CN209792540U - Large-scale impeller casting equipment - Google Patents

Abstract

The utility model discloses a large-scale impeller casting equipment, comprising a base plate, a plurality of psammitolites have been placed to the top side of bottom plate, and movable mounting has same chaplet module between two psammitolites, and the top side fixed mounting of bottom plate has two curb plates, and one side that two curb plates are close to each other contacts with the both sides of psammitolite respectively, one side fixed mounting of bottom plate has the mount table, and the top side of mount table is rotated and is installed two push rods, and the one end that the bottom plate was kept away from to two push rods is all rotated and is installed the pull rod, and the one end that. The utility model discloses, through the setting of chaplet module for the impeller size is accurate, and productivity ratio is high, can save a large amount of processing cost and back track repair cost, is applicable to large-scale impeller stick or small batch order production, thereby two clamp blocks are close to each other simultaneously and carry the psammitolite, and the clamp block is convenient for change simultaneously, when having avoided the core assembling, because of the insecure problem of centre gripping that the clamp block wearing and tearing caused.

Description

Large-scale impeller casting equipment

Technical Field

The utility model relates to a casting technical field especially relates to a large-scale impeller casting equipment.

Background

The impeller refers to a wheel disc provided with movable blades, is a component of an impulse steam turbine rotor, and also refers to a general name of the wheel disc and the movable blades arranged on the wheel disc, and the impeller can be classified according to the shape and the opening and closing conditions.

The publication No. CN106238705B discloses a manufacturing method of a large-scale thin-wall impeller, which improves exhaust by arranging a ring groove and an exhaust plug in an upper die of a die, improves the cooling speed of a casting by arranging a cooling cone on the upper die and arranging a cooling ring on the upper surface of the upper die, and simultaneously, the bottom of a gypsum core is favorable for heat preservation of bottom aluminum liquid and feeding of the casting by using a sand mold, the die of the utility model can realize the whole casting procedure of the thin-wall large-size impeller by improving exhaust and cooling, has good forming quality and high precision, positions a first circular surface at the end part of the impeller by arranging a first concave part, and locks the impeller on a bottom plate by a first pressing part, has long production period and high cost in the traditional method, has poor secondary size precision and is difficult to ensure quality, and in the device, a core assembly adopts a pressing mode, and in the pressing process, because the bottom plate is fixed and is not convenient, meanwhile, the long-term use of the impeller can cause the abrasion of the impeller, so that the assembly core can not be compressed, the production quality of the impeller is affected,

SUMMERY OF THE UTILITY MODEL

Based on the technical problem that the background art exists, the utility model provides a large-scale impeller casting equipment.

The utility model provides a large-scale impeller casting equipment, comprising a base plate, a plurality of psammitolites are placed to the top side of bottom plate, movable mounting has same chaplet module between two psammitolites, the top side fixed mounting of bottom plate has two curb plates, one side that two curb plates are close to each other contacts with the both sides of psammitolite respectively, one side fixed mounting of bottom plate has the mount table, the top side of mount table rotates and installs two push rods, the one end that two push rods are kept away from the bottom plate all rotates and installs the pull rod, the one end that two pull rods are kept away from the push rod all rotates and installs the piece that moves, the one side that two pieces are close to each other all has seted up and moved the hole, movable mounting has the same slide bar in two move the hole, the both ends of slide bar extend to two respectively move outside the hole, one side that, fixed cup joint has the ejector pad on the slide bar, the one end fixed mounting of telescopic shaft is on one side that the bottom plate was kept away from to the ejector pad, the equal fixed mounting in top side of two push rods has the connecting rod, the bottom side of two connecting rods all rotates installs the clamping bar, the equal movable mounting in one end of two clamping bars has the mount pad that is located the bottom plate top, the draw-in groove has all been seted up to one side that the clamping bar was kept away from to two mount pads, equal movable mounting has the kelly in two draw-in grooves, the one end of two kellies all extends to outside the draw-in groove and equal fixed mounting has the clamp pad, one side that two clamp pads are close to.

Preferably, U type hole has all been seted up on the both sides inner wall of draw-in groove, and equal movable mounting has U type pole in two U type holes, and in the both ends of U type pole all extended to the draw-in groove, the fixed slot was all seted up in the both sides of kelly, and the one end that the clamping bar was kept away from to two U type poles extended to respectively in two fixed slots.

Preferably, the clamping plates are fixedly sleeved on the two U-shaped rods, and one sides of the two clamping plates, which are close to each other, are respectively in close contact with the two sides of the clamping rod.

Preferably, the jack that is located the draw-in groove is all seted up to one side of two U type poles, and movable mounting has the inserted bar in the jack, and outside the both ends of inserted bar all extended to the jack, the inserted bar was the slope setting with the jack, and two inserted bars are close to the one end fixed mounting of kelly and have same clamp plate, and one side of clamp plate contacts with the one end of kelly.

Preferably, be equipped with a plurality of first springs of fixed mounting on the clamp plate is kept away from the one side of kelly between two U type poles, the equal fixed mounting of the other end of a plurality of first springs is on the draw-in groove is close to the one side inner wall of clamping bar.

Preferably, the through-hole has all been seted up on the one side inner wall that two U type holes are close to the clamping bar, and the equal movable mounting of two through-holes has the locating lever, and outside the both ends of locating lever all extended to the through-hole, the constant head tank had all been seted up to one side that two U type poles are close to the clamping bar, and the one end that the clamping bar was kept away from to two locating levers extends to in two constant head tanks respectively.

Preferably, all seted up the sliding tray on the both sides inner wall of through-hole, the equal fixed mounting in both sides of locating lever has the sliding block, and one side that two sliding blocks kept away from each other is sliding mounting respectively in two sliding trays, has cup jointed the second spring on the locating lever, and the one end fixed mounting of second spring is on the sliding block, and the other end fixed mounting of second spring is on the inner wall of one side that the sliding tray is close to the clamping bar.

Preferably, one end of the positioning rod, which is far away from the U-shaped rod, is fixedly provided with a pulling block, and the pulling block is sleeved with a rubber protective sleeve.

Preferably, the top side of a side plate close to the mounting table is provided with a sliding groove, the bottom sides of the two clamping rods are fixedly provided with sliding blocks, and the bottom sides of the two sliding blocks are slidably mounted in the sliding groove.

Preferably, one side of the connecting rod is provided with a rotating hole and a moving hole, a rotating rod and a moving shaft are movably mounted in the rotating hole and the moving hole respectively, and one ends of the rotating rod and the moving shaft are fixedly mounted on one sides, close to the connecting rod, of the pull rod and the clamping rod respectively.

The utility model discloses in, a large-scale impeller casting equipment, through the bottom plate, the psammitolite, the chaplet module, the curb plate, the mount table, first spring, the push rod, the pull rod, move the piece, move the hole, the slide bar, the ejector pad, flexible motor, the telescopic shaft, the connecting rod, the clamping bar, change the hole, the cooperation of bull stick is used, start flexible motor, thereby promote the ejector pad to remove, the ejector pad removes and drives two pieces of moving through the slide bar and remove, two pieces of moving drive two push rods respectively through two pull rods and rotate, two push rods rotate and drive two clamping bars through two connecting rods respectively and be close to each other, thereby make two firm clipings psammitolite of clamping block, through bottom plate, the psammitolite, the mount pad, the clamp splice, the spout, the slider, the kelly, the draw-in groove, the clamp plate, U type hole, the U type pole, the jack, the inserted, When the clamping block needs to be disassembled and replaced, the positioning rod is pulled, the clamping block can be taken off under the action of the tensile force of the first spring, when the clamping block is installed, the clamping block is moved, the clamping rods are inserted into the clamping grooves, so that the clamping plate is pushed to move, the two insertion rods are respectively inserted into the two insertion holes by the movement of the clamping plate, so that the two U-shaped rods are close to each other, one ends of the two U-shaped rods, which are close to each other, enter the two fixing grooves respectively, the clamping rods are firmly clamped by the two clamping plates, and then the positioning rod is moved, so that one end of the positioning rod enters the positioning groove;

The utility model discloses, through the setting of chaplet module for the impeller size is accurate, and productivity ratio is high, can save a large amount of processing cost and back track repair cost, is applicable to large-scale impeller stick or small batch order production, thereby two clamp blocks are close to each other simultaneously and carry the psammitolite, and the clamp block is convenient for change simultaneously, when having avoided the core assembling, because of the insecure problem of centre gripping that the clamp block wearing and tearing caused.

Drawings

Fig. 1 is a schematic structural view of a large-scale impeller casting device according to the present invention;

Fig. 2 is a schematic top view of a large-scale impeller casting apparatus according to the present invention;

Fig. 3 is a schematic structural diagram of a portion a in fig. 2 of a large-scale impeller casting apparatus according to the present invention;

fig. 4 is a schematic structural diagram of a portion B in fig. 2 of a large-scale impeller casting apparatus according to the present invention;

Fig. 5 is a schematic structural diagram of a portion B1 in fig. 4 of a large-scale impeller casting apparatus according to the present invention.

in the figure: the device comprises a base plate 1, a sand core 2, a core support module 3, side plates 4, a mounting table 5, a first spring 6, a push rod 7, a pull rod 8, a moving block 9, a moving hole 10, a sliding rod 11, a pushing block 12, a telescopic motor 13, a telescopic shaft 14, a connecting rod 15, a clamping rod 16, a rotating hole 17, a rotating rod 18, a mounting seat 19, a clamping block 20, a sliding groove 21, a sliding block 22, a clamping rod 23, a clamping groove 24, a pressing plate 25, a U-shaped hole 26, a U-shaped rod 27, a jack 28, an inserting rod 29, a fixing groove 30, a clamping plate 31, a through hole 32, a positioning rod 33, a positioning groove 34, a sliding block 35, a sliding groove 36, a pulling block 37, a movable hole 38, a movable shaft 39.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Examples are given.

Referring to fig. 1-5, a large-scale impeller casting device comprises a bottom plate 1, a plurality of sand cores 2 are placed on the top side of the bottom plate 1, a same chaplet module 3 is movably installed between the two sand cores 2, two side plates 4 are fixedly installed on the top side of the bottom plate 1, one sides of the two side plates 4 close to each other are respectively contacted with the two sides of the sand cores 2, an installation table 5 is fixedly installed on one side of the bottom plate 1, two push rods 7 are rotatably installed on the top side of the installation table 5, pull rods 8 are rotatably installed at one ends of the two push rods 7 far away from the bottom plate 1, moving blocks 9 are rotatably installed at one ends of the two pull rods 8 far away from the push rods 7, moving holes 10 are respectively formed in one sides of the two moving blocks 9 close to each other, a same slide rod 11 is movably installed in the two moving holes 10, the two ends of the slide rod 11 respectively extend out of, an output shaft of a telescopic motor 13 is fixedly provided with a telescopic shaft 14 through a coupler, a sliding rod 11 is fixedly sleeved with a push block 12, one end of the telescopic shaft 14 is fixedly installed on one side, far away from a bottom plate 1, of the push block 12, top sides of two push rods 7 are fixedly provided with connecting rods 15, bottom sides of the two connecting rods 15 are rotatably provided with clamping rods 16, one ends of the two clamping rods 16 are movably installed with installing seats 19 located above the bottom plate 1, one sides, far away from the clamping rods 16, of the two installing seats 19 are respectively provided with clamping grooves 24, clamping rods 23 are movably installed in the two clamping grooves 24, one ends of the two clamping rods 23 extend out of the clamping grooves 24 and are fixedly provided with clamping blocks 20, one sides, close to each other, of the two clamping blocks 20 are respectively contacted with one sides, far away from each other, of the two sand cores 2 located on two sides, when cores are required to be assembled, a positioning line of each sand core 2 is firstly drawn on the bottom plate, the core support module 3 is made of polystyrene, the polystyrene has certain strength and can bear the weight of the blade sand core 2, and meanwhile, the polystyrene has a lower melting point so as to be convenient to heat and remove, the core support module 3 is made of polystyrene according to a part of the shape of the blade, the core support is supported between every two blade sand cores 2 through the core support module 3, after core assembly, the core support module 3 made of polystyrene is heated to 166-240 ℃ to be removed, one core support template 3 is directly placed at the position where the two sand cores 2 form the blade in each group of sand cores 2 until all the sand cores 2 are assembled, and after all the sand cores 2 are assembled, the core support template made of polystyrene is heated and melted to be removed.

The inner walls of two sides of the clamping groove 24 are respectively provided with a U-shaped hole 26, U-shaped rods 27 are movably arranged in the two U-shaped holes 26, two ends of each U-shaped rod 27 extend into the clamping groove 24, two sides of the clamping rod 23 are respectively arranged in the fixing grooves 30, one ends of the two U-shaped rods 27 far away from the clamping rod 16 extend into the two fixing grooves 30 respectively, clamping plates 31 are fixedly sleeved on the two U-shaped rods 27 respectively, one sides of the two clamping plates 31 close to each other are respectively in close contact with two sides of the clamping rod 23, one sides of the two U-shaped rods 27 are respectively provided with an inserting hole 28 positioned in the clamping groove 24, an inserting rod 29 is movably arranged in the inserting hole 28, two ends of the inserting rod 29 extend out of the inserting hole 28, the inserting rod 29 and the inserting hole 28 are obliquely arranged, one end of the two inserting rods 29 close to the clamping rod 23 is fixedly provided with a same pressing plate 25, one side of the pressing plate 25 is in contact with one end of the clamping rod 23, a plurality of, the other ends of the first springs 6 are fixedly arranged on the inner wall of one side of the clamping groove 24 close to the clamping rod 16, through holes 32 are respectively arranged on the inner wall of one side of the two U-shaped holes 26 close to the clamping rod 16, positioning rods 33 are respectively movably arranged on the two through holes 32, both ends of each positioning rod 33 extend out of the through holes 32, one side of each U-shaped rod 27 close to the clamping rod 16 is respectively provided with a positioning groove 34, one ends of the two positioning rods 33 far away from the clamping rod 16 respectively extend into the two positioning grooves 34, sliding grooves 36 are respectively arranged on the inner walls of both sides of the through holes 32, sliding blocks 35 are respectively fixedly arranged on both sides of each positioning rod 33, one sides of the two sliding blocks 35 far away from each other are respectively slidably arranged in the two sliding grooves 36, a second spring 40 is sleeved on each positioning rod 33, one end of the second spring 40 is fixedly arranged on the sliding blocks 35, the other, a pulling block 37 is fixedly installed at one end of the positioning rod 33 far away from the U-shaped rod 27, a rubber protective sleeve is sleeved on the pulling block 37, a sliding groove 21 is formed at the top side of one side plate 4 close to the installation platform 5, sliding blocks 22 are fixedly installed at the bottom sides of the two clamping rods 16, the bottom sides of the two sliding blocks 22 are slidably installed in the sliding groove 21, a rotating hole 17 and a moving hole 38 are formed at one side of the connecting rod 15, a rotating rod 18 and a moving shaft 39 are movably installed in the rotating hole 17 and the moving hole 38 respectively, one ends of the rotating rod 18 and the moving shaft 39 are fixedly installed at one sides of the pull rod 8 and the clamping rod 16 close to the connecting rod 15 respectively, when core assembly is carried out, the telescopic motor 14 is started, so that the push block 12 is pushed to move, the push block 12 moves to drive the two moving blocks 9 to move through the sliding rod 11, the two moving blocks 9 drive the two push rods 7 to rotate through the two, thereby make two clamp splice 20 firm centre gripping psammitolite 2, when needing to dismantle change clamp splice 20, pulling locating lever 33, under the effect of the tensile force of first spring 6, can take off clamp splice 20, when the installation, remove clamp splice 20, make kelly 23 insert in draw-in groove 24, thereby push against clamp plate 25 and move, clamp plate 25 moves and makes two inserted bars 29 inject respectively in two jacks 28, thereby make two U type poles 27 be close to each other, thereby make its one end that is close to each other get into respectively in two fixed slots 30, and through two firm centre gripping kelly 23 of splint 31, then remove locating lever 33, make its one end get into in constant head tank 34, can accomplish the operation.

