CN213496347U

CN213496347U - High-performance gate valve casting

Info

Publication number: CN213496347U
Application number: CN202022164765.2U
Authority: CN
Inventors: 杜剑林
Original assignee: Hangzhou Hongpan Machinery Factory
Current assignee: Hangzhou Hongpan Machinery Factory
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-06-22
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a high performance gate valve foundry goods, which comprises a die body, the die cavity has been seted up to the inside of mould body, the inside of die cavity is provided with the model, the left side and the equal fixedly connected with support in right side of model, the front and the equal fixedly connected with arch in the back of model, the support is kept away from one side of model and the both sides fixed connection of die cavity, the bottom fixedly connected with connecting plate of mould body. The utility model discloses a drive motor drives the transfer line rotation with the helical gear, and the transfer line passes through connecting block and regulating block and drives the eccentric rotation of mould body and throws away the bubble in the molten steel through centrifugal force to reach the effect that improves foundry goods intensity. The utility model provides a current casting process can produce a large amount of tiny bubbles behind molten iron pouring die cavity, and when the molten iron speed of pouring was slower, the molten iron of at first pouring became because of solidifying and glues thick easily, leads to the unable row of bubble to the foundry goods outside, has reduced the problem of the intensity of foundry goods.

Description

High-performance gate valve casting

Technical Field

The utility model relates to a gate valve foundry goods technical field specifically is a high performance gate valve foundry goods.

Background

The casting is a metal molding object obtained by various casting methods, namely, the smelted liquid metal is poured into a casting mold prepared in advance by pouring, injecting, sucking or other casting methods, and after cooling, the casting is subjected to subsequent processing means such as grinding and the like, so that the object with certain shape, size and performance is obtained.

Large gate valve castings are generally manufactured through a casting process, but in the existing casting process, a large amount of fine bubbles are generated after molten iron is poured into a cavity, and when the pouring speed of the molten iron is low, the firstly poured molten iron is easily thickened due to solidification, so that the bubbles cannot be discharged to the outside of the castings, and the strength of the castings is reduced.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides in the above-mentioned background art, the utility model aims to provide a high performance gate valve foundry goods possesses the advantage that improves casting strength, has solved current casting process and can produce a large amount of tiny bubbles behind the molten iron pouring die cavity, and when the molten iron speed of pouring was slower, the molten iron of at first pouring became thick because of solidifying easily, leads to the unable row of bubble to the foundry goods outside, has reduced the problem of the intensity of foundry goods.

The utility model provides a following technical scheme: a high-performance gate valve casting comprises a die body, wherein a cavity is arranged inside the die body, a model is arranged in the cavity, the left side and the right side of the model are both fixedly connected with a bracket, the front and the back of the model are both fixedly connected with bulges, one side of the bracket far away from the model is fixedly connected with the two sides of the cavity, the bottom of the die body is fixedly connected with a connecting plate, the left side and the right side of the die body are both provided with pin shafts, the top end of the pin shaft penetrates through the top of the die body and is in threaded connection with a nut, the bottom of the connecting plate is provided with a bottom plate, the top of the bottom plate is movably connected with a transmission rod through a bearing, the top end of the transmission rod is fixedly connected with a connecting block, the front of the connecting block is movably connected with an adjusting block, and the top of the adjusting block is fixedly connected with the bottom of the connecting plate.

The four corners of the bottom of the connecting plate are fixedly connected with tension springs, and one side of each tension spring, which is far away from the connecting plate, is fixedly connected with the top of the bottom plate.

The top fixedly connected with drive motor of bottom plate, the equal fixedly connected with helical gear in surface of drive motor's output and transfer line, helical gear intermeshing.

The top fixedly connected with cover of bottom plate establishes the protection casing on transmission rod surface, drive motor is located the inside of protection casing, the transfer line passes through bearing swing joint with the protection casing.

The back of regulating block is provided with the extrusion piece, the front fixedly connected with screw rod of extrusion piece, the front end of screw rod runs through regulating block and connecting block in proper order and extends to the front side of connecting block, the front of extrusion piece and the back contact of regulating block, screw rod and connecting block threaded connection.

