CN111376000A - Blind hole machining structure based on plug welding and machining method thereof - Google Patents
Blind hole machining structure based on plug welding and machining method thereof Download PDFInfo
- Publication number
- CN111376000A CN111376000A CN202010302814.6A CN202010302814A CN111376000A CN 111376000 A CN111376000 A CN 111376000A CN 202010302814 A CN202010302814 A CN 202010302814A CN 111376000 A CN111376000 A CN 111376000A
- Authority
- CN
- China
- Prior art keywords
- cylinder
- thin plate
- blind hole
- welding
- machining
- 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.)
- Pending
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention discloses a blind hole processing structure based on plug welding and a processing method thereof, wherein the height of a cylinder is greater than the thickness of a thin plate, the cylinder is plug-welded in the thin plate, the top of the cylinder is flush with the upper surface of the thin plate, the bottom of the cylinder protrudes out of the lower surface of the thin plate, a blind hole is arranged in the center of the cylinder, an opening of the blind hole is positioned at the top of the cylinder, and the depth of the blind hole is greater than the thickness of the thin plate. The invention overcomes the defect that the blind hole is processed after the thick plate is welded behind the thin plate in the prior art, can reduce the welding amount in the actual processing process, reduce the welding deformation, reduce the product weight, avoid the material layering phenomenon in the blind hole, and has simple equipment and process, convenient operation and wide application prospect and social benefit.
Description
Technical Field
The invention belongs to the technical field of welding and machining, and particularly relates to a blind hole machining structure based on plug welding and a blind hole machining method based on plug welding.
Background
The blind holes are through holes connecting the surface layer and the inner layer without penetrating through the whole board. The blind hole is used for connecting two or more parts in machining, is matched with a through hole and a bolt for use after being tapped in the blind hole, has the functions of sealing, corrosion resistance and the like, and is widely applied to part machining and assembling. The method for processing the blind hole on the thin plate generally adopts the steps of welding a thicker plate on the back of the thin plate and then processing the blind hole on two layers of plates, and has the defects of larger welding amount, larger welding deformation and product weight increase, and meanwhile, because the blind hole is formed on two plates, the material layering phenomenon exists in the blind hole, and the corrosion risk exists in the blind hole.
Disclosure of Invention
Aiming at the defects of the prior art, the invention is realized by the following technical scheme:
the blind hole machining structure based on plug welding comprises a thin plate and a cylinder, wherein the height of the cylinder is larger than the thickness of the thin plate, the cylinder is plug welded in the thin plate, the top of the cylinder is flush with the upper surface of the thin plate, the bottom of the cylinder protrudes out of the lower surface of the thin plate, a blind hole is formed in the center of the cylinder, an opening of the blind hole is located at the top of the cylinder, and the depth of the blind hole is larger than the thickness of the thin plate.
Furthermore, a through round hole is formed in the thin plate, the diameter of the round hole is matched with that of the cylinder, and the cylinder is welded in the round hole in a plug welding mode.
Furthermore, a circle of groove is arranged at the joint of the round hole and the thin plate, the groove is a welding part, and the welding seam is leveled to be consistent with the upper surface of the thin plate and the top surface of the cylinder.
Further, the slope of the groove is 30-45 degrees.
Furthermore, the depth of the groove is 1/3-1/2 of the thickness of the thin plate.
The invention also provides a blind hole machining structure machining method based on plug welding, which comprises the following steps of machining a round hole on a thin plate, machining a groove on the upper surface of the round hole, then installing a cylinder to ensure that the upper surface is flush, welding the cylinder and the thin plate together, and finally forming a blind hole on the cylinder.
The invention has the beneficial effects that:
the invention provides a blind hole processing structure based on plug welding and a processing method thereof, overcomes the defect that a thick plate is welded behind a thin plate and then a blind hole is processed in the prior art, can reduce the welding amount in the actual processing process, reduce the welding deformation, reduce the product weight, avoid the material layering phenomenon in the blind hole, and has the advantages of simple equipment and process, convenient operation, wide application prospect and social benefit.
