CN210648669U - Sprocket flange hole boring grab - Google Patents
Sprocket flange hole boring grab Download PDFInfo
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- CN210648669U CN210648669U CN201921034741.6U CN201921034741U CN210648669U CN 210648669 U CN210648669 U CN 210648669U CN 201921034741 U CN201921034741 U CN 201921034741U CN 210648669 U CN210648669 U CN 210648669U
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Abstract
A sprocket flange hole drilling jig comprising: the device comprises a bottom plate, a side stop pin, a lower profile positioning pin, a supporting column, a drill plate, a bushing, a movable bolt, a drill bushing, an upper profile positioning pin, a lifting ring, a supporting block and a clamping mechanism; the drilling jig is characterized in that a split structure is adopted, three lower contour positioning pins which are evenly distributed in a split mode, twelve supporting columns which are evenly distributed in a split mode, side stop pins and a clamping mechanism are installed on a bottom plate, a drilling jig plate is installed on the upper portion of the bottom plate, and a workpiece is placed between the drilling jig plate and the bottom plate. The fixture adopts a split structure, positioning holes and two end faces of a workpiece are taken as references, the workpiece is centered on the bottom plate and the drill plate through outer contour circles of the positioning pins which are uniformly distributed at three points, the workpiece is angularly positioned by the side stop pins, the workpiece, the bottom plate and the drill plate are compressed into a whole by the clamping mechanism, and drilling is carried out by taking a drill bushing on the drill plate as a guide. The utility model discloses positioning accuracy is high, press from both sides tight rigidity good, compact structure, easy and simple to handle, has improved work piece machining efficiency, has alleviateed operator's intensity of labour.
Description
Technical Field
The utility model belongs to the machining field relates to a boring grab, especially relates to a special boring grab for processing major diameter sprocket flange hole.
Background
In the prior art, for a large-diameter chain wheel, bolts are usually used for mounting through a plurality of axially and uniformly distributed flange holes on the end face of the chain wheel. The special machine tool or the machining center can be used for machining the sprocket flange hole, but the special machine tool and the machining center are high in price, and the production cost can be greatly improved. The equipment cost can be greatly reduced by using the radial drilling machine for processing, but the manual scribing and drilling modes are needed, the working efficiency is low, the production requirements cannot be met, and the product quality is not stable.
The utility model discloses a water valve flange hole boring grab of the grant of national intellectual property office 2013.01.09, application date: 2012.05.23, patent application No.: 2012202331908, publication number: CN 202655961U.
The utility model discloses a water valve flange hole drilling anchor clamps, comprises a workbench, the one end of workstation is equipped with the drilling machine, the middle part fixed surface of workstation installs two left and right support columns, be equipped with the depression bar between two left and right support columns, fixed mounting has the pneumatic cylinder on the workstation of depression bar below, the piston rod upper end fixed mounting of pneumatic cylinder has the supporting seat, the top fixed mounting of supporting seat has the blotter, the both ends of depression bar overlap respectively on two left and right support columns, adjusting nut is installed in the cooperation of two left and right support column upper ends. The utility model discloses a structure only is applicable to the flange hole drilling in special water valve, is not suitable for the special drilling in major diameter sprocket flange hole.
Therefore, the sprocket flange hole drilling fixture which can meet the machining requirements and simultaneously give consideration to the working efficiency is needed to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a compact structure, convenient operation, work efficiency height, safe and reliable's boring grab who is used for radial drill to process sprocket flange hole.
In order to realize the above purpose, the utility model adopts the technical scheme that: a sprocket flange hole drilling jig comprising: the device comprises a bottom plate, a side stop pin, a lower profile positioning pin, a supporting column, a drill plate, a bushing, a movable bolt, a drill bushing, an upper profile positioning pin, a lifting ring, a supporting block and a clamping mechanism; the drilling jig is characterized in that a split structure is adopted, three lower contour positioning pins which are evenly distributed in a split mode, twelve supporting columns which are evenly distributed in a split mode, side stop pins and a clamping mechanism are installed on a bottom plate, a drilling jig plate is installed on the upper portion of the bottom plate, and a workpiece is placed between the drilling jig plate and the bottom plate.
Twelve drill bushings which are evenly distributed in equal parts, three upper outline positioning pins which are evenly distributed in equal parts, twelve supporting blocks which are evenly distributed in equal parts, a bushing and at least two hanging rings are arranged on the drill plate.
The bushing is provided with a positioning hole, and a movable bolt is arranged in the positioning hole.
The workpiece is placed on twelve equally distributed supporting columns arranged on the bottom plate, an outer contour circle formed by outer circles of three equally distributed lower contour positioning pins centers the workpiece, and an outer circle of the side stop pin abuts against a tooth profile of the workpiece to perform angular positioning.
The utility model adopts the above technical scheme after have following superiority: the fixture adopts a split structure, positioning holes and two end faces of a workpiece are taken as references, the workpiece is centered on the bottom plate and the drill plate through outer contour circles of the positioning pins which are uniformly distributed at three points, the workpiece is angularly positioned by the side stop pins, the workpiece, the bottom plate and the drill plate are compressed into a whole by the clamping mechanism, and drilling is carried out by taking a drill bushing on the drill plate as a guide. The utility model discloses positioning accuracy is high, press from both sides tight rigidity good, compact structure, easy and simple to handle, has improved work piece machining efficiency, has alleviateed operator's intensity of labour.
Drawings
Fig. 1 is the utility model relates to a sprocket flange hole boring grab's top view.
