CN112605348B - Adjustable investment pattern repairing mold for investment casting - Google Patents
Adjustable investment pattern repairing mold for investment casting Download PDFInfo
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- CN112605348B CN112605348B CN202011467154.3A CN202011467154A CN112605348B CN 112605348 B CN112605348 B CN 112605348B CN 202011467154 A CN202011467154 A CN 202011467154A CN 112605348 B CN112605348 B CN 112605348B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C23/00—Tools; Devices not mentioned before for moulding
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- 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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/02—Sand moulds or like moulds for shaped castings
- B22C9/04—Use of lost patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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- Molds, Cores, And Manufacturing Methods Thereof (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention provides an adjustable investment repair mould for investment precision casting, which relates to the technical field of casting and comprises the following components: the device comprises an upper vertical frame and a lower vertical frame, wherein the upper vertical frame and the lower vertical frame respectively comprise a trimming end close to one end and a supporting end far away from one end; the upper vertical frame and the lower vertical frame are vertically and detachably assembled symmetrically through a central connecting mechanism; the upper flange plate is arranged at the trimming end of the upper vertical frame, and the lower flange plate is arranged at the trimming end of the lower vertical frame; the edge of the upper flange plate and the edge of the lower flange plate are provided with clamping mechanisms used for fixing the melting mold. In the technical scheme, when the investment pattern needs to be trimmed at different positions, particularly when the investment pattern is located at the bottom or the bottom surface, the position of the investment pattern to be trimmed can be located above by exchanging the repairing mold up and down, and the position of the investment pattern to be trimmed faces workers, so that the position to be trimmed can be trimmed conveniently. Therefore, the repair die can be randomly exchanged up and down according to requirements, and has more flexible operation space.
Description
Technical Field
The invention relates to the technical field of casting, in particular to an adjustable investment repair mold for investment precision casting.
Background
Investment precision casting is a method which adopts wax to make a model, forms a shell after coating a plurality of layers of refractory coatings on the model, melts out the model, pours molten metal into the shell after high-temperature roasting and ceramization, and cools and solidifies the shell to obtain a casting. Because the casting shell is prepared according to the investment, the quality and the dimensional accuracy of the investment directly influence the quality and the dimensional accuracy of a casting. For a large-scale fusible pattern, the fusible pattern is generally prepared by manufacturing a local fusible pattern in a partitioning manner and then assembling and welding the local fusible pattern. After the block fired mold is assembled and welded into a whole, in order to ensure the accuracy of the shape and the size of the whole fired mold, the size of the whole fired mold needs to be detected and corresponding local repair needs to be carried out, including removal of parting lines and flow marks on the fired mold, repair of concave and convex surfaces, repair of sizes and the like. The investment pattern is required to be trimmed in all directions and all angles in the trimming process, the local size of the investment pattern is required to be observed at any time in the repairing process, corresponding tooling is required to be used for matching, particularly for a large-sized investment pattern, the investment pattern is very easy to damage or local surface cracking when the front and back of the investment pattern are turned over, and in order to ensure the convenience of overall investment pattern wax trimming and the long-term preservation of the overall investment pattern without deformation, the design of a corresponding mold is one of the best methods at present. For example, utility model patent No. 201621377469.8, entitled orthopedic tool for titanium alloy case type investment mold, includes a fixing mechanism and a rotating mechanism, and this tool can realize that the investment mold is kept flat or inclined for a certain angle when repairing the mold, but can not realize the turnover of the investment mold, so it is also very inconvenient when repairing the investment mold.
Disclosure of Invention
The invention aims to provide an adjustable investment repair mold for investment precision casting, which aims to solve the technical problem of inconvenience in investment dressing in the prior art.
The invention provides an adjustable investment repair mould for investment precision casting, which comprises:
the device comprises an upper vertical frame and a lower vertical frame, wherein the upper vertical frame and the lower vertical frame respectively comprise a trimming end close to one end of each other and a supporting end far away from one end of each other;
the upper vertical frame and the lower vertical frame are assembled in a vertically detachable and symmetrical mode through the central connecting mechanism;
the upper flange plate is arranged at the trimming end of the upper vertical frame, and the lower flange plate is arranged at the trimming end of the lower vertical frame; and the edges of the upper flange plate and the lower flange plate are provided with clamping mechanisms for fixing the melting mold.
