CN213645980U - Double-flange workpiece drilling tool - Google Patents
Double-flange workpiece drilling tool Download PDFInfo
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- CN213645980U CN213645980U CN202022419133.6U CN202022419133U CN213645980U CN 213645980 U CN213645980 U CN 213645980U CN 202022419133 U CN202022419133 U CN 202022419133U CN 213645980 U CN213645980 U CN 213645980U
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Abstract
The utility model relates to a two flange work piece drilling frock belongs to the anchor clamps technical field in the machining. The utility model comprises a base, a positioning plate and a pressing plate, wherein the middle part of the base is provided with a vertically arranged assembly hole which is constructed to allow a workpiece flange to be arranged, the upper end surface of the base is fixedly connected with the positioning plate through a first screw, the middle part of the positioning plate is provided with a positioning hole matched with the outer diameter of a cylindrical part of a workpiece, and the pressing plate is provided with a pressing mechanism, so that the positioning plate and the pressing plate are combined to form a flange clamping structure at the upper end of the workpiece; the base has set the locating piece in the below of work piece lower extreme flange station, is provided with the locating hole groove of vertical setting on the locating piece to the horizontal plane is as reference plane, and the axis position of locating hole groove is located the central line of work piece installation station, and the diameter of locating hole groove and one of them processing hole looks adaptation on the work piece flange, and the locating hole groove sets the locating pin. The utility model discloses convenient assembling and can improve the machining precision.
Description
Technical Field
The utility model relates to a two flange work piece drilling frock belongs to the anchor clamps technical field in the machining.
Background
Referring to fig. 4 to 6, the double-flange workpiece refers to a cylindrical workpiece on which two flanges are arranged at intervals, and a plurality of process holes are respectively arranged on the two flanges. In the prior art, a three-jaw chuck is usually adopted for clamping, and then a machining center is used for machining a flange end face hole. Due to the thin wall of the flange, the flange is stressed by the drilling force of a drill bit in the flange hole system machining process to vibrate, so that the size and form and position tolerance of the hole system cannot meet the design requirements. In addition, after the hole series of the flange at one end is machined, when the hole series of the flange end face at the other side is machined, the angle relation of the hole series of the flanges at the two ends is determined in a visual inspection mode, and the mode has large error and unreliable positioning mode.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the double-flange workpiece drilling tool is convenient to assemble and capable of improving machining precision.
For solving the technical problem the utility model discloses the technical scheme who adopts is: the double-flange workpiece drilling tool comprises a base, a positioning plate and a pressing plate, wherein a vertically arranged assembling hole is formed in the middle of the base, the assembling hole is constructed to allow a workpiece flange to be installed, the upper end face of the base is fixedly connected with the positioning plate through a first screw, a positioning hole matched with the outer diameter of a cylindrical part of a workpiece is formed in the middle of the positioning plate, and the pressing plate is provided with a pressing mechanism, so that the positioning plate and the pressing plate are combined to form a workpiece upper end flange clamping structure; the base has set the locating piece in the below of work piece lower extreme flange station, is provided with the locating hole groove of vertical setting on the locating piece to the horizontal plane is as reference plane, and the axis position of locating hole groove is located the central line of work piece installation station, and the diameter of locating hole groove and one of them processing hole looks adaptation on the work piece flange, and the locating hole groove sets the locating pin.
Further, the method comprises the following steps: the positioning plate is provided with a positioning groove matched with the workpiece flange at the upper end surface of the middle positioning hole.
Further, the method comprises the following steps: the positioning plate is connected with the pressure plate through a guide pin and a bolt.
Further, the method comprises the following steps: the positioning hole groove on the positioning block is a U-shaped groove, a kidney-shaped groove or a rectangular groove, and the length direction of the cross section of the positioning hole groove corresponds to the radial direction of the flange at the lower end of the workpiece.
Further, the method comprises the following steps: the positioning block is fixedly connected with the base through a second screw.
Further, the method comprises the following steps: the base is provided with a threaded hole matched with the second screw, the positioning block is provided with a strip-shaped hole for the second screw to pass through, and the length direction of the strip-shaped hole corresponds to the radial direction of the flange at the lower end of the workpiece.
