CN114799967B - Drilling device for direct head part - Google Patents
Drilling device for direct head part Download PDFInfo
- Publication number
- CN114799967B CN114799967B CN202210471701.8A CN202210471701A CN114799967B CN 114799967 B CN114799967 B CN 114799967B CN 202210471701 A CN202210471701 A CN 202210471701A CN 114799967 B CN114799967 B CN 114799967B
- Authority
- CN
- China
- Prior art keywords
- shaped
- drill
- support
- plate
- fastening bolt
- 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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Links
- 238000005553 drilling Methods 0.000 title claims abstract description 36
- 238000003825 pressing Methods 0.000 claims abstract description 25
- 229910003460 diamond Inorganic materials 0.000 claims description 12
- 239000010432 diamond Substances 0.000 claims description 12
- 230000000087 stabilizing effect Effects 0.000 claims description 2
- 125000006850 spacer group Chemical group 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000000463 material Substances 0.000 abstract description 2
- 238000012797 qualification Methods 0.000 abstract description 2
- 238000012545 processing Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B47/00—Constructional features of components specially designed for boring or drilling machines; Accessories therefor
- B23B47/28—Drill jigs for workpieces
Abstract
The invention provides a drilling device for a direct head part, and belongs to the technical field of machining. The drilling device comprises a base, an L-shaped support, a Y-shaped pressing plate, a fastening bolt, a fastening nut, a step pin, a cylindrical pin, a drill plate support, a drill plate and an inner hexagonal fastening bolt. When the drilling device is used for drilling, deflection of a drill bit can not occur under the guiding action of the guide hole on the drill plate, and the qualification rate is improved; when the drilling device is used for clamping and drilling, auxiliary procedures such as scribing, aligning and the like are omitted, the operation is simple, the use is convenient, and the improvement of production efficiency is facilitated; in addition, the drilling device is manufactured by common materials, each part is simple in structure, convenient to process, low in manufacturing cost and maintenance cost, and suitable for mass production.
Description
Technical Field
The invention belongs to the technical field of machining, and relates to a drilling device for a direct part.
Background
The direct joint structure is commonly existing in hydraulic system components, and the structure is complex and specific in shape and belongs to an irregular structural member, and in the machining process, a large amount of reworked or unqualified products are generated due to unreasonable clamping and positioning modes.
As shown in fig. 1, the structural schematic diagram of the joint part is a hydraulic system part, the structural characteristics of the part are commonly existing in the hydraulic system of an airplane, such as a U1 model, a J15 series model and the like, and the structural characteristics of the part also exist in similar parts, so that designing a clamp capable of quickly drilling a safety hole has very important significance for improving the precision efficiency of the clamp, and at the present stage, the method for machining the safety holes a and a' adopts a bench worker to mark and punch points, then uses a certain cushion block to machine on a common bench drill, and the mode has larger error in the machining process, so that the precision of marking on an inclined plane is difficult to ensure; in addition, although punching points are punched, the guide effect of the punching points is very small when a bench worker drills holes, and particularly, no auxiliary tool is adopted on an inclined plane, deflection is very easy to occur when the bench worker drills holes, and waste products are generated. Based on the above, a drilling device which can realize rapid clamping and positioning and has stable drilling precision needs to be designed.
Disclosure of Invention
In order to solve the technical problems in the prior art, the invention provides a drilling device for a direct head part.
The technical scheme of the invention is as follows:
a drilling device for a direct head part comprises a base 1, an L-shaped support 2, a Y-shaped pressing plate 3, a fastening bolt 4, a fastening nut 5, a gasket 6, a step pin 7, a cylindrical pin, a drill plate support 14, a drill plate 15, an inner hexagonal fastening bolt and a diamond pin 22.
The base 1 is a mounting platform of all parts, and is provided with a plurality of cylindrical pin holes and threaded holes, wherein the cylindrical pin holes are used for positioning with the L-shaped support 2 and the drill plate support 14.
