CN111940718B - Non ferrous metal powder high heat preservation sintering device - Google Patents
Non ferrous metal powder high heat preservation sintering device Download PDFInfo
- Publication number
- CN111940718B CN111940718B CN202010729308.5A CN202010729308A CN111940718B CN 111940718 B CN111940718 B CN 111940718B CN 202010729308 A CN202010729308 A CN 202010729308A CN 111940718 B CN111940718 B CN 111940718B
- Authority
- CN
- China
- Prior art keywords
- sintering
- metal powder
- ferrous metal
- cavity
- box body
- 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.)
- Active
Links
- 238000005245 sintering Methods 0.000 title claims abstract description 144
- 239000000843 powder Substances 0.000 title claims abstract description 71
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 65
- 239000002184 metal Substances 0.000 title claims abstract description 65
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 238000004321 preservation Methods 0.000 title claims abstract description 29
- 239000007789 gas Substances 0.000 claims description 36
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 16
- 238000001816 cooling Methods 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 14
- 239000010949 copper Substances 0.000 claims description 14
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 238000005192 partition Methods 0.000 claims description 8
- 239000011261 inert gas Substances 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 7
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 6
- 238000002347 injection Methods 0.000 claims description 5
- 239000007924 injection Substances 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000003860 storage Methods 0.000 claims description 4
- 229910052786 argon Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000000137 annealing Methods 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 6
- 150000001875 compounds Chemical class 0.000 description 6
- 150000002739 metals Chemical class 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000000889 atomisation Methods 0.000 description 3
- 239000002826 coolant Substances 0.000 description 3
- 229910052742 iron Inorganic materials 0.000 description 3
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 229910052804 chromium Inorganic materials 0.000 description 2
- 239000011651 chromium Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910052748 manganese Inorganic materials 0.000 description 2
- 239000011572 manganese Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 229910021652 non-ferrous alloy Inorganic materials 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 229910052770 Uranium Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 229910052746 lanthanum Inorganic materials 0.000 description 1
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 description 1
- 239000011133 lead Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910000510 noble metal Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 1
- 229910052721 tungsten Inorganic materials 0.000 description 1
- 239000010937 tungsten Substances 0.000 description 1
- DNYWZCXLKNTFFI-UHFFFAOYSA-N uranium Chemical compound [U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U][U] DNYWZCXLKNTFFI-UHFFFAOYSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/14—Treatment of metallic powder
- B22F1/142—Thermal or thermo-mechanical treatment
Landscapes
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Furnace Details (AREA)
- Powder Metallurgy (AREA)
Abstract
The invention relates to the technical field of metal powder preparation, and provides a non-ferrous metal powder high-heat-preservation sintering device, aiming at solving the problems that the existing non-ferrous metal powder sintering device cannot ensure the heat preservation effect during sintering, and simultaneously the single sintering amount of non-ferrous metal powder is small, the energy consumption is large, and the sintering efficiency is low; the sintering mechanism comprises a plurality of upper dies which are arranged in parallel from top to bottom. The invention is especially suitable for the annealing and sintering of nonferrous metal powder, and has higher social use value and application prospect.
Description
Technical Field
The invention relates to the technical field of metal powder preparation, in particular to a high-heat-preservation sintering device for non-ferrous metal powder.
Background
Nonferrous metals in the narrow sense, also called nonferrous metals, are the general names of all metals except iron, manganese and chromium. Non-ferrous metals in the broad sense also include non-ferrous alloys. Non-ferrous alloys are alloys based on a non-ferrous metal (usually greater than 50%) with the addition of one or more other elements. Non-ferrous metals generally refer to all metals except iron (and sometimes manganese and chromium) and iron-based alloys. It is divided into heavy metals (such as copper, lead and zinc), light metals (such as aluminum and magnesium), noble metals (such as gold, silver and platinum) and rare metals (such as tungsten, molybdenum, germanium, lithium, lanthanum and uranium).
The preparation of non-ferrous metal powder mainly includes two methods of electrolysis and atomization. Although the purity of the copper powder produced by the electrolytic method is higher, the production energy consumption is high, so that the cost is high, and the environmental pollution is serious; the atomization method has the advantages of low cost and little pollution, and can produce copper powder with low apparent density. The atomization method mostly refers to a water mist method, powder particles in the water mist method are mostly irregular in shape, the oxygen content is high (higher than 600 multiplied by 10), heat-preservation annealing sintering treatment is needed, the heat-preservation effect of sintering cannot be guaranteed in the existing non-ferrous metal powder sintering device, the sintered non-ferrous metal powder is high in impurity content, and meanwhile, when the non-ferrous metal powder is sintered, the single application amount is small, the energy consumption is high, and the sintering efficiency is low.
