CN115625322A - Positioning casting device for steam turbine cylinder and positioning casting process thereof - Google Patents
Positioning casting device for steam turbine cylinder and positioning casting process thereof Download PDFInfo
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- CN115625322A CN115625322A CN202211100167.6A CN202211100167A CN115625322A CN 115625322 A CN115625322 A CN 115625322A CN 202211100167 A CN202211100167 A CN 202211100167A CN 115625322 A CN115625322 A CN 115625322A
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- turbine cylinder
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/04—Bringing together or separating moulds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D29/00—Removing castings from moulds, not restricted to casting processes covered by a single main group; Removing cores; Handling ingots
- B22D29/04—Handling or stripping castings or ingots
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D33/00—Equipment for handling moulds
- B22D33/02—Turning or transposing moulds
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Abstract
The invention provides a positioning casting device for a steam turbine cylinder and a positioning casting process thereof, which relate to the technical field of positioning casting of the steam turbine cylinder, and comprise a forming mechanism for forming the steam turbine cylinder, wherein the forming mechanism comprises two supporting plates, the upper ends of the two supporting plates are horizontally inserted with T-shaped ejector rods through insertion holes in a sliding and inserting manner, one ends, close to each other, of the two T-shaped ejector rods are fixedly provided with spherical seats, the outer wall of each spherical seat is symmetrically provided with two hinge rods, the end part of one hinge rod of each spherical seat is hinged with a forming mold, and one ends, far away from the hinge rods, of the two forming molds are hinged, and the positioning casting device has the following beneficial effects that: utilize forming mechanism to replace the bare-handed forming die that opens of manpower to get a operation, avoid the surplus temperature of blank to bring for the strong roast sense of staff, with T type ejector pin at the spliced eye internal rotation of backup pad, can overturn forming die to the below, reduce forming die height, avoid the artificial in-process of getting not pressing from both sides tightly drop and lead to the blank to damage.
Description
Technical Field
The invention relates to the technical field of positioning casting of a steam turbine cylinder, in particular to a positioning casting device for the steam turbine cylinder and a positioning casting process thereof.
Background
The steam turbine cylinder is cast, when the steam turbine cylinder is cast, generally, metal liquid is poured into a casting cavity, parts or blanks required by people are formed after the metal liquid is cooled, then the parts or the blanks are taken out manually, the blanks are still warm after being cooled, a forming die is opened by hands to take out the parts, the remaining temperature of the blanks brings a strong roasting feeling to workers, and the blanks cannot be damaged and cannot be subjected to the next process when the blanks are not clamped and fall off in the process of being taken out from the cavity.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide a positioning and casting device for a steam turbine cylinder, which solves the technical problems mentioned in the background art.
The technical scheme adopted by the invention for solving the technical problem is as follows: a positioning casting device for a steam turbine cylinder comprises a forming mechanism for forming the steam turbine cylinder, and the forming mechanism is used for carrying out forming operation on the steam turbine cylinder.
Forming mechanism includes two backup pads, the upper end of two backup pads all has T type ejector pin through pegging graft of spliced eye horizontal slip, the one end that two T type ejector pins are close to each other is all fixed and is equipped with spherical seat, the outer wall symmetry of spherical seat is equipped with two hinge bars, the tip of one of them hinge bar of spherical seat articulates there is forming die, the one end that the hinge bar was kept away from to two forming die is articulated, through all having seted up the shaping chamber at two forming die, with two T type ejector pins respectively along the inside one side horizontal slip that closes together each other of spliced eye of two backup pads, two spherical seats drive two forming die through the hinge bar and overturn around articulated position, the shaping chamber opening up to two forming die is just to the laminating, form confined shaping cavity, a shaping operation for steam turbine cylinder blank.
The tip of another hinge bar of spherical seat articulates there is the articulated slab, the one end that the hinge bar was kept away from to two articulated slabs is passed through the connecting rod and is articulated, through two articulated slabs with articulated together around the upset of hinge position, be about to two articulated slabs to the one side adjustment of keeping away from each other, can drive two T type ejector pins respectively through two spherical seats and slide to one side horizontal slip of keeping away from each other along the spliced eye inside of two backup pads, thereby can assist two attached forming die together to strut to the one side of keeping away from each other around hinge position, it carries out the drawing of patterns operation to need not the staff from person's contact forming die, make the staff can keep away from the steam turbine cylinder of just drawing of patterns.
