CN217142259U

CN217142259U - Large-scale vertical centrifugal casting machine

Info

Publication number: CN217142259U
Application number: CN202221020465.XU
Authority: CN
Inventors: 张旭; 冯秋萍; 张天兴; 张垚
Original assignee: Zhengzhou Yusheng Casting Co ltd
Current assignee: Zhengzhou Yusheng Casting Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-08-09
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a large vertical centrifugal casting machine, which relates to the technical field of centrifugal casting, and realizes the rotation of a bearing platform and further realizes the rotation of a vertical centrifugal mold through a first driver; the pouring gate is fixedly connected with the base and matched with the feeding hole of the vertical centrifugal mold to pour metal liquid into the vertical centrifugal mold; the vertical centrifugal die is matched with the material guide column, so that when metal liquid is poured, the metal liquid is firstly contacted with the material guide column and is thrown into the vertical centrifugal die along with the rotation of the bearing table, and meanwhile, the metal liquid is uniformly thrown into the vertical centrifugal die along with the lifting of the material guide column, and the phenomenon that the metal liquid cannot rotate to a high position only by the rotation of the vertical centrifugal die is prevented; the problem of among the prior art vertical centrifugal casting machine casting vertical high position part filling incomplete when the mould.

Description

Large-scale vertical centrifugal casting machine

Technical Field

The utility model relates to a centrifugal casting technical field especially indicates a large-scale vertical centrifugal casting machine.

Background

Centrifugal casting is a casting method in which liquid metal is poured into a rotating mold, and the mold is filled and solidified into a casting under the action of centrifugal force. The machine for centrifugal casting is called a centrifugal casting machine. The centrifugal casting machine is divided into 3 types, i.e., a horizontal type, a vertical type and an inclined type, according to the different directions of the rotating shafts of the casting molds. Centrifugal casting is often used for casting the rotary cylinder.

When the vertical centrifugal casting equipment in the prior art carries out the casting of the irregular model of the rotary section, because the molten metal is poured into the mould and then stays at the bottom firstly, then the mould is rotated and then the molten metal is thrown to the side wall of the mould, and the irregular rotary outer surface can make the position with higher vertical height difficult to fill completely, thereby influencing the casting quality of the model. And when the height of the model to be cast is high, the model is difficult to completely fill at the vertical high position only by rotating the mould.

SUMMERY OF THE UTILITY MODEL

To not enough among the above-mentioned background art, the utility model provides a large-scale vertical centrifugal casting machine has solved among the prior art vertical high position part of vertical centrifugal casting machine model and has filled incomplete problem.

The technical scheme of the utility model is realized like this: the utility model provides a large-scale vertical centrifugal casting machine, the on-line screen storage device comprises a base, it is equipped with the plummer to rotate on the base, the plummer is connected with the fixed first driver transmission of establishing on the base, it is equipped with the guide post to slide on the plummer, the guide post is connected with the fixed second driver transmission of establishing in the plummer inside, be connected through electrically conductive device between second driver and the base, can dismantle on the plummer and be equipped with vertical centrifugal mold, vertical centrifugal mold cooperatees with the guide post, fixedly connected with and vertical centrifugal mold's feed inlet matched with sprue gate on the base.

Preferably, the base includes the pedestal, and the pedestal bottom is connected with the landing leg, and the pedestal lateral wall is connected with the fixed plate, and first driver is fixed to be established on the fixed plate, and the pedestal upper surface passes through the bearing with the plummer and rotates to be connected, and the pedestal center department is equipped with the through-hole with guide post matched with.

Preferably, the plummer is the solid of revolution round platform, and the plummer lateral wall is equipped with the ring gear, and the ring gear is connected with the gear drive of fixed establishing on first driver output shaft, and plummer centre of revolution department is equipped with the axle sleeve, and the guide post slides and establishes on the axle sleeve, and the second driver passes through the fixed inside cavity of establishing at the plummer of support piece, and the plummer top is equipped with and vertical centrifugal die complex location axle.

Preferably, the guide post includes the guide disc, guide disc and slide cartridge fixed connection, slide cartridge and axle sleeve sliding fit, and open the slide cartridge lateral wall has the draw-in groove, and the draw-in groove cooperatees with the fixed double-deck limiting plate of establishing at the inside cavity of plummer, and slide cartridge axis department is fixed to be equipped with the screw rod the same with its length, screw rod and guide disc fixed connection, and thread drive is connected with the driving ring on the screw rod, and the driving ring is established on double-deck limiting plate and is connected with the transmission of second driver through the hold-in range.

Furthermore, a plurality of guide plates are circumferentially arranged on the guide disc, a conical part is arranged at the center of the guide disc, and the guide plates are connected through an annular plate.

Further, the driving ring comprises a main ring body, driving teeth are arranged on the outer side wall of the main ring body, driving threads are arranged on the inner side wall of the main ring body, the main ring body is connected with the screw rod in a transmission mode through the driving threads, and the main ring body is matched with the synchronous belt through the driving teeth.

Preferably, the conducting device comprises a supporting arm fixedly arranged on the supporting piece, a carbon brush is arranged on the supporting arm in a sliding mode, a spring is arranged between the supporting arm and the supporting arm, the carbon brush is electrically connected with the second driver, a conductive rail is fixedly arranged on the base, and the carbon brush is matched with the conductive rail.

Preferably, the vertical centrifugal die comprises an upper die and a lower die, a feed inlet matched with the sprue gate is formed in the upper die, an opening matched with the material guide column is formed in the bottom of the lower die, a positioning hole matched with the bearing table and a threaded hole are formed in the lower die, and the upper die is connected with the threaded hole through a bolt. Further, the pouring gate is fixedly arranged on a cantilever connected with the base.

The utility model has the advantages that: the bearing table is rotated through a first driver, so that the rotation of the vertical centrifugal die is realized; the pouring gate is fixedly connected with the base and is matched with the feeding hole of the vertical centrifugal mold to pour metal liquid into the vertical centrifugal mold; the vertical centrifugal die is matched with the material guide column, so that when metal liquid is poured, the metal liquid is firstly contacted with the material guide column and is thrown into the vertical centrifugal die along with the rotation of the bearing table, and meanwhile, the metal liquid is uniformly thrown into the vertical centrifugal die along with the lifting of the material guide column, and the phenomenon that the metal liquid cannot rotate to a high position only by the rotation of the vertical centrifugal die is prevented; the problem of among the prior art vertical centrifugal casting machine casting vertical high position part filling incomplete when the mould.

Drawings

In order to illustrate the embodiments of the present invention more clearly, the drawings that are needed in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and that other drawings can be obtained by those skilled in the art without inventive work.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic structural view of the base and the carrying platform of the present invention;

FIG. 3 is a schematic sectional view of the structure of the carrier table of the present invention;

FIG. 4 is a schematic view of the structure of the carrier of the present invention;

FIG. 5 is a schematic view of the structure of the guide plate of the present invention;

fig. 6 is a schematic view of the transmission ring structure of the present invention;

fig. 7 is a schematic structural view of the conductive device of the present invention;

fig. 8 is a schematic structural view of the vertical centrifugal mold of the present invention.

In the figure: 1: base, 2: plummer, 3: first driver, 4: a material guiding column, 5: second driver, 6: vertical centrifugal die, 7: pouring gate, 8: a seat body and 9: leg, 10: fixing plate, 11: bearing, 12: ring gear, 13: gear, 14: shaft sleeve, 15: support member, 25: positioning shaft, 16: card slot, 17: double-layer limiting plate, 18: screw, 19: drive ring, 20: synchronous belt, 29: guide plate, 30: annular plate, 21: main ring body, 22: carbon brush, 23: support arm, 24: conductive rail, 26: upper mold clamping, 27: lower mold clamping, 28: bolt, 33: cantilever, 35: guide disc, 36: and (4) a slide cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.

As shown in fig. 1 to 3, in embodiment 1, a large vertical centrifugal casting machine includes a base 1, a bearing platform 2 is rotatably disposed on the base 1, the bearing platform 2 is in transmission connection with a first driver 3 fixedly disposed on the base 1, and the first driver can drive the bearing platform to rotate so as to rotate a vertical centrifugal mold, thereby meeting basic conditions of centrifugal casting. The material guiding column 4 is arranged on the bearing platform 2 in a sliding mode, the material guiding column 4 is in transmission connection with a second driver 5 fixedly arranged inside the bearing platform 2, and the second driver can achieve lifting of the material guiding column. The second driver 5 is connected with the base 1 through a conductive device, a vertical centrifugal mold 6 is detachably arranged on the bearing table 2, the vertical centrifugal mold 6 is matched with the material guide column 4, and a pouring gate 7 matched with a feeding hole of the vertical centrifugal mold 6 is fixedly connected to the base 1. Wherein, the sprue gate is fixed to be connected and to cooperate with the feed inlet of vertical centrifugal mold and realize pouring the molten metal to vertical centrifugal mold inside.

When the embodiment is applied, when molten metal is poured, the guide column is located at an initial position and can be located at the highest position or the lowest position, the first driver is started to enable the bearing platform to rotate before pouring, the guide column rotates along with the bearing platform, then the molten metal enters the vertical centrifugal mold through the pouring port and contacts with the guide column, and is thrown into the vertical centrifugal mold along with the rotation of the bearing platform, and meanwhile, the molten metal is uniformly thrown into the vertical centrifugal mold from high to bottom or from low to high along with the lifting of the guide column, so that the phenomenon that the molten metal cannot rotate to the high position only by the rotation of the vertical centrifugal mold is prevented; the problem of among the prior art vertical centrifugal casting machine casting vertical high position part filling incomplete when the mould.

Embodiment 2, on the basis of embodiment 1, the base 1 includes a seat body, and the bottom of the seat body 8 is connected with the supporting leg 9, in this embodiment, preferably, three supporting legs are provided, which can form a stable supporting structure. The optional fixed sole that is equipped with in landing leg bottom, the sole passes through the bolt and fixes with ground to prevent that equipment from removing at the during operation. The lateral wall of the base body 8 is connected with a fixing plate 10, the first driver 3 is fixedly arranged on the fixing plate 10, the upper surface of the base body 8 is rotatably connected with the bearing platform 2 through a bearing 11, a through hole matched with the material guiding column 4 is formed in the center of the base body 8, and the through hole can meet the requirement of movement of the material guiding column. The bearing 11 is preferably a thrust roller bearing, which can both satisfy the rotation of the bearing platform and play a role in supporting the bearing platform.

As shown in fig. 4 and 5, in embodiment 3, in addition to embodiment 2, the susceptor 2 is a rotary circular table, and an internal cavity is provided in the rotary circular table, and one end of the rotary circular table is opened to form a semi-open cavity. The outer side wall of the bearing table 2 is provided with a gear ring 12, the gear ring 12 is in transmission connection with a gear 13 fixedly arranged on an output shaft of the first driver 3, a shaft sleeve 14 is arranged at the rotation center of the bearing table 2, the material guide column 4 is arranged on the shaft sleeve 14 in a sliding mode, the second driver 5 is fixedly arranged in an inner cavity of the bearing table 2 through a supporting piece 15, and a positioning shaft 25 matched with the vertical centrifugal mold 6 is arranged at the top of the bearing table 2. In the embodiment, the four positioning shafts are preferably arranged, and are circumferentially arranged at the top of the bearing table at equal intervals.

As shown in fig. 6, in embodiment 4, based on embodiment 3, the material guiding column 4 includes a guide plate 35, the guide plate 35 is fixedly connected to a sliding barrel 36, the sliding barrel 36 is in sliding fit with the shaft sleeve 14, a clamping groove 16 is formed in a side wall of the sliding barrel 36, preferably, two clamping grooves are formed in the embodiment, the two clamping grooves are arranged on the sliding barrel in a central symmetry manner, the clamping groove 16 is matched with a double-layer limiting plate 17 fixedly arranged in an inner cavity of the bearing platform 2, wherein the double-layer limiting plate includes two layers of limiting plates, and the two layers of limiting plates are connected through a structural block and fixed on the bearing platform. The draw-in groove and the cooperation of double-deck limiting plate can play the effect that prevents the smooth section of thick bamboo rotation to can make the relative double-deck limiting plate of smooth section of thick bamboo slip. The axis of the sliding cylinder 36 is fixedly provided with a screw 18 with the same length as the sliding cylinder, the screw 18 is fixedly connected with the guide disc 35, the screw 18 is in threaded transmission connection with a transmission ring 19, and the transmission ring 19 is arranged on the double-layer limiting plate 17 and is in transmission connection with the second driver 5 through a synchronous belt 20. The middle part of the double-layer limiting plate is provided with a through hole, a screw rod 18 rotates to penetrate through the through hole, and a transmission ring 19 is arranged on the screw rod in a transmission manner and located between the two limiting plates of the double-layer limiting plate so as to limit the transmission ring, so that the transmission ring rotates to enable the screw rod to move.

