CN212497458U - Machining tool for ensuring D-shaped hole and tooth angle of gear - Google Patents
Machining tool for ensuring D-shaped hole and tooth angle of gear Download PDFInfo
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- CN212497458U CN212497458U CN202021348676.7U CN202021348676U CN212497458U CN 212497458 U CN212497458 U CN 212497458U CN 202021348676 U CN202021348676 U CN 202021348676U CN 212497458 U CN212497458 U CN 212497458U
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Abstract
The utility model discloses a processing tool for ensuring a D-shaped hole and a tooth angle of a gear, which comprises a base, a top and screws, wherein the base is provided with a gear fixing hole for fixing the gear and a top mounting hole for mounting the top, and the central line of the gear fixing hole and the central line of the top mounting hole are coplanar and mutually perpendicular; the tip is fastened in the tip mounting hole of the base through a screw. The beneficial effects are as follows: the gear is quickly installed, the connecting line of the tooth crest center point of one tooth and the inner hole center point is perpendicular to the flat filament surface of the D-shaped hole, the machining precision of the D-shaped hole of the gear is guaranteed, and the machining efficiency is greatly improved.
Description
Technical Field
The utility model relates to a gear machining tool, concretely relates to processing frock for guaranteeing gear D type hole and a tooth angle.
Background
At present, a method for machining a D-shaped hole of a gear has a marking mode, a connecting line of a tooth crest center point and an inner hole center point of one tooth is marked by manual marking, and the D-shaped hole is machined by linear cutting according to the connecting line position.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that improve gear D type hole and add clamping positioning efficiency man-hour, guarantee D type hole machining precision and reliability, the purpose is providing a processing frock that is used for guaranteeing gear D type hole and a tooth angle, realizes the gear and installs fast, has guaranteed the tooth top central point of a tooth and the flat filament face in line perpendicular to D type hole of hole central point, has greatly promoted machining efficiency.
The utility model discloses a following technical scheme realizes:
a machining tool for ensuring a D-shaped hole of a gear and a tooth angle comprises a base, a tip and a screw, wherein a gear fixing hole for fixing the gear and a tip mounting hole for mounting the tip are formed in the base, and the central line of the gear fixing hole and the central line of the tip mounting hole are coplanar and mutually perpendicular; the tip is fastened in the tip mounting hole of the base through a screw.
Furthermore, the centre mounting hole part of the base is provided with a threaded hole for mounting a screw, and the centre line of the centre mounting hole and the centre line of the threaded hole are coplanar and mutually perpendicular.
Further, the top contact end of the tip is a V-shaped opening.
Furthermore, the top contact end of the tip is an involute opening with two symmetrical sides.
Further, the center line of the tip mounting hole of the base is located at the upper part of the gear fixing hole.
Compared with the prior art, the utility model, following advantage and beneficial effect have: the utility model relates to a processing frock for guaranteeing gear D type hole and a tooth angle realizes that the gear is installed fast, has guaranteed the tooth top central point of a tooth and the flat filament face in line perpendicular to D type hole of hole central point, has guaranteed the machining precision in gear D type hole, has greatly promoted machining efficiency.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
fig. 1 is a front view of the structure of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a front view of the component 1 according to the present invention.
FIG. 4 is a top view of the component 1 of the present invention
Fig. 5 is a schematic structural view of the component 4 of the present invention.
Reference numbers and corresponding part names in the drawings:
1-base, 2-gear, 3-screw and 4-tip.
Detailed Description
To make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the following examples and drawings, and the exemplary embodiments and descriptions thereof of the present invention are only used for explaining the present invention, and are not intended as limitations of the present invention.
Examples
As shown in fig. 1-2, the utility model relates to a processing frock for guaranteeing gear D type hole and a tooth angle, including base 1, top 4 and screw 3, be equipped with the gear fixed orifices that is used for fixed gear and the top mounting hole that is used for installing top 4 on base 1, the central line of gear fixed orifices and the central line coplane of top mounting hole and mutually perpendicular; the centre 4 is fastened in the centre mounting hole of the base 1 through a screw 3.
