut is attached to the end surface of the centering expansion sleeve.
Preferably, the inside of the guide positioning seat is provided with a special-shaped hole, and the inner surface of the special-shaped hole is sheathed and matched with the outer surface of the positioning wedge block.
Advantageous effects
The utility model provides an angle positioning grinding tool for a circular ring part. The beneficial effects are as follows:
(1) According to the annular part angle positioning grinding tool, through the cooperation among the centering indexing rotating shaft, the centering expansion sleeve, the locking nut, the fixed center, the propping center, the positioning wedge and the guide positioning seat, the centering expansion sleeve and the locking nut are firstly utilized to attach and expand the center round hole of the round workpiece on the centering indexing rotating shaft, centering and fixing rotational freedom degrees are achieved, the perpendicularity between a plane to be machined and the end face of the workpiece is guaranteed, the fixed center and the propping center are utilized to release and prop up the centering indexing rotating shaft, positioning clamping is achieved, the degree of freedom of the workpiece is further limited, meanwhile, a tooth slot on the centering indexing rotating shaft is tightly attached to a wedge structure at the front end of the positioning wedge, and the second cylinder drives the positioning wedge to move along the special-shaped hole, so that the positioning of the rotating angle of the centering indexing rotating shaft can be achieved, and the purpose of accurate positioning is achieved.
(2) The annular part angle positioning grinding tool can be used for grinding one or more planes on the outer circle of the annular part and milling one or more key grooves on the outer circle of the annular part through the centering indexing rotating shaft, the positioning wedge block, the centering indexing rotating shaft, the centering expansion sleeve, the locking nut, the fixed center and the jacking center, so that the parallel precision of a processing plane and the central line of the annular part is improved, and the perpendicular precision of the processing plane and the end face of the annular part is also improved.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic plan view of the whole front view of the present utility model;
FIG. 3 is a schematic plan view of the overall top view of the present utility model;
FIG. 4 is a schematic view of the structure of the centering indexing rotating shaft of the present utility model;
FIG. 5 is a schematic side sectional view of a centering index rotary shaft of the present utility model;
Fig. 6 is a schematic structural view of the guiding and positioning seat of the present utility model.
In the figure, 1, a base; 2, a first center seat, 3, a fixed center, 4, a centering indexing rotating shaft, 5, a locking nut, 6, a centering expansion sleeve, 7, a top-tightening center, 8, a guiding and positioning seat, 9, a positioning wedge block, 10, a first positioning hole, 11, a second centering hole, 12, a first cylinder, 13, a second cylinder, 14, a tooth socket, 15, a special-shaped hole, 16 and a second center seat.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
As shown in fig. 1-6, the utility model provides an angle positioning grinding tool for a ring part, which comprises a base 1 and a centering indexing rotary shaft 4, wherein a first center seat 2 and a second center seat 16 are arranged at the side of the upper surface of the base 1, a guiding positioning seat 8 is arranged on the upper surface of the base 1, a fixed center 3 is fixedly connected to the inner part of the first center seat 2, a first cylinder 12 is fixedly connected to the outer surface of the second center seat 16, a jacking center 7 is arranged at the output end of the first cylinder 12, a second cylinder 13 is fixedly connected to the outer surface of the guiding positioning seat 8, a positioning wedge 9 is arranged at the output end of the second cylinder 13, a locking nut 5 is connected to the side of the outer surface of the centering indexing rotary shaft 4 in a threaded manner, and a centering expansion sleeve 6 is arranged on the outer surface of the centering indexing rotary shaft 4.
Specifically, the first center seat 2 and the second center seat 16 are oppositely arranged on the upper surface of the base 1, and the outer surface of the top center 7 is sleeved with a through hole in the second center seat 16.
Specifically, the two ends of the centering indexing rotary shaft 4 are respectively provided with a first centering hole 10 and a second centering hole 11, the inner surface of the first centering hole 10 is in extrusion fit with the end part of the fixed center 3, and the inner surface of the second centering hole 11 is in extrusion fit with the end part of the jacking center 7.