The utility model discloses: when core assembly is needed, firstly drawing a positioning line of each sand core 2 on a bottom plate, then processing a chaplet module 3 by polystyrene according to a part of the shape of the blade (about 5-10% of the area of the blade), wherein the polystyrene has certain strength to ensure that the weight of the sand core 2 of the blade can be borne, and simultaneously has a lower melting point so as to be conveniently heated and removed, processing chaplets by polystyrene according to a part of the shape of the blade by the chaplet module 3 between every two sand cores 2 of the blade, after the core assembly, heating the chaplet module 3 made of polystyrene to 166-240 ℃ to remove, directly placing a chaplet template 3 at the position where the two sand cores 2 form the blade for each group of sand cores 2 until all the sand cores 2 are assembled, heating and melting the chaplet template made of polystyrene to remove after all the sand cores 2 are assembled, when assembling the core, the telescopic motor 14 is started, so as to push the push block 12 to move, the push block 12 moves to drive the two moving blocks 9 to move through the sliding rod 11, the two moving blocks 9 respectively drive the two push rods 7 to rotate through the two pull rods 8, the two push rods 7 respectively drive the two clamping rods 16 to mutually approach through the two connecting rods 15, so as to enable the two clamping blocks 20 to firmly clamp the sand core 2, when the clamping blocks 20 need to be disassembled and replaced, the positioning rod 33 is pulled, the clamping blocks 20 can be taken off under the action of the tensile force of the first spring 6, when the clamping blocks 20 are installed, the clamping blocks 20 are moved, so that the clamping rods 23 are inserted into the clamping grooves 24, so as to push against the pressing plate 25 to move, the pressing plate 25 moves, so that the two inserting rods 29 are respectively inserted into the two inserting holes 28, so as to enable the two U-shaped rods 27 to mutually approach, so that the mutually-adjacent ends of the, then, the positioning rod 33 is moved so that one end thereof enters the positioning groove 34, thereby completing the operation.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (10)

1. The large impeller casting equipment comprises a bottom plate (1) and is characterized in that a plurality of sand cores (2) are placed on the top side of the bottom plate (1), a same chaplet module (3) is movably installed between the two sand cores (2), two side plates (4) are fixedly installed on the top side of the bottom plate (1), one sides, close to each other, of the two side plates (4) are respectively contacted with the two sides of the sand cores (2), an installation table (5) is fixedly installed on one side of the bottom plate (1), two push rods (7) are rotatably installed on the top side of the installation table (5), pull rods (8) are rotatably installed at one ends, far away from the bottom plate (1), of the two pull rods (8) are rotatably installed at one ends, far away from the push rods (7), of the two pull rods (8), moving blocks (9), moving holes (10) are respectively formed in one sides, close to each other, and the same slide rod (11, two ends of a sliding rod (11) respectively extend out of two moving holes (10), one side of the sliding rod (11) far away from a push rod (7) is provided with a telescopic motor (13) fixedly arranged on the top side of an installation platform (5), an output shaft of the telescopic motor (13) is fixedly provided with a telescopic shaft (14) through a coupler, the sliding rod (11) is fixedly sleeved with a push block (12), one end of the telescopic shaft (14) is fixedly arranged on one side of the push block (12) far away from a bottom plate (1), the top sides of the two push rods (7) are both fixedly provided with connecting rods (15), the bottom sides of the two connecting rods (15) are both rotatably provided with clamping rods (16), one ends of the two clamping rods (16) are both movably provided with installation seats (19) positioned above the bottom plate (1), one sides of the two installation seats (19) far away from the clamping rods (16) are both provided with clamping grooves (24), and clamping rods, one end of each clamping rod (23) extends to the outside of the clamping groove (24) and is fixedly provided with a clamping block (20), and one side, close to each other, of each clamping block (20) is respectively contacted with one side, far away from each other, of each sand core (2) on two sides.

