CN116493566A - Large vertical two-plate type die-casting forming device and application method thereof - Google Patents

Large vertical two-plate type die-casting forming device and application method thereof Download PDF

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Publication number
CN116493566A
CN116493566A CN202211402497.0A CN202211402497A CN116493566A CN 116493566 A CN116493566 A CN 116493566A CN 202211402497 A CN202211402497 A CN 202211402497A CN 116493566 A CN116493566 A CN 116493566A
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CN
China
Prior art keywords
die
plate
die base
base
upper die
Prior art date
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Pending
Application number
CN202211402497.0A
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Chinese (zh)
Inventor
朱贤舟
胡鹏程
叶佳杰
周迪波
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NINGBO SHUNXING MACHINERY MANUFACTURING CO LTD
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NINGBO SHUNXING MACHINERY MANUFACTURING CO LTD
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Priority to CN202211402497.0A priority Critical patent/CN116493566A/en
Publication of CN116493566A publication Critical patent/CN116493566A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/08—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled
    • B22D17/10—Cold chamber machines, i.e. with unheated press chamber into which molten metal is ladled with horizontal press motion
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/2015—Means for forcing the molten metal into the die
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/22—Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/26—Mechanisms or devices for locking or opening dies
    • B22D17/266—Mechanisms or devices for locking or opening dies hydraulically
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20—Accessories: Details
    • B22D17/30—Accessories for supplying molten metal, e.g. in rations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P10/00—Technologies related to metal processing
    • Y02P10/20—Recycling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)

Abstract

The invention discloses a large-scale vertical two-plate type die-casting forming device and a use method thereof, wherein the device comprises a lower die base; the guide post is vertically arranged at the top angle of the lower die base; the upper die base is arranged above the lower die base, the guide columns penetrate through the upper die base, the upper die base is provided with band-type brake mechanisms corresponding to the guide columns, and one guide column can be pulled away from the lower die base by a pulling oil cylinder on the upper die base; the lifting cylinders are arranged at the side parts of the lower die base, and the extending rods of the lifting cylinders are connected with the upper die base to drive the upper die base to lift along the guide posts; the feeding mobile platform is arranged on one side of the lower die base, and is provided with a horizontal injection device which is used for being connected with a die on the lower die base. The invention can solve the problems that the foundation and the die bridge are easy to deform, the friction between the guide post and the movable template is increased, and the precision and the service life of the die casting die are affected in the existing large-tonnage horizontal die casting machine.

