CN218926160U

CN218926160U - Cast iron pouring gate device

Info

Publication number: CN218926160U
Application number: CN202223082591.0U
Authority: CN
Inventors: 胡广; 傅世尧; 曹绪昆; 傅继勇; 于志远
Original assignee: Ningbo Zhenhai Yongli Machinery Foundry Co ltd
Current assignee: Ningbo Zhenhai Yongli Machinery Foundry Co ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-04-28
Anticipated expiration: 2032-11-21

Abstract

The utility model relates to the technical field of casting equipment, and discloses a cast iron sprue device which comprises a first sprue bush and a second sprue bush arranged at the lower end of the first sprue bush, wherein a first lantern ring is arranged on the first sprue bush, a plugboard is arranged on the inner wall of the first lantern ring, the outer end of the plugboard is connected with the first sprue bush in a penetrating way, a metal sheet is arranged at the lower end of the plugboard, a second lantern ring is arranged at the lower end of the metal sheet, the outer wall of the second lantern ring is connected with the first sprue bush, a filter screen is arranged on the inner wall of the second lantern ring and used for blocking particles in liquid metal, the liquid metal conveniently filters the liquid metal, and the liquid metal flows downwards along with the gradient of the first lantern ring, is more difficult to contact with the inner walls of the first sprue bush and the second sprue bush, therefore, the possibility of splashing of the liquid metal is reduced, and the finished product effect is good.

Description

Cast iron pouring gate device

Technical Field

The utility model relates to the technical field of casting equipment, in particular to a cast iron pouring gate device.

Background

Casting is a metal hot working process which is relatively early known by people, and is a method for obtaining a part or a blank by casting liquid metal into a casting cavity which is suitable for the shape of the part and cooling and solidifying the liquid metal. The casting equipment is provided with a pouring gate, wherein the pouring gate is also called a feeding port, and refers to a section of channel from a diversion channel to a die cavity, and the section of the pouring system is the smallest and shortest part. In metal casting, molten metal enters the inlet and passage of the mold during casting.

In the using process of the sprue bush, the liquid metal is poured from the sprue bush, the situation that the poured liquid metal is completely melted is difficult to ensure, if metal particles are poured together, the surface of a cast finished product is not complete and smooth, the effect of the finished product is poor, the inner wall of the traditional sprue bush is of an annular structure, a vortex is generated during pouring, the liquid metal is easy to splash to the outer side of the sprue bush along with the vortex, and the mould is easy to damage due to the unstable attribute of the liquid metal, so that the use of a subsequent product is influenced; therefore, the existing demand is not met, and for this purpose we propose a cast iron gating device.

Disclosure of Invention

The utility model provides a cast iron pouring gate device which has the beneficial effects of being convenient for filtering liquid metal, reducing splashing of the liquid metal and being convenient for carrying out stable input on the liquid metal, and solves the problems that the liquid metal is easy to splash to the outer side of a pouring gate sleeve along with vortex in the prior art, and the mould is easy to damage and the use of subsequent products is affected due to unstable attribute of the liquid metal.

The utility model provides the following technical scheme: the utility model provides a cast iron runner device, includes first runner cover and installs the second runner cover at first runner cover lower extreme, first lantern ring is sheathe in to first runner, install the plugboard on the inner wall of first lantern ring, the outer end and the first runner cover of plugboard alternate to be connected, the sheetmetal is installed to the lower extreme of plugboard, the lower extreme of sheetmetal is provided with the second lantern ring, the outer wall and the first runner cover of second lantern ring are connected, install the filter screen on the inner wall of second lantern ring.

As an alternative to the cast iron gating device according to the utility model, wherein: the height of the inner walls of the first lantern ring and the second lantern ring is lower than that of the outer wall.

As an alternative to the cast iron gating device according to the utility model, wherein: the inner wall of the first sprue bush is provided with a positioning block, and the first lantern ring is lapped on the positioning block.

As an alternative to the cast iron gating device according to the utility model, wherein: and a guide plate is arranged on the inner wall of the second sprue bush in a threaded manner, and the section of the guide plate is trapezoid.

As an alternative to the cast iron gating device according to the utility model, wherein: and a lapping plate is commonly installed between the first sprue bush and the second sprue bush, and the filter screen is arranged on the lapping plate.

As an alternative to the cast iron gating device according to the utility model, wherein: the upper end of the metal sheet is fixedly provided with a rubber block, the area of the rubber block is larger than that of the metal sheet, and the rubber block is also provided with a handle.

As an alternative to the cast iron gating device according to the utility model, wherein: the plug board is provided with a clamping hole and a through hole, the through hole is matched with the metal sheet, the clamping hole is matched with the rubber block, and the highest position of the handle is lower than the depth of the clamping hole.

As an alternative to the cast iron gating device according to the utility model, wherein: screw holes are commonly formed between the plugboard and the first lantern ring, and the screw holes are communicated with the clamping holes.

