CN211638230U

CN211638230U - Prevent excessive sediment seat of foundry goods bottom residue

Info

Publication number: CN211638230U
Application number: CN201922409995.8U
Authority: CN
Inventors: 杨泽民; 陈志鹏; 陆峰
Original assignee: Nantong Rainbow Hills Cast Iron Co ltd
Current assignee: Nantong Rainbow Hills Cast Iron Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-10-09
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses a prevent excessive sediment seat of foundry goods bottom residue, including excessive sediment seat and die holder, excessive sediment seat terminal surface is equipped with the projection, the die holder passes through the bottom recess and pegs graft in the projection outside, it has the excessive sediment groove to overflow to open on the sediment seat, it has the filter screen to overflow the sediment groove to put, the die holder is opened there is the disappearance mould, disappearance mould intercommunication excessive sediment groove, the disappearance mould outside is filled there is the molding sand, the space intussuseption between filter screen and the excessive sediment tank bottom terminal surface is filled with the molding sand. The utility model discloses in, the overfall sediment seat is directly set up to the over-mold base bottom, and overflows the sediment groove and feeds through with the disappearance mould die cavity, and the in-process is pour to the molten iron, and a large amount of residues of disappearance mould bottom directly fall into the overfall sediment inslot, and the overfall sediment seat of integral type has avoided a plurality of overflow sediment seats to bring foundry goods bottom residue to handle troublesome problem, and simple structure, practices thrift the residue treatment time.

Description

Prevent excessive sediment seat of foundry goods bottom residue

Technical Field

The utility model relates to a lost foam casting technical field especially relates to a prevent excessive sediment seat of foundry goods bottom residue.

Background

Lost foam casting (also called solid casting) is a novel casting method which comprises the steps of bonding and combining paraffin or foam models with similar sizes and shapes to form a model cluster, coating refractory paint on the model cluster, drying the model cluster, burying the model cluster in dry quartz sand for vibration modeling, pouring under negative pressure to gasify the model, enabling liquid metal to occupy the position of the model, solidifying and cooling the model cluster to form a casting.

In the lost foam casting, in order to eliminate the residue of foundry goods bottom surface, can install the excessive sediment seat on the die holder, at first, install a large amount of excessive sediment seats on the current die holder, after the foundry goods shaping, need knock off the excessive sediment seat of foundry goods bottom surface, the excessive sediment seat is handled comparatively trouble and waste time, secondly, in pouring the molten iron in-process, is transmitted a large amount of heats on the excessive sediment seat for the excessive sediment seat surface temperature is too high, if directly take out the excessive sediment seat, scalds the staff easily.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, the slag overflow seat for preventing the bottom residue of the casting is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the slag overflowing seat comprises a slag overflowing seat body and a die holder, wherein a convex column is arranged on the end face of the slag overflowing seat body, the die holder is inserted outside the convex column through a bottom groove, a slag overflowing groove is formed in the slag overflowing seat body, a filter screen is arranged on the slag overflowing groove, a lost foam is formed in the die holder body, the lost foam is communicated with the slag overflowing groove, molding sand is filled outside the lost foam, and molding sand is filled in a space between the filter screen and the end face of the bottom of the slag overflowing groove.

As a further description of the above technical solution:

the middle and two sides of the filter screen are respectively provided with a movable block.

As a further description of the above technical solution:

the groove at the bottom of the slag overflowing seat is inserted outside the connecting column, and the connecting column is arranged in the mounting box in a sliding mode.

As a further description of the above technical solution:

the mounting box is internally provided with a support, the support is provided with two sliding blocks in a sliding manner, two sides of each sliding block are connected with a connecting rod in a rotating manner through a rotating shaft, the connecting rods are located above the support and are connected with connecting columns in a rotating manner through rotating shafts, and the connecting rods are located below the support and are connected with piston rods of the cylinders in a rotating manner through rotating shafts.

As a further description of the above technical solution:

the cylinder is electrically connected with the power box, and the power box is electrically connected with the control switch.

As a further description of the above technical solution:

a plurality of rollers are installed at the contact position of the mounting box and the connecting column.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, directly set up the excessive sediment seat through the die holder bottom, and overflow the sediment groove and the disappearance mould die cavity intercommunication, the in-process is pour to the molten iron, and a large amount of residues of disappearance mould bottom directly fall into the excessive sediment inslot, and the excessive sediment seat of integral type has avoided a plurality of excessive sediment seats to bring foundry goods bottom residue to handle troublesome problem, and simple structure, practices thrift the residue treatment time.

2. The utility model discloses in, piston rod upward movement through the cylinder, and then drive the slider and slide and the connecting rod rotates for the spliced pole upward movement will overflow the sediment seat and push up from install bin top face, avoids the excessive sediment seat of staff direct contact, takes place the scald problem.

Drawings

FIG. 1 is a schematic view of the internal structure of an installation box of a slag overflow seat for preventing residues at the bottom of a casting, which is provided by the utility model;

FIG. 2 is a schematic sectional view of a slag overflow seat of the slag overflow seat for preventing the residue on the bottom of the casting according to the present invention;

fig. 3 is a schematic top view of a slag overflow seat of the slag overflow seat for preventing the residue at the bottom of the casting of the present invention.

Illustration of the drawings:

1. a slag overflow seat; 2. a convex column; 3. a roller; 4. connecting columns; 5. a connecting rod; 6. installing a box; 7. a slider; 8. a support; 9. a control switch; 10. a cylinder; 11. a power supply box; 12. molding sand; 13. a lost foam; 14. filtering with a screen; 15. a slag overflow groove; 16. a movable block; 17. and (4) die holders.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a slag overflow base for preventing the residues at the bottom of a casting comprises a slag overflow base 1 and a base 17, wherein a convex column 2 is arranged on the end face of the slag overflow base 1, the base 17 is inserted outside the convex column 2 through a bottom groove, the convex column 2 is in a shape of Chinese character 'hui', so that the insertion between the base 17 and the slag overflow base 1 is more stable, a slag overflow groove 15 is formed in the slag overflow base 1 and is used for collecting a large amount of residues overflowing from the bottom of a lost foam 13 in the casting process of molten iron, a filter screen 14 is arranged on the slag overflow groove 15, the residues fall on the filter screen 14, a lost foam 13 is arranged on the base 17, the lost foam 13 is communicated with the slag overflow groove 15 and is ensured to fully fall into the slag overflow groove 15, molding sand 12 is filled outside the lost foam 13 to ensure the stable placement of the lost foam 13, molding sand 12 is filled in a space between the bottom end faces of the filter screen 14 and the slag overflow groove 15, the molding sand 12 at the position permeates out of the meshes of the filter screen, the filter screen 14 is prevented from being damaged by the direct contact of the residues with high surface temperature with the filter screen 14.

Specifically, as shown in fig. 2, the movable blocks 16 are respectively installed in the middle and two sides of the filter screen 14, molten iron poured in the evaporative pattern 13 flows out of the evaporative pattern 13 along with the molten iron, and enters the slag overflow groove 15, the molten iron in the evaporative pattern 13 is cooled, and then the casting is taken out, the movable blocks 16 are bonded to the bottom of the casting by the residual molten iron flowing on the bottom surface of the casting, the movable blocks 16 are knocked off by taking the joint surface of the casting and the movable blocks 16 as a critical surface, and a small amount of residual slag on the bottom surface of the casting is polished.

Specifically, as shown in fig. 1 and 2, the groove at the bottom of the slag overflow seat 1 is inserted outside the connecting column 4, the connecting column 4 is slidably disposed in the installation box 6, the inside of the installation box 6 is provided with the bracket 8, the bracket 8 is slidably provided with the two sliders 7, the sliders 7 can slide back and forth on the bracket 8, two sides of the sliders 7 are rotatably connected with the connecting rods 5 through the rotating shafts, the rotating shafts are disposed to movably connect the connecting rods 5 and the sliders 7, i.e. to ensure that the connecting rods 5 can move along with the movement of the sliders 7, the two connecting rods 5 above the bracket 8 are rotatably connected with the connecting column 4 through the rotating shafts, the two connecting rods 5 below the bracket 8 are rotatably connected with the piston rods of the air cylinders 10 through the rotating shafts, when the piston rods move upwards, the connecting rods 5 below the bracket 8 drive the sliders 7 to slide outwards on the bracket 8, and then drive spliced pole 4 and move down, when the piston rod moves up, drive slider 7 through connecting rod 5 above support 8 and slide to the inboard on support 8, slider 7 drives connecting rod 5 on support 8 and rotates upwards, and then drives spliced pole 4 and move up-and-down, the last up-and-down motion that drives overflow sediment seat 1 and die holder 17.

Specifically, as shown in fig. 1, the cylinder 10 is electrically connected to the power box 11, the power box 11 is electrically connected to the control switch 9, and the start and stop of the cylinder 10 can be controlled by the control switch 9.

Specifically, as shown in fig. 1, a plurality of rollers 3 are installed at the contact position of the installation box 6 and the connecting column 4, so that friction generated when the installation box 6 and the connecting column 4 slide is reduced, and the movement of the connecting column 4 is facilitated.

The working principle is as follows: when the casting mold is used, the lost foam 13 is placed in the mold base 17, the mold base 17 is filled with molding sand 12, the slag overflowing groove 15 is filled with the molding sand 12, the filter screen 14 is placed on the molding sand 12 at the position, the molding sand 12 does not cover the surface of the filter screen 14, the slag overflowing seat 1 is inserted outside the connecting column 4 through the groove at the bottom of the slag overflowing seat, the mold base 17 is inserted outside the convex column 2 through the groove at the bottom of the mold base 17, the installation among the slag overflowing seat 1, the installation box 6 and the mold base 17 is completed, molten iron and high-temperature molten iron are injected into the mold cavity where the lost foam 13 is located, the lost foam 13 is melted, most of residues at the bottom of the lost foam 13 fall into the slag overflowing groove 15 and fall onto the filter screen 14, after the molten iron is cooled, the casting is formed, the casting is taken out, because the molten iron overflowing from the bottom of the lost foam 13 flows to the contact surface of the movable block 16, the movable block 16 is bonded at, knock off the movable block 16, and polish the processing to a small amount of residues of foundry goods bottom surface, start control switch 9, start cylinder 10, during the piston rod upward movement of cylinder 10, connecting rod 5 through support 8 top drives slider 7 and slides to the inboard on support 8, slider 7 drives connecting rod 5 on the support 8 and upwards rotates, and then drives spliced pole 4 rebound, outside the ejecting install bin 6 of sediment seat 1 will overflow, avoid staff direct contact to overflow sediment seat 1, take place the scald problem, it can handle the residue to take out filter screen 14.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A slag overflow seat for preventing residues at the bottom of a casting comprises a slag overflow seat (1) and a die holder (17), and is characterized in that a convex column (2) is arranged on the end face of the slag overflow seat (1), the die holder (17) is inserted outside the convex column (2) through a bottom groove, a slag overflow groove (15) is formed in the slag overflow seat (1), a filter screen (14) is arranged on the slag overflow groove (15), a lost foam (13) is arranged on the die holder (17), the lost foam (13) is communicated with the slag overflow groove (15), molding sand (12) is filled outside the lost foam (13), and molding sand (12) is filled in a space between the filter screen (14) and the bottom end face of the slag overflow groove (15).

2. A seat for preventing the slag overflow of the bottom residue of a casting according to claim 1, characterized in that the middle and both sides of the sieve (14) are respectively provided with a movable block (16).

3. The slag overflow seat for preventing the bottom residues of the castings according to claim 1, characterized in that the groove at the bottom of the slag overflow seat (1) is inserted outside the connecting column (4), and the connecting column (4) is slidably arranged in the mounting box (6).

4. The slag overflow seat for preventing the bottom residues of castings according to claim 3, characterized in that a support (8) is arranged inside the mounting box (6), two sliding blocks (7) are slidably arranged on the support (8), two sides of each sliding block (7) are rotatably connected with a connecting rod (5) through a rotating shaft, two connecting rods (5) above the support (8) are rotatably connected with the connecting column (4) through rotating shafts, and two connecting rods (5) below the support (8) are rotatably connected with the piston rod of the cylinder (10) through rotating shafts.

5. A slag overflow preventing casting bottom residues seat as claimed in claim 4, characterized in that the air cylinder (10) is electrically connected with a power box (11), and the power box (11) is electrically connected with a control switch (9).

6. A slag overflow preventing casting bottom residues according to claim 4, characterized in that a plurality of rollers (3) are installed at the contact position of the mounting box (6) and the connecting column (4).