Specifically, the outer surface of the centering indexing rotary shaft 4 is provided with tooth grooves 14, and the inner surface of the tooth grooves 14 is in extrusion fit with the outer surface of the positioning wedge 9.
Specifically, the inner surface of the centering expansion sleeve 6 is matched with the outer surface of the centering indexing rotary shaft 4, and the end surface of the lock nut 5 is attached to the end surface of the centering expansion sleeve 6.
Specifically, the inside of guide positioning seat 8 has seted up dysmorphism hole 15, and the adaptation is established to dysmorphism hole 15's internal surface and the surface cover of locating wedge 9, and dysmorphism hole 15 locating wedge 9 cooperation supports locating wedge 9, and dysmorphism hole 15 guide locating wedge 9 removes, realizes locating wedge 9 front end wedge structure and centering indexing rotation axis 4 graduation.
The working principle and the beneficial effects of the embodiment are as follows.
When in use, the bottom surface of the base 1 is positioned on the working table of a machine tool, then the center of a round workpiece is positioned on the centering indexing rotating shaft 4, the middle part of the centering indexing rotating shaft 4 is in a conical structure, the centering expansion sleeve 6 is sleeved, the inner circle of the centering expansion sleeve 6 is in a conical structure and matched with the conical structure of the centering indexing rotating shaft 4, the centering indexing rotating shaft 4 and the centering indexing rotating shaft are tightly attached, one end of the centering indexing rotating shaft 4 is provided with threads, the threads are matched with the locking nut 5, the end surface of the locking nut 5 is attached to the end surface of the centering expansion sleeve 6 to push the centering expansion sleeve 6 to expand on the centering indexing rotating shaft 4 through locking rotation of the locking nut 5, the central round hole of the workpiece is attached and expanded, the centering and fixed rotation freedom degree is achieved, the perpendicularity between a plane to be processed and the end surface of the workpiece is ensured, the accurate positioning is realized, the two ends of the centering indexing rotating shaft 4 are respectively provided with a first centering hole 10 and a second centering hole 11 matched with the fixed center 3 and a tightly-pushing center 7, the first centering hole 10 and the second centering hole 11 are tightly attached to the fixed center 3 and the jacking center 7, the fixed center 3 is fixed, rotation and movement are not needed, the jacking center 7 can horizontally move under the cooperation of the first air cylinder 12, loosening and jacking of the centering indexing rotating shaft 4 are realized, positioning and clamping are realized, further, the degree of freedom of a workpiece is limited, the first air cylinder 12 is responsible for moving the jacking center 7, positioning of the centering indexing rotating shaft 4 is realized, the first air cylinder 12 is loosened, the centering indexing rotating shaft 4 and the workpiece are taken down together, the first air cylinder 12 is tightly jacked, quick positioning is realized, the other end of the centering indexing rotating shaft 4 is provided with tooth grooves 14, the number and the angle of the tooth grooves 14 can be set according to the needs, the tooth grooves 14 are tightly attached to the wedge structure at the front end of the positioning wedge 9, the second air cylinder 13 drives the positioning wedge 9 to move along the special-shaped hole 15, the positioning of the rotation angle of the centering indexing rotary shaft 4 is realized.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, 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 more in the limited case. The term "comprising" an element defined by the term "comprising" does not exclude the presence of other identical elements in a process, method, article or apparatus that comprises the element.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422935562.7U CN223477342U (en) | 2024-11-28 | 2024-11-28 | Annular part angle positioning grinding tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422935562.7U CN223477342U (en) | 2024-11-28 | 2024-11-28 | Annular part angle positioning grinding tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223477342U true CN223477342U (en) | 2025-10-28 |
Family
ID=97439209
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422935562.7U Active CN223477342U (en) | 2024-11-28 | 2024-11-28 | Annular part angle positioning grinding tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223477342U (en) |
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2024
- 2024-11-28 CN CN202422935562.7U patent/CN223477342U/en active Active
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