The utility model has the following beneficial effects:

1. this cast iron runner device, the filter screen passes through the second lantern ring and installs in first runner cover, produce the wall in making first runner cover for stop the granule in the liquid metal, be convenient for filter liquid metal, avoid in the granule gets into the mould, first runner cover is connected for dismantling with the filter screen, can change the filter screen, liquid metal flows down along with the slope of first lantern ring, liquid metal concentrates the central part at first runner cover, and concentrate in the upper end of filter screen, liquid metal concentrates the back, be difficult to contact with the inner wall of first runner cover and second runner cover, consequently also can not be the vortex form and flow down, the possibility that liquid metal splashes has been reduced, the finished product is effectual.

2. This cast iron runner device, the inside diameter of deflector is less than the inside diameter of second runner cover, and the diameter of second lantern ring is unanimous with second runner cover inside diameter, therefore the filter screen of second lantern ring and lower extreme can not drop from the deflector, has spacing effect, installs detachable deflector at second runner cover inner wall, and liquid metal can not the vortex type downstream, has further reduced the production of liquid metal vortex, excellent in use effect.

3. This cast iron runner device, the rubber piece overlap joint is in the upper end of plugboard, and the rubber piece has elasticity, and when liquid metal goes out, its impact force can drive the filter screen and sink, and then drives the rubber piece compression, makes the filter screen have the buffer force, has slowed down the impact of liquid metal to the filter screen, has the protectiveness, has increased the life of filter screen.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a partial cross-sectional view of a first sprue bush and a second sprue bush of the present utility model.

Fig. 3 is a schematic diagram of a filter screen according to the present utility model.

Fig. 4 is an enlarged view of fig. 3 a in accordance with the present utility model.

In the figure: 1. a first sprue bush; 11. a positioning block; 12. a lapping plate; 2. a second sprue bush; 21. a guide plate; 3. a first collar; 31. a plug board; 32. a clamping hole; 33. a through hole; 34. a screw hole; 4. a second collar; 41. a metal sheet; 42. a rubber block; 43. a handle; 5. and (3) a filter screen.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

This embodiment is intended to promote solving and is difficult to guarantee that liquid metal is the state of melting completely after pouring, liquid metal in the pouring process splashes to the runner cover outside along with the vortex easily, lead to the mould to damage easily, influence the service problem of follow-up product, please refer to fig. 1-3, a cast iron runner device, including first runner cover 1 and install the second runner cover 2 at first runner cover 1 lower extreme, install first lantern ring 3 on the first runner cover 1, first lantern ring 3 is detachable with first runner cover 1 and is connected, the replaceability is strong, install detachable plugboard 31 on the inner wall of first lantern ring 3, plugboard 31 can be dismantled from first lantern ring 3, sheetmetal 41 is installed to the lower extreme of plugboard 31, the lower extreme fixed mounting of sheetmetal 41 has second lantern ring 4, the outer wall and the first runner cover 1 rotation of second lantern ring 4 are connected, fixed mounting has filter screen 5 on the inner wall of second lantern ring 4.

The filter screen 5 is installed in the first sprue bush 1 through the second lantern ring 4, makes the interior production of first sprue bush 1 cut off for stop the granule in the liquid metal, be convenient for filter liquid metal, avoid the granule to get into in the mould.

By installing the metal sheet 41 and the insert plate 31, the filter screen 5 is positioned at the center of the first sprue bush 1 and the second sprue bush 2, and damage to the filter screen 5 caused by the outside is reduced.

The two ends of the outer wall of the first sprue bush 1 are provided with small holes, the outer end of the plugboard 31 is connected with the small Kong Chuancha, therefore, the plugboard 31 can be detached from the first sprue bush 1, after the first lantern ring 3 is taken out, the plugboard 31 is extruded inwards from the small holes on the outer side of the first sprue bush 1, the elastic metal sheet 41 is extruded inwards, the plugboard 31 is separated from the small holes and enters the first sprue bush 1, and the filter screen 5 can be taken out from the upper end of the first sprue bush 1, so that the filter screen 5 is convenient to replace.

On the contrary, the plugboard 31 is inserted into the small hole, so that the filter screen 5 can be fixed.

The height of the inner walls of the first lantern ring 3 and the second lantern ring 4 is lower than that of the outer walls, namely, the first lantern ring 3 and the second lantern ring 4 form slopes in the first sprue bush 1, liquid metal is poured into the first lantern ring 3, flows downwards along with the slopes of the first lantern ring 3, is concentrated in the central part of the first sprue bush 1 and is concentrated at the upper end of the filter screen 5, after being concentrated, the liquid metal is difficult to contact with the inner walls of the first sprue bush 1 and the second sprue bush 2, therefore, the liquid metal does not flow downwards in a vortex shape, the possibility of splashing of the liquid metal is reduced, and the finished product effect is good.

Example 2

The present embodiment is intended to facilitate solving the problem of unstable installation of the first collar 3 and the second collar 4, and is an improvement made on the basis of embodiment 1, specifically, referring to fig. 1-3, a positioning block 11 is installed on the inner wall of the first sprue bush 1, and the first collar 3 is lapped on the positioning block 11.

