CN215941568U - Self-centering drilling device - Google Patents
Self-centering drilling device Download PDFInfo
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- CN215941568U CN215941568U CN202121979932.7U CN202121979932U CN215941568U CN 215941568 U CN215941568 U CN 215941568U CN 202121979932 U CN202121979932 U CN 202121979932U CN 215941568 U CN215941568 U CN 215941568U
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Abstract
The utility model discloses a self-centering drilling device, wherein a power device 1 is fixedly connected with a connecting plate 2, the upper end of a guide pillar 3 penetrates through the connecting plate 2, the lower end of the guide pillar 3 is fixedly connected with a bent plate 4, a power head 5 is fixedly connected with a positioning plate 6, the guide pillar 3 penetrates through two ends of the positioning plate 6 and moves up and down by taking the guide pillar 3 as a guide, the positioning plate 6 is provided with a positioning column 7, a positioning seat 8 is fixedly arranged on the bent plate 4, a rotating shaft 9 penetrates through the positioning seat 8, a bearing 10 is arranged between the rotating shaft 9 and the positioning seat 8, the front end of the rotating shaft 9 is provided with a positioning disc 11 and is fixed on the rotating shaft 9 by a nut 12. The automatic centering device has the advantages that when the butterfly valve flange is machined, automatic centering is achieved, the labor intensity of workers is reduced, and machining precision and machining efficiency are improved.
Description
Technical Field
The utility model relates to a self-centering drilling device.
Background
A butterfly valve, also called a flap valve, is a regulating valve with simple structure, and can be used for the on-off control of low-pressure pipeline media, namely a valve which is opened and closed by rotating around a valve shaft, wherein a closing member (a valve clack or a butterfly plate) is a disk. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like. The pipe mainly plays a role in cutting off and throttling. The butterfly valve opening and closing piece is a disc-shaped butterfly plate and rotates around the axis of the butterfly plate in the valve body, so that the opening and closing or adjusting purpose is achieved.
The drilling of the butterfly valve flange has position degree requirements relative to a valve rod and a valve plate, the drilling of the butterfly valve flange in the prior art is a method of adding a drilling template by using a bent plate, the method is low in efficiency, the precision of the position degree of the drilled hole is low, many products cannot meet the technical requirements, and rework or scrapping is needed.
SUMMERY OF THE UTILITY MODEL
The utility model solves the technical problem of overcoming the defects of the prior art and provides a self-centering drilling device.
The technical scheme includes that the power device is fixedly connected with a connecting plate, the upper end of a guide pillar penetrates through the connecting plate, the lower end of the guide pillar is fixedly connected with a bent plate, a power head is fixedly connected with a positioning plate, the guide pillar penetrates through two ends of the positioning plate and moves up and down by taking the guide pillar as a guide, the positioning plate is provided with a positioning column, the positioning seat is fixedly installed on the bent plate, a rotating shaft penetrates through the positioning seat, a bearing is arranged between the rotating shaft and the positioning seat, and the front end of the rotating shaft is provided with a positioning disc and fixed on the rotating shaft through a nut. A reset guide pillar is arranged between the positioning plate and the connecting plate, the lower end of the reset guide pillar is fixedly connected with the positioning plate, the upper end of the reset guide pillar penetrates through the connecting plate, and a reset spring is sleeved on the reset guide pillar and compressed between the positioning plate and the connecting plate.
The upper end of the reset guide post is screwed in a limit nut. The position of the positioning plate on the guide column is adjusted by adjusting the position of the limiting nut on the reset guide column, so that the butterfly valve flange drilling processing device is suitable for drilling processing of butterfly valve flanges of different specifications.
An upper bushing is arranged between the guide post and the connecting plate. A lower bushing is arranged between the guide pillar and the positioning plate. The bush can protect the guide pillar not by the fish tail, reduces frictional resistance, and is wear-resisting, and it is convenient to change.
The bearing comprises a thrust bearing and a deep groove ball bearing. The thrust bearing can bear more axial force, and the deep groove ball bearing can bear more radial force.
The bent plate is provided with a rectangular through hole. The positioning seat can be changed to different positions up and down, and the processing requirements of butterfly valve flanges of different specifications are met.
During processing, the butterfly valve flange is sleeved on the positioning disc, the position of the positioning seat in the bent plate through hole is adjusted according to the size of the butterfly valve flange, and the position of the positioning plate is adjusted by adjusting the position of the limiting nut on the reset guide pillar. The power head drives the positioning plate to move downwards, the positioning column below the positioning plate is in contact with the middle hole in the butterfly valve flange, and the butterfly valve flange on the positioning plate can rotate around the rotating shaft and is inserted into the positioning hole of the butterfly valve flange, so that the butterfly valve flange is automatically righted. After drilling, the power head is withdrawn, and the positioning plate is automatically reset under the action of the reset spring. And finishing the machining of the flange of the butterfly valve.
The automatic centering device has the advantages that when the butterfly valve flange is machined, automatic centering is achieved, the labor intensity of workers is reduced, and machining precision and machining efficiency are improved.
Drawings
FIG. 1 is a front view of a self-centering drilling apparatus of the present invention;
FIG. 2 is a left side view of FIG. 1;
FIG. 3 is a front view of a bent plate component of a self-centering drilling device of the present invention.
Labeled as: the device comprises a power device 1, a connecting plate 2, a guide post 3, a bent plate 4, a power head 5, a positioning plate 6, a positioning post 7, a positioning seat 8, a rotating shaft 9, a bearing 10, a positioning plate 11, a nut 12, a reset guide post 13, a reset spring 14, a limit nut 15, an upper bushing 16, a lower bushing 17, a thrust bearing 18, a deep groove ball bearing 19 and a butterfly valve flange 20.