Therefore, a high-heat-preservation sintering device for non-ferrous metal powder is provided. .
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a non-ferrous metal powder high-heat-preservation sintering device, which overcomes the defects of the prior art, has reasonable design and compact structure and aims to solve the problems that the existing non-ferrous metal powder sintering device cannot ensure the heat preservation effect during sintering, the sintered non-ferrous metal powder has more impurities, and simultaneously, the single application amount is small, the energy consumption is large and the sintering efficiency is low during non-ferrous metal powder sintering.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme:
a high-heat-preservation sintering device for non-ferrous metal powder comprises a sintering box body and a box door arranged on the front side of the sintering box body, wherein a partition plate is vertically arranged in the sintering box body and divides an inner cavity of the sintering box body into a sintering cavity positioned on the front side and a gas cavity positioned on the rear side;
sintering mechanism includes a plurality of top-down parallel arrangement's last mould, go up mould horizontal installation on the inner wall in sintering chamber, and the upper end of going up the mould is equipped with hot plate I, the below of going up the mould is equipped with the end mould with last mould parallel arrangement, the die block chamber that is used for the powder to hold is offered to the upper end of end mould, and be equipped with hot plate II on the interior diapire in die block chamber, die block utensil anterior symmetry rigid coupling in opposite sides has spacing copper billet, and spacing copper billet slidable mounting is in the arc spout of offering on sintering intracavity wall, die block utensil opposite sides rear portion symmetry rotation in opposite sides is connected with the connecting rod, and the fixed cover of the other end of two connecting rods is established in same drive shaft, the drive shaft rotates and installs on the inner wall in sintering chamber, the fixed cover in the drive shaft is equipped with driven sprocket, and a plurality of driven sprocket passes through same chain drive and connects, and the upper end of chain runs through the roof in sintering chamber, The inner cavity extending to the protective shell is connected with a driving chain wheel in a transmission mode, the protective shell is installed on the top wall of the sintering box body in a penetrating mode, the driving chain wheel is fixedly installed on the output end of the servo motor, and the servo motor is installed on the top wall of the sintering box body through a support.
Preferably, the cooling mechanism comprises a gas pipe which is inserted on the top wall of the gas cavity in a penetrating way, the other end of the gas pipe is connected with a gas medium tank in a penetrating way, and a control valve is arranged on the gas pipe; the cooling mechanism further comprises a plurality of air inlet pipes which are inserted in the partition plates in a penetrating mode, one ends of the air inlet pipes extend into the sintering cavity and are connected with U-shaped air outlet pipes in a penetrating mode, the U-shaped air outlet pipes are arranged on the inner wall of the sintering cavity corresponding to the die assembly positions of the upper die and the bottom die, and a plurality of air injection holes are formed in the inner wall of each U-shaped air outlet pipe.
Preferably, the downside of sintering box is equipped with the powder vibration mechanism that is used for powder evenly distributed in the sintering box, and powder vibration mechanism is including installing the bottom plate on sintering box diapire, and the bottom plate is inserted and is established in the inner chamber of base box, and the diapire edge mounting of bottom plate is connected with the inner diapire wall of base box through a plurality of supporting spring, and the inner diapire vertical installation of base box has a plurality of support cylinders, and the flexible end of support cylinder is last to install the supporting shoe, and the supporting shoe is inconsistent with the diapire of bottom plate, and two vibrating motor are installed to the symmetry on the diapire of bottom plate.
Preferably, it is a plurality of fumarole equidistance parallel arrangement, and the aperture of fumarole is 3~6 millimeters.
Preferably, a contact block which is connected with the limiting copper block in an abutting mode in a die closing state is installed in the arc-shaped sliding groove.
Preferably, a pressure sensor is installed on the inner top wall of the sintering cavity, and a pressure valve is installed on the top wall of the sintering box body corresponding to the position of the sintering cavity.
Preferably, the storage medium in the gas medium tank is inert gas, and the inert gas is argon or xenon.
Preferably, a control panel is installed on the box door, a display screen and a control button are arranged on the control panel, and a PLC is arranged in the control panel.
