CN210702378U - Mold core for machine base mold - Google Patents

Abstract

The utility model discloses a mold core for 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 communicated with the model is fixedly connected on the model, a riser is fixedly connected on the top surface of the model, a riser box is fixedly arranged at the top end of the riser, a plurality of riser boxes are uniformly distributed along the circumferential direction, a plurality of riser pipes which are uniformly distributed in a cuboid shape are fixedly arranged on the bottom surface of each riser box, and the riser boxes are communicated with the interior of the model through the riser pipes; the equal fixedly connected with riser pipe of the vertical setting of model top surface between two adjacent riser boxes, riser pipe are the round platform form of invering, and the top fixedly connected with annular connecting pipe of riser pipe, the top of connecting pipe set firmly the push pipe of vertical setting, and the push pipe is through connecting pipe and riser pipe and the inside intercommunication of model. The utility model provides a can harm the technical problem of frame under the prior art when beating the arch, reached and to have reduced the effect to the damage of frame, be applied to in the manufacturing of frame.

Description

Mold core for 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 for 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 head is in a casting mould, a cavity of the feeder head is a cavity for storing liquid metal, metal is supplied when a casting is formed, the functions of preventing shrinkage cavity, shrinkage porosity, exhausting and slag collection are achieved, and the main function of the feeder head is feeding; however, due to the presence of the riser, additional protrusions are formed on the surface of the cast base, and the excessive portions need to be removed, but the connection surface between the additional protrusions and the base is large, so that the base molded in the mold is damaged when the additional protrusions are removed, and the quality of the base is affected.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to provide a mold core for frame mould, its through emit the pipe, with emit rising head box, the riser pipe and the connecting tube of pipe intercommunication, can reduce the area of being connected between the frame in the arch that need knock off and the model, reduced the influence to the frame quality.

In order to achieve the above purpose, the utility model provides a following technical scheme: a mold core for a base mold comprises a model, wherein a casting channel communicated with the model is fixedly connected to the model, riser pipes are fixedly connected to the top surface of the model, riser boxes are fixedly arranged at the top ends of the riser pipes and are uniformly distributed along the circumferential direction, a plurality of riser pipes which are uniformly distributed in a cuboid shape are fixedly arranged on the bottom surface of each riser box, and the riser boxes are communicated with the interior of the model through the riser pipes; the equal fixedly connected with riser pipe of the vertical setting of model top surface between two adjacent riser boxes, riser pipe are the round platform form of invering, and the top fixedly connected with annular connecting pipe of riser pipe, the top of connecting pipe set firmly the push pipe of vertical setting, and the push pipe is through connecting pipe and riser pipe and the inside intercommunication of model.

Through adopting above-mentioned technical scheme, in the use, inside the user pours into the casting passageway with metal solution, metal solution can get into inside the model through pouring the passageway, unnecessary metal solution can get into the rising head box on the rising head pipe through the rising pipe, still can get into the connecting tube through the rising head pipe simultaneously inside, heat in the model can outwards give off through the push pipe, when phenomena such as shrinkage porosity appear at the frame in the model in the forming process, the inside metal solution of rising head box can get into the inside replenishment of model through the rising pipe, after the frame shaping, because the less rising pipe of a plurality of diameters has set firmly on the rising head box bottom surface, so the user only need knock off very little area and can take off rising head box and connecting tube from the frame, the possibility that the frame received the damage has been reduced.

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 runner is fixedly connected with the model, the round runner is semicircular, the round runner is provided with two parts and is arranged oppositely, and the end parts of the two cross runners, far away from the sprue, are respectively fixedly connected with the two round runners.

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

Preferably, the following steps: the both ends that the circle was watered all are equipped with inside hollow protruding portion, and the one end that the circle was watered is located one side of connecting block, fixedly connected with on the protruding portion of the other end with the circle water the connecting box of intercommunication, the connecting box is watered two different circles and is communicate.