Furthermore, the central connecting mechanism comprises a central pin shaft, a positioning cylinder and a gasket, and the positioning cylinder is sleeved on the central pin shaft; the gasket is rotatably assembled with one end of the center pin shaft, the upper flange plate is fixedly assembled with the gasket, and the lower flange plate is rotatably assembled with the other end of the center pin shaft.
Furthermore, a circle of assembling groove is formed in the side wall of the positioning cylinder along the circumferential direction, and a limiting cantilever is assembled in the assembling groove; one end of the limiting cantilever is fixedly assembled in the assembling groove, and the other end of the limiting cantilever is suspended outwards along the radial direction of the positioning cylinder.
Furthermore, the limiting cantilever comprises a cantilever end, an assembling end and a fixing nut, the assembling end is installed in the assembling groove in a matched mode, and the cantilever end is movably assembled on the assembling end through the fixing nut so that the cantilever end can be changed according to the shape and the size of the inner cavity of the investment mold.
Furthermore, the central connecting mechanism further comprises a circumference detection rod, and the circumference detection rod comprises a fixed shaft, a detection cantilever perpendicular to the fixed shaft and a detection rod; one end of the detection cantilever is fixedly assembled with the fixed shaft, and the other end of the detection cantilever is outwards suspended along the radial direction of the positioning cylinder; the middle of the detection cantilever is provided with a mounting groove, and the detection rod is movably mounted in the mounting groove; and the detection cantilever is provided with size scales.
Further, a receiving gap is formed between the gasket and the positioning barrel.
Furthermore, a plurality of loose piece mounting holes are formed in the upper flange plate and the lower flange plate, and adjusting loose pieces are movably assembled in the loose piece mounting holes.
Furthermore, the upper vertical frame and the lower vertical frame both comprise a bottom frame, a support frame and a storage disc, and the storage disc is supported and fixed on the bottom frame through the support frame; the bottom frame forms the supporting end, and the object placing disc forms the trimming end.
Furthermore, at least one finishing through hole is formed in the upper flange plate and/or the lower flange plate and the corresponding object placing plate.
Further, the method also comprises the following steps:
the first roller mechanism is arranged at the supporting end of the upper vertical frame, and the second roller mechanism is arranged at the supporting end of the lower vertical frame.
In the technical scheme, when different positions of the investment pattern need to be trimmed, especially when the trimming position is located at the bottom or bottom surface of the investment pattern, the repairing mold can be completely exchanged up and down, so that the position of the investment pattern to be trimmed can be located above, and facing workers can conveniently trim the position to be trimmed. Meanwhile, the central connecting mechanism is matched with a clamping mechanism and a positioning movable block on the upper flange plate or the lower flange plate, so that the size positioning of the melting mold is realized in the X-axis direction, the Y-axis direction and the Z-axis direction; the inner cavity of the fusible pattern and a special structure are supported in the splicing, combined welding, placing and repairing processes of the fusible pattern through the limiting cantilever, and the size precision of the fusible pattern in the splicing and repairing processes is guaranteed. Therefore, the repair die can be changed up and down according to the requirements at will under the condition of ensuring the dimensional accuracy, has more flexible operation space and is convenient for the trimming of the investment pattern.
The invention has the advantages that:
1) The mould can be changed in position from top to bottom as required, has more flexible operation space, and facilitates the trimming of the investment pattern. For a large-scale investment pattern, the conditions of surface cracking and breakage of the local position of the investment pattern in the overturning process can be prevented.
2) The positioning of the X-axis and Y-axis directions of the investment pattern can be realized through the clamping mechanism 6 of the upper flange plate 4 or the lower flange plate 5 and the adjusting loose piece 42, the positioning of the Z-axis direction of the investment pattern can be realized through the central connecting mechanism 3, and the size precision of the investment pattern is ensured.
3) When the fired mold is fixed between upper flange plate 4 and lower flange plate 5, spacing cantilever 35 can also stretch into in the corresponding sunken position of fired mold, thereby form spacing fixed effect to the fired mold in the inside of fired mold, this spacing cantilever 35 mainly can keep the stability of fired mold when changing the position from top to bottom at this repair mould, prevent the local fracture of fired mold, perhaps carry out the position to fired mold concatenation position when components of a whole that can function independently fired mold welding and prescribe a limit to prevent fired mold concatenation deformation, perhaps provide the support to the fired mold inner chamber when fired mold restoration and place and prevent the fired mold deformation. Therefore, the clamping mechanism 6 and the limiting cantilever 35 are matched and fixed, so that the investment pattern can have good stability when the position of the repair mould is changed up and down.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a perspective view of a repair mold provided in accordance with one embodiment of the present invention;
FIG. 2 is a perspective view of a lower stand provided in accordance with one embodiment of the present invention;
FIG. 3 is a plan view of an upper flange and investment mating surface provided in accordance with one embodiment of the present invention;
FIG. 4 is a plan view of the mating surfaces of the upper flange and the object-holding plate provided in accordance with one embodiment of the present invention;
FIG. 5 is a perspective view of a center connection provided in accordance with one embodiment of the present invention;
fig. 6 is a plan view of a retaining cantilever according to an embodiment of the present invention.