(III) advantageous effects
The embodiment of the invention provides a high-heat-preservation sintering device for non-ferrous metal powder, which has the following beneficial effects:
1. through going up the mould in the sintering mechanism, hot plate I, end mould, the setting of hot plate II, servo motor starts, combine a plurality of driven sprocket, chain and drive sprocket's drive mechanism, drive two connecting rod anticlockwise rotations on the drive shaft, the slip of spacing copper billet in the arc spout of cooperation, and then drive the die block mould and move to the back top, accomplish the compound die with last mould cooperation, hot plate I and hot plate II synchronous start, carry out balanced heat preservation formula sintering to non ferrous metal powder, effectual assurance sintering quality.
2. Through sintering mechanism and cooling body's integrated configuration, non ferrous metal powder constructs the sintering back through the sintering machine, the temperature in the sintering intracavity is kept to cooperation hot plate I and hot plate II, open the control valve afterwards, the medium gas in the gas medium jar passes through the intake pipe and gets into by the sintering intracavity of evacuation, the setting of mould and die block mould compound die position is gone up in the correspondence to cooperation U-shaped outlet duct, from a plurality of fumaroles blowout cooling medium gas, keep non ferrous metal powder heat preservation sintering continuously to cool down under inert environment, when preventing the oxidation, improve the quality after the non ferrous metal powder sintering.
3. Through the integrated configuration of powder vibration mechanism and sintering mechanism, pour into the non ferrous metal powder that needs the preparation in proper order in the die block intracavity, accomplish the compound die afterwards after, the supporting shoe is down, and supporting spring plays the supporting role this moment, coordinates two vibrating motor's synchronous start, and the non ferrous metal powder in the die block intracavity is evenly arranged under the vibration after a plurality of compound dies, has guaranteed non ferrous metal powder's thermally equivalent, heat preservation and subsequent even cooling, improves sintering quality.
4. Through the setting of evacuation machine, guarantee the vacuum environment of sintering box inner chamber, prevent that the impurity in oxidation and the air from influencing the sintering quality, combine storage medium in the gas medium jar to be inert gas, when guaranteeing to last at the uniform velocity cooling of non ferrous metal powder sintering, prevent the oxidation of the non ferrous metal powder of sintering, improve the quality after the non ferrous metal powder sintering.
Drawings
The above features, technical features, advantages and implementation manners of the high-temperature-keeping sintering device for nonferrous metal powder will be further described in the following detailed description of preferred embodiments in a clearly understandable manner with reference to the accompanying drawings.
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a side view of the structure in a clamped state according to the present invention;
FIG. 3 is a side view of the structure in the open state of the present invention;
FIG. 4 is a schematic view of the combined structure of the inlet pipe and the U-shaped outlet pipe according to the present invention;
FIG. 5 is a schematic structural view of a bottom mold of the present invention;
FIG. 6 is an enlarged view of the structure A of FIG. 3 according to the present invention;
FIG. 7 is an enlarged view of the structure B in FIG. 3 according to the present invention.
In the figure: the sintering box body 1, the box door 2, the powder vibration mechanism 3, the bottom plate 31, the base box 32, the supporting block 33, the supporting cylinder 34, the supporting spring 35, the vibration motor 36, the partition plate 4, the sintering mechanism 5, the upper die 51, the heating plate I52, the bottom die 53, the bottom die cavity 531, the heating plate II 532, the limiting copper block 54, the arc-shaped chute 55, the contact block 551, the connecting rod 56, the driving shaft 57, the driven sprocket 58, the chain 59, the driving sprocket 510, the protective shell 511, the servo motor 512, the cooling mechanism 6, the gas medium tank 61, the gas pipe 62, the control valve 63, the gas pipe 64, the U-shaped gas outlet pipe 65, the gas injection hole 66, the temperature sensor 7, the pressure sensor 8, the vacuum extractor 9, the pressure valve 10 and the control panel 11.
