CN209811307U - Special drill jig for drilling holes in conical surface in annular and uniform distribution manner - Google Patents
Special drill jig for drilling holes in conical surface in annular and uniform distribution manner Download PDFInfo
- Publication number
- CN209811307U CN209811307U CN201920069590.1U CN201920069590U CN209811307U CN 209811307 U CN209811307 U CN 209811307U CN 201920069590 U CN201920069590 U CN 201920069590U CN 209811307 U CN209811307 U CN 209811307U
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- holes
- base
- elastic clamping
- gland
- angle baffle
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- 238000005553 drilling Methods 0.000 title claims abstract description 30
- 238000009827 uniform distribution Methods 0.000 title description 2
- 210000004907 gland Anatomy 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 230000000007 visual effect Effects 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 6
- 238000009826 distribution Methods 0.000 description 3
- 238000010923 batch production Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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- Drilling And Boring (AREA)
Abstract
The utility model belongs to the machining field relates to a special jig that is used for drilling of conical surface hoop equipartition. The device comprises a base, an angle baffle, a bracket, a gland, a positioning bolt, an elastic clamping piece and a drill bushing; a boss is arranged on the base, and a semi-cylindrical groove inclined by 21.5 degrees is processed; the gland is fastened on the upper end surface of the boss of the base; the horizontal plane of the angle baffle is fixedly connected with the base through bolts, the vertical plane is an inclined plane inclined by 68.5 degrees and is provided with through holes serving as visible holes, and small holes are uniformly distributed around the through holes and used for inserting positioning bolts; elastic clamping pieces which are symmetrically distributed are arranged on the periphery of the small hole and can be shifted to be clamped on the round table of the positioning bolt; one end of the bracket is fastened at the top end of the inclined plane of the angle baffle, and the other end of the bracket is provided with two through holes which are in interference fit with the drill bushing. The utility model discloses simple structure, convenient operation, low in manufacturing cost can be used to the conical surface has the quick drilling of hole class part, and the clamping is efficient, and the location is accurate, is applicable to the well mass production condition.
Description
Technical Field
The utility model belongs to the machining field relates to a special jig that is used for drilling of conical surface hoop equipartition.
Background
The method is quite common for processing uniform holes on the outer wall of the round-shell part, the difficulty in processing the uniform holes on the cylindrical thin-wall part is high, and the cylindrical thin-wall part is easy to deform if the clamping force is too large and uneven in the clamping process; when the cylindrical thin-wall shell part is used for machining holes, the distribution angles of the holes are not easy to guarantee. When the uniformly distributed holes are machined in the conical surface thin-wall shell, as shown in fig. 1, the machining difficulty is higher. Under the condition, the hole machining can be completed only by adopting a five-axis numerical control machine tool, but the application rate of the numerical control machine tool, particularly the five-axis numerical control machine tool, is not high for small and medium-sized enterprises in China and even internal production workshops in certain national enterprises, so that the machining difficulty of the parts is high for small-sized civil enterprises, and the parts can not be machined. For the processing of large-batch conical hole parts, the processing precision is high, the production efficiency is high, a special drilling jig capable of quickly positioning and clamping is needed, a bench worker can use the drilling jig for processing, the positioning precision is high, and the clamping speed is high.
SUMMERY OF THE UTILITY MODEL
Problem to prior art existence, the utility model provides a special jig for drilling of conical surface hoop equipartition can realize utilizing ordinary drilling machine equipartition to punch on the conical surface, and the drilling of fixed distribution angle is realized to quick accuracy.
