CN209902197U

CN209902197U - Steel plate casting forming die for building

Info

Publication number: CN209902197U
Application number: CN201920348789.8U
Authority: CN
Inventors: 夏风
Original assignee: Zhangjiagang Yongmao Housing Industry Co Ltd
Current assignee: Zhangjiagang Yongmao Housing Industry Co Ltd
Priority date: 2019-03-19
Filing date: 2019-03-19
Publication date: 2020-01-07
Anticipated expiration: 2029-03-19

Abstract

The utility model discloses a steel plate casting forming die for building, which relates to the technical field of bearing plate production processing die, comprising an upper die and a lower die, wherein the top of the lower die is provided with a die cavity, the top of the upper die is provided with a sprue gate for molten metal casting, the upper die is internally provided with a casting channel, the casting channel comprises a main channel and a plurality of branch channels, the branch channels are arranged below the main channel, the main channel is communicated with the sprue gate, the branch channels run through the bottom of the upper die and are connected with the die cavity, and the upper die is also internally provided with a gas suction device for exhausting gas for the die cavity, the casting method of the utility model ensures that the time and the temperature of the molten metal reaching each die cavity in the casting process are approximately the same, after casting forming, the different surfaces of the cast steel plate have the same characteristics, the performance of the steel plate is better, in addition, the trapped gas in the, the metal liquid is not uniform in the cavity, no bubbles are generated, the welding of the steel plates is firm, and the strength is high.

Description

Steel plate casting forming die for building

Technical Field

The utility model relates to a bearing plate production mold processing technical field, in particular to steel sheet casting forming die for building.

Background

The steel plate is widely applied to various fields, the building industry is no exception, the steel plate is required to be used in large quantities in manufacturing high-rise building structures, large-span structures, roof steel plates and other important building structures, molten liquid is generally directly and vertically injected into a cavity from a casting channel of a metal casting mold when the existing mold molds the steel plate, and thus the molten metal is gathered at a certain position after entering the cavity and then is dispersed to various positions of the cavity.

In addition, a certain amount of gas is basically trapped in the cavity, which is called trapping gas, so that when a user carries out casting, metal liquid is unevenly distributed in the cavity, the welding of the steel plate is not firm, and the strength cannot reach the standard.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel sheet casting forming die for building for solve the technical problem that above-mentioned background art exists.

The technical scheme of the utility model is that the casting forming die for the steel plate for the building comprises an upper die and a lower die, wherein the top of the lower die is provided with a cavity, the top of the upper die is provided with a casting opening for casting molten metal, the upper die is internally provided with a casting channel, the casting channel comprises a main channel and a plurality of branch channels, the branch channels are arranged below the main channel, the main channel is communicated with the casting opening, the branch channels penetrate through the bottom of the upper die and are connected with the cavity, the upper die is internally provided with a gas suction device for exhausting the cavity, the gas suction device comprises a gas flow channel arranged in the upper die, the gas flow channel comprises a vertical part and a horizontal part, one end of the horizontal part is positioned on the outer side wall of the upper die plate, radially expands and is provided with an internal thread to form a connecting port, the other end is connected in the upper end of vertical portion, the lower extreme downwardly extending of this vertical portion forms the induction port on the binding face that last mould and lower mould laminated mutually, and radially expands to, threaded connection has a evacuation joint on the connector, the one end fixedly connected with air exhauster that the connector was kept away from to the evacuation joint.

Preferably, the upper die and the lower die are positioned and mounted through a positioning device, and the positioning device comprises a through hole formed in the lower surface of the upper die and a threaded cylinder formed in the upper surface of the lower die.

Preferably, the laminating department of going up mould and lower mould still is provided with the sealing washer, sealing washer fixed mounting is on the lower wall of last mould, but the holding has been seted up to the position that the lower mould corresponds the sealing washer the seal groove of sealing washer, the horizontal distance of seal groove to die cavity is greater than the distance of the vertical portion of airflow channel to die cavity.

Preferably, the upper die is provided with an air outlet communicated with the cavity, the air outlet is communicated with the cavity through an air outlet channel, the inner walls of the air outlet are provided with at least one annular bulge, the air outlet is provided with a matched plug, the plug is a plastic part and comprises a handheld part and a contact part which are integrally formed; the outer diameter of the contact part is larger than the diameters of the air inlet and the air outlet; the outer diameter of the contact part is provided with a plurality of annular grooves matched with the annular bulges in shape and number, and one end of each annular groove far away from the air outlet is also integrally formed with a guide part.

Preferably, the inner wall of the air outlet is provided with a high-temperature-resistant anti-slip coating.

Preferably, the upper end of the casting channel is provided with a casting baffle, the casting baffle is funnel-shaped, and a filter screen is clamped in the inner wall of the casting baffle.

