CN210648403U - One-type two-mold die of flat steel ingot mold - Google Patents

Abstract

The utility model discloses a one-type two-die of a flat steel ingot die, which comprises two long core boxes, two long outer dies matched with the two core boxes, a bottom box for accommodating the two core boxes and a template for installing the two outer dies, wherein a core box side loose piece is arranged in the inner cavity of each core box along the length direction of the inner cavity, and the core box side loose piece enables the core box to have two states of a short core box and a long core box by putting in or taking out the inner cavity of the core box; the short side outer side of each outer mold corresponding to the core box side loose piece is provided with an outer mold side loose piece, the outer mold side loose piece is connected or detached to the short side outer side of the outer mold, so that the outer mold has two states of a long outer mold and a short outer mold, wherein the two core boxes and the two outer molds can be combined into a model mold with one long specification and one short specification, two long specifications or two short specifications; the utility model provides a technical scheme has solved two kinds of specifications plan quantity problem that mismatch, production efficiency are low well, has improved the production efficiency of flat steel ingot mould foundry goods, has reduced manufacturing cost.

Description

One-type two-mold die of flat steel ingot mold

Technical Field

The utility model relates to a casting mould improves technical field, in particular to two moulds of a type of flat steel ingot mould.

Background

At present, the steel plates are moved by manual conveying or mechanical equipment transferring, and the steel plates are conveyed manually, so that the weight of the steel plates is required to meet the requirements that certain flat steel ingot moulds have the characteristics that the sizes in the long side direction are only inconsistent, and the sizes of the rest flat steel ingot moulds, such as the height, the short side, the wall thickness, the bottom thickness and the like, are the same, such as a 660 × 160 flat steel ingot mould and a 560 × 160 flat steel ingot mould of a long-line product of a certain steel mill. For the flat steel ingot mould with the length-width ratio larger than 2, because the drawing slope is small and the mould is not easy to demould, the solid model is made of foam plates, and the foam plates are easy to deform in the moulding process, so that the inner cavity of the short side is locally sunken, and cast steel ingots cannot be demoulded to cause customer complaints; the single-piece production is carried out by using the wood core box and the wood external mold, the production efficiency is low, the sand-iron ratio is high, the cost is high, and the profit margin is greatly reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a two mould moulds of a type of flat steel ingot mould, aim at solving the production efficiency that current wooden core box + wooden external mold carries out the singleton production low, with high costs, and the problem of the difficult drawing of patterns of foam board material solid model easy deformation.

In order to achieve the purpose, the utility model provides a one-type two-die of a flat steel ingot die, which comprises two long core boxes, two long outer dies matched with the two core boxes, a bottom box for accommodating the two core boxes and a template for installing the two outer dies, wherein a core box side loose piece is arranged in the inner cavity of each core box along the length direction of the inner cavity, and the core box side loose piece enables the core box to have two states of a short core box and a long core box by putting in or taking out the inner cavity of the core box; the short side outer side of each outer die corresponding to the core box side loose piece is provided with an outer die side loose piece, the outer die side loose piece is connected or detached to the short side outer side of the outer die, so that the outer die has two states of a long outer die and a short outer die, wherein the two core boxes and the two outer dies can be combined into a model die with one long and one short specification, two long specifications or two short specifications.

Preferably, the template is provided with a sprue, an ingate and a cross gate, wherein the sprue, the cross gate and the cross gate are arranged opposite to the outer die side loose piece, the cross gate is communicated with the sprue and the ingate, the ingate is communicated with an inner cavity of the outer die, and the sprue is communicated with a pouring cup of the bottom pouring type pouring system.

Preferably, the top of the outer mold is provided with a bottom thickness and a mold bottom hole, and the mold bottom hole is used for forming a steel ingot casting when the flat steel ingot mold is poured.

Preferably, two trunnion loose pieces which are detachably connected are correspondingly arranged on the outer sides of two short sides of each outer die.

Preferably, the template is provided with a plurality of positioning pins, the bottom box of the core box is provided with a plurality of positioning holes in a matching manner, and the positioning pins and the positioning holes are matched to fix the core box and the outer die so as to combine the core box and the outer die into a whole in a matching manner.

