CN214558801U - H13 mould steel prosthetic devices - Google Patents
H13 mould steel prosthetic devices Download PDFInfo
- Publication number
- CN214558801U CN214558801U CN202120278738.XU CN202120278738U CN214558801U CN 214558801 U CN214558801 U CN 214558801U CN 202120278738 U CN202120278738 U CN 202120278738U CN 214558801 U CN214558801 U CN 214558801U
- Authority
- CN
- China
- Prior art keywords
- passageway
- horizontal input
- channel
- input pore
- laser
- 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.)
- Expired - Fee Related
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 39
- 239000010959 steel Substances 0.000 title claims abstract description 39
- 239000002184 metal Substances 0.000 claims abstract description 26
- 229910052751 metal Inorganic materials 0.000 claims abstract description 26
- 239000000843 powder Substances 0.000 claims abstract description 26
- 239000011148 porous material Substances 0.000 claims abstract description 24
- 239000000956 alloy Substances 0.000 claims abstract description 21
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 21
- 230000001681 protective effect Effects 0.000 claims abstract description 17
- 239000002826 coolant Substances 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000000110 cooling liquid Substances 0.000 claims description 7
- 230000008439 repair process Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 238000005096 rolling process Methods 0.000 description 19
- 239000007789 gas Substances 0.000 description 15
- 238000005253 cladding Methods 0.000 description 11
- 238000012986 modification Methods 0.000 description 6
- 230000004048 modification Effects 0.000 description 6
- 229910017060 Fe Cr Inorganic materials 0.000 description 5
- 229910002544 Fe-Cr Inorganic materials 0.000 description 5
- UPHIPHFJVNKLMR-UHFFFAOYSA-N chromium iron Chemical compound [Cr].[Fe] UPHIPHFJVNKLMR-UHFFFAOYSA-N 0.000 description 5
- 238000004372 laser cladding Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 239000013078 crystal Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 229910052750 molybdenum Inorganic materials 0.000 description 2
- 229910052759 nickel Inorganic materials 0.000 description 2
- 238000005498 polishing Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229910000604 Ferrochrome Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000005275 alloying Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229910001651 emery Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005488 sandblasting Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 238000007514 turning Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
Images
Landscapes
- Laser Beam Processing (AREA)
Abstract
The utility model relates to a H13 mould steel prosthetic devices, its characterized in that: including the metal cylinder physique and establish the laser passageway at metal cylinder physique central part, the periphery that lies in laser passageway on the metal cylinder physique is coaxial to be equipped with alloy powder passageway, protective gas passageway and coolant liquid passageway, the alloy powder passageway includes first horizontal input pore and encloses the passageway with the first side that is the fan-shaped of cone of first horizontal input pore intercommunication, the protective gas passageway includes second horizontal input pore and encloses the passageway with the second side that is the fan-shaped of cone of second horizontal input pore intercommunication, the first conveyer pipe that is used for carrying the alloy powder is connected to the port in first horizontal input pore, the second conveyer pipe that is used for carrying protective gas is connected to the port in second horizontal input pore. The utility model discloses H13 mould steel prosthetic devices manufacturing procedure is simple, with low costs.
Description
The technical field is as follows:
the utility model relates to a metal surface engineering technical field especially relates to H13 mould steel prosthetic devices.
Background art:
h13 steel (4 CrSMoSiV 1) is widely used hot work die steel, and the surface of a cavity of an H13 die needs to be in contact with high-temperature metal during working and is frequently cooled and heated, so that the H13 die steel fails; therefore, the surface of the H13 die steel is required to have higher thermal fatigue performance, thermal stability, frictional wear resistance, fatigue performance and corrosion resistance; because the failure of the die is usually from the surface, how to repair the failed H13 die steel, improve the corrosion resistance and the frictional wear resistance of the failed area of the H13 die steel, and prolong the service life of the H13 die steel becomes one of the main problems related to the continuity, the reliability and the safety of the production and operation of the related die industries.
At present, no equipment for repairing the H13 mold exists, or the existing individual equipment has a complex structure and is difficult to manufacture.
The invention content is as follows:
the utility model discloses make the improvement to the problem that above-mentioned prior art exists, provide a H13 mould steel prosthetic devices, this H13 mould steel prosthetic devices is favorable to carrying out high quality quick restoration to H13 mould steel to reasonable in design, preparation convenience, with low costs.
