CN215968253U - Pipe wall and pipe orifice chamfer integrated shot blasting processing tool - Google Patents
Pipe wall and pipe orifice chamfer integrated shot blasting processing tool Download PDFInfo
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- CN215968253U CN215968253U CN202121621701.9U CN202121621701U CN215968253U CN 215968253 U CN215968253 U CN 215968253U CN 202121621701 U CN202121621701 U CN 202121621701U CN 215968253 U CN215968253 U CN 215968253U
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- shot blasting
- wall
- pipe orifice
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Abstract
The utility model relates to a pipe wall and pipe orifice chamfer integrated shot blasting processing tool, which comprises a first plug, a second plug, a knocking rod and a sealing cover; the first plug and the second plug are used for plugging openings at two ends of the pipe; the first plug is of a solid structure, the second plug is provided with an axial through hole, the knocking rod can penetrate through the second plug, the knocking rod is in clearance fit with the axial through hole, and the sealing cover can seal the axial through hole. The utility model can simultaneously complete the shot blasting processing of the outer wall of the pipe and the chamfer area of the pipe orifice, and has high shot blasting efficiency; the protection piece can be accurately positioned aiming at shot blasting and protection positions, and the position and the shape of the protection piece can be ensured to be complete under the impact of high-speed shot flow; the installation and the disassembly can be conveniently carried out; long service life and can be used for many times.
Description
Technical Field
The utility model relates to the technical field of machining, and particularly provides an integrated shot blasting machining tool for pipe walls and pipe orifice chamfers.
Background
The shot peening strengthening utilizes high-speed shot flow to impact the metal surface to generate plastic deformation, the metal structure of the surface layer is favorably changed, and a residual stress field is introduced, so that the fatigue resistance and the corrosion resistance of the part are improved. Since the parts need to be fitted to each other, a region where shot peening is prohibited (non-peened region) exists in the parts, and strict protection is required. In the peening process, the stream of shots strikes the surface of the part at high velocity and also impacts the non-peened areas, so that the protection of the non-peened areas must be strictly reliable.
At present, the non-shot blasting area is protected by an adhesive tape and a tool. The adhesive tape has the following defects in shot blasting protection: 1. the shot is easy to fall off under the impact of the shot flow, and the edge is easy to damage, so that shot blasting is carried out on a non-shot blasting area; 2. in the hole protection part area of the part, the adhesive tape cannot be conveniently attached to the non-shot blasting surface; 3. can not be repeatedly used. Therefore, for the holes of the parts, a novel tool needs to be provided to meet the requirement of shot blasting production.
Disclosure of Invention
The purpose of the utility model is as follows: the problem of simultaneous shot blasting of the pipe orifice and the pipe wall is solved, the inner wall of the pipe can be effectively protected, and meanwhile, shot blasting can be accurately performed on the chamfer of the pipe orifice, so that the position of the protecting piece can be adjusted on the axis; and the protection tool can be repeatedly used.
The technical scheme of the utility model is as follows:
the pipe wall and pipe orifice chamfer integrated shot blasting processing tool comprises a first plug, a second plug, a knocking rod and a sealing cover; the first plug and the second plug are used for plugging openings at two ends of the pipe;
the first plug is of a solid structure, the second plug is provided with an axial through hole, the knocking rod can penetrate through the second plug, the knocking rod is in clearance fit with the axial through hole, and the sealing cover can seal the axial through hole.
Further, the first plug is in interference fit with the inner wall of the tube.
Further, the first plug is threadedly engaged with the inner wall of the tube.
Further, the second plug is in interference fit with the inner wall of the tube.
Further, the second plug is in threaded engagement with the inner wall of the tube.
Further, the sealing cover is in interference fit or threaded fit with the axial through hole.
Further, the end faces of the first plug and the second plug are knocking faces. Preferably, the knocking surface is provided with a positioning groove, and the positioning groove is matched with the end part of the knocking rod.
Furthermore, the first plug and the second plug are made of metal.
Furthermore, the sealing cover is made of polytetrafluoroethylene.
Based on the shot blasting method of the pipe wall and pipe orifice chamfer integrated shot blasting processing tool,
1) installing the second plug into the pipe, and knocking the inner end face and the outer end face of the second plug to ensure that the chamfer angle of the pipe orifice is accurately exposed;
2) installing the first plug into the pipe, realizing accurate positioning by knocking the end faces at two sides of the first plug, and penetrating a knocking rod through the axial through hole of the second plug when the end face at the inner end of the first plug is knocked, so that the chamfer of the pipe orifice is accurately exposed;
3) removing the knocking rod, and sealing the axial through hole by a sealing cover;
4) and (4) placing the pipe provided with the first plug and the second plug in a shot blasting device to complete shot blasting.