The utility model provides an among the technical scheme, have two kinds of states of short core box and long core box through the core box to and the external mold has two kinds of states of long external mold and short external mold, two core boxes and two external molds can make up and realize one type two moulds for the model mould of a long and a short specification, two long specifications or 2 short specifications, both can realize making the model preparation of a long and a short specification simultaneously, can realize making the model preparation of two long specifications or two short specifications simultaneously again, thereby solved two kinds of specifications plan quantity mismatch, problem that production efficiency is low well, the model non-deformable of simultaneous production, and easy drawing of patterns. The one-type two-die for manufacturing the casting has high production efficiency and low cost, improves the production efficiency of the flat steel ingot die casting and reduces the production cost.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic view of a long gauge ingot mold;

FIG. 2 is a schematic view of the construction of a short gauge ingot mold;

FIG. 3 is a schematic structural diagram of a core box of a one-type two-mold die of a slab ingot mold according to the present invention;

FIG. 4 is a schematic structural view of the outer mold of a two-mold one-type mold of a slab ingot mold according to the present invention;

FIG. 5 is a schematic diagram of an embodiment of the long and short core box assembly of FIG. 3;

FIG. 6 is a schematic structural view of one embodiment of the one long and one short overmold assembly of FIG. 4;

FIG. 7 is a schematic structural view of an embodiment of the long and short core box and outer die assembly of FIGS. 5 and 6;

FIG. 8 is a schematic structural view of another embodiment of the assembly of two short core boxes of FIG. 3;

FIG. 9 is a schematic structural view of another embodiment of the assembly of two short overmold dies of FIG. 4;

FIG. 10 is a schematic structural view of another embodiment of the two short core box and overmold assemblies of FIGS. 8 and 9;

FIG. 11 is a schematic view of a further embodiment of the assembly of two long core boxes of FIG. 3;

FIG. 12 is a schematic structural view of another embodiment of the assembly of two long overmold dies of FIG. 4;

FIG. 13 is a schematic structural view of a further embodiment of the two long core box and overmold assemblies of FIGS. 11 and 12;

FIG. 14 is a schematic structural view of the combined fabrication of the core box and the outer mold of the slab mold.

The reference numbers illustrate: 1-core box, 2-outer mold, 3-bottom box, 4-shaping plate, 5-core box side loose piece, 6-outer mold side loose piece, 7-sprue, 8-ingate, 9-cross sprue, 10-outer mold bottom hole, 10 a-short outer mold bottom hole, 10 b-long outer mold bottom hole, 11-bottom thickness, 12-trunnion loose piece, 13-positioning hole and 14-positioning pin.

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 two moulds of a type of flat steel ingot mould, flat steel ingot mould include core box 1, with supporting external mold 2 of core box 1, short core box bottom loose piece 10a and gudgeon loose piece 13, the interior bottom surface of core box 1 is located to short core box bottom loose piece 10a, gudgeon loose piece 13 is located two minor face outsides of external mold 2, figure 1 is the schematic structure of the flat steel ingot mould of long specification, figure 2 is the schematic structure of the flat steel ingot mould of short specification, and figure 3 to figure 14 are the utility model provides a schematic diagram of the two moulds of a type of flat steel ingot mould's embodiment.

Referring to fig. 3 to 14, the one-type two-mold die of the slab mold comprises two long core boxes 1, two long outer molds 2 matched with the two core boxes 1, a bottom box 3 for accommodating the two core boxes 1 and a template 4 for mounting the two outer molds 2, wherein a core box side loose piece 5 is arranged in the inner cavity of each core box 1 along the length direction of the inner cavity, and the core box side loose piece 5 enables the core box 1 to have two states of a short core box 1 and a long core box 1 by putting in or taking out the inner cavity of the core box 1; the outer sides of the short sides of the outer dies 2 corresponding to the core box side loose pieces 5 are provided with outer die side loose pieces 6, the outer die side loose pieces 6 are connected or detached to the outer sides of the short sides of the outer dies 2, so that the outer dies 2 have two states of long outer dies 2 and short outer dies 2, wherein the two core boxes 1 and the two outer dies 2 can be combined into a model die with a long specification, a short specification, a two-piece long specification or a two-piece short specification.

The utility model provides an among the technical scheme, have two kinds of states of short core box 1 and long core box 1 through core box 1 to and external mold 2 has two kinds of states of long external mold 2 and short external mold 2, two core box 1 and two external molds 2 can make up to realize one type two moulds for the model mould of a long and a short specification, two long specifications or 2 short specifications, both can realize making the model preparation of a long and a short specification simultaneously, can realize making the model preparation of two long specifications or two short specifications simultaneously again, thereby solved two kinds of specifications plan quantity mismatch, problem that production efficiency is low well, the model non-deformable of preparation simultaneously, and easy drawing of patterns. The one-type two-die for manufacturing the casting has high production efficiency and low cost, improves the production efficiency of the flat steel ingot die casting and reduces the production cost.

In this embodiment, referring to fig. 4, 6, 9 and 12, a sprue 8 and an ingate which are arranged opposite to the outer mold side loose piece 6 and a runner 9 which connects the sprue 8 and the ingate are arranged on the shaping plate 4, the ingate is communicated with an inner cavity of the outer mold 2, and the sprue 8 is communicated with a pouring cup of a bottom pouring type pouring system.

In this embodiment, referring to fig. 3, 5, 8 and 11, the top of the outer mold 2 is provided with a bottom thickness 11 and a mold bottom hole 10, and the mold bottom hole 10 includes a short outer mold bottom hole 10a and a long outer mold bottom hole 10b, and the mold bottom hole 10 is used for forming a steel ingot casting during the slab ingot mold pouring, referring to fig. 14.

In this embodiment, referring to fig. 7, fig. 10 and fig. 13, two trunnion loose pieces 12 detachably connected are correspondingly arranged on the outer sides of two short sides of each external mold 2, and the two trunnion loose pieces 12 facilitate the hoisting of the slab ingot mold casting.

In this embodiment, referring to fig. 3, 4, 7, 10 and 13, a plurality of positioning pins 14 are disposed on the shaping plate 4, a plurality of positioning holes 13 are disposed on the bottom case 3 of the core box 1 in a matching manner, and the positioning pins 14 and the positioning holes 13 are matched to fix the core box 1 and the outer mold 2, so as to combine the core box 1 and the outer mold 2 into a whole in a matching manner.

The casting process of the one-type two-mold die of the flat steel ingot mold takes flat steel ingot molds with two specifications of 660x160 and 560x160, namely one long mold and one short mold as an example, and comprises the following process steps:

(1) the shrinkage and the processing amount of the casting are uniformly set as follows: and (3) placing the shrinkage of 0.8% on the basis of the part drawing, and machining allowance of 3mm on the lower end face and 10mm on the upper end face.

(2) Manufacturing a core box: the core box is made of split wooden core boxes, the size of the core box is made according to a large-specification 660x160 flat steel ingot mould, 2 loose blocks of the core box are matched to realize the large and small specifications, 1 piece of the core box can be made at the same time, and 2 pieces of the core box can be made with 660x160 specifications and 2 pieces of the core box with 560x160 specifications at the same time; the shape, structure and size of the inner cavity of the core box are completely the same as those of the inner cavity of a large-specification 660x160 flat steel ingot die casting; the loose piece is manufactured by adopting a numerical control cutting mode to carry out blanking, so that the size of the inner cavity of the small-size 560x160 flat steel ingot die casting is ensured.

(3) And (3) manufacturing an external mold: a wood outer die is adopted, the size of the outer die is made according to the size of 560x160 pieces with small specification, 2 outer die movable blocks are matched to realize the size specification, 1 piece can be made simultaneously, and 2 pieces with 660x160 specification and 2 pieces with 560x160 specification can be made simultaneously. The outer mold has the shape and the size completely the same as those of an outer cavity of a small-specification 560x160 flat steel ingot mold casting; the loose piece is manufactured by utilizing a foam plate in a numerical control cutting mode, so that the size of an outer cavity of a large-specification 660x160 flat steel ingot die casting is ensured.

(4) The outer die is required to be provided with a template which is firmly supported by two layers of formed composite wood plates and rectangular steel, the template is provided with 3 positioning pins, and the bottom of the core box is provided with 3 positioning holes in a matching manner.

