CN220462140U

CN220462140U - Pouring cup capable of preventing molten iron from rotating in casting process

Info

Publication number: CN220462140U
Application number: CN202321871445.8U
Authority: CN
Inventors: 刘永其; 曹立为; 周杰敏; 伊丽艳; 杨梦迪; 厉凌峰; 张顺
Original assignee: Jinhua Wanliyang Machinery Manufacturing Co ltd
Current assignee: Zhejiang Wanliyang High end Casting Co.,Ltd.
Priority date: 2023-07-17
Filing date: 2023-07-17
Publication date: 2024-02-09
Anticipated expiration: 2033-07-17

Abstract

The utility model provides a pouring cup capable of preventing rotation in a water lifting casting process, and particularly relates to the technical field of casting. The utility model provides a flow guiding piece, a pouring cup and other parts. The device can control the flow speed of molten iron by utilizing the flow passage arranged in the flow guiding piece, and avoid the too high or too low flow speed; meanwhile, the exhaust port arranged on the side face of the shell can avoid the condition that gas cannot escape in the molten iron casting process, and the inclined channel can avoid molten iron splashing. The utility model is provided with the convex rib structure, molten iron can flow to the pipe wall in the casting process, and the convex rib structure arranged on the pipe wall of the pouring cup forms a non-circular section, so that molten iron can be prevented from forming rotational flow to cause splashing.

Description

Pouring cup capable of preventing molten iron from rotating in casting process

Technical Field

The utility model relates to the technical field of casting, in particular to a pouring cup capable of preventing rotation in a molten iron casting process.

Background

At present, the casting of metals such as copper alloy adopts an ingot mould casting process or a bottom casting process, wherein the ingot mould casting process is to pour copper alloy molten metal into an ingot mould from the upper part of the ingot mould by a ladle, and the molten metal directly falls into the bottom of the ingot mould from a high position, so that the problems of splashing, cold insulation and the like are easy to generate, and the casting quality is influenced.

The lost foam is a shape of a mechanical part such as a case cover, a case body. The lost foam is buried in sand, molten iron is poured into the lost foam, the lost foam disappears when meeting molten iron, the shape of the lost foam in the sand is the same, and the molten iron can not melt the sand, so that the space of the lost foam is filled with the molten iron, the shape of a part is the shape after the molten iron is cooled, and the lost foam is used.

The pouring cup is used for being connected with the lost foam and is located at the pouring gate inlet, the traditional pouring cup is in a horn shape, the inner wall is smooth, the molten iron cannot be guaranteed to be just located in the center when pouring onto the pouring cup, and therefore the molten iron is poured onto the inner wall of the pouring cup with high probability, the molten iron can rotate on the inner wall of the pouring cup, centrifugal force exists when the molten iron rotates, the molten iron can splash out, and the splash breaks away from the range of the diameter of the pouring cup.

In response to the deficiencies of the prior art, the patent provides some solutions to US6586705B1, which include a splash guard that directs the splash to the bottom of the duct by directing the splash to an opening in the duct. Contact solidification at the high thermal conductivity surface to facilitate removal from the tube. However, the problem that the slag may block the channel when the molten iron flows into the pouring cup is not well solved, and the inventor considers that the problem has a great room for improvement.

Disclosure of Invention

In order to keep the flow velocity stable in the molten iron casting process, reduce molten iron splashing and reduce the phenomenon that residues block the pouring cup, the utility model provides the pouring cup capable of preventing rotation in the molten iron casting process. The technical scheme provided by the utility model is as follows: the pouring cup capable of preventing the molten iron from rotating in the casting process comprises a pouring cup, two ends of the pouring cup are communicated, a plurality of convex ribs are arranged on the inner wall of the pouring cup in a surrounding mode, a flow guiding piece is sleeved outside the pouring cup and comprises a shell, the top end of the shell is connected with a cover plate, a drainage hole is formed in the surface of the cover plate, an exhaust port is formed in one side of the shell, a convex substrate is fixedly connected to one side of the shell, first plate bodies are arranged on two sides of the convex substrate, and a rotating substrate is fixedly connected to one side of the first plate bodies.

Further, the apron that this shell upper portion set up is rotatable parts, be connected through the pivot between apron rear end and the protruding base member, make the apron can rotate from top to bottom for protruding base member, protruding base member external edge is circular-arc, and protruding base member both sides fixedly connected with first plate body, when clamping device presss from both sides the water conservancy diversion piece wholly, in order to avoid the water conservancy diversion piece pine to take off, the department trompil in cylindricality rotation base member center department, the locating lever on the clamping device can insert this department trompil, avoid the water conservancy diversion piece to take place to slide at the clamping in-process, simultaneously the water conservancy diversion piece left and right sides atress of clamping in-process, first plate body atress is crooked to the center, protruding base member design becomes circular-arc shape when can better fit first plate body to the center bending, avoid first plate body and protruding base member contact department to produce the crack.

Further, the apron upper surface has offered drainage hole near protruding base member one end, this drainage hole below is connected with drainage passageway, the drainage passageway is formed by the passageway combination of vertical setting and slope setting respectively, the exit end of drainage passageway is provided with the pouring basin, pouring basin outside cover is equipped with the shell, and a little passageway of drainage passageway stretches into pouring basin inside, when the water conservancy diversion cover is established on the pouring basin, pouring basin cup edge part is blocked firmly by the crack between drainage passageway and the protruding base member just, simultaneously because produce a large amount of gas in casting process easily, consequently be provided with the gas vent in shell one side, the position that the gas vent set up is higher, can avoid in molten iron casting in-process part molten iron to splash out from the gas vent like this.

Further, the drainage channel is arranged to be two parts, so that the circulation speed of molten iron after the molten iron filling device can be controlled, when molten iron is filled, the molten iron falls into the inclined channel from the vertical channel and flows into the pouring cup, and even if a large amount of molten iron is filled at one time, the molten iron can flow into the pouring cup at a certain speed, so that the filter disc in the pouring cup is prevented from being blocked due to the fact that the molten iron flows into the pouring cup at one time.

In the utility model, the convex rib extends from the upper end surface to the lower end surface of the pouring cup, and the filter disc is arranged in the pouring cup.

Further, the cross section of the convex rib is semi-oval, wherein the convex rib takes the axis of the pouring cup as the axis, and the adjacent convex ribs form an angle of 90 degrees, wherein the convex rib can enable the inner wall of the pouring cup to form a non-circular surface, molten iron liquid is prevented from swirling in the casting process, centrifugal rotation splashing of molten iron is reduced, an opening at the upper end of the pouring cup is larger than an opening at the lower end of the pouring cup, even if a large amount of poured molten iron splashes upwards after touching the convex rib, the pouring cup is not easy to separate from the range of the large opening at the upper end of the pouring cup, and the pouring cup can fall back into the pouring cup.

In the utility model, the filter disc comprises a filter shell, wherein the bottom of the filter shell is connected with a first sleeve, a first cylinder is sleeved in the first sleeve, and the bottom of the first cylinder is connected with a second sleeve.

Further, the filter disc is arranged in the middle of the pouring cup, the connecting column is arranged at the position, close to the bottom end, of the second sleeve of the filter disc, the connecting column is fixedly connected with the inner wall of the pouring cup, and the funnel-shaped pouring cup is weak in skimming capacity, so that the filter disc is matched for use, molten iron is required to be filled in the pouring cup in the molten iron casting process, molten iron is always filled above the pouring cup, the molten iron flows downwards through holes of the filter screen, and impurities contained in the molten iron can be intercepted by the filter screen.

In the utility model, a spring is connected in the first sleeve, the other end of the spring is connected with the second sleeve, and the spring is arranged at the center of the first cylinder.

In the utility model, the filtering outer shell comprises an inner shell, a filter screen is sleeved at the center of the inner shell, a plurality of grooves are distributed at intervals on the end face of the inner shell, an outer shell is sleeved at the outer side of the inner shell, and a plurality of square grooves are distributed at intervals on the side face of the outer shell.

Further, when pouring molten iron, the first sleeve and the spring are pressed down under the action of gravity, the volume of the partially stored molten iron on the pouring cup can be enlarged, meanwhile, when the first sleeve descends, the spring is compressed, the rebound force of the spring pushes the first sleeve back, the first sleeve is easy to shake, and residues adhered to the filter screen are shaken off, so that the scraping plate is convenient to collect.

Further, the square groove that the shell body set up can take place the effect of joint with protruding muscle, in molten iron casting process, avoids molten iron to reveal from the filter disc side, has avoided the filter disc to take place to rotate at the in-process that sinks simultaneously.

In the utility model, a scraping plate is arranged at the center of a filter screen, a plurality of filter holes are arranged on the surface of the filter screen in an array manner, and the filter holes are arranged around the scraping plate.

In the utility model, the scraping plate comprises a first rotating shaft, the side surface of the first rotating shaft is connected with a plurality of first rod bodies, and the side surface of the first rod bodies is fixedly connected with a brush plate.

Further, the scraping plate can scrape the residues trapped on the surface of the filter screen, meanwhile, when the first sleeve descends, molten iron is settled together, and residues suspended in the molten iron can be further filtered by the brush plate.

Compared with the prior art, the utility model has the advantages that: the circulation channel arranged in the guide piece can control the circulation speed of molten iron, so that the excessively high or excessively low flow speed is avoided; meanwhile, the side face is provided with the exhaust port, so that the condition that gas cannot escape in the molten iron casting process can be avoided, and the inclined channel can be utilized to avoid molten iron splashing. The utility model is provided with the convex rib structure, molten iron can circulate to the pipe wall at first in the casting process, the convex rib structure arranged on the pipe wall of the pouring cup forms a non-circular section, so that molten iron can be prevented from forming rotational flow to cause splashing, and meanwhile, the middle part of the funnel-shaped pouring cup is provided with the filter disc and the scraping plate, so that residues contained in the molten iron can be scraped to a great extent, and the casting precision is improved.

Drawings

FIG. 1 is a schematic view showing a structure of a pouring cup for preventing rotation during molten iron casting according to the present utility model;

FIG. 2 is a schematic view of the structure of a pouring cup according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a flow guiding member according to the present utility model;

FIG. 4 is a schematic cross-sectional view of a pouring cup according to the present utility model;

FIG. 5 is a schematic view of a filter disc structure according to the present utility model;

FIG. 6 is a schematic cross-sectional view of a filter tray according to the present utility model;

fig. 7 is a schematic view of a blade structure according to the present utility model.

Reference numerals illustrate: 1-a flow guiding piece; 11-cover plate; 12-drainage holes; 121-drainage channel; 13-exhaust port; 14-a first plate; 15-rotating the substrate; 2-pouring cup; 21-convex ribs; 3-a filter disc; 31-a filter housing; 311-an inner shell; 312-an outer housing; 313-square groove; 314-a filter screen; 32-scraping plates; 321-a first rotating shaft; 322-a first stick body; 323-brushing the plate; 33-a first sleeve; 34-a first column; 341-a spring; 35-a second column; 351-connecting rods.

Detailed Description

Example 1:

referring to fig. 1 and 3, the technical scheme provided by the utility model is as follows: the pouring cup capable of preventing rotation in the molten iron casting process comprises a pouring cup 2, two ends of the pouring cup 2 are communicated, a plurality of convex ribs 21 are arranged on the inner wall of the pouring cup 2 in a surrounding mode, a flow guide piece 1 is sleeved outside the pouring cup 2, the flow guide piece 1 comprises a shell 17, the top end of the shell 17 is connected with a cover plate 11, a drainage hole 12 is formed in the surface of the cover plate 11, an exhaust port 13 is formed in one side of the shell 17, a convex substrate 16 is fixedly connected to the side face of the shell 17, first plate bodies 14 are arranged on two sides of the convex substrate 16, and a rotary substrate 15 is fixedly connected to the side face of the first plate body 14.