Preferably, the number of the branch channels is 3.

Preferably, a cooling channel for cooling the cavity is further formed in the lower die, the cooling channel is bent, and a water inlet end and a water outlet end of the cooling channel are respectively located on two side walls of the lower die.

The utility model has the advantages as follows: this steel sheet casting forming die for building, pour into the molten metal through the sprue gate, the molten metal gets into a passageway from the main entrance of casting passageway, get into the die cavity by a plurality of passageways, this kind of casting method makes the molten metal arrive time and temperature in each die cavity roughly the same at the casting in-process, after the casting shaping, the characteristic of the different faces of the steel sheet of casting out is unanimous, the performance of steel sheet is better, wash out the stranded gas in the die cavity through gas suction device in addition, the user is when casting, the molten metal is inhomogeneous in the die cavity, can not produce the bubble, the steel sheet butt fusion is firm, high strength.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of the air outlet channel of the present invention;

fig. 3 is a schematic structural diagram of the plug of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

Referring to fig. 1 to 3, the technical objects of the present invention are achieved by a casting mold for a steel plate for construction, including an upper mold 1 and a lower mold 2, a cavity 3 is opened at the top of the lower mold 2, a sprue gate for molten metal casting is opened at the top of the upper mold 1, a casting channel 5 is opened inside the upper mold 1, the casting channel 5 includes a main channel 51 and a plurality of branch channels 52, the number of the branch channels 52 is preferably 3, the branch channels 52 are disposed below the main channel 51, the main channel 51 is communicated with the sprue gate, the branch channels 52 penetrate through the bottom of the upper mold 1 and are connected with the cavity 3, molten metal is injected through the sprue gate, the molten metal enters the branch channels 52 from the main channel 51 of the casting channel 5 and enters the cavity 3 through the plurality of branch channels 52, and the casting method makes the time and temperature of the molten metal in each cavity 3 substantially equal during casting, after the casting molding, the characteristics of the different faces of the cast steel plate are consistent, the performance of the steel plate is good, the outer branch channel 52 can also play a role in feeding, and the molten metal is left in the branch channel 52 during the casting to cause certain pressure on the molten metal in the cavity 3, so that the molten metal retracted due to cooling in the cavity 3 is fed, and the size of the cast steel plate is more in accordance with the design standard.

The upper die 1 is also internally provided with a gas suction device for sucking the cavity 3, the gas suction device comprises a gas flow channel 6 arranged in the upper die 1, the gas flow channel 6 comprises a vertical part 61 and a horizontal part 62, one end of the horizontal part 62 is positioned on the outer side wall of the upper die 1 plate and is radially expanded and provided with an internal thread to form a connecting port, the other end of the horizontal part is connected with the upper end of the vertical part 61, the lower end of the vertical part 61 extends downwards to the joint surface of the upper die 1 and the lower die 2 and radially expands to form a suction port, the connecting port is in threaded connection with a vacuumizing joint 7, one end of the vacuumizing joint 7, which is far away from the connecting port, is fixedly connected with an exhaust fan 8, the exhaust fan 8 is connected with the horizontal part 62 of the gas flow channel 6 through the vacuumizing joint 7, trapped gas in the cavity 3 is pumped out through the exhaust fan 8, and, the metal liquid is not uniform in the cavity 3, no bubbles are generated, the welding of the steel plates is firm, and the strength is high. Go up mould 1 and lower mould 2 and realize the location installation through a positioner, positioner is including setting up in the through-hole 91 of last mould 1 lower surface and setting up through-hole 91 and the screw thread section of thick bamboo 92 on the connecting block 9 of mould 1 and lower mould 2 both ends on the screw thread section of thick bamboo 92 of 2 upper surfaces of lower mould, realizes going up the quick location of mould 1 and lower mould 2, the laminating department of going up mould 1 and lower mould 2 still is provided with sealing washer 10, sealing washer 10 fixed mounting is on the lower wall of last mould 1, but the holding has been seted up to the position that lower mould 2 corresponds sealing washer 10 the seal groove 11 of sealing washer 10, seal groove 11 is greater than the distance of 6 vertical portions 61 of air current passageway to die cavity. The sealing ring 10 can ensure that the cavity 3 is not communicated with the outside air, and the vertical part 61 of the airflow channel 6 is arranged between the sealing groove 11 and the cavity 3, so that the exhaust fan 8 is ensured not to be communicated with the outside when trapped air is pumped.

The upper die 1 is provided with a gas outlet 12 communicated with the cavity 3, the inner wall of the gas outlet 12 is provided with a high-temperature-resistant anti-slip coating, the gas outlet 12 is communicated with the cavity 3 through a gas outlet channel, the inner wall of the gas outlet 12 is provided with at least one annular bulge 13, the gas outlet 12 is provided with a matched plug 14, the plug 14 is a plastic part and comprises a handheld part 15 and a contact part 16 which are integrally formed; a plurality of annular grooves 17 matched with the annular protrusions 13 in shape and number are formed in the outer diameter of the contact part 16, and a guide part 18 is integrally formed at one end of each annular groove 17 far away from the air outlet 12. The air outlet 12 is completely sealed and blocked by the plug 14 through the interference fit of the annular protrusion 13 and the annular groove 17, no air enters the steel plate forming process, and the vacuum state in the cavity 3 is guaranteed. In addition, the plug 14 cannot fall off due to cleaning and maintenance of the mold in the sealing mode.

The upper end of the casting channel 5 is provided with a casting baffle 19, the casting baffle 19 is funnel-shaped, and a filter screen 20 is clamped in the inner wall of the casting baffle 19. The funnel-shaped casting baffle 19 facilitates casting, and the filter screen 20 removes impurities from the molten metal.

The cooling channel 21 for cooling the cavity 3 is further formed in the lower die 2, the cooling channel 21 is bent, the water inlet end and the water outlet end of the cooling channel 21 are respectively located on two side walls of the lower die 2, the bent cooling channel 21 can increase cooling water in the lower die 2, and the cooling effect is better.

The above description specifically describes the preferred embodiment of the present invention, but of course, the present invention can also adopt different forms from the above embodiments, and equivalent changes or corresponding modifications made by those skilled in the art without departing from the spirit of the present invention should fall within the protection scope of the present invention.

Claims

1. The utility model provides a steel plate casting forming die for building, includes mould and lower mould, the die cavity, its characterized in that have been seted up at the top of lower mould: the top of the upper die is provided with a casting opening for casting molten metal, a casting channel is arranged in the upper die and comprises a main channel and a plurality of branch channels, the branch channels are arranged below the main channel and are communicated with the casting opening, the branch channels penetrate through the bottom of the upper die and are connected with the die cavity, an air suction device for sucking air from the die cavity is further arranged in the upper die and comprises an air flow channel arranged in the upper die, the air flow channel comprises a vertical part and a horizontal part, one end of the horizontal part is positioned on the outer side wall of the upper die and is radially expanded and provided with an internal thread to form a connecting port, the other end of the horizontal part is connected to the upper end of the vertical part, the lower end of the vertical part extends downwards to the joint surface of the upper die and the lower die and is radially expanded to form an air suction port, and a vacuumizing joint is in threaded connection with the connecting port, and one end of the vacuumizing joint, which is far away from the connecting port, is fixedly connected with an exhaust fan.

2. The steel plate for construction casting mold as claimed in claim 1, wherein: the upper die and the lower die are positioned and installed through a positioning device, and the positioning device comprises a through hole formed in the lower surface of the upper die and a threaded cylinder formed in the upper surface of the lower die.

3. The steel plate for construction casting mold as claimed in claim 2, wherein: the laminating department of going up mould and lower mould still is provided with the sealing washer, sealing washer fixed mounting is on the lower wall of last mould, but the holding has been seted up to the position that the lower mould corresponds the sealing washer the seal groove of sealing washer, the horizontal distance of seal groove to die cavity is greater than the distance of the vertical portion of air flow channel to die cavity.

4. The steel plate for construction casting mold as claimed in claim 3, wherein: the upper die is provided with a gas outlet communicated with the cavity, the gas outlet is communicated with the cavity through a gas outlet channel, the inner wall of the gas outlet is provided with at least one annular bulge, the gas outlet is provided with a matched plug, the plug is a plastic part and comprises a handheld part and a contact part which are integrally formed; the outer diameter of the contact portion is larger than the diameter of the air outlet; the outer diameter of the contact part is provided with a plurality of annular grooves matched with the annular bulges in shape and number, and one end of each annular groove far away from the air outlet is also integrally formed with a guide part.

5. The steel plate for construction casting mold as claimed in claim 4, wherein: and the inner wall of the air outlet is provided with a high-temperature-resistant anti-skid coating.

6. The steel plate for construction casting mold as claimed in claim 5, wherein: the casting passageway upper end is provided with the casting baffle, the casting baffle is hourglass hopper-shaped, and a filter screen joint is in the inner wall of casting baffle.

7. The steel plate for construction casting mold as claimed in claim 6, wherein: the number of the branch channels is 3.

8. The steel plate for construction casting mold as claimed in claim 7, wherein: the cooling channel for cooling the cavity is further formed in the lower die and is bent, and the water inlet end and the water outlet end of the cooling channel are respectively located on two side walls of the lower die.