CN111216022A - Oxide layer removing mechanism for welding and repairing of pig iron casting arc surface cracks - Google Patents
Oxide layer removing mechanism for welding and repairing of pig iron casting arc surface cracks Download PDFInfo
- Publication number
- CN111216022A CN111216022A CN201911247854.9A CN201911247854A CN111216022A CN 111216022 A CN111216022 A CN 111216022A CN 201911247854 A CN201911247854 A CN 201911247854A CN 111216022 A CN111216022 A CN 111216022A
- Authority
- CN
- China
- Prior art keywords
- grinding
- shaft
- spiral
- licker
- handle
- 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.)
- Withdrawn
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B27/00—Other grinding machines or devices
- B24B27/033—Other grinding machines or devices for grinding a surface for cleaning purposes, e.g. for descaling or for grinding off flaws in the surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D79/00—Methods, machines, or devices not covered elsewhere, for working metal by removal of material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/04—Headstocks; Working-spindles; Features relating thereto
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses an oxide layer removing mechanism for welding and repairing cracks on the arc surface of a pig iron casting, which comprises a grinding shaft, wherein the grinding shaft is sequentially provided with a conical pointed end, a first shaft collar, a spiral blade, a spiral licker-in and a grinding roller, and the two shaft collars support a first handle; grinding rods are spirally distributed on the cambered surface of the spiral licker-in, one ends of the grinding rods, far away from the spiral licker-in, are spherical, and the grinding shafts are penetrated at the eccentric positions of the grinding rollers; the tail end of the grinding shaft is connected with a motor, and the motor and a second collar of the grinding shaft are fixedly connected with a second handle. The invention provides a linear polishing tool aiming at the defects that the existing polishing method wastes time and labor when the arc surface of a casting is curved and the oxide layer is not completely treated, wherein a spiral blade, a spiral licker-in and a polishing roller form a straight line which is tangent with the arc surface of the casting, has small impact force on the casting and is suitable for the thin wall or the corner; the invention has simple structure and convenient operation, greatly improves the grinding efficiency of the cambered surface of the casting and saves the time of the whole welding repair process.
Description
Technical Field
The invention relates to the technical field, in particular to an oxide layer removing mechanism for welding and repairing cracks on the arc surface of a pig iron casting.
Background
During casting, processing, transportation or use of pig iron castings, various surface defects, especially long cracks or cracks of key parts, can be caused, and the castings are easy to lose effectiveness.
The surface repair welding is one of good methods for solving the crack defects, an oxidation layer or graphite on the surface of the casting needs to be removed before repair welding, otherwise, the welding rod melt is not sticky and the repair welding fails, and the phenomenon is particularly obvious on the surface repair welding of the nodular cast iron (one type of pig iron casting).
However, the existing oxide layer removing mode adopts a manual derusting gun polishing method or a chemical reducing agent auxiliary polishing method, the polishing on a plane is labor-saving, and the manual polishing is time-consuming and labor-consuming and does not completely treat the oxide layer on the surface of a cambered surface or a complex shape, so that large-area damage is possibly caused, and the improvement is needed urgently.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides an oxide layer removing mechanism for welding and repairing cracks on the arc surface of a pig iron casting.
In order to achieve the purpose, the invention adopts the following technical scheme:
an oxide layer removing mechanism for welding and repairing cracks on the arc surface of a pig iron casting comprises a spiral blade, a spiral licker-in and a grinding roller which are sequentially arranged on a grinding shaft, wherein a conical pointed end is arranged at one end, close to the spiral blade, of the grinding shaft, a first handle is covered above the spiral blade, the first handle is of a door-shaped rod-shaped structure, two ends of the first handle are respectively provided with a first shaft collar, the two first shaft collars are sleeved on the grinding shaft, and the spiral blade is located between the two first shaft collars;
the grinding device comprises a grinding shaft, a spiral licker-in, a grinding rod, a grinding shaft, a grinding blade, a grinding head and a grinding head, wherein the spiral licker-in and the grinding roller are fixedly connected to the grinding shaft through flat keys;
one end of the grinding shaft, which is far away from the conical pointed end, is connected with a motor, the upper part of the motor shell is fixedly connected with a second handle, the second handle is also of a door-shaped rod-shaped structure, one end of the second handle, which is far away from the motor, is connected with a second shaft ring, and the second shaft ring is sleeved on the grinding shaft;
the spiral licker-in and the grinding roller are positioned between the spiral blade and the second collar;
finger grooves are formed in the upper rod sections of the first handle and the second handle.
