CN216966259U - A annotate pipe and casting structure in dysmorphism that is used for eight balance methods - Google Patents

Abstract

The utility model provides a special-shaped central casting pipe for an eight-bit wobble plate method, which comprises the following steps: the middle part of the pipe body is provided with a middle injection hole; the base is arranged at the lower end of the pipe body and is correspondingly placed on the bottom plate so as to pour molten steel into the ingot mould through the bottom plate; the periphery of the base is provided with a plurality of pressing blocks which are uniformly distributed in the circumferential direction of the base and used for pressing brick joints of the direct current bricks on the bottom plate. Because the pressing block is fixed on the base of the central injection pipe, in the process of eight-position tray arrangement, the pressing block does not need to be additionally added to compress the brick joints of the direct-current bricks, the time for mold arrangement can be reduced, and the yield is increased; the pouring pipe compresses tightly through the dysmorphism, can reduce by a wide margin and reduce the risk of running the steel, satisfies the implementation of eight balance methods, has improved casting efficiency.

Description

A annotate pipe and casting structure in dysmorphism that is used for eight balance methods

Technical Field

The utility model belongs to the technical field of die casting tool development, and particularly relates to a special-shaped middle injection pipe and a casting structure for an eight-position swing disc method.

Background

The 3T ingot type is the most common ingot type in the 70T die casting down-casting method, the 70T die casting 3T ingot mould is usually arranged into 4 disks or 3 disks, the number of the swinging disks from the first disk to the fourth disk is 6664 in sequence if the 4 disks are swung, and the number of the swinging disks from the first disk to the third disk is 886 in sequence if the 3 disks are swung. The 3T ingot mould six-position swinging method is to swing 6 ingot moulds on a six-position bottom plate, the 3T ingot mould eight-position swinging method is to swing 8 ingot moulds on an eight-position bottom plate, and the six-position swinging method and the eight-position swinging method have certain defects and shortcomings. When the tray is swung by the eight-position tray swinging method, a middle pouring pipe is placed in the center of a bottom plate, eight steel ingot molds are respectively placed at the rising holes of eight direct-current tail bricks around the bottom plate, and when the tray is swung by the eight-position tray swinging method, the defects that direct-current brick joints are arranged on four oblique soup ways on the bottom plate and are not pressed by the bottom of the middle pouring pipe or the steel ingot molds are large, steel running is likely to occur at the joints of the direct-current bricks in the steel pouring process, and even two adjacent direct-current bricks at the joints are tilted in grooves of the bottom plate.

Therefore, there is a need to provide an improved solution to the above-mentioned deficiencies of the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provides a special-shaped middle pouring pipe and an eight-position balance casting structure.

In order to achieve the above purpose, the utility model provides the following technical scheme:

a dysmorphism center pouring pipe for eight position balance method includes:

the middle part of the pipe body is provided with a middle injection hole;

the base is arranged at the lower end of the pipe body and is correspondingly placed on the bottom plate so as to pour molten steel into the ingot mould through the direct current bricks on the bottom plate;

the periphery of base is equipped with a plurality of briquetting, the briquetting is in the circumference equipartition of base is used for compressing tightly the brickwork joint of direct current brick.

Preferably, the upper end of the pipe body is provided with a trumpet-shaped guide nozzle corresponding to the middle injection hole.

Preferably, the outer wall of the pipe body is provided with two symmetrically distributed lifting lugs.

Preferably, the base is of a conical configuration.

Preferably, a plurality of injection pipe bricks are sleeved inside the middle injection hole and are sequentially connected along the axial direction of the middle injection hole.

Preferably, the body and the base are integrally formed as a cast part.

Preferably, the base is a circular plate, and the number of the pressing blocks in the circumferential direction is four, so as to press the direct current bricks corresponding to the ingot molds at the four corners of the bottom plate.

A casting structure for an eight-position wobble plate process, comprising:

the device comprises a base plate, a plurality of positioning stations and a plurality of positioning units, wherein the base plate is provided with nine stations distributed in an array manner, and one station positioned in the center is a central pit station and is used for arranging a central pit; the other eight stations are placing stations for placing the ingot mold, and brick grooves correspondingly communicated with the placing stations are arranged in the circumferential direction of the central pit;

the plurality of the direct-flow bricks are arranged along the brick grooves so as to communicate the central pit with the placing station;

the ingot mould is correspondingly placed at a placing station, and a mould bottom hole of the ingot mould is aligned with a lifting hole of the direct current brick at the tail part of the brick groove;

and the base of the special-shaped central injection pipe is placed on the bottom plate, and a plurality of pressing blocks on the periphery of the base correspond to the brick grooves so as to tightly press the brick joints of the direct current bricks between the central pit and the ingot mold.

