CN206335092U - A kind of vertical pattern grouping mould of steel-casting - Google Patents

Abstract

The utility model discloses a kind of vertical pattern grouping mould of steel-casting, belong to metalwork casting field.For process present in prior art is more, cycle length, low productivity ratio, high cost, product quality stability is poor, the low problem of product yield, and the utility model provides a kind of vertical pattern grouping mould of steel-casting and its pattern grouping method.Including base plate, cover plate, base plate and cover plate are fixed by bolt, are constituted to be provided with mold cavity, mold cavity and are poured die piece.Pouring die piece includes die bed block, medium-sized piece, mo(u)ld top half block, it is groove in the middle of described die bed block, surrounding is correspondingly arranged on cast structure, medium-sized piece of middle part is through hole, surrounding is provided with some cast structures, a through hole is provided with each cast structure, mo(u)ld top half block middle setting has through hole, and surrounding is correspondingly arranged on cast structure.It can realize that process is few, the cycle is short, productivity ratio is high, low cost, product quality stable, product yield is high.

Description

A kind of vertical pattern grouping mould of steel-casting

Technical field

A kind of vertical pattern grouping mould of steel-casting of the utility model is related to metalwork casting field, more specifically to one Plant the vertical pattern grouping mould of steel-casting.

Background technology

Tooth covers class wear resistance castings, is small casting steel of the substance between 1-10 kilograms, and prior art is mostly using essence Close casting (lost-wax process) production.Although such a method has that dimensional accuracy is high, specious advantage, but the production cycle is long, Environmental pollution is serious, and high cost, labor strength is big.Hot investment casting (lost-wax process) is to use natural wax material or synthesis wax material, Cast shape is pressed into a mold, tree is then assembled into, and tree is then invaded solid in hanging sand, immersion curing agent after wetting in coating Change, 11-17 roads sand is so hung up repeatedly, casting is bigger, and the hanging sand number of plies is more；Hang shell reach after the number of plies of technological requirement, it is necessary to It will be dewaxed in tree immersion boiling water；Take off and formwork must also be put into after wax electric furnace and toast at high temperature and calcination, to obtain enough Form strength and degree of drying, be subsequently used for cast.Such a technique productions process is various, and curing agent it is general using ammonium chloride as It is main, this solution highly volatile ammonia, severe contamination operating environment.

Existing sand casting typically uses horizontal parting and cast, and one case two pieces or four or eight are small-sized producing Had the following disadvantages during casting：(1) single case low production efficiency, only has tens of kilograms of casting per case；(2) because casting weight is small, Increased frequency is poured into a mould, it is long per Baogang's water duration of pouring to cause molten steel cooling to decline substantially, it is easy to cold shut, water wave occur, pour The defects such as deficiency；(3) need to put into more complicated mould, put into the frocks, fixed investment such as substantial amounts of sandbox and sand mold alignment pin It is larger；(4) due to the reason such as the position gap of die assembly error, sand mold alignment pin is larger, the size essence of sand casting is caused Degree 2-3 grade lower than hot investment casting.

Chinese patent application, application number 201310735518.5, discloses a kind of small-sized at publication date on April 23rd, 2014 The cored-up mould pattern grouping upright casting method of steel-casting, the invention discloses a kind of cored-up mould pattern grouping upright casting side of small casting steel Method, comprises the following steps：(1) casting form for being intended to casting is designed as left and right parting, is placed in left and right template, and template is certainly Band sandbox；(2) during moulding, an aspect sand is covered on apperance surface；(3) floor sand is filled up in left and right sandbox and is compressed real； (4) molding sand is hardened；(5) left and right sand mold is taken out, and carries out inner chamber core and sprue cup；(6) by inner chamber core respectively with it is left, Right sand mold is assembled together to form casting mold, and left and right sand mold is positioned using concavo-convex；(7) multiple casting molds are put into special locking fixture Bunchiness is combined, casting mold is locked and sprue cup is installed；(8) by sprue cup casting molten steel, taking-up casting of being unpacked after cooling is Can.This invention improves production efficiency, reduces labor intensity and production cost.But this programme cast quantity is few, and efficiency is low, and Matching is poor.

