CN113118394B - Tool for placing wax mould of engine guide vane - Google Patents
Tool for placing wax mould of engine guide vane Download PDFInfo
- Publication number
- CN113118394B CN113118394B CN202110424996.9A CN202110424996A CN113118394B CN 113118394 B CN113118394 B CN 113118394B CN 202110424996 A CN202110424996 A CN 202110424996A CN 113118394 B CN113118394 B CN 113118394B
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- boss
- guide vane
- rod
- sleeve
- base
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C7/00—Patterns; Manufacture thereof so far as not provided for in other classes
- B22C7/02—Lost patterns
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Molds, Cores, And Manufacturing Methods Thereof (AREA)
Abstract
The invention discloses a placement tool for a wax mould of an engine guide vane, which comprises a base, wherein a left boss is fixed on the left end part of the base, and a left boss and a right boss which can move left and right are arranged on the base; the left side of the left boss is provided with a mounting plate, the mounting plate is connected with an adjustable rod through a fixing rod, a sleeve is fixed on the end part of the adjustable rod, a cross rod capable of moving left and right is arranged in the sleeve, a push rod is fixed on the cross rod, the push rod extends rightward from an opening of the sleeve and is connected with the left boss, and a spring is connected between the inner wall of the sleeve and the cross rod; the right side of right boss is equipped with the cylinder, and the telescopic link and the right boss fixed connection of cylinder, right boss left side remove and left boss involution form the brace table, and the brace table is used for supporting guide vane wax matrix. The invention sets the pressed wax pattern on the special base station tool for shaping and cooling, the size of the wax pattern is basically not deformed, and the stability of the size of the wax pattern of the guide vane is fundamentally ensured.
Description
The application is a divisional application of a patent with the application date of 2019, 12 months and 30 days, the patent application number of 201911388100.5 and the name of a placement device for a wax mould of an engine guide vane.
Technical Field
The invention relates to a molding process in the field of precision investment casting, in particular to a placing tool for a wax mold of an engine guide vane.
Background
Guide vanes are one of the important components of aircraft engines and gas turbines. The guide vane is composed of a vane body, a large flange plate and a small flange plate, the vane chord width is wide, the vane channel is long, the profile and the position of the vane body are required to be high, and the vane body is precisely cast without allowance. Therefore, how to control the dimensions of the blade without deformation is critical for investment casting. The wax pattern preparation is used as one of important procedures of investment precision casting, the dimensional accuracy of the wax pattern directly influences the dimensional accuracy of casting blanks, but is influenced by a plurality of factors such as the environment of a wax pattern workshop and the placement of the wax pattern, the control of the size of the wax pattern is very difficult, particularly the placement mode of the wax pattern is tested by various placement modes such as upward flat placement of a leaf basin, upward flat placement of a leaf back, vertical hanging placement and the like, and the deformation of the size of the wax pattern is large and the deformation rule is inconsistent. The method brings great trouble to the sizing correction and finishing polishing repair of the subsequent blank castings, and the sizes of the blank castings are difficult to ensure.
The pressed blade wax piece inevitably has shrinkage deformation in the cooling process, and in order to strengthen the control of the size of the guide blade wax mould, a reasonable wax mould placing mode is critical.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention aims to provide a placement tool for the wax mould of the guide vane of the engine, and the pressed wax mould is placed on the special tool for shaping and cooling, so that the dimensional stability of the wax mould of the guide vane is fundamentally ensured.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme:
put frock of engine guide vane wax matrix, its characterized in that: the device comprises a base station, wherein the base station is used for placing a guide vane wax pattern; a side boss connected with the left end part of the upper plane of the base is fixed on the left end part of the upper plane of the base, the side boss forms a step-shaped structure from outside to inside, and the outer step of the side boss is higher than the inner step; the device comprises a base, a left boss, a right boss, a transverse rod, a push rod, a spring, a fixing rod, a sleeve, a fixing rod, an adjustable rod, a sleeve and a sleeve, wherein the front side and the rear side of the upper plane of the base are respectively provided with a track arranged along the left-right direction; the right side of right boss is equipped with the cylinder, and the telescopic link of cylinder is towards right boss and with right boss fixed connection, right boss moves left and with left boss involutes and form the brace table, and the brace table is used for supporting the blade body of guide vane wax matrix, and the upper surface of brace table and the corresponding cross-section profile contact laminating of blade body of blade wax matrix.
