CN218487274U - Drilling jig for drilling holes in two sides of cylindrical surface - Google Patents
Drilling jig for drilling holes in two sides of cylindrical surface Download PDFInfo
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- CN218487274U CN218487274U CN202222092476.5U CN202222092476U CN218487274U CN 218487274 U CN218487274 U CN 218487274U CN 202222092476 U CN202222092476 U CN 202222092476U CN 218487274 U CN218487274 U CN 218487274U
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Abstract
The utility model provides a face of cylinder both sides are drill jig for drilling, includes base and drill bushing, is provided with U type groove on the top surface of base, and the drill bushing is located directly over U type groove middle part and fixed connection on the base, has set firmly the locating piece in the one end in U type groove, is provided with the location ball on the tank bottom surface in U type groove, and the centre of sphere of location ball is located the axis of drill bushing. The U-shaped groove on the base is used for preventing the drill hole position of the workpiece from fluffing and being squeezed to be dead, the drill sleeve is used for guiding the drill bit and is matched with the positioning ball for positioning, the position of the drill hole is ensured to be accurate and reliable, and the two-time drilling is packaged to be coaxial; the utility model discloses simple structure, the processing and the use of being convenient for.
Description
Technical Field
The utility model relates to a work piece processing technique, concretely relates to face of cylinder both sides are drilling jig for drilling.
Background
The planet gear shaft is a part on the helical gear speed reducer, a 2-phi 4.5 hole needs to be drilled on the cylindrical surface, the hole is drilled on the phi 35.4 cylindrical surface by directly using a drilling machine and is easy to slip, the phi 4.5 hole is easy to pass through at one time, and the efficiency is low.
SUMMERY OF THE UTILITY MODEL
Problem to among the prior art, the utility model provides a face of cylinder both sides are jig for drilling, aim at fixes a position planetary gear axle, conveniently drills on the face of cylinder to guarantee that the position of drilling is accurate reliable.
The drilling jig comprises a base and a drilling sleeve, wherein a U-shaped groove is formed in the top surface of the base, the drilling sleeve is located right above the middle of the U-shaped groove and is fixedly connected to the base, a positioning block is fixedly arranged at one end of the U-shaped groove, a positioning ball is arranged on the bottom surface of the U-shaped groove, and the center of the positioning ball is located on the axis of the drilling sleeve.
Further comprises the following steps: the positioning ball is positioned in the positioning through hole and is in sliding fit with the positioning through hole, an annular stop block is fixedly arranged on the inner wall at the upper end port of the positioning through hole, a compression spring is movably sleeved in the positioning through hole, the upper end of the compression spring is abutted against the lower part of the positioning ball, the lower part of the compression spring is fixedly arranged on the lower part of the positioning through hole, the upper part of the positioning ball penetrates out of the annular stop block, and the middle part of the positioning ball is stopped on the annular stop block.
Further comprises the following steps: the side walls on the two sides of the U-shaped groove are obliquely arranged and form obtuse angles with the bottom surface of the U-shaped groove.
Further comprises the following steps: the drill bit comprises a base, a drill sleeve and a base, wherein the base is fixedly connected with the top surface of the base, the top of the base is provided with a cross arm, one end of the cross arm is fixedly connected with the base, and the drill sleeve is fixedly arranged at the end head of the other end of the cross arm. The cross arm is designed to facilitate feeding and discharging between the cross arm and the U-shaped groove.
Further comprises the following steps: the U-shaped groove is far away from one end opening of the positioning block.
Further comprises the following steps: the positioning block is fixedly arranged on the mounting seat, the mounting seat is fixedly connected to the base through screws, and the position of the positioning block is adjusted by replacing the mounting seat, so that the planetary gear shaft is suitable for planetary gear shafts with different lengths.
The utility model has the advantages that: the U-shaped groove on the base is used for preventing the drill hole position of the workpiece from fluffing and being squeezed to be dead, the drill sleeve is used for guiding the drill bit and is matched with the positioning ball for positioning, the position of the drill hole is ensured to be accurate and reliable, and the two-time drilling is packaged to be coaxial; the utility model discloses simple structure, be convenient for processing and use.
Drawings
FIG. 1 is a schematic sectional view of the planetary gear shaft of the present invention;
FIG. 2 is a schematic view of the positioning relationship between the present invention and the planetary gear shaft;
fig. 3 is an enlarged view of a region a in fig. 2.
In the figure, 1, a base; 11. a U-shaped groove; 12. a cross arm; 13. a column; 14. positioning the through hole; 141. an annular stop block; 2. drilling a sleeve; 3. positioning blocks; 31. a mounting seat; 4. a planetary gear shaft; 41. an aperture; 5. a positioning ball; 51. a compression spring; 52. and (7) a plug.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings. Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention. The terms of left, middle, right, upper and lower directions in the examples of the present invention are only relative concepts or reference to the normal use status of the product, and should not be considered as limiting.
