CN211219110U - Powder feeding disc structure and gun head structure of plasma surfacing welding gun - Google Patents
Powder feeding disc structure and gun head structure of plasma surfacing welding gun Download PDFInfo
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- CN211219110U CN211219110U CN201922296314.1U CN201922296314U CN211219110U CN 211219110 U CN211219110 U CN 211219110U CN 201922296314 U CN201922296314 U CN 201922296314U CN 211219110 U CN211219110 U CN 211219110U
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Abstract
The utility model belongs to the technical field of plasma build-up welding welder technique and specifically relates to a send whitewashed dish structure and plasma build-up welding welder's rifle head structure, it includes the disk body, is provided with on the disk body and send whitewashed through-hole, and a tip that sends whitewashed through-hole is into the powder mouth, and another tip is for going out the powder mouth, and the quantity that sends the powder through-hole is 2 at least, is provided with the annular on the disk body and gathers the powder groove, and all powder mouths that enter that send the powder through-hole all set up the bottom that gathers the powder groove in the. When the plasma surfacing welding gun is used, the powder feeding disc structure is arranged in a powder feeding disc mounting groove on the gun head body, the annular powder collecting groove is attached to and connected with the side wall of the powder feeding disc mounting groove to form an annular powder collecting cavity, the powder feeding machine is conveyed into the annular powder collecting cavity along the powder feeding pipeline, when one or more powder feeding through holes are blocked, alloy powder can be sprayed to a welding position from the unblocked powder feeding through holes as long as the powder feeding through holes are not blocked, the normal use of the plasma surfacing welding gun is ensured, and the continuous operation time of the plasma surfacing welding gun is prolonged.
Description
Technical Field
The utility model belongs to the technical field of plasma build-up welding welder technique and specifically relates to a send whitewashed dish structure and plasma build-up welding welder's rifle head structure.
Background
Plasma arc is used as a heat source for plasma surfacing, alloy powder and the surface of a matrix are rapidly heated through high temperature generated by the ion arc, and are melted, mixed, diffused and solidified together, and the plasma arc is automatically cooled after leaving to form a high-performance alloy layer, so that the surface of a workpiece is strengthened and hardened.
The plasma surfacing welding gun comprises a powder feeding disc structure, the powder feeding disc structure is arranged on a gun head body, and a powder feeding machine conveys alloy powder to the powder feeding disc structure through a powder feeding pipe and then sprays the alloy powder to a welding position through a powder feeding through hole. The number of the powder feeding through holes on the existing powder feeding disc structure is usually one or 2, and the powder feeding through holes are partially or completely blocked due to welding slag splashing and other reasons in the powder spraying process, so that powder is not uniformly or completely discharged, and the use (continuous operation) and welding quality of a plasma surfacing welding gun are seriously affected.
SUMMERY OF THE UTILITY MODEL
The utility model provides a technical problem provide a powder feeding disc structure that simple structure, facilitate the use.
The utility model provides a technical scheme that its technical problem adopted is: send powder dish structure, including the disk body, be provided with on the disk body and send the powder through-hole, send a tip of powder through-hole to be into the powder mouth, another tip is for going out the powder mouth, send the quantity of powder through-hole to be 2 at least, is provided with the annular on the disk body and converges the powder groove, and the powder mouth that advances of all powder through-holes all sets up in the bottom that the annular converges the powder groove.
Furthermore, the annular powder collecting groove is in a circular ring shape, and the cross section of the annular powder collecting groove is in a semicircular arc shape.
Furthermore, the number of the powder feeding through holes is 6-8, all the powder feeding through holes are uniformly arranged on the tray body, and the powder inlets of all the powder feeding through holes are uniformly arranged at the bottom of the annular powder collecting groove.
Furthermore, the powder feeding through hole comprises a horizontal section and an inclined section which are connected together, the inclined section inclines towards the inner side, the outer end part of the horizontal section is a powder inlet, and the outer end part of the inclined section is a powder outlet.
Furthermore, all the powder outlets are circularly distributed on the tray body.
Further, a tungsten needle through hole is formed in the middle of the disc body.
Furthermore, the utility model discloses the technical problem that still remains to solve provides a plasma build-up welding welder's that simple structure, facilitate use rifle head structure.