Reference numerals:
1. an upper vertical frame; 2. a lower vertical frame; 3. a central connection mechanism; 4. an upper flange plate; 5. a lower flange plate; 6. a clamping mechanism; 7. a first roller mechanism; 8. a second roller mechanism; 11. a bottom frame; 12. a support frame; 13. placing a tray; 14. reinforcing the shaft; 15. reinforcing ribs; 16. trimming the through hole; 31. a center pin; 32. a positioning cylinder; 33. a gasket; 34. assembling the groove; 35. limiting the cantilever; 35-1, cantilever end; 35-2, an assembly end; 35-3, fixing a nut; 36. a circumferential degree detection lever; 37. a fixed shaft; 38. detecting the cantilever; 39. a storage gap; 40. a detection lever; 41. a loose piece mounting hole; 42. adjusting the loose piece; 43. and (4) mounting the groove.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
As shown in fig. 1 to 4, the present embodiment provides an adjustable investment repair mold for investment casting, including:
the device comprises an upper vertical frame 1 and a lower vertical frame 2, wherein the upper vertical frame 1 and the lower vertical frame 2 respectively comprise a trimming end close to one end of each other and a supporting end far away from one end of each other;
the upper vertical frame 1 and the lower vertical frame 2 are symmetrically assembled in a vertically detachable mode through the central connecting mechanism 3;
the upper flange plate 4 is arranged at the trimming end of the upper vertical frame 1, and the lower flange plate 5 is arranged at the trimming end of the lower vertical frame 2; and the edges of the upper flange plate 4 and the lower flange plate 5 are provided with clamping mechanisms 6 for fixing the melting mold.
Referring to fig. 1, the repair mold is composed of an upper vertical frame 1 and a lower vertical frame 2 which are symmetrical up and down, a melting mold can be placed between an upper flange 4 and a lower flange 5 of the upper vertical frame 1 and the lower vertical frame 2, and the surface structures of the upper flange 4 and the lower flange 5 can be correspondingly arranged according to the surface structure of the melting mold, so that the melting mold can be more stably and reliably assembled between the upper flange 4 and the lower flange 5. When repairing the fired mold, can exchange about being fixed with the repair mould of fired mold as required, the last grudging post 1 that originally is located the top exchanges to the top of grudging post 2 down, the lower grudging post 2 that originally is located the below exchanges the top to grudging post 1, so, when the different positions of fired mold are maintained to needs, especially when the position of repairing is located fired mold bottom or bottom surface position, can exchange about through repairing the mould is whole, and then make the fired mold treat that the position of repairing can be in the top, face the staff, this alright in order conveniently to treat the position of repairing and repair. Meanwhile, for a large-scale investment pattern, the conditions of surface cracking and damage of the local position of the investment pattern in the overturning process can be prevented.
The repair die can be changed in position from top to bottom randomly according to requirements, has a more flexible operation space, and facilitates the trimming of the investment pattern. When the investment pattern is fixed between the upper flange plate 4 and the lower flange plate 5, the investment pattern can be clamped and fixed by adopting the clamping mechanism 6, the investment pattern can be fixed when the investment pattern is trimmed, the trimming process is smoother, the stability of the investment pattern can be kept when the upper position and the lower position of the repair mold are replaced, and the looseness and slippage dislocation of the investment pattern in the process of replacing the positions of the repair mold from top to bottom are prevented.
