CN216881443U - Superplastic forming device for amorphous straight gear - Google Patents
Superplastic forming device for amorphous straight gear Download PDFInfo
- Publication number
- CN216881443U CN216881443U CN202122661785.5U CN202122661785U CN216881443U CN 216881443 U CN216881443 U CN 216881443U CN 202122661785 U CN202122661785 U CN 202122661785U CN 216881443 U CN216881443 U CN 216881443U
- Authority
- CN
- China
- Prior art keywords
- die
- amorphous
- extrusion rod
- detachable
- superplastic forming
- 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
- 238000001125 extrusion Methods 0.000 claims abstract description 62
- 238000010438 heat treatment Methods 0.000 claims abstract description 28
- 239000007789 gas Substances 0.000 claims abstract description 4
- 239000011261 inert gas Substances 0.000 claims abstract description 4
- 241000755266 Kathetostoma giganteum Species 0.000 claims description 17
- 239000007787 solid Substances 0.000 claims description 4
- 229910000808 amorphous metal alloy Inorganic materials 0.000 abstract description 17
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 abstract description 6
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 6
- 229910045601 alloy Inorganic materials 0.000 abstract description 6
- 239000000956 alloy Substances 0.000 abstract description 6
- 229910052786 argon Inorganic materials 0.000 abstract description 3
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 239000013526 supercooled liquid Substances 0.000 description 8
- 239000012071 phase Substances 0.000 description 7
- 238000004080 punching Methods 0.000 description 5
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 4
- 230000009471 action Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052710 silicon Inorganic materials 0.000 description 4
- 239000010703 silicon Substances 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 238000004781 supercooling Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Landscapes
- Extrusion Of Metal (AREA)
Abstract
The utility model relates to the technical field of bulk amorphous alloy preparation, and discloses a superplastic forming device for an amorphous straight gear, which comprises a heating temperature control device, an extrusion die, a detachable extrusion rod and a cushion block, wherein the heating temperature control device is connected with the extrusion die through a heating wire; the heating temperature control device consists of a resistance furnace and a thermocouple, the heating mode of the resistance furnace is resistance heating, the thermocouple is used for measuring and controlling temperature, and inert gases such as argon, nitrogen and the like are filled into the resistance furnace for gas protection; the extrusion die consists of an upper die block, a shaft sleeve, a detachable movable female die and a lower die plate; the die adopts detachable activity die, is different from fixed die in the past, can directly dismantle the change, can comparatively convenient take shape to the amorphous straight-teeth gear of different numbers of teeth and modulus, has made things convenient for the experimenter, has improved the practicality. The movable female die of the utility model adopts high-temperature alloy, can be repeatedly used for many times and has high economical efficiency.
Description
Technical Field
The utility model relates to the technical field of bulk amorphous alloy preparation, in particular to a superplastic forming device for an amorphous straight gear.
Background
The preparation of bulk amorphous alloys has recently become a focus of attention, and parts formed from bulk amorphous alloys have high precision, high strength, high hardness, high impact toughness, and excellent corrosion resistance compared to crystalline alloys. Therefore, compared with the conventional material, the gear prepared from the bulk amorphous alloy has more excellent performance and longer service life. However, the amorphous alloy has poor plasticity at room temperature, so that the amorphous alloy is difficult to machine, and the development of the amorphous alloy is severely restricted. The bulk amorphous alloy belongs to metastable state material in thermodynamics, and when the temperature rises, the amorphous alloy can generate glass transition and further generate crystallization. The temperature interval between the glass transition temperature and the crystallization temperature is called a supercooled liquid region. The bulk amorphous alloy shows a Newtonian viscous flow state or an approximate Newtonian viscous flow state in a supercooled liquid phase region, and shows excellent superplasticity. Therefore, scientific researchers utilize the superplasticity of the amorphous alloy in the supercooling liquid phase region to prepare a plurality of amorphous alloy parts.
At present, domestic reports on amorphous alloy superplastic forming methods are more, but reports on forming devices are few. The existing amorphous alloy superplastic forming device has the defects that:
1. the concave die and the die of the existing amorphous alloy superplastic forming device are integrated, cannot be disassembled, are inconvenient to replace and are also not beneficial to meeting the processing requirements of diversified gears; or the silicon die is used, so that the silicon die is disposable and extremely high in use cost.
2. The heating mode of the existing amorphous alloy superplastic forming device is mainly selected to lead current into a die or insert a heating rod, and the mode is not beneficial to uniform heating of blanks and has safety risk of electric leakage.
3. At present, most of extrusion rods of amorphous alloy superplastic forming devices cannot be disassembled, the function is single, gears with different requirements cannot be machined, and the application range is reduced.
4. At present, the amorphous alloy superplastic forming device is difficult to disassemble, and the silicon die is corroded by acid liquor during unloading, so that the mode is high in use cost and extremely dangerous.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Aiming at the defects of the prior art, the utility model provides a superplastic forming device for an amorphous straight gear, which has the advantages of saving cost and improving safety and solves the problems of high cost and insecurity.
(II) technical scheme
In order to achieve the purpose, the utility model provides the following technical scheme: a superplastic forming device for an amorphous straight gear comprises a heating temperature control device, an extrusion die, a detachable extrusion rod and a cushion block;
the heating temperature control device consists of a resistance furnace and a thermocouple, the heating mode of the resistance furnace is resistance heating, the thermocouple is used for measuring and controlling temperature, and inert gases such as argon, nitrogen and the like are filled into the resistance furnace for gas protection;
the extrusion die comprises an upper die block, a shaft sleeve, a detachable movable female die and a lower die plate, wherein the detachable movable female die is fixed between the upper die block and the lower die plate through clearance fit;
the detachable extrusion rod consists of a flat head type extrusion rod and a step type extrusion rod, and the detachable movable female die consists of a few-tooth movable female die and a multi-tooth movable female die.
Preferably, a discharge hole is formed in the lower template.
By adopting the scheme, after the superplastic forming is finished, the formed part can be directly ejected out of the discharge hole.
Preferably, the bottom of the lower template is provided with an exhaust groove.
By adopting the scheme, the exhaust groove is used for discharging waste gas during superplasticity experiments.
Preferably, threaded holes are formed in two sides of the cavity of the detachable movable female die.
By adopting the scheme, the screw can be directly screwed out and disassembled after the forming is finished.
Preferably, the flat-head type extrusion rod is used for forming a solid amorphous spur gear.
By adopting the scheme, the extrusion die and the blank are heated in the resistance furnace to the amorphous supercooled liquid phase region, and under the external pressure, the flat-head type extrusion rod downwards extrudes the blank to fill the die cavity for one-time forming.
Preferably, the stepped extrusion rod is used for forming a hollow amorphous spur gear.
By adopting the scheme, the extrusion die and the blank are heated in the resistance furnace to the amorphous supercooled liquid phase region, and the stepped extrusion rod downwards extrudes the blank into the cavity under the external pressure, so that the filling and punching are completed at one time.
Preferably, the forming of the hollow amorphous spur gear further comprises the following steps:
s1: additionally installing a flat-head type extrusion rod, heating an extrusion die and a blank in a resistance furnace to an amorphous supercooled liquid phase region, and under the external pressure, downward extruding the blank by the flat-head type extrusion rod to fill a cavity to finish mold filling;
and S2, replacing the stepped extrusion rod, enabling the stepped extrusion rod to descend into the cavity under the action of external pressure, and extruding out redundant waste to complete punching.
(III) advantageous effects
Compared with the prior art, the utility model provides a superplastic forming device for an amorphous straight gear, which has the following beneficial effects:
1. the die in the utility model adopts a detachable movable die, is different from the fixed die in the past, can be directly detached and replaced, can conveniently form amorphous straight gears with different tooth numbers and moduli, is convenient for experimenters, and improves the practicability. The movable female die of the utility model adopts high-temperature alloy, can be repeatedly used, and has high economical efficiency.
2. The heating mode of the utility model adopts resistance heating, the die and the blank are directly heated in the resistance furnace, the heating to the blank is more uniform and the heating is more stable. Meanwhile, as the heating wire is arranged in the resistance furnace, the safety is improved, and the safety of the device is improved.
3. The extrusion rod in the utility model adopts a detachable extrusion rod, is convenient to detach, can process amorphous straight gears with different size requirements, and improves the application range.
4. The upper module is internally provided with the fitting groove, so that the left upper module and the right upper module can be effectively fitted. Be equipped with the dismantlement groove in the side of last module, be favorable to dismantling the mould, improve the availability factor of mould. The lower module is made of high-temperature alloy, the discharge hole is formed in the lower module, the amorphous straight gear after the super-shaping forming can be directly ejected out of the discharge hole, and compared with the traditional method that the sampling is carried out by corroding a silicon die with acid liquor, the sampling method is safer and more economical.
Drawings
FIG. 1 is an internal tooling diagram of the present invention
FIG. 2 is a view of different movable female molds according to the present invention;
FIG. 3 is a drawing of different size squeeze bars according to the present invention;
fig. 4 is a view of a gear formed in the present invention.
In the figure: 1. a detachable extrusion rod; 2. an upper module; 3. a shaft sleeve; 4. a detachable movable female die; 5. a lower template; 6. a pin; 7. cushion blocks; 8. a resistance furnace; 9. a fitting groove; 10. disassembling the groove; 11. a thermocouple; 12. a threaded hole; 13. a discharge opening; 14. an exhaust groove; 15. a movable female die with few teeth; 16. a multi-tooth movable female die; 17. a flat-head type extrusion rod; 18. a stepped extrusion stem.
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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example one
A superplastic forming device for an amorphous straight gear comprises a heating temperature control device, an extrusion die, a detachable extrusion rod 1 and a cushion block 7;
the heating temperature control device consists of a resistance furnace 8 and a thermocouple 11, the heating mode of the resistance furnace 8 is resistance heating, the thermocouple 11 is used for measuring and controlling temperature, and inert gases such as argon, nitrogen and the like are filled into the resistance furnace 8 for gas protection;
the extrusion die comprises an upper die block 2, a shaft sleeve 3, a detachable movable female die 4 and a lower die plate 5, wherein the detachable movable female die 4 is fixed between the upper die block 2 and the lower die plate 5 through clearance fit, the upper die block 2 is fixed with the lower die plate 5 up and down through a pin 6, the upper die block 2 and the lower die plate 5 are fixed through the side surface of the shaft sleeve 3, the extrusion die is integrally fixed on a cushion block 7, a fitting groove 9 is formed in the upper die block 2, the two upper die blocks 2 are tightly fitted through the fitting groove 9, and a dismounting groove 10 is formed in the side surface of the upper die block 2;
the detachable extrusion rod 1 consists of a flat head type extrusion rod 17 and a step type extrusion rod 18, and the detachable movable female die 4 consists of a few-tooth movable female die 15 and a multi-tooth movable female die 16.
In this embodiment, specifically, discharge hole 13 is provided in lower template 5.
In this embodiment, specifically, the bottom of the lower template 5 is provided with an exhaust groove 14.
In this embodiment, specifically, threaded holes 12 are formed in two sides of the cavity of the detachable movable female die 4.
In this embodiment, specifically, the flat-head type extrusion rod 17 is used for forming a solid amorphous spur gear.
In this embodiment, specifically, the stepped extrusion stem 18 is used for forming a hollow amorphous spur gear.
In this embodiment, specifically, the forming of the hollow amorphous spur gear further includes the following steps:
s1: a flat-head type extrusion rod 17 is additionally arranged, an extrusion die and a blank are heated in a resistance furnace 8 to an amorphous supercooled liquid phase region, under the external pressure, the flat-head type extrusion rod 17 downwards extrudes the blank to fill a cavity, and the mold filling is completed;
and S2, replacing the step-type extrusion rod 18, and enabling the step-type extrusion rod 18 to descend into the die cavity under the action of external pressure to extrude redundant waste to finish punching.
Referring to fig. 1-4, a forming object is a straight spur gear as shown in fig. 4 used on a certain device, when the solid straight gear as shown in fig. 4 is formed, firstly, an amorphous blank is cleaned and polished and then placed in a cavity, a flat-head type extrusion rod 17 is additionally arranged, the amorphous blank is heated through a resistance furnace 8 and a thermocouple 11, so that the temperature of the gear blank reaches a certain temperature between a supercooled liquid phase region delta Tx and Tx-Tg, the temperature of the flat-head type extrusion rod 17 is 7-10 ℃ higher than that of the blank, solidification caused by low temperature during forming is prevented, and then, under external pressure, the flat-head type extrusion rod 17 downwards extrudes the blank to fill the cavity for one time;
when the hollow spur gear of fig. 4 is formed, there are two forming modes;
firstly, cleaning and polishing an amorphous blank, then placing the amorphous blank into a cavity, additionally installing a step type extrusion rod 18, heating the amorphous blank through a resistance furnace 8 and a thermocouple 11, enabling the temperature of the gear blank to reach a certain temperature between a supercooling liquid phase region delta Tx and Tx-Tg, enabling the temperature of the step type extrusion rod 18 to be higher than the temperature of the blank by 7-10 ℃, preventing solidification caused by low temperature during forming, then enabling the step type extrusion rod 18 to downwards extrude the blank to fill the cavity under external pressure, and completing filling and punching at one time;
secondly, a combined extrusion rod can be adopted for two-step forming, a flat-head type extrusion rod 17 is additionally arranged in the first step, an extrusion die and a blank are heated in a resistance furnace 8, the temperature is controlled by a thermocouple 11 and heated to an amorphous supercooled liquid phase region, under the action of external pressure, the flat-head type extrusion rod 17 downwards extrudes the blank to fill a cavity, and the filling is completed; and secondly, replacing the stepped extrusion rod 18, and enabling the stepped extrusion rod 18 to downwards enter the cavity under the action of external pressure to extrude redundant waste to complete punching.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A superplastic forming device for an amorphous straight gear is characterized in that: comprises a heating temperature control device, an extrusion die, a detachable extrusion rod (1) and a cushion block (7);
the heating temperature control device consists of a resistance furnace (8) and a thermocouple (11), the heating mode of the resistance furnace (8) is resistance heating, the thermocouple (11) is used for measuring and controlling temperature, and inert gas is filled in the resistance furnace (8) for gas protection;
the extrusion die is composed of an upper die block (2), a shaft sleeve (3), a detachable movable female die (4) and a lower die plate (5), the detachable movable female die (4) is fixed between the upper die block (2) and the lower die plate (5) in a clearance fit mode, the upper die block (2) is fixed with the lower die plate (5) up and down through a pin (6), the upper die block (2) and the lower die plate (5) are fixed through the side face of the shaft sleeve (3), the extrusion die is integrally fixed on the cushion block (7), a fitting groove (9) is formed in the upper die block (2), the two upper die blocks (2) are tightly fitted through the fitting groove (9), and a dismounting groove (10) is formed in the side face of the upper die block (2);
the detachable extrusion rod (1) is composed of a flat head type extrusion rod (17) and a step type extrusion rod (18), and the detachable movable female die (4) is composed of a few-tooth movable female die (15) and a multi-tooth movable female die (16).
2. The superplastic forming apparatus for an amorphous spur gear according to claim 1, wherein: and a discharge hole (13) is formed in the lower template (5).
3. The superplastic forming apparatus for an amorphous spur gear according to claim 1, wherein: and an exhaust groove (14) is formed in the bottom of the lower template (5).
4. The superplastic forming apparatus for an amorphous spur gear according to claim 1, wherein: threaded holes (12) are formed in two sides of the cavity of the detachable movable female die (4).
5. The superplastic forming apparatus for an amorphous spur gear according to claim 1, wherein: the flat-head type extrusion rod (17) is used for forming a solid amorphous straight gear.
6. The superplastic forming apparatus for an amorphous spur gear according to claim 1, wherein: the stepped extrusion rod (18) is used for forming the hollow amorphous straight gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122661785.5U CN216881443U (en) | 2021-11-02 | 2021-11-02 | Superplastic forming device for amorphous straight gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122661785.5U CN216881443U (en) | 2021-11-02 | 2021-11-02 | Superplastic forming device for amorphous straight gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216881443U true CN216881443U (en) | 2022-07-05 |
Family
ID=82200886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122661785.5U Expired - Fee Related CN216881443U (en) | 2021-11-02 | 2021-11-02 | Superplastic forming device for amorphous straight gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216881443U (en) |
-
2021
- 2021-11-02 CN CN202122661785.5U patent/CN216881443U/en not_active Expired - Fee Related
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101972835A (en) | Closed forging technique for steering knuckle | |
| CN106825496B (en) | A kind of wrought aluminium alloy workpiece casting forging unification moulding process | |
| CN1253269C (en) | Casting extruding compound shaping method of magnesium alloy automobile hub | |
| CN106180506A (en) | A kind of GH4169 stator blade closed die forging method | |
| CN109530471A (en) | A kind of closely contour chevron light-alloy component mold for extruding and forming of thin-walled | |
| CN216881443U (en) | Superplastic forming device for amorphous straight gear | |
| CN103302213B (en) | A kind of accurate forming method of large-scale high muscle aluminum alloy forge piece | |
| CN109332416A (en) | One kind being used for aluminium alloy extruded molding cleaning plant | |
| CN201324829Y (en) | Multi-mold middle caster for rear nonferrous metals | |
| CN112427471A (en) | Cold extrusion die for external straight-tooth parts and forming process thereof | |
| CN112775378B (en) | Die forging forming die and die forging forming method for ultra-large type elbow | |
| CN110815924A (en) | Double-station crucible forming process | |
| CN216397963U (en) | High-precision die-casting die for built-in part of notebook computer | |
| CN215356033U (en) | Novel mould is used in foundry goods casting | |
| CN211386857U (en) | Hexagon nut mold processing convenient to drawing of patterns | |
| CN209334475U (en) | One kind being used for aluminium alloy extruded molding cleaning plant | |
| CN212707710U (en) | Steering gear hollow rack internal expanding extrusion forming processing device | |
| CN209334465U (en) | One kind being used for aluminium alloy extruded molding oiling device | |
| CN208776573U (en) | A kind of shaping jig and its mould group of edged lens | |
| CN214517499U (en) | Die-casting die for circuit baking tray | |
| CN206677153U (en) | A kind of kirsite photoelectricity bracket Belt-type tools | |
| CN220805409U (en) | Novel spiral crystal selector wax matrix | |
| CN221909644U (en) | Combined forging die for threaded connection | |
| CN215998574U (en) | Die for high-temperature alloy investment precision casting | |
| CN215356108U (en) | Die casting die for precise die casting |
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: 20220705 |