The L-shaped support 2 is of an L-shaped structure, two cylindrical pin holes distributed diagonally and two through holes distributed diagonally are formed in the horizontal end face of the L-shaped support 2, and an inner hexagonal fastening bolt A16 and an inner hexagonal fastening bolt B17 respectively penetrate through the two through holes to fasten the L-shaped support 2 and the base 1; the cylindrical pin A8 and the cylindrical pin B9 penetrate through cylindrical pin holes in the L-shaped support 2 and the base 1 and are used for limiting accurately. The vertical side of the L-shaped support 2 is provided with a stepped pin hole and a diamond pin hole, one end of the stepped pin 7 is pressed in the stepped pin hole on the L-shaped support 2, and the other end of the stepped pin penetrates into the hole b of the straight joint part to play a role in radial positioning; one end of the diamond pin 22 is pressed in a diamond pin hole on the L-shaped support 2, and the other end of the diamond pin penetrates into a hole c or d of the direct head part for circumferential positioning of the part to prevent rotation.
One end of the Y-shaped pressing plate 3 is provided with a U-shaped notch 3-1 which is used for avoiding interference to a drill bit when the part is pressed; and the U-shaped end of the Y-shaped pressing plate 3 is provided with an arc notch 3-2 to prevent the drill bushing from colliding with the Y-shaped pressing plate 3 during drilling. The other end of the Y-shaped pressing plate 3 is provided with a bulge 3-4, which plays a supporting role of a lever during pressing. The middle part of the Y-shaped pressing plate 3 is provided with an elliptical groove 3-3, one end of a fastening bolt 4 passes through the elliptical groove 3-3 to be fastened and connected with a threaded hole on the vertical side of the L-shaped support 2, and the other end of the fastening bolt protrudes out of the Y-shaped pressing plate 3 by a certain height and is screwed with a fastening nut 5, so that the Y-shaped pressing plate 3 is tightly pressed.
The gasket 6 is arranged between the fastening nut 5 and the fastening bolt 4 and is used for increasing the pressing force and stabilizing the pressing.
The drill plate support 14 is L-shaped, two cylindrical pin holes distributed diagonally and two through holes distributed in pairs are arranged on the horizontal side of the drill plate support 14, and the inner hexagonal fastening bolts C18 and the inner hexagonal fastening bolts D19 respectively penetrate through the two through holes to fasten the drill plate support 14 and the base 1; the cylindrical pin C10 and the cylindrical pin D11 penetrate through cylindrical pin holes in the drill plate support 14 and the base 1 and are used for limiting accurately. The upper end of the vertical side of the drill plate support 14 is provided with cylindrical pin holes and threaded holes which are diagonally distributed; the drill plate 15 is provided with two diagonally distributed cylindrical pin holes and two through holes, and an inner hexagonal fastening bolt E20 and an inner hexagonal fastening bolt F21 sequentially penetrate through threaded holes on the drill plate 15 and the plate support 14 to fasten the drill plate 15 at the upper end of the drill plate support 14; the cylindrical pins E12 and F13 penetrate through cylindrical pin holes on the drill plate 15 and the plate support 14 for limiting.
The drill plate 15 is provided with a guide hole 15-1 for guiding a drill bit during drilling.
Compared with the prior art, the invention has the beneficial effects that:
1. and the positioning is accurate. When the device is used for drilling, deflection of a drill bit can not occur under the guiding action of the guide hole on the drill plate, and the qualification rate is improved.
2. The processing efficiency is high. When the device is used for clamping and drilling, auxiliary procedures such as scribing, aligning and the like are omitted, the operation is simple, the use is convenient, and the improvement of production efficiency is facilitated.
3. Simple manufacture and low cost. The device is made of common materials, each part has the advantages of simple structure, convenient processing, low manufacturing cost and low maintenance cost, and is suitable for mass production.
Drawings
Fig. 1 is a schematic structural view of a part to be machined, wherein (a) is a front view, and (b) is A-A cross-sectional view.
Fig. 2 is a front view of the drilling apparatus.
Fig. 3 is a left side view of the drilling apparatus.
