CN218532744U - Large vertical two-plate type die-casting forming device - Google Patents

Abstract

The utility model discloses a large vertical two-plate die-casting forming device, which comprises a lower die base; the guide pillar is vertically arranged at the top corner of the lower die base; the upper die base is arranged above the lower die base, the guide posts penetrate through the upper die base, a band-type brake mechanism is arranged on the upper die base corresponding to the guide posts, and one guide post can be pulled out of the lower die base by a drawing oil cylinder on the upper die base; the lifting oil cylinders are arranged on the side parts of the lower die base in a plurality of ways, and extension rods of the lifting oil cylinders are connected with the upper die base and drive the upper die base to lift along the guide pillars; and the feeding moving platform is arranged on one side of the lower die base, and a horizontal injection device is arranged on the feeding moving platform and is used for being connected with a die on the lower die base. The utility model discloses can solve the ground that current large-tonnage horizontal die casting machine exists and the mould bridge is out of shape easily, the frictional force between guide pillar and the movable mould board increases and influences the precision and the life's of die casting mould problem.

Description

Large vertical two-plate type die-casting forming device

Technical Field

The utility model relates to a die-casting equipment field specifically is a two board-like die-casting forming device of large-scale vertical.

Background

At present, the permeability of new energy automobiles in the automobile market is higher and higher, the yield of new energy automobiles is also higher and higher, the new energy automobiles mainly pursue light weight, the production efficiency and the mileage can be improved, so that an automobile body and a chassis can be made into an integrated part formed by integral die-casting, the size of the integrated automobile chassis part is very large, the requirement of ultra-large and large-tonnage die-casting equipment on the ground can be met, the existing die-casting machines with the weight of more than 3000 tons generally adopt horizontal structures, the occupied area is very large, the requirement on the ground and a base of the die-casting equipment is very high, the ground of the horizontal die-casting machine in the practical application process is easy to deform, the deformation of the ground can cause the deformation of a die bridge for supporting a large die and the base of the die-casting machine, the deformation of the die bridge and the base can cause the increase of the friction force between a guide pillar and a movable template, the precision and the service life of the die-casting machine are influenced, the precision of the guide pillar of the die-casting machine can be influenced, and the precision of the guide pillar can be also influenced by the 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 automobile body chassis part of the new energy automobile.

SUMMERY OF THE UTILITY MODEL

The utility model provides a two board-like die-casting forming device of large-scale vertical can solve the ground that current large-tonnage horizontal die casting machine exists and the mould bridge is out of shape easily, the frictional force between guide pillar and the movable mould board increases and influences the precision and the life's of die casting mould problem.

In order to achieve the above object, the utility model provides a following technical scheme: a large vertical two-plate die-casting forming device comprises a lower die base, a die cavity and a die cavity, wherein the lower die base is used for being placed on the ground; the guide post is vertically arranged at the vertex angle of the lower die base; the upper die base is arranged above the lower die base, the guide posts penetrate through the upper die base, a band-type brake mechanism is arranged on the upper die base corresponding to the guide posts, and one guide post can be pulled out of the lower die base by a drawing oil cylinder on the upper die base; the lifting oil cylinders are arranged on the side parts of the lower die base in a plurality of shapes, and extension rods of the lifting oil cylinders are connected with the lower die base and drive the upper die base to lift along the guide pillars; feed moving platform sets up one side of lower mould base, feed moving platform on install horizontal injection device, horizontal injection device be used for being connected with the mould on the upper die base, with the soup metal injection mould in, the technical scheme of the utility model adopted with the different technical scheme of the horizontal die casting machine of current large-tonnage, adopted two vertical plate-type structures, not only area is little, and is not high to the requirement of ground moreover, the ground is difficult to be deformed, even the ground takes place deformation and also can not influence the compound die of mould and the precision of die sinking.

Preferably, the band-type brake mechanism comprises a pair of band-type brake blocks driven by an oil cylinder, the guide pillar penetrates through the two band-type brake blocks, a lock mold cavity is formed between the upper mold die holder, a mold locking piston rod is connected to the band-type brake blocks, the mold locking piston rod moves in the mold locking cavity, hydraulic oil entering the mold locking cavity moves downwards the upper mold die holder through a 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 into the auxiliary die plate and the upper die plate, an upper die of the die is fixed through the upper die plate, and the die locking oil cylinder applies downward pressure to the upper die plate to realize high-pressure die locking.