3 fig. 3 2 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 line 3 a 3- 3 a 3 of 3 fig. 31 3. 3
In the figure: the device comprises a base plate 1, a side stop pin 2, a lower outline positioning pin 3, a supporting column 4, a drilling template 5, a lining 6, a movable bolt 7, a drilling sleeve 8, an upper outline positioning pin 9, a lifting ring 10, a supporting block 11, a clamping mechanism 12 and a workpiece 13.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples. As shown in fig. 1 and 2, a sprocket flange hole drilling jig comprises a bottom plate 1, a side stop pin 2, a lower profile positioning pin 3, a support column 4, a drill plate 5, a bushing 6, a movable bolt 7, a drill bushing 8, an upper profile positioning pin 9, a lifting ring 10, a support block 11 and a clamping mechanism 12; the fixture adopts a split structure, three evenly distributed lower contour positioning pins 3, twelve evenly distributed supporting columns 4, side stop pins 2 and a squeezing mechanism 12 are arranged on a bottom plate 1, twelve evenly distributed drill bushings 8, three evenly distributed upper contour positioning pins 9, twelve evenly distributed supporting blocks 11, a bushing 6 and a hanging ring 10 are arranged on a drill plate 5, and a movable bolt is arranged 7 in a positioning hole of the bushing 6.
The utility model discloses a theory of operation does: the positioning hole and two end faces are used as positioning references, a workpiece 13 is hoisted and placed on twelve equally distributed supporting columns 4 arranged on the bottom plate 1, an outer contour circle formed by the outer circles of three equally distributed lower contour positioning pins 3 centers the workpiece 13, the outer circle of the side stop pin 2 abuts against the tooth profile of the workpiece 13 to perform angular positioning, the drill plate 5 is hoisted by the hoisting ring 10 and is placed on a workpiece 13 by twelve equally distributed supporting blocks 11, the workpiece 13 is centered by an outer contour circle formed by the outer circles of three upper contour positioning pins 9 which are equally and uniformly distributed and arranged on the drilling template 5, the excircle of a movable bolt 7 arranged in a positioning hole of a bush 6 arranged on a drill plate 5 is blocked against the tooth profile of a workpiece 13 for angular positioning, and after the workpiece 13, a bottom plate 1 and the drill plate 5 are pressed into a whole by a clamping mechanism 12, and starting the radial drilling machine, and enabling the drill bit to pass through the drill bushing 8 arranged on the drill plate 5 to be used as a guide to perform drilling processing.
The utility model discloses use work piece 13's locating hole and both ends face as the benchmark, the outline circle that three point equipartition's last outline locating pin 9 formed on bottom plate 1 last three point equipartition's lower outline locating pin 3 and bushing plate 5 is centering to work piece 13, side backing pin 2 is to work piece 13 angular positioning, clamping mechanism compresses tightly work piece 13 as an organic whole with bottom plate 1 and bushing plate 5, bushing 8 through on the bushing plate 5 is as guide processing sprocket flange mounting hole, positioning accuracy is high, it is good to press from both sides tight rigidity, moreover, the steam generator is compact in structure, and is easy and simple to handle, workpiece machining efficiency is improved, operator's intensity of labour has been alleviateed.
Finally, it should be noted that: while the present invention has been described with reference to the foregoing embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. All changes, modifications, equivalents and the like which come within the spirit of the invention are intended to be embraced therein.
Claims (4)
1. A sprocket flange hole drilling jig comprising: the device comprises a bottom plate (1), side stop pins (2), a lower outline positioning pin (3), a supporting column (4), a drilling template (5), a lining (6), a movable bolt (7), a drilling sleeve (8), an upper outline positioning pin (9), a lifting ring (10), a supporting block (11) and a clamping mechanism (12); the method is characterized in that: the split structure is adopted, three lower contour positioning pins (3) which are evenly distributed in an equal way, twelve supporting columns (4) which are evenly distributed in an equal way, side stop pins (2) and a clamping mechanism (12) are arranged on a bottom plate (1), a drill plate (5) is arranged on the upper portion of the bottom plate (1), and a workpiece (13) is placed between the drill plate (5) and the bottom plate (1).
2. The sprocket flange hole drilling jig of claim 1, characterized in that: twelve drill bushings (8) which are evenly distributed in equal parts, three upper contour positioning pins (9) which are evenly distributed in equal parts, twelve supporting blocks (11) which are evenly distributed in equal parts, a bushing (6) and at least two lifting rings (10) are arranged on the drill plate (5).
3. The sprocket flange hole drilling jig of claim 1, characterized in that: the bushing (6) is provided with a positioning hole, and a movable bolt (7) is arranged in the positioning hole.
4. The sprocket flange hole drilling jig of claim 1, characterized in that: the workpiece (13) is placed on twelve equally distributed supporting columns (4) arranged on the bottom plate (1), an outer contour circle formed by outer circles of three equally distributed lower contour positioning pins (3) centers the workpiece (13), and an outer circle of the side stop pin (2) abuts against a tooth profile of the workpiece (13) to perform angular positioning.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921034741.6U CN210648669U (en) | 2019-07-04 | 2019-07-04 | Sprocket flange hole boring grab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921034741.6U CN210648669U (en) | 2019-07-04 | 2019-07-04 | Sprocket flange hole boring grab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210648669U true CN210648669U (en) | 2020-06-02 |
Family
ID=70834557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921034741.6U Active CN210648669U (en) | 2019-07-04 | 2019-07-04 | Sprocket flange hole boring grab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210648669U (en) |
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2019
- 2019-07-04 CN CN201921034741.6U patent/CN210648669U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 471004 No. 154, Jianxi, Luoyang District, Henan, Jianshe Road Patentee after: YTO (LUOYANG) WIT TOOLS & EQUIPMENTS Co.,Ltd. Address before: 471004 Jianshe Road 154, Jianxi District, Kaifeng City, Henan Patentee before: YTO (LUOYANG) WIT TOOLS & EQUIPMENTS Co.,Ltd. |