CN218192416U

CN218192416U - Heating and heat-insulating riser sleeve for high alloy steel casting

Info

Publication number: CN218192416U
Application number: CN202222495607.4U
Authority: CN
Inventors: 卢金宝; 郭祥文
Original assignee: Anhui Kaixing Shida Technology Co ltd
Current assignee: Anhui Kaixing Shida Technology Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-01-03
Anticipated expiration: 2032-09-20

Abstract

The utility model relates to a riser bush field specifically is a high alloy steel foundry goods is with heat preservation riser bush that generates heat, including riser bush body, the venthole has been seted up in the left side at riser bush body top, the upper portion fixedly connected with air guide cover of riser bush body inner wall, the air guide hole has been seted up at the middle part of air guide cover, L type draw-in groove has been seted up to the lower part symmetry of riser bush body inner wall. In the utility model, two clamping blocks on the easy-cutting piece are respectively inserted into two L-shaped clamping grooves at the lower part of the riser bush body, and then the easy-cutting piece is rotated, the T-shaped stop block limits the clamping blocks in the L-shaped clamping grooves, so that the installation of the easy-cutting piece and the riser bush body is realized, and the easy-cutting piece is convenient to disassemble for secondary utilization; when the metal liquid in the riser bush body is sprayed upwards along with the gas, the gas outlet and the gas guide hole are not on the same axis, so that the metal liquid is sprayed to the inner top surface of the riser bush body and then flows back to the lower part of the riser bush body from the surface of the gas guide cover.

Description

Heating and heat-insulating riser sleeve for high alloy steel casting

Technical Field

The utility model relates to a riser cover field specifically is a high alloy steel foundry goods is with heat preservation riser cover that generates heat.

Background

In the casting process of the high alloy steel casting, the heating and heat-insulating riser bush is usually required to be installed on a pouring device, the metal liquid at the pouring port is insulated through the heating and heat-insulating riser bush in the cooling process of the metal liquid, and the metal liquid is supplemented to the casting, so that the phenomenon that the casting is shrunk is effectively prevented.

The prior patent (publication number: CN 215467951U) discloses a heating and heat-insulating riser, which comprises a riser body, wherein a plurality of heating cores are arranged in the riser body. The inventor finds that the following problems in the prior art are not solved well in the process of realizing the scheme: 1. in the existing partial-heating heat-insulation riser sleeve, the cuttable piece is embedded into the riser sleeve in the using process, so that the riser sleeve and the cuttable piece are difficult to be installed in a separated manner, and the riser sleeve is inconvenient to reuse; 2. in the use process of the existing partial heating and heat-insulating riser sleeve, the metal liquid in the riser sleeve can be emitted out of the air outlet along with the waste gas, the high-temperature metal liquid is easy to splash, and certain potential safety hazards are realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high alloy steel foundry goods is with heat preservation riser cover that generates heat to solve the problem that proposes in the above-mentioned background art: 1. the existing partial heating and heat-insulating riser bush is difficult to be quickly installed with the easily-cut piece, and 2, the existing partial heating and heat-insulating riser bush is easy to splash molten metal at the air outlet position. In order to achieve the above object, the utility model provides a following technical scheme: a heating and heat-insulating riser sleeve for a high alloy steel casting comprises a riser sleeve body, wherein an air outlet is formed in the left side of the top of the riser sleeve body, an air guide cover is fixedly connected to the upper part of the inner wall of the riser sleeve body, and an air guide hole is formed in the middle of the air guide cover;

the lower part of the inner wall of the riser bush body is symmetrically provided with L-shaped clamping grooves, the inner wall of each L-shaped clamping groove is provided with a limiting groove, and a limiting block is movably connected inside each limiting groove;

the lower part of the inner wall of the riser bush body is movably inserted with a cutting disc, two sides of the cutting disc are fixedly connected with clamping blocks, and the two clamping blocks are respectively movably inserted in the two L-shaped clamping grooves.

Preferably, the limiting block comprises a T-shaped stop block, the T-shaped stop block is connected to the inside of the limiting groove in a sliding mode, and a compression spring is movably connected between the side wall of the T-shaped stop block and the inner wall of the limiting groove.

Preferably, the bottom of the T-shaped stop block is an inclined plane, and the cross sections of the T-shaped stop block and the limiting groove are both rectangular.

Preferably, one side of the T-shaped check block, which is far away from the L-shaped clamping groove, is fixedly connected with a pull rod, and the compression spring is movably sleeved in the middle of the pull rod.

Preferably, the cross section of the air guide cover is conical, and the air guide cover is in an inverted conical shape.

Preferably, the inner top surface of the riser bush body is set to be an arc surface.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses in, use through the cooperation of parts such as L type draw-in groove, T type dog and fixture block, two fixture blocks on the easy-to-cut piece are facing to two L type draw-in groove insides of riser bush body lower part respectively and are inserted, and rotatory easy-to-cut piece again, T type dog carries on spacingly to the fixture block of L type draw-in groove inside this moment, realizes the installation of easy-to-cut piece and riser bush body, and the dismantlement of convenient easy-to-cut piece carries out the reutilization.

The utility model discloses in, use through the cooperation of parts such as venthole, air guide cover and gas guide hole, when the inside metal liquid of riser bush body was upwards spout along with gas, because venthole and gas guide hole are not on same axis, make metal liquid spout the lower part of riser bush body from air guide cover surface reflux inlet riser bush body behind the interior top surface of riser bush body, promote the safety in utilization ability.

Drawings

FIG. 1 is a front sectional view of the structure of the present invention;

FIG. 2 is an enlarged view of the structure A of FIG. 1 according to the present invention;

FIG. 3 is a side sectional view of the L-shaped slot and the position of the limiting groove of the present invention;

fig. 4 is a perspective view of the air guide cover of the present invention.

In the figure: 1. a riser bush body; 2. an air outlet; 3. a gas guide hood; 4. a gas-guide hole; 5. an L-shaped clamping groove; 6. a limiting groove; 7. a limiting block; 701. a T-shaped stop block; 702. a compression spring; 8. a readily cuttable piece; 9. and (7) clamping blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: a heating and heat-insulating riser sleeve for a high alloy steel casting comprises a riser sleeve body 1, wherein an air outlet 2 is formed in the left side of the top of the riser sleeve body 1, an air guide cover 3 is fixedly connected to the upper part of the inner wall of the riser sleeve body 1, and an air guide hole 4 is formed in the middle of the air guide cover 3; the material of the riser bush has a heat preservation effect, and the metal liquid in the riser bush is prevented from being solidified quickly.

L-shaped clamping grooves 5 are symmetrically formed in the lower portion of the inner wall of the riser bush body 1, limiting grooves 6 are formed in the inner wall of each L-shaped clamping groove 5, and limiting blocks 7 are movably connected inside the limiting grooves 6.

The lower part activity of 1 inner wall of riser bush body is pegged graft and is had easily cut piece 8, and the equal fixedly connected with fixture block 9 in both sides of easily cutting piece 8, and two fixture blocks 9 are the activity respectively and are pegged graft in the inside of two L type draw-in grooves 5. The knock-off core 8 is a fitting of the existing riser bush and is of a metal taper sleeve structure.

In this embodiment, as shown in fig. 1 and fig. 2, the limiting block 7 includes a T-shaped stopper 701, the T-shaped stopper 701 is slidably connected inside the limiting groove 6, and a compression spring 702 is movably connected between a side wall of the T-shaped stopper 701 and an inner wall of the limiting groove 6.

In this embodiment, as shown in fig. 1 and 2, the bottom of the T-shaped stopper 701 is a slope, and the cross sections of the T-shaped stopper 701 and the stopper groove 6 are both rectangular. The rectangle sets up and avoids T type dog 701 to rotate in the inside of spacing groove 6, and the inclined plane sets up convenient easy cutting piece 8 on the fixture block 9 insert L type draw-in groove 5 inside back, and fixture block 9 supports and presses T type dog 701 to slide to the inside of spacing groove 6, the cooperation installation of fixture block 9 and L type draw-in groove 5 of being convenient for.

In this embodiment, as shown in fig. 1 and fig. 2, a pull rod is fixedly connected to a side of the T-shaped stopper 701 away from the L-shaped slot 5, and the compression spring 702 is movably sleeved in the middle of the pull rod. Through the pull rod arrangement, the T-shaped stop block 701 is conveniently pulled to move, so that the T-shaped stop block 701 is free from limiting the clamping block 9 in the L-shaped clamping groove 5.

In the present embodiment, as shown in fig. 1 and 4, the cross section of the air guide hood 3 is tapered, and the air guide hood 3 is formed in an inverted cone shape. The gas guide cover 3 arranged in the shape of an inverted cone avoids the metal liquid at the lower part of the riser bush body 1 from being sprayed out in a large quantity, and the metal liquid convenient to spray is convenient to flow back into the lower part of the riser bush body 1 from the conical surface at the upper part of the gas guide cover 3.

In this embodiment, as shown in fig. 1, the inner top surface of the riser bush body 1 is an arc surface. The convenience is carried out the water conservancy diversion to the metal liquid, makes the lower part that spun metal liquid can fast fall back into riser bush body 1 carry out the fluid infusion, avoids the metal liquid adhesion at the interior top surface of riser bush body 1, influences the fluid infusion effect.

The utility model discloses a use method and advantage: this high alloy steel foundry goods is with riser cover that keeps warm that generates heat, the working process as follows:

as shown in fig. 1 to 4, when the high alloy steel casting needs to be cast, two clamping blocks 9 on the free cutting piece 8 are inserted into two L-shaped clamping grooves 5 at the lower part of the riser bush body 1 respectively, when the clamping blocks 9 move to the limit positions of the L-shaped clamping grooves 5, the compression spring 702 presses the T-shaped clamping blocks 701 to be inserted into the L-shaped clamping grooves 5 to limit the clamping blocks 9, then the free cutting piece 8 is rotated, at the moment, the two clamping blocks 9 respectively move towards the transverse groove directions of the two L-shaped clamping grooves 5 to complete installation, the free cutting piece 8 and the riser bush body 1 are conveniently installed, in addition, the pull rod is pulled to drive the T-shaped clamping blocks 701 to release the limit on the inner wall of the L-shaped clamping grooves 5 during the disassembly, and then the free cutting piece 8 can be pulled out from the riser bush body 1 by reversely rotating, so that secondary utilization is facilitated;

after the riser bush body 1 and the casting device are installed, the metal liquid in the casting device can enter the riser bush body 1, when the metal liquid in the casting device is sprayed out to the air outlet 2 of the riser bush body 1 along with waste gas, a small amount of metal liquid can be carried to be splashed outwards, and the air outlet 2 and the air guide hole 4 of the riser bush body 1 are not on the same axis, so that the metal liquid flows back to the lower part of the riser bush body 1 from the surface of the air guide cover 3 after being sprayed to the inner top surface of the riser bush body 1, and the use safety performance is improved.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high alloy steel foundry goods is with heat preservation riser cover that generates heat, includes riser cover body (1), its characterized in that: the left side of the top of the riser bush body (1) is provided with an air outlet (2), the upper part of the inner wall of the riser bush body (1) is fixedly connected with an air guide cover (3), and the middle part of the air guide cover (3) is provided with an air guide hole (4);

the lower part of the inner wall of the riser bush body (1) is symmetrically provided with L-shaped clamping grooves (5), the inner wall of each L-shaped clamping groove (5) is provided with a limiting groove (6), and the limiting groove (6) is movably connected with a limiting block (7);

the lower part of the inner wall of the riser bush body (1) is movably inserted with an easily-cut piece (8), two sides of the easily-cut piece (8) are fixedly connected with clamping blocks (9), and the two clamping blocks (9) are respectively movably inserted in the two L-shaped clamping grooves (5).

2. The heating and heat-insulating riser bush for the high alloy steel casting as recited in claim 1, characterized in that: the limiting block (7) comprises a T-shaped stop block (701), the T-shaped stop block (701) is connected to the inside of the limiting groove (6) in a sliding mode, and a compression spring (702) is movably connected between the side wall of the T-shaped stop block (701) and the inner wall of the limiting groove (6).

3. The heating and heat-insulating riser bush for the high alloy steel casting as claimed in claim 2, characterized in that: the bottom of the T-shaped stop block (701) is an inclined plane, and the cross sections of the T-shaped stop block (701) and the limiting groove (6) are rectangular.

4. The exothermic and heat-preserving riser bush for high-alloy steel castings according to claim 2, characterized in that: one side of the T-shaped stop block (701) far away from the L-shaped clamping groove (5) is fixedly connected with a pull rod, and the compression spring (702) is movably sleeved in the middle of the pull rod.

5. The exothermic and heat-preserving riser bush for high alloy steel castings according to claim 1, characterized in that: the cross-section of air guide cover (3) is set to be the toper, air guide cover (3) are the back taper setting.

6. The heating and heat-insulating riser bush for the high alloy steel casting as recited in claim 1, characterized in that: the inner top surface of the riser bush body (1) is an arc-shaped surface.