The technical scheme of the utility model is that:
a special drill jig for drilling holes in a conical surface and uniformly distributed in an annular direction comprises a base 1, an angle baffle 2, a support 3, a gland 4, a positioning bolt 5, an elastic card a6-1, an elastic card b6-2, a drill sleeve a7-1 and a drill sleeve b 7-2;
the base 1 is provided with a boss, the upper end face of the boss inclines by 21.5 degrees, and a semi-cylindrical surface groove is formed in the upper end face of the boss and used for radial and axial positioning of parts; the gland 4 is in a semi-cylindrical shape, the diameter of the inner cylindrical surface of the gland 4 is the same as that of the groove of the boss of the base 1, two ends of the gland 4 are fastened on the upper end surface of the boss of the base 1 through bolts, and the gland 4 is matched with the groove to form a cylindrical barrel;
the horizontal plane of the angle baffle 2 is fixedly connected with the base 1 through bolts, the upper part of the vertical plane of the angle baffle 2 is an inclined plane inclined by 68.5 degrees, through holes are arranged on the inclined plane and used as visual holes, and 16 phi 3mm small holes are uniformly distributed around the through holes and used for inserting positioning bolts 5 to realize axial positioning of parts; the upper part of the positioning bolt 5 is provided with a limiting round table; elastic clamping pieces a6-1 and elastic clamping pieces b6-2 which are symmetrically distributed are arranged on the periphery of 16 phi 3mm small holes on one side of the inclined surface of the angle baffle 2, one ends of the elastic clamping pieces a6-1 and the elastic clamping pieces b6-2 are hinged to the angle baffle 2 through bolts, and the other ends of the elastic clamping pieces a6-1 and the elastic clamping pieces b6-2 can be pulled to be clamped on a circular table of the positioning bolt 5 to prevent the positioning bolt 5 from sliding down;
the bracket 3 is V-shaped, the inclined angle of the inclined plane is 68.5 degrees, and the inclined plane is fastened at the top end of the inclined plane of the angle baffle 2 through a bolt; two through holes are formed in the horizontal plane and are in interference fit with the drill bushing a7-1 and the drill bushing b 7-2.
The base 1, the angle baffle 2, the support 3, the gland 4 and the positioning bolt 5 are made of stainless steel materials.
The utility model has the advantages that:
the special drill jig has the advantages of simple structure, convenience in operation, low manufacturing cost and convenience in maintenance, can be used for quickly drilling holes on conical surface parts with holes, is high in clamping efficiency and accurate in positioning when the special drill jig is used for working, and is particularly suitable for the conditions of medium-batch and large-batch production.
Drawings
FIG. 1 is a schematic structural view of a bell-mouth-shaped part;
FIG. 2 is a side view of a special jig assembly shaft for drilling holes in a conical surface in a circumferential direction;
FIG. 3 is a top view of a special jig for drilling holes circumferentially and uniformly in a conical surface;
FIG. 4 is an assembly front view of a special jig for drilling holes in a conical surface in a circumferential direction;
FIG. 6 is an axial side view of the angle shield;
FIG. 5 is an isometric view of the base structure;
FIG. 7 is a side view of the positioning pin structure shaft;
fig. 8 is a schematic view of the working principle of clamping the drill jig.
In the figure: 1, a base; 2, an angle baffle; 3, a bracket; 4, pressing a cover; 5, positioning a bolt; 6-1 elastic card a; 6-2 elastic card b; 7-1, a drill sleeve a; 7-2, drilling sleeve b; 9 bell-mouthed parts.
Detailed Description
The following further describes a specific embodiment of the present invention with reference to the drawings and technical solutions.