Detailed Description
The invention will be further illustrated with reference to the following figures 1 to 7 and examples:
example 1
A high heat preservation sintering device for non-ferrous metal powder comprises a sintering box body 1 and a box door 2 arranged on the front side of the sintering box body 1, wherein a partition plate 4 is vertically arranged in the sintering box body 1, the partition plate 4 divides an inner cavity of the sintering box body 1 into a sintering cavity on the front side and a gas cavity on the rear side, a sintering mechanism 5 and a cooling mechanism 6 are arranged in the inner cavity of the sintering cavity and used for high heat preservation sintering of non-ferrous metal powder, a temperature sensor 7 is installed on the inner top wall of the sintering cavity and used for monitoring the sintering temperature in the sintering cavity in real time, a vacuumizing machine 9 is installed on the top wall of the sintering box body 1, and a suction end of the vacuumizing machine 9 extends into the sintering cavity, so that the vacuum environment of the inner cavity of the sintering box body 1 is ensured, and oxidation and impurities in the air are prevented from influencing the sintering quality;
in this embodiment, as shown in fig. 2, 3, 5 and 6, the sintering mechanism 5 includes a plurality of upper molds 51 arranged in parallel from top to bottom, the upper molds 51 are horizontally installed on an inner wall of the sintering chamber, a heating plate i 52 is disposed at an upper end of the upper molds 51, a bottom mold 53 disposed in parallel with the upper molds 51 is disposed below the upper molds 51, a bottom mold chamber 531 for containing powder is disposed at an upper end of the bottom mold 53, a heating plate ii 532 is disposed on an inner bottom wall of the bottom mold chamber 531, limiting copper blocks 54 are symmetrically and fixedly connected to front portions of two opposite sides of the bottom mold 53, the limiting copper blocks 54 are slidably installed in an arc-shaped chute 55 disposed on the inner wall of the sintering chamber, connecting rods 56 are symmetrically and rotatably connected to rear portions of two opposite sides of the bottom mold 53, the other ends of the two connecting rods 56 are fixedly sleeved on a same driving shaft 57, the driving shaft 57 is rotatably installed on the inner wall of the sintering chamber, a driven sprocket 58 is fixedly sleeved on the driving shaft 57, the plurality of driven sprockets 58 are in transmission connection through the same chain 59, the upper end of the chain 59 penetrates through the top wall of the sintering cavity, extends to the inner cavity of the protective shell 511 and is in transmission connection with a driving sprocket 510, the protective shell 511 is installed on the top wall of the sintering box body 1 in a penetrating mode, the driving sprocket 510 is fixedly installed at the output end of the servo motor 512, and the servo motor 512 is installed on the top wall of the sintering box body 1 through a support;
in this embodiment, when the die sinking state, through the chamber door 2 of opening, the non ferrous metal powder that needs the preparation is poured into in proper order into die cavity 531, close chamber door 2 afterwards, evacuation machine 9 starts, to the evacuation of sintering box 1 inner chamber, start servo motor 512, combine a plurality of driven sprocket 58, the drive mechanism of chain 59 and driving sprocket 510, drive driven sprocket 58 anticlockwise rotation, thereby drive two connecting rod 56 anticlockwise rotations on the drive shaft 57, the slip of spacing copper billet 54 in arc spout 55 is coordinated, and then drive end mould 53 upwards backward motion, accomplish the compound die with the cooperation of last mould 51, hot plate I52 and hot plate II 532 synchronous start this moment, carry out balanced heat preservation formula sintering to the non ferrous metal powder, effectual assurance sintering quality.
In this embodiment, as shown in fig. 2-4 and 6, the cooling mechanism 6 includes a gas pipe 62 inserted through the top wall of the gas cavity, the other end of the gas pipe 62 is connected with a gas medium tank 61 through, and a control valve 63 is installed on the gas pipe 62; the cooling mechanism also comprises a plurality of air inlet pipes 64 which are inserted on the partition plate 4 in a penetrating way, one end of each air inlet pipe 64 extends into the sintering cavity and is connected with a U-shaped air outlet pipe 65 in a penetrating way, the U-shaped air outlet pipe 65 is arranged on the inner wall of the sintering cavity corresponding to the mold closing position of the upper mold 51 and the bottom mold 53, a plurality of air injection holes 66 are arranged on the inner wall of the U-shaped air outlet pipe 65, when the non-ferrous metal powder reaches a certain temperature in the sintering cavity, the temperature in the sintering cavity is kept by matching with the heating plate I52 and the heating plate II 532, then the control valve 63 is opened, the medium gas in the gas medium tank 61 enters the vacuumized sintering cavity through the air inlet pipe 64, the cooling medium gas is sprayed from the plurality of air injection holes 66 by matching with the arrangement of the mold closing position of the upper mold 51 and the bottom mold 53, the heat preservation and sintering of the non-ferrous metal powder are kept to be continuously cooled in an inert environment, and oxidation is prevented, the quality of the sintered nonferrous metal powder is improved.
