CN211713243U - Three-coordinate installation adjusting device for film shell lifting mechanism of vacuum precision casting furnace - Google Patents
Three-coordinate installation adjusting device for film shell lifting mechanism of vacuum precision casting furnace Download PDFInfo
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- CN211713243U CN211713243U CN202020403766.5U CN202020403766U CN211713243U CN 211713243 U CN211713243 U CN 211713243U CN 202020403766 U CN202020403766 U CN 202020403766U CN 211713243 U CN211713243 U CN 211713243U
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Abstract
The utility model discloses a three-coordinate installation and adjustment device for a vacuum precision casting furnace membrane shell lifting mechanism; fixing a base on the pre-buried plate, arranging a support plate on the base, arranging X-axis moving devices on the left side and the right side of the support plate, and arranging Y-axis moving devices on the front side and the rear side of the support plate; a support table is fixed on the support plate; one end of a Z-axis lifting device is connected above the supporting platform; the other end of the Z-axis lifting device is provided with a linear guide rail; by adjusting the X-axis moving screw, the Y-axis moving screw and the supporting nut rod, when the device is installed, the compensation position size reaches the optimal state, the position size when the device can be quickly and efficiently compensated and installed reaches the optimal state, and the levelness in the X, Y direction is adjusted to be less than 0.05 mm.
Description
Technical Field
The utility model relates to a directional precision casting stove membrane shell elevating system installation adjusting device among the precision casting stove device especially relates to a vacuum precision casting stove membrane shell elevating system three-dimensional installation adjusting device.
Background
The directional solidification is that a forced means is adopted in the solidification process, so that the heat flow of a casting on a solid-liquid interface in the whole solidification process is kept to diffuse from one direction, namely, the directional heat dissipation is realized, meanwhile, a positive temperature gradient must be maintained in a crystallization front area to prevent the formation of new crystal nuclei, a temperature gradient in a single direction is provided in the metal crystallization process, a transverse crystal boundary generated in the crystallization process is eliminated, the working capacity of the casting at high temperature is obviously improved, crystals grow along the direction as much as possible, and the casting has a columnar crystal or single crystal organization structure in the single direction.
Directional solidification is a technique of great significance in casting, and is mainly used for manufacturing high-temperature alloy parts of hot end parts of gas turbines, in particular turbine blades of aerospace engines. The blade works under the environment with highest temperature, most complex stress and most severe environment, and is regarded as the most important part in key materials of the engine. The performance level, particularly the temperature bearing capacity, of the turbine rotor blade is an important mark of the performance of an aeroengine, directional solidification casting is an advanced technology which is developed for improving the temperature bearing capacity of the turbine blade of the engine, the application of the directional solidification casting obviously improves the performance level of alloy, and castings produced by a single crystal/directional precise casting furnace can meet the requirement that the castings have excellent mechanical performance under the extremely high-temperature working environment, namely the solidification process of metal needs to be strictly controlled in the casting process.
The directional solidification precision casting furnace is a device for smelting materials in a crucible by utilizing the principles of electromagnetic induction and current thermal effect, and realizing directional crystallization smelting of a casting by heat preservation of a heat preservation furnace, controlling of crystal pulling rate and the like, and the single crystal vacuum precision casting furnace is only formed by adding a set of geometric crystal selection structure at the bottom of a film shell on the basis of the directional solidification furnace. The single crystal vacuum precision casting furnace adopts a three-chamber vacuum structure and comprises a smelting chamber, an ingot casting chamber and a feeding chamber. The crucible in the melting chamber finishes the heating and melting of metal base metal into liquid metal with uniform and pure components through an induction coil, a film shell preheated to a certain temperature in the ingot casting chamber is sent to the melting chamber through a lifting mechanism to be preheated to a required temperature, the liquid metal with a certain superheat degree in the crucible is poured into the film shell in the melting chamber to maintain a certain temperature requirement in the heat preserving furnace, and the directional solidification and crystallization of a casting are realized through the film shell lifting mechanism. The stability of membrane shell elevating system's level and at high speed and slow speed removal in-process is required at this in-process, if the mould tray is uneven appears, can harm equipment and influence the equipment seal structure each other and cause the vacuum to reveal on the one hand pulling in the solidification process, on the other hand influences the interior molten steel solidification quality of membrane shell, causes the blade qualification rate low, and is huge to equipment and enterprise's influence, then requires membrane shell elevating system to guarantee its levelness and dismantle the convenience of installation in installation and maintenance process.
SUMMERY OF THE UTILITY MODEL
The utility model realizes a three-coordinate installation and adjustment device for a vacuum precision casting furnace film shell lifting mechanism according to the defects of the prior art, and is characterized by comprising an X-axis moving device, a Y-axis moving device, a Z-axis lifting device, a support plate, a base, a support plate inner hole, a pre-embedded plate, a support table and a linear guide rail; the base is fixed on the pre-buried plate, the supporting plate is arranged on the base, the X-axis moving devices are arranged on the left side and the right side of the supporting plate, and the Y-axis moving devices are arranged on the front side and the rear side of the supporting plate; fixing the support table on the support plate; one end of the Z-axis lifting device is connected above the supporting platform; the other end of the Z-axis lifting device is provided with the linear guide rail.
Furthermore, the X-axis moving device also comprises an X-axis moving screw and an X-direction bracket; the X-direction support is fixed on the embedded plate, a threaded hole is formed in the position, opposite to the support plate, of the X-direction support, and an X-axis moving screw rod penetrates into the threaded hole; the Y-axis moving device also comprises a Y-axis moving screw and a Y-direction support; a Y-direction support is fixed on the pre-embedded plate, a threaded hole is formed in the position, opposite to the support plate, of the Y-direction support, and a Y-axis moving screw rod penetrates into the threaded hole; the Z-axis lifting device also comprises a support nut rod and a nut; and a support nut rod is connected between the support platform and the linear guide rail in a threaded manner, and 2 pairs of opposite nuts are arranged on the side, close to the linear guide rail, of the support nut rod.
Furthermore, the distance L between the support nut rod and the fastening bolt and the inner hole of the support plate is larger than the stroke Lx of the X-axis moving screw and the stroke Ly of the Y-axis moving screw, namely L is larger than Lx and L is larger than Ly.
Furthermore, a threaded hole is formed in the base, and a fastening bolt penetrates through an inner hole of the support plate formed in the support plate and is in threaded connection with the threaded hole formed in the base; a support frame is fixed on the support plate, and the linear guide rail is fixedly connected on the support frame by a bolt; the linear guide rail is movably connected with a sliding seat, a film shell lifting rod is fixed on the sliding seat, a casting mold tray is fixed on the upper end face of the film shell lifting rod, and the casting mold tray is arranged in the ingot casting chamber.
Further, the embedded plate is fixed in the pit.
The utility model has the technical effects that the compensation position size reaches the best state when mounting by adjusting the X-axis moving screw, the Y-axis moving screw and the support nut rod, after the installation of the membrane shell upgrading mechanism is completed, the level meter is placed on the plane of the casting mould tray to measure the X, Y direction levelness at any position and is less than 0.05mm, the position size when compensating and mounting can be quickly and efficiently reaches the best state, and the X, Y direction levelness is adjusted to be less than 0.05mm, the utility model has the advantages of compact structure, convenient use, safe and high efficiency operation, capability of avoiding the precision requirement of the position butt joint of structural parts when mounting, reduction of the labor intensity of workers, simplification of operation, improvement of the equipment mounting efficiency and guarantee of the equipment mounting quality; the utility model discloses a vacuum precision casting stove membrane shell elevating system three-dimensional installation adjusting device supports nut pole and fastening bolt and backup pad hole interval L and is greater than stroke Lx and the Y axle that the X axle removed the screw rod and removes screw rod stroke Ly, and L > Lx promptly, L > Ly to the protection supports nut pole and fastening bolt not by the harm. Linear guide lower extreme and brace table are connected fixedly through supporting nut pole, linear guide connects the membrane shell lifter, in the installation and maintenance in-process of linear guide and membrane shell lifter, need install and dismantle mechanisms such as craspedodrome guide, this kind of nut, screw rod structural connection is convenient for install and dismantle, just support nut pole and be equipped with 2 to relative nuts leaning on the linear guide side, this kind of two nut structures, prevent not hard up, improve fastening effect, assurance membrane shell elevating system's that can be better stability, ensure that equipment operation is reliable stable.
Drawings
FIG. 1: is a schematic structural diagram of the utility model;
FIG. 2: the utility model discloses an enlarged S position image;
FIG. 3: the utility model discloses an enlarged M position image;
FIG. 4: the utility model has an enlarged H position;
FIG. 5: the utility model discloses a A-A section view.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment shown in fig. 1 and 5 discloses a three-coordinate installation and adjustment device for a film shell lifting mechanism of a vacuum precision casting furnace, which comprises an X-axis moving device 100, a Y-axis moving device 200, a Z-axis lifting device 300, a supporting plate 4, a base 6, a supporting plate inner hole 41, a pre-embedded plate 42, a supporting table 7 and a linear guide rail 8; fixing a base 6 on the pre-buried plate 42, arranging a support plate 4 on the base 6, arranging X-axis moving devices 100 on the left side and the right side of the support plate 4, and arranging Y-axis moving devices 200 on the front side and the rear side of the support plate 4; a support table 7 is fixed on the support plate 4; one end of a Z-axis lifting device 300 is connected above the supporting platform 7; the other end of the Z-axis lifting device 300 is provided with a linear guide rail 8, so that the X-axis moving device 100, the Y-axis moving device 200 and the Z-axis lifting device 300 are adjusted; it reaches the optimum state to have realized backup pad 4 at X, Y, Z three direction compensation position size, after the installation of membrane shell upgrading mechanism is accomplished, the level gauge is placed on the plane and is measured optional position X, Y direction levelness and be less than 0.05mm on the mould tray, position size when can high efficiency compensation installation reaches the optimum state and adjusts X, Y direction levelness and be less than 0.05mm, compact structure has, high durability and convenient use, operation safety and high efficiency, the required precision of structure position butt joint when can avoiding installing, reduce workman's intensity of labour and simplify the operation simultaneously, not only improve equipment fixing efficiency, equipment fixing quality has still been guaranteed.
Referring to fig. 2, fig. 3, fig. 4, and fig. 5, in the embodiment, the X-axis moving device 100 further includes an X-axis moving screw 1 and an X-direction support 5; the X-direction support 5 is fixed on the pre-embedded plate 42, a threaded hole is formed in the position, opposite to the support plate 4, of the X-direction support 5, and an X-axis moving screw 1 penetrates into the threaded hole; the Y-axis moving device 200 further includes a Y-axis moving screw 2, a Y-direction support 51; a Y-direction support 51 is fixed on the pre-buried plate 42, a threaded hole is formed in the position, opposite to the support plate 4, of the Y-direction support 51, and a Y-axis moving screw 2 penetrates into the threaded hole; the Z-axis lifting device 300 further includes a support nut rod 71, a nut 8; a support nut rod 71 is screwed between the support base 7 and the linear guide 8, and 2 pairs of opposing nuts 72 are provided on the support nut rod 71 on the linear guide 8 side. The concrete structure of foretell X axle mobile device 100, Y axle mobile device 200, Z axle elevating gear 300 has realized that vacuum precision casting stove membrane shell elevating system three-dimensional installation adjusting device is in X direction, Y direction and Z direction, the adjustment of 3 directions, is the utility model discloses a basis.
In the present embodiment, the distance L between the support nut rod 71 and the fastening bolt 31 and the support plate inner hole 41 is larger than the stroke Lx of the X-axis moving screw and the stroke Ly of the Y-axis moving screw, i.e., L > Lx, L > Ly.
Referring to fig. 4 and 5, a base 6 is provided with a threaded hole, and a fastening bolt 31 passes through a support plate inner hole 41 provided on the support plate 4 and is in threaded connection with the threaded hole provided on the base 6; a support frame 9 is fixed on the support plate 4, and a linear guide rail 8 is fixedly connected on the support frame 9 by a bolt; a sliding seat 81 is movably connected on the linear guide rail 8, a film shell lifting rod 10 is fixed on the sliding seat 81, a casting mould tray 101 is fixed on the upper end surface of the film shell lifting rod 10, and the casting mould tray 101 is arranged in the ingot casting chamber 11. The embedment plate 42 is fixed in the pit 61.
In the implementation, when the single crystal precision casting furnace is installed, the embedded plate 42 is placed, the cement pouring pit 61 enters the cement maintenance period, according to design drawings, a support frame 9 and a support platform 7 are welded above a support plate 4 in advance, the support plate 4 fixes a base 6 and the support plate 4 above a base 6 through a fastening bolt 31, the base 6 is positioned, the support plate 4, the support frame 9 and the support platform 7 are placed in a pit 61, a bracket 5 is installed, the support table 7 is ensured to be butted with the support screw 71 of the straight guide rail 8 without position deviation by adjusting the X-axis moving screw 1 and the Y-axis moving screw 2, and then the membrane shell lifting rod 10 is installed, after the installation of the membrane shell upgrading mechanism is completed, a level meter is placed on the upper plane of the casting mould tray 101, the levelness requirement of X, Y direction at any position is measured to be less than 0.05mm by adjusting the Z-axis lifting screw 3, and the installation of the membrane shell lifting mechanism is completed.
As a preferred embodiment of the present invention, it is obvious to those skilled in the art that the present invention is not limited to the details of the above-described exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention, and that the scope of the present invention is also encompassed by the present invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. A three-coordinate installation and adjustment device for a film shell lifting mechanism of a vacuum precision casting furnace is characterized by comprising an X-axis moving device, a Y-axis moving device, a Z-axis lifting device, a supporting plate, a base, a supporting plate inner hole, an embedded plate, a supporting table and a linear guide rail; the base is fixed on the pre-buried plate, the supporting plate is arranged on the base, the X-axis moving devices are arranged on the left side and the right side of the supporting plate, and the Y-axis moving devices are arranged on the front side and the rear side of the supporting plate; fixing the support table on the support plate; one end of the Z-axis lifting device is connected above the supporting platform; the other end of the Z-axis lifting device is provided with the linear guide rail.
2. The three-coordinate installation and adjustment device for the lifting mechanism of the film shell of the vacuum precision casting furnace as claimed in claim 1, wherein the X-axis moving device further comprises an X-axis moving screw rod and an X-direction bracket; the X-direction support is fixed on the embedded plate, a threaded hole is formed in the position, opposite to the support plate, of the X-direction support, and an X-axis moving screw rod penetrates into the threaded hole; the Y-axis moving device also comprises a Y-axis moving screw and a Y-direction support; a Y-direction support is fixed on the pre-embedded plate, a threaded hole is formed in the position, opposite to the support plate, of the Y-direction support, and a Y-axis moving screw rod penetrates into the threaded hole; the Z-axis lifting device also comprises a support nut rod and a nut; and a support nut rod is connected between the support platform and the linear guide rail in a threaded manner, and 2 pairs of opposite nuts are arranged on the side, close to the linear guide rail, of the support nut rod.
3. The three-coordinate mounting and adjusting device of the lifting mechanism of the film shell of the vacuum precision casting furnace as claimed in claim 2, wherein the distance L between the supporting nut rod and the fastening bolt and the inner hole of the supporting plate is larger than the stroke Lx of the X-axis moving screw and the stroke Ly of the Y-axis moving screw, namely L is larger than Lx and L is larger than Ly.
4. The three-coordinate installation and adjustment device of the film shell lifting mechanism of the vacuum precision casting furnace as claimed in claim 1, wherein the base is provided with a threaded hole, and a fastening bolt passes through an inner hole of a support plate arranged on the support plate and is in threaded connection with the threaded hole arranged on the base; a support frame is fixed on the support plate, and the linear guide rail is fixedly connected on the support frame by a bolt; the linear guide rail is movably connected with a sliding seat, a film shell lifting rod is fixed on the sliding seat, a casting mold tray is fixed on the upper end face of the film shell lifting rod, and the casting mold tray is arranged in the ingot casting chamber.
5. The three-coordinate installation and adjustment device for the film shell lifting mechanism of the vacuum precision casting furnace as claimed in claim 1, wherein the pre-buried plate is fixed in the pit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202020403766.5U CN211713243U (en) | 2020-03-25 | 2020-03-25 | Three-coordinate installation adjusting device for film shell lifting mechanism of vacuum precision casting furnace |
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| CN202020403766.5U CN211713243U (en) | 2020-03-25 | 2020-03-25 | Three-coordinate installation adjusting device for film shell lifting mechanism of vacuum precision casting furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111304734A (en) * | 2020-03-25 | 2020-06-19 | 合智熔炼装备（上海）有限公司 | Three-coordinate installation adjusting device for film shell lifting mechanism of vacuum precision casting furnace |
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2020
- 2020-03-25 CN CN202020403766.5U patent/CN211713243U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111304734A (en) * | 2020-03-25 | 2020-06-19 | 合智熔炼装备（上海）有限公司 | Three-coordinate installation adjusting device for film shell lifting mechanism of vacuum precision casting furnace |
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