Through adopting above-mentioned technical scheme, in the use, the connecting box can make the inside even stable solution that is full of casting passageway when user's initial stage is to the inside pouring solution of model for metal solution can be stable get into the inside and evenly distributed of model, reduced the possibility that produces the defect

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.

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.

Preferably, the following steps: the bottom end of the chilling block is fixedly provided with a fixing nail which is perpendicular to the chilling block, and the tip part of the fixing nail is vertically arranged downwards.

Through adopting above-mentioned technical scheme, can make in the more smooth and easy sand that inserts of chill through the staple, the operation of being convenient for

To sum up, the utility model discloses compare and have following beneficial effect in prior art: 1. through rising the pipe, with rising the rising head box, the riser pipe and the connecting tube that rise the pipe intercommunication, can reduce the area of being connected between the frame in the arch that needs to knock off and the model, reduced the influence to the frame quality.

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; 11. a top pipe; 12. a riser box; 13. a riser pipe; 14. connecting pipes; 15. jacking pipes; 2. a casting channel; 21. connecting a pouring channel; 22. a round pouring gate; 23. a cross gate; 24. connecting blocks; 25. a sprue; 26. a convex portion; 27. a connection box; 3. performing cold iron; 31. an outer block; 32. a middle block; 33. an inner block; 34. inserting a rod; 35. and (5) fixing the nail.

Detailed Description

Example (b): a mould core for a frame mould, see figures 1 and 2, comprises a mould 1, the mould 1 being disc-shaped. Casting passageway 2 has set firmly on model 1, casting passageway 2 includes sprue 25, set firmly connecting block 24 on sprue 25, set firmly two runners 23 on connecting block 24, respectively with two runners 23 two circle runners 22 of two fixed connection and set firmly a plurality of connections runner 21 on circle runner 22, circle runner 22 is half circular ring structure, and the both ends department of circle runner 22 all is equipped with to the bellied boss portion 26 of circle runner 22 top surface, two one end that circle runner 22 is located connecting block 24, and the boss portion 26 top surface that is located connecting block 24 one side is higher than connecting block 24's top surface, common fixedly connected with connecting box 27 on the boss portion 26 of the other end, connecting box 27 is with two circles runner 22 intercommunications. Two cross runners 23 all have one end and connecting block 24 fixed connection, the other end and round runner 22 fixed connection, and two cross runners 23 are the symmetrical distribution on round runner 22 top surface. The vertical setting of sprue 25, and the end fixed connection of sprue 25 is on connecting block 24's top surface, and the bottom of sprue 25 and connecting block 24's junction have set firmly ceramic filter screen, and ceramic filter screen 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 plurality of vertically arranged riser tubes 11, the riser tubes 11 are divided into four groups, the top end of each group of riser tubes 11 is fixedly connected with a riser box 12, the riser tubes 11 on the bottom surface of the riser box 12 are uniformly distributed in a cuboid shape, and the riser box 12 is in an inverted round table shape. Four groups of riser pipes 11 are uniformly distributed along the circumferential direction, namely four riser boxes 12 are uniformly distributed along the circumferential direction, the riser boxes 12 are communicated with the interior of the model 1 through the riser pipes 11, and the riser boxes 12 are communicated with the outside only through the riser pipes 11. The riser pipe 13 of the vertical setting of fixedly connected with on the model 1 between two adjacent rising head boxes 12, riser pipe 13 is the round platform form of invering, four riser pipes 13 are along circumference evenly distributed, and the connecting pipe 14 of the vertical setting of axis of the common fixedly connected with in top of four riser pipes 13, connecting pipe 14 passes through riser pipe 13 and the inside intercommunication of model 1, the push pipe 15 of the vertical setting of fixedly connected with on the top surface of connecting pipe 14, push pipe 15 and external intercommunication. The bottom surface of the model 1 is fixedly provided with the chiller 3, the chiller 3 comprises an inner block 33, a middle block 32 and an outer block 31, and the top surfaces and the bottom surfaces of the inner block 33, the middle block 32 and the outer block 31 are respectively positioned on the same plane. The bottom surfaces of the inner block 33, the middle block 32 and the outer block 31 are fixedly provided with an insertion rod 34 which is perpendicular to the bottom surface of the inner block 33, the insertion rod 34 is vertically arranged, and the bottom end of the insertion rod 34 is fixedly connected with an inverted conical fixing nail 35. Each inner block 33 has two symmetrically arranged middle blocks 32 and three evenly distributed outer blocks 31 in an area enclosed by extensions of two planar side walls.

The working principle of the mold core for the machine base mold during use is as follows: in the using process, a user pours a metal solution into the casting channel 2, the metal solution enters the model 1 through the casting channel, redundant metal solution enters the riser box 12 on the riser 11 through the riser pipe 11 and enters the connecting pipe 14 through the riser pipe 13, heat in the model 1 can be dissipated outwards through the riser pipe 15, when a machine base in the model 1 is loosened in the forming process, the metal solution inside the riser box 12 can enter the model 1 through the riser pipe 11 to be supplemented, after the machine base is formed, the riser pipes 11 with smaller diameters are fixedly arranged on the bottom surface of the riser box 12, so that the riser box 12 and the connecting pipe 14 can be taken down from the machine base only by knocking off a small area of the user, and the possibility that the machine base is damaged is reduced.

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 (8)

1. The utility model provides a mold core for frame mould which characterized in that: the casting mold comprises a mold (1), a casting channel (2) communicated with the mold (1) is fixedly connected to the mold (1), a riser (11) is fixedly connected to the top surface of the mold (1), a plurality of riser boxes (12) are fixedly arranged at the top ends of the riser (11), and are uniformly distributed along the circumferential direction, a plurality of riser tubes (11) which are uniformly distributed in a rectangular shape are fixedly arranged on the bottom surface of each riser box (12), and the riser boxes (12) are communicated with the interior of the mold (1) through the riser tubes (11); equal fixedly connected with riser pipe (13) of the vertical setting of model (1) top surface between two adjacent rising head boxes (12), riser pipe (13) are the round platform form of invering, and the top fixedly connected with of riser pipe (13) is cyclic annular even pipe (14), and the top of even pipe (14) has set firmly push pipe (15) of vertical setting, and push pipe (15) are through even pipe (14) and riser pipe (13) and model (1) inside intercommunication.

2. The mold core for a housing mold as defined in claim 1, wherein: casting passageway (2) include sprue (25), set firmly connecting block (24) on sprue (25), set firmly two horizontal runners (23) on connecting block (24), simultaneously with a plurality of horizontal runner (23) fixed connection's circle runner (22) and a plurality of connection runner (21) of setting firmly on circle runner (22), connect runner (21) and model (1) fixed connection, circle runner (22) are half circular, circle runner (22) have two and relative setting, the tip of sprue (25) is kept away from in two horizontal runners (23) respectively with two circle runner (22) fixed connection.

3. The mold core for a housing mold as defined in claim 2, wherein: both ends of circle watering (22) all are equipped with inside hollow protruding portion (26), and the one end of circle watering (22) is located one side of connecting block (24), and fixedly connected with waters connecting box (27) that (22) communicate with the circle on protruding portion (26) of the other end, and connecting box (27) are watered two different circles (22) intercommunication.

4. The mold core for a housing mold of claim 3, wherein: and a ceramic filter screen is fixedly arranged at the joint of the sprue (25) and the cross runner (23).

5. The mold core for a housing mold as defined in claim 4, wherein: and a chilling block (3) is fixedly arranged on the bottom surface of the round pouring gate (22).

6. The mold core for a housing mold of claim 5, wherein: the chilling block (3) comprises an inner block (33), a middle block (32) and an outer block (31).

7. The mold core for a housing mold of claim 6, wherein: the inner block (33), the middle block (32) and the outer block (31) are located on the same plane.

8. The mold core for a housing mold of claim 7, wherein: the bottom end of the chilling block (3) is fixedly provided with a fixing nail (35) which is vertical to the chilling block (3), and the tip part of the fixing nail (35) is vertically arranged downwards.

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