The utility model has the advantages that: in practice, the base may be secured to the table in a conventional manner (e.g., by screws). The flange on any side of the double-flange workpiece is placed in the positioning plate, the flange surface is tightly attached to the upper surface of the tooling positioning plate through the locking pressing plate, and then the hole system on the flange surface is processed. And after the machining is finished, loosening the bolts on the pressing plate, taking down the pressing plate, and taking the workpiece out of the tool. When the flange face at the other end is placed on the positioning plate, the flange face is positioned through the positioning pin, the positioning hole groove and one of the holes on the flange face with the processed hole system, so that the angle relation between the hole of the processed flange face and the hole system on the other face is correct, then the pressing plate is locked, the flange face is tightly attached to the tool positioning plate, and then the hole system on the flange face is processed. According to the implementation process, the flange can be reliably positioned on the tool, and the clamping is convenient; and the position relation of flange hole systems at two ends is solved, and the part processing stability and the part processing qualified rate can be improved. The utility model has convenient installation, reliable positioning and good dynamic performance; the workpiece is clamped simply, and the operation is easy for workers; to the work piece of equidimension not, through change locating plate, clamp plate and locating piece can, can adapt to different work piece sizes, the suitability is strong. In conclusion, the guide pin, the pressing plate, the positioning plate, the base, the positioning pin, the positioning hole groove and the bolt are reasonably matched for use, and the problems of high cost and low yield of hole series processing of double-flange products with different outer diameter sizes are solved.
Drawings
Fig. 1 is a schematic view of the overall assembly structure of the present invention.
Fig. 2 is a left-side view structural diagram of fig. 1.
Fig. 3 is a schematic top view of the structure of fig. 1.
Fig. 4 is a schematic view of the structure of the workpiece of the present invention.
Fig. 5 is a view a-a of fig. 4.
Fig. 6 is a left side view of fig. 5.
Parts in the figures are labeled: the base 1, locating plate 2, clamp plate 3, first screw 4, locating piece 5, uide pin 6, bolt 7, second screw 8, locating pin 9.
Detailed Description
For the convenience of understanding and implementing the present invention, selected embodiments of the present invention will be further explained with reference to the accompanying drawings.
As shown in fig. 1 to 3, the utility model comprises a base 1, a positioning plate 2 and a pressing plate 3, wherein the middle part of the base 1 is provided with a vertically arranged assembling hole which is constructed to allow a workpiece flange to be assembled, the upper end surface of the base 1 is fixedly connected with the positioning plate 2 through a first screw 4, the middle part of the positioning plate 2 is provided with a positioning hole matched with the outer diameter of the cylindrical part of the workpiece, and the pressing plate 3 is provided with a pressing mechanism, so that the positioning plate 2 and the pressing plate 3 are combined to form a flange clamping structure at the upper end of the workpiece; the base 1 has set locating piece 5 in the below of work piece lower extreme flange station, is provided with the locating hole groove of vertical setting on the locating piece 5 to the horizontal plane is as reference plane, and the axis position of locating hole groove is located the central line of work piece installation station, and the diameter of locating hole groove and one of them processing hole looks adaptation on the work piece flange, and the locating hole groove sets locating pin 9. In practice, the base 1 can be fixed to the table in a conventional manner (for example by screwing). The flange of any side of the double-flange workpiece is placed in the positioning plate 2, the flange surface is tightly attached to the upper surface of the tooling positioning plate 2 through the locking pressing plate 3, and then the hole system on the flange surface is processed. After the machining is finished, the pressing mechanism on the pressing plate 3 is loosened, the pressing plate 3 is taken down, the first screw 4 on the positioning plate 2 is removed, and the workpiece is taken out of the tool. According to the mode, when the flange face at the other end is placed on the positioning plate 2, the positioning pin 9, the positioning hole groove and one of the holes on the flange face with the processed hole system are used for positioning, so that the angle relation between the hole of the processed flange face and the hole system on the other face is correct, then the pressing plate 3 is locked, the flange face is tightly attached to the tool positioning plate 2, and then the hole system on the flange face is processed.
In order to further facilitate positioning and assembling, a positioning groove matched with the workpiece flange is formed in the positioning plate 2 at the upper end face of the middle positioning hole.
The clamp plate locking mode can be modes such as hydraulic pressure, atmospheric pressure, for make location package assembly simple structure practical, and effectively guarantee the reliability, the utility model discloses a realize that the locking of locating plate 2 and clamp plate 3 is fixed through the combination of uide pin 6 and bolt 7.
In order to facilitate the insertion of the positioning pin 9, the positioning hole groove on the positioning block 5 is a U-shaped groove, a kidney-shaped groove or a rectangular groove, and the length direction of the cross section of the positioning hole groove corresponds to the radial direction of the flange at the lower end of the workpiece. The positioning hole groove can adapt to flange holes with different position sizes within a certain range.
For the convenience of assembly, the positioning block 5 is fixedly connected with the base 1 through a second screw 8. In addition, the detachable connection is realized by adopting the second screw 8, and the corresponding positioning block 5 can be conveniently replaced according to workpieces with different sizes. Preferably, the base 1 is provided with a threaded hole matched with the second screw 8, the positioning block 5 is provided with a strip-shaped hole for the second screw 8 to pass through, and the length direction of the strip-shaped hole corresponds to the radial direction of the flange at the lower end of the workpiece. Because the positioning block 5 is provided with a strip-shaped hole for the second screw 8 to pass through, the relative position of the positioning block 5 and the base 1 can be adjusted within a certain range, and the strip-shaped hole can adapt to flange holes with different position sizes within a certain range.
For the convenience of assembly, the first screw 4 and the second screw 8 of the present invention are generally hexagon socket head cap screws.
Claims (6)
1. Double flange work piece drilling frock, its characterized in that: the clamping device comprises a base (1), a positioning plate (2) and a pressing plate (3), wherein a vertically arranged assembling hole is formed in the middle of the base (1), the assembling hole is constructed to allow a workpiece flange to be installed, the upper end face of the base (1) is fixedly connected with the positioning plate (2) through a first screw (4), a positioning hole matched with the outer diameter of a cylindrical part of a workpiece is formed in the middle of the positioning plate (2), and the pressing plate (3) is provided with a pressing mechanism, so that the positioning plate (2) and the pressing plate (3) are combined to form a workpiece upper end flange clamping structure; base (1) has set locating piece (5) in the below of work piece lower extreme flange station, is provided with the locating hole groove of vertical setting on locating piece (5) to the horizontal plane is as the reference plane, and the axis position in locating hole groove is located the central line of work piece installation station, and the diameter in locating hole groove and one of them processing hole looks adaptation on the work piece flange, and the locating hole groove sets locating pin (9).
2. The double-flange workpiece drilling tool according to claim 1, characterized in that: the positioning plate (2) is provided with a positioning groove matched with the workpiece flange at the upper end surface of the middle positioning hole.
3. The double-flange workpiece drilling tool according to claim 1, characterized in that: the positioning plate (2) is connected with the pressure plate (3) through a guide pin (6) and a bolt (7).
4. The double-flange workpiece drilling tool according to any one of claims 1 to 3, characterized in that: the positioning hole groove on the positioning block (5) is a U-shaped groove, a kidney-shaped groove or a rectangular groove, and the length direction of the cross section of the positioning hole groove corresponds to the radial direction of the flange at the lower end of the workpiece.
5. The double-flange workpiece drilling tool according to any one of claims 1 to 3, characterized in that: the positioning block (5) is fixedly connected with the base (1) through a second screw (8).
6. The double-flange workpiece drilling tool according to claim 5, characterized in that: the base (1) is provided with a threaded hole matched with the second screw (8), the positioning block (5) is provided with a strip-shaped hole for the second screw (8) to pass through, and the length direction of the strip-shaped hole corresponds to the radial direction of the flange at the lower end of the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022419133.6U CN213645980U (en) | 2020-10-27 | 2020-10-27 | Double-flange workpiece drilling tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022419133.6U CN213645980U (en) | 2020-10-27 | 2020-10-27 | Double-flange workpiece drilling tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213645980U true CN213645980U (en) | 2021-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022419133.6U Active CN213645980U (en) | 2020-10-27 | 2020-10-27 | Double-flange workpiece drilling tool |
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| Country | Link |
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| CN (1) | CN213645980U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850536A (en) * | 2022-04-07 | 2022-08-05 | 无锡爱邦辐射技术有限公司 | Positioning device for processing eccentric hole of gun plate of electron gun |
| CN115302168A (en) * | 2022-08-31 | 2022-11-08 | 遵义航天新力精密铸锻有限公司 | Aeroengine mounting support point assembling and welding tool |
-
2020
- 2020-10-27 CN CN202022419133.6U patent/CN213645980U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114850536A (en) * | 2022-04-07 | 2022-08-05 | 无锡爱邦辐射技术有限公司 | Positioning device for processing eccentric hole of gun plate of electron gun |
| CN115302168A (en) * | 2022-08-31 | 2022-11-08 | 遵义航天新力精密铸锻有限公司 | Aeroengine mounting support point assembling and welding tool |
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