2. The large impeller casting equipment according to claim 1, wherein the inner walls of the two sides of the clamping groove (24) are respectively provided with a U-shaped hole (26), the two U-shaped holes (26) are respectively and movably provided with a U-shaped rod (27), two ends of each U-shaped rod (27) extend into the clamping groove (24), two sides of each clamping rod (23) are respectively arranged in the fixing groove (30), and one ends of the two U-shaped rods (27) far away from the clamping rod (16) respectively extend into the two fixing grooves (30).

3. The large impeller casting equipment according to claim 2, wherein clamping plates (31) are fixedly sleeved on the two U-shaped rods (27), and the sides, close to each other, of the two clamping plates (31) are respectively in close contact with the two sides of the clamping rod (23).

4. the large impeller casting equipment according to claim 2, wherein one side of each of the two U-shaped rods (27) is provided with a jack (28) located in the clamping groove (24), an insert rod (29) is movably mounted in each jack (28), two ends of each insert rod (29) extend out of each jack (28), each insert rod (29) and each jack (28) are obliquely arranged, one end, close to the corresponding clamping rod (23), of each insert rod (29) is fixedly provided with the same pressing plate (25), and one side of each pressing plate (25) is in contact with one end of the corresponding clamping rod (23).

5. The large impeller casting equipment according to claim 2, wherein a plurality of first springs (6) fixedly installed on one side of the pressure plate (25) far away from the clamping rod (23) are arranged between the two U-shaped rods (27), and the other ends of the plurality of first springs (6) are fixedly installed on the inner wall of one side of the clamping groove (24) close to the clamping rod (16).

6. the large impeller casting equipment according to claim 2, wherein through holes (32) are formed in the inner wall of one side, close to the clamping rod (16), of each of the two U-shaped holes (26), positioning rods (33) are movably mounted in the two through holes (32), two ends of each positioning rod (33) extend out of the through hole (32), positioning grooves (34) are formed in one side, close to the clamping rod (16), of each of the two U-shaped rods (27), and one ends, far away from the clamping rod (16), of the two positioning rods (33) extend into the two positioning grooves (34) respectively.

7. The large impeller casting equipment according to claim 6, wherein sliding grooves (36) are formed in inner walls of two sides of the through hole (32), sliding blocks (35) are fixedly mounted on two sides of the positioning rod (33), one sides, away from each other, of the two sliding blocks (35) are respectively slidably mounted in the two sliding grooves (36), a second spring (40) is sleeved on the positioning rod (33), one end of the second spring (40) is fixedly mounted on the sliding block (35), and the other end of the second spring (40) is fixedly mounted on an inner wall, close to the clamping rod (16), of the sliding groove (36).

8. The large impeller casting equipment according to claim 6, wherein a pulling block (37) is fixedly installed at one end of the positioning rod (33) far away from the U-shaped rod (27), and a rubber protective sleeve is sleeved on the pulling block (37).

9. The large impeller casting equipment according to claim 1, wherein a sliding groove (21) is formed in the top side of one side plate (4) close to the mounting table (5), sliding blocks (22) are fixedly mounted on the bottom sides of the two clamping rods (16), and the bottom sides of the two sliding blocks (22) are slidably mounted in the sliding groove (21).

10. the large impeller casting equipment according to claim 1, wherein one side of the connecting rod (15) is provided with a rotating hole (17) and a movable hole (38), a rotating rod (18) and a movable shaft (39) are movably arranged in the rotating hole (17) and the movable hole (38) respectively, and one ends of the rotating rod (18) and the movable shaft (39) are fixedly arranged on one sides of the pull rod (8) and the clamping rod (16) close to the connecting rod (15) respectively.