Drawings
FIG. 1 is a cross-sectional view of a blind via processing structure of the present invention;
FIG. 2 is a schematic front view of a blind via processing structure according to the present invention;
FIG. 3 is a schematic view of the reverse side structure of the blind via processing structure of the present invention;
FIG. 4 is a schematic front view of a blind hole machining structure of a door frame 6 according to the present invention;
FIG. 5 is a schematic view of the reverse side of the blind hole processing structure of the door frame 6 according to the present invention;
wherein: 1. a thin plate; 2. a circular hole; 3. beveling; 4. a cylinder; 5. blind hole, 6, door frame.
Detailed Description
The preferred mechanisms and methods of motion realization of the present invention are further described below in conjunction with the figures and the detailed description.
As shown in fig. 1-3, a blind hole processing structure based on plug welding comprises a thin plate and a cylinder, wherein the height of the cylinder is greater than the thickness of the thin plate; the thin plate is provided with a through round hole, and the diameter of the round hole is matched with that of the cylinder; a circle of groove is arranged at the joint of the round hole and the thin plate, the slope of the groove is preferably controlled to be 30-45 degrees, and the depth of the groove is preferably controlled to be 1/3-1/2 degrees of the thickness of the thin plate; the cylinder plug welds in this round hole, and the cylindrical top flushes with the upper surface of sheet metal, and cylindrical bottom protrusion is in the lower surface of sheet metal, and the groove is the splice promptly, and the welding seam fills up the groove, and after the welding was accomplished, with the welding seam flat repair, it is unanimous with sheet metal upper surface and cylinder top surface.
The center of the cylinder is provided with a blind hole, an opening of the blind hole is positioned at the top of the cylinder, and the depth of the blind hole is greater than the thickness of the thin plate.
The embodiment also provides a blind hole machining structure machining method based on plug welding, which comprises the following steps of machining a round hole in a thin plate, machining a groove in the upper surface of the round hole, then installing a cylinder to ensure that the upper surface is flush, welding the cylinder and the thin plate together, and finally forming a blind hole in the cylinder.
The process flow is as follows:
1. opening a round hole and a groove: and (3) machining a hole matched with the diameter of the cylinder on the thin plate, machining a groove on the periphery of the hole for welding, wherein the gradient of the groove is controlled to be 30-45 degrees, and the depth of the groove is controlled to be 1/3-1/2 of the thickness of the thin plate.
2. Assembling: the cylinder is plugged into the round hole, and one end of the cylinder is flush with the outer surface of the thin plate.
3. Welding: and welding the cylinder and the thin plate together by argon arc welding, and welding in the groove, wherein the welding line is continuous.
4. Drilling a blind hole: and (4) drilling blind holes on the plug-welded cylinder after the welding seam is flattened, wherein the depth of the blind holes is greater than the thickness of the thin plate.
For example, a round hole with the diameter of 10mm is machined on a thin plate with the diameter of 5mm, a bevel with the angle of 2 x 45 degrees is machined on the upper surface of the round hole, a cylinder with the length of 10mm and the diameter of 10mm is installed to ensure that the upper surface is flush, the cylinder and the thin plate are welded together, and finally a blind hole with the depth of 7mm and the diameter of 4mm is formed in the cylinder.
For another example, as shown in fig. 4-5, for maintenance and assembly of a certain product, 30 door frames 6 are arranged on two side box beams, 16 blind holes are required to be drilled on the periphery of each door frame 6, the size of each blind hole is 6mm in thread depth and 7mm in hole depth, the thickness of a required plate is 10mm, but in consideration of the overall requirement and weight reduction requirement, the plate thickness of the existing side box beam is 5mm, a 10mm round hole and a groove are firstly drilled on the 5mm door frame 6, then a 10mm cylinder is welded with the door frame 6, and finally, blind holes are machined on the 10mm cylinder according to the requirement.
Finally, it should be noted that: although the present invention has been described in detail with reference to the embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (6)
1. The blind hole machining structure based on plug welding is characterized by comprising a thin plate and a cylinder, wherein the height of the cylinder is larger than the thickness of the thin plate, the cylinder is plug welded in the thin plate, the top of the cylinder is flush with the upper surface of the thin plate, the bottom of the cylinder protrudes out of the lower surface of the thin plate, a blind hole is formed in the center of the cylinder, an opening of the blind hole is located at the top of the cylinder, and the depth of the blind hole is larger than the thickness of the thin plate.