Referring to fig. 1 and 3, further, the cover plate 11 disposed on the upper portion of the shell 17 is a rotatable component, and the rear end of the cover plate 11 is connected with the raised base 16 through a rotating shaft, so that the cover plate 11 can rotate up and down relative to the raised base 16, the outer edge of the raised base 16 is arc-shaped, and two sides of the raised base 16 are fixedly connected with the first plate body 14.

Referring to fig. 3, further, on the upper surface of the cover plate 11, a drainage hole 12 is formed at one end close to the raised substrate 16, a drainage channel 121 is connected below the drainage hole 12, the drainage channels 121 are respectively formed by combining vertically arranged channels and obliquely arranged channels, a pouring cup 2 is arranged at the outlet end of the drainage channel 121, a shell 17 is sleeved outside the pouring cup 2, a small section of channel of the drainage channel 121 stretches into the pouring cup 2, when the flow guide piece 1 is sleeved on the pouring cup 2, the edge part of the pouring cup 2 is just clamped by a gap between the drainage channel 121 and the raised substrate 16, and meanwhile, a large amount of gas is easily generated in the casting process, so that an exhaust port 13 is arranged at one side of the shell 17, and the position of the exhaust port 13 is higher, so that part of molten iron can be prevented from splashing out of the exhaust port 13 in the molten iron casting process.

Further, the drainage channel 121 is provided in two parts to control the flow rate of the molten iron after the molten iron pouring device, when molten iron is poured, the molten iron falls into the inclined channel from the vertical channel and flows into the pouring cup 2, and even if a large amount of molten iron is poured at one time, the molten iron can flow into the pouring cup 2 at a certain rate, so that the filter disc 3 in the pouring cup 2 is prevented from being blocked due to the fact that the molten iron flows into the pouring cup 2 at one time.

Example 2:

this embodiment differs from embodiment 1 in that, referring to fig. 4, in the present utility model, the bead 21 extends from the upper end surface to the lower end surface of the tundish 2, and the tundish 3 is disposed inside the tundish 2.

Further, the cross section of the convex rib 21 is semi-oval, wherein the convex rib 21 takes the axis of the pouring cup 2 as the axis, and the adjacent convex ribs form an angle of 90 degrees, wherein the convex rib 21 can enable the inner wall of the pouring cup 2 to form a non-circular surface, molten iron liquid is prevented from swirling in the casting process, centrifugal rotation splashing of molten iron is reduced, an opening at the upper end of the pouring cup 2 is larger than an opening at the lower end, and even if a large amount of poured molten iron splashes upwards after hitting the convex rib, the poured molten iron is not easy to separate from the range of a large opening at the upper end of the pouring cup 2, and can fall back into the pouring cup 2.

Referring to fig. 5, in the present utility model, the filter disc 3 includes a filter housing 31, a first sleeve 33 is connected to the bottom of the filter housing 31, a first column 34 is sleeved in the first sleeve 33, and a second sleeve 35 is connected to the bottom of the first column 34.

Further, as shown in fig. 6, the filter disc 3 is disposed in the middle of the pouring cup 2, the second sleeve 35 of the filter disc 3 is disposed near the bottom end and is fixedly connected with the inner wall of the pouring cup 2, and the filter disc 3 is required to be matched for use because of weak skimming capability of the funnel-shaped pouring cup 2, during casting of molten iron, the pouring cup 2 is required to be filled with molten iron, so that molten iron is always filled above the pouring cup 2, the molten iron flows downwards through holes of the filter screen 314, and impurities contained in the molten iron can be intercepted by the filter screen 314.

In the present utility model, a spring 341 is connected to the inside of the first sleeve 33, the other end of the spring 341 is connected to the second sleeve 35, and the spring 341 is disposed at the center of the first column 34.

In the utility model, the filtering outer shell 31 comprises an inner shell 311, a filter screen 314 is sleeved at the center of the inner shell 311, a plurality of grooves are distributed at intervals on the end face of the inner shell 311, an outer shell 312 is sleeved at the outer side of the inner shell 311, and a plurality of square grooves 313 are distributed at intervals on the side face of the outer shell 312.