Fig. 4 is an isometric view of a drilling apparatus.
Fig. 5 is an installation view at the time of drilling.
In the figure: 1, a base; a 2L-shaped support; 2-1 sides; a 3Y-shaped pressing plate; 3-1U-shaped openings; 3-2 arc-shaped gaps; 3-3 elliptical grooves; 4, fastening bolts; 5, fastening a nut; 6, a gasket; 7, a step pin; 8 cylindrical pins A;9 cylindrical pins B;10 cylindrical pins C;11 cylindrical pins D;12 cylindrical pins E;13 cylindrical pins F;14 drill plate support; 15 drill plate; 15-1 guide holes; 16 inner hexagon fastening bolts A;17 inner hexagonal fastening bolts B;18, fastening a bolt C by an inner hexagon; 19 inner hexagonal fastening bolts D;20 inner hexagon fastening bolts E;21 an inner hexagonal fastening bolt F;22 diamond pins.
Detailed Description
The following detailed description of the invention is further illustrated in conjunction with the examples and the accompanying drawings, but is not intended to limit the invention.
It should be understood that the drawings are not to scale but are merely drawn appropriately to illustrate various features of the basic principles of the invention. Specific design features of the invention disclosed herein, including for example, specific dimensions, orientations, positions, and configurations, will be determined in part by the specific intended application and use environment. In the drawings, like or equivalent parts (elements) are referred to by like reference numerals.
As shown in fig. 2 to 4, a direct head drilling device comprises a base 1, an L-shaped support 2, a Y-shaped pressing plate 3, a fastening bolt 4, a fastening nut 5, a gasket 6, a step pin 7, a cylindrical pin, a drill plate support 14, a drill plate 15, an inner hexagonal fastening bolt and a diamond pin 22.
The drilling process is performed according to the following steps:
1) Before drilling, the direct head part to be processed is arranged on a drilling device, so that the step pin 7 penetrates into a hole b on the part, the diamond pin 22 penetrates into a hole c on the part, and the end face M of the part is attached to the side face 2-1 of the L-shaped support 2, so that positioning is completed.
2) The U-shaped end of the Y-shaped pressing plate 3 is pressed on a part to be processed, one end of a fastening bolt 4 penetrates through an oval groove 3-3 in the middle of the Y-shaped pressing plate 3 and is fastened and connected with a threaded hole on the vertical side of the L-shaped support 2, and a fastening nut 5 and a gasket 6 are screwed on the other end of the fastening bolt 4 to press the part to be processed.
3) And drilling the hole a under the common bench.
4) And (3) loosening the fastening nut 5, removing the Y-shaped pressing plate 3, rotating the direct head part to be processed around the axial direction of the direct head part by 180 degrees, penetrating the diamond-shaped pin 22 into the hole d, and after the part is fastened according to the steps 1) and 2), finishing drilling the hole a'.
Claims (5)
1. The drilling device for the direct head part is characterized by comprising a base (1), an L-shaped support (2), a Y-shaped pressing plate (3), a fastening bolt (4), a fastening nut (5), a step pin (7), a cylindrical pin, a drill plate support (14), a drill plate (15) and a diamond pin (22);
the base (1) is a mounting platform of all parts, and is provided with a cylindrical pin hole for positioning with the L-shaped support and the drill plate support;
the L-shaped support (2) is of an L-shaped structure, and the horizontal end face of the L-shaped support is fixedly connected with the base (1); the cylindrical pin passes through cylindrical pin holes on the L-shaped support (2) and the base (1) and is used for limiting accurately;
one end of the step pin (7) is pressed in a step pin hole on the vertical side of the L-shaped support (2), and the other end of the step pin penetrates into a hole b of the straight joint part to play a role in radial positioning; one end of the diamond pin (22) is pressed in a diamond pin hole on the vertical side of the L-shaped support (2), and the other end of the diamond pin penetrates into a hole c or d of the direct head part for circumferential positioning of the part to prevent rotation;
one end of the Y-shaped pressing plate (3) is provided with a U-shaped notch (3-1) to prevent the drill bit from being interfered; the other end of the Y-shaped pressing plate (3) is provided with a bulge (3-4) which plays a supporting role of a lever during pressing; an elliptical groove (3-3) is formed in the middle of the Y-shaped pressing plate (3), one end of the fastening bolt (4) penetrates through the elliptical groove (3-3) to be fastened and connected with a threaded hole on the vertical side of the L-shaped support (2), and the other end of the fastening bolt is screwed with the fastening nut (5), so that the Y-shaped pressing plate is tightly pressed;
the drill plate support (14) is L-shaped, and the horizontal side of the drill plate support is fixedly connected with the base (1); the cylindrical pin passes through cylindrical pin holes on the drill plate support (14) and the base (1) and is used for limiting accurately; the upper end of the vertical side of the drill plate support (14) is fixedly connected with the drill plate (15); the cylindrical pins penetrate through cylindrical pin holes on the drill plate (15) and the template support (14) to limit;
the drill plate (15) is provided with a guide hole (15-1) for guiding a drill bit during drilling.