Preferably, the guide post connected with the drawing oil cylinder is positioned on one side far away from the feeding moving platform, because a vertical structure is adopted, the die is fed on the side edge, and a slide block oil cylinder and other externally-mounted parts are not required to be mounted on the side opposite to the feeding side, so that the requirement of die mounting can be met only by drawing out the drawing oil 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 the feeding mobile platform and positioned on one side of the horizontal injection device, metal blocks can be smelted through the smelting furnace, and the soup feeder can automatically and continuously add the metal solution in the smelting furnace into the mold.

Preferably, the horizontal injection device comprises a material cylinder capable of movably extending into the mold, an injection push rod movably and axially connected with the material cylinder, and pull rods positioned on two sides of the material cylinder and used for being connected with the mold, wherein the pull rods can limit the position between the mold and the horizontal injection device, and can ensure that the mold cannot move when the injection push rod pushes metal materials into the mold.

Preferably, the outer side of the injection push rod is detachably connected with a hook piece, one end of the hook piece is in a hook shape and is hooked with the soup feeding opening on the material cylinder, the material cylinder can be pulled out for a certain distance through the hook piece when the mold is opened, and the solidified product part in the material cylinder is prevented from remaining to interfere with the mold opening of the mold.

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 charging barrel is installed on the upper clamping plate, the hook plate is hooked with the soup feeding port, and the draw hook piece is simple to install and disassemble.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) The technical scheme is different from the prior large-tonnage horizontal die casting machine, and the vertical two-plate structure is adopted, so that the occupied area is small, the friction force between the guide pillar and the upper die holder is smaller, the precision is higher, the construction cost of the foundation is lower, and the precision and the service life of the die cannot be influenced even if the foundation deforms;

(2) The two-plate structure reduces the height of a large vertical die casting machine and meets the height requirements of most of the existing plants;

(3) The installation of the die with the oil cylinder and the slide block can be completed by using a drawing oil cylinder to draw out a guide column, so that the cost is low;

(4) The upper die holder can adopt various die locking structures to meet different use requirements;

(5) The horizontal injection device is fixedly connected with the die through the pull rod, so that the die cannot move due to reverse thrust when the large die casting is injected;

(6) The material cylinder can be pulled out for a distance through the injection push rod before the mold opening by adopting the draw hook piece, so that the interference is prevented when the mold is opened.

Drawings

Fig. 1 is an overall perspective view of a first viewing angle of the present invention;

fig. 2 is an overall perspective view of a second viewing angle of the present invention;

fig. 3 is an overall perspective view of a third viewing angle of the present invention;

FIG. 4 is a structural diagram of the lower mold base of the present invention;

fig. 5 is a schematic view of a first mode locking structure of the present invention;

fig. 6 is a schematic view of a second mode locking structure of the present invention;

FIG. 7 is an enlarged view of the horizontal injection device according to the present invention;

fig. 8 is a three-dimensional structure view of the drag hook member of the present invention;

FIG. 9 is a three-dimensional structure diagram of the mold filling process of the present invention;

fig. 10 is a schematic view of the mold of the present invention.

Reference numerals:

1. the device comprises a lower die base, 11, a drawing oil cylinder, 12, a connecting frame, 13, a charging barrel, 14, a driving oil cylinder, 15, a pull rod, 16, a draw hook piece, 17, a liquid feeding port, 18, a hook plate, 19, a clamping hole, 2, an upper die base, 20, an upper clamping plate, 21, a lower clamping plate, 22, an auxiliary die plate, 23, an upper die plate, 24, a die locking oil cylinder, 26, a band-type brake block, 27, a die locking cavity, 28, a die locking piston rod, 29, a top plate, 3, a guide pillar, 31, an ejection oil cylinder, 32, a moving-in and-out auxiliary die plate, 4, a die moving-in and-out track, 5, a smelting furnace, 6, a feeding moving platform, 7, an injection push rod, 8, a liquid feeding machine, 9, a lifting oil cylinder, 10 and a band-type brake mechanism.