2. The plug welding-based blind hole machining structure according to claim 1, wherein a circular hole is formed through the thin plate, the diameter of the circular hole is matched with that of the cylinder, and the cylinder is plug welded in the circular hole.
3. The plug welding-based blind hole machining structure according to claim 2, wherein a groove is formed at the joint of the round hole and the thin plate, the groove is a welding part, and the welding seam is flattened and is consistent with the upper surface of the thin plate and the top surface of the cylinder.
4. The plug welding-based blind hole machining structure according to claim 3, wherein the slope of the groove is 30 ° to 45 °.
5. The plug welding-based blind hole machining structure according to claim 4, wherein the depth of the groove is 1/3-1/2 of the thickness of the thin plate.
6. A blind hole machining structure machining method based on plug welding is characterized by comprising the following steps of machining a round hole in a thin plate, machining a groove in the upper surface of the round hole, then installing a cylinder to ensure that the upper surface is flush, welding the cylinder and the thin plate together, and finally forming a blind hole in the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010302814.6A CN111376000A (en) | 2020-04-16 | 2020-04-16 | Blind hole machining structure based on plug welding and machining method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010302814.6A CN111376000A (en) | 2020-04-16 | 2020-04-16 | Blind hole machining structure based on plug welding and machining method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111376000A true CN111376000A (en) | 2020-07-07 |
Family
ID=71218874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010302814.6A Pending CN111376000A (en) | 2020-04-16 | 2020-04-16 | Blind hole machining structure based on plug welding and machining method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111376000A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191995A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Method for repairing fairing of intermediate casing |
-
2020
- 2020-04-16 CN CN202010302814.6A patent/CN111376000A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112191995A (en) * | 2020-09-29 | 2021-01-08 | 中国航发动力股份有限公司 | Method for repairing fairing of intermediate casing |
| CN112191995B (en) * | 2020-09-29 | 2022-04-15 | 中国航发动力股份有限公司 | Method for repairing fairing of intermediate casing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102817898B (en) | A kind of screw thread welding repair technology | |
| CN112059394B (en) | Electron beam welding method for lock bottom butt joint of large-size thin-wall titanium alloy storage box | |
| CN101695790B (en) | Laser welding method | |
| CN105251971B (en) | A kind of method hot rolling plate base process interlayer vacuum coating method | |
| CN107717185A (en) | The welding method of three layers of two-sided stainless steel clad plate | |
| CN111376000A (en) | Blind hole machining structure based on plug welding and machining method thereof | |
| CN105127583B (en) | A kind of aluminium alloy thick plate friction stir welding method | |
| CN105108297B (en) | A kind of overall composite flange and its manufacture method | |
| CN106425291A (en) | Demineralized water tank for high-temperature condensate water and manufacturing method thereof | |
| CN212145172U (en) | Blind hole processing structure based on plug welding | |
| CN115156666A (en) | Deep-melting TIG welding method for main shielding corrugated plate of containment system | |
| CN112814153B (en) | Box-type steel column butt joint connection structure with different wall thicknesses and construction method thereof | |
| CN103587536B (en) | Motor train unit aluminum alloy water tank manufacturing method | |
| CN106514025B (en) | A kind of integral processing method of Frame of hydraulic steel plate shearer | |
| CN201010690Y (en) | U-shaped vacuum chamber used for vacuum plating | |
| CN219189060U (en) | Repair groove structure suitable for non-penetrability defect welding of thick-wall part | |
| CN213952605U (en) | Connecting node for steel plate shear wall segmentation | |
| CN204893199U (en) | Whole compound flange | |
| CN108857117B (en) | Manufacturing method of high-strength launching well fence structural member | |
| CN116352219B (en) | Water-drop type tower barrel assembly and water-drop type tower barrel construction method | |
| CN204771189U (en) | Laser penetration welded weld structure | |
| CN211037302U (en) | Steel structure connecting assembly | |
| CN212003134U (en) | Direct welding type seam punching sieve tube | |
| CN210413201U (en) | Bottom plate assembling and welding tool for manufacturing electrolytic cell shell | |
| CN216112559U (en) | Lining composite steel pipe end surfacing structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |