CN215199785U - Middle shell center hole drilling jig tool - Google Patents
Middle shell center hole drilling jig tool Download PDFInfo
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- CN215199785U CN215199785U CN202121240954.1U CN202121240954U CN215199785U CN 215199785 U CN215199785 U CN 215199785U CN 202121240954 U CN202121240954 U CN 202121240954U CN 215199785 U CN215199785 U CN 215199785U
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Abstract
The utility model discloses a middle casing centre bore jig frock. Comprises a head and a rod body; the head and the rod body are of cylindrical structures, and the bottom surface of the head is connected with the rod body; the head part is divided into an upper drilling area and a positioning area, the upper drilling area is of an inclined plane structure, the included angle between the upper drilling area and a vertical plane is 42 degrees, an upper counter bore is arranged in the upper drilling area, the bottom of the upper counter bore is connected with a through upper guide hole, the upper guide hole extends to the side face of the rod body, and a positioning pin hole is arranged in the positioning area; the rod body comprises a positioning rod and a rod head, the positioning rod is connected with the rod head, a lower drilling hole area is arranged on the rod head, the included angle between the lower drilling hole area and the vertical plane is 57 degrees, a lower counter bore is arranged in the lower drilling hole area, the bottom of the lower counter bore is connected with a through lower guide hole, and the lower guide hole extends to the side face of the positioning rod; the head and the rod body are matched with the middle shell structure, and the upper guide hole and the lower guide hole are respectively aligned with the positions of the drill holes in the middle shell.
Description
The technical field is as follows:
the utility model belongs to the technical field of turbine housing production, in particular to middle casing centre bore jig frock.
Background art:
the oil outlet hole in the center of the middle shell of the turbine shell is an inclined hole, the diameter of the oil outlet hole is usually only 2.5-3mm, the machining is difficult, and the machining precision is low and is relatively waste in a normal machining mode.
The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.
The utility model has the following contents:
an object of the utility model is to provide a middle casing centre bore jig frock to overcome the defect among the above-mentioned prior art.
In order to achieve the above object, the utility model provides a middle casing centre bore jig frock, include: a head, a rod body; the head and the rod body are of cylindrical structures, and the bottom surface of the head is connected with the rod body; the head part is divided into an upper drilling area and a positioning area, the upper drilling area is of an inclined plane structure, the included angle between the upper drilling area and a vertical plane is 42 degrees, an upper counter bore is arranged in the upper drilling area, the bottom of the upper counter bore is connected with a through upper guide hole, the upper guide hole extends to the side face of the rod body, and a positioning pin hole is arranged in the positioning area; the rod body comprises a positioning rod and a rod head, the positioning rod is connected with the rod head, a lower drilling hole area is arranged on the rod head, the included angle between the lower drilling hole area and the vertical plane is 57 degrees, a lower counter bore is arranged in the lower drilling hole area, the bottom of the lower counter bore is connected with a through lower guide hole, and the lower guide hole extends to the side face of the positioning rod; the head and the rod body are matched with the middle shell structure, and the upper guide hole and the lower guide hole are respectively aligned with the positions of the drill holes in the middle shell.
Compared with the prior art, the utility model discloses following beneficial effect has:
the middle shell is drilled through the middle shell center hole drilling jig tool, the drilling jig tool and the middle shell are stably fixed, the drilling precision of the center hole is guaranteed, redundant drilling and material removal are not needed, and waste is reduced.
Description of the drawings:
fig. 1 is an assembly schematic view of a middle shell center hole drilling jig tool of the present application;
the reference signs are: 1-head, 2-rod body, 3-upper drilling area, 4-positioning area, 5-upper counter bore, 6-upper guide hole, 7-positioning pin hole, 8-positioning rod, 9-rod head, 10-lower drilling area, 11-lower counter bore, 12-lower guide hole and 13-middle shell.