Detailed Description
The utility model will be further explained with reference to the drawings.
As shown in fig. 1 and 2, a self-centering drilling device, a power device 1 is fixedly connected with a connecting plate 2, the upper end of a guide pillar 3 penetrates through the connecting plate 2, the lower end of the guide pillar 3 is fixedly connected with a bent plate 4, a power head 5 is fixedly connected with a positioning plate 6, the guide pillar 3 penetrates through two ends of the positioning plate 6 and moves up and down by taking the guide pillar 3 as a guide, the positioning plate 6 is provided with a positioning column 7, a positioning seat 8 is fixedly installed on the bent plate 4, a rotating shaft 9 penetrates through the positioning seat 8, a bearing 10 is arranged between the rotating shaft 9 and the positioning seat 8, the front end of the rotating shaft 9 is provided with a positioning disc 11 and is fixed on the rotating shaft 9 by a nut 12.
A reset guide post 13 is arranged between the positioning plate 6 and the connecting plate 2, the lower end of the reset guide post 13 is fixedly connected with the positioning plate 6, the upper end of the reset guide post 13 penetrates through the connecting plate 2, and a reset spring 14 is sleeved on the reset guide post 13 and compressed between the positioning plate 6 and the connecting plate 2. The upper end of the reset guide post 13 is screwed into a limit nut 15. The position of the positioning plate 6 on the guide post 3 is adjusted by adjusting the position of the limiting nut 15 on the reset guide post 13, so that the drilling processing of the butterfly valve flanges 20 with different specifications is adapted.
An upper bushing 16 is arranged between the guide post 3 and the connecting plate 2. A lower bushing 17 is arranged between the guide post 3 and the positioning plate 6. The bush can protect the guide pillar not by the fish tail, reduces frictional resistance, and is wear-resisting, and it is convenient to change.
The bearing 10 comprises a thrust bearing 18 and a deep groove ball bearing 19. The thrust bearing 18 can bear more axial force, and the deep groove ball bearing 19 can bear more radial force.
The bent plate 4 is provided with a rectangular through hole. The positioning seat 8 can be changed to different positions up and down, and the processing requirements of the butterfly valve flanges 20 with different specifications are met.
During processing, firstly, the butterfly valve flange 20 is sleeved on the positioning plate 11, the position of the positioning seat 8 in the through hole of the bent plate 4 is adjusted according to the size of the butterfly valve flange 20, and the position of the positioning plate 6 is adjusted by adjusting the position of the limiting nut 15 on the reset guide pillar 13. The power head 5 drives the positioning plate 6 to move downwards, the positioning column 7 below the positioning plate 6 is in contact with the middle hole in the butterfly valve flange 20, and the butterfly valve flange 20 on the positioning plate 11 can rotate around the rotating shaft 9, so that the positioning column 7 is inserted into the positioning hole in the butterfly valve flange 20, and the butterfly valve flange is automatically adjusted. After drilling, the power head 5 is withdrawn, and the positioning plate 6 is automatically reset under the action of the reset spring 14. And finishing the machining of the butterfly valve flange 20.
Claims (7)
1. A self-centering drilling device, characterized by: power device (1) and connecting plate (2) fixed connection, connecting plate (2) are passed to guide pillar (3) upper end, guide pillar (3) lower extreme and bent plate (4) fixed connection, unit head (5) and locating plate (6) fixed connection, the both ends of locating plate (6) are passed in guide pillar (3), reciprocate for the direction with guide pillar (3), be equipped with reference column (7) on locating plate (6), locating seat (8) fixed mounting is on bent plate (4), rotation axis (9) pass locating seat (8), be equipped with bearing (10) between rotation axis (9) and locating seat (8), rotation axis (9) front end is equipped with positioning disk (11), and fix on rotation axis (9) with nut (12).
2. A self-centering drilling device according to claim 1, wherein: a reset guide post (13) is arranged between the positioning plate (6) and the connecting plate (2), the lower end of the reset guide post (13) is fixedly connected with the positioning plate (6), the upper end of the reset guide post (13) penetrates through the connecting plate (2), and a reset spring (14) is sleeved on the reset guide post (13) and compressed between the positioning plate (6) and the connecting plate (2).
3. A self-centering drilling device according to claim 2, wherein: the upper end of the reset guide post (13) is screwed into a limit nut (15).
4. A self-centering drilling device according to claim 1, wherein: an upper bushing (16) is arranged between the guide post (3) and the connecting plate (2).
5. A self-centering drilling device according to claim 1, wherein: a lower bushing (17) is arranged between the guide post (3) and the positioning plate (6).
6. A self-centering drilling device according to claim 1, wherein: the bearing (10) comprises a thrust bearing (18) and a deep groove ball bearing (19).
7. A self-centering drilling device according to claim 1, wherein: the bent plate (4) is provided with a rectangular through hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121979932.7U CN215941568U (en) | 2021-08-23 | 2021-08-23 | Self-centering drilling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121979932.7U CN215941568U (en) | 2021-08-23 | 2021-08-23 | Self-centering drilling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215941568U true CN215941568U (en) | 2022-03-04 |
Family
ID=80433399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121979932.7U Active CN215941568U (en) | 2021-08-23 | 2021-08-23 | Self-centering drilling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215941568U (en) |
-
2021
- 2021-08-23 CN CN202121979932.7U patent/CN215941568U/en active Active
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