Description

Large vertical two-plate type die-casting forming device and application method thereof
Technical Field
The invention relates to the field of die casting equipment, in particular to a large-scale vertical two-plate type die casting forming device and a using method thereof.
Background
At present, the permeability of new energy automobiles in the automobile market is higher and higher, the yield of the new energy automobiles is also higher and higher, the new energy automobiles are mainly pursued to lighten, produce efficiency and improve endurance mileage, so that an integrated part of an integrated automobile chassis part is often manufactured by integrally die casting an automobile body and a chassis, the size of the integrated automobile chassis part is very large, the requirement of die casting molding can be met by extra-large and large-tonnage die casting equipment, a horizontal structure is generally adopted by a die casting machine with more than 3000 tons, the occupied area is very large, the requirements on foundations and die casting equipment bases are particularly high, foundations where the horizontal large-tonnage die casting machine is located are easy to deform in the practical application process, the foundations deform to lead to deformation of a die bridge supporting a large die on the die casting machine and the bases of the die casting machine, friction between the die bridge and a movable die plate can be increased, the precision and the service life of a die can be influenced, the precision of a guide post and a guide sleeve of the die can be influenced, and the guide sleeve of the die can be deformed after long-time use. The large-tonnage horizontal die casting machine has the problems, so that a novel die casting forming device is needed to solve the technical problems of the existing large-tonnage horizontal die casting machine in order to meet the production requirements of the integrated body chassis part of the new energy automobile.
Disclosure of Invention
The invention provides a large-scale vertical two-plate type die-casting forming device and a use method thereof, which can solve the problems that the foundation and a die bridge of the existing large-tonnage horizontal die-casting machine are easy to deform, and the friction between a guide post and a movable template is increased to influence the precision and the service life of a die-casting die.
In order to achieve the above object, in a first aspect, the present invention provides the following technical solutions: a large-scale vertical two-plate type die-casting forming device comprises a lower die base, a lower die and a lower die, wherein the lower die base is used for being placed on the ground; the guide post is vertically arranged at the top angle of the lower die base; the upper die base is arranged above the lower die base, the guide pillar penetrates through the upper die base, the upper die base is provided with a band-type brake mechanism corresponding to the guide pillar, and one guide pillar can be pulled away from the lower die base by a pulling oil cylinder on the upper die base; the lifting cylinders are arranged at the side parts of the lower die base, and the extending rods of the lifting cylinders are connected with the lower die base to drive the upper die base to lift along the guide posts; the feeding mobile platform is arranged on one side of the lower die base, the horizontal injection device is arranged on the feeding mobile platform and is used for being connected with a die on the upper die base to inject metal soup stock into the die, the technical scheme of the invention adopts a technical scheme different from the existing large-tonnage horizontal die casting machine, adopts a vertical two-plate structure, has small occupied area, has low requirement on a foundation, is not easy to deform, and does not influence the die closing and opening precision of the die even if the foundation deforms.
Preferably, the band-type brake mechanism comprises a pair of band-type brake blocks driven by an oil cylinder, the guide pillar penetrates through between the two band-type brake blocks, a mold locking cavity is formed between the upper mold bases, the band-type brake blocks are connected with mold locking piston rods, the mold locking piston rods move in the mold locking cavity, hydraulic oil entering the mold locking cavity moves the upper mold bases downwards through reverse acting force relative to the band-type brake blocks, and high-pressure mold locking between the upper mold and the lower mold of the mold is achieved.
Preferably, the upper die holder comprises an auxiliary die plate and an upper die plate which are arranged up and down, the auxiliary die plate is connected with the upper die plate through at least one die locking oil cylinder, the upper die holder is arranged as the auxiliary die plate and the upper die plate, the upper die of the die is fixed through the upper die plate, and the upper die is subjected to downward pressure through the die locking oil cylinder to realize high-pressure die locking.
Preferably, the guide post connected with the drawing cylinder is positioned at one side far away from the feeding moving platform, and because the vertical structure is adopted, the die is fed laterally, and the side opposite to the feeding side is not required to be provided with externally-arranged parts such as a sliding block cylinder and the like, so that the requirement of die installation can be met only by drawing out the drawing cylinder.
Preferably, the feeding moving platform is connected with the lower die base through a driving oil cylinder, and the relative position of the feeding moving platform and the lower die base can be adjusted through the driving oil cylinder so as to adapt to dies with different sizes.
