CN218555560U - Cantilever turnover device for casting titanium alloy - Google Patents
Cantilever turnover device for casting titanium alloy Download PDFInfo
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- CN218555560U CN218555560U CN202223103897.XU CN202223103897U CN218555560U CN 218555560 U CN218555560 U CN 218555560U CN 202223103897 U CN202223103897 U CN 202223103897U CN 218555560 U CN218555560 U CN 218555560U
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
The utility model discloses a cantilever turning device for titanium alloy founding belongs to metal smelting technical field, cantilever turning device includes: the device comprises a water-cooled copper crucible mechanism, a supporting cantilever and a turnover overturning device; the supporting cantilever is arranged on the side wall of the high-vacuum furnace body, the loading end of the supporting cantilever is provided with the water-cooled copper crucible mechanism, and the shaft end of the supporting cantilever is provided with the overturning device; the water-cooled copper crucible mechanism is positioned on the inner side of the high-vacuum furnace body; the overturning device is located on the outer side of the high vacuum furnace body and drives the supporting cantilever to drive the water-cooled copper crucible mechanism to freely rotate relative to the high vacuum furnace body through worm and gear transmission. The coil and the cooling water path of the water-cooled copper crucible are fixed on the high vacuum furnace body through the simulated spherical bearing and can rotate along with the supporting cantilever. The titanium alloy pouring device is compact in structure, stable in mechanism operation and capable of achieving fine control over the titanium alloy pouring speed.
Description
Technical Field
The utility model belongs to the technical field of the metal smelting device, in particular to a cantilever turning device for titanium alloy founding.
Background
The high vacuum melting furnace is a key device for metal melting, and is very important for metals which are relatively active under high temperature conditions, including metallic titanium.
At present, the overturning and overturning movement of the crucible in the smelting equipment is mainly based on manual operation and gear transmission. The manual crucible overturning device has strong dependence on manpower, and the gear transmission has limited precision due to the meshing transmission of the power gear and the driven gear. The great fluctuations of the tilting movement process in both ways have an adverse effect on the casting process.
Therefore, it is necessary to develop a turnover device which can operate stably and control the titanium alloy pouring speed at the same time.
SUMMERY OF THE UTILITY MODEL
In order to solve the undulant great problem of upset of crucible among the foretell prior art at least, the utility model provides a following technical scheme: a cantilever turn-over device for titanium alloy fusion casting, the cantilever turn-over device comprising: the device comprises a water-cooled copper crucible mechanism, a supporting cantilever and a turnover overturning device;
the supporting cantilever is arranged on the side wall of the high-vacuum furnace body, the loading end of the supporting cantilever is provided with the water-cooled copper crucible mechanism, and the shaft end of the supporting cantilever is provided with the overturning device;
the water-cooled copper crucible mechanism is positioned on the inner side of the high-vacuum furnace body;
the overturning device is located on the outer side of the high vacuum furnace body and drives the supporting cantilever to drive the water-cooled copper crucible mechanism to freely rotate relative to the high vacuum furnace body through worm and gear transmission.
In the boom tip-over device as described above, optionally, the tip-over tipping device includes: a worm gear, a worm and a turnover driving motor;
the worm wheel is sleeved at the shaft end of the support cantilever;
the worm is arranged perpendicular to the shaft end of the support cantilever, the worm is installed on the outer wall of the high-vacuum furnace body through a pair of worm fixing bearings, the worm is located below the worm wheel, and the worm is meshed with the worm wheel;
the turnover driving motor is positioned on the outer wall of the high vacuum furnace body, and an output shaft of the turnover driving motor is fixedly connected with one end of the worm.
In the cantilever turning device as described above, optionally, the support cantilever is mounted on the high vacuum furnace body through a pseudo-spherical bearing and an auxiliary fixed bearing;
the simulated spherical bearing is positioned on the inner side of the high-vacuum furnace body;
the auxiliary fixed bearing is positioned on the outer side of the high-vacuum furnace body;
and one end of the water-cooling copper crucible mechanism is fixedly connected with the carrying end of the supporting cantilever.
In the cantilever turning device, optionally, the object carrying end of the supporting cantilever is a saddle, the shaft end of the supporting cantilever is a spindle, and one end of the saddle is fixedly connected with the spindle through a connecting plate;
the main shaft is arranged in parallel with the supporting platform, the main shaft is positioned above the supporting platform, and one end of the main shaft is provided with a worm wheel positioning shaft shoulder;
the overturning and overturning device is sleeved on the worm wheel positioning shaft shoulder.
In the cantilever turn-over apparatus as described above, optionally, the water-cooled copper crucible mechanism includes: a water-cooled copper crucible and a crucible induction coil;
the water-cooled copper crucible is provided with a containing cavity, the top of the water-cooled copper crucible is provided with an opening, the bottom of the water-cooled copper crucible is fixedly connected with the carrying end of the supporting cantilever, and a water channel is arranged in the side wall of the water-cooled copper crucible;
crucible induction coil cover is established the outside of water-cooling copper crucible, crucible induction coil's both ends are provided with induction coil terminal electrode respectively, and two opposite polarity induction coil terminal electrode all installs on the imitative spherical bearing.
In the cantilever turnover device as described above, optionally, the water-cooled copper crucible mechanism further includes: a cooling water path located below the carrier end of the support boom, the cooling water path comprising: a water inlet pipe and a water outlet pipe;
one end of the water inlet pipe is communicated with a water inlet of the water channel through a crucible end water channel joint penetrating through the object carrying end, and the other end of the water inlet pipe is communicated with a cooling water source through a cooling water channel outer end joint;
one end of the water outlet pipe is communicated with a water outlet of the water channel through a crucible end water channel joint penetrating through the object carrying end, and the other end of the water outlet pipe is communicated with the cooling water source through an outer end joint of the cooling water channel;
and the outer end joints of the two cooling water channels are arranged on the simulated spherical bearing.
In the cantilever turning device as described above, optionally, a protrusion opposite to the groove located at the inner side of the pseudo-spherical bearing is provided on a side wall of the shaft end of the support cantilever.
In the cantilever turnover device as described above, optionally, the pseudo-spherical bearing is fixed on the inner wall of the high vacuum furnace body through a sealing flange;
a rubber gasket is arranged between the sealing flange and the high vacuum furnace body;
the auxiliary fixed bearing is installed on the outer wall of the high vacuum furnace body through a fixed bearing bush, and the overturning device is arranged on one axial side of the auxiliary fixed bearing.
In the cantilever turning device as described above, optionally, a flat key is provided at a position of the support cantilever opposite to the worm wheel;
and a groove matched with the flat key is formed in the inner side of the worm wheel.
In the cantilever turning device as described above, optionally, the turning drive motor has a motor bushing coaxially disposed with the worm;
and the output shaft of the turnover driving motor and one end of the worm are both positioned on the inner side of the motor shaft sleeve.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
the water-cooled copper crucible is fixed in the high vacuum furnace body through a support cantilever, and the support cantilever is fixed on the side wall of the high vacuum furnace body through an imitation spherical bearing and an auxiliary fixed bearing and can freely rotate relative to the high vacuum furnace body. The coil and the cooling water path of the water-cooled copper crucible are fixed on the high vacuum furnace body through the sphere-like bearing and can rotate along with the supporting cantilever. A worm wheel in the overturning device is fixedly arranged at one end of the supporting cantilever positioned outside the high-vacuum furnace body, and the worm wheel can drive the supporting cantilever to rotate freely under the action of the worm. The titanium alloy pouring device is compact in structure, stable in mechanism operation and capable of achieving fine control over the titanium alloy pouring speed.
Drawings
Fig. 1 is a schematic structural diagram of a cantilever turnover device for casting titanium alloy according to an embodiment of the present invention;
fig. 2 is a schematic view of an installation position of a cantilever turning device for titanium alloy casting according to an embodiment of the present invention;
fig. 3 is an exploded schematic view of a cantilever turning device for casting titanium alloy according to an embodiment of the present invention;
in the figure: 1. water-cooling the copper crucible; 2. a crucible induction coil; 21. an induction coil end electrode; 3. a support boom; 31. a pseudo-spherical bearing; 32. sealing the flange; 33. fixing the bearing bush; 34. auxiliary fixing of the bearing; 4. a cooling water path; 41. a water way joint at the end of the crucible; 42. an outer end joint of the cooling water path; 43. a water inlet pipe; 44. a water outlet pipe; 5. a roll-over overturning device; 51. a worm; 52. a worm gear; 53. a worm fixing bearing; 54. a flat bond; 6. turning over a driving motor; 61. a motor shaft sleeve; 7. high vacuum furnace body.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
In the description of the present invention, the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description of the present invention and do not require that the present invention must be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention. The terms "connected," "connected," and "disposed" used in the present invention should be understood broadly, and may be, for example, a fixed connection or a detachable connection; can be directly connected or indirectly connected through intermediate components; the connection may be a wired electrical connection, a wireless electrical connection, or a wireless communication signal connection, and a person skilled in the art can understand the specific meaning of the above terms according to specific situations.
Referring to fig. 1-3, the present invention provides a cantilever turnover device for casting titanium alloy, the cantilever turnover device includes: a water-cooled copper crucible mechanism, a supporting cantilever 3 and a turnover overturning device 5. Referring to the schematic installation position of the cantilever turning device shown in fig. 2, the supporting cantilever 3 of the cantilever turning device is installed on the side wall of the high vacuum furnace 7. The shaft end of the support cantilever 3, which is positioned at the outer side of the high vacuum furnace body 7, is provided with a turnover overturning device 5, and the carrying end of the support cantilever 3, which is positioned at the inner side of the high vacuum furnace body 7, is provided with a water-cooling copper crucible mechanism. The overturning device 5 drives the supporting cantilever 3 to drive the water-cooled copper crucible mechanism to freely rotate relative to the high vacuum furnace body 7 through worm and gear transmission, a worm 51 in the overturning device 5 is installed on the side wall of the high vacuum furnace body 7 through a pair of worm fixing bearings 53, and a worm gear 52 is installed at the shaft end of the supporting cantilever 3.
In the cantilever turning device 5 as described above, in combination with the schematic view of the exploded structure of the cantilever turning device 5 shown in fig. 3, the supporting cantilever 3 is installed in a specific manner, and the supporting cantilever 3 is installed on the sidewall of the high vacuum furnace 7 through the pseudo-spherical bearing 31 and the auxiliary fixed bearing 34. The sphere-like bearing 31 is positioned at the inner side of the high vacuum furnace body 7, and the auxiliary fixed bearing 34 is positioned at the outer side of the high vacuum furnace body 7. The simulated spherical bearing 31 is fixed on the side wall of the high vacuum furnace body 7 through the sealing flange 32, the sealing flange 32 is fixed with the high vacuum furnace body 7 through bolts, and the phenomenon of air leakage between the simulated spherical bearing 31 and the high vacuum furnace body 7 in the rotating process of the supporting cantilever 3 can be ensured. The auxiliary fixing bearing 34 is installed on the outer wall of the high vacuum furnace 7 through the fixing bearing bush 33 so as to ensure the stability of the supporting cantilever 3.
In order to drive the supporting cantilever 3 to drive the water-cooled copper crucible mechanism to rotate, the overturning device 5 further comprises: the drive motor 6 is reversed. The overturning driving motor 6 is positioned on the outer wall of the high vacuum furnace body 7, the overturning driving motor 6 and the worm 51 are coaxially installed together through a motor shaft sleeve 61, and an output shaft of the overturning driving motor 6 and one end of the worm 51 are both positioned on the inner side of the motor shaft sleeve 61. Further, a worm wheel 52 is sleeved at the shaft end of the support cantilever 3, a worm 51 is perpendicular to the shaft end of the support cantilever 3, the worm 51 is positioned below the worm wheel 52 and is installed on the outer wall of the high vacuum furnace body 7, and the middle part of the worm 51 is meshed with the worm wheel 52. After the power is on, the output shaft of the turnover driving motor 6 drives the worm 51 to rotate through the motor shaft sleeve 61, the worm 51 drives the worm gear 52 to rotate, and the worm gear 52 simultaneously drives the fixedly connected supporting cantilever 3 to rotate, so that the rotation of the water-cooled copper crucible mechanism arranged on the supporting cantilever 3 is realized, and the purpose of pouring is realized. In addition, the turning process of the water-cooled copper crucible mechanism can be controlled by operating the turning drive motor 6.
Referring to fig. 3, the specific structure of the supporting cantilever 3 is set, the object carrying end of the supporting cantilever 3 located inside the high vacuum furnace body 7 is a support platform, the support platform is used for bearing and installing a water-cooled copper crucible mechanism, the shaft end of the supporting cantilever 3 is a main shaft, the main shaft is arranged in parallel with the support platform, the main shaft is located above the support platform, one end of the support platform is fixedly connected with the main shaft through a connecting plate (or a column), so that a step is formed between the support platform and the main shaft, and preferably, the connecting plate (or the column) is obliquely arranged. One end of the main shaft is provided with a worm wheel positioning shoulder, and a worm wheel 52 in the overturning device 5 is arranged at the shaft end of the support cantilever 3 by means of the worm wheel positioning shoulder.
In order to make the worm wheel 52 generate torque to drive the support arm 3 to rotate better, a flat key 54 is installed on the support arm 3 for fixing the worm wheel 52. At the same time, the inner side of the spherical bearing 31 is provided with a groove matched with a protrusion on the side wall of the main shaft of the supporting cantilever 3 (i.e. the self-protrusion of the supporting cantilever 3 shown in fig. 3), and the inner side of the worm wheel 52 is provided with a groove matched with the flat key 54. After the installation of the cantilever turning device 5 is completed, the self-protrusion of the supporting cantilever 3 contacts with the groove of the spherical-like bearing 31, the flat key 54 of the supporting cantilever 3 contacts with the groove of the worm wheel 52, and when the turning driving motor 6 drives the supporting cantilever 3 to rotate, the torque is transmitted by the extrusion between the corresponding flat key 54 and the groove of the worm wheel 52, and the self-protrusion of the supporting cantilever 3 and the groove of the spherical-like bearing 31, so that the supporting cantilever 3 is driven to rotate.
In the cantilever turn-over device, the water-cooled copper crucible mechanism for casting titanium alloy comprises: a water-cooled copper crucible 1, a crucible induction coil 2 and a cooling water path 4. The water-cooled copper crucible 1 is provided with a containing cavity for containing titanium alloy, the top of the water-cooled copper crucible 1 is provided with an opening, the bottom of the water-cooled copper crucible 1 is fixedly connected with a supporting platform of the supporting cantilever 3 through a plurality of bolts, and a water channel is arranged in the side wall of the water-cooled copper crucible 1. The crucible induction coil 2 is sleeved outside the water-cooled copper crucible 1, and the two ends of the crucible induction coil 2 are respectively provided with an induction coil end electrode 21. The polarities of the two induction coil end electrodes 21 are opposite, and the two induction coil end electrodes 21 are both installed on the spherical-simulated bearing 31, so that the coil of the water-cooled copper crucible 1 is fixed on the high-vacuum furnace body 7 through the spherical-simulated bearing 31 and can rotate along with the supporting cantilever 3. The water-cooled copper crucible 1 can be heated after the smelting power supply is communicated with the crucible induction coil 2 through the induction coil end electrode 21. The cooling water path 4 is arranged below the support table and used for introducing cooling water into a water channel of the water-cooled copper crucible 1 to cool the water-cooled copper crucible 1.
As a specific example of the cooling water path 4, the cooling water path 4 includes: an inlet pipe 43 and an outlet pipe 44. The one end of inlet tube 43 is through passing the crucible end water route joint 41 of saddle and the water inlet intercommunication of water course, and the other end of inlet tube 43 passes through cooling water route outer end joint 42 and cooling water source intercommunication, and the one end of outlet pipe 44 is through passing crucible end water route joint 41 and the delivery port intercommunication of water course of cargo hold, and the other end of outlet pipe 44 passes through cooling water route outer end joint 42 and cooling water source intercommunication to make the cooling water along the continuous circulation flow in water course of water-cooling copper crucible 1 for water-cooling copper crucible 1 cooling. Furthermore, the outer end joints 42 of the two cooling water paths are both arranged on the spherical-like bearing 31, so that the cooling water path 4 of the water-cooled copper crucible 1 is fixed on the high vacuum furnace body 7 through the spherical-like bearing 31 and can rotate along with the supporting cantilever 3.
The crucible induction coil 2 adopts a hollow seamless copper pipe, and the surface is covered with an insulating layer.
In order to ensure the air tightness of the high vacuum furnace body 7, a rubber gasket is arranged between the sealing flange 32 and the high vacuum furnace body 7, so that the supporting cantilever 3 can rotate under the action of external power after being installed, and the air leakage phenomenon of the high vacuum furnace body 7 cannot occur.
It should be noted that many all adopt bolted connection between each part among the cantilever turning device of this application to the junction all adds and is equipped with the rubber packing ring, prevents that the phenomenon of electric leakage from appearing in the junction.
The working process of the cantilever turnover device is as follows:
titanium alloy to be smelted is put into the water-cooled copper crucible 1 in advance, then a furnace door of the high-vacuum furnace body 7 is closed, the high-vacuum furnace body 7 is vacuumized until the target vacuum degree is reached, and in order to prevent elements from volatilizing, a proper amount of high-purity argon can be supplemented to the high-vacuum furnace body 7 during smelting. And starting smelting, wherein cooling water flows into a water inlet pipe 43 through a cooling water channel outer end connector 42, then flows into a water inlet of a water channel through a crucible end water channel connector 41, flows along the water channel on the side wall of the water-cooled copper crucible 1, then flows into a water outlet pipe 44 through the crucible end water channel connector 41, and finally flows back into a cooling water source through the water channel outer end connector 42 to sequentially circulate to form circulating water. The melting power supply is communicated with the crucible induction coil 2 through the induction coil tail end electrode 21, the crucible induction coil 2 starts to heat the water-cooled copper crucible 1, the current is gradually increased until the titanium alloy in the water-cooled copper crucible 1 is completely melted, the melting state of the titanium alloy is kept, the pouring function is selected, the overturning driving motor 6 sequentially passes through the worm 51, the worm gear 52 and the supporting cantilever 3 to carry out power transmission, the water-cooled copper crucible mechanism starts to overturn, and finally, molten metal flows into a casting mold cavity from the water-cooled copper crucible 1, and the pouring process is completed.
It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of the invention or which are equivalent to the scope of the invention are embraced by the invention.
Claims (10)
1. A cantilever turning device for titanium alloy fusion casting is characterized in that, the cantilever turning device includes: the device comprises a water-cooled copper crucible mechanism, a supporting cantilever and a turnover overturning device;
the supporting cantilever is arranged on the side wall of the high-vacuum furnace body, the loading end of the supporting cantilever is provided with the water-cooled copper crucible mechanism, and the shaft end of the supporting cantilever is provided with the overturning device;
the water-cooled copper crucible mechanism is positioned on the inner side of the high-vacuum furnace body;
the overturning device is located on the outer side of the high vacuum furnace body and drives the supporting cantilever to drive the water-cooled copper crucible mechanism to freely rotate relative to the high vacuum furnace body through worm and gear transmission.
2. Cantilever tilting device for titanium alloy fusion casting according to claim 1 characterized in that it comprises: a worm gear, a worm and a turnover driving motor;
the worm gear is sleeved at the shaft end of the support cantilever;
the worm is arranged perpendicular to the shaft end of the support cantilever, the worm is installed on the outer wall of the high-vacuum furnace body through a pair of worm fixing bearings, the worm is located below the worm wheel, and the worm is meshed with the worm wheel;
the turnover driving motor is positioned on the outer wall of the high vacuum furnace body, and an output shaft of the turnover driving motor is fixedly connected with one end of the worm.
3. The cantilever turn-over device for titanium alloy fusion casting according to claim 2, wherein the supporting cantilever is mounted on the high vacuum furnace body through a pseudo-spherical bearing and an auxiliary fixed bearing;
the simulated spherical bearing is positioned on the inner side of the high-vacuum furnace body;
the auxiliary fixed bearing is positioned on the outer side of the high-vacuum furnace body;
and one end of the water-cooling copper crucible mechanism is fixedly connected with the carrying end of the supporting cantilever.
4. The cantilever turnover device for titanium alloy casting according to claim 1, wherein the carrying end of the support cantilever is a saddle, the shaft end of the support cantilever is a main shaft, and one end of the saddle is fixedly connected with the main shaft through a connecting plate;
the main shaft is arranged in parallel with the supporting platform, the main shaft is positioned above the supporting platform, and one end of the main shaft is provided with a worm wheel positioning shaft shoulder;
the overturning and overturning device is sleeved on the worm wheel positioning shaft shoulder.
5. The cantilever turn-over device for titanium alloy fusion casting according to claim 3, wherein the water-cooled copper crucible mechanism comprises: a water-cooled copper crucible and a crucible induction coil;
the water-cooled copper crucible is provided with a containing cavity, the top of the water-cooled copper crucible is provided with an opening, the bottom of the water-cooled copper crucible is fixedly connected with the carrying end of the supporting cantilever, and a water channel is arranged in the side wall of the water-cooled copper crucible;
the crucible induction coil is sleeved outside the water-cooled copper crucible, the two ends of the crucible induction coil are respectively provided with an induction coil terminal electrode, and the two opposite polarities of the induction coil terminal electrodes are both installed on the simulated spherical bearing.
6. The cantilever tilting device for titanium alloy fusion casting according to claim 5, wherein the water-cooled copper crucible mechanism further comprises: a cooling water path located below the carrier end of the support boom, the cooling water path comprising: a water inlet pipe and a water outlet pipe;
one end of the water inlet pipe is communicated with a water inlet of the water channel through a crucible end water channel joint penetrating through the object carrying end, and the other end of the water inlet pipe is communicated with a cooling water source through a cooling water channel outer end joint;
one end of the water outlet pipe is communicated with a water outlet of the water channel through a crucible end water channel joint penetrating through the object carrying end, and the other end of the water outlet pipe is communicated with the cooling water source through an outer end joint of the cooling water channel;
and the outer end joints of the two cooling water paths are arranged on the simulated spherical bearing.
7. The cantilever tilting device for titanium alloy fusion casting according to claim 3, wherein the side wall of the shaft end of the support cantilever is provided with a protrusion opposite to the groove at the inner side of the pseudo-spherical bearing.
8. The cantilever turn-over device for titanium alloy fusion casting according to claim 3, wherein the spherical bearing is fixed on the inner wall of the high vacuum furnace body through a sealing flange;
a rubber gasket is arranged between the sealing flange and the high vacuum furnace body;
the auxiliary fixed bearing is installed on the outer wall of the high vacuum furnace body through a fixed bearing bush, and the overturning device is arranged on one axial side of the auxiliary fixed bearing.
9. The cantilever turnover device for casting titanium alloy as claimed in claim 2, wherein a flat key is arranged on the position of the support cantilever opposite to the worm gear;
and a groove matched with the flat key is formed in the inner side of the worm wheel.
10. The cantilever turn-over device for titanium alloy fusion casting according to claim 2, wherein the turn-over driving motor has a motor shaft sleeve coaxially arranged with the worm;
and the output shaft of the turnover driving motor and one end of the worm are both positioned on the inner side of the motor shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223103897.XU CN218555560U (en) | 2022-11-22 | 2022-11-22 | Cantilever turnover device for casting titanium alloy |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223103897.XU CN218555560U (en) | 2022-11-22 | 2022-11-22 | Cantilever turnover device for casting titanium alloy |
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| Publication Number | Publication Date |
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| CN218555560U true CN218555560U (en) | 2023-03-03 |
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| CN202223103897.XU Active CN218555560U (en) | 2022-11-22 | 2022-11-22 | Cantilever turnover device for casting titanium alloy |
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