The utility model has the beneficial effects that: the shot blasting processing of the outer wall of the pipe and the chamfer area of the pipe orifice is finished at the same time, and the shot blasting efficiency is high; the protection piece can be accurately positioned aiming at shot blasting and protection positions, and the position and the shape of the protection piece can be ensured to be complete under the impact of high-speed shot flow; the installation and the disassembly can be conveniently carried out; long service life and can be used for many times.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged view of area A of FIG. 1;
FIG. 3 is an enlarged view of area B of FIG. 1;
FIG. 4 is a schematic view of a tapping rod;
FIGS. 5-9 are schematic views of an assembly method of the present invention;
wherein: 1-second plug, 2-first plug, 3-cover, 4-tube, 5-knock rod.
Detailed Description
The pipe wall and pipe orifice chamfer integrated shot blasting processing tool comprises a first plug, a second plug, a knocking rod and a sealing cover; the first plug and the second plug are used for plugging openings at two ends of the pipe;
the first plug is of a solid structure, the second plug is provided with an axial through hole, the knocking rod can penetrate through the second plug, the knocking rod is in clearance fit with the axial through hole, and the sealing cover can seal the axial through hole.
The first plug is in interference fit with an inner wall of the tube.
The second plug is in interference fit with the inner wall of the tube.
The sealing cover is in threaded fit with the axial through hole.
The end faces of the first plug and the second plug are knocking faces. And the knocking surface is provided with a positioning groove which is matched with the end part of the knocking rod.
The first plug and the second plug are made of steel.
The sealing cover is made of polytetrafluoroethylene.
Based on the shot blasting method of the pipe wall and pipe orifice chamfer integrated shot blasting processing tool,
1) installing the second plug into the pipe, and knocking the inner end face and the outer end face of the second plug to ensure that the chamfer angle of the pipe orifice is accurately exposed;
2) installing the first plug into the pipe, realizing accurate positioning by knocking the end faces at two sides of the first plug, and penetrating a knocking rod through the axial through hole of the second plug when the end face at the inner end of the first plug is knocked, so that the chamfer of the pipe orifice is accurately exposed;
3) removing the knocking rod, and sealing the axial through hole by a sealing cover;
4) and (4) placing the pipe provided with the first plug and the second plug in a shot blasting device to complete shot blasting.
Claims (10)
1. Integrative peening processing frock of pipe wall and mouth of pipe chamfer, its characterized in that: the device comprises a first plug, a second plug, a knocking rod and a sealing cover; the first plug and the second plug are used for plugging openings at two ends of the pipe;
the first plug is of a solid structure, the second plug is provided with an axial through hole, the knocking rod can penetrate through the second plug, the knocking rod is in clearance fit with the axial through hole, and the sealing cover can seal the axial through hole.
2. The pipe wall and pipe orifice chamfer integrated shot blasting machining tool according to claim 1, characterized in that: the first plug is in interference fit with an inner wall of the tube.
3. The pipe wall and pipe orifice chamfer integrated shot blasting machining tool according to claim 1, characterized in that: the first plug is in threaded engagement with the inner wall of the tube.
4. The pipe wall and pipe orifice chamfer integrated shot blasting machining tool according to claim 1, characterized in that: the second plug is in interference fit with the inner wall of the tube.
5. The pipe wall and pipe orifice chamfer integrated shot blasting machining tool according to claim 1, characterized in that: the second plug is in threaded engagement with the inner wall of the tube.
6. The pipe wall and pipe orifice chamfer integrated shot blasting machining tool according to claim 1, characterized in that: the sealing cover is in interference fit or threaded fit with the axial through hole.
7. The pipe wall and pipe orifice chamfer integrated shot blasting machining tool according to claim 1, characterized in that: the end faces of the first plug and the second plug are knocking faces.
8. The pipe wall and pipe orifice chamfer integrated shot blasting machining tool according to claim 1, characterized in that: the first plug and the second plug are made of metal.
9. The pipe wall and pipe orifice chamfer integrated shot blasting machining tool according to claim 1, characterized in that: the sealing cover is made of polytetrafluoroethylene.
10. The pipe wall and pipe orifice chamfer integrated shot blasting machining tool according to claim 7, characterized in that: and the knocking surface is provided with a positioning groove which is matched with the end part of the knocking rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121621701.9U CN215968253U (en) | 2021-07-16 | 2021-07-16 | Pipe wall and pipe orifice chamfer integrated shot blasting processing tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121621701.9U CN215968253U (en) | 2021-07-16 | 2021-07-16 | Pipe wall and pipe orifice chamfer integrated shot blasting processing tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215968253U true CN215968253U (en) | 2022-03-08 |
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ID=80577429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121621701.9U Active CN215968253U (en) | 2021-07-16 | 2021-07-16 | Pipe wall and pipe orifice chamfer integrated shot blasting processing tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215968253U (en) |
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2021
- 2021-07-16 CN CN202121621701.9U patent/CN215968253U/en active Active
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