The utility model discloses H13 mould steel prosthetic devices, its characterized in that: including the metal cylinder physique and establish the laser passageway at metal cylinder physique central part, the periphery that lies in laser passageway on the metal cylinder physique is coaxial to be equipped with alloy powder passageway, protective gas passageway and coolant liquid passageway, the alloy powder passageway includes first horizontal input pore and encloses the passageway with the first side that is the fan-shaped of cone of first horizontal input pore intercommunication, the protective gas passageway includes second horizontal input pore and encloses the passageway with the second side that is the fan-shaped of cone of second horizontal input pore intercommunication, the first conveyer pipe that is used for carrying the alloy powder is connected to the port in first horizontal input pore, the second conveyer pipe that is used for carrying protective gas is connected to the port in second horizontal input pore.
Furthermore, the cooling liquid channel is a circular ring-shaped channel arranged in the lower part of the metal cylindrical body, the lower part of the circular ring-shaped channel is blocked by a circular ring, and the side part of the circular ring-shaped channel is provided with a water inlet and a water outlet.
Furthermore, the laser channel comprises an upper cylindrical channel and a lower conical channel, and a convex lens is arranged at the joint of the lower conical channel and the upper cylindrical channel.
The utility model discloses H13 mould steel prosthetic devices's processing method only needs to go out laser channel through lathe work earlier on a metal cylinder body, then goes out alloy powder passageway, protective gas passageway and coolant liquid passageway through CNC milling process, at last with the internal ring shape channel in annular ring shutoff metal cylinder body lower part in order to form the coolant liquid passageway, and manufacturing procedure is simple, with low costs.
Description of the drawings:
FIG. 1 is a schematic illustration of a H13 die steel repair remanufacturing process;
FIG. 2 is a schematic diagram illustrating the principle of preparing a Fe-Cr-based cladding layer in a region to be repaired of H13 die steel;
FIG. 3 is a schematic view of an integral CBN tool for machining a cladding layer;
FIG. 4 is a schematic view of a H13 die steel cladding layer strengthened by ultrasonic rolling technique;
FIGS. 5a and 5b are XRD diffraction patterns before and after ultrasonic rolling of H13 cladding layer;
FIGS. 6a, 6b, and 6c are graphs comparing the ultrasonic rolling of the cladding layer with the traditional rolling and polishing enhancement effect;
FIG. 7 is a cross-sectional view of an H13 die steel repair device;
FIG. 8 is a bottom view of FIG. 7;
1-cooling liquid; 2-a laser beam; 3-an alloy powder channel; 4-a shielding gas channel; 5-melting the alloy powder; 6-H13 die steel substrate; 7-laser cladding layer; l-12 mm; phi i.c-12.7 mm; s-4.76 mm; r-0.12 mm; 8-a digital ultrasonic generator; 9-static pressure; 10-a transducer; 11-a horn; 12-rolling direction.
The specific implementation mode is as follows:
the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
in the embodiment of the utility model, the material is H13 die steel, and the main alloying element content is: c: 0.393%, Mn 0.41%, Si: 1.05%, S: 0.003%, P: 0.013%, Ni: 0.16%, Cr: 5.29%, V: 0.98%, Mo: 1.31%, Cu: 0.09% and the balance of Fe, and obvious thermal fatigue crack and abrasion can be seen on the surface.
The specific implementation steps are as follows:
p1, pretreating the surface to be repaired of H13 die steel, removing rust on the surface of H13 die steel, carrying out sand blasting and coarsening on the surface to be repaired of the H13 die steel by using No. 46 black steel emery, and cleaning oil stains on the surface to be repaired of the H13 die steel by using absolute ethyl alcohol;
p2, preparing Fe-Cr-based laser cladding alloy powder; the Fe-Cr alloy powder comprises the following components in percentage by mass: c: 0.15%, Cr 17-20%, Mo: 0.5%, Ni 1-4%, P: 0.013%, S: 0.005 percent and the balance of Fe, wherein the sum of the mass of the components is 100 percent. The apparent density is 3.65g/cm3, the fluidity is 22.3s/50g, the particle size distribution is less than 55 μm accounting for 1.5%, 55-70 μm accounting for 17.5%, 70-105 μm accounting for 43.5%, 105-150 μm accounting for 32.8%, and 150-210 μm accounting for 4.7%. And drying the Fe-Cr-based alloy powder for later use.