Further, a plurality of guide plates 29 are circumferentially arranged on the guide disc 35, the guide plates are circumferentially and equidistantly arranged on the guide disc, one ends of the guide plates 29 point to the rotation center of the guide disc, a conical portion is arranged at the rotation center of the guide disc 35 and can enable molten metal to naturally flow around when falling on the conical portion, so that the molten metal enters gaps among the guide plates and is thrown out under the limitation of the guide plates, the guide plates 29 are connected through annular plates 30, the annular plates can play a role in reinforcement, and the molten metal enters from a pouring gate and then passes through inner rings of the annular plates to fall onto the conical portion and is thrown out along with the rotation of the inner rings.

Further, the driving ring 19 includes a main ring body 21, the outer side wall of the main ring body 21 is provided with driving teeth, the inner side wall of the main ring body 21 is provided with driving threads, the main ring body 21 is in transmission connection with the screw rod 18 through the driving threads, and the main ring body 21 is matched with the synchronous belt 20 through the driving teeth.

When needs go up and down to the guide post, the second driver passes through the hold-in range and drives the driving ring rotatory, and the driving ring is rotatory and then make it take place relative displacement with the screw rod under screw-thread fit's effect, thereby the driving ring makes the screw rod remove by the restriction of double-deck limiting plate in the displacement direction, and the screw rod drives the relative axle sleeve of smooth section of thick bamboo and slides, makes the guide disc remove simultaneously.

As shown in fig. 7, in embodiment 5, based on embodiment 4, the conductive device includes a supporting arm 23 fixedly disposed on the supporting member 15, a carbon brush 22 is slidably disposed on the supporting arm 23, and a spring is disposed between the supporting arm 23 and the supporting arm, the carbon brush 22 is electrically connected to the second driver 5, a conductive rail 24 is fixedly disposed on the base 1, the carbon brush 22 is matched with the conductive rail 24, specifically, the conductive rail is an annular metal rail, the conductive rail is communicated with the control circuit, and is preferably disposed on a double-annular conductive rail, and a center of the annular metal rail coincides with a center of rotation of the plummer.

When the bearing table rotates, the carbon brush is in sliding fit with the conductive rail, and the circuit is communicated, so that the current of the control circuit can reach the second driver, and the second driver is controlled to work.

As shown in fig. 8, in embodiment 6, based on embodiment 5, the vertical centrifugal mold 6 includes an upper mold 26 and a lower mold 27, the upper mold 26 has a feed port matching with the sprue gate 7, the bottom of the lower mold 27 has an opening matching with the material guiding column 4, the lower mold 27 has a positioning hole and a threaded hole matching with the bearing table 2, and the upper mold 26 is connected with the threaded hole through a bolt 28. Further, the pouring gate 7 is fixedly provided on a cantilever 33 connected to the base 1.

When molten metal pouring is carried out, firstly, a lower die is matched with a positioning shaft 25 of a bearing table through a positioning hole, then an upper die is connected with the lower die through a bolt, so that a guide post is reset, the upper die 26 and the lower die 27 are driven by the bearing table to rotate, molten metal is poured by using a pouring gate, the molten metal is thrown into a model forming groove on the upper die 26 and the lower die under the action of the guide post and is lifted or lowered simultaneously, so that the molten metal is uniformly thrown into the model forming groove, the vertical high position can be filled with the molten metal along with the upward movement of the guide post, after the molten metal is cooled and solidified, a first driver is stopped, the guide post is lowered to the minimum, the bolt is dismounted, the upper die is opened, and the molded model is taken out.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A large-scale vertical centrifugal casting machine is characterized in that: including base (1), it is equipped with plummer (2) to rotate on base (1), plummer (2) are connected with fixed first driver (3) transmission of establishing on base (1), it is equipped with guide post (4) to slide on plummer (2), guide post (4) are connected with fixed second driver (5) transmission of establishing in plummer (2) inside, be connected through electrically conductive device between second driver (5) and base (1), can dismantle on plummer (2) and be equipped with vertical centrifugal mold (6), vertical centrifugal mold (6) cooperate with guide post (4), fixedly connected with and vertical centrifugal mold's (6) feed inlet matched with sprue gate (7) on base (1).