Detailed Description

The technical solution 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 utility model discloses can solve the ground that current large-tonnage horizontal die casting machine exists and the mould bridge is out of shape easily, the frictional force between guide pillar and the movable mould board increases and influences the precision of die casting mould and life's problem, provide following technical scheme: a large vertical two-plate die-casting forming device comprises a lower die base 1, a die-casting die and a die-casting die, wherein the lower die base is used for being placed on the ground; the guide pillar 3 is vertically arranged at the top corner of the upper side of the lower die base 1; the upper die base 2 is arranged above the lower die base 1, the guide pillar 3 penetrates through the upper die base 2, a band-type brake mechanism 10 is arranged on the upper die base 2 corresponding to the guide pillar 3, and one guide pillar 3 can be pulled out of the lower die base 1 by a pull oil cylinder 11 on the upper die base 2; the lifting oil cylinders 9 are arranged on the side parts of the lower die base 1 in a plurality of ways, and an extension rod of each lifting oil cylinder 9 is connected with the upper die holder 2 to drive the upper die holder 2 to lift along the guide pillar 3; feed moving platform 6 sets up lower mould base 1 one side, feed moving platform 6 on install horizontal injection device, horizontal injection device be used for with last mould base 2 on the mould be connected, with the metal soup base injection mold in, the technical scheme of the utility model adopted with the different technical scheme of the horizontal die casting machine of current large-tonnage, adopted two vertical plate-like structures, not only area is little, and is not high to the requirement of ground moreover, and the ground is difficult to deform, even the ground takes place deformation can not influence the compound die of mould and the precision of die sinking yet.

Specifically, the utility model discloses a before the installation of vertical die casting machine, earlier dig a foundation ditch on the ground, lower mould base 1's both sides are provided with the supporting beam of outside extension, can support with the edge of foundation ditch through a supporting beam, and lower mould base 1's bottom middle part can be unsettled, can install roof 29 at lower mould base 1's downside like this, roof 29 go up and down by the ejecting hydro-cylinder 31 drive of lower mould base 1 bottom for link to each other with the thimble in the mould, it is smaller with ground area of contact through a supporting beam, the deformation of ground also can be smaller to lower mould base 1's influence like this.

The upper die holder 2 is of an integrated structure, and needs to be reinforced structurally, if reinforcing ribs are added at corners, the four contracting brake mechanisms 10 can be connected through the connecting frame 12, the strength is improved, the drawing oil cylinder 11 can be installed at the upper end of one contracting brake mechanism 10, and the contracting brake mechanism 10 can be driven by two contracting brake oil cylinders to tightly embrace the guide pillar 3 for the two contracting brake blocks 26.

As shown in fig. 9, a mold moving-in and moving-out rail 4 may be disposed at the front side of the lower mold base 1, a moving-in and moving-out auxiliary mold plate 32 that can slide along the mold moving-in and moving-out rail 4 is installed on the mold moving-in and moving-out rail 4, and when the mold is installed, the mold is placed on the moving-in and moving-out auxiliary mold plate 32 first, and is pushed by a moving-in and moving-out oil cylinder located between the mold moving-in and moving-out rails 4 to enter the upper side of the lower mold base 1, and the same is true when the mold is changed.

The upside of lower mould base 1 can set up with mould assorted location structure, can fix a position spacingly fast in die holding, improves the accuracy of die-filling, can set up guide structure in mould sliding position's both sides, if the lateral wall of leading wheel and mould contacts.