Preferably, a smelting furnace and a soup feeder are further arranged on one side of the horizontal injection device on the feeding moving platform, the metal blocks can be melted through the smelting furnace, and the soup feeder can automatically and continuously add the metal solution in the smelting furnace into the die.
Preferably, the horizontal injection device comprises a charging barrel which can be movably inserted into the die, an injection push rod which is axially connected with the charging barrel, and pull rods which are positioned at two sides of the charging barrel and are used for being connected with the die, wherein the positions between the die and the horizontal injection device can be limited by the pull rods, and the dies can be prevented from moving when the injection push rod pushes metal materials into the die.
Preferably, the outside of injection push rod can dismantle and be connected with the drag hook spare, the one end of drag hook spare be hook-shaped and hook with the soup feed mouth on the feed cylinder, can pull out a distance with the feed cylinder earlier when the mould die sinking through the drag hook spare, prevent the inside residual solidified product part of feed cylinder, and produce the interference to the die sinking of mould.
Preferably, the draw hook piece comprises an upper clamping plate and a lower clamping plate, a clamping hole is formed between the upper clamping plate and the lower clamping plate, a hook plate transversely extending towards the direction of the feed cylinder is arranged on the upper clamping plate, the hook plate is hooked with the soup feeding port, and the draw hook piece is easy to install and detach.
In a second aspect, a method for using the large vertical two-plate die-casting molding device according to the first aspect includes the following steps:
s1, die filling process: the lower die of the die is arranged on a lower die base, the upper die of the die is arranged on an upper die base, the charging barrel is connected with the lower die of the die, the driving oil cylinder drives the injection push rod to butt with the charging barrel, and the pull rod is fixedly connected with the lower die of the die;
s2, enabling the upper die holder to rapidly descend through the lifting oil cylinder, and achieving rapid die closing of the die;
s3, performing high-pressure die locking through a band-type brake mechanism or a die locking oil cylinder with a die locking piston rod on an upper die holder;
s4, pouring the molten metal into the charging barrel through a soup feeding machine, and pushing the molten metal in the charging barrel into a die cavity of a die through an injection push rod;
s5, after cooling, opening the die, wherein the draw hook piece is firstly arranged on the injection push rod before opening the die, the injection push rod retreats for a certain distance, the charging barrel is pulled out of the die for a certain distance, then the high-pressure die locking is released, and the lifting oil cylinder drives the upper die holder to ascend, so that the die opening is realized.
Compared with the prior art, the invention has the beneficial effects that:
(1) The technical scheme is different from the existing large-tonnage horizontal die casting machine, the vertical two-plate type structure is adopted, the occupied area is small, the friction force between the guide post and the upper die seat is small, the precision is high, the foundation construction cost is low, and the precision and the service life of the die are not affected even if the foundation deforms;
(2) The two-plate structure reduces the height of the large vertical die casting machine and meets the height requirements of most of the existing plants;
(3) The die with the oil cylinder and the sliding block can be installed by using one drawing oil cylinder to draw out one guide pillar, so that the cost is low;
(4) The upper die holder can adopt various die locking structures, so that different use requirements are met;
(5) The horizontal injection device is fixedly connected with the die through the pull rod, so that the die cannot move due to the reverse thrust during the injection of the large die casting;
(6) The draw hook can draw the charging barrel out for a distance through the injection push rod before die sinking, so that interference is prevented when the die is die sinking.
Drawings
FIG. 1 is a first perspective overall perspective of the present invention;
FIG. 2 is a second perspective overall perspective of the present invention;
FIG. 3 is a third perspective overall view of the present invention;
FIG. 4 is a block diagram of a lower die base of the present invention;
FIG. 5 is a schematic view of a first mode locking structure according to the present invention;
FIG. 6 is a schematic diagram of a second mode locking configuration of the present invention;
FIG. 7 is an enlarged layout view of the horizontal injection device of the present invention;
FIG. 8 is a perspective view of the retractor of the invention;
FIG. 9 is a perspective view of the mold filling process of the present invention;
fig. 10 is a schematic diagram of a mold according to the present invention.
Reference numerals:
1. lower die base, 11, pull cylinder, 12, link, 13, feed cylinder, 14, driving cylinder, 15, pull rod, 16, drag hook piece, 17, feed Shang Kou, 18, hook plate, 19, clamping hole, 2, upper die holder, 20, upper clamping plate, 21, lower clamping plate, 22, auxiliary template, 23, upper template, 24, clamping cylinder, 26, band-type brake block, 27, clamping cavity, 28, clamping piston rod, 29, top plate, 3, guide pillar, 31, ejection cylinder, 32, move in and out auxiliary template, 4, mold move in and out track, 5, smelting furnace, 6, feeding moving platform, 7, injection push rod, 8, soup feeder, 9, lifting cylinder, 10, band-type brake mechanism.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