The specific implementation mode is as follows:
the following detailed description of the embodiments of the present invention is provided, but it should be understood that the scope of the present invention is not limited by the embodiments.
Throughout the specification and claims, unless explicitly stated otherwise, the word "comprise", or variations such as "comprises" or "comprising", will be understood to imply the inclusion of a stated element or component but not the exclusion of any other element or component.
As shown in fig. 1, a middle shell center hole drilling jig tool comprises: a head 1 and a rod body 2; the head part 1 and the rod body 2 are both cylindrical structures, and the bottom surface of the head part 1 is connected with the rod body 2; the head part 1 is divided into an upper drilling area 3 and a positioning area 4, the upper drilling area 3 is of an inclined plane structure, the included angle between the upper drilling area 3 and a vertical plane is 42 degrees, an upper counter bore 5 is arranged in the upper drilling area 3, the bottom of the upper counter bore 5 is connected with a through upper guide hole 6, the upper guide hole 6 extends to the side surface of the rod body 2, and a positioning pin hole 7 is arranged in the positioning area 4; the rod body 2 comprises a positioning rod 8 and a rod head 9, the positioning rod 8 is connected with the rod head 9, a lower drilling hole area 10 is arranged on the rod head 9, the included angle between the lower drilling hole area 10 and a vertical plane is 57 degrees, a lower counter bore 11 is arranged in the lower drilling hole area 10, the bottom of the lower counter bore 11 is connected with a through lower guide hole 12, and the lower guide hole 12 extends to the side face of the positioning rod 8; head 1, the body of rod 2 all cooperate with middle shell structure, go up guiding hole, 6 down guiding hole 12 respectively with middle shell 13 on the drilling position align.
The middle shell is drilled through the middle shell center hole drilling jig tool, the drilling jig tool and the middle shell are stably fixed, the drilling precision of the center hole is guaranteed, redundant drilling and material removal are not needed, and waste is reduced.
The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. It is not intended to limit the invention to the precise form disclosed, and obviously many modifications and variations are possible in light of the above teaching. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and its practical application to enable one skilled in the art to make and use various exemplary embodiments of the invention and various alternatives and modifications as are suited to the particular use contemplated. It is intended that the scope of the invention be defined by the claims and their equivalents.
Claims (1)
1. The utility model provides a middle casing centre bore jig frock which characterized in that: comprises a head and a rod body; the head and the rod body are of cylindrical structures, and the bottom surface of the head is connected with the rod body; the head part is divided into an upper drilling area and a positioning area, the upper drilling area is of an inclined plane structure, the included angle between the upper drilling area and a vertical plane is 42 degrees, an upper counter bore is arranged in the upper drilling area, the bottom of the upper counter bore is connected with a through upper guide hole, the upper guide hole extends to the side face of the rod body, and a positioning pin hole is arranged in the positioning area; the rod body comprises a positioning rod and a rod head, the positioning rod is connected with the rod head, a lower drilling hole area is arranged on the rod head, the included angle between the lower drilling hole area and the vertical plane is 57 degrees, a lower counter bore is arranged in the lower drilling hole area, the bottom of the lower counter bore is connected with a through lower guide hole, and the lower guide hole extends to the side face of the positioning rod; the head and the rod body are matched with the middle shell structure, and the upper guide hole and the lower guide hole are respectively aligned with the positions of the drill holes in the middle shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121240954.1U CN215199785U (en) | 2021-06-04 | 2021-06-04 | Middle shell center hole drilling jig tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121240954.1U CN215199785U (en) | 2021-06-04 | 2021-06-04 | Middle shell center hole drilling jig tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215199785U true CN215199785U (en) | 2021-12-17 |
Family
ID=79423434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121240954.1U Active CN215199785U (en) | 2021-06-04 | 2021-06-04 | Middle shell center hole drilling jig tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215199785U (en) |
-
2021
- 2021-06-04 CN CN202121240954.1U patent/CN215199785U/en active Active
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