The first embodiment:
a drilling jig for drilling holes in two sides of a cylindrical surface is shown in a combined drawing 1 and a drawing 2 and comprises a base 1 and a drill bushing 2, wherein a U-shaped groove 11 is formed in the top surface of the base 1, side walls on two sides of the U-shaped groove 11 are obliquely arranged and form an obtuse angle with the bottom surface of the U-shaped groove 11, the drill bushing 2 is located right above the middle of the U-shaped groove 11 and is fixedly connected to the base 1, a positioning block 3 is fixedly arranged at one end of the U-shaped groove 11, which is far away from the positioning block 3, is provided with an opening, a positioning ball 5 is arranged on the bottom surface of the U-shaped groove 11, the center of the positioning ball 5 is located on the axis of the drill bushing 2, a vertical positioning through hole 14 is formed in the bottom surface of the U-shaped groove 11 and corresponds to the positioning ball 5, the positioning ball 5 is located in the positioning through hole 14 and is in sliding fit with the positioning through hole 14, an annular stopper 141 is fixedly arranged on the inner wall at the upper end opening of the positioning through hole 14, a compression spring 51 is sleeved in the positioning through hole 14, the upper end of the compression spring 51, the compression spring 51 is in abutting fit with a lower end of the annular stopper 52, and the annular stopper 52 which penetrates out of the annular stopper 5.
Wherein, a vertical column is fixedly connected to the top surface of the base, a cross arm 12 is arranged at the top of the vertical column 13, one end of the cross arm 12 is fixedly connected with the vertical column 13, and the drill bushing 2 is fixedly mounted at the other end of the cross arm 12.
The utility model discloses a theory of operation: the planetary gear shaft 4 is placed in the matched U-shaped groove 11, namely the bottom surface and the side wall of the U-shaped groove 11 are attached to the circumferential surface of the planetary gear shaft 4, one end face of the planetary gear shaft 4 is abutted to the positioning block 3, the position of the planetary gear shaft 4 corresponding to the drill bushing 2 up and down is the drilling position, a first hole 41 with the diameter of 4.5 is drilled at the drilling position, at the moment, the positioning ball 5 is positioned in the positioning through hole 14 under the action of the gravity of the planetary gear shaft 4, and the compression spring 51 is in a compressed state. Then, the planet pin 4 is rotated 180 degrees, the positioning ball 5 is ejected from the positioning through hole 14 under the action of the compression spring 51 and is clamped in the first hole 41 with the diameter of 4.5, so that the planet pin 4 is positioned, and the drill sleeve 2 is matched to drill the second hole 41 with the diameter of 4.5 on the planet pin 4, so that the first hole 41 with the diameter of 4.5 and the second hole 41 with the diameter of 4.5 are positioned on the same axis.
Second embodiment:
other characteristics are that in the same situation as the first embodiment, as shown in fig. 2, the positioning block 3 is fixedly arranged on the mounting seat 31, the mounting seat 31 is fixedly connected to the base 1 through screws, and the position of the positioning block 3 is adjusted by replacing the mounting seat 31, so as to adapt to the planet gear shafts 4 with different lengths.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a drilling jig for drilling of face of cylinder both sides which characterized in that: including base and drill bushing be provided with U type groove on the top surface of base, the drill bushing is located just over U type groove middle part and fixed connection be in on the base the one end in U type groove has set firmly the locating piece be provided with the location ball on the tank bottom surface in U type groove, the centre of sphere of location ball is located on the axis of drill bushing.
2. The jig for drilling on both sides of a cylindrical surface according to claim 1, characterized in that: the positioning ball is positioned in the positioning through hole and is in sliding fit with the positioning through hole, an annular stop block is fixedly arranged on the inner wall at the upper end port of the positioning through hole, a compression spring is movably sleeved in the positioning through hole, the upper end of the compression spring is abutted against the lower part of the positioning ball, the lower part of the compression spring is fixedly arranged on the lower part of the positioning through hole, the upper part of the positioning ball penetrates out of the annular stop block, and the middle part of the positioning ball is stopped on the annular stop block.
3. The jig for drilling on both sides of a cylindrical surface according to claim 1, characterized in that: the side walls on the two sides of the U-shaped groove are obliquely arranged and form an obtuse angle with the bottom surface of the U-shaped groove.
4. The jig for drilling on both sides of a cylindrical surface according to claim 1, characterized in that: the drill bit comprises a base, a drill sleeve and a base, wherein the base is fixedly connected with the top surface of the base, the top of the base is provided with a cross arm, one end of the cross arm is fixedly connected with the base, and the drill sleeve is fixedly arranged at the end head of the other end of the cross arm.
5. The jig for drilling on both sides of a cylindrical surface according to claim 1, wherein: the U-shaped groove is far away from one end opening of the positioning block.
6. The jig for drilling on both sides of a cylindrical surface according to claim 1, wherein: the positioning block is fixedly arranged on the mounting seat, and the mounting seat is fixedly connected to the base through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222092476.5U CN218487274U (en) | 2022-08-10 | 2022-08-10 | Drilling jig for drilling holes in two sides of cylindrical surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222092476.5U CN218487274U (en) | 2022-08-10 | 2022-08-10 | Drilling jig for drilling holes in two sides of cylindrical surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218487274U true CN218487274U (en) | 2023-02-17 |
Family
ID=85186347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222092476.5U Active CN218487274U (en) | 2022-08-10 | 2022-08-10 | Drilling jig for drilling holes in two sides of cylindrical surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218487274U (en) |
-
2022
- 2022-08-10 CN CN202222092476.5U patent/CN218487274U/en active Active
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