As shown in fig. 1-10, the invention can solve the problems that the foundation and the die bridge are easy to deform, the friction between the guide post and the movable die plate is increased to influence the precision and the service life of the die casting die in the existing large-tonnage horizontal die casting machine, and provides the following technical scheme: a large-scale vertical two-plate type die-casting forming device comprises a lower die base 1, a lower die and a lower die, wherein the lower die base is used for being placed on the ground; the guide post 3 is vertically arranged at the top angle of the upper side of the lower die base 1; the upper die holder 2 is arranged above the lower die base 1, the guide posts 3 penetrate through the upper die holder 2, the upper die holder 2 and the guide posts 3 are correspondingly provided with band-type brake mechanisms 10, and one guide post 3 can be pulled away from the lower die base 1 by a pulling oil cylinder 11 on the upper die holder 2; the lifting cylinders 9 are arranged on the side parts of the lower die base 1, and the extending rods of the lifting cylinders 9 are connected with the upper die base 2 to drive the upper die base 2 to lift along the guide posts 3; the feeding mobile platform 6 is arranged on one side of the lower die base 1, the horizontal injection device is arranged on the feeding mobile platform 6 and is used for being connected with a die on the upper die base 2 to inject metal soup stock into the die, the technical scheme of the invention adopts a technical scheme different from the existing large-tonnage horizontal die casting machine, adopts a vertical two-plate structure, has small occupied area, has low requirements on a foundation, is not easy to deform, and can not influence the die closing and opening precision of the die even if the foundation deforms.
Specifically, before the vertical die casting machine is installed, a foundation pit is firstly dug on a foundation, supporting beams which extend outwards are arranged on two sides of a lower die base 1 and can be supported with the edge of the foundation pit through the supporting beams, and the middle part of the bottom end of the lower die base 1 can be suspended, so that a top plate 29 can be installed on the lower side of the lower die base 1, the top plate 29 is driven by an ejection cylinder 31 at the bottom of the lower die base 1 to lift and is used for being connected with a thimble in a die, the contact area between the supporting beams and the foundation is smaller, and the influence of deformation of the foundation on the lower die base 1 is smaller.
The upper die holder 2 is of an integrated structure, and structurally needs to be reinforced, if reinforcing ribs are added at corners, four band-type brake mechanisms 10 can be connected through a connecting frame 12, strength is improved, a drawing cylinder 11 can be arranged at the upper end of one of the band-type brake mechanisms 10, and the band-type brake mechanisms 10 can be used for tightly holding guide posts 3 by driving two band-type brake cylinders for two band-type brake blocks 26.
As shown in fig. 9, a mold moving-in and moving-out rail 4 may be provided at the front side of the lower mold base 1, a moving-in and moving-out auxiliary mold plate 32 which is slidably installed along the mold moving-in and moving-out rail 4 is installed on the mold moving-in and moving-out auxiliary mold plate 32, and the mold is installed while being placed on the moving-in and moving-out auxiliary mold plate 32, and is pushed by a moving-in and moving-out cylinder located between the mold moving-in and moving-out rail 4 to enter the upper side of the lower mold base 1, and the same is true when changing the mold.
The upper side of the lower die base 1 can be provided with a positioning structure matched with a die, positioning and limiting can be rapidly carried out when the die is installed, the accuracy of die filling is improved, and two sides of the sliding position of the die can be provided with guide structures, such as guide wheels which are contacted with the side wall of the die.
In this embodiment, as a specific embodiment mode of the band-type brake mechanism 10, as shown in fig. 5, the band-type brake mechanism 10 includes a pair of band-type brake blocks 26 driven by an oil cylinder, the guide post 3 passes through between the two band-type brake blocks 26, a locking cavity 27 is formed inside the upper die holder 2, a locking piston rod 28 is connected to the lower side of the band-type brake block 26, the locking piston rod 28 moves in the locking cavity 27, the upper die holder 2 is moved downward by the reverse acting force of hydraulic oil entering the locking cavity 27 relative to the band-type brake block 26 and the locking piston rod 28, so as to realize high-pressure die locking between an upper die and a lower die of the die, specifically, the part of the band-type brake block 26 located inside the locking cavity 27 is equivalent to a piston, and when the locking cavity 27 at the lower side of the band-type brake block 26 is oil-filled, the upper die holder 2 can be pushed downward by the action of a pushing force.
As a specific structure of the upper die holder 2, as shown in fig. 6, the upper die holder 2 includes an auxiliary die plate 22 and an upper die plate 23 which are disposed up and down, the auxiliary die plate 22 and the upper die plate 23 are connected by at least one die locking cylinder 24, when the upper die holder 2 moves, the auxiliary die plate 22 and the upper die plate 23 move synchronously, the band-type brake mechanism 10 is mounted on the auxiliary die plate 22, the upper die of the die is fixed by setting the upper die holder 2 as the auxiliary die plate 22 and the upper die plate 23, and the upper die 23 is applied with downward pressure by the die locking cylinder 24 to realize high-pressure die locking, wherein the die locking cylinders 24 may be disposed in 2 or 4 in a middle area, or may be one die locking cylinder 24 disposed in the middle of the upper die holder 2.