Preferably, the base is a circular plate body, and four pressing blocks are arranged on the periphery of the base so as to press the direct current bricks corresponding to the ingot moulds positioned at the four corners of the bottom plate;

the peripheral surface of the base is tangent to the outer walls of the four ingot moulds at the non-edge positions.

Preferably, the central hole is concentrically arranged with the central pit, a plurality of injection pipe bricks are sleeved inside the central hole, and the plurality of injection pipe bricks are sequentially connected along the axial direction of the central hole.

Has the advantages that: because the pressing block is fixed on the base of the middle injection pipe, in the process of eight-position tray arrangement, the pressing block is not required to be additionally added to compress the brick joints of the direct current bricks, so that the die setting time can be reduced, and the yield is increased; the special-shaped middle pouring pipe is used for compressing the brick joints, so that the steel running risk can be greatly reduced, the implementation of an eight-position balance method is met, and the casting efficiency is improved; the special-shaped middle injection pipe can effectively advance an 886 swinging disc mode of 70T die casting, thereby reducing the swinging disc number of each furnace of 70T die casting, reducing the swinging disc number of each furnace steel and reducing the consumption of runner bricks.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. Wherein:

FIG. 1 is a schematic top view of a shaped center tube according to an embodiment of the present invention;

FIG. 2 is a schematic sectional view taken at A-A in FIG. 1;

FIG. 3 is a schematic top view of a base plate in accordance with an embodiment of the present invention;

FIG. 4 is a schematic view of a bottom plate with eight ingot molds in the embodiment of the present invention;

FIG. 5 is a schematic view showing the arrangement of an ingot mold when eight compacts are mounted on a base according to an embodiment of the present invention.

In the figure: 1. a base; 2. briquetting; 3. a pipe body; 4. lifting lugs; 5. a middle injection hole; 6. a base plate; 7. brick grooves; 8. a central pit; 9. an ingot mould.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present invention.

In the description of the present invention, the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are for convenience of description of the present invention only and do not require that the present invention must be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" used herein should be interpreted broadly, and may include, for example, a fixed connection or a detachable connection; they may be directly connected or indirectly connected through intermediate members, and specific meanings of the above terms will be understood by those skilled in the art as appropriate.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

As shown in figures 1-5, the special-shaped pouring pipe for the eight-position tilting pan method comprises a pipe body 3 and a base 1, wherein a middle pouring hole 5 is formed in the middle of the pipe body 3 and is used for guiding molten steel into a bottom plate 6 for casting; the base 1 is arranged at the lower end of the pipe body 3 and is correspondingly placed on the bottom plate 6 so as to pour molten steel into the ingot mould 9 through the bottom plate 6; the periphery of base 1 is equipped with a plurality of briquetting 2, briquetting 2 is in the circumference equipartition of base 1 for compress tightly the brickwork joint of the direct current brick on the bottom plate 6, in this embodiment, because base 1 and briquetting 2 are linked together, when carrying out eight balance, as long as to the dysmorphism in the notes pipe to place behind facing at bottom plate 6 center can, need not additionally seal the gap between the direct current brick in each brick groove 7 to four, can reduce pendulum mould time. The practical production records show that the special-shaped pouring pipe can reduce the mold swinging time by 0.5 h/set, save about 35h all the year, and can increase the mold swinging time by 12 sets according to 3 h/set, and increase the mold cast steel yield by about 70t 12 t 840 t. If a furnace of steel needs to be cast for 22, if a six-position bottom plate 6 and a six-position swinging plate are used, 4 plates need to be swung (the first 3 plates use the six-position bottom plate 6 to swing 6 ingot moulds 9, and the rest 4 ingot moulds 9 are swung on the 4 th plate), if an eight-position bottom plate 6 and an eight-position swinging plate are used, only 3 plates need to be swung, the first 2 plates use the eight-position bottom plate 6 to swing 8, and the rest 6 plates are swung again. Compared with the six-position swinging plate method, the eight-position swinging plate method can swing 2 ingot moulds 9 more for one plate, and the number of the swinging plates of one furnace of steel is changed from 4 plates to 3 plates, so that the total number of the swinging plates of one furnace of steel can be reduced.