In this embodiment, as shown in fig. 4, a plurality of the gas orifices 66 are equidistantly and parallelly arranged, and the aperture of the gas orifices 66 is 3-6 mm, so that the cooling medium gas can be effectively guaranteed to uniformly reach the die assembly part, and the continuous uniform cooling of the sintering of the non-ferrous metal powder can be guaranteed.
In this embodiment, as shown in fig. 1 to 3, a contact block 551 abutting and connected to the limiting copper block 54 in a mold closing state is installed in the arc chute 55, the contact block 551, the limiting copper block 54, the heating plate i 52 and the heating plate ii 532 form a series circuit through a conducting wire, after mold closing, the heating plate i 52 and the heating plate ii are in circuit communication, and in cooperation with control of the control panel 11, a high heat preservation state of mold closing is effectively ensured during sintering of non-ferrous metal powder.
In this embodiment, as shown in fig. 2 and 3, a pressure sensor 8 is installed on the inner top wall of the sintering chamber, a pressure valve 10 is installed on the top wall of the sintering chamber 1 corresponding to the position of the sintering chamber, and the pressure sensor 8 cooperates with the pressure valve 10 to effectively coordinate the pressure in the sintering chamber during sintering, so as to realize sintering under safe and stable atmospheric pressure.
In this embodiment, the storage medium in the gas medium tank 61 is inert gas, and the inert gas is argon or xenon, so that the sintered nonferrous metal powder is prevented from being oxidized while the sintering of the nonferrous metal powder is continuously cooled at a constant speed, and the sintered quality of the nonferrous metal powder is improved.
In this embodiment, as shown in fig. 1, a control panel 11 is installed on the box door 2, a display screen and a control button are installed on the control panel 11, and a PLC controller is installed in the control panel 11, in this embodiment, the model of the PLC controller is siemens S7-300, and the control panel 11 is connected with a servo motor 512, a control valve 63, a temperature sensor 7, a pressure sensor 8, a vacuum pump 9 and a pressure valve 10 through an electrical control line;
the processing personnel effectively controls the complete sintering process of firstly putting non-ferrous metal powder into the sintering process, namely vacuumizing, closing die sintering, medium cooling and opening die by controlling a control button on the control panel 11 and combining a PLC (programmable logic controller), so that the high-heat-preservation sintering of the non-ferrous metal powder is ensured, and the sintering quality of the non-ferrous metal powder is improved.
Example 2
The difference between this embodiment and embodiment 1 is that, as shown in fig. 2 and 3, a powder vibrating mechanism 3 for uniformly distributing powder in the sintering box 1 is disposed on the lower side of the sintering box 1, the powder vibrating mechanism 3 includes a bottom plate 31 mounted on the bottom wall of the sintering box 1, the bottom plate 31 is inserted into the inner cavity of a base box 32, the edge of the bottom wall of the bottom plate 31 is connected to the inner bottom wall of the base box 32 through a plurality of supporting springs 35, a plurality of supporting cylinders 34 are vertically mounted on the inner bottom wall of the base box 32, supporting blocks 33 are mounted on the telescopic ends of the supporting cylinders 34, the supporting blocks 33 are in contact with the bottom wall of the bottom plate 31, two vibrating motors 36 are symmetrically mounted on the bottom wall of the bottom plate 31, non-ferrous metal powder to be prepared is sequentially injected into a bottom die cavity 531, after die assembly is completed, the supporting cylinders 34 are started to drive the supporting blocks 33 to move downward, at this time, the supporting springs 35 play a supporting role, the cooperation two vibrating motor 36's synchronous start, the non ferrous metal powder in the die block chamber 531 evenly arranges under the vibration behind the compound die, has guaranteed non ferrous metal powder's thermally equivalent, heat preservation and subsequent even cooling, improves sintering quality.
Other undescribed structures refer to example 1.
The embodiments of the present invention are disclosed as the preferred embodiments, but not limited thereto, and those skilled in the art can easily understand the spirit of the present invention and make various extensions and changes without departing from the spirit of the present invention.