Further, when pouring molten iron, the first sleeve 33 and the spring 341 are pressed down by gravity, so that the volume of the molten iron partially stored on the pouring cup 2 can be enlarged, meanwhile, when the first sleeve 33 descends, the spring 341 is compressed, the rebound force of the spring 341 pushes the first sleeve 33 back, the first sleeve 33 is easy to shake, and residues adhered to the filtering holes on the filtering net 341 are shaken off, so that the scraping plate 32 is convenient to collect.

Further, the square groove 313 provided in the outer casing 312 can be clamped with the ribs 21, so that molten iron is prevented from leaking from the side surface of the filter disc 3 in the molten iron casting process, and meanwhile, the filter disc 3 is prevented from rotating in the sinking process.

In the utility model, a scraping plate 32 is arranged at the center of a filter screen 314, a plurality of filter holes are arranged on the surface of the filter screen 314 in an array manner, and the filter holes are arranged around the scraping plate 32.

Referring to fig. 7, in the present utility model, the scraping plate 32 includes a first rotating shaft 321, a plurality of first rod bodies 322 are connected to a side surface of the first rotating shaft 321, and a brush plate 323 is fixedly connected to a side surface of the first rod bodies 322.

Further, the scraper 32 can scrape off the residue trapped on the surface of the filter screen 314, and simultaneously, when the first sleeve 33 descends, molten iron is settled together, and the brush plate 323 can further filter out the residue suspended in the molten iron.

The above embodiments are only described to assist the understanding of the present utility model and the core idea, and it should be noted that it will be obvious to those skilled in the art that several improvements and modifications can be made to the present utility model without departing from the principle of the present utility model, and these improvements and modifications also fall within the protection scope of the claims of the present utility model.

Claims

1. Prevent rotatory pouring basin in molten iron casting process, including pouring basin (2), pouring basin (2) both ends link up, pouring basin (2) inner wall encircles and sets up a plurality of protruding muscle (21), its characterized in that, pouring basin (2) outside cover is equipped with water conservancy diversion piece (1), water conservancy diversion piece (1) include, shell (17) top is connected with apron (11), drainage hole (12) are seted up on apron (11) surface, gas vent (13) are seted up to shell (17) one side, shell (17) side fixedly connected with protruding base member (16), protruding base member (16) both sides are provided with first plate body (14), first plate body (14) side fixedly connected with rotates base member (15).

2. Pouring cup for preventing rotation during molten iron casting according to claim 1, characterized in that the bead (21) extends from the upper end surface to the lower end surface of the pouring cup (2), and that a filter disc (3) is arranged inside the pouring cup (2).

3. Pouring cup for preventing rotation during molten iron casting according to claim 2, characterized in that the filter disc (3) comprises a filter housing (31), a first sleeve (33) is connected to the bottom of the filter housing (31), a first cylinder (34) is sleeved in the first sleeve (33), and a second sleeve (35) is connected to the bottom of the first cylinder (34).

4. A pouring cup for preventing rotation in molten iron casting according to claim 3, wherein a spring (341) is connected in the first sleeve (33), the other end of the spring (341) is connected with a second sleeve (35), and the spring (341) is arranged at the center of the first cylinder (34).

5. A pouring cup for preventing rotation in a molten iron casting process according to claim 3, wherein the filtering outer shell (31) comprises an inner shell (311), a filter screen (314) is sleeved at the center of the inner shell (311), a plurality of grooves are distributed at intervals on the end face of the inner shell (311), an outer shell (312) is sleeved at the outer side of the inner shell (311), and a plurality of square grooves (313) are distributed at intervals on the side face of the outer shell (312).

6. The pouring cup for preventing rotation in molten iron casting according to claim 5, wherein a scraping plate (32) is arranged at the center of the filter screen (314), a plurality of filter holes are formed in an array on the surface of the filter screen (314), and the filter holes are arranged around the scraping plate (32).

7. The pouring cup for preventing rotation in molten iron casting process according to claim 6, wherein the scraping plate (32) comprises a first rotating shaft (321), a plurality of first rod bodies (322) are connected to the side surfaces of the first rotating shaft (321), and brush plates (323) are fixedly connected to the side surfaces of the first rod bodies (322).