In the practical use process, the first handle and the second handle can be parallel or non-parallel as long as the rotation of the grinding shaft is not influenced.
In the actual use process, the grinding shaft can be directly clamped by the existing electric hammer tool, so that a driving and supporting structure of a single motor and a second handle is avoided, and the structure of the oxide layer removing tool provided by the invention is further simplified.
Preferably, the conical surface of the conical tip is provided with threads, the conical tip can be used for tapping, and in the process of removing the oxidation layer, the junction of several surfaces, namely various corners, can be used for removing the oxidation layer by adopting the mode of rotating and tapping the conical tip, so that the subsequent welding liquid can be promoted to permeate into the corners.
Preferably, the edge part of the spiral blade is made of high-speed steel or hard alloy materials, the width of the edge part of the spiral blade is 1-1.35mm, and spiral tapping is performed on the casting defect part through the high-hardness spiral blade to form a spiral scratch so that the surface of the casting defect part is separated and subsequent polishing is facilitated; then, polishing by a polishing rod of the spiral licker-in, wherein the spiral distribution direction of the polishing rod is preferably opposite to the spiral direction of the spiral blade, the friction force of the polishing rod on the defect part of the casting is maximum, and an oxide layer is beaten, rubbed and crushed; and polishing by a polishing roller to finally finish the removal of the oxide layer.
In addition, the spiral blade, the spiral licker-in and the grinding roller form a straight line, when the casting is contacted, the straight line is tangent to the cambered surface of the casting, the impact force on the casting is minimum, and the grinding device is particularly suitable for grinding the thin wall or the corner.
Preferably, the grinding shaft is provided with a shaft shoulder corresponding to the first shaft collar, the grinding shaft is provided with a shaft shoulder corresponding to the second shaft collar, the first handle and the second handle are prevented from slipping, and when the grinding tool is used, the surface of a casting can be properly pressurized through the first handle and the second handle, so that the grinding depth is increased, and the bonding property of subsequent welding repair is improved.
Compared with the prior art, the invention has the beneficial effects that:
the invention provides a linear grinding tool which aims at the defects that the existing grinding method is time-consuming and labor-consuming and incomplete in oxide layer treatment when the casting is in an arc surface, and the problems that the existing grinding method is large in longitudinal impact force and easy to cause accidental damage to a thin-wall casting and the like.
The linear grinding tool provided by the invention is characterized in that the spiral blade, the spiral licker-in and the grinding roller form a straight line, when a casting is contacted, the straight line is tangent to the cambered surface of the casting, the impact force on the casting is minimum at the moment, and the linear grinding tool is particularly suitable for grinding the thin wall or the corner.
The invention has simple structure and convenient operation, greatly improves the grinding efficiency of the cambered surface of the casting and saves the time of the whole welding repair process.