The outer wall of T type ejector pin slides and cup joints the spring that is located between ball type seat and the backup pad, utilizes the elasticity of spring, can be with T type ejector pin along the inside real-time jack-up of spliced eye for the ball type seat of two T type ejector pin tip can be in the same place in real time laminating, ensures that two forming die's shaping chamber opening can be accurate just right, ensures effectively going on of shaping operation.
As a preferred technical scheme of the invention, the opposite side walls of the two hinged plates are provided with mounting grooves, a plurality of mounting disks positioned in the mounting grooves are rotated in the mounting grooves through pin shafts, one ends of the mounting disks, which are far away from the pin shafts, are provided with brushes protruding out of the mounting grooves, when the two forming dies are rotated and expanded, the two hinged plates are rotated and adjusted to be distributed in a structure close to a straight line, and simultaneously, the two hinged plates are rotated and adjusted to be close to the structure in the straight line, so that the forming cavities of the two forming dies are opposite to the brushes of the mounting disks, and the brushes can be driven to clean the forming cavities of the forming dies as long as each mounting disk is rotated until the forming cavities are completely cleaned.
The hinged plate can avoid workers from directly rotating the two forming dies to perform demoulding operation, and can adjust the hairbrush on the side wall of the mounting disc into the forming cavity of the forming dies to perform cleaning operation.
As a preferred technical scheme of the invention, the outer wall of one end of each mounting disc, which is close to the pin shaft, is fixedly sleeved with the first fluted disc, the two adjacent mounting discs in the same mounting groove are meshed through the two first fluted discs, and as long as any one mounting disc in the same mounting groove is rotated, the two adjacent first fluted discs can be meshed to realize power transmission, realize synchronous rotation of all the mounting discs and improve the cleaning efficiency of the inside of the forming cavity of the forming die.
According to a preferred technical scheme of the invention, a pin shaft of one mounting plate close to one end of the hinged positions of two hinged plates in the mounting groove penetrates through the mounting groove in a rotating mode and is fixedly connected with a second toothed plate, a limiting rod is arranged on the side wall of a connecting rod at the hinged positions of the two hinged plates in a rotating mode, a third toothed plate is fixedly connected to the outer wall of the limiting rod in a fixing mode and meshed with the second toothed plate, when the two hinged plates rotate around the hinged positions of the hinged plates, the two hinged plates are simultaneously propped open towards the sides far away from each other until the hinged plates are adjusted to be close to a linear structure, meanwhile, the pin shaft which rotates and extends to the outer sides of the hinged plates is meshed with the third toothed plate on the outer wall of the limiting rod through the second toothed plate, the third toothed plate can be driven to rotate only by rotating the limiting rod by bare hands, the rotating third toothed plate can drive the second toothed plates on the two sides to rotate synchronously, the corresponding mounting plates can be driven by the pin shaft to rotate synchronously, all the mounting plates can be driven by the first toothed plate, and the impurity efficiency in a forming cavity of a forming die can be further improved.
As a preferred technical scheme of the invention, a supporting mechanism capable of supporting the forming mechanism is arranged below the forming mechanism, and the forming mechanism is stably supported by the supporting mechanism, so that the forming mechanism can conveniently perform forming operation and simultaneously perform demoulding and cleaning operation after demoulding.
The supporting mechanism comprises two backup plates which are distributed in parallel, the two backup plates are vertically fixed to the upper end surfaces of the two backup plates respectively, the two ends of the bottom end of each backup plate are vertically fixed to supporting legs, the four supporting legs are used for supporting the two backup plates, and the whole forming mechanism is supported in the air.
The fixed cover in outer wall bottom of supporting leg has connect the support horizontal pole, four support between the tip of horizontal pole the fixed tray that is equipped with, the upper end of tray is rotated and is equipped with spacing seat, and it is equipped with the torsional spring to rotate the department, with T type ejector pin along the inside rotation of spliced eye, T type ejector pin still slides along the spliced eye is inside simultaneously, become the die cavity opening up to two forming die just to the laminating, and the gag lever post can overturn to the top of tray, set up the joint breach with gag lever post tip joint simultaneously at the lateral wall of spacing seat, rotate spacing seat around the tray up end, the torsional spring produces and twists reverse potential energy, make the joint breach of spacing seat just right with the gag lever post tip, then go into the joint breach with the gag lever post tip card, utilize the torsional potential energy of torsional spring to twist reverse, with spacing seat at tray up end antiport, thereby make T type ejector pin unable upset in the spliced eye, make two gag lever post positions no longer take place the upset operation.
According to a preferred technical scheme, a limiting groove is formed in the radial side wall of the inner bottom end of the clamping notch, a limiting clamping block clamped with the inner portion of the limiting groove is fixedly arranged on the radial side wall of the end portion of the limiting rod, when the limiting rod is clamped into the clamping notch of the limiting seat, the limiting clamping block is simultaneously clamped into the limiting groove in the clamping notch, and when the limiting seat rotates on the upper end face of the tray, the limiting clamping block rotates in the limiting groove, so that the limiting rod is prevented from being separated from the clamping notch along the axial direction of the clamping notch, the two T-shaped ejector rods are prevented from reversely and horizontally sliding along the inner portion of the inserting hole, and the two forming dies can be prevented from reversely overturning around the hinge position, and are rotated and expanded to one side away from each other, and errors are caused in the forming process.
As a preferred technical scheme of the invention, the radial side wall of the limiting seat is fixedly provided with a handle, the handle is held by bare hands, force is conveniently applied to rotate the limiting seat around the rotating part, and the clamping notch of the limiting seat is in dead against clamping with the limiting rod.
The invention has the following advantages:
1. the forming mechanism of the invention carries out forming operation on the steam turbine cylinder, after the forming is finished, the two T-shaped ejector rods are separated towards the side far away from each other, the two forming dies can be separated, the demoulding operation is realized, the forming die is opened manually to carry out the workpiece taking operation instead of manpower, and the strong roasting feeling of the blank part residual temperature to workers is avoided.
2. With T type ejector pin at the spliced eye internal rotation of backup pad, can overturn forming die to the below, reduce forming die's height, when the drawing of patterns, avoid the manual work to get the in-process and do not press from both sides tightly and drop and lead to the blank to damage like this to carry out technology on next step, improve machining efficiency.
Drawings
FIG. 1 is a schematic diagram of the main structure of a preferred embodiment of the present invention;
FIG. 2 is a schematic structural view of a support mechanism according to a preferred embodiment of the present invention;
FIG. 3 is a half sectional view of a spacing block according to a preferred embodiment of the present invention.
FIG. 4 is a sectional view of a top view of the spacing rod and the spacing base according to a preferred embodiment of the invention;
FIG. 5 is a semi-sectional view of a hinge plate in accordance with a preferred embodiment of the present invention;
FIG. 6 is an enlarged view of the structure of FIG. 1 at A in accordance with a preferred embodiment of the present invention;
FIG. 7 is a partial exploded view of a forming mechanism in accordance with a preferred embodiment of the present invention;
fig. 8 is an enlarged view of the structure at B in fig. 1 according to a preferred embodiment of the present invention.
In the figure: 1. a handle; 11. supporting legs; 12. a backup plate; 13. a support rail; 14. a tray; 15. a limiting seat; 2. a first fluted disc; 21. a support plate; 22. a T-shaped ejector rod; 23. a ball-shaped seat; 24. forming a mold; 25. a hinge plate; 26. a limiting rod; 27. a second fluted disc; 28. A third fluted disc; 29. a spring; 210. a brush; 211. a limiting clamping block; 212. a pin shaft; 213. And (7) mounting a disc.
Detailed Description
The technical scheme of the invention is clearly and completely described in the following with reference to the attached drawings. 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. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a 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.
The invention will be further described with reference to the accompanying drawings.
Referring to fig. 1-8, the present embodiment provides a positioning casting device for a steam turbine cylinder and a positioning casting process thereof, including a forming mechanism for forming the steam turbine cylinder, and the forming mechanism is used to perform a forming operation on the steam turbine cylinder.