Compared with a six-position swinging plate method, the steel-flow brick which can save one furnace of steel is as follows: 15 blocks of injection pipe bricks, 1 block of funnel bricks and 1 block of center bricks are 17 blocks of runner bricks, and 70 sets of calculation are carried out every year, so 1190 blocks of runner bricks can be saved every year.

In another alternative embodiment, the upper end of the tubular body 3 is provided with a flared nozzle corresponding to the central orifice 5, where a funnel brick can be placed. The outer wall of body 3 is equipped with two symmetric distribution's lug 4, and the accessible crane removes and hoists body 3 during the use, has reduced constructor's intensity of labour.

In another optional embodiment, a tapered connection transition portion is arranged between the bottom of the tube body 3 and the base 1, or the base 1 is of a tapered structure, so that the connection strength between the base 1 and the tube body 3 can be effectively enhanced.

In another alternative embodiment, a plurality of injection pipe bricks are sleeved inside the injection hole 5 and sequentially connected along the axial direction of the injection hole 5, so as to form a flow guide channel for guiding molten steel, wherein the pipe body 3 and the base 1 are integrally formed casting parts.

In another optional embodiment, the base 1 is a circular plate, eight pressing blocks 2 are arranged on the circumference of the base, and the eight pressing blocks 2 respectively correspond to each ingot mold 9 so as to seal direct-current brick seams on each brick groove 7; for example: set up eight briquetting 2 on the basis of the centre note pipe that the base diameter is 900mm, in carrying out eight balance, use base diameter 900mm dysmorphism centre note pipe balance back, the distance of the ingot mould 9 of putting on the base distance bottom plate 6 four angles of centre note pipe base is 590 mm. Eight convex pressing blocks 2 are arranged at the bottom of the 900mm special-shaped middle injection pipe, the radial length of the middle injection pipe is 560mm, and the distances of 560mm are increased in four oblique soup channel directions at the bottom of the middle injection pipe with the bottom diameter of 900mm, and four directions, namely the upper direction, the lower direction, the left direction and the right direction. 8 bulges at the bottom of the 900mm special-shaped middle injection pipe can be well pressed on brick joints of the direct current bricks, so that the sealing effect can be achieved, and the steel running risk can be reduced. Or the lengths of the pressing blocks 2 corresponding to the four oblique soup channel directions are 590mm, and the lengths of the other four pressing blocks 2 are 560 mm.

In some embodiments, four pressing blocks 2 are arranged on the periphery of the base 1 so as to press the direct current bricks corresponding to the ingot molds 9 positioned at the four corners of the bottom plate 6, and the rest ingot molds 9 are tangent to the outer peripheral surface of the base 1; when the eight-position swinging method is used for placing the ingot moulds 9, the eight ingot moulds 9 are distributed around the central pit 8 in a rectangular shape, the centers of the rectangles corresponding to the eight ingot moulds 9 coincide with the circle center of the central pit 8, and at the moment, the direct-current bricks of the ingot moulds 9 at non-edge positions are longitudinally compressed through the base 1 so as to realize sealing.

For example, in the 3T ingot mold 9 eight-position swinging plate method, after a special-shaped middle pouring tube swinging plate with the bottom diameter of 1260mm is used, the distance between the base of the middle pouring tube and the ingot mold 9 arranged at the four corners of the bottom plate 6 is 410 mm. The base of the special-shaped middle injection pipe is provided with four bulges, the distance of 360mm is increased in the direction of four oblique soup ways of the base, and the length of the base can be well pressed on the brick joints of the direct current bricks to play a role in sealing so as to reduce the risk of steel running.

An eight-position wobble plate casting structure comprising:

the base plate 6 is provided with nine stations distributed in an array manner, wherein one station positioned at the center is a central pit 8 station and is used for arranging the central pit 8; the other eight stations are placing stations for placing an ingot mold 9, and brick grooves 7 correspondingly communicated with the placing stations are arranged in the circumferential direction of the central pit 8;

the direct-current bricks are arranged along the brick grooves 7 so as to be communicated with the central pit 8 and the placing station;

the ingot mould 9 is correspondingly placed at the placing station, and a mould bottom hole of the ingot mould 9 is aligned with a lifting hole of the direct current brick at the tail part of the brick groove 7;

and the special-shaped injection pipe is characterized in that a base 1 of the special-shaped injection pipe is placed on the bottom plate 6, and a plurality of pressing blocks 2 are circumferentially arranged on the base 1 and correspond to the brick grooves 7 so as to tightly press brick joints of the direct current bricks between the central pit 8 and the ingot mold 9.