Drawings
FIG. 1 is a schematic structural view of an oxide layer removing mechanism for repairing cracks on an arc surface of a pig iron casting according to the present invention;
in the figure: the grinding machine comprises a grinding shaft 1, a spiral blade 2, a spiral licker-in 3, a grinding roller 4, a conical tip 5, a first handle 6, a first shaft ring 7, a grinding rod 8, a motor 9, a second handle 10, a second shaft ring 11 and a finger groove 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1, the oxide layer removing mechanism for welding and repairing the cracks on the arc surface of the pig iron casting comprises a spiral blade 2, a spiral licker-in 3 and a grinding roller 4 which are sequentially arranged on a grinding shaft 1, wherein a conical pointed end 5 is arranged at one end of the grinding shaft 1 close to the spiral blade 2, a first handle 6 is covered above the spiral blade 2, the first handle 6 is of a door-shaped rod-shaped structure, two first shaft rings 7 are respectively arranged at two ends of the first handle 6, the two first shaft rings 7 are sleeved on the grinding shaft 1, and the spiral blade 2 is positioned between the two first shaft rings 7; the spiral blade 2 is fixedly welded on the grinding shaft 1, the spiral licker-in 3 and the grinding roller 4 are fixedly connected on the grinding shaft 1 through flat keys in a fixed sleeved mode, the spiral licker-in 3 is located outside the space of the first handle 6, grinding rods 8 are spirally distributed on the arc surface of the spiral licker-in 3, the grinding rods 8 are vertically welded on the arc surface of the spiral licker-in 3, the grinding rods 8 are solid cylinders made of hard alloy steel, one end, far away from the spiral licker-in 3, of each grinding rod 8 is in a spherical shape, and the grinding shaft 1 penetrates through the eccentric position of the grinding roller 4; one end of the grinding shaft 1, which is far away from the conical tip 5, is connected with a motor 9, the upper part of the shell of the motor 9 is fixedly connected with a second handle 10, the second handle 10 is also in a door-shaped rod-shaped structure, one end of the second handle 10, which is far away from the motor 9, is connected with a second collar 11, and the second collar 11 is sleeved on the grinding shaft 1; the spiral licker-in 3 and the sanding roller 4 are positioned between the spiral blade 2 and the second collar 11;
the upper segments of the first handle 6 and the second handle 10 are each provided with a finger groove 12.
In practical use, the first handle 6 and the second handle 10 may be parallel or non-parallel as long as the rotation of the grinding shaft 1 is not affected.
In the practical use process, the grinding shaft 1 can be directly clamped by the existing electric hammer tool, so that the driving and supporting structure of the single motor 10 and the second handle 10 is avoided, and the structure of the oxide layer removing tool provided by the invention is further simplified.
Referring to fig. 1, the tapered tip 5 is provided with threads on the tapered surface, and the tapered tip 5 may be used for tapping, and during the process of removing the oxide layer, there may be several interfaces, i.e. various corners, where the tapered tip 5 is rotated to tap to remove the oxide layer, so as to promote the penetration of the subsequent solder into these corners.
Referring to fig. 1, the edge of the spiral blade 2 is made of high-speed steel or hard alloy, the width of the edge of the spiral blade 2 is 1-1.35mm, and spiral tapping is performed on the casting defect through the high-hardness spiral blade 2 to form a spiral scratch, so that the surface of the casting defect is separated, and subsequent polishing is facilitated; then, polishing is carried out through a polishing rod 8 of the spiral licker-in 3, preferably, the spiral distribution direction of the polishing rod 8 is opposite to the spiral direction of the spiral blade 2, the friction force of the polishing rod 8 to the defect part of the casting is the largest, and an oxide layer is beaten, rubbed and crushed; and polishing by a polishing roller 4 to finally finish the removal of the oxide layer.
In addition, the spiral blade 2, the spiral licker-in 3 and the grinding roller 4 form a straight line, when the casting is contacted, the straight line is tangent to the cambered surface of the casting, the impact force on the casting is minimum, and the grinding device is particularly suitable for grinding thin walls or corners.