Forming mechanism includes two backup pads 21, the upper end of two backup pads 21 all has T type ejector pin 22 through the pegging graft of spliced eye horizontal slip, two T type ejector pins 22 are close to each other the one end all fixed ball seat 23 that is equipped with, the outer wall symmetry of ball seat 23 is equipped with two hinge bars, the tip of one of them hinge bar of ball seat 23 articulates there is forming die 24, the one end that the hinge bar was kept away from to two forming die 24 is articulated, through all having seted up the shaping chamber at two forming die 24 relative lateral walls, with two T type ejector pins 22 respectively along the inside one side horizontal slip that closes up each other of spliced eye of two backup pads 21, two ball seats 23 drive two forming die 24 through the hinge bar and overturn around articulated position, until the shaping chamber opening of two forming die 24 is just to the laminating, form confined forming cavity, a shaping operation for steam turbine cylinder blank.
After the blank of the steam turbine cylinder is formed, the two forming dies 24 are separated to perform demoulding operation, but the blank has residual heat after cooling, the forming dies 24 are opened by bare hands to take out the blank, and the residual heat of the blank brings strong roasting feeling to workers, so that the end part of the other hinge rod of the spherical seat 23 is hinged with the hinge plate 25, one ends of the two hinge plates 25 far away from the hinge rod are hinged through the connecting rod, the two hinge plates 25 hinged together are turned around the hinge position, namely the two hinge plates 25 are adjusted to the sides far away from each other, the two T-shaped ejector rods 22 can be respectively driven by the two spherical seats 23 to horizontally slide to the sides far away from each other along the inside of the plug holes of the two supporting plates 21, and therefore the two forming dies 24 attached together can be supported to be spread to the sides far away from each other around the hinge position, and the workers can not need to contact the forming dies 24 to perform demoulding operation in person, and can keep away from the steam turbine cylinder which is just demoulded.
In addition, in the drawing of patterns process, in the process of taking out from the chamber, steam turbine blank directly drops, will lead to the blank to damage, can 'T carry out technology on next step, in order to avoid causing the damage of blank, with T type ejector pin 22 at the spliced eye internal rotation of backup pad 21, can overturn forming die 24 to the below, reduce forming die 24's height, be close ground or accept the receipts material platform of blank, when the drawing of patterns like this, avoid the artificial piece of getting in-process not press from both sides tightly and drop and lead to the blank to damage, reduce the defective rate.
The outer wall of T type ejector pin 22 slides and is cup jointed the spring 29 that is located between ball type seat 23 and the backup pad 21, utilize spring 29's elasticity, can be with T type ejector pin 22 along the inside real-time jack-up of spliced eye, make the ball type seat 23 of two T type ejector pin 22 tip can be in the same place in real time, ensure that two forming die 24's shaping chamber opening can be accurate just right, ensure effectively going on of shaping operation, ensure the forming process, avoid two forming die 24 to separate at will, lead to two forming die 24's shaping chamber to be unable to seal, cause the unable shaping of blank.
Other limiting parts can be adopted, so long as the requirement on the forming process is met, the openings of the forming cavities of the two forming molds 24 can be just attached in real time, and the forming cavities of the two forming molds 24 are ensured to be in a relatively closed state, so that the blank is packaged to be formed, and the increase of the defective rate is avoided.
In case after the drawing of patterns of steam turbine cylinder, dust or other foreign particles are easily remained in the shaping intracavity of two forming die 24, when carrying out the shaping operation once more, easily lead to the blank surface after the shaping to have the pothole phenomenon, need the later stage retreatment, influence the production efficiency of finished product steam turbine cylinder, consequently all need clean the shaping intracavity before casting at every turn, consume man-hour, influence the production efficiency of finished product steam turbine cylinder equally.
Through having seted up the mounting groove at two articulated slab 25 relative lateral walls, the inside of mounting groove is rotated a plurality of installation dish 213 that is located the mounting groove through round pin axle 212, the one end that round pin axle 212 was kept away from to installation dish 213 is equipped with the brush 210 of protrusion mounting groove, rotate to strut when two forming die 24, rotate the adjustment to being close a style of calligraphy structure distribution together from the laminating, two articulated slab 25 rotate the adjustment to being close a style of calligraphy structure simultaneously, and simultaneously, can make the shaping chamber of two forming die 24 just right with the brush 210 of every installation dish 213 like this, as long as rotate every installation dish 213, just can drive brush 210 and clear up the operation to the shaping chamber of forming die 24, until clean totally.
The hinged plate 25 not only can prevent the worker from directly rotating the two forming dies 24 to perform the demolding operation, but also can adjust the brush 210 on the side wall of the mounting plate 213 to the forming cavity of the forming die 24 to perform the cleaning operation.
Fix the cover at the mounting disc 213 and be close to the fixed first fluted disc 2 that has connect of one end outer wall of round pin axle 212, through the meshing of two first fluted discs 2 between two adjacent mounting discs 213 in the same mounting groove, as long as rotate any mounting disc 213 in the same mounting groove, just can realize power transmission through the meshing of two adjacent first fluted discs 2, realize that all mounting discs 213 rotate in step, improve the inside clean efficiency of forming die 24's shaping chamber.
The hinge pin 212 of one mounting plate 213 close to one end of the hinged position of the two hinged plates 25 in the mounting groove rotates to penetrate through the mounting groove and is fixedly connected with a second fluted disc 27, the limiting rod 26 is rotatably arranged on the side wall of the connecting rod at the hinged position of the two hinged plates 25, the third fluted disc 28 is fixedly connected to the outer wall of the limiting rod 26 in a fixing mode, the third fluted disc 28 is meshed with the second fluted disc 27, when the two hinged plates 25 rotate around the hinged position of the hinged plate, the two hinged plates 25 are propped open towards the side away from each other until being adjusted to be close to a linear structure, and meanwhile, the hinge pin 212 which rotates to extend to the outer side of the hinged plates 25 is meshed with the third fluted disc 28 on the outer wall of the limiting rod 26 through the second fluted disc 27.
As long as bare-handed rotation gag lever post 26 can drive third fluted disc 28 and rotate, pivoted third fluted disc 28 can drive both sides second fluted disc 27 and rotate in step, can drive the synchronous rotation of the mounting disc 213 that corresponds through round pin axle 212, through the transmission of first fluted disc 2, can realize that all mounting discs 213 rotate in step, further improves the efficiency of forming die 24's the inside impurity in shaping chamber.
The supporting mechanism capable of supporting the forming mechanism is arranged below the forming mechanism, the forming mechanism is stably supported by the supporting mechanism, the forming mechanism can conveniently perform forming operation, and meanwhile demolding and cleaning operation after demolding are performed.
The supporting mechanism comprises two backup plates 12 which are distributed in parallel, the two backup plates 21 are respectively vertically fixed to the upper end surfaces of the two backup plates 12, the two ends of the bottom end of each backup plate 12 are respectively and vertically fixed with supporting legs 11, the four supporting legs 11 are utilized to support the two backup plates 12, and the whole forming mechanism is supported in the air.
The fixed cover in outer wall bottom of supporting leg 11 has been connected and has been supported horizontal pole 13, four support and be equipped with tray 14 between the tip of horizontal pole 13, the upper end of tray 14 rotates and is equipped with spacing seat 15, and the department of rotating is equipped with the torsional spring, T type ejector pin 22 rotates along the spliced eye is inside, T type ejector pin 22 still slides along the spliced eye is inside simultaneously, until two forming die 24's shaping chamber opening just to laminating, and gag lever post 26 can overturn to the top of tray 14, simultaneously set up the joint breach with gag lever post 26 tip joint at the lateral wall of spacing seat 15, rotate spacing seat 15 around tray 14 up end, the torsional spring produces and twists reverse potential energy, make the joint breach of gag lever post 15 can just to with gag lever post 26 tip, then in the joint breach is gone into with gag lever post 26 tip card, utilize the torsion potential energy of torsional spring afterwards, with spacing seat 15 in tray 14 up end antiport, thereby make T type ejector pin 22 unable upset in the spliced eye, make two gag lever post 26 positions no longer take place the upset operation.