2. A direct head part drilling device according to claim 1, characterized in that the U-shaped end of the Y-shaped pressure plate (3) is provided with an arc-shaped notch (3-2) to prevent the drill bushing from colliding with the Y-shaped pressure plate during drilling.
3. A direct head part drilling device according to claim 1 or 2, characterized in that a spacer (6) is arranged between the fastening nut (5) and the fastening bolt (4) for increasing the pressing force and stabilizing the pressing.
4. A direct head part drilling device according to claim 1 or 2, characterized in that the L-shaped support (2) is connected with the base (1) by means of a hexagon socket screw; the drill plate support (14) is connected with the base (1) through an inner hexagonal fastening bolt; the drill jig plate support (14) is connected with the drill jig plate (15) through an inner hexagonal fastening bolt.
5. A direct head part drilling apparatus according to claim 3, wherein the L-shaped support (2) is connected to the base (1) by means of a hexagon socket fastening bolt; the drill plate support (14) is connected with the base (1) through an inner hexagonal fastening bolt; the drill jig plate support (14) is connected with the drill jig plate (15) through an inner hexagonal fastening bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210471701.8A CN114799967B (en) | 2022-04-29 | 2022-04-29 | Drilling device for direct head part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210471701.8A CN114799967B (en) | 2022-04-29 | 2022-04-29 | Drilling device for direct head part |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114799967A CN114799967A (en) | 2022-07-29 |
| CN114799967B true CN114799967B (en) | 2024-03-08 |
Family
ID=82511032
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210471701.8A Active CN114799967B (en) | 2022-04-29 | 2022-04-29 | Drilling device for direct head part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114799967B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057748A (en) * | 2015-09-14 | 2015-11-18 | 沈阳飞机工业（集团）有限公司 | Lock body drilling and reaming integration fixture and drilling and reaming method |
| CN212469892U (en) * | 2020-05-15 | 2021-02-05 | 沈阳飞机工业（集团）有限公司 | Drilling device for right-angle joint flange hole |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9089902B2 (en) * | 2008-10-16 | 2015-07-28 | Vallourec Oil And Gas France, S.A.S. | Hole drilling apparatus and process for edge mounted RFID tag |
-
2022
- 2022-04-29 CN CN202210471701.8A patent/CN114799967B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105057748A (en) * | 2015-09-14 | 2015-11-18 | 沈阳飞机工业（集团）有限公司 | Lock body drilling and reaming integration fixture and drilling and reaming method |
| CN212469892U (en) * | 2020-05-15 | 2021-02-05 | 沈阳飞机工业（集团）有限公司 | Drilling device for right-angle joint flange hole |
Non-Patent Citations (1)
| Title |
|---|
| 张约美 ; .一种新型钻模装置设计.林业机械与木工设备.2011,(第09期),47-48. * |
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| Publication number | Publication date |
|---|---|
| CN114799967A (en) | 2022-07-29 |
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