Referring to fig. 1, the grinding shaft 1 is provided with a shaft shoulder corresponding to the first shaft ring 7, the grinding shaft 1 is provided with a shaft shoulder corresponding to the second shaft ring 11, the first handle 6 and the second handle 10 are prevented from slipping, and when the grinding tool is used, the surface of a casting can be properly pressurized through the first handle 6 and the second handle 10, so that the grinding depth is increased, and the bonding property of subsequent welding repair is improved.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The oxide layer removing mechanism for welding and repairing the cracks on the arc surface of the pig iron casting comprises a spiral blade (2), a spiral licker-in (3) and a grinding roller (4) which are sequentially arranged on a grinding shaft (1), and is characterized in that one end, close to the spiral blade (2), of the grinding shaft (1) is provided with a conical pointed end (5), a first handle (6) is covered above the spiral blade (2), the first handle (6) is of a door-shaped rod-shaped structure, two ends of the first handle (6) are respectively provided with a first shaft collar (7), the two first shaft collars (7) are sleeved on the grinding shaft (1), and the spiral blade (2) is located between the two first shaft collars (7);
the spiral blade (2) is fixedly welded on the grinding shaft (1), the spiral licker-in (3) and the grinding roller (4) are fixedly connected on the grinding shaft (1) through flat keys in a fixed sleeved mode, the spiral licker-in (3) is located outside the space of the first handle (6), grinding rods (8) are spirally distributed on the arc surface of the spiral licker-in (3), the grinding rods (8) are perpendicularly welded on the arc surface of the spiral licker-in (3), the grinding rods (8) are solid cylinders made of hard alloy steel materials, one end, far away from the spiral licker-in (3), of each grinding rod (8) is spherical, and the grinding shaft (1) penetrates through the eccentric position of the grinding roller (4);
one end, far away from the conical pointed end (5), of the grinding shaft (1) is connected with a motor (9), the upper portion of the shell of the motor (9) is fixedly connected with a second handle (10), the second handle (10) is also of a door-shaped rod-shaped structure, one end, far away from the motor (9), of the second handle (10) is connected with a second shaft ring (11), and the second shaft ring (11) is sleeved on the grinding shaft (1);
the spiral licker-in (3) and the grinding roller (4) are positioned between the spiral blade (2) and the second collar (11);
the upper rod sections of the first handle (6) and the second handle (10) are provided with finger grooves (12).
2. The oxide layer removing mechanism for welding and repairing the cracks on the arc surface of the pig iron casting comprises a spiral blade (2), a spiral licker-in (3) and a grinding roller (4) which are sequentially arranged on a grinding shaft (1), and is characterized in that one end, close to the spiral blade (2), of the grinding shaft (1) is provided with a conical pointed end (5), a first handle (6) is covered above the spiral blade (2), the first handle (6) is of a door-shaped rod-shaped structure, two ends of the first handle (6) are respectively provided with a first shaft collar (7), the two first shaft collars (7) are sleeved on the grinding shaft (1), and the spiral blade (2) is located between the two first shaft collars (7);
the spiral blade (2) is fixedly welded on the grinding shaft (1), the spiral licker-in (3) and the grinding roller (4) are fixedly connected on the grinding shaft (1) through flat keys in a fixed sleeved mode, the spiral licker-in (3) is located outside the space of the first handle (6), grinding rods (8) are spirally distributed on the arc surface of the spiral licker-in (3), the grinding rods (8) are perpendicularly welded on the arc surface of the spiral licker-in (3), the grinding rods (8) are solid cylinders made of hard alloy steel materials, one end, far away from the spiral licker-in (3), of each grinding rod (8) is spherical, and the grinding shaft (1) penetrates through the eccentric position of the grinding roller (4);
one end, far away from the conical pointed end (5), of the grinding shaft (1) is sleeved in a three-jaw chuck of the electric hammer, and the spiral licker-in (3) and the grinding roller (4) are located between the spiral blade (2) and the electric hammer;
the upper rod section of the first handle (6) is provided with a finger groove (12).
3. The oxide layer removing mechanism for weld repairing cracks on the arc surface of a pig iron casting according to claim 1 or 2, characterized in that the conical surface of the conical tip (5) is provided with threads.
4. The oxide layer removing mechanism for welding and repairing cracks on the arc surface of a pig iron casting according to claim 1 or 2, characterized in that the edge part of the spiral blade (2) is made of high-speed steel or hard alloy material, and the width of the edge part of the spiral blade (2) is 1-1.35 mm.
5. The oxide layer removing mechanism for pig iron casting arc surface crack repair welding according to claim 1 or 2, characterized in that the grinding shaft (1) is provided with a shaft shoulder portion corresponding to the first shaft collar (7).
6. The oxide layer removing mechanism for pig iron casting arc surface crack repair welding according to claim 1, characterized in that the grinding shaft (1) is provided with a shaft shoulder portion corresponding to the second collar (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247854.9A CN111216022A (en) | 2019-12-09 | 2019-12-09 | Oxide layer removing mechanism for welding and repairing of pig iron casting arc surface cracks |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911247854.9A CN111216022A (en) | 2019-12-09 | 2019-12-09 | Oxide layer removing mechanism for welding and repairing of pig iron casting arc surface cracks |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111216022A true CN111216022A (en) | 2020-06-02 |
Family
ID=70808235
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911247854.9A Withdrawn CN111216022A (en) | 2019-12-09 | 2019-12-09 | Oxide layer removing mechanism for welding and repairing of pig iron casting arc surface cracks |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111216022A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114657824A (en) * | 2022-04-18 | 2022-06-24 | 中冶检测认证有限公司 | Device for repairing railway fastener crack |
-
2019
- 2019-12-09 CN CN201911247854.9A patent/CN111216022A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114657824A (en) * | 2022-04-18 | 2022-06-24 | 中冶检测认证有限公司 | Device for repairing railway fastener crack |
| CN114657824B (en) * | 2022-04-18 | 2023-02-03 | 中冶检测认证有限公司 | Device for repairing railway fastener crack |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109702427B (en) | Method for repairing corrosion part of original composite layer of tank body | |
| WO2007110979A1 (en) | Device and method for elid honing | |
| CN1923444A (en) | Hydraulic turbine rotary wheel palm axle head defect handling method | |
| CN103934544A (en) | Method for preventing overlaying sealing surface from cracking | |
| CN111216022A (en) | Oxide layer removing mechanism for welding and repairing of pig iron casting arc surface cracks | |
| CN101508091A (en) | Parts finishing strain-removing technique | |
| CN105855786A (en) | Method for repairing welding defects of ultra-thick-wall pipe | |
| CN105583543A (en) | Repairing method for R roots of gear spindle sleeve | |
| CN112496667A (en) | Special rod guide plate surfacing repair process | |
| CN102744551A (en) | Method for compositely repairing half buried cracks in cold working mould | |
| CN101524771A (en) | Ball end repairing cutter | |
| CN112676678A (en) | Welding repair method for circular saw blade cracks | |
| CN210789640U (en) | Electrode grinding device | |
| CN209664992U (en) | Round steel reconditioning chamfered edge burr remover | |
| CN112846456A (en) | Online welding device and welding process for fatigue cracks of large ball mill shaft neck | |
| CN101554674A (en) | Explosive welding method for martensitic stainless steel 00Cr13Ni5Mo composite steel plate | |
| CN101554675A (en) | Explosive welding method for 410S stainless steel and CrMo steel composite steel plate | |
| CN106001906A (en) | Friction stirring welding method of weld joint in step structure | |
| CN1231318C (en) | Grooved dummy head repair method | |
| CN212601054U (en) | Rust removing device for small-diameter pipeline | |
| CN214685834U (en) | Drum-type rust cleaning and slag removing machine | |
| CN212526363U (en) | Friction welding machine with welding seam surface scraping structure | |
| CN219818343U (en) | Online welding device for cracks of large ball mill cylinder | |
| CN214600551U (en) | Pretreatment device for repairing roller surface of high-pressure roller mill | |
| CN209477884U (en) | Pipeline welded seam grinding head |
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 | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20200602 |