The content of the invention

1. the technical problem to be solved

For process present in prior art is more, cycle length, low productivity ratio, high cost, product quality stability is poor, production The low problem of product qualification rate, the utility model provides a kind of vertical pattern grouping mould of steel-casting.It can realize that process is few, the cycle Short, productivity ratio is high, low cost, product quality stable, product yield is high.

2. technical scheme

The purpose of the present invention is achieved through the following technical solutions.

A kind of vertical pattern grouping mould of steel-casting, including base plate, cover plate, base plate and cover plate are fixed by bolt, are constituted It is provided with mold cavity, mold cavity, pours die piece.

Further, described die piece of pouring includes die bed block, medium-sized piece, mo(u)ld top half block, and described die bed block is arranged at The mold cavity bottom, mo(u)ld top half block is arranged at mold cavity top, and some pieces medium-sized piece is arranged between die bed block and mo(u)ld top half block.

Further, it is groove in the middle of described die bed block, surrounding is correspondingly arranged on cast structure, and medium-sized piece of middle part is Through hole, surrounding is provided with some cast structures, and a through hole is provided with each cast structure, and mo(u)ld top half block middle setting has logical Hole, surrounding is correspondingly arranged on cast structure.

Further, described die bed block, medium-sized piece, mo(u)ld top half block be sand mold.The casting grade of tolerance of sand mold typically takes CT8~CT12.Because the Modeling Material used by sand casting is cheap and easy to get, Casting mold manufacturing is easy, single-piece production to casting, into Criticize production and a large amount of productions are adapted to, low cost casts structural features efficient and convenient.Die bed block, medium-sized piece, the tool of mo(u)ld top half block Body cast structure, species is determined according to casting geometry and casting technique.Mould processing uses machining center, it is ensured that mould chi Very little precision reaches CT8~CT12 grades；Design specialized lock core frock, is locked using nut 5.By taking this 3 aggregate measures, protect Card casting appearance and size meets high-precision requirement.

Further, described die bed block, medium-sized piece, mo(u)ld top half block is is provided with several identical casting on each Structure.If setting stem structure, set around middle running channel Central Symmetry, it is ensured that the stabilization and uniformity of whole die cavity.One type is more Part is to be determined according to casting dimension and casting technique per type quantity

Further, described cover plate is square plate, and two ends are provided with flanging, and edge is provided with to be matched with bolt Mounting hole.Steel plate demand surface is smooth, prevents from, because the installation that causes of out-of-flatness is unstable, causing generation in integral cast chamber Tilt, cause error.

Further, described base plate is square plate, and edge is provided with the mounting hole matched with bolt.It is easy to peace Good stability is filled, it is cheap using Q235 steel plate, and good casting property.

Further, described cover plate center of top is provided with sprue cup, and sprue cup is up big and down small truncated conical shape, Middle part is hollow.High temperature resistant, impact resistance, hardness is high, and intensity is good.

Described die bed block, medium-sized piece, mo(u)ld top half block according to demand, away from middle position, the i.e. casting closer to marginal position Structure is made, size is gradually increased in required size, according to the casting feature of different cast members, chooses different increasing coefficients, Increase coefficient between the 0.05%-0.3% of original size basis, the thickness of sand is covered when can also be to casting gradually to be reduced, Coefficient is reduced between the 0.05%-0.3% of original size basis.Since away from middle position, the casting material stream flowed into Enter more slowly, and the pressure being subject to reduces, and progressively amplifies correspondingly-sized, the uniformity of its end face level has been effectively ensured.It is excellent Product rate rises, and excellent ratio can rise more than 20%.

A kind of vertical pattern grouping mould pattern grouping method of steel-casting, comprises the following steps：

First, a type more than one piece die bed block, medium-sized piece, mo(u)ld top half block are made；

2nd, base plate is placed；

3rd, die bed block is placed on base plate；

4th, longitudinal stack places medium-sized piece of multilayer successively；

5th, mo(u)ld top half block is placed in medium-sized piece of top；

6th, cover plate is placed at the top of mo(u)ld top half block；

7th, fastened with bolt；

8th, sprue cup is placed in cover plate top；

9th, pour into a mould, described cast is cast using artificial cast or machine, and The faster the better for poring rate, and meeting running channel can Cast with the most rapid rate of decline；

Further, described die bed block, medium-sized piece, mo(u)ld top half block when installing using concavo-convex positioning.Pellet is using concavo-convex Positioning, position gap is within 0.2 millimeter, it is to avoid use tool locating, tool locating can cause corresponding error, and then introduce Second order error, more increases the error degree of product, and this programme ensures that Product Precision is high.

3. beneficial effect

Compared to prior art, the utility model has the advantage of：

(1) this programme is simple in construction, by special cover plate, mo(u)ld top half block, medium-sized piece, die bed block, Special base plate, screw bolt and nut Connection, Stability Analysis of Structures；

(2) mould structure of this programme, simple operation, process is few, the cycle is short, productivity ratio is high, low cost；

(3) this programme is designed using high-precision sand mold, high precision, wear-resisting, is hardly damaged；

(4) this programme solves the complex operation of conventional moulding cast using one-mold multiple-member structure, and cast quantity is few etc. asks Topic；

(5) there is screw thread outside the sprue cup in this programme center, cover plate open interior has screw thread, and two screw threads match, poured Cup is quick and easy for installation by being threadably mounted on cover plate；

(6) diameter gradually increases the sprue channel open of vertical pouring gate from top to bottom, due to more downward, the inside and outside differential pressure that topping is received Bigger, larger diameter can make it that pressure reduces, and inside and outside differential pressure up and down ensures balance, increase of being cast during topping is downward Smoothly, more preferably, speed is faster, it is ensured that Product Precision and casting efficiency for efficiency.So the groove of die bed block is more than mo(u)ld top half block through hole, Medium-sized piece of through hole from top to bottom gradually increases；When product casts completion, it is also ensured that bottom connection is more abundant, no Easily cause because connector branch is unable to hold out when casting product is taken out in bottom, occur fracture damage product；

(7) die bed block, medium-sized piece, mo(u)ld top half block according to demand, away from middle position, i.e. the casting knot closer to marginal position Structure, size is gradually increased in required size, according to the casting feature of different cast members, chooses different increasing coefficients, increase Coefficient is between the 0.05%-0.3% of original size basis, and the thickness of sand is covered when can also be to casting gradually to be reduced, and is reduced Coefficient is between the 0.05%-0.3% of original size basis.Because away from middle position, the casting material flowed into is flowed into more Slowly, and the pressure that is subject to reduces, progressively amplify correspondingly-sized, the uniformity of its end face level has been effectively ensured.Acceptance rate Rise, excellent ratio can rise more than 20%.

Brief description of the drawings

Fig. 1 is agent structure schematic diagram of the present utility model；

Fig. 2 is agent structure sectional view of the present utility model；

Fig. 3 is die bed block structure schematic diagram；

Fig. 4 is medium-sized block structure schematic diagram；

Fig. 5 is mo(u)ld top half block structure schematic diagram；

Fig. 6 is cover plate planar structure schematic diagram；

Fig. 7 is cover plate side structure schematic diagram；

Fig. 8 is base plate plane structural representation；

Fig. 9 is bottom panel side structural representation；

Figure 10 is sprue cup schematic top plan view；

Figure 11 is sprue cup schematic side view.

Label declaration in figure：

1st, base plate；2nd, die bed block；3rd, medium-sized piece；4th, mo(u)ld top half block；5th, bolt；6th, cover plate；7th, sprue cup.

Embodiment

With reference to Figure of description and specific embodiment, the utility model is described in detail.

Embodiment 1

As shown in figs. 1-11, the vertical pattern grouping mould of a kind of steel-casting, including base plate 1, cover plate 6, base plate 1 and cover plate 6 pass through Bolt 5 is fixed, and constitutes and is provided with mold cavity, mold cavity, pours die piece.