The front face of the connecting block is fixedly connected with an extension pipe sleeved on the surface of the screw rod, the length of the extension pipe is greater than three centimeters, and the extension pipe is in threaded connection with the screw rod.

The utility model has the advantages as follows:

1. the utility model discloses a drive motor drives the transfer line rotation with the helical gear, the transfer line passes through connecting block and regulating block drive mould body eccentric rotation and throws away the bubble in the molten steel through centrifugal force to reach the effect that improves foundry goods intensity, solved current casting process can produce a large amount of tiny bubbles behind the molten iron pouring die cavity, and when the molten iron speed of pouring is slower, the molten iron of at first pouring becomes sticky because of solidifying easily, lead to the unable row of bubble to the foundry goods outside, the problem of the intensity of foundry goods has been reduced.

2. The utility model discloses a set up the extension spring, can play towed effect to the mould body, improve the stability when the mould body pulls by a wide margin, reduce the influence that vibrations caused the mould body.

3. The utility model discloses a set up driving motor and helical gear, can reduce the occupation space of transmission structure, transmission efficiency between the helical gear is high simultaneously, can avoid appearing the phenomenon of gyration.

4. The utility model discloses a set up the protection casing, can protect drive machine, can support the transfer line simultaneously, improve the area of contact of transfer line and bottom plate.

5. The utility model discloses a set up extrusion piece and screw rod, can be convenient for adjust the inclination of mould body, can improve the filling speed of molten steel in the mould body is inside by a wide margin.

6. The utility model discloses a set up the extension pipe, can increase the area of contact of screw rod and connecting block, avoid the screw thread on screw rod surface to appear damaging because of the bearing is too high.

Drawings

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

FIG. 2 is a schematic sectional view of the partial structure of the present invention;

fig. 3 is a schematic sectional view of the top view structure of the present invention.

In the figure: 1. a mold body; 2. a cavity; 3. a model; 4. a support; 5. a protrusion; 6. a connecting plate; 7. a pin shaft; 8. a nut; 9. a base plate; 10. a transmission rod; 11. connecting blocks; 12. an adjusting block; 13. a tension spring; 14. a drive motor; 15. a helical gear; 16. a protective cover; 17. extruding the block; 18. a screw; 19. an extension pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

As shown in fig. 1 to 3, the utility model discloses a mould body 1, die cavity 2 has been seted up to mould body 1's inside, die cavity 2's inside is provided with model 3, model 3's left side and the equal fixedly connected with support 4 in right side, the front of model 3 and the equal fixedly connected with arch 5 in the back, one side that model 3 and die cavity 2's both sides fixed connection are kept away from to support 4, mould body 1's bottom fixedly connected with connecting plate 6, mould body 1's left side and right side all are provided with round pin axle 7, the top of round pin axle 7 runs through to mould body 1's top and threaded connection has nut 8, the bottom of connecting plate 6 is provided with bottom plate 9, bearing swing joint has transfer line 10 at the top of bottom plate 9, the top fixedly connected with connecting block 11 of transfer line 10, the front swing joint of connecting block 11 has regulating block 12, the.

Referring to fig. 1, four corners of the bottom of the connecting plate 6 are fixedly connected with tension springs 13, and one side of each tension spring 13 far away from the connecting plate 6 is fixedly connected with the top of the bottom plate 9.

This embodiment can play towed effect to mould body 1 through setting up extension spring 13, improves the stability when mould body 1 pulls by a wide margin, reduces the influence that vibrations caused mould body 1.

Referring to fig. 2, a transmission motor 14 is fixedly connected to the top of the bottom plate 9, and helical gears 15 are fixedly connected to the output end of the transmission motor 14 and the surface of the transmission rod 10, wherein the helical gears 15 are engaged with each other.

This embodiment can reduce the occupation space of transmission structure through setting up driving motor 14 and helical gear 15, and the transmission efficiency between the helical gear 15 is high simultaneously, can avoid appearing the phenomenon of gyration.

Referring to fig. 2, a shield 16 is fixedly connected to the top of the bottom plate 9 and sleeved on the surface of the transmission rod 10, the transmission motor 14 is located inside the shield 16, and the transmission rod 10 is movably connected to the shield 16 through a bearing.