In this embodiment, the guide post 3 connected to the drawing cylinder 11 is located at a side far away from the feeding moving platform 6, and because of the vertical structure, the mold is fed laterally, and no external parts such as a sliding block cylinder and the like are required to be installed on a side opposite to the feeding side, so that the requirement of mold installation can be met by only drawing out the drawing cylinder 11, and the guide post 3 connected to the drawing cylinder 11 is one similar to the mold moving in and out rail 4.
As an embodiment of the feeding moving platform 6, as shown in fig. 3, the feeding moving platform 6 is connected with the lower die base 1 through a driving oil cylinder 14, and the relative position of the feeding moving platform 6 and the lower die base 1 can be adjusted through the driving oil cylinder 14 so as to adapt to dies with different sizes. Meanwhile, a smelting furnace 5 and a soup feeder 8 are further arranged on one side of the horizontal injection device on the feeding mobile platform 6, metal blocks can be melted through the smelting furnace 5, and the soup feeder 8 can automatically and continuously add metal solution in the smelting furnace 5 into the die.
As a specific embodiment of the horizontal injection device, as shown in fig. 7, the horizontal injection device includes a barrel 13 movably inserted into the mold, an injection push rod 7 axially movably connected to the barrel 13, and a pull rod 15 positioned at both sides of the barrel 13 for connection to the mold, wherein the pull rod 15 can limit the position between the mold and the horizontal injection device, the mold is prevented from moving when the injection push rod 7 pushes the metal material into the mold, and the connection manner between the pull rod 15 and the mold can be variously set, such as a latch connection, a snap connection, etc.
As shown in fig. 10, since the injection push rod 7 cannot ensure that the molten metal in the feed cylinder 13 can be pushed into the mold cavity all the time in the die casting process, part of the molten metal remains in the feed cylinder 13, after solidification, the upper mold and the lower mold are opened and interfere with the feed cylinder 13 when the product is ejected, a draw hook piece 16 is detachably connected to the outer side of the injection push rod 7, one end of the draw hook piece 16 is hooked and is hooked with a soup feeding port 17 on the feed cylinder 13, and the feed cylinder 13 can be pulled out a distance through the draw hook piece 16 when the mold is opened, so that the residual solidified product part in the feed cylinder 13 is prevented from interfering with the mold opening of the mold. Specifically, the hook member 16 includes an upper clamping plate 20 and a lower clamping plate 21, a clamping hole 19 is formed between the upper clamping plate 20 and the lower clamping plate 21, a hook plate 18 extending transversely towards the feed cylinder 13 is installed on the upper clamping plate 20, the hook plate 18 is hooked with the soup feeding port 17, the hook member 16 is easy to install and detach, the upper clamping plate 20 and the lower clamping plate 21 can be connected by screws, and the hook plate can be connected rapidly by clamping.
As a specific embodiment of the present invention, the process:
s1, die filling process: the lower die of the die is arranged on the lower die base 1, the upper die of the die is arranged on the upper die base 2, the charging barrel 13 is connected with the lower die of the die, the driving oil cylinder 14 drives the injection push rod 7 to butt against the charging barrel 13, and the pull rod 15 is fixedly connected with the lower die of the die;
wherein, the die filling of the die comprises the following procedures: the moving-in and moving-out lifting oil cylinder lifts up the moving-in and moving-out auxiliary template 32, the moving-in and moving-out oil cylinder drives the moving-in and moving-out auxiliary template 32 to move out, the mould is lifted into the auxiliary template mould and the moving-in and moving-out auxiliary template 32 are positioned directly, whether a drawable guide rod is extracted or not is selected according to the condition of the mould, the moving-in and moving-out oil cylinder drives the auxiliary template to move in, the moving-in and moving-out lifting oil cylinder descends, the moving-in and moving-out auxiliary template 32 is positioned on the lower template, and the drawable guide rod is reset;
s2, enabling the upper die holder 2 to rapidly descend through the lifting oil cylinder 9, and achieving rapid die closing of the die;
s3, performing high-pressure die locking through a band-type brake mechanism or a die locking cylinder 24 with a die locking piston rod on the upper die holder 2;
s4, pouring molten metal into the charging barrel 13 through the soup feeder 8, and pushing the molten metal in the charging barrel 13 into a die cavity of a die through the injection push rod 7;
s5, after cooling, opening the die, before opening the die, firstly installing a draw hook piece 16 on an injection push rod 7, backing the injection push rod 7 for a certain distance, pulling the charging barrel 13 out of the die for a certain distance, then releasing the high-pressure die locking, and driving the upper die holder 2 to ascend by a lifting oil cylinder 9 to realize die opening.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear are used in the embodiments of the present invention) are merely for explaining the relative positional relationship, movement conditions, and the like between the components in a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicators are changed accordingly.
Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present invention may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present invention.