Claims (7)
1. A high-heat-preservation sintering device for non-ferrous metal powder comprises a sintering box body and a box door arranged on the front side of the sintering box body, and is characterized in that a partition plate is vertically arranged in the sintering box body and divides an inner cavity of the sintering box body into a sintering cavity positioned on the front side and a gas cavity positioned on the rear side, a sintering mechanism and a cooling mechanism are arranged in the inner cavity of the sintering cavity, a temperature sensor is arranged on the inner top wall of the sintering cavity, a vacuumizing machine is arranged on the top wall of the sintering box body, and a suction end of the vacuumizing machine extends into the sintering cavity;
sintering mechanism includes a plurality of top-down parallel arrangement's last mould, go up mould horizontal installation on the inner wall in sintering chamber, and the upper end of going up the mould is equipped with hot plate I, the below of going up the mould is equipped with the end mould with last mould parallel arrangement, the die block chamber that is used for the powder to hold is offered to the upper end of end mould, and be equipped with hot plate II on the interior diapire in die block chamber, die block utensil anterior symmetry rigid coupling in opposite sides has spacing copper billet, and spacing copper billet slidable mounting is in the arc spout of offering on sintering intracavity wall, die block utensil opposite sides rear portion symmetry rotation in opposite sides is connected with the connecting rod, and the fixed cover of the other end of two connecting rods is established in same drive shaft, the drive shaft rotates and installs on the inner wall in sintering chamber, the fixed cover in the drive shaft is equipped with driven sprocket, and a plurality of driven sprocket passes through same chain drive and connects, and the upper end of chain runs through the roof in sintering chamber, The driving chain wheel is connected with the inner cavity of the protective shell in a transmission manner, the protective shell is arranged on the top wall of the sintering box body in a penetrating manner, the driving chain wheel is fixedly arranged on the output end of the servo motor, and the servo motor is arranged on the top wall of the sintering box body through a support;
the downside of sintering box is equipped with the powder vibration mechanism that is used for powder evenly distributed in the sintering box, powder vibration mechanism is including installing the bottom plate on sintering box diapire, the bottom plate is inserted and is established in the inner chamber of base box, the diapire edge of bottom plate is connected with the inner diapire wall of base box through a plurality of supporting spring, and the vertical a plurality of support cylinders of installing of inner diapire of base box, support cylinder's flexible serving installs the supporting shoe, the supporting shoe is inconsistent with the diapire of bottom plate, two vibrating motor are installed to the symmetry on the diapire of bottom plate.
2. The high-heat-preservation sintering device for non-ferrous metal powder as claimed in claim 1, characterized in that: the cooling mechanism comprises a gas pipe which is inserted on the top wall of the gas cavity in a penetrating way, the other end of the gas pipe is connected with a gas medium tank in a penetrating way, and a control valve is arranged on the gas pipe; the cooling mechanism further comprises a plurality of air inlet pipes which are inserted in the partition plates in a penetrating mode, one ends of the air inlet pipes extend into the sintering cavity and are connected with U-shaped air outlet pipes in a penetrating mode, the U-shaped air outlet pipes are arranged on the inner wall of the sintering cavity corresponding to the die assembly positions of the upper die and the bottom die, and a plurality of air injection holes are formed in the inner wall of each U-shaped air outlet pipe.
3. The high-heat-preservation sintering device for non-ferrous metal powder as claimed in claim 2, characterized in that: a plurality of fumarole equidistance parallel arrangement, and the aperture of fumarole is 3~6 millimeters.
4. The high-heat-preservation sintering device for non-ferrous metal powder as claimed in claim 1, characterized in that: and a contact block which is connected with the limiting copper block in an abutting mode in a die closing state is arranged in the arc-shaped sliding groove.
5. The high-heat-preservation sintering device for non-ferrous metal powder as claimed in claim 1, characterized in that: and a pressure sensor is arranged on the inner top wall of the sintering cavity, and a pressure valve is arranged on the top wall of the sintering box body corresponding to the position of the sintering cavity.
6. The high-heat-preservation sintering device for non-ferrous metal powder as claimed in claim 2, characterized in that: the storage medium in the gas medium tank is inert gas, and the inert gas is argon or xenon.