In another alternative embodiment, the base 1 is a circular plate, and four pressing blocks 2 are arranged on the circumference of the base to press the direct current bricks corresponding to the ingot moulds 9 positioned at the four corners of the bottom plate 6; the peripheral surface of the base 1 is almost tangent to the outer walls of the four ingot molds 9 at the non-edge positions.

Specifically, the 9 eight-position tilting method for the ingot mould comprises the following steps: step S1, nine stations distributed in an array are arranged on the bottom plate 6, wherein one station positioned at the center is a central pit 8 station and is used for arranging the central pit 8; the other eight stations are placing stations for placing the ingot mold 9, and brick grooves 7 correspondingly communicated with the placing stations are arranged in the circumferential direction of the central pit 8; and step S2, building the runner bricks in the central pit 8 and the brick groove 7, wherein the runner bricks in the brick groove 7 are direct-current bricks. The runner bricks positioned in the central pit 8 are central bricks; step S3, placing the ingot mould 9 at a placing station, and aligning a mould bottom hole of the ingot mould 9 with a lifting hole of a direct current brick at the tail part of the brick groove 7; and step S4, placing the base 1 of the special-shaped pouring pipe for the eight-position swinging plate method on a bottom plate 6, uniformly distributing four pressing blocks 2 in the circumferential direction of the base 1 to extend to four ingot moulds 9 correspondingly positioned at the corners so as to press the brick joints of the direct current bricks in the brick grooves 7 between the central pit 8 and the ingot moulds 9 positioned at the corners. Before the ingot mould 9 and the special-shaped middle pouring pipe are placed on the tray, a central brick and a direct current brick are built in the bottom plate 6, and the built central brick and the direct current brick are hung on a casting car. Be equipped with central brick in the center hole 8, well notes hole 5 in the body 3 arranges with center hole 8 is concentric, and a plurality of notes pipe bricks are cup jointed to the inside of notes hole 5, and a plurality of notes pipe bricks connect gradually along the axial of notes hole 5. The injection pipe bricks are stacked layer by layer in the vertical direction above the central brick, the joints of the injection pipe bricks are tight, and the joints are aligned and not staggered or inclined. After the pipe body 3 is sleeved on the injection pipe brick, the pipe body 3 is vertically placed on the bottom plate 6. When steel ingot casting is carried out, the axes of a plurality of injection pipe bricks are overlapped, and when the sleeve is placed into the middle injection hole 5, a section of injection pipe brick on the alignment sleeve is firstly sleeved in sequence to prevent the injection pipe brick from being touched. After the pipe body is sleeved, the central position is checked and adjusted firstly, then the injection pipe brick is adjusted to be vertical and not staggered, and a funnel brick is assembled at the horn-shaped guide nozzle at the upper end of the injection hole 5. And then, pouring sand, wherein 1-2 steel ingot molds 9 are placed around the steel ingot molds before the sand pouring, then fire brick grains are used for filling the gap between the injection pipe brick and the pipe body 3, and the fire brick grains are added according to the settlement condition of the fire brick grains in the middle injection hole 5 after the steel ingot molds 9 are completely assembled.

In another alternative embodiment, the bottom plate 6 is of a square structure, the center of the bottom plate is provided with a central pit 8, a plurality of brick grooves 7 are circumferentially and uniformly distributed around the central pit 8 and communicated with the central pit 8, and the brick grooves 7 are suitable for direct current bricks with the side length of 100 mm; the central brick (also called as a central shunt brick) is arranged in the central pit 8 and is provided with an upper opening arranged in the center, a side opening corresponding to the groove of the bottom plate 6 is correspondingly arranged on the side part of the central shunt brick and is communicated with the upper opening, the cross section of a working surface and the cross section of a non-working surface of the cast pipe brick are both circular, the wall thickness is uniform, the working surface is an inner cavity, the non-working surface is an outer wall, and the inner cavity of the cast pipe brick is used for circulating molten steel when steel ingot casting is carried out. The cross section of the injection pipe brick is annular, and the inner diameter of the common injection pipe brick is 90mm and the outer diameter of the common injection pipe brick is 150 mm. When the 3T ingot mould 9 is swung, 15 injection pipe bricks need to be vertically assembled inside the pipe body 3. The direct current brick sets up in 6 brickwork grooves 7 of bottom plate, has the water conservancy diversion hole that sets up in the tip, and the direct current tail brick still sets up in the hole that rises at its top, and the water conservancy diversion hole corresponds to be connected on the side mouth. The cross section of the direct current brick is square, the width of the cross section of the direct current brick is generally 100mm, and the length of the common direct current brick is 150mm, 250mm, 300mm and the like. The funnel brick is a bell mouth type runner brick, and the inner diameter of a small opening of a common funnel brick is phi 90 mm. The fire brick grains are refractory materials filled between the pipe body 3 and the injection pipe brick in the ingot casting process, and the granularity is 3-8 mm.