Plasma build-up welding welder's rifle head structure, including the rifle head body, still include foretell powder feeding dish structure, be provided with on the rifle head body and send the powder dish mounting groove, the disk body matches and sets up in sending the powder dish mounting groove, and the annular powder groove that converges pastes mutually with the lateral wall that sends the powder dish mounting groove and connects together, is provided with into powder pipeline on the lateral wall of powder dish mounting groove.
The utility model has the advantages that: the powder feeding disc structure of the utility model is provided with at least 2 powder feeding through holes, the disc body is also provided with an annular powder collecting groove, and the powder inlets of all the powder feeding through holes are arranged at the bottom of the annular powder collecting groove, so that all the powder feeding through holes are communicated with the annular powder collecting groove; when the plasma surfacing welding gun is used, the powder feeding disc structure is arranged in a powder feeding disc mounting groove on the gun head body, the annular powder collecting groove is attached to and connected with the side wall of the powder feeding disc mounting groove to form an annular powder collecting cavity, the powder feeding machine is conveyed to the annular powder collecting cavity along the powder feeding pipeline, the alloy powder is sprayed to a welding position from the powder feeding through holes, when one or more powder feeding through holes are blocked, as long as the powder feeding through holes are not blocked, the alloy powder can be sprayed to the welding position from the unblocked powder feeding through holes, the normal use of the plasma surfacing welding gun is ensured, the continuous operation time of the plasma surfacing welding gun is prolonged, and the powder feeding disc structure and the gun head structure of the plasma surfacing welding gun are simple in structure, the powder discharging uniformity of the powder feeding through holes can be improved, the welding quality is ensured, and the popularization is facilitated.
Drawings
FIG. 1 is a schematic front view of the powder feeding plate of the present invention;
FIG. 2 is a side sectional view of the powder feeding plate of the present invention;
labeled as: the powder feeding device comprises a disk body 1, a powder feeding through hole 2, a powder inlet 3, a powder outlet 4, an annular powder collecting groove 5 and a tungsten needle through hole 6.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the following detailed description.
As shown in fig. 1 and 2, the utility model discloses send powder dish structure, including disk body 1, be provided with on the disk body 1 and send powder through-hole 2, send a tip of powder through-hole 2 to be into powder mouth 3, another tip is powder outlet 4, send the quantity of powder through-hole 2 to be 2 at least, be provided with the annular on the disk body 1 and converge powder groove 5, all send powder through-hole 2 to advance powder mouth 3 and all set up in the bottom that the annular converges powder groove 5 for all send powder through-holes 2 all to converge powder groove 5 with the annular and be linked together.
When the plasma surfacing welding gun is used, the powder feeding disc structure is installed in a powder feeding disc installation groove on a gun head body, the annular powder collecting groove 5 is attached to and connected with the side wall of the powder feeding disc installation groove to form an annular powder collecting cavity, the powder feeding machine is conveyed to the annular powder collecting cavity along the powder feeding pipeline, alloy powder is sprayed to a welding position from the powder feeding through holes 2, when one or more powder feeding through holes 2 are blocked, as long as the powder feeding through holes 2 are not blocked, the alloy powder can be sprayed to the welding position from the unblocked powder feeding through holes 2, the normal use of the plasma surfacing welding gun is ensured, the continuous operation time of the plasma surfacing welding gun is prolonged, and the powder feeding disc structure and the gun head structure of the plasma surfacing welding gun are simple in structure, the powder discharging uniformity of the powder feeding through holes can be improved, the welding quality is ensured, and the popularization is facilitated.
Specifically, the annular powder collecting groove 5 is attached to and connected with the side wall of the powder feeding disc mounting groove to form an annular powder collecting cavity, so that alloy powder can flow in the annular powder collecting groove 5 and can flow to the powder inlets 3 of all the powder feeding through holes 2, the annular powder collecting groove 5 is annular, and the cross section of the annular powder collecting groove is semicircular. In order to reasonably set the number of the powder feeding through holes 2 and ensure the powder feeding effect of the powder feeding through holes 2, the inventor obtains through a large number of practices and experiments that the number of the powder feeding through holes 2 is preferably 6-8, all the powder feeding through holes 2 are uniformly arranged on the tray body 1, and the powder inlets 3 of all the powder feeding through holes 2 are uniformly arranged at the bottom of the annular powder collecting groove 5.