Specifically, as shown in fig. 1 to 5, one or both of the upper stand 1 and the lower stand 2 are used in combination with the central connecting mechanism 3, and when the upper stand 1 or the lower stand 2 is used in combination with the central connecting mechanism 3, the object placing plate 13 may be adjusted to incline to the non-fixed side at a certain angle, so as to drive the melting mold mounted on the upper flange 4 or the lower flange 5 on the object placing plate 13 to incline at the same time, thereby facilitating the repair of the melting mold. When the object placing disc 13 inclines, the upper vertical frame 1 or the lower vertical frame 2 and the central connecting mechanism 3 are combined for use, so that the situation that local stress of the melting mold is overlarge and local cracking occurs when the melting mold inclines can be prevented. The X-axis and Y-axis directions of the investment pattern can be positioned through the clamping mechanism 6 and the adjusting loose block 42 of the upper flange plate 4 or the lower flange plate 5, the Z-axis direction of the investment pattern can be positioned through the central connecting mechanism 3, and the size precision of the investment pattern is ensured.
Referring to fig. 5, the center connection mechanism 3 includes a center pin 31, a positioning cylinder 32 and a gasket 33, wherein the positioning cylinder 32 is sleeved on the center pin 31; the gasket 33 is rotatably assembled with one end of the center pin 31, the upper flange 4 is fixedly assembled with the gasket 33, and the lower flange 5 is rotatably assembled with the other end of the center pin 31. At this time, the upper flange 4 and the spacer 33 are rotatable with respect to the center pin 31, and the lower flange 5 is also rotatable with respect to the center pin 31. Therefore, when the melting mold is fixed between the upper flange plate 4 and the lower flange plate 5, the upper flange plate 4 and the lower flange plate 5 can rotate in the circumferential direction along with the rotation of the upper flange plate 4 and the lower flange plate 5 relative to the central pin shaft 31 to adjust the orientation, so that the trimming of the melting mold is facilitated.
The positioning cylinder 32 has a certain dead weight and is installed on the central pin shaft 31 in a sleeving manner, so that the position of the bottom of the investment pattern close to the positioning cylinder 32 can be pressed below the positioning cylinder 32, and when the investment pattern is inclined, the influence of the center deviation of the investment pattern on the structural stability and the local cracking can be effectively relieved. Referring to fig. 5, a circle of assembling grooves are formed in the side wall of the positioning cylinder along the circumferential direction, and limiting cantilevers are assembled in the assembling grooves; one end of the limiting cantilever is fixedly assembled in the assembling groove, and the other end of the limiting cantilever is suspended outwards along the radial direction of the positioning cylinder. The limiting cantilever comprises a cantilever end, an assembling end and a fixing nut, the assembling end is matched with the assembling groove, the cantilever end is movably assembled on the assembling end through the fixing nut, and therefore the proper cantilever end can be changed according to the shape and the size of an inner cavity of the investment mold.
Therefore, when the investment is fixed between the upper flange plate 4 and the lower flange plate 5, the limiting cantilever 35 can also stretch into the corresponding sunken part of the investment, thereby forming a limiting fixing effect on the investment in the interior of the investment, the limiting cantilever 35 can mainly keep the stability of the investment when the position of the investment is changed up and down in the repair mold, the local cracking of the investment is prevented, or the position of the investment splicing position is limited to prevent the splicing deformation of the investment when the split investment is welded, or the inner cavity of the investment is supported to prevent the deformation of the investment when the investment is repaired and placed. Therefore, the clamping mechanism 6 and the limiting cantilever 35 are matched and fixed, so that the investment pattern can have good stability when the position of the repair mould is changed up and down.
Specifically, for the blocking fired mold to be spliced, after the fired mold is placed on the upper flange plate or the lower flange plate according to the splicing position, the limiting cantilever is adjusted to the splicing seam between the fired mold, the splicing seam position of the inner cavity of the fired mold is limited according to the drawing size, and the situation that the splicing position is deformed when the large blocking fired mold is spliced and welded is prevented. For the spliced integral melting mold, after the melting mold is placed on the upper flange plate or the lower flange plate, the inner cavity of the melting mold and a special structure of the melting mold are supported by the limiting cantilever, so that deformation in the placing process is prevented.
Referring to fig. 6, the center connection mechanism further includes a circumference detecting lever 36, and the circumference detecting lever 36 includes a fixed shaft 37, a detecting arm 38 perpendicular to the fixed shaft 37, and a detecting lever 40; one end of the detection cantilever 38 is fixedly assembled with the fixed shaft 37, and the other end of the detection cantilever 38 is suspended outwards along the radial direction of the positioning cylinder 32; the middle of the detection cantilever 38 is provided with an installation groove 43, and the detection rod 40 is movably installed in the installation groove 43, so that the detection rod can slide along the installation groove 43; the detection cantilever 38 is provided with size scales, and after the position of the detection rod 40 is fixed, the size data of the investment can be read through the scales, so that the size of the investment can be repaired conveniently according to the size data.