In another optional embodiment, the base 1 is a circular plate, eight pressing blocks 2 are arranged on the circumference of the base, and the eight pressing blocks 2 respectively correspond to each ingot mold 9 so as to seal direct-current brick seams on each brick groove 7;

or, there are four pressing blocks 2, the peripheral surface of the base 1 is tangent to the outer walls of the four ingot moulds 9 at the non-edge, when the eight-position swinging method is used for placing the ingot moulds 9, the eight ingot moulds 9 are distributed around the central pit 8 in a rectangular shape, the centers of the rectangles corresponding to the eight ingot moulds 9 are overlapped with the circle center of the central pit 8, and at the moment, the direct current bricks of the ingot moulds 9 at the non-edge are longitudinally pressed through the base 1 to realize sealing. It should be understood that the above description is exemplary only and that the embodiments of the present application are not intended to be limiting.

The above description is only exemplary of the utility model and should not be taken as limiting the utility model, as any modification, equivalent replacement, or improvement made within the spirit and principle of the utility model is intended to be covered by the appended claims.

Claims (10)

1. A notes pipe in dysmorphism that is used for eight pendulum plate methods, its characterized in that includes:

the middle part of the pipe body is provided with a middle injection hole;

the base is arranged at the lower end of the pipe body and is correspondingly placed on the bottom plate so as to pour molten steel into the ingot mould through the direct current bricks on the bottom plate;

the periphery of base is equipped with a plurality of briquetting, the briquetting is in the circumference equipartition of base is used for compressing tightly the brickwork joint of direct current brick.

2. The special-shaped central injection pipe for the eight-position balance method according to claim 1, wherein the upper end of the pipe body is provided with a trumpet-shaped guide nozzle corresponding to the central injection hole.

3. The special-shaped center nozzle for the eight-position wobble plate method as claimed in claim 1, wherein the outer wall of the nozzle body is provided with two symmetrically distributed lifting lugs.

4. The shaped centertube for an eight-position wobble plate method according to claim 1, wherein said base is of a conical configuration.

5. The special-shaped central casting pipe for the eight-position wobble plate method as claimed in claim 1, wherein a plurality of casting pipe bricks are sleeved inside the central casting hole and are sequentially connected along the axial direction of the central casting hole.

6. The contoured centertube for an eight-position wobble plate method according to claim 1, wherein the tube body and the base are integrally cast.

7. The special-shaped pouring tube for the eight-position swinging plate method as claimed in claim 1, wherein the base is a circular plate body, and the number of the pressing blocks in the circumferential direction is four, so as to press the direct current bricks corresponding to the ingot molds positioned at the four corners of the bottom plate.

8. A casting structure for an eight-position wobble plate process, comprising:

the device comprises a base plate, a plurality of positioning stations and a plurality of positioning units, wherein the base plate is provided with nine stations distributed in an array manner, and one station positioned in the center is a central pit station and is used for arranging a central pit; the other eight stations are placing stations for placing the ingot mold, and brick grooves correspondingly communicated with the placing stations are arranged in the circumferential direction of the central pit;

the direct current bricks are arranged along the brick grooves to communicate the central pit with the placing station;

the steel ingot mold is correspondingly placed at a placing station, and a mold bottom hole of the steel ingot mold is aligned with a lifting hole of the direct current brick at the tail part of the brick groove;

the special-shaped injection pipe is the special-shaped injection pipe disclosed by any one of claims 1 to 7, a base of the special-shaped injection pipe is placed on the bottom plate, and a plurality of pressing blocks are circumferentially arranged on the base and correspond to the brick grooves so as to press the brick joints of the direct current bricks between the central pit and the ingot mold.

9. The casting structure for the eight-bit tilting pan method according to claim 8, wherein the base is a circular plate body, and the number of the circumferential pressing blocks is four, so as to press the direct current bricks corresponding to the ingot molds at the four corners of the bottom plate;

the peripheral surface of the base is tangent to the outer walls of the four ingot moulds at the non-edge positions.

10. The casting structure for an eight-position tilting pan method according to claim 8, wherein the center hole is concentrically arranged with the center pit, and a plurality of nozzle bricks are inserted into the center hole and sequentially connected in an axial direction of the center hole.

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