The positioning block 11 is fixedly connected with the inner wall of the first sprue bush 1, so that the first lantern ring 3 can be stabilized on the first sprue bush 1, and the stability of the first lantern ring 3 is ensured while the first lantern ring 3 is ensured to be detachable.

A guide plate 21 is mounted on the inner wall of the second sprue bush 2 in a threaded manner, and the section of the guide plate 21 is trapezoidal.

The inner diameter of the guide plate 21 is smaller than that of the second sprue bush 2, and the diameter of the second lantern ring 4 is consistent with that of the second sprue bush 2, so that the second lantern ring 4 and the filter screen 5 at the lower end of the second lantern ring 4 cannot fall off the guide plate 21, and the limit function is realized.

The detachable guide plate 21 is arranged on the inner wall of the second sprue bush 2, so that the generation of liquid metal vortex is further reduced, the use effect is good, the inner wall of the second sprue bush 2 is thickened, the heat insulation of the second sprue bush 2 is improved, and if the guide plate 21 is damaged, the guide plate can be replaced, and the cost is low.

A bridging plate 12 is commonly installed between the first sprue bush 1 and the second sprue bush 2, and the filter screen 5 is arranged on the bridging plate 12.

Through installation overlap plate 12, be convenient for carry out spacingly to filter screen 5, consequently can carry out spacingly to second lantern ring 4, the installation is comparatively stable.

Example 3

The present embodiment is intended to facilitate solving the problem that the filter screen 5 is easily damaged by the impact of the liquid metal, and is an improvement made on the basis of embodiment 2, specifically, referring to fig. 2-4, a rubber block 42 is fixedly mounted at the upper end of the metal sheet 41, the area of the rubber block 42 is larger than the area of the metal sheet 41, and a handle 43 is further mounted on the rubber block 42.

The plug board 31 is provided with a clamping hole 32 and a through hole 33, the through hole 33 is matched with the metal sheet 41, the clamping hole 32 is matched with the rubber block 42, and the highest position of the handle 43 is lower than the depth of the clamping hole 32.

The metal sheet 41 can move up and down in the through hole 33, so that the filter screen 5 can move up and down, the rubber block 42 is lapped at the upper end of the plugboard 31, the rubber block 42 has elasticity, and when liquid metal is discharged, the impact force can drive the filter screen 5 to sink, and then the rubber block 42 is driven to compress, so that the filter screen 5 has buffering force, the impact of the liquid metal on the filter screen 5 is slowed down, the filter screen 5 has protection, and the service life of the filter screen 5 is prolonged.

Screw holes 34 are formed between the plug board 31 and the first lantern ring 3, and the screw holes 34 are communicated with the clamping holes 32.

Bolts are rotatably installed in the screw holes 34 and can be connected with the plug board 31 and the first lantern ring 3, so that stability of the plug board and the first lantern ring is high, and fastening and dismounting are facilitated.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a cast iron runner device, includes first runner cover (1) and installs at second runner cover (2) of first runner cover (1) lower extreme, its characterized in that: install first lantern ring (3) on first runner cover (1), install plugboard (31) on the inner wall of first lantern ring (3), the outer end of plugboard (31) is connected with first runner cover (1) interlude, sheetmetal (41) are installed to the lower extreme of plugboard (31), the lower extreme of sheetmetal (41) is provided with second lantern ring (4), the outer wall and the first runner cover (1) of second lantern ring (4) are connected, install filter screen (5) on the inner wall of second lantern ring (4).

2. The cast iron gating apparatus of claim 1 wherein: the height of the inner walls of the first lantern ring (3) and the second lantern ring (4) is lower than that of the outer wall.

3. The cast iron gating apparatus of claim 1 wherein: the inner wall of the first sprue bush (1) is provided with a positioning block (11), and the first lantern ring (3) is lapped on the positioning block (11).

4. The cast iron gating apparatus of claim 1 wherein: and a guide plate (21) is arranged on the inner wall of the second sprue bush (2) in a threaded manner, and the section of the guide plate (21) is trapezoid.

5. The cast iron gating apparatus of claim 1 wherein: a lapping plate (12) is commonly installed between the first sprue bush (1) and the second sprue bush (2), and the filter screen (5) is arranged on the lapping plate (12).

6. The cast iron gating apparatus of claim 1 wherein: the upper end of the metal sheet (41) is fixedly provided with a rubber block (42), the area of the rubber block (42) is larger than that of the metal sheet (41), and the rubber block (42) is also provided with a handle (43).

7. The cast iron gating apparatus of claim 6 wherein: the plug board (31) is provided with a clamping hole (32) and a through hole (33), the through hole (33) is matched with the metal sheet (41), the clamping hole (32) is matched with the rubber block (42), and the highest position of the handle (43) is lower than the depth of the clamping hole (32).

8. The cast iron gating apparatus of claim 7 wherein: screw holes (34) are formed between the plug board (31) and the first lantern ring (3), and the screw holes (34) are communicated with the clamping holes (32).