A special drill jig for drilling holes in a conical surface and uniformly distributed in an annular direction comprises a base 1, an angle baffle 2, a support 3, a gland 4, a positioning bolt 5, an elastic card a6-1, an elastic card b6-2, a drill sleeve a7-1 and a drill sleeve b 7-2;
the base 1 is provided with a boss, the upper end face of the boss inclines by 21.5 degrees, and a semi-cylindrical surface groove is formed in the upper end face of the boss and used for radial and axial positioning of parts; the gland 4 is in a semi-cylindrical shape, the diameter of the inner cylindrical surface of the gland 4 is the same as that of the groove of the boss of the base 1, two ends of the gland 4 are fastened on the upper end surface of the boss of the base 1 through bolts, and the gland 4 is matched with the groove to form a cylindrical barrel;
the horizontal plane of the angle baffle 2 is fixedly connected with the base 1 through bolts, the upper part of the vertical plane of the angle baffle 2 is an inclined plane inclined by 68.5 degrees, through holes are arranged on the inclined plane and used as visual holes, and 16 phi 3mm small holes are uniformly distributed around the through holes and used for inserting positioning bolts 5 to realize axial positioning of parts; the upper part of the positioning bolt 5 is provided with a limiting round table; elastic clamping pieces a6-1 and elastic clamping pieces b6-2 which are symmetrically distributed are arranged on the periphery of 16 phi 3mm small holes on the inclined side of the angle baffle 2, one ends of the elastic clamping pieces a6-1 and the elastic clamping pieces b6-2 are hinged to the angle baffle 2 through bolts, and the other ends of the elastic clamping pieces a6-1 and the elastic clamping pieces b6-2 can be pulled to be clamped on a circular table of the positioning bolt 5 to prevent the positioning bolt 5 from sliding down;
the bracket 3 is V-shaped, the inclined angle of the inclined plane is 68.5 degrees, and the inclined plane is fastened at the top end of the inclined plane of the angle baffle 2 through a bolt; two through holes are formed in the horizontal plane and are in interference fit with the drill bushing a7-1 and the drill bushing b 7-2.
The base 1, the angle baffle 2, the support 3, the gland 4 and the positioning bolt 5 are made of stainless steel materials.
In the drilling process of the part shown in FIG. 1, accurate positioning in the axial direction, the radial direction and the circumferential direction must be ensured, and according to the structural characteristics of the part: the special drilling jig has the characteristics of complex appearance and high positioning difficulty, as shown in figure 2, the special drilling jig structure is in an axial side view, a part is placed in a boss groove on a base 1, the horn mouth end of the part is abutted against an angle baffle 2, a circle of 8 holes abutted against the horn mouth are arranged according to the structural specificity of the part, the center of one hole is in the same plane with the center of the groove on the part, therefore, when a first hole is drilled, a positioning bolt 5 penetrates through the small hole at the uppermost edge of the angle baffle 2 and is inserted into the small hole in the horn mouth of the part, at the moment, a gland 4 covers the cylindrical surface of the part and is fastened on the boss of the base 1 through a bolt, and the axial movement and the radial direction swing of the part are limited; the elastic clamping piece a6-1 and the elastic clamping piece b6-2 are hinged on the angle baffle 2 and can rotate, and after the positioning bolt 5 is inserted into the small hole, in order to prevent the positioning bolt from sliding out along an inclined angle in the drilling process, the positioning bolt can be clamped and fixed by the elastic clamping piece a6-1 or the elastic clamping piece b6-2 which is close to the positioning bolt 5; the drill bushing a7-1 and the drill bushing b7-2 are in interference fit in two holes in the support 3 and used for guiding a drill bit during drilling, the drill bushing a7-1 is used for drilling 8 holes uniformly distributed close to the flared end, and the drill bushing b7-2 is used for drilling another row of 8 holes uniformly distributed.
After the drilling of the first hole is completed, the elastic clamping piece a6-1 (or the elastic clamping piece b6-2) is pulled away from the round table of the positioning bolt 5, the positioning bolt 5 is pulled out, the bolt between the gland 4 and the base 1 is loosened, the part is manually rotated by 22.5 degrees, the positioning bolt 5 penetrates through the adjacent small hole on the angle baffle 2 and is inserted into the small hole in the bell mouth of the part, the elastic clamping piece a6-1 (or the elastic clamping piece b6-2) is pulled onto the positioning bolt 5 to be axially positioned, the bolt on the gland 4 is fastened, and the drilling of the first small hole, which is far away from the bell mouth end of the part and is uniformly distributed with small holes, is completed through the drilling jig b 7-2. Repeating the process, rotating the part by 22.5 degrees each time, alternately using the drill jig a7-1 and the drill jig b7-2, and finishing the processing of two circles of holes on the conical surface of the bell mouth one by one, wherein the schematic diagram of the working principle of the drill jig clamping is shown in fig. 8.
