CN210208563U - High-precision box closing device for casting - Google Patents

Abstract

The utility model discloses a high-precision mould assembling device for casting, which comprises a cope flask, a drag flask and a replacement strip, cavities are respectively arranged in the middle of the lower end surface of the upper sand box and the upper end surface of the lower sand box, grooves are respectively arranged on the two sides of the lower end surface of the upper sand box and the upper end surface of the lower sand box, limiting holes are equidistantly arranged in the groove, the replacement strip is placed in the groove, positioning columns are distributed on the upper end surface and the lower end surface of the replacement strip at equal intervals, and the positioning column is inserted in the limiting hole, the upper end surface of the upper sand box is provided with a casting pipe in a penetrating way, the casting pipe is connected with the cavity, hanging rings are fixed at two ends of two sides of the upper sand box, inserting blocks are fixed at two ends of two sides of the upper sand box and the lower sand box, the positioning pins are inserted in the insertion blocks, two ends of each positioning pin are respectively inserted in the corresponding two insertion blocks, and the insertion blocks are located on one adjacent side of the hanging ring. The utility model discloses possess and to dismantle with the positioning mechanism who trades, be convenient for with trading, the advantage that precision reduces after the anti-wear.

Description

High-precision box closing device for casting

Technical Field

The utility model relates to a sand casting technical field specifically is a casting is with high accuracy device of closing box.

Background

Sand casting refers to a casting process that produces a casting in a sand mold. Steel, iron and most nonferrous metal castings can be obtained by sand casting. The molding material used for sand casting is cheap and easy to obtain, the casting mould is simple and convenient to manufacture, and the casting mould can adapt to single-piece production, batch production and mass production of castings, and is a basic process in casting production for a long time.

The mould assembling positioning of the upper and lower sand boxes of large castings in China mostly adopts manual naked eye alignment and common instrument auxiliary operation, and the positioning of the mode is not accurate enough, so that the situations of box staggering and processing quality reduction are easily caused. The positioning mechanism of the sand box is worn and damaged in long-time use; the existing positioning mechanism is mostly connected with the sand box body and cannot be disassembled; the whole sand box needs to be replaced after being worn, and the number of produced finished products is increased.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a casting is with high accuracy mold assembling device possesses and can dismantle with the positioning mechanism who trades, is convenient for with trading, and the problem that the precision reduces is used for a long time to current sand box is solved to the advantage that the precision reduces after the preventing wear and tear.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a high accuracy mould assembling device is used in casting, includes cope flask, drag flask and replacement strip, the cavity has all been seted up to the department in the middle of cope flask lower extreme face and drag flask up end, the recess has all been seted up to the both sides of cope flask lower extreme face and drag flask up end, spacing hole has been seted up to the equidistance in the recess, the replacement strip is placed in the recess, the equal equidistance of upper and lower both ends face of replacement strip distributes and has the reference column, and the reference column pegs graft in spacing downthehole, the up end of cope flask runs through and installs the casting tube, and the casting tube connects the cavity, the both ends of cope flask both sides all are fixed with rings, the both ends of cope flask and drag flask both sides all are fixed with the inserted block, the interpolation of inserted block has.

Preferably, the grooves are four in number, the two corresponding grooves form a placing cavity, and the replacing strips are matched with the placing cavity.

Preferably, the opening of the limiting hole is funnel-shaped, and the limiting hole is matched with the positioning column.

Preferably, handles are fixed at two ends of the replacement strip and are located in the grooves.

Preferably, the positioning pin is C-shaped, two ends of the positioning pin are respectively inserted into the two corresponding insertion blocks, and the insertion blocks are located on one adjacent side of the hanging ring.

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

1. the utility model has the advantages that the upper sand box is suspended by arranging the replacement strip, the hanging rings at four corners are connected by external equipment, the replacement strip is lifted by holding the handle by a worker, the replacement strip is placed in the grooves at two sides of the lower sand box, the positioning columns at the lower end faces of the replacement strip enter the limiting holes for fixing, the external equipment is started to lower the upper sand box, the limiting holes in the grooves at the lower end faces of the upper sand box are spliced with the positioning columns at the upper end faces of the replacement strip, the limiting holes on the upper sand box and the lower sand box are limited by the limiting holes on the replacing strips, so that the upper sand box and the lower sand box are fixed together, the positioning columns on the replacement strips are easy to wear in the using process, the replacement strips can be replaced, the accuracy of the sand box is ensured, when the cope flask is connected with the drag flask, the positioning pin is inserted into the corresponding insert block for positioning, so that the connection tightness of the cope flask and the drag flask is increased, and a product is poured in the cavity through the casting pipe.

Drawings

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

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

FIG. 3 is a schematic top view of the drag flask of the present invention;

fig. 4 is a schematic side view of the insert block of the present invention.

In the figure: 1. a hoisting ring; 2. a limiting hole; 3. a positioning column; 4. a groove; 5. a cavity; 6. a cope flask; 7. a casting tube; 8. a drag flask; 9. a handle; 10. replacing the strip; 11. inserting a block; 12. and a positioning pin.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 4, the present invention provides an embodiment: the utility model provides a high accuracy mould assembling device is used in casting, including cope flask 6, drag flask 8 and replacement strip 10, cavity 5 has all been seted up to the middle department of cope flask 6 lower terminal surface and drag flask 8 up end, recess 4 has all been seted up to the both sides of cope flask 6 lower terminal surface and drag flask 8 up end, recess 4 is equipped with four altogether, and two recess 4 constitutions that correspond place the chamber, replacement strip 10 with place chamber looks adaptation, the both ends of replacement strip 10 all are fixed with handle 9, and handle 9 is located recess 4, spacing hole 2 has been seted up to the equidistance in recess 4, replacement strip 10 is placed in recess 4, the equal equidistance of the upper and lower both ends face of replacement strip 10 distributes and has reference column 3, and reference column 3 pegs graft in spacing hole 2, the opening part of spacing hole 2 is hourglass hopper-shaped, and spacing hole 2 and reference column 3 looks adaptations.

The upper end face of the cope flask 6 is provided with a casting pipe 7 in a penetrating way, the casting pipe 7 is connected with the cavity 5, two ends of two sides of the cope flask 6 are both fixed with a hanging ring 1, two ends of two sides of the cope flask 6 and the drag flask 8 are both fixed with an insert block 11, a positioning pin 12 is inserted in the insert block 11, the positioning pin 12 is C-shaped, two ends of the positioning pin 12 are respectively inserted in the two corresponding insert blocks 11, the insert block 11 is positioned at one side adjacent to the hanging ring 1, the cope flask 6 is suspended by connecting the hanging rings 1 at four corners through an external instrument, a worker holds a handle 9 to lift up a replacement strip 10, the replacement strip 10 is placed in the grooves 4 at two sides of the drag flask 8, a positioning column 3 at the lower end face of the replacement strip 10 enters the limiting hole 2 to be fixed, the external instrument is started to enable the cope flask 6 to descend, a limiting hole 2 in the groove 4 at the lower end face of the cope flask 6 is inserted with the positioning column 3 at the, The spacing hole 2 on the drag flask 8 is spacing, so that the cope flask 6 and the drag flask 8 are fixed together, the positioning column 3 on the replacement strip 10 is easy to wear in the use process, the replacement strip 10 can be replaced, the accuracy of the flasks is ensured, when the cope flask 6 and the drag flask 8 are connected, the positioning pin 12 is inserted into the corresponding insert 11 for positioning, the connection tightness of the cope flask 6 and the drag flask 8 is increased, and the product is poured in the cavity 5 through the casting pipe 7.

The working principle is as follows: the utility model discloses in operation, the rings 1 is connected to external instrument makes the cope flask 6 hang, handheld handle 9 lifts replacement strip 10, put into the recess 4 of the 8 both sides of drag flask with replacement strip 10, make the reference column 3 of replacement strip 10 lower terminal surface get into spacing downthehole 2 and fix, start external instrument and make the cope flask 6 descend, spacing downthehole 2 and the reference column 3 of replacement strip 10 up end peg graft mutually under the cope flask 6, make cope flask 6 and drag flask 8 fixed, reference column 3 on replacement strip 10 produces wearing and tearing easily in the use, can follow replacement strip 10 and trade, connect when cope flask 6 and drag flask 8, insert locating pin 12 and fix a position in the inserted block 11 that corresponds, carry out pouring of product in to cavity 5 through casting pipe 7. The working principle of the present invention is the above.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (5)

1. The utility model provides a high accuracy mould closer for casting, includes cope flask (6), drag flask (8) and replacement strip (10), its characterized in that: the middle parts of the lower end surface of the upper sand box (6) and the upper end surface of the lower sand box (8) are both provided with cavities (5), both sides of the lower end surface of the cope flask (6) and the upper end surface of the drag flask (8) are provided with grooves (4), the groove (4) is provided with limiting holes (2) at equal intervals, the replacement strip (10) is placed in the groove (4), the upper end surface and the lower end surface of the replacement strip (10) are distributed with positioning columns (3) at equal intervals, the positioning column (3) is inserted in the limiting hole (2), the upper end surface of the upper sand box (6) is provided with a casting pipe (7) in a penetrating way, the casting pipe (7) is connected with the cavity (5), the two ends of the two sides of the upper sand box (6) are both fixed with the hanging rings (1), and the two ends of the two sides of the upper sand box (6) and the lower sand box (8) are respectively fixed with an insert block (11), and a positioning pin (12) is inserted in the insert block (11).

2. The high-precision box closing device for casting according to claim 1, wherein: the grooves (4) are four in number, the two corresponding grooves (4) form a containing cavity, and the replacement strips (10) are matched with the containing cavity.

3. The high-precision box closing device for casting according to claim 1, wherein: the opening of spacing hole (2) is hourglass hopper-shaped, and just spacing hole (2) and reference column (3) looks adaptation.

4. The high-precision box closing device for casting according to claim 1, wherein: both ends of the replacement strip (10) are fixed with handles (9), and the handles (9) are positioned in the grooves (4).

5. The high-precision box closing device for casting according to claim 1, wherein: the positioning pin (12) is C-shaped, two ends of the positioning pin (12) are respectively inserted into the two corresponding insertion blocks (11), and the insertion blocks (11) are located on one adjacent side of the hanging ring (1).

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