Preferably, the size of the working surface of the guide vane wax pattern placed on the base is determined according to the actual shrinkage of the guide vane wax pattern, i.e. the working surface size is the same as or slightly longer than the length size of the guide vane wax pattern.
Preferably, the height dimensions of the left boss and the right boss of the supporting table are equal to the tangential heights of the corresponding sections of the blade body of the guide blade wax mould.
Preferably, the supporting table formed by the butt joint of the left boss and the right boss is arranged at the middle position of the blade body of the guide blade wax mould.
Preferably, a bottom plate is arranged below the base station, and the upper plane of the bottom plate and the lower plane of the base station are fixedly connected into an integrated structure.
Preferably, the sleeve is internally provided with slide ways along the left-right direction at two ends corresponding to the cross bars, and the cross bars capable of moving left and right are slidably arranged on the slide ways.
Preferably, the adjustable rod is provided with an opening, and the adjustable rod is installed with any one of the installation holes on the fixed rod through the opening.
Preferably, a rubber pad is arranged on the end part of the push rod extending out of the sleeve opening.
Preferably, the telescopic link tip of cylinder is fixed with one deck connection inner liner, through connecting inner liner and right boss fixed connection.
Preferably, the base, the side boss, the left boss and the right boss are all made of polystyrene rigid foam.
If the wax mould placing device is not used in the operation, the foundation, the side bosses and the supporting table are not utilized, and the leaf basin is directly placed upwards, so that the influence of the self weight can be exerted, and the middle of the wax mould leaf body can be depressed, collapsed and deformed.
(III) beneficial effects
The invention provides a placing tool for a wax mould of an engine guide vane. The beneficial effects are as follows:
the invention sets the pressed wax pattern on the special base station tool for shaping and cooling, the size of the wax pattern is basically not deformed, and the stability of the size of the wax pattern of the guide vane is fundamentally ensured. The size deformation of the produced casting blank is small, the correction is almost not needed, the size requirement of the casting blank drawing can be met through a small amount of finishing and polishing, and meanwhile, the labor intensity of the post-treatment process is greatly reduced.
According to the invention, the left boss can be adjusted by the adjusting rod, the sleeve, the push rod, the transverse rod capable of moving left and right, the spring and the adjusting position, the right boss can be adjusted by the air cylinder, the left boss and the right boss are combined to form the supporting table for supporting the blade body of the guide blade wax mould, and the adjusting is convenient and simple, and the practicability is strong.
Drawings
FIG. 1 is a top view of a placement tool for an engine guide vane wax pattern of the present invention;
FIG. 2 is a front view of a tooling for placing a wax pattern of an engine guide vane in accordance with the present invention;
FIG. 3 is an enlarged view of a portion of the placement tooling for the engine guide vane wax pattern of FIG. 1.
In the figure: base 1, side boss 2, front side track 3, rear side track 4, boss 5, right boss 6, mounting plate 7, dead lever 8, mounting hole 9, adjustable pole 10, sleeve 11, opening 12, horizontal pole 13, push rod 14, spring 15, cylinder 16, bottom plate 17, slide 18, trompil 19 on the adjustable pole, rubber pad 20, connection inner liner 21, guide vane wax matrix 22.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the present invention provides a technical solution:
the placing tool of the engine guide vane wax mould comprises a base table 1 made of polystyrene rigid foam, wherein the base table is used for placing a guide vane wax mould 22; a side boss 2 connected with the left end part of the upper plane of the base 1 into an integral structure is fixed on the left end part of the upper plane of the base 1, the side boss 2 forms a step-shaped structure from outside to inside, and the outer step of the side boss is higher than the inner step; the front side and the rear side of the upper plane of the base 1 are respectively provided with rails 3 and 4 which are arranged along the left-right direction, a left boss 5 and a right boss 6 are arranged between the rails 3 and 4 on the front side and the rear side, the left boss and the right boss can move along the left-right direction on the rails 3 and 4, the left side of the left boss 5 is provided with a mounting plate 7 which is fixed on the base, the side surface of the mounting plate, which faces the left boss, is fixedly provided with a fixed rod 8, the fixed rod is provided with a plurality of mounting holes 9 which are arranged in parallel along the left-right direction, the fixed rod also comprises an adjustable rod 10, the adjustable rod 10 is connected with the fixed rod 8 through being mounted with any one mounting hole, the end part of the adjustable rod 10 is fixedly provided with a sleeve 11, the end surface of the sleeve, which faces the left boss, a transverse rod 13 which can move left and right is arranged in the sleeve, one end of the push rod 14 extends from the opening 12 of the sleeve to the right and is fixedly connected with the left boss 5, and a spring 15 is connected between the inner wall of the sleeve 11 and the transverse rod 13; the right side of right boss 6 is equipped with cylinder 16, and the telescopic link of cylinder is towards right boss and with right boss fixed connection, right boss 6 left side remove and with left boss 5 involution form the brace table, the brace table is used for supporting the blade body of guide vane wax matrix, and the upper surface of brace table just in time with the corresponding cross-section profile contact laminating of blade body of blade wax matrix.
Further, the working surface dimension L of the guide vane wax pattern 22 placed on the base 1 is determined according to the actual shrinkage of the guide vane wax pattern, i.e., the working surface dimension is the same as or slightly longer than the length dimension of the guide vane wax pattern.
Further, the height dimension of the left boss 5 and the right boss 6 of the supporting table is equal to the tangential height of the corresponding section of the blade body of the guide blade wax mould (22).
Further, a supporting table formed by combining the left boss 5 and the right boss 6 is arranged at the middle position of the blade body of the guide blade wax mould (22).
Further, a bottom plate 17 is arranged below the base 1, and the upper plane of the bottom plate 17 and the lower plane of the base 1 are fixedly connected into an integral structure.
Further, slide ways 18 along the left-right direction are respectively arranged at the two ends of the sleeve 11 corresponding to the cross bars 13, and the cross bars 13 which can move left and right are slidably arranged on the slide ways 18.
Further, an opening 19 is provided on the adjustable rod 10, and the adjustable rod is mounted with any mounting hole 9 on the fixed rod through the opening 19.
Further, the end of the push rod 14 extending from the opening of the sleeve is provided with a rubber pad 20.
Further, a layer of connecting lining layer 21 is fixed at the end part of the telescopic rod of the air cylinder 16, and the telescopic rod is fixedly connected with the right boss 6 through the connecting lining layer 21.
Furthermore, the base 1, the side boss 2, the left boss 5 and the right boss 6 are all made of polystyrene rigid foam.
The working principle of the invention is as follows:
the positions of the left boss 5 and the right boss 6 are adjusted according to the length of the blade body of the guide blade wax mould 22, so that the combined supporting table is just adjusted at the middle position of the blade body. Because the center positions of the blade bodies with different lengths are different, the positions of the left boss 5 and the right boss 6 need to be finely adjusted. Firstly, because the adjustable rod 10 is provided with only one opening 19, the fixed rod 8 is provided with a plurality of mounting holes 9 which are arranged in parallel along the left-right direction, a mounting hole 9 at the most suitable position is selected, then the adjustable rod 10 is fixedly arranged with the mounting hole 9 at the most suitable position to be connected with the fixed rod 8, thus the position of the left boss 5 is adjusted by adjusting the adjustable rod 10, then the right boss 6 is pushed by a cylinder piston rod to move leftwards to be close to the left boss 5, and the left boss 5 and the right boss 6 are combined to form a supporting table;
in addition, only the right boss 6 is required to move leftwards continuously to push the left boss 5, and the left boss 5 can be subjected to leftwards fine adjustment through the push rod 14, the transverse rod 13 capable of moving leftwards and rightwards, the spring 15 and the sleeve 11.
In actual operation, after the position of the supporting table is adjusted by using the invention, the guide vane wax pattern 22 to be placed is placed on the base table 1, the vane basin of the guide vane wax pattern 22 is horizontally placed upwards, meanwhile, the upper plane of the base table 1 is used as a reference plane, the large and small marginal plates of the guide vane wax pattern 22 are respectively arranged at the left and right ends of the upper plane of the base table 1, and the placing bottom surfaces of the large and small marginal plates are attached to the upper plane of the base table 1; the small flange plate of the guide vane wax pattern 22 is arranged at a position close to the side boss 2, the inner side wall of the side boss 2 is used as a side reference surface, the end surface of the small flange plate is attached to the side reference surface, and the blade body of the guide vane wax pattern 22 is just attached to the supporting table.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a put frock of engine guide vane wax matrix which characterized in that: the device comprises a base (1), wherein a side boss (2) connected with the base into a whole is fixed on the left end part of the upper plane of the base (1), the side boss (2) forms a step-shaped structure from outside to inside, and the outer step of the side boss is higher than the inner step; rails (3, 4) arranged along the left-right direction are respectively arranged on the front side and the rear side of the upper plane of the base station (1), a left boss (5) and a right boss (6) are arranged between the rails (3, 4) on the front side and the rear side, and the left boss and the right boss can move along the left-right direction on the rails (3, 4); the left side of the left boss (5) is provided with a mounting plate (7) fixed on the base, a fixing rod (8) is fixed on the side surface of the mounting plate (7) facing the left boss (5), and a plurality of mounting holes (9) which are arranged in parallel along the left-right direction are formed in the fixing rod (8); the adjustable rod is connected to the fixed rod (8) through any one of the mounting holes (9), a sleeve (11) is fixed to the end portion of the adjustable rod (10), an opening (12) is formed in the end face, facing the left boss (5), of the sleeve (11), a transverse rod (13) capable of moving left and right is arranged in the sleeve (11), a push rod (14) is fixedly connected to the transverse rod (13), one end of the push rod (14) extends out of the opening (12) of the sleeve to extend right and is fixedly connected with the left boss (5), and a spring (15) is connected between the inner wall of the sleeve (11) and the transverse rod (13); the right side of the right boss (6) is provided with an air cylinder (16), a telescopic rod of the air cylinder (16) faces the right boss (6) and is fixedly connected with the right boss (6), the right boss (6) moves leftwards and is combined with the left boss (5) to form a supporting table, the supporting table is used for supporting a blade body of the guide vane wax mould (22), and the upper surface of the supporting table is in contact fit with a corresponding section profile of the blade body of the guide vane wax mould (22); the utility model discloses a telescopic device for the automobile engine, including base station (1), telescopic link tip, inner liner (21) is connected to the lower plane of base station (1), base station (1) below is equipped with bottom plate (17), the upper plane of bottom plate (17) and the lower plane fixed connection of base station (1) become integrated structure, the both ends position that corresponds horizontal pole (13) in sleeve (11) are equipped with slide (18) along left and right directions respectively, but horizontal pole (13) slidable mounting of left and right movement is on slide (18), be equipped with a trompil (19) on adjustable pole (10), install through arbitrary mounting hole (9) on trompil and dead lever (8), telescopic link tip of cylinder (16) is fixed with one deck connection inner liner (21), through connecting inner liner and right boss (6) fixed connection.
2. The placement fixture for the engine guide vane wax pattern of claim 1, wherein: the height dimensions of the left boss (5) and the right boss (6) of the supporting table are equal to the tangential heights of the corresponding sections of the blade bodies of the guide blade wax mould.
3. The placement fixture for the engine guide vane wax pattern of claim 1, wherein: the supporting table which is formed by the butt joint of the left boss (5) and the right boss (6) is arranged at the middle position of the blade body of the guide blade wax mould.
4. The placement fixture for the engine guide vane wax pattern of claim 1, wherein: the end of the push rod (14) extending out of the sleeve opening (12) is provided with a rubber pad (20).
5. The placement fixture for the engine guide vane wax pattern of claim 1, wherein: the base (1), the side bosses (2), the left bosses (5) and the right bosses (6) are all made of polystyrene rigid foam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110424996.9A CN113118394B (en) | 2019-12-30 | 2019-12-30 | Tool for placing wax mould of engine guide vane |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911388100.5A CN110961574B (en) | 2019-12-30 | 2019-12-30 | Placer of engine guide vane wax matrix |
| CN202110424996.9A CN113118394B (en) | 2019-12-30 | 2019-12-30 | Tool for placing wax mould of engine guide vane |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911388100.5A Division CN110961574B (en) | 2019-12-30 | 2019-12-30 | Placer of engine guide vane wax matrix |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113118394A CN113118394A (en) | 2021-07-16 |
| CN113118394B true CN113118394B (en) | 2023-05-26 |
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911388100.5A Active CN110961574B (en) | 2019-12-30 | 2019-12-30 | Placer of engine guide vane wax matrix |
| CN202110424996.9A Active CN113118394B (en) | 2019-12-30 | 2019-12-30 | Tool for placing wax mould of engine guide vane |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911388100.5A Active CN110961574B (en) | 2019-12-30 | 2019-12-30 | Placer of engine guide vane wax matrix |
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| Country | Link |
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| CN (2) | CN110961574B (en) |
Citations (5)
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| CN104209457A (en) * | 2014-09-02 | 2014-12-17 | 西安航空动力股份有限公司 | Tool and method for preventing deformation of blade wax pattern |
| CN107803462A (en) * | 2017-12-12 | 2018-03-16 | 安徽应流集团霍山铸造有限公司 | A kind of casting wax mould assembled tool |
| CN207372234U (en) * | 2017-11-06 | 2018-05-18 | 东方电气集团东方汽轮机有限公司 | Blade investment pattern precision casting wax-pattern setting tooling |
| CN109277523A (en) * | 2018-11-28 | 2019-01-29 | 贵州安吉航空精密铸造有限责任公司 | A kind of loose tool and its application method of the wax-pattern part deformation for controlling polymorphic structure |
| CN109590434A (en) * | 2018-12-25 | 2019-04-09 | 航天海鹰(哈尔滨)钛业有限公司 | A kind of wax-pattern splicing tooling for titanium investment precision casting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US7270166B2 (en) * | 2004-06-28 | 2007-09-18 | Howmet Corporation | Fugitive pattern assembly and method |
| CN104525853B (en) * | 2014-11-11 | 2016-08-24 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of method eliminating the deformation of ultra-thin elongated moving turbine blade wax-pattern |
| CN106475516A (en) * | 2016-12-17 | 2017-03-08 | 池州市华兴天骑精密机械铸造有限公司 | A kind of special apparatus for placing of lost wax casting dewaxing |
| CN208469885U (en) * | 2018-06-06 | 2019-02-05 | 恒铸（襄阳）机械有限公司 | A kind of dedicated apparatus for placing of lost wax casting dewaxing |
| CN109465385B (en) * | 2018-12-04 | 2020-09-04 | 中国航发沈阳黎明航空发动机有限责任公司 | No-allowance blade wax mold state correction detection tool |
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2019
- 2019-12-30 CN CN201911388100.5A patent/CN110961574B/en active Active
- 2019-12-30 CN CN202110424996.9A patent/CN113118394B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104209457A (en) * | 2014-09-02 | 2014-12-17 | 西安航空动力股份有限公司 | Tool and method for preventing deformation of blade wax pattern |
| CN207372234U (en) * | 2017-11-06 | 2018-05-18 | 东方电气集团东方汽轮机有限公司 | Blade investment pattern precision casting wax-pattern setting tooling |
| CN107803462A (en) * | 2017-12-12 | 2018-03-16 | 安徽应流集团霍山铸造有限公司 | A kind of casting wax mould assembled tool |
| CN109277523A (en) * | 2018-11-28 | 2019-01-29 | 贵州安吉航空精密铸造有限责任公司 | A kind of loose tool and its application method of the wax-pattern part deformation for controlling polymorphic structure |
| CN109590434A (en) * | 2018-12-25 | 2019-04-09 | 航天海鹰(哈尔滨)钛业有限公司 | A kind of wax-pattern splicing tooling for titanium investment precision casting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110961574B (en) | 2021-05-14 |
| CN113118394A (en) | 2021-07-16 |
| CN110961574A (en) | 2020-04-07 |
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