When the device is used for processing parts with holes on the conical surface, a bench worker can finish the processing process of uniform hole distribution through a common drilling machine, the positioning is accurate, the clamping is convenient and quick, the processing efficiency is high, and the device is particularly suitable for batch production and processing; as shown in fig. 5, 6 and 7, the structure of the device is respectively the base 1, the angle baffle 2 and the limit bolt 5, the device has the advantages of low manufacturing cost, simple structure of parts and components, low processing difficulty, convenience for later maintenance and repair, and wide application in medium and small enterprises with insufficient assets.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (2)
1. The special drill jig for the circumferential uniform drilling of the conical surface is characterized by comprising a base (1), an angle baffle (2), a support (3), a gland (4), a positioning bolt (5), an elastic clamping piece a (6-1), an elastic clamping piece b (6-2), a drill sleeve a (7-1) and a drill sleeve b (7-2);
the base (1) is provided with a boss, the upper end face of the boss inclines by 21.5 degrees, and a semi-cylindrical surface groove is formed in the upper end face of the boss and used for radial and axial positioning of parts; the gland (4) is in a semi-cylindrical shape, the diameter of the inner cylindrical surface of the gland is the same as that of the groove of the boss of the base (1), two ends of the gland (4) are fastened on the upper end surface of the boss of the base (1) through bolts, and the gland (4) is matched with the groove to form a cylindrical barrel;
the horizontal plane of the angle baffle (2) is fixedly connected with the base (1) through bolts, the upper part of the vertical plane of the angle baffle (2) is an inclined plane inclined by 68.5 degrees, through holes are arranged on the inclined plane and used as visual holes, and 16 phi 3mm small holes are uniformly distributed around the through holes and used for inserting positioning bolts (5) to realize axial positioning of parts; the upper part of the positioning bolt (5) is provided with a limiting round table; elastic clamping pieces a (6-1) and elastic clamping pieces b (6-2) which are symmetrically distributed are arranged on the periphery of 16 phi 3mm small holes on one side of the inclined surface of the angle baffle plate (2), one ends of the elastic clamping pieces a (6-1) and the elastic clamping pieces b (6-2) are hinged to the angle baffle plate (2) through bolts, and the other ends of the elastic clamping pieces a (6-1) and the elastic clamping pieces b (6-2) can be pulled to be clamped on a circular table of the positioning bolt (5) to prevent the positioning bolt (5) from sliding;
the bracket (3) is V-shaped, the inclined angle of the inclined plane is 68.5 degrees, and the inclined plane is fastened at the top end of the inclined plane of the angle baffle (2) through bolts; two through holes are formed in the horizontal plane and are in interference fit with the drill bushing a (7-1) and the drill bushing b (7-2).
2. The special drill jig for the circumferential uniform drilling of the conical surface according to claim 1, wherein the base (1), the angle baffle (2), the support (3), the gland (4) and the positioning bolt (5) are made of stainless steel materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069590.1U CN209811307U (en) | 2019-01-16 | 2019-01-16 | Special drill jig for drilling holes in conical surface in annular and uniform distribution manner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920069590.1U CN209811307U (en) | 2019-01-16 | 2019-01-16 | Special drill jig for drilling holes in conical surface in annular and uniform distribution manner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209811307U true CN209811307U (en) | 2019-12-20 |
Family
ID=68871642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920069590.1U Withdrawn - After Issue CN209811307U (en) | 2019-01-16 | 2019-01-16 | Special drill jig for drilling holes in conical surface in annular and uniform distribution manner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209811307U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676177A (en) * | 2019-01-16 | 2019-04-26 | 沈阳飞机工业（集团）有限公司 | A kind of Special drilling jig uniformly to drill for conical surface circumferential direction |
-
2019
- 2019-01-16 CN CN201920069590.1U patent/CN209811307U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109676177A (en) * | 2019-01-16 | 2019-04-26 | 沈阳飞机工业（集团）有限公司 | A kind of Special drilling jig uniformly to drill for conical surface circumferential direction |
| CN109676177B (en) * | 2019-01-16 | 2024-03-08 | 沈阳飞机工业（集团）有限公司 | Special drilling jig for conical surface circumferential uniform drilling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20191220 Effective date of abandoning: 20240308 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20191220 Effective date of abandoning: 20240308 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |