CN220943115U - Novel horizontal centrifugal roller die - Google Patents

Abstract

The utility model discloses a novel horizontal centrifugal roller die, which belongs to the technical field of roller manufacturing and comprises a bottom box, a top box and a middle cold mold which are positioned at two ends, wherein the bottom box and the top box are formed by combining a plurality of sand boxes, the sand boxes are connected through rabbets, 2 sand hanging grooves are formed in the sand boxes, two sand hanging grooves and a sand hanging seam are formed in a first sand box connected with the cold mold in the bottom box and the top box.

Description

Novel horizontal centrifugal roller die

Technical Field

The utility model belongs to the technical field of roller manufacturing, and particularly relates to a novel horizontal centrifugal roller die.

Background

The mould is an important device in the foundry industry, and the quality of the mould directly influences the quality of castings. The production mode of traditional foundry goods is consuming time and consuming effort, and the cost of labor is high, and because each step all is manual operation, the technological effect can't be unified, and the quality uniformity of foundry goods of production is lower. The metal mold casting method is widely applied due to the advantages of high production efficiency, clean working environment, smooth casting surface, compact internal structure and the like.

When the horizontal centrifugal roller is poured, a sand box mould is required to be used, the sand box mould generally comprises a cold mould in the middle and a top box and a bottom box at two ends, molding sand solidification molding needs to be supported by the sand box, whether molding sand can adhere to the sand box or not is extremely critical, and at the moment, the sand box needs to be fixed by depending on a sand hanging groove, and the design position of the sand hanging groove and the size of the sand hanging groove have great influence on the sand hanging effect.

After the bottom box and the sand box of the top box are turned over and demoulded, the formed molding sand needs to be firmly fixed on the inner wall of the sand box, and the cast waste box is required to be cleaned up, so that the sand hanging firmness of the molding sand is very critical. The sand box connection box that uses at present can only effectively ensure the sand hanging intensity of middle part, and the molding sand that is close to the sand box oral area hangs sand intensity weak relatively, and the sand box is made the back of drawing of patterns, and the oral area is fragile, does not have the sand hanging groove because of the inner wall that is close to the oral area, and the adhesion effect is poor, leads to repairing the sand after easily coming off again, if just increase one more same sand hanging groove at the oral area, hangs sand intensity and can ensure, but after pouring, the waste sand clearance degree of difficulty increases.

How to increase the overall sand hanging intensity of the sand box, and to facilitate the guarantee of easy cleaning of waste sand of the sand box, and not increase the labor intensity of workers while improving the quality of the sand box is an urgent problem to be solved.

Disclosure of utility model

The utility model aims to provide a novel horizontal centrifugal roller die, which not only can increase the overall sand hanging intensity of a sand box, but also can facilitate ensuring that waste sand of the sand box is easy to clean, and the labor intensity of workers is not increased while the quality of the sand box is improved.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

The utility model provides a novel horizontal centrifugal roller mould, is including the bed case that is located both ends, emit case and the cold mould in the middle of, the bed case is formed by a plurality of sand boxes combination with emit the case, and a plurality of sand boxes pass through the tang and connect, its characterized in that: two sand hanging grooves and one sand hanging slit are formed in the sand box, and two sand hanging grooves and one sand hanging slit are formed in the first sand box connected with the cold box in the bottom box and the top box.

The technical scheme of the utility model is further improved as follows: the two sand hanging grooves and the sand hanging slits of the first sand box are arranged in the annular direction inside the sand box, the sand hanging grooves are smooth surfaces, the width is 100+/-2 mm, the depth is 10+/-0.5 mm, the sand hanging slits are rough surfaces, the width is 20+/-1 mm, and the depth is 3+/-0.5 mm.

The technical scheme of the utility model is further improved as follows: the sand hanging seam is arranged at the position of the end, connected with the cold mould, of the first sand box, which is 30mm away from the opening of the iron plane.

The technical scheme of the utility model is further improved as follows: the two sand hanging grooves of the first sand box are respectively 100mm away from the plane mouths of the iron at the two ends of the sand box.

The technical scheme of the utility model is further improved as follows: the sand box also comprises a hoisting handle fixedly connected to the outer side wall surface of the sand box, and the axis of the hoisting handle is perpendicular to the axis of the first sand box.

By adopting the technical scheme, the utility model has the following technical progress:

According to the design of the first sand box of the horizontal centrifugal roller die, the sand hanging strength of the sand box is higher, the mouth part of the sand box is not easy to damage during demolding, even if damage occurs, the damage degree is greatly reduced, the sand box is not easy to fall off again after repair, and the quality of the sand box is obviously improved. Secondly, when improving sand mould string sand intensity, although have two string sand grooves and a string sand seam, owing to string sand seam is shallower, this string sand seam department does not have incomplete sand and remains after pouring out by force, can not cause workman intensity of labour to increase, can reach only promote string sand intensity, does not increase the advantage of workman's clearance string sand seam's amount of labour.

Drawings

FIG. 1 is a schematic view of a first flask of the present utility model;

The sand hanging device comprises a sand hanging device, a sand hanging device and a lifting handle.

Detailed Description

The utility model is further illustrated by the following examples:

As shown in fig. 1, the novel horizontal centrifugal roller die comprises a bottom box, a top box and a middle cold mold, wherein the bottom box, the top box and the top box are arranged at two ends, the bottom box and the top box are respectively formed by combining a plurality of sand boxes, the sand boxes are connected through rabbets, two sand hanging grooves are formed in the sand boxes, and two sand hanging grooves and one sand hanging seam 4 are formed in a first sand box 1 connected with the cold mold in the bottom box and the top box. Namely, the two ends of the cold mold are respectively connected with the first sand box of the bottom box and the top box.