In the embodiment, the protective cover 16 is arranged, so that the transmission motor 14 can be protected, the transmission rod 10 can be supported, and the contact area between the transmission rod 10 and the bottom plate 9 is increased.

Referring to fig. 2, the back of the adjusting block 12 is provided with an extruding block 17, the front of the extruding block 17 is fixedly connected with a screw 18, the front end of the screw 18 sequentially penetrates through the adjusting block 12 and the connecting block 11 and extends to the front side of the connecting block 11, the front of the extruding block 17 is in contact with the back of the adjusting block 12, and the screw 18 is in threaded connection with the connecting block 11.

This embodiment is through setting up extrusion block 17 and screw rod 18, can be convenient for adjust the inclination of mould body 1, can improve the filling speed of molten steel in mould body 1 inside by a wide margin.

Referring to fig. 1, an extension pipe 19 sleeved on the surface of the screw 18 is fixedly connected to the front surface of the connecting block 11, the length of the extension pipe 19 is greater than three centimeters, and the extension pipe 19 is in threaded connection with the screw 18.

In the embodiment, the extension pipe 19 is arranged, so that the contact area between the screw 18 and the connecting block 11 can be increased, and the damage of the screw thread on the surface of the screw 18 due to overhigh bearing can be avoided.

The utility model discloses an pour into hot melt molten steel into the inside of mould body 1, the molten steel is at die

cavity

2 and 3 direct diffusions of model and fill die cavity 2 completely, and in the molten steel packing, transmission motor 14 drives transfer line 10 rotation through helical gear 15, and transfer line 10 drives mould body 1 eccentric rotation through connecting block 11 and regulating block 12 and throws away the bubble in the molten steel through centrifugal force to reach the effect that improves foundry goods intensity.

Claims

1. The utility model provides a high performance gate valve foundry goods, includes mould body (1), its characterized in that: the die is characterized in that a cavity (2) is formed in the die body (1), a die (3) is arranged in the cavity (2), a support (4) is fixedly connected to the left side and the right side of the die (3), protrusions (5) are fixedly connected to the front side and the back side of the die (3), one side, far away from the die (3), of the support (4) is fixedly connected to the two sides of the cavity (2), a connecting plate (6) is fixedly connected to the bottom of the die body (1), pin shafts (7) are arranged on the left side and the right side of the die body (1), the top ends of the pin shafts (7) penetrate through the top of the die body (1) and are in threaded connection with nuts (8), a bottom plate (9) is arranged at the bottom of the connecting plate (6), a transmission rod (10) is movably connected to the top of the bottom plate (9) through a bearing, and a connecting block, the front face of the connecting block (11) is movably connected with an adjusting block (12), and the top of the adjusting block (12) is fixedly connected with the bottom of the connecting plate (6).

2. The high performance gate valve casting of claim 1, wherein: the four corners of the bottom of the connecting plate (6) are fixedly connected with tension springs (13), and one side, away from the connecting plate (6), of each tension spring (13) is fixedly connected with the top of the bottom plate (9).

3. The high performance gate valve casting of claim 2, wherein: the top of bottom plate (9) fixedly connected with transmission motor (14), the equal fixedly connected with helical gear (15) in surface of the output of transmission motor (14) and transfer line (10), helical gear (15) intermeshing.

4. The high performance gate valve casting of claim 3, wherein: the top fixedly connected with cover of bottom plate (9) is established at protection casing (16) on transfer line (10) surface, drive motor (14) are located the inside of protection casing (16), transfer line (10) pass through bearing swing joint with protection casing (16).

5. The high performance gate valve casting of claim 4, wherein: the back of regulating block (12) is provided with extrusion piece (17), the positive fixedly connected with screw rod (18) of extrusion piece (17), the front end of screw rod (18) runs through regulating block (12) and connecting block (11) in proper order and extends to the front side of connecting block (11), the front of extrusion piece (17) and the back contact of regulating block (12), screw rod (18) and connecting block (11) threaded connection.

6. The high performance gate valve casting of claim 5, wherein: the front face of the connecting block (11) is fixedly connected with an extension pipe (19) sleeved on the surface of the screw rod (18), the length of the extension pipe (19) is greater than three centimeters, and the extension pipe (19) is in threaded connection with the screw rod (18).