CN213256995U

CN213256995U - Steel ingot module with height-diameter ratio larger than 10

Info

Publication number: CN213256995U
Application number: CN202021976859.3U
Authority: CN
Inventors: 雷翠萍
Original assignee: Huangshi Xinxing Pipes Co ltd
Current assignee: Huangshi Xinxing Pipes Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-05-25
Anticipated expiration: 2030-09-11

Abstract

The utility model discloses a steel ingot module that height-diameter ratio is greater than 10, including system core box and molding die, system core die includes the foam core box and lays a plurality of spindle body psammitolites in the foam core box, molding die includes sand box, external mold sand mould, lays a plurality of external mold models in the external mold sand mould and places a plurality of spindle body psammitolites in a plurality of external mold models in corresponding, external mold model and spindle body psammitolite clearance fit, the longitudinal section of each spindle body psammitolite is the rectangle, and the ratio of the long limit length of rectangle and broadside length is greater than 10; the utility model provides a technical scheme includes system mandrel and molding die through the steel ingot module, adopts the system core mould to make the spindle body psammitolite, overlaps the external mold model on the spindle body psammitolite again, then in putting into the sand box of molding die, puts into the sand and makes the external mold sand mould to optimize the system core molding technology of steel ingot mould, take place to warp in avoiding steel ingot mould production process, thereby realize that a case produces many, improve the production efficiency of steel ingot, reduced manufacturing cost.

Description

Steel ingot module with height-diameter ratio larger than 10

Technical Field

The utility model relates to a casting mould improves technical field, in particular to steel ingot module that height-diameter ratio is greater than 10.

Background

At present, for the steel ingot mold with a large height-diameter ratio of more than 10 and a small taper of the ingot body (the taper of the ingot body is less than 1 percent generally), the conventional foam model and resin sand casting process is adopted for mold making in the process of molding and core making, the foam model is easy to deform, so that the produced steel ingot mold is difficult to demould in the process of casting steel ingots, customer complaints are caused, the production efficiency is low, and the delivery cycle of sales orders is seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a steel ingot module that height-diameter ratio is greater than 10 aims at solving the steel ingot mould that current height-diameter ratio is greater than 10 and is very easily produced at molding system core in-process foam model and warp, and the low difficult problem of drawing of patterns of production efficiency.

For realizing above-mentioned purpose, the utility model provides a steel ingot module that height-diameter ratio is greater than 10, including system mandrel and molding die, system mandrel includes foam core box and lays a plurality of spindle psammitolites in the foam core box, molding die includes sand box, external mold sand mould, lays a plurality of external mold models in the external mold sand mould and places a plurality of spindle psammitolites in a plurality of external mold models in corresponding in the external mold sand mould, external mold model and spindle psammitolite clearance fit, the longitudinal section of each spindle psammitolite is the rectangle, and the ratio of the long limit length of rectangle and broadside length is greater than 10.

Preferably, a bottom hole sand core is arranged on the ingot body sand core, and a bottom hole core loose piece matched with the bottom hole sand core is arranged on the outer mold model.

Preferably, the number of the external mold models is 6, correspondingly, the number of the ingot sand cores is 6, and the 6 external mold models and the 6 ingot sand cores are distributed in 2 rows and 3 columns.

Preferably, each outer die model is provided with two upper lifting lugs and two lower lifting lugs on two opposite outer side surfaces in the column direction.

Preferably, the outer die model is convexly provided with two upper mounting bosses and two lower mounting bosses corresponding to the two upper lifting lugs and the two lower lifting lugs, each mounting boss is provided with a mounting hole, and each lifting lug is inserted into the mounting hole.

Preferably, each lifting lug is provided with an inner end extending into the side wall of the outer die model and an outer end exposed out of the outer side surface of the outer die model, the outer end of the lifting lug is provided with a stop table, the inner end of the lifting lug is provided with a boss connected through a contracted stepped section, and a fusion groove 338 is formed between the boss and the stepped section.

The utility model provides an among the technical scheme, including system mandrel and molding die through the steel ingot module, adopt system core molding to make the spindle body psammitolite, overlap outer mold model on the spindle body psammitolite again, later put into the sand box of molding die, put the sand and make the outer mold sand mould to optimize the system core molding technology of steel ingot mould, take place to warp in avoiding steel ingot mould production process, thereby realize that a case produces many, improve the production efficiency of steel ingot, reduced manufacturing cost.

Drawings

To more clearly illustrate the technical solutions of the embodiments or the prior art of the present invention, the embodiments or the prior art will be described below

While the drawings that will be used in this description are briefly described, it is to be understood that the drawings in the following description are merely exemplary of the invention and that other drawings may be obtained by those skilled in the art from the construction shown in these drawings without inventive step.

Fig. 1 is a schematic structural diagram of an embodiment of a core making mold of a steel ingot mold set with a height-diameter ratio greater than 10 according to the present invention;

FIG. 2 is a schematic top view of FIG. 1;

FIG. 3 is a left side schematic view of FIG. 1;

fig. 4 is a schematic structural view of an embodiment of a molding die of a steel ingot die set with a height-diameter ratio greater than 10 according to the present invention;

FIG. 5 is a schematic top view of FIG. 1;

FIG. 6 is a left side schematic view of FIG. 1;

FIG. 7 is a schematic diagram of the phantom of FIG. 1;

FIG. 8 is a top view of FIG. 7;

fig. 9 is a left side view of fig. 7.

The reference numbers illustrate: 1-making a core mould, 11-foaming core box, 2-body core, 21-bottom hole core, 3-moulding mould, 31-sand box, 32-external mould sand mould, 33-external mould model, 331-bottom hole core loose piece, 332-upper lifting lug, 333-lower lifting lug, 334-upper mounting lug, 335-lower mounting lug, 336-stop table, 337-lug and 338-groove 338.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

It should be noted that, if directional indications (such as upper, lower, left, right, front and rear … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indications are changed accordingly.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

The utility model provides a steel ingot module that height-diameter ratio is greater than 10, figure 1 to figure 9 are the utility model provides a steel ingot module's that height-diameter ratio is greater than 10 embodiment's schematic diagram.

Referring to fig. 1 to 6, the ingot mold set with the height-to-diameter ratio of more than 10 includes a core making mold 1 and a molding mold 3, the core making mold 1 includes a foam core box 11 and a plurality of ingot sand cores 2 arranged in the foam core box 11, the molding mold 3 includes a sand box 31, an outer mold sand mold 32, a plurality of outer mold molds 33 arranged in the outer mold sand mold 32, and a plurality of ingot sand cores 2 correspondingly arranged in the plurality of outer mold molds 33, the outer mold 33 and the ingot sand cores 2 are in clearance fit, a longitudinal section of each ingot sand core 2 is rectangular, and a ratio of a long side length of the rectangle to a wide side length of the rectangle is more than 10.

The utility model provides an among the technical scheme, include system mandrel 1 and molding die 3 through the steel ingot module, adopt system mandrel 1 to produce spindle body psammitolite 2, overlap outer mold model 33 again on spindle body psammitolite 2, later put into the sand box 31 of molding die 3, put into sand and make outer mold sand mould 32 to optimize the system core molding technology of steel ingot mould, take place to warp in avoiding steel ingot mould production process, thereby realize that a case produces many, improve the production efficiency of steel ingot, and the production cost is reduced.

In this embodiment, referring to fig. 4 to 6, a bottom hole sand core 21 is disposed on the ingot body sand core 2, and a bottom hole core loose piece 331 matched with the bottom hole sand core 21 is disposed on the outer mold model 33.

In this embodiment, referring to fig. 4 to 6, the number of the external mold models 33 is 6, correspondingly, the number of the ingot sand cores 2 is 6, and the 6 external mold models 33 and the 6 ingot sand cores 2 are distributed in 2 rows and 3 columns.

In this embodiment, referring to fig. 4 to 6, two upper lifting lugs 332 and two lower lifting lugs 333 are disposed on two outer side surfaces of each outer die model 33 in the column direction.