2. The large vertical centrifugal caster according to claim 1, characterized in that: base (1) includes pedestal (8), and pedestal (8) bottom is connected with landing leg (9), and pedestal (8) lateral wall is connected with fixed plate (10), and first driver (3) are fixed to be established on fixed plate (10), and pedestal (8) upper surface is connected through bearing (11) rotation with plummer (2), and pedestal (8) center department is equipped with and leads material post (4) matched with through-hole.

3. A large vertical centrifugal caster according to claim 1 or 2, characterized in that: plummer (2) are the solid of revolution round platform, plummer (2) lateral wall is equipped with ring gear (12), ring gear (12) are connected with fixed gear (13) transmission of establishing on first driver (3) output shaft, plummer (2) centre of rotation department is equipped with axle sleeve (14), guide post (4) slide and establish on axle sleeve (14), second driver (5) are fixed through support piece (15) and are established the inside cavity in plummer (2), plummer (2) top be equipped with vertical centrifugal die (6) complex location axle (25).

4. The large vertical centrifugal caster according to claim 3, characterized in that: guide post (4) are including guide plate (35), guide plate (35) and slide cartridge (36) fixed connection, slide cartridge (36) and axle sleeve (14) sliding fit, slide cartridge (36) lateral wall is opened has draw-in groove (16), draw-in groove (16) cooperate with fixed double-deck limiting plate (17) of establishing at the inside cavity of plummer (2), slide cartridge (36) axis department is fixed to be equipped with screw rod (18) the same rather than length, screw rod (18) and guide plate (35) fixed connection, screw thread transmission is connected with driving ring (19) on screw rod (18), driving ring (19) are established on double-deck limiting plate (17) and are connected with second driver (5) transmission through hold-in range (20).

5. The large vertical centrifugal caster according to claim 4, characterized in that: the guide disc (35) is circumferentially provided with a plurality of guide plates (29), the center of the guide disc (35) is provided with a conical part, and the guide plates (29) are connected through an annular plate (30).

6. The large vertical centrifugal caster according to claim 5, characterized in that: the transmission ring (19) comprises a main ring body (21), transmission teeth are arranged on the outer side wall of the main ring body (21), transmission threads are arranged on the inner side wall of the main ring body (21), the main ring body (21) is in transmission connection with the screw rod (18) through the transmission threads, and the main ring body (21) is matched with the synchronous belt (20) through the transmission teeth.

7. The large vertical centrifugal caster according to claim 6, characterized in that: the electric conduction device comprises a support arm (23) fixedly arranged on the support piece (15), a carbon brush (22) is arranged on the support arm (23) in a sliding mode, a spring is arranged between the support arm and the support arm, the carbon brush (22) is electrically connected with the second driver (5), a conductive rail (24) is fixedly arranged on the base (1), and the carbon brush (22) is matched with the conductive rail (24).

8. The large vertical centrifugal casting machine according to any one of claims 1, 2, and 3 to 7, wherein: the vertical centrifugal die (6) comprises an upper die (26) and a lower die (27), a feed inlet matched with the sprue gate (7) is formed in the upper die (26), an opening matched with the material guide column (4) is formed in the bottom of the lower die (27), a positioning hole matched with the bearing table (2) and a threaded hole are formed in the lower die (27), and the upper die (26) is connected with the threaded hole through a bolt (28).

9. The large vertical centrifugal caster according to claim 8, wherein: the pouring gate (7) is fixedly arranged on a cantilever (33) connected with the base (1).