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 pillar 3 passes through between the two band-type brake blocks 26, a lock mold cavity 27 is formed inside the upper mold base 2, a mold locking piston rod 28 is connected to the lower side of the band-type brake block 26, the mold locking piston rod 28 moves inside the mold locking cavity 27, and the hydraulic oil enters the lock mold cavity 27 to move the upper mold base 2 downward relative to the reverse acting force of the band-type brake blocks 26 and the mold locking piston rod 28, so as to realize high-pressure mold locking between the upper mold and the lower mold of the mold, specifically, the portion of the band-type brake block 26 inside the lock mold cavity 27 is equivalent to a piston, and when the lock mold cavity 27 on the lower side of the band-type brake block 26 is filled with oil, the upper mold base 2 can be pushed downward by the action of 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 vertically arranged, the auxiliary die plate 22 is connected to the upper die plate 23 through 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 installed on the auxiliary die plate 22, the upper die holder 2 is set as the auxiliary die plate 22 and the upper die plate 23, an upper die of a die is fixed through the upper die plate 23, and downward pressure is applied to the upper die plate 23 through the die locking cylinder 24 to realize high-pressure die locking, wherein the die locking cylinders 24 may be 2 or 4 in the middle area, or may be one die locking cylinder 24 in the middle of the upper die holder 2.

In this embodiment, the guide post 3 connected to the drawing cylinder 11 is located on the side far from the feeding moving platform 6, because of the vertical structure, the mold is fed laterally, and the side opposite to the feeding side does not need to be provided with external parts such as a slider cylinder, so that the requirement of mold installation can be met only by drawing out the drawing cylinder 11, and the guide post 3 connected to the drawing cylinder 11 is a guide post close to the mold moving-in and moving-out rail 4.

As a specific embodiment of the feeding moving platform 6, as shown in fig. 3, the feeding moving platform 6 is connected to the lower mold base 1 through a driving cylinder 14, and the relative position of the feeding moving platform 6 and the lower mold base 1 can be adjusted through the driving cylinder 14 to adapt to molds with different sizes. Meanwhile, a smelting furnace 5 and a soup feeder 8 are further arranged on one side, located on the horizontal injection device, of the feeding moving 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 mold.

As an embodiment of the horizontal type injection apparatus, as shown in fig. 7, the horizontal type injection apparatus includes a material cylinder 13 movably inserted into the mold, an injection push rod 7 movably axially connected to the material cylinder 13, and a pull rod 15 located at both sides of the material cylinder 13 for connecting to the mold, the pull rod 15 can limit the position between the mold and the horizontal type injection apparatus, the mold can be prevented from moving when the injection push rod 7 pushes the metal material into the mold, and the connection between the pull rod 15 and the mold can be set in many ways, such as a pin connection, a snap connection, and the like.

As shown in fig. 10, the injection push rod 7 cannot guarantee that the molten metal in the cylinder 13 is pushed into the die cavity every time during the die casting process, and a part of the molten metal remains in the cylinder 13, after the molten metal is solidified, because the cylinder 13 is cylindrical, the upper die and the lower die are opened and the product is ejected, the upper die and the lower die interfere with the cylinder 13, so that a hook member 16 is detachably connected to the outer side of the injection push rod 7, one end of the hook member 16 is hook-shaped and is hooked with a soup feeding port 17 on the cylinder 13, and the hook member 16 can pull the cylinder 13 for a certain distance when the die is opened, so that the solidified product part remaining in the cylinder 13 is prevented from interfering with the opening of the die. Specifically, draw hook piece 16 include punch holder 20 and lower plate 21, punch holder 20 and lower plate 21 between form double-layered hole 19, punch holder 20 on install to the horizontal hook plate 18 that extends of feed cylinder 13 direction, hook plate 18 with give hot water mouth 17 and hook, the installation and the dismantlement of drawing hook piece 16 are all fairly simple, can adopt screw connection between punch holder 20 and the lower plate 21, also can adopt the mode of joint to carry out high-speed joint.

As a specific embodiment of the utility model:

s1, a die filling procedure: installing a lower die of a die on a lower die base 1, installing an upper die of the die on an upper die base 2, connecting a material barrel 13 with the lower die of the die, driving an injection push rod 7 to be butted with the material barrel 13 by a driving oil cylinder 14, and fixedly connecting a pull rod 15 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 cylinder lifts, moves in and moves out of the auxiliary template 32 → the moving-in and moving-out cylinder drives the moving-in and moving-out of the auxiliary template 32 to move out → the mold is hung in the auxiliary template mold and the moving-in and moving-out of the auxiliary template 32 directly has positioning → the drawable guide rod is selected to be drawn out according to the mold condition or not → the moving-in and moving-out cylinder drives the auxiliary template to move in → the moving-in and moving-out lifting cylinder to descend, and the moving-in and moving-out auxiliary template 32 is positioned on the lower template → the drawable guide rod is reset;