Claims (10)

1. A large vertical two-plate die-casting molding device, comprising:
a lower die base (1) for placement on the ground;
the guide post (3) is vertically arranged at the top angle of the lower die base (1);
the upper die holder (2) is arranged above the lower die base (1), the guide pillar (3) passes through the upper die holder (2), the upper die holder (2) is provided with a band-type brake mechanism (10) corresponding to the guide pillar (3), and one guide pillar (3) can be pulled away from the lower die base (1) by a pulling oil cylinder (11) on the upper die holder (2);
the lifting cylinders (9) are arranged on the side parts of the lower die base (1), and the extending rods of the lifting cylinders (9) are connected with the upper die base (2) to drive the upper die base (2) to lift along the guide posts (3);
the feeding mobile platform (6) is arranged on one side of the lower die base (1), the feeding mobile platform (6) is provided with a horizontal injection device, and the horizontal injection device is used for being connected with a die on the lower die base (1) to inject the metal soup stock into the die.
2. The large-scale vertical two-plate die-casting molding apparatus according to claim 1, wherein: the band-type brake mechanism (10) comprises a pair of band-type brake blocks (26) driven by an oil cylinder, a guide pillar (3) penetrates through between the two band-type brake blocks (26), a locking die cavity (27) is formed in the upper die holder (2), a locking die piston rod (28) is connected to the guide pillar (3), and the locking die piston rod (28) moves in the locking die cavity (27).
3. The large-scale vertical two-plate die-casting molding apparatus according to claim 1, wherein: the upper die holder (2) comprises an auxiliary die plate (22) and an upper die plate (23) which are arranged up and down, wherein the auxiliary die plate (22) is connected with the upper die plate (23) through at least one die locking oil cylinder (24).
4. The large-scale vertical two-plate die-casting molding apparatus according to claim 1, wherein: the guide post (3) connected with the drawing oil cylinder (11) is positioned at one side far away from the feeding moving platform (6).
5. The large-scale vertical two-plate die-casting molding apparatus according to claim 1, wherein: the feeding mobile platform (6) is connected with the lower die base (1) through a driving oil cylinder (14).
6. The large-scale vertical two-plate die-casting molding apparatus according to claim 1, wherein: the feeding mobile platform (6) is also provided with a smelting furnace (5) and a soup feeder (8) on one side of the horizontal injection device.
7. The large-scale vertical two-plate die-casting molding apparatus according to claim 1, wherein: the horizontal injection device comprises a charging barrel (13) which can be movably inserted into the die, an injection push rod (7) which is axially connected with the charging barrel (13) in a movable mode, and pull rods (15) which are positioned at two sides of the charging barrel (13) and are used for being connected with the die.
8. The large-scale vertical two-plate die-casting molding apparatus according to claim 7, wherein: the outside of injection push rod (7) can dismantle and be connected with drag hook spare (16), one end of drag hook spare (16) be hook-shaped and hook with give soup mouth (17) on feed cylinder (13), drag hook spare (16) along with injection push rod (7) removal with feed cylinder (13) pull back.
9. The large-scale vertical two-plate die-casting molding apparatus according to claim 8, wherein: the draw hook piece (16) comprises an upper clamping plate (20) and a lower clamping plate (21), a clamping hole (19) is formed between the upper clamping plate (20) and the lower clamping plate (21), a hook plate (18) transversely extending towards the feed cylinder (13) is arranged on the upper clamping plate (20), and the hook plate (18) is hooked with the soup feeding port (17).
10. A method of using a large vertical two-plate die casting apparatus according to any one of claims 1 to 9, comprising the steps of:
s1, die filling process: the lower die of the die is arranged on a lower die base (1), the upper die of the die is arranged on an upper die base (2), a charging barrel (13) is connected with the lower die of the die, a driving oil cylinder (14) drives an injection push rod (7) to be in butt joint with the charging barrel (13), and a pull rod (15) is fixedly connected with the lower die of the die;
s2, enabling the upper die holder (2) to rapidly descend through the lifting oil cylinder (9) so as to achieve rapid die closing of the die;
s3, performing high-pressure die locking through a band-type brake mechanism or a die locking cylinder (24) with a die locking piston rod on the upper die holder (2);
s4, pouring molten metal into the charging barrel (13) through the soup feeding machine (8), and pushing the molten metal in the charging barrel (13) into a die cavity of the die through the injection push rod (7);
s5, opening the die after cooling, namely, retreating an injection push rod (7) for a certain distance, and then releasing the high-pressure die locking, wherein a lifting oil cylinder (9) drives an upper die holder (2) to ascend so as to realize die opening.
CN202211402497.0A 2022-11-10 2022-11-10 Large vertical two-plate type die-casting forming device and application method thereof Pending CN116493566A (en)

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CN202211402497.0A CN116493566A (en) 2022-11-10 2022-11-10 Large vertical two-plate type die-casting forming device and application method thereof

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CN116493566A true CN116493566A (en) 2023-07-28

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