P3, additive manufacturing: preparing a Fe-Cr-based cladding layer in an area to be repaired of H13 die steel; the laser cladding layer is prepared by adopting a synchronous powder feeding mode, the laser generator adopts a fiber laser, a laser cladding head is aligned to the H13 die steel to-be-repaired starting point, the focusing distance of the laser beam is adjusted, and the defocusing amount is 14 mm. The powder feeding speed is 26g/min, the laser output power is 1100W, the laser wavelength is 1064nm, the scanning speed is 5mm/s, nitrogen is used as powder feeding gas and protective gas to reduce the reaction of partial gas in the air and a laser melting pool, the powder feeding pressure is 0.1MPa, the gas carrying capacity is 12L/min, the overlapping rate is 40-55%, and the dilution rate is controlled to be 3-10%. And after cladding, closing the laser, closing the powder feeder, closing the protective gas, closing the cooling system, and cooling the sample piece to room temperature.
P4, iso-manufacturing: the H13 die steel cladding layer is finished and strengthened by an ultrasonic rolling technology, the ultrasonic frequency of ultrasonic rolling processing is 30kHz, the rolling reduction is 0.1mm, the rolling speed is 2100mm/min, the rolling frequency is 1-3 times, the static pressure is 0.55Mpa, and cooling liquid is started during rolling processing. And after the rolling is finished, closing the ultrasonic rolling head control switch, and taking down the rolled sample.
The utility model discloses a H13 mould steel prosthetic devices includes metal cylinder A1 and establishes the laser passageway A2 at metal cylinder central part, the last periphery that lies in the laser passageway of metal cylinder is coaxial to be equipped with alloy powder passageway 3, protective gas passageway 4 and coolant liquid passageway 1, alloy powder passageway 3 includes first horizontal input pore 301 (this first horizontal input pore 301 is the round hole way, has two of symmetry) and the fan-shaped first side that is connected with first horizontal input pore 302 encloses the passageway 302 (first side encloses the passageway 302 and link up to the bottom surface of metal cylinder A1), protective gas passageway 4 includes second horizontal input pore 401 (this second horizontal input pore 401 is the round hole way, has two of symmetry) and the fan-shaped second side that is connected with second horizontal input pore 402 (second side encloses the passageway 402 and link up to the bottom surface of metal cylinder A1), the first horizontal input hole is connected with a first conveying pipe 303 for conveying alloy powder at the end, and the second horizontal input hole is connected with a second conveying pipe 403 for conveying protective gas at the end.
The circumferential angle of the first and second side channels 302, 402 on the bottom surface of the metal cylinder a1 may be 30-120 degrees.
Further, the cooling liquid channel 1 is a circular ring-shaped channel arranged in the lower part of the metal cylindrical body, the lower part of the circular ring-shaped channel is blocked by a circular ring 101, and the side part of the circular ring-shaped channel is provided with a water inlet 102 and a water outlet 103.
Further, the laser channel A2 includes an upper cylindrical channel a201 and a lower tapered channel a202, and a convex lens a203 is disposed at a position where the lower tapered channel is connected to the upper cylindrical channel.
The repair device for H13 die steel is processed only by machining a laser channel A2 on a metal cylindrical body A1 through a turning pin, then machining an alloy powder channel 3, a protective gas channel 4 and a cooling liquid channel 1 through CNC milling, and finally plugging a circular ring channel in the lower part of the metal cylindrical body by using an annular ring 101 to form the cooling liquid channel 1.
During operation, laser is emitted from the upper cylindrical passage A201, refracted and focused on the surface of the H13 die to be repaired through the convex lens A203, alloy powder enters the first horizontal input duct 301 and the first side surrounding passage 302 through the first conveying pipe 303 and then overflows from the bottom surface of the metal cylindrical body A1, protective gas enters the second horizontal input duct 401 and the second side surrounding passage 402 through the second conveying pipe 403 and then overflows from the bottom surface of the metal cylindrical body A1, and the alloy powder is fused and attached to the surface to be repaired of the H13 die steel under the action of the laser.
Repairing and remanufacturing the surface to be repaired of the H13 die steel according to the method, wherein the detection result of the repairing is as follows:
FIGS. 5a and 5b are XRD diffraction patterns before and after ultrasonic rolling of H13 cladding layer; the position of an XRD diffraction peak is not obviously changed, a new phase is not generated after surface laser cladding and ultrasonic rolling, and the intensity of the (110) crystal face of the cladding layer is obviously enhanced because FeCr is a body-centered cubic structure and the (110) crystal face is the closest arrangement face; the presence of grain refinement and residual stress broadens the Bragg diffraction peaks of the diffraction peaks before and after the cladding layer is rolled.