In order to improve the welding quality, the alloy powder sprayed out from the powder outlet 4 is preferably gathered at one point, as shown in fig. 2, the powder feeding through hole 2 comprises a horizontal section and an inclined section which are connected together, the inclined section is inclined towards the inner side, the outer end part of the horizontal section is a powder inlet 3, the outer end part of the inclined section is a powder outlet 4, all the powder outlets 4 are circularly distributed on the disk body 1, and the alloy powder sprayed out from the powder outlets 4 is gathered at one point after the arrangement, so that the welding quality is ensured and improved.
In order to facilitate the arrangement of the gun head part of the whole plasma surfacing welding gun, a tungsten needle through hole 6 is further formed in the middle of the disc body 1, and a tungsten needle penetrates through the tungsten needle through hole 6.
In order to facilitate cleaning of the blocked powder feeding through holes 2, the side wall of each powder feeding through hole 2 is provided with a blowing hole and a plug head, the corresponding blowing holes are communicated with the corresponding powder feeding through holes 2, one plug head is detachably arranged in one blowing hole, when the powder feeding through holes 2 blocked by powder feeding are required to be cleaned, the corresponding plug heads are only required to be detached, and then gas with certain pressure is blown into the blowing holes.
The gun head structure of the plasma surfacing welding gun comprises a gun head body and further comprises the powder feeding disc structure, a powder feeding disc mounting groove is formed in the gun head body, the disc body 1 is arranged in the powder feeding disc mounting groove in a matched mode, the annular powder collecting groove 5 is connected with the side wall of the powder feeding disc mounting groove in a leaning and attaching mode, and a powder feeding pipeline is arranged on the side wall of the powder feeding disc mounting groove. The annular powder gathering groove 5 is connected with the side wall of the powder feeding disc mounting groove in an attached mode to form an annular powder gathering cavity, the powder feeding machine is conveyed into the annular powder gathering cavity along the powder feeding pipeline, and the alloy powder is sprayed to the welding position from the powder feeding through hole 2.
Claims (7)
1. Send powder dish structure, including disk body (1), be provided with on disk body (1) and send powder through-hole (2), send a tip of powder through-hole (2) for advancing powder mouth (3), another tip is powder outlet (4), its characterized in that: the number of the powder feeding through holes (2) is at least 2, the disc body (1) is provided with an annular powder collecting groove (5), and the powder inlets (3) of all the powder feeding through holes (2) are arranged at the bottom of the annular powder collecting groove (5).
2. The powder feeding plate structure as claimed in claim 1, wherein: the annular powder collecting groove (5) is in a ring shape, and the section of the annular powder collecting groove is in a semicircular arc shape.
3. The powder feeding plate structure as claimed in claim 1, wherein: the number of the powder feeding through holes (2) is 6-8, all the powder feeding through holes (2) are uniformly arranged on the disk body (1), and the powder inlets (3) of all the powder feeding through holes (2) are uniformly arranged at the bottom of the annular powder collecting groove (5).
4. The powder feeding tray structure according to any one of claims 1 to 3, wherein: the powder feeding through hole (2) comprises a horizontal section and an inclined section which are connected together, the inclined section inclines towards the inner side, the outer end part of the horizontal section is a powder inlet (3), and the outer end part of the inclined section is a powder outlet (4).
5. The powder feeding plate structure as claimed in claim 4, wherein: all the powder outlets (4) are circularly distributed on the tray body (1).
6. The powder feeding plate structure as claimed in claim 1, wherein: a tungsten needle through hole (6) is arranged in the middle of the tray body (1).
7. Plasma build-up welding welder's rifle head structure, including the rifle head body, its characterized in that: the powder feeding disc structure of any one of claims 1 to 6, wherein the gun head body is provided with a powder feeding disc mounting groove, the disc body (1) is arranged in the powder feeding disc mounting groove in a matching manner, the annular powder collecting groove (5) is connected with the side wall of the powder feeding disc mounting groove in an abutting manner, and the side wall of the powder feeding disc mounting groove is provided with a powder inlet pipeline.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201922296314.1U CN211219110U (en) | 2019-12-19 | 2019-12-19 | Powder feeding disc structure and gun head structure of plasma surfacing welding gun |
Applications Claiming Priority (1)
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CN201922296314.1U CN211219110U (en) | 2019-12-19 | 2019-12-19 | Powder feeding disc structure and gun head structure of plasma surfacing welding gun |
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CN211219110U true CN211219110U (en) | 2020-08-11 |
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CN201922296314.1U Active CN211219110U (en) | 2019-12-19 | 2019-12-19 | Powder feeding disc structure and gun head structure of plasma surfacing welding gun |
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2019
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