The upper stand 1 or the lower stand 2 is used in combination with the center link 3, and a circumferential degree detecting lever 36 can be attached to the center link 3. At this time, when the fusible pattern is fixed to the upper flange 4 or the lower flange 5, the detecting arm 38 can rotate circumferentially along the fixed shaft 37. After the detection rod 40 is fixed in position according to the size scale on the detection cantilever 38, the circumference detection rod 36 is rotated, and the diameter size and the circumference of the annular melting mold can be detected by using the detection rod 40 to determine whether the diameter size and the circumference of the annular melting mold meet the requirements. The size of the local structure of the investment is measured by the detection rod 40, so that the accuracy of assembling the investment is kept after the investment is assembled into an integral investment by a plurality of blocked investments. Referring to fig. 5, the spacer 33 and the positioning cylinder 32 have a receiving gap 39 therebetween. The accommodating gap 39 is a space for accommodating part of the structure of the melting mold, so that when the melting mold is fixed between the upper flange 4 and the lower flange 5, the corresponding thickness part of the melting mold can extend into the accommodating gap 39, so that the melting mold is further fixed, and the fixing firmness of the melting mold is improved.
Referring to fig. 3 and 4, a plurality of loose piece mounting holes 41 are respectively formed on the upper flange plate 4 and the lower flange plate 5, and an adjusting loose piece 42 is movably assembled in each loose piece mounting hole 41. The loose piece mounting hole 41 can allow the adjusting loose piece 42 in the hole to reciprocate along the direction of the hole depth, and can form clamping fit with the melting mold along with the reciprocating movement of the adjusting loose piece 42. Therefore, after the melting mold is fixed, the corresponding adjusting loose piece 42 can be pushed to move in the hole depth direction of the loose piece mounting hole 41 according to the surface structure of the melting mold, so that the adjusting loose piece 42 can be contacted with the melting mold, and the corresponding position of the melting mold is further clamped under stress. The multi-azimuth and three-dimensional clamping mode can ensure that the investment pattern preservation is more stable and safer. The specific number, position, shape and size of the loose piece mounting holes 41 and the adjusting loose pieces 42 can be correspondingly set according to the shape of the single melting mold to be stored, theoretically, the more the number, the smaller the volume and the more compact the arrangement, the better the adaptation effect will be, and further description is omitted here.
Referring to fig. 2, each of the upper stand 1 and the lower stand 2 includes a bottom frame 11, a support frame 12, and an object tray 13, and the object tray 13 is supported and fixed on the bottom frame 11 by the support frame 12; a reinforcing shaft 14 is fixed on the inner frame of the bottom frame 11, and reinforcing ribs 15 are installed on the inner sides of the corners of the bottom frame 11; the bottom frame 11 forms the supporting end, and the object placing disc 13 forms the trimming end. Wherein, reinforcing rib 15 and reinforcing axle 14 all can form the reinforcing effect to bottom frame 11, make the structure of last grudging post 1 and lower grudging post 2 more stable. The object placing plate 13 can be inclined and simultaneously drives the upper flange plate 4 or the lower flange plate 5 to incline together.
Referring to fig. 2 to 4, at least one finishing through hole 16 is opened on the upper flange plate 4 and/or the lower flange plate 5 and the corresponding object placing plate 13. The trimming through holes 16 of the object placing disc 13 can not only reduce the whole weight, but also have the effect of reducing the weight. Moreover, when the investment pattern is trimmed, the part of the investment pattern can be contacted through the trimming through hole 16, and the trimming of the investment pattern is facilitated.
As shown with reference to fig. 1, further includes: the first roller mechanism 7 is installed at the supporting end of the upper vertical frame 1, and the second roller mechanism 8 is installed at the supporting end of the lower vertical frame 2. The first roller mechanism 7 and the second roller mechanism 8 can realize that the repair die can smoothly move on a horizontal plane in any orientation.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and these modifications or substitutions do not depart from the spirit of the corresponding technical solutions of the embodiments of the present invention.