Fig. 6a, 6b, and 6c are comparative graphs of the ultrasonic rolling and the traditional rolling polishing strengthening effect, and it can be known that the surface roughness, hardness, and residual stress obtained by the ultrasonic rolling are superior to those of the traditional rolling.
While the preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the appended claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the invention.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.
Claims (3)
1. The utility model provides a H13 mould steel prosthetic devices which characterized in that: including the metal cylinder physique and establish the laser passageway at metal cylinder physique central part, the periphery that lies in laser passageway on the metal cylinder physique is coaxial to be equipped with alloy powder passageway, protective gas passageway and coolant liquid passageway, the alloy powder passageway includes first horizontal input pore and encloses the passageway with the first side that is the fan-shaped of cone of first horizontal input pore intercommunication, the protective gas passageway includes second horizontal input pore and encloses the passageway with the second side that is the fan-shaped of cone of second horizontal input pore intercommunication, the first conveyer pipe that is used for carrying the alloy powder is connected to the port in first horizontal input pore, the second conveyer pipe that is used for carrying protective gas is connected to the port in second horizontal input pore.
2. The H13 die steel repair device of claim 1, wherein: the cooling liquid channel is a circular ring-shaped channel arranged in the lower part of the metal cylindrical body, the lower part of the circular ring-shaped channel is blocked by a circular ring, and the side part of the circular ring-shaped channel is provided with a water inlet and a water outlet.
3. The H13 die steel repair device of claim 1 or 2, wherein: the laser channel comprises an upper cylindrical channel and a lower conical channel, and a convex lens is arranged at the joint of the lower conical channel and the upper cylindrical channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120278738.XU CN214558801U (en) | 2021-02-01 | 2021-02-01 | H13 mould steel prosthetic devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120278738.XU CN214558801U (en) | 2021-02-01 | 2021-02-01 | H13 mould steel prosthetic devices |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214558801U true CN214558801U (en) | 2021-11-02 |
Family
ID=78349109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120278738.XU Expired - Fee Related CN214558801U (en) | 2021-02-01 | 2021-02-01 | H13 mould steel prosthetic devices |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214558801U (en) |
-
2021
- 2021-02-01 CN CN202120278738.XU patent/CN214558801U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN112795918A (en) | H13 die steel repairing and remanufacturing method and device | |
| CN110273155A (en) | A kind of laser cladding reconstructing technique | |
| CN105177569A (en) | Laser repairing method for ductile iron surface | |
| CN102658417B (en) | Welding repair technology of casting defect of high-chromium cast iron | |
| CN104625650A (en) | Manufacturing technology for runner of impulse turbine | |
| CN104827188A (en) | Laser repairing method for flaring die | |
| CN111218684B (en) | Method for preparing high-melting-point coating through laser-assisted ultrahigh-speed laser cladding | |
| CN105088223A (en) | Laser repair method of bending die | |
| CN109207991B (en) | Shaft sleeve repairing process | |
| CN110039263A (en) | A kind of person of outstanding talent for ultrahigh speed laser cladding layer gram is capable of processing technique | |
| CN108165987A (en) | A kind of prosthetic device and restorative procedure of machine tool chief axis endoporus | |
| CN211199407U (en) | Metal matrix surface coating structure and forming device | |
| CN214558801U (en) | H13 mould steel prosthetic devices | |
| CN107116338B (en) | A kind of method for laser compound treating of sealing surface | |
| KR102243604B1 (en) | Manufacturing method of seamless integrated condensate pot | |
| CN109536945A (en) | A method of repairing generator rotor shaft neck | |
| CN111850547B (en) | Multi-shaft ultra-high-speed laser cladding spray head | |
| WO2022222590A1 (en) | Additive manufacturing process, additive layer, additive product, and composite laser | |
| CN115044900A (en) | Remanufacturing process for diesel engine camshaft of mining heavy-duty vehicle | |
| Yang et al. | Study on overlap rate and machinability of selected laser melting of maraging steel | |
| CN115070061A (en) | Laser repairing method for undercarriage cracks | |
| CN212476887U (en) | Detachable multi-shaft ultrahigh-speed laser cladding nozzle | |
| CN107385432A (en) | A kind of cylinder part surface prepares the laser cladding method of Co-based alloy coating | |
| CN110284136B (en) | Laser remanufacturing processing method for automobile stamping die | |
| CN112981389A (en) | Laser repair method for propeller shaft |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |