CN210702373U

CN210702373U - Mold core of machine base mold

Info

Publication number: CN210702373U
Application number: CN201921442617.3U
Authority: CN
Inventors: 陆岁红
Original assignee: Shanghai Jinfan Machinery Casting Co Ltd
Current assignee: Shanghai Jinfan Machinery Casting Co Ltd
Priority date: 2019-08-31
Filing date: 2019-08-31
Publication date: 2020-06-09
Anticipated expiration: 2029-08-31

Abstract

The utility model discloses a mold core of a frame mold, which belongs to the casting field, and the key points of the technical proposal are that the mold core comprises a model, a casting channel is fixedly connected on the model, an inner pipe is fixedly connected on the top surface of the model, a middle pipe is fixedly connected on the top surface of the model, and an outer pipe is fixedly arranged on the top surface of the model; fixedly connected with connecting box on the inner tube, equal fixedly connected with is the transition box of the triangle box form body form of level setting on two other king-rods, each transition box all with two outer tube fixed connection of its place one side, the transition box is through the outer tube rather than fixed connection and well inside intercommunication of pipe and model, and the transition box communicates rather than a connecting box of one side, sets firmly the blast pipe that will pass through box and external intercommunication on the transition box. The utility model discloses reached the effect that can reduce the rejection rate, be applied to in the manufacturing of frame.

Description

Mold core of machine base mold

Technical Field

The utility model relates to a casting mould, more specifically the theory that says so, it relates to a mold core of frame mould.

Background

In the manufacturing process of the base mold, a cavity is manufactured through a mold core, and the mold core is commonly called as a clay core or a core; the internal structure of the casting is formed during casting, and the casting is usually made of core sand prepared from raw sand and a binder (water glass, resin and the like) manually or mechanically in a core box.

The volume of the machine base is large, so that a riser is required to be reserved on the die, and the riser refers to a supplementary part which is added above or on the side surface of the casting to avoid the defect of the casting. The function of the feeder is in a casting mould, a cavity of the feeder is a cavity for storing liquid metal, metal is supplied when a casting is formed, shrinkage cavity, shrinkage porosity, exhaust and slag collection are prevented, the main function of the feeder is feeding, but due to the feeder, when a user pours metal solution into a model, the situation that metal solution is stored in the feeder but the inside of the model is not filled with the metal solution easily occurs, and the yield is low.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a mold core of frame mould, it is through well pipe, inner tube, outer tube, connecting box and transition box, and the inside metal solution of model that can be better faster distributes evenly, has improved the yields.

In order to achieve the above purpose, the utility model provides a following technical scheme: a mold core of a machine base mold comprises a mold body, a casting channel communicated with the mold body is fixedly connected to the mold body, a vertically arranged inner tube is fixedly connected to the top surface of the mold body, the inner tube is in a circular truncated cone shape with two ends communicated and is in a circular truncated cone shape, the inner tube is provided with four rectangular middle tubes, the top surface of the mold body is fixedly connected with a vertically arranged middle tube, the middle tubes are provided with four rectangular middle tubes, two sides of each inner tube are respectively provided with a middle tube, the inner tube is positioned in an area surrounded by the middle tubes, the top surface of the mold body is fixedly provided with a vertically arranged outer tube, the outer tubes are in a circular truncated cone shape with two ends communicated and are arranged in an inverted manner, two outer tubes are arranged between every two adjacent middle tubes, the middle tubes are positioned in an area surrounded by the eight outer tubes, the bottom diameter of the inner tube is equal to the bottom diameter of, the diameter of the top end of the middle pipe is smaller than that of the top end of the outer pipe; fixedly connected with is the junction box of the trapezoidal box form that the level set up on the inner tube, junction box fixed connection is on the top of two inner tubes simultaneously, junction box and a well pipe and two outer tube fixed connection of this one side simultaneously, the junction box is through the inner tube rather than being connected, well pipe and outer tube and the inside intercommunication of model, two junction box mutual distributions and symmetry set up, equal fixedly connected with is the transition box of the triangular box form that the level set up on two other king-rods, each transition box all with two outer tube fixed connection of its place one side, the transition box is through the outer tube rather than fixed connection and well pipe and the inside intercommunication of model, and transition box communicates rather than a junction box of one side, set firmly the blast pipe with transition box and external intercommunication on the transition box.

Through adopting above-mentioned technical scheme, in the use, think the inside metal solution that pours of model through pouring the passageway, metal solution flows and receives when hindering in the model is inside, can pass through the inner tube, well pipe and outer tube are to the inside removal of connecting box, it is inside to flow simultaneously to go into the transition box, when the cavity that does not fill up by metal solution appears in other positions inside the model, the inside metal solution of transition box and connecting box can pass through the inner tube, well pipe and outer tube get into the inside cavity department of model and fill, further reduction the possibility that the inside cavity of model appears, the yield is improved.

Preferably, the following steps: the casting channel comprises a sprue, a connecting block fixedly arranged on the sprue, two cross runners fixedly arranged on the connecting block, a round runner fixedly connected with the cross runners and a plurality of connecting runners fixedly arranged on the round runner, the connecting runners are fixedly connected with the model, the round runner is semicircular, the round runner is provided with two parts and is arranged oppositely, the end parts of the two cross runners, far away from the sprue, are fixedly connected with the two round runners respectively, and the connecting ends of the two cross runners and the round runner are respectively positioned on one side of two connecting boxes.

Through adopting above-mentioned technical scheme, let in the metallic solution that melts to the cross gate is inside through the sprue, because the even distribution of a plurality of cross gates is on the circle waters, so the shaping that the metallic solution can be even quick has improved pouring speed and quality.

Preferably, the following steps: and a ceramic filter screen is fixedly arranged at the joint of the sprue and the cross runner.

Through adopting above-mentioned technical scheme, ceramic filter screen can filter the impurity in the melt, avoids impurity to get into the die cavity, makes the frame quality of casting out not influenced.

Preferably, the following steps: and a chill is fixedly arranged on the bottom surface of the round pouring gate.

Through adopting above-mentioned technical scheme, when making the mould, the chill can be stayed in the mould, and the chill can improve the cooling rate of near melt, can improve the intensity of near frame lateral wall, is convenient for carry out subsequent processing to the frame.

Preferably, the following steps: the chilling block comprises an inner block, a middle block and an outer block, wherein the inner block, the middle block and the outer block are all in fan-shaped arrangement, the inner block, the middle block and the outer block are all in circular ring-shaped distribution, the inner block is located inside the middle block in circular ring-shaped distribution, the middle block is located inside the outer block in circular ring-shaped distribution, and the inner block, the middle block and the outer block are not abutted to each other.

Through adopting above-mentioned technical scheme, can make the chill can be even go out the heat transfer of molten metal for the cooling rate of molten metal.

Preferably, the following steps: the inner block, the middle block and the outer block are positioned on the same plane.

Through adopting above-mentioned technical scheme, can make the chill more convenient be connected with circular pouring gate, can make the cooling rate everywhere of melt more close simultaneously.

To sum up, the utility model discloses compare and have following beneficial effect in prior art: 1. through well pipe, inner tube, outer tube, connecting box and transition box, the inside metal solution of model that can be better faster distributes evenly, has improved the yields.

Drawings

FIG. 1 is an isometric view of an embodiment;

FIG. 2 is a schematic view showing the structure of a chiller according to the embodiment.

Reference numerals: 1. a model; 2. pouring a channel; 21. connecting blocks; 22. a cross gate; 23. a round pouring gate; 24. connecting a pouring channel; 25. a sprue; 3. an inner tube; 31. a middle tube; 32. an outer tube; 33. a connection box; 34. a transition box; 35. an exhaust pipe; 36. a connecting pipe; 4. an inner block; 5. a middle block; 6. an outer block; 7. and (5) performing cold iron.

Detailed Description

Example (b): a mold core of a base mold, which is shown in figures 1 and 2, comprises a mold 1, wherein the mold 1 is in a disc shape. The casting channel is fixedly arranged on the model 1 and comprises a sprue 25, a connecting block 21 fixedly arranged on the sprue 25, two cross runners 22 fixedly arranged on the connecting block 21, two round runners 23 fixedly connected with the two cross runners 22 and a plurality of connecting runners 24 fixedly arranged on the round runners 23, wherein the round runners 23 are of semicircular annular structures. Two cross runners 22 all have one end and connecting block 21 fixed connection, the other end and round runner 23 fixed connection, and two cross runners 22 are the symmetrical distribution on round runner 23 top surface. The vertical setting of sprue 25, and the end fixed connection of sprue 25 is on the top surface of connecting block 21, and the bottom of sprue 25 has set firmly ceramic filter with the junction of connecting block 21, and ceramic filter can filter the impurity in the melt, avoids the melt to bring impurity into the die cavity, can not contain a plurality of impurity in the frame that makes the casting come out, improves the quality of frame.

The top surface of the model 1 is fixedly connected with a vertically arranged inner tube 3, the inner tube 3 is in a shape of an inverted circular truncated cone with two communicated ends, the inner tube 3 is uniformly distributed with four rectangular pointed angles, the top surface of the model 1 is fixedly connected with a vertically arranged middle tube 31, the middle tube 31 is distributed with four rectangular pointed angles, two sides of each inner tube 3 are respectively provided with one middle tube 31, the inner tube 3 is positioned in an area surrounded by the middle tubes 31, the top surface of the model 1 is fixedly provided with a vertically arranged outer tube 32, the outer tube 32 is in a shape of an inverted circular truncated cone with two communicated ends, and eight outer tubes 32 are arranged, two outer tubes 32 are arranged between every two adjacent middle tubes 31, the middle tubes 31 are positioned in an area defined by eight outer tubes 32, the diameter of the bottom end of each inner tube 3 is equal to that of the bottom end of the middle tube 31 and is equal to that of the bottom end of the outer tube 32, the diameter of the top end of each inner tube 3 is smaller than that of the top end of the middle tube 31, and the diameter of the top end of the middle tube 31 is smaller than that of the top end of the outer; the inner pipes 3 are fixedly connected with a connecting box 33 which is in a horizontal trapezoid box shape, the connecting box 33 is fixedly connected to the top ends of the two inner pipes 3, the connecting box 33 is fixedly connected with one middle pipe 31 and the two outer pipes 32 on one side, the connecting box 33 is communicated with the interior of the model 1 through the inner pipes 3, the middle pipes 31 and the outer pipes 32 connected with the connecting box 33, the two connecting boxes 33 are distributed oppositely and symmetrically, the other two middle rods are fixedly connected with transition boxes 34 which are in a horizontal triangle box shape, each transition box 34 is fixedly connected with the two outer pipes 32 on one side where the transition box is located, the transition boxes 34 are communicated with the interior of the model 1 through the outer pipes 32 and the middle pipes 31 fixedly connected with the transition boxes 34, the horizontal connecting pipes 36 are fixedly connected to the side walls of the transition boxes 34, one ends of the connecting pipes 36 are fixedly connected with the transition boxes 34, and the other ends, and there is one and only one connecting rod on each transition box 34 and one and only one connecting rod on each connection box 33. An exhaust pipe 35 for communicating the transition box 34 with the outside is fixedly arranged on the transition box 34

Model 1's bottom surface has set firmly chiller 7, chiller 7 includes interior piece 4, well piece 5 and outer piece 6, interior piece 4, well piece 5 and outer piece 6 all are fan-shaped setting, and interior piece 4, well piece 5 and outer piece 6 all are ring shape distribution, interior piece 4 is located inside the well piece 5 of ring shape distribution, well piece 5 is located inside the outer piece 6 of ring shape distribution, adjacent interior piece 4, each butt between well piece 5 and the outer piece 6, interior piece 4, the top surface and the bottom surface of well piece 5 and outer piece 6 are located the coplanar respectively, each interior piece 4 all with along its lateral wall length direction enclose regional inside two well pieces 5 and three outer fan-shaped structure that soon forms, two of each interior piece 4 all have two symmetries to set up in the region that the extension line of planar lateral wall encloses promptly and the outer piece 6 of three evenly distributed.