In addition, the spacing groove has been seted up at the radial lateral wall of inside bottom in joint breach, the fixed spacing fixture block 211 with the inside joint of spacing groove that is equipped with of the radial lateral wall of tip of gag lever post 26, after gag lever post 26 blocks into in spacing seat 15's the joint breach, spacing fixture block 211 blocks into the inside spacing groove of joint breach simultaneously, spacing seat 15 rotates when tray 14 up end, spacing fixture block 211 rotates at spacing inslot portion, avoid gag lever post 26 to break away from the joint breach along joint breach axial direction like this, thereby avoid two T type ejector pins 22 along the inside reverse horizontal slip of spliced eye, just so can avoid two forming die 24 to overturn around articulated position is reverse, lead to two forming die 24 to rotate to the one side of keeping away from each other and strut, cause the error to appear in the forming process.
The handle 1 is fixedly arranged on the radial side wall of the limiting seat 15, the handle 1 is held by bare hands, force application is facilitated to rotate the limiting seat 15 around the rotating position, and the clamping notch of the limiting seat 15 is just clamped with the limiting rod 26.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention.
Other parts of the present invention not described in detail are prior art and are not described herein again.
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 the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (9)
1. The positioning casting device for the steam turbine cylinder is characterized by comprising a forming mechanism for forming the steam turbine cylinder, wherein the forming mechanism comprises two supporting plates (21), T-shaped ejector rods (22) are horizontally inserted into the upper ends of the two supporting plates (21) in a sliding manner through insertion holes, spherical seats (23) are fixedly arranged at the ends, close to each other, of the two T-shaped ejector rods (22), two hinge rods are symmetrically arranged on the outer wall of each spherical seat (23), a forming mold (24) is hinged to the end portion of one hinge rod of each spherical seat (23), one ends, far away from the hinge rods, of the two forming molds (24) are hinged, and forming cavities are formed in opposite side walls of the two forming molds (24);
the end part of the other hinge rod of the spherical seat (23) is hinged with a hinge plate (25), and one ends of the two hinge plates (25) far away from the hinge rods are hinged through a connecting rod;
the outer wall of the T-shaped ejector rod (22) is sleeved with a spring (29) between the spherical seat (23) and the support plate (21) in a sliding mode.
2. The alignment and casting device for the steam turbine cylinder according to claim 1, wherein the two hinge plates (25) have mounting grooves formed on opposite sidewalls thereof, the mounting grooves are internally rotated by a plurality of mounting disks (213) positioned inside the mounting grooves via a hinge pin (212), and one end of the mounting disks (213) away from the hinge pin (212) is provided with brushes (210) protruding out of the mounting grooves.
3. The casting device for positioning cylinders of steam turbines according to claim 2, wherein the first toothed disc (2) is fixedly sleeved on the outer wall of one end of each mounting disc (213) close to the pin shaft (212), and two adjacent mounting discs (213) in the same mounting groove are engaged through the two first toothed discs (2).
4. The positioning and casting device for the steam turbine cylinder according to claim 3, characterized in that a pin shaft (212) of a mounting plate (213) in the mounting groove, which is close to one end of the hinged position of the two hinged plates (25), rotatably penetrates through the mounting groove and is fixedly connected with a second toothed plate (27), a limiting rod (26) is rotatably arranged on the side wall of the connecting rod in the hinged position of the two hinged plates (25), a third toothed plate (28) is fixedly connected to the outer wall of the limiting rod (26), and the third toothed plate (28) is meshed with the second toothed plate (27).
5. The apparatus for casting a steam turbine cylinder according to claim 1, wherein a support mechanism capable of supporting the forming mechanism is provided below the forming mechanism;
the supporting mechanism comprises two backup plates (12) which are distributed in parallel, and the two supporting plates (21) are respectively vertically and fixedly provided with the upper end surfaces of the two backup plates (12).
6. The positioning and casting device for the steam turbine cylinder according to claim 5, characterized in that the two ends of the bottom end of the backup plate (12) are vertically and fixedly provided with supporting legs (11), the bottom end of the outer wall of each supporting leg (11) is fixedly sleeved with a supporting cross rod (13), a tray (14) is fixedly arranged between the end parts of the four supporting cross rods (13), the upper end of the tray (14) is rotatably provided with a limiting seat (15), and a torsional spring is arranged at the rotating part;
the side wall of the limiting seat (15) is provided with a clamping gap clamped with the end part of the limiting rod (26).
7. The positioning casting device for the steam turbine cylinder according to claim 6, wherein a limiting groove is formed in a radial side wall of the inner bottom end of the clamping notch, and a limiting clamping block (211) clamped with the inner part of the limiting groove is fixedly arranged on a radial side wall of the end part of the limiting rod (26).
8. The device for the localized casting of steam turbine cylinders according to claim 6, characterized in that the radial side wall of the stop block (15) is fixedly provided with a handle (1).
9. A casting process of a positioning casting device for a steam turbine cylinder, using the positioning casting device for a steam turbine cylinder according to claim 1, comprising the steps of:
firstly, forming cavities are formed in opposite side walls of two forming molds (24), two T-shaped ejector rods (22) horizontally slide towards the sides which are mutually closed along the insides of inserting holes of two supporting plates (21) respectively, two spherical seats (23) drive the two forming molds (24) to turn around a hinged position through a hinged rod until openings of the forming cavities of the two forming molds (24) are just opposite to each other to be attached, and a closed forming cavity is formed and used for forming operation of a steam turbine cylinder blank;
afterwards through two articulated plates (25) together around the articulated position upset, be about to two articulated plates (25) to the one side adjustment of keeping away from each other, can drive two T type ejector pins (22) respectively through two ball type seats (23) and slide to one side level that keeps away from each other along the spliced eye of two backup pads (21) is inside, thereby can assist two forming die (24) that laminate together to strut to one side that keeps away from each other around the articulated position, need not staff's contact forming die (24) in person and carry out the drawing of patterns operation, make the staff can keep away from the steam turbine cylinder of just drawing of patterns.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210523166.6A CN114871421A (en) | 2022-05-13 | 2022-05-13 | Positioning casting device for steam turbine cylinder and positioning casting process thereof |
| CN2022105231666 | 2022-05-13 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115625322A true CN115625322A (en) | 2023-01-20 |
| CN115625322B CN115625322B (en) | 2023-05-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210523166.6A Withdrawn CN114871421A (en) | 2022-05-13 | 2022-05-13 | Positioning casting device for steam turbine cylinder and positioning casting process thereof |
| CN202211100167.6A Active CN115625322B (en) | 2022-05-13 | 2022-09-08 | Positioning casting device for steam turbine cylinder and positioning casting process thereof |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210523166.6A Withdrawn CN114871421A (en) | 2022-05-13 | 2022-05-13 | Positioning casting device for steam turbine cylinder and positioning casting process thereof |
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| CN (2) | CN114871421A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH078931A (en) * | 1993-06-29 | 1995-01-13 | Daido Steel Co Ltd | Inner surface grinding device for long tubular member and brush therefor |
| US20200269313A1 (en) * | 2017-09-26 | 2020-08-27 | Sintokogio, Ltd. | Casting device and emergency stop method |
| CN211467237U (en) * | 2019-12-31 | 2020-09-11 | 惠州沃典科技股份有限公司 | Cleaning mechanism of plastic mould |
| CN213104464U (en) * | 2020-09-12 | 2021-05-04 | 沈阳明瑞精密模具有限公司 | Easy-to-operate and separate mold |
| CN215198403U (en) * | 2021-06-03 | 2021-12-17 | 庆铃汽车（集团）有限公司 | Molding line casting trolley surface cleaning mechanism and cleaning device |
-
2022
- 2022-05-13 CN CN202210523166.6A patent/CN114871421A/en not_active Withdrawn
- 2022-09-08 CN CN202211100167.6A patent/CN115625322B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH078931A (en) * | 1993-06-29 | 1995-01-13 | Daido Steel Co Ltd | Inner surface grinding device for long tubular member and brush therefor |
| US20200269313A1 (en) * | 2017-09-26 | 2020-08-27 | Sintokogio, Ltd. | Casting device and emergency stop method |
| CN211467237U (en) * | 2019-12-31 | 2020-09-11 | 惠州沃典科技股份有限公司 | Cleaning mechanism of plastic mould |
| CN213104464U (en) * | 2020-09-12 | 2021-05-04 | 沈阳明瑞精密模具有限公司 | Easy-to-operate and separate mold |
| CN215198403U (en) * | 2021-06-03 | 2021-12-17 | 庆铃汽车（集团）有限公司 | Molding line casting trolley surface cleaning mechanism and cleaning device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114871421A (en) | 2022-08-09 |
| CN115625322B (en) | 2023-05-09 |
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