Described die piece of pouring includes die bed block 2, medium-sized piece 3, mo(u)ld top half block 4, and described die bed block 2 is arranged at mold cavity most Bottom, mo(u)ld top half block 4 is arranged at mold cavity top, and some pieces medium-sized piece 3 is arranged between die bed block 2 and mo(u)ld top half block 4.Described It is groove in the middle of die bed block 2, surrounding is correspondingly arranged on cast structure, and medium-sized piece 3 middle part is through hole, and surrounding is provided with some castings A through hole is provided with structure, each cast structure, the middle setting of mo(u)ld top half block 4 has through hole, and surrounding is correspondingly arranged on casting knot Structure.

Described die bed block 2, medium-sized piece 3, mo(u)ld top half block 4 be sand mold.Described die bed block 2, medium-sized piece 3, mo(u)ld top half block 4 be every Several identical casting structures are provided with one.Described cover plate 6 is square plate, and two ends are provided with flanging, edge It is provided with the mounting hole matched with bolt 5.Described base plate 1 is square plate, and edge is provided with the installation matched with bolt 5 Hole.

The described center of top of cover plate 6 is provided with sprue cup 7, during sprue cup 7 is up big and down small truncated conical shape, middle part It is empty.There is screw thread outside the sprue cup 7 in center, the open interior of cover plate 6 has screw thread, and two screw threads match, and sprue cup 7 passes through screw thread It is quick and easy for installation on cover plate 6.

Embodiment 2

Embodiment 2 is substantially the same manner as Example 1, and difference is, the die bed block of formation, medium-sized piece, mo(u)ld top half block serial type Casting model, there is vertical pouring gate centre, and can designing the sprue channel open of vertical pouring gate, diameter gradually increases from top to bottom, due to more Downwards, the inside and outside differential pressure that topping is received is bigger, and larger diameter can make it that pressure reduces, and inside and outside differential pressure up and down ensures flat Weighing apparatus, casting increase is smooth during topping is downward, and more preferably, speed is faster, it is ensured that Product Precision and casting efficiency for efficiency.Such bottom The groove of type block is more than mo(u)ld top half block through hole, and medium-sized piece of through hole from top to bottom gradually increases；When product casts completion, also may be used It is more abundant to ensure bottom connection, it is difficult to be caused by connector branch when casting product is taken out in bottom and is unable to hold out, occurs disconnected Rhegma bad product.

Embodiment 3

Embodiment 3 and embodiment 1 or 2 are essentially identical, and difference is, described die bed block, medium-sized piece, mo(u)ld top half root tuber According to demand, away from middle position, the i.e. cast structure closer to marginal position, size is gradually increased in required size, according to The casting feature of different cast members, chooses different increasing coefficients, 0.05%-0.3% of the increase coefficient in original size basis Between, the thickness of sand is covered when can also be to casting gradually to be reduced, 0.05%-0.3% of the reduction coefficient in original size basis Between.Because away from middle position, the casting material flowed into is flowed into more slowly, and the pressure being subject to reduces, progressively amplification pair Size is answered, the uniformity of its end face level has been effectively ensured.Acceptance rate rises, and excellent ratio can rise more than 20%.

Embodiment 4

A kind of vertical pattern grouping mould pattern grouping method of steel-casting, comprises the following steps：

First, a type more than one piece die bed block 2, medium-sized piece 3, mo(u)ld top half block 4 are made；

2nd, base plate 1 is placed；

3rd, die bed block 2 is placed on base plate 1；

4th, longitudinal stack places multilayer medium-sized piece 3 successively；

5th, mo(u)ld top half block 4 is placed in medium-sized piece 3 top；

6th, cover plate 6 is placed in the top of mo(u)ld top half block 4；

7th, fastened with bolt 5；

8th, sprue cup 7 is placed in the top of cover plate 6；

9th, pour into a mould.

When above-mentioned installation, described die bed block 2, medium-sized piece 3, mo(u)ld top half block 4 when installing using concavo-convex positioning.

This invention takes the method for cored-up mould pattern grouping upright casting, inclusion quantity is poured according to existing, every group of casting mold is rationally determined Casting quantity, every bag pouring molten steel number of times is rationally set, it is ensured that pouring temperature meets pouring procedure requirement, obtains casting quality To effective guarantee, and eliminate a large amount of sandboxes of making, the expense of frock.Due to shortening the production cycle, production effect is improved Rate, reduces labor intensity, every sand mold weight is no more than 12 kilograms, while also reducing production cost.

In summary, small casting steel is processed using this programme, more than one piece small casting steel, process can be gone out with once-cast Less, the cycle is short, productivity ratio is high, low cost, product quality stable, product yield is high.

The above is only the preferred embodiments of the present invention, and the type more than one piece is according to casting dimension and casting technique It is determined that per type quantity.The die bed block, medium-sized piece, mo(u)ld top half block be high-precision sand mold.In summary, it is small-sized using present invention processing Steel-casting, once-cast goes out more than one piece small casting steel, and process is few, the cycle is short, productivity ratio is high, low cost, product quality stable, production Product qualification rate is high.It should be pointed out that to those of ordinary skill in the art, not departing from the premise of the technology of the present invention principle Under, some improvement and deformation can be also made, these are improved and deformation also should be regarded as protection scope of the present invention.

Schematically the invention and embodiments thereof are described above, the description does not have restricted, not In the case of the spirit or essential characteristics of the present invention, the present invention can be realized in other specific forms.Institute in accompanying drawing What is shown is also one of embodiment of the invention, and actual structure is not limited thereto, any attached in claim Icon note should not limit involved claim.So, if one of ordinary skill in the art is enlightened by it, do not departing from In the case of this creation objective, the frame mode similar to the technical scheme and embodiment are designed without creative, all should Belong to the protection domain of this patent.In addition, the word of " comprising " one is not excluded for other elements or step, the word of " one " one before element It is not excluded for including " multiple " element.The multiple element stated in claim to a product can also by an element by software or Person hardware is realized.The first, the second grade word is used for representing title, and is not offered as any specific order.

Claims (8)

1. a kind of vertical pattern grouping mould of steel-casting, it is characterised in that：Including base plate (1), cover plate (6), base plate (1) and cover plate (6) It is fixed by bolt (5), constitutes and be provided with mold cavity, mold cavity, pour die piece.

2. a kind of vertical pattern grouping mould of steel-casting according to claim 1, it is characterised in that：Described die piece of pouring includes Die bed block (2), medium-sized piece (3), mo(u)ld top half block (4), described die bed block (2) are arranged at the mold cavity bottom, and mo(u)ld top half block (4) is set In mold cavity top, some pieces medium-sized piece (3) are arranged between die bed block (2) and mo(u)ld top half block (4).

3. a kind of vertical pattern grouping mould of steel-casting according to claim 2, it is characterised in that：In described die bed block (2) Between be groove, surrounding is correspondingly arranged on cast structure, is through hole in the middle part of medium-sized piece (3), and surrounding is provided with some cast structures, often A through hole is provided with one cast structure, mo(u)ld top half block (4) middle setting has through hole, and surrounding is correspondingly arranged on cast structure.

4. the vertical pattern grouping mould of a kind of steel-casting according to Claims 2 or 3, it is characterised in that：Described die bed block (2), medium-sized piece (3), mo(u)ld top half block (4) are sand mold.

5. a kind of vertical pattern grouping mould of steel-casting according to claim 4, it is characterised in that：Described die bed block (2), in Type block (3), mo(u)ld top half block (4) are to be provided with several identical casting structures on each.

6. a kind of vertical pattern grouping mould of steel-casting according to claim 1, it is characterised in that：Described cover plate (6) is side Shape steel plate, two ends are provided with flanging, and edge is provided with the mounting hole matched with bolt (5).

7. a kind of vertical pattern grouping mould of steel-casting according to claim 1, it is characterised in that：Described base plate (1) is side Shape steel plate, edge is provided with the mounting hole matched with bolt (5).

8. the vertical pattern grouping mould of a kind of steel-casting according to claim 1 or 2 or 6 or 7, it is characterised in that：Described lid Plate (6) center of top is provided with sprue cup (7), and sprue cup (7) is up big and down small truncated conical shape, and middle part is hollow.