(5) A bottom pouring type pouring system is adopted, a sprue, an ingate and a cross runner are directly formed in a template, the sprue is communicated with the sprue and the ingate, the ingate is communicated with an inner cavity of the outer mold, and the sprue is communicated with a pouring cup of the bottom pouring type pouring system.

(6) The integral casting type trunnion model is made of foam plates into an integral model and a trunnion loose piece.

(7) The core box bottom loose piece utilizes a foam board to manufacture a special core box 2 pair;

(8) strictly controlling the sand-iron ratio to reduce the cost, manufacturing a special primary type 2 mould sand box set, adopting low carbon, low silicon and low manganese as components, adopting a pearlite matrix as a metallographic structure, and controlling the pouring temperature to be 1280-1300 ℃.

The specific manufacturing process of the one-type two-mold die of the flat steel ingot mold comprises the following steps:

placing the core box and the movable blocks on the outer die in advance according to a planned condition, placing the core box on the bottom box, and ensuring that the core box is fixed on the bottom box; putting sand to punch out the whole sand core; another sand core is punched, and the core box is removed after the sand cores on the two sides are completely solidified; placing a template with an outer mold stably, sleeving a special sand box to ensure that the sand consumption on the periphery is uniform, starting to manufacture the outer mold, placing a foam plate at the bottom hole of the mold on the top of the outer mold when the bottom thickness position is manufactured, beating the bottom hole and a cover box together, arranging 3 risers which are integrated with slag discharging, feeding and exhausting and are arranged at symmetrical positions at the far end and the middle part of a long edge of an ingate, and setting the outer diameter of each riser to be 20mm away from the outer wall of the bottom of the steel ingot mold; taking out the foam board at the bottom hole of the mold after the sand mold is completely cured; the size of the sand core is checked by using a special clamping plate and a guiding ruler, and the using position of the clamping plate is noticed. And then uniformly coating the paint to prepare for mould assembling. And the box pressing is carried out by adopting a (quantitative box pressing iron + welding reinforcing steel bars on the outer wall of the sand box + box upper clamp) triple method.

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 (5)

1. A two mould of a type of flat ingot mould which characterized in that: the core box comprises two elongated core boxes, two elongated outer dies matched with the two core boxes, a bottom box for containing the two core boxes and a template for installing the two outer dies, wherein a core box side loose piece is arranged in the inner cavity of each core box along the length direction of the inner cavity, and the core box side loose piece is placed into or taken out of the inner cavity of the core box, so that the core box has two states of a short core box and a long core box; the short side outer side of each outer die corresponding to the core box side loose piece is provided with an outer die side loose piece, the outer die side loose piece is connected or detached to the short side outer side of the outer die, so that the outer die has two states of a long outer die and a short outer die, wherein the two core boxes and the two outer dies can be combined into a model die with one long and one short specification, two long specifications or two short specifications.

2. A one-type two-die mold for a flat ingot die according to claim 1, characterized in that: the mould plate is provided with a sprue, an ingate and a cross gate, wherein the sprue, the ingate and the cross gate are arranged opposite to the movable block at the side of the outer die, the cross gate is communicated with the sprue and the ingate, the ingate is communicated with an inner cavity of the outer die, and the sprue is communicated with a sprue cup of the bottom pouring type pouring system.

3. A one-type two-die mold for a flat ingot die according to claim 1, characterized in that: and the top of the outer mold is provided with a bottom thickness and a mold bottom hole, and the mold bottom hole is used for forming a steel ingot casting when the flat steel ingot mold is poured.

4. A one-type two-die mold for a flat ingot die according to claim 1, characterized in that: two trunnion loose pieces which are detachably connected are correspondingly arranged on the outer sides of two short edges of each outer die.

5. A two-mould one-part mould according to any one of claims 1 to 4, characterised in that: the core box is characterized in that a plurality of positioning pins are arranged on the template, a plurality of positioning holes are formed in the bottom box of the core box in a matched mode, and the plurality of positioning pins and the plurality of positioning holes are matched and fixed with the core box and the outer die so that the core box and the outer die are combined into a whole in a matched mode.

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