The sand hanging groove and the sand hanging seam 4 of the first sand box are arranged in the annular direction inside the sand box, the first sand hanging groove 2 and the second sand hanging groove 3 are smooth surfaces, the width is 100+/-2 mm, the depth is 10+/-0.5 mm, the sand hanging seam is a rough surface, the width is 20+/-1 mm, and the depth is 3+/-0.5 mm. The two sand hanging grooves of the first sand box are respectively 100mm away from the plane mouths of the iron at the two ends of the sand box.

In a preferred embodiment, the overall height of the first sand box 1 is 700mm, wherein the depth of the spigot of the iron plane is 40mm, the height of the effective sand box is 660mm, the distance between the first sand hanging groove 2 and the mouth of the iron plane at the spigot end is 100mm, the distance between the second sand hanging groove 3 and the mouth of the iron plane at one end of the sand box and the cold mould connection is 100mm, and the sand hanging slit 4 is arranged at the position of 30mm from the mouth of the iron plane at one end of the sand box and the cold mould connection.

The sand box is also provided with a lifting handle 5, the lifting handle 5 is fixedly connected to the outer side wall surface of the sand box 1, and the axis of the lifting handle 5 is perpendicular to the axis of the first sand box 1.

When the roller die is used, the bottom boxes and the top boxes positioned at the two ends of the cold mould are assembled, two sand boxes and three sand boxes are connected on the first sand box according to the requirement, the sand boxes are connected through the seam allowance, and the bottom boxes are connected with the first sand box of the top box and the cold mould.

After the sand box is turned over and demolded, the molded molding sand needs to be firmly fixed on the inner wall of the sand box, the waste box after casting is finished, and the residual sand in the box also needs to be cleaned, so that the sand hanging firmness degree of the molding sand is very critical. The sand box connection box that uses at present is also provided with and hangs the sand groove, its most settings of hanging the sand groove is in the intermediate position of sand box, can only effectively ensure the sand hanging intensity of intermediate position, the molding sand that is close to the sand box oral area hangs sand intensity weak relatively, first sand box needs to be connected with the cold mould of roll mould intermediate part, after the sand box is built the drawing of patterns, first sand box and cold mould junction's oral area is fragile, because of the inner wall that is close to the oral area does not have the sand groove that hangs, the adhesion effect is poor, result in the sand after repairing to drop once more easily, if just increase one same sand groove that hangs more at the oral area, hang sand intensity although can ensure, after the pouring, the waste sand clearance degree of difficulty increases.

According to the first sand box designed by the application, the sand hanging strength of the sand mould is higher, the mouth part of the sand mould of the sand box is not easy to damage during demoulding, even if the mouth part of the sand mould of the sand box is damaged, the damage degree is greatly reduced, the sand mould is not easy to fall off again after repairing, and the quality of the sand mould is obviously improved. Secondly, when the sand mold sand-hanging intensity is improved, although the number of sand-hanging grooves is increased, as the sand-hanging seams are shallower, no residual sand remains at the sand-hanging seams after automatic shakeout is poured, the labor intensity of workers is not increased, the sand-hanging intensity can be only improved, and the labor amount of the workers for cleaning the sand-hanging seams is not increased.

The design of the novel horizontal centrifugal roller die has the advantages that:

The mass aspect is as follows:

The sand box sand mold has higher sand hanging strength, the mouth part of the sand box sand mold is not easy to damage during demolding, even if damage occurs, the damage degree is greatly reduced, and the sand mold quality is improved.

Labor efficiency and labor intensity:

The demolding damage rate of the sand box sand mold is reduced by at least 50%, and the manual reworking and repairing are reduced. The original repair damage sand box is more than 0.5 man hour per day, the repair causes the time delay of the procedure operation to be more than 0.5 hour, the improvement of the production efficiency is seriously restricted, the damage rate of the sand box is reduced, the reworking repair man hour is reduced, the time delay of the procedure operation is reduced, and the overall production efficiency of the modeling procedure is improved. Reducing reworking and repairing, reducing labor intensity and improving work efficiency by 200%.

Claims (6)

1. The utility model provides a novel horizontal centrifugal roller mould, is including the bed case that is located both ends, emit case and the cold mould in the middle of, the bed case is formed by a plurality of sand boxes combination with emit the case, and a plurality of sand boxes pass through the tang and connect, its characterized in that: two sand hanging grooves are formed in the sand box, and two sand hanging grooves and one sand hanging slit (4) are formed in the first sand box (1) connected with the cold box in the bottom box and the top box.

2. The novel horizontal centrifugal roller die according to claim 1, wherein: two sand hanging grooves and sand hanging slits (4) of the first sand box are arranged in the sand box in a circumferential direction, the sand hanging grooves are smooth surfaces, the width is 100+/-2 mm, and the depth is 10+/-0.5 mm.

3. The novel horizontal centrifugal roller die according to claim 2, wherein: the sand-hanging seam (4) is a rough surface, the width is 20+/-1 mm, and the depth is 3+/-0.5 mm.

4. The novel horizontal centrifugal roller die according to claim 2, wherein: the sand hanging seam (4) is arranged at the position, which is 30mm away from the mouth part of the iron plane, of one end, connected with the first sand box and the cold mould.

5. The novel horizontal centrifugal roller die according to claim 1, wherein: the two sand hanging grooves of the first sand box are respectively 100mm away from the plane mouths of the iron at the two ends of the sand box.

6. The novel horizontal centrifugal roller die according to claim 1, wherein: the sand boxes further comprise lifting handles (5) fixedly connected to the outer side wall surfaces of the sand boxes (1), and the axes of the lifting handles (5) are perpendicular to the axes of the first sand boxes (1).