Through the technical design, the gear 2 is arranged in the base gear fixing hole, the tip 4 is inserted to abut against one tooth of the gear 2, the connecting line of the tooth top center point of one tooth of the gear 2 and the gear inner hole center point is perpendicular to the flat wire surface of the D-shaped hole, and the tip 4 is locked by the screw 3 to finish part clamping. Thereby guaranteed the machining precision in gear D type hole, greatly promoted machining efficiency.
In some embodiments, the tip mounting hole portion of the base 1 is provided with a threaded hole for mounting the screw 3, and the center line of the tip mounting hole is coplanar with and perpendicular to the center line of the threaded hole.
By adopting the technology, the centre 4 is accurately positioned and fixed in the centre mounting hole of the base 1.
In some embodiments, the tip contact end of the tip 4 is a V-shaped opening.
By adopting the technology, the symmetry of the V-shaped opening is utilized to further ensure that the tooth crest center point of one tooth of the gear 2 falls on the axis of the tip 4, and further more quickly realize that the connecting line of the tooth crest center point of one tooth of the gear 2 and the gear inner hole center point is vertical to the flat filament surface of the D-shaped hole.
In some embodiments, the tip of the tip 4 is an involute opening with two symmetrical sides.
By adopting the technology, the symmetry of the involute-type opening is utilized, the tooth crest central point of one tooth of the gear 2 is further ensured to fall on the axis of the tip 4, and the connecting line of the tooth crest central point of one tooth of the gear 2 and the gear inner hole central point is vertical to the flat filament surface of the D-shaped hole more quickly.
In some embodiments, the center line of the tip mounting hole of the base 1 is located at the upper part of the gear fixing hole.
By adopting the technical design, the processing of the D-shaped holes of the gears with different thicknesses can be realized, and when the processed gears are thin, the round sleeves can be padded at the bottoms of the processed gears to heighten the processed gears.
The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (5)
1. A machining tool for ensuring a D-shaped hole and a tooth angle of a gear comprises a base (1) and is characterized by further comprising a tip (4) and a screw (3), wherein the base (1) is provided with a gear fixing hole for fixing the gear and a tip mounting hole for mounting the tip (4), and the center line of the gear fixing hole and the center line of the tip mounting hole are coplanar and mutually perpendicular; the centre (4) is fastened in the centre mounting hole of the base (1) through a screw (3).
2. The machining tool for ensuring the D-shaped hole and the tooth angle of the gear according to claim 1, wherein a threaded hole for mounting the screw (3) is formed in the tip mounting hole part of the base (1), and the center line of the tip mounting hole and the center line of the threaded hole are coplanar and perpendicular to each other.
3. The machining tool for ensuring the D-shaped hole and the tooth angle of the gear according to claim 1, wherein the top contact end of the top tip (4) is a V-shaped opening.
4. The machining tool for ensuring the D-shaped hole and the tooth angle of the gear according to claim 1, wherein the tip of the tip (4) is an involute opening with two symmetrical sides.
5. The machining tool for ensuring the D-shaped hole and the tooth angle of the gear according to claim 1, wherein the center line of the tip mounting hole of the base (1) is located at the upper part of the gear fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021348676.7U CN212497458U (en) | 2020-07-10 | 2020-07-10 | Machining tool for ensuring D-shaped hole and tooth angle of gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021348676.7U CN212497458U (en) | 2020-07-10 | 2020-07-10 | Machining tool for ensuring D-shaped hole and tooth angle of gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212497458U true CN212497458U (en) | 2021-02-09 |
Family
ID=74437005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021348676.7U Active CN212497458U (en) | 2020-07-10 | 2020-07-10 | Machining tool for ensuring D-shaped hole and tooth angle of gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212497458U (en) |
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2020
- 2020-07-10 CN CN202021348676.7U patent/CN212497458U/en active Active
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