The working principle of the machine seat mold when the mold core is used is as follows: in the use, think the inside metal solution that pours of model through pouring the passageway, metal solution flows and receives when hindering in the model is inside, can pass through the inner tube, well pipe and outer tube are inside to the connecting box to move, flow simultaneously and go into inside the transition box, when the cavity that is not filled up by metal solution appears in other positions inside the model, the inside metal solution of transition box and connecting box can pass through the inner tube, well pipe and outer tube get into the inside cavity department of model and fill, further reduction the possibility that the inside cavity of model appears, the yield has been improved.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a mold core of frame mould which characterized in that: comprises a model (1), a casting channel communicated with the model (1) is fixedly connected on the model (1), an inner pipe (3) which is vertically arranged is fixedly connected on the top surface of the model (1), the inner pipe (3) is in a round table shape which is inverted and communicated with two ends, the inner pipe (3) is uniformly distributed in four sharp-angle shapes which are rectangular, a middle pipe (31) which is vertically arranged is fixedly connected on the top surface of the model (1), the middle pipe (31) is distributed in four sharp-angle shapes which are rectangular, two middle pipes (31) are respectively arranged on two sides of each inner pipe (3), the inner pipe (3) is positioned in the region surrounded by the middle pipes (31), an outer pipe (32) which is vertically arranged is fixedly arranged on the top surface of the model (1), the outer pipe (32) is in a round table shape which is inverted and communicated with two ends, eight outer pipes (32) are arranged, and two outer pipes (32), the middle pipe (31) is positioned in an area enclosed by the eight outer pipes (32), the diameter of the bottom end of the inner pipe (3) is equal to that of the bottom end of the middle pipe (31) and equal to that of the outer pipe (32), the diameter of the top end of the inner pipe (3) is smaller than that of the top end of the middle pipe (31), and the diameter of the top end of the middle pipe (31) is smaller than that of the top end of the outer pipe (32); the inner pipes (3) are fixedly connected with connecting boxes (33) which are in a trapezoidal box shape and are horizontally arranged, the connecting boxes (33) are simultaneously and fixedly connected with the top ends of the two inner pipes (3), the connecting boxes (33) are fixedly connected with a middle pipe (31) and two outer pipes (32) on one side, the connecting boxes (33) are communicated with the inside of the model (1) through the inner pipes (3), the middle pipe (31) and the outer pipes (32) which are connected with the connecting boxes, the two connecting boxes (33) are oppositely distributed and symmetrically arranged, the other two middle rods are fixedly connected with transition boxes (34) which are in a triangular box shape and are horizontally arranged, each transition box (34) is fixedly connected with the two outer pipes (32) on one side where the transition box (34) is located, the transition boxes (34) are communicated with the inside of the model (1) through the outer pipes (32) and the middle pipe (31) which are fixedly connected with the transition boxes, and the transition boxes (34) are communicated with, an exhaust pipe (35) for communicating the transition box (34) with the outside is fixedly arranged on the transition box (34).

2. The core of the stand mold of claim 1, wherein: the casting channel comprises a sprue (25), a connecting block (21) fixedly arranged on the sprue (25), two cross runners (22) fixedly arranged on the connecting block (21), a round runner (23) fixedly connected with the cross runners (22) and a plurality of connecting runners (24) fixedly arranged on the round runner (23), wherein the connecting runners (24) are fixedly connected with the model (1), the round runner (23) is semicircular, the round runner (23) is provided with two parts which are arranged oppositely, and the end parts of the two cross runners (22) far away from the sprue (25) are fixedly connected with the two round runners (23).

3. The core of the stand mold of claim 2, wherein: and a ceramic filter screen is fixedly arranged at the joint of the sprue (25) and the cross runner (22).

4. The core of the stand mold of claim 3, wherein: and a chilling block (7) is fixedly arranged on the bottom surface of the round pouring gate (23).

5. The core of the stand mold of claim 4, wherein: chilling block (7) are including interior piece (4), well piece (5) and outer piece (6), interior piece (4), well piece (5) and outer piece (6) all are fan-shaped setting, and interior piece (4), well piece (5) and outer piece (6) all are ring form distribution, interior piece (4) are located inside well piece (5) that ring form distributes, well piece (5) are located inside outer piece (6) that ring form distributes, adjacent interior piece (4), each other butt between well piece (5) and outer piece (6), each interior piece (4) all with form fan-shaped structure along two well pieces (5) and three of its lateral wall length direction besieged city regional inside soon.

6. The core of the stand mold of claim 5, wherein: the inner block (4), the middle block (5) and the outer block (6) are positioned on the same plane.