Claims (7)
1. The utility model provides an adjustable investment repair mould for investment casting which characterized in that includes:
the device comprises an upper vertical frame and a lower vertical frame, wherein the upper vertical frame and the lower vertical frame respectively comprise a trimming end close to one end of each other and a supporting end far away from one end of each other;
the upper vertical frame and the lower vertical frame are assembled in a vertically detachable and symmetrical mode through the central connecting mechanism;
the upper flange plate is arranged at the trimming end of the upper vertical frame, and the lower flange plate is arranged at the trimming end of the lower vertical frame; clamping mechanisms for fixing the melting mold are arranged at the edges of the upper flange plate and the lower flange plate;
the central connecting mechanism comprises a central pin shaft, a positioning barrel and a gasket, and the positioning barrel is sleeved on the central pin shaft; the gasket is rotatably assembled with one end of the center pin shaft, the upper flange plate is fixedly assembled with the gasket, and the lower flange plate is rotatably assembled with the other end of the center pin shaft;
a circle of assembling groove is formed in the side wall of the positioning cylinder along the circumferential direction, and a limiting cantilever is assembled in the assembling groove; one end of the limiting cantilever is fixedly assembled in the assembling groove, and the other end of the limiting cantilever is outwards suspended along the radial direction of the positioning cylinder;
the limiting cantilever comprises a cantilever end, an assembling end and a fixing nut, the assembling end is matched with the assembling groove, and the cantilever end is movably assembled on the assembling end through the fixing nut so as to be capable of being changed according to the shape and the size of the inner cavity of the investment mold.
2. The adjustable investment repair mold for investment casting according to claim 1, wherein the central connecting mechanism further comprises a circumference detection rod, the circumference detection rod comprises a fixed shaft, a detection cantilever perpendicular to the fixed shaft and a detection rod; one end of the detection cantilever is fixedly assembled with the fixed shaft, and the other end of the detection cantilever is outwards suspended along the radial direction of the positioning cylinder; the middle of the detection cantilever is provided with a mounting groove, and the detection rod is movably mounted in the mounting groove; and the detection cantilever is provided with dimension scales.
3. The adjustable investment repair mold for investment casting of claim 1, wherein a receiving gap is provided between the spacer and the positioning cylinder.
4. The adjustable investment repair mold for investment casting according to any one of claims 1-3, wherein a plurality of loose piece mounting holes are formed in the upper flange plate and the lower flange plate, and adjusting loose pieces are movably assembled in the loose piece mounting holes.
5. The adjustable investment repair mold for investment casting according to any one of claims 1-3, wherein the upper stand and the lower stand each comprise a bottom frame, a support frame and a tray, and the tray is supported and fixed on the bottom frame through the support frame; the bottom frame forms the supporting end, and the object placing disc forms the trimming end.
6. The adjustable investment repair mold for investment casting according to claim 5, wherein at least one trimming through hole is formed in the upper flange plate and/or the lower flange plate and the corresponding object placing plate.
7. The adjustable investment repair mold for investment casting according to any one of claims 1-3, further comprising:
the first roller mechanism is arranged at the supporting end of the upper vertical frame, and the second roller mechanism is arranged at the supporting end of the lower vertical frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011467154.3A CN112605348B (en) | 2020-12-14 | 2020-12-14 | Adjustable investment pattern repairing mold for investment casting |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011467154.3A CN112605348B (en) | 2020-12-14 | 2020-12-14 | Adjustable investment pattern repairing mold for investment casting |
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| CN112605348A CN112605348A (en) | 2021-04-06 |
| CN112605348B true CN112605348B (en) | 2022-10-21 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN202667985U (en) * | 2012-06-21 | 2013-01-16 | 中煤张家口煤矿机械有限责任公司 | Flame cutting fixture for heavy mining chain wheels |
| CN103894852B (en) * | 2014-03-20 | 2017-02-08 | 成都极点精密模具有限公司 | Turning clamp |
| CN108044268B (en) * | 2017-12-28 | 2019-07-02 | 温州职业技术学院 | Model casting automates wax-pattern welding equipment |
| CN109290515B (en) * | 2018-11-23 | 2020-06-16 | 中国航发沈阳黎明航空发动机有限责任公司 | Wax mold splicing tool and wax mold forming method for large complex annular thin-wall casing |
| CN109590434B (en) * | 2018-12-25 | 2021-02-26 | 航天海鹰(哈尔滨)钛业有限公司 | Wax mold splicing tool for titanium alloy investment precision casting |
| CN211588433U (en) * | 2019-12-31 | 2020-09-29 | 株洲市嘉泰动力技术服务有限公司 | Wax matrix processing modular fixture |
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