7. The high-heat-preservation sintering device for non-ferrous metal powder as claimed in claim 1, characterized in that: the control panel is installed on the box door, a display screen and a control button are arranged on the control panel, and a PLC is arranged in the control panel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010729308.5A CN111940718B (en) | 2020-07-27 | 2020-07-27 | Non ferrous metal powder high heat preservation sintering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010729308.5A CN111940718B (en) | 2020-07-27 | 2020-07-27 | Non ferrous metal powder high heat preservation sintering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111940718A CN111940718A (en) | 2020-11-17 |
| CN111940718B true CN111940718B (en) | 2022-03-25 |
Family
ID=73339645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010729308.5A Active CN111940718B (en) | 2020-07-27 | 2020-07-27 | Non ferrous metal powder high heat preservation sintering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111940718B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117524703B (en) * | 2022-08-04 | 2024-05-28 | 南通三优佳磁业有限公司 | Sintering device for magnetic powder |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3426582A1 (en) * | 1984-07-19 | 1986-01-30 | Wolfgang 4600 Dortmund Seidler | METHOD AND DEVICE FOR HEAT TREATMENT OF BLASTING AGENTS OR THE LIKE |
| JP2002005575A (en) * | 2000-06-23 | 2002-01-09 | Ishikawajima Harima Heavy Ind Co Ltd | Vacuum heat-treating furnace having function of agitating granule |
| CN101549405A (en) * | 2009-05-19 | 2009-10-07 | 燕山大学 | High-pressure sintering preparation method of high-densification high-performance nano crystal block thermoelectric material |
| KR20150003326A (en) * | 2012-04-23 | 2015-01-08 | 아이다 엔지니어링, 엘티디. | Device for high-density molding and method for high-density molding of mixed powder, high-density three-layer-structured power compact |
| CN107648989A (en) * | 2017-09-22 | 2018-02-02 | 华电电力科学研究院 | A kind of high-quality waste heat recovery erosion protection system and its method of work |
| CN109731772A (en) * | 2019-02-15 | 2019-05-10 | 安徽旭晶粉体新材料科技有限公司 | A kind of powder screening collecting device |
| CN210030798U (en) * | 2019-04-18 | 2020-02-07 | 长春市国源实业有限责任公司 | Heat treatment device for automobile part machining |
-
2020
- 2020-07-27 CN CN202010729308.5A patent/CN111940718B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111940718A (en) | 2020-11-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20140352909A1 (en) | Vacuum induction melting and strip casting equipment for rare earth permanent magnetic alloy | |
| CN111940718B (en) | Non ferrous metal powder high heat preservation sintering device | |
| CN113199008A (en) | Vacuum low-pressure casting device and method for large aluminum and magnesium alloy castings | |
| CN101249559B (en) | Multiple ingot vacuum running castings device and method for vacuum running castings using same | |
| CN111593217A (en) | Vacuum dynamic refining device and method for aluminum alloy smelting | |
| CN206936315U (en) | Bonding wire continuous casting furnace | |
| CN101391295B (en) | Metal material casting system and method | |
| CN212144479U (en) | Suction type quantitative pouring device | |
| CN206828617U (en) | Vacuum melting nickel ingot produces inert gas protection device | |
| CN214977629U (en) | Semi-solid pressure casting forming equipment | |
| CN213614078U (en) | Pressure regulating casting equipment for high-precision casting | |
| CN115365468A (en) | Semi-continuous casting system and casting method for ingot casting | |
| CN216729523U (en) | Metal sheet forming device | |
| CN105861868A (en) | Smelting and die-casting process for aluminum alloy | |
| CN216115957U (en) | Auxiliary observation device for bottom morphology of electroslag remelting metal molten pool | |
| CN104493145B (en) | New induction furnace and new induction furnace casting mould | |
| CN114734024A (en) | Liquid metal cooling vacuum precision casting furnace and working method | |
| CN213134951U (en) | Aluminum alloy casting airtight device convenient to maintain | |
| CN201291297Y (en) | Device for fusion casting process of metal material | |
| CN107855495A (en) | A kind of melt electromagnetic agitation formula low-pressure casting apparatus and casting method | |
| CN211758392U (en) | Oxygen-free copper casting vacuum device | |
| CN212930951U (en) | Heat preservation furnace | |
| CN113118401A (en) | Semi-continuous casting device and method for nonferrous metal | |
| CN219233903U (en) | Rare earth metal continuous casting equipment based on tec electronic cooling plate | |
| CN217110436U (en) | Castable vacuum suspension smelting furnace |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 244,000 Jinsheng Road, Yi'an Economic Development Zone, Yi'an District, Tongling City, Anhui Province Patentee after: Anhui Xujing Powder New Material Technology Co.,Ltd. Address before: Tongling City, Anhui Province Patentee before: ANHUI XUJING POWDER NEW-MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. |
|
| CP03 | Change of name, title or address |