In this embodiment, referring to fig. 7 to 9, two upper mounting bosses 337334 and two lower mounting bosses 337335 are convexly provided on the outer die model 33 corresponding to the two upper lifting lugs 332 and the two lower lifting lugs 333, each mounting boss 337 is provided with a mounting hole, and each lifting lug is inserted into and mounted in the mounting hole.

In this embodiment, referring to fig. 7 to 9, each lifting lug has an inner end extending into a side wall of the outer die model 33 and an outer end exposed from an outer side surface of the outer die model 33, the outer end of the lifting lug is provided with a stop platform 336, the inner end of the lifting lug is provided with a boss 337 connected by a contracted step section, and a fusion groove 338 is formed between the boss 337 and the step section.

The core making and modeling process of the steel ingot module with the height-diameter ratio of more than 10 comprises the following steps:

1) the ingot core box adopts a box of 6 integral foam core boxes 11; when the core is manufactured, the whole core box is placed on the molding platform, the sand outlet of the sand mixer is aligned to one of the ingot body cavities, the first sand core is manufactured, and manual tamping or jolt ramming is adopted in the sand discharging process, so that the strength of the sand core is ensured. And 6 sand cores are manufactured in sequence. And after the core making is finished, taking out the whole core box after the sand core is completely solidified.

2) The external mold adopts a foam solid model, and in order to facilitate the stripping, the inner cavity of the solid model is in clearance fit with the cavity of the core box sand core; and respectively sleeving the manufactured foam models on the manufactured 6 sand cores, putting sand, starting to manufacture an external mold, uniformly putting the sand integrally, and ensuring that the thickness of the sand mold outside each model is consistent until the sand mold is flush with the bottom hole.

3) The bottom hole core is made into a loose piece on the outer mold model 33. And because the taper of the bottom hole is an inverse drawing die, the loose piece of the bottom hole core box is cut and taken out firstly after the bottom hole core is manufactured, and then the whole die is lifted, so that the molding manufacture is finished.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a steel ingot module that height-diameter ratio is greater than 10 which characterized in that: the sand core making mold comprises a core making mold and a molding mold, wherein the core making mold comprises a foam core box and a plurality of spindle sand cores arranged in the foam core box, the molding mold comprises a sand box, an outer mold sand mold, a plurality of outer mold models arranged in the outer mold sand mold and a plurality of spindle sand cores correspondingly arranged in the outer mold models, the outer mold models and the spindle sand cores are in clearance fit, the longitudinal section of each spindle sand core is rectangular, and the ratio of the length of the long side of the rectangle to the length of the wide side of the rectangle is greater than 10.

2. The steel ingot die set of claim 1, wherein the aspect ratio is greater than 10, and the steel ingot die set is characterized in that: and a bottom hole sand core is arranged on the ingot body sand core, and a bottom hole core movable block matched with the bottom hole sand core is arranged on the outer mold model.

3. The steel ingot die set of claim 1, wherein the aspect ratio is greater than 10, and the steel ingot die set is characterized in that: the number of the external mold models is 6, correspondingly, the number of the ingot body sand cores is 6, and the 6 external mold models and the 6 ingot body sand cores are distributed in 2 rows and 3 rows.

4. A steel ingot mould set according to claim 3 having a height-to-diameter ratio greater than 10, characterized in that: two upper lifting lugs and two lower lifting lugs are arranged on two opposite outer side surfaces of each outer die model in the column direction.

5. A steel ingot mould set according to claim 4 having a height-to-diameter ratio greater than 10, characterized in that: the outer die model is convexly provided with two upper mounting bosses and two lower mounting bosses corresponding to the two upper lifting lugs and the two lower lifting lugs, each mounting boss is provided with a mounting hole, and each lifting lug is inserted and installed in the mounting hole.

6. A steel ingot mould set according to claim 5 having a height-to-diameter ratio greater than 10, characterized in that: each lifting lug is provided with an inner end extending into the side wall of the outer die model and an outer end exposed out of the outer side surface of the outer die model, a stop table is arranged at the outer end of each lifting lug, a boss connected through a contracted step section is arranged at the inner end of each lifting lug, and a fusion groove (338) is formed between each boss and each step section.