CN217432957U

CN217432957U - Casting die core box

Info

Publication number: CN217432957U
Application number: CN202220292194.7U
Authority: CN
Inventors: 高峰
Original assignee: Qingdao Hairuite Machinery Co ltd
Current assignee: Qingdao Hairuite Machinery Co ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-09-16
Anticipated expiration: 2032-02-11

Abstract

The utility model is suitable for the technical field of core preparation equipment, and provides a casting die core box, which comprises a core box body; the core box body comprises a first box body and a second box body; the middle parts of the first box body and the second box body are provided with cavities, and a plurality of sand injection holes are arranged at the connecting part of the upper ends of the middle parts of the first box body and the second box body; the sand injection holes are uniformly distributed along the parting surface of the middle parts of the first box body and the second box body; two groups of supporting plates are arranged on two sides of the first box body and the second box body, and a plurality of clamping grooves are formed in each group of supporting plates; the edge of the first box body is provided with a plurality of sealing platforms, and the corresponding position of the second box body is provided with a groove; the sealing platform is further provided with a limiting groove, one side of the first box body, which is far away from the limiting groove, and the second box body are respectively provided with a limiting boss, and the limiting bosses correspond to the limiting groove. Therefore, the utility model discloses an to the inside improvement of current core box body, when improving the yield, improve the purpose of preparation efficiency.

Description

Casting die core box

Technical Field

The utility model relates to a core preparation equipment technical field especially relates to a casting die core box.

Background

The molds used to prepare the cores of the castings are called core boxes. Different core box shapes need to be designed for different types of workpieces. The core is made of a lot of materials, and is generally formed by mixing molding materials such as casting sand, a molding sand binder, an additive and the like according to a proportion.

When the casting mold is used, the mold core is placed in the casting mold before casting, after the metal liquid is poured into the casting mold for condensation, the mold core is removed during sand discharging, and a casting can form a cavity. In order to increase the strength of the core, a skeleton made of iron wire or cast iron is also arranged in part of the core.

The pipe is mostly formed by casting, a large amount of cores are needed, and for the cores at the joints of the pipe, because the shape is special, the precision requirement on the cores is higher, and during preparation, the pipe is mostly formed by pressing a mold. However, when the conventional core is prepared, the molding quantity is 1-2 at each time, the efficiency is low, and the technical defect that the rod core is scrapped due to insufficient sand shooting or incomplete sand shooting commonly exists in the core preparation process.

In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.

SUMMERY OF THE UTILITY MODEL

To foretell defect, the utility model aims to provide a casting mould core box, it is through the improvement to current core box body inside, when improving the yield, improves the purpose of preparation efficiency.

In order to achieve the above object, the utility model provides a casting die core box, which comprises a core box body; the core box body comprises a first box body and a second box body; the middle parts of the first box body and the second box body are provided with cavities, and a plurality of sand injection holes are arranged at the connecting part of the upper ends of the middle parts of the first box body and the second box body; the sand injection holes are uniformly distributed along the parting surface of the middle parts of the first box body and the second box body; two groups of supporting plates are arranged on two sides of the first box body and the second box body, and a plurality of clamping grooves are formed in each group of supporting plates; the edge of the first box body is provided with a plurality of sealing tables, and the corresponding position of the second box body is provided with a groove; the sealing platform is further provided with a limiting groove, one side of the first box body, which is far away from the limiting groove, and the second box body are respectively provided with a limiting boss, and the limiting bosses correspond to the limiting groove.

According to the utility model discloses a casting mold core box, be equipped with a plurality of locating pin on the first box body, the locating pin is under the narrow toper of width.

According to the utility model discloses a casting die core box, the arc is personally submitted to the lower extreme of spacing groove, and the width and the position of spacing groove all are the symmetric distribution along core box body middle part.

According to the utility model discloses a casting mould core box, first box body middle part is equipped with first boss and second boss, and the terminal surface of second boss is convex, and the both sides of first boss and second boss all are equipped with a plurality of deep floor.

According to the utility model discloses a casting mould core box, still be equipped with a plurality of cushion between first box body and the second box body, cushion up end level, first box body or second box body are pegged graft in the lower extreme activity.

According to the utility model discloses a casting mould core box, the cushion joint is in the up end of connecting first boss.

The utility model provides a casting mould core box, which comprises a core box body; the core box body comprises a first box body and a second box body; the middle parts of the first box body and the second box body are provided with cavities, and a plurality of sand injection holes are arranged at the connecting part of the upper ends of the middle parts of the first box body and the second box body; the preparation method of the core is similar to casting, the first box body and the second box body are respectively fixed on a power device through a supporting plate and a clamping groove, then the prepared core material is injected from a sand injection hole, and compression molding is carried out according to the shape of the core required by a casting. The first box body and the second box body need to be filled with sand at the same time, so that the sand filling hole needs to be formed in the parting surface of the first box body and the parting surface of the second box body. The edge of the first box body is provided with a plurality of sealing tables, and the corresponding position of the second box body is provided with a groove; the sealing platform, the groove height and the depth are the same, and the clamping connection of the first box body and the second box body is convenient to realize. The sealing platform is further provided with a limiting groove, one side of the first box body, which is far away from the limiting groove, and the second box body are respectively provided with a limiting boss, and the limiting bosses correspond to the limiting groove. The first box body and the second box body are high in precision, when the box body moves, in order to prevent dislocation, a plurality of limiting grooves are formed in the first box body, and limiting bosses are arranged at positions corresponding to the second box body. For more balanced and even stress, the cavities in the first box body and the second box body are distributed in a central symmetry manner, so that the number of the mold cores processed at each time can be doubled.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

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

fig. 3 is an enlarged schematic structural diagram of a point a in fig. 2 according to the present invention;

in the figure, 1-a first box body, 2-a second box body, 3-a sand injection hole, 4 sealing platforms, 5 limiting grooves, 6 supporting plates, 7 clamping grooves, 8 limiting bosses, 9 positioning pins, 10 cushion blocks, 11 first bosses, 12 second bosses and 13 reinforcing rib plates.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments, it is to be understood that the specific embodiments described herein are only used for explaining the present invention, and are not used for limiting the present invention.

Referring to fig. 1-3, the present invention provides a core box for a casting mold, comprising a core box body; the core box body comprises a first box body 1 and a second box body 2; a cavity is arranged in the middle of the first box body 1 and the second box body 2, and a plurality of sand injection holes 3 are arranged at the joint of the upper ends of the middle parts of the first box body 1 and the second box body 2; the preparation method of the core is similar to casting, the first box body 1 and the second box body 2 are respectively fixed on a power device through a supporting plate 6 and a clamping groove 7, then the prepared core material is injected from a sand injection hole 3, and compression molding is carried out according to the shape of the core required by a casting. First box body 1 and second box body 2 need annotate the sand simultaneously, consequently annotate sand hole 3 and need set up on the die joint of first box body 1 and second box body 2. The edge of the first box body 1 is provided with a plurality of sealing platforms 4, and the corresponding position of the second box body 2 is provided with a groove; the sealing platform 4, the groove height and the depth are the same, so that the first box body 1 and the second box body 2 can be clamped conveniently. Still be equipped with spacing groove 5 on the sealing bench 4, all be equipped with spacing boss 8 on one side that spacing groove 5 was kept away from to first box body 1 and the second box body 2, spacing boss 8 corresponds with 5 positions in spacing groove. First box body 1 is higher with 2 precision of second box body, and when the motion, in order to prevent the dislocation, set up a plurality of spacing groove 5 on the first box body 1, second box body 2 corresponds the position and sets up spacing boss 8. For the atress more balanced, even, the die cavity in first box body 1 and the second box body 2 should be central symmetry distribution, and the core quantity of processing at every turn can double like this.

Preferably, the utility model discloses a be equipped with a plurality of locating pin 9 on the first box body 1, locating pin 9 is the toper of narrow-down width. When mounting, except if there is no limit groove 5 and limit boss 8, can use the less locating pin 9 of volume to carry out the joint to first box 1 and second box 2. According to the shape of the core box body, the positioning pin 9 can be generally designed to be detachable, and the upper end of the positioning pin 9 is small, the lower end of the positioning pin is large, and the positioning pin can be clamped into the core box body more easily.

Additionally, the utility model discloses a lower extreme of spacing groove 5 is personally submitted the arc, and the width and the position of spacing groove 5 all are the symmetric distribution along core box body middle part. The limiting groove 5 is used for temporarily positioning the first box body 1 and the second box body 2 and increasing the internal cavity space. Meanwhile, the molding sand can be supplemented to the core.

Further, the utility model discloses a 1 middle part of first box body is equipped with first boss 11 and second boss 12, and the terminal surface of second boss 12 is arc, and the both sides of first boss 11 and second boss 12 all are equipped with a plurality of deep floor 13. The first boss 11 and the second boss 12 have a relatively high height, and are used for supporting and forming a ravine around the first boss and the second boss, so that the core can be conveniently manufactured. The end surfaces of the first boss 11 and the second boss 12 are arc-shaped, particularly the end surface of the second boss 12 is arc-shaped with a low middle and two high sides, and is suitable for pipe fittings or cores of end covers of automobile engines.

Better, the utility model discloses a still be equipped with a plurality of cushion 10 between first box body 1 and the second box body 2, cushion 10 up end level, first box body 1 or second box body 2 are pegged graft in the lower extreme activity. In order to prevent the first box body 1 and the second box body 2 from being directly and seamlessly clamped when being placed, a sealed vacuum area is formed, and a plurality of cushion blocks 10 are required to be placed between the first box body 1 and the second box body 2 in a standing state. Cushion 10 joint is on the terminal surface of first boss 11 or second boss 12, easy to assemble and dismantlement.

Naturally, the present invention can be embodied in many other forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be made by one skilled in the art without departing from the spirit or essential attributes thereof, and it is intended that all such changes and modifications be considered as within the scope of the appended claims.

Claims

1. A casting mould core box is characterized by comprising a core box body; the core box body comprises a first box body and a second box body; the middle parts of the first box body and the second box body are provided with cavities, and a plurality of sand injection holes are arranged at the connecting part of the upper ends of the middle parts of the first box body and the second box body; the sand injection holes are uniformly distributed along the parting surface of the middle parts of the first box body and the second box body;

two groups of supporting plates are arranged on two sides of the first box body and the second box body, and a plurality of clamping grooves are formed in each group of supporting plates;

the edge of the first box body is provided with a plurality of sealing tables, and the corresponding position of the second box body is provided with a groove;

the sealing platform is also provided with a limiting groove, one side of the first box body, which is far away from the limiting groove, and the second box body are respectively provided with a limiting boss, and the limiting bosses correspond to the limiting groove in position;

the first box body and the second box body are centrosymmetric in overall shape.

2. The casting mold core box according to claim 1, wherein the first box body is provided with a plurality of positioning pins, and the positioning pins are tapered with a narrow top and a wide bottom.

3. The casting mold core box according to claim 2, wherein the lower end surface of the limiting groove is arc-shaped, and the width and the position of the limiting groove are symmetrically distributed along the middle part of the core box body.

4. The casting mold core box according to claim 1, wherein a first boss and a second boss are arranged in the middle of the first box body, the end face of the second boss is arc-shaped, and a plurality of reinforcing rib plates are arranged on two sides of the first boss and two sides of the second boss.

5. The casting mold core box according to claim 4, wherein a plurality of spacers are further provided between the first box body and the second box body, the spacers having a horizontal upper end surface and a lower end for movably inserting the first box body or the second box body.

6. The casting mold core box of claim 5, wherein the pad block is snap-fit to an upper end surface of the first boss.