s2, the upper die base 2 is quickly lowered through the lifting oil cylinder 9, and the die is quickly closed;

s3, carrying out high-pressure mold locking through a band-type brake mechanism with a mold locking piston rod or a mold locking oil cylinder 24 on the upper mold base 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 the die through the injection push rod 7;

and S5, cooling and then opening the mold, wherein before opening the mold, the hook part 16 is installed on the injection push rod 7, the injection push rod 7 retreats for a certain distance, the charging barrel 13 is pulled out of the mold for a certain distance, then the high-pressure mold locking is released, and the lifting oil cylinder 9 drives the upper mold base 2 to ascend, so that the mold opening is realized.

It should be noted that all directional indicators (such as up, down, left, right, front, and back) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, descriptions in the present application as to "first", "second", and the like are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless expressly specified otherwise.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In addition, the technical solutions of the embodiments of the present invention can be combined with each other, but it is necessary to use a person skilled in the art to realize the basis, and when the technical solutions are combined and contradictory to each other or cannot be realized, the combination of the technical solutions should not exist, and is not within the protection scope of the present invention.

Claims (9)

1. The utility model provides a two board-like die-casting forming device of large-scale vertical, its characterized in that includes:

the lower die base (1) is used for being placed on the ground;

the guide post (3) is vertically arranged at the top corner of the lower die base (1);

the upper die base (2) is arranged above the lower die base (1), the guide pillars (3) penetrate through the upper die base (2), the upper die base (2) is provided with a brake mechanism (10) corresponding to the guide pillars (3), and one guide pillar (3) can be pulled out of the lower die base (1) by a drawing oil cylinder (11) on the upper die base (2);

the lifting oil cylinders (9) are arranged on the side parts of the lower die base (1), and extension rods of the lifting oil cylinders (9) are connected with the upper die base (2) to drive the upper die base (2) to lift along the guide pillars (3);

the feeding mobile platform (6) is arranged on one side of the lower die base (1), a horizontal injection device is installed on the feeding mobile platform (6), and the horizontal injection device is used for being connected with a die on the lower die base (1) and injecting the metal soup bases into the die.

2. The large vertical two-plate die-casting molding device according to claim 1, characterized in that: band-type brake mechanism (10) include by a pair of band-type brake block (26) of hydro-cylinder drive, guide pillar (3) pass between two band-type brake blocks (26), the inside lock die chamber (27) that forms of upper die base (2), guide pillar (3) on be connected with mode locking piston rod (28), mode locking piston rod (28) at mode locking chamber (27) internalization.

3. The large vertical two-plate die-casting molding device according to claim 1, characterized in that: the upper die base (2) comprises an auxiliary template (22) and an upper template (23) which are arranged up and down, and the auxiliary template (22) is connected with the upper template (23) through at least one die locking oil cylinder (24).

4. The large vertical two-plate die-casting molding device according to claim 1, characterized in that: the guide post (3) connected with the drawing oil cylinder (11) is positioned on one side far away from the feeding moving platform (6).

5. The large vertical two-plate die-casting molding device according to claim 1, characterized in that: the feeding moving platform (6) is connected with the lower die base (1) through a driving oil cylinder (14).

6. The large vertical two-plate die-casting molding device according to claim 1, characterized in that: and a smelting furnace (5) and a soup feeder (8) are also arranged on one side of the feeding mobile platform (6) which is positioned on the horizontal injection device.

7. The large vertical two-plate die-casting molding device according to claim 1, characterized in that: the horizontal injection device comprises a material cylinder (13) which can movably extend into the mould, an injection push rod (7) which is movably and axially connected with the material cylinder (13), and pull rods (15) which are positioned at two sides of the material cylinder (13) and are used for being connected with the mould.

8. The large vertical two-plate die-casting molding device according to claim 7, characterized in that: the outer side of the injection push rod (7) is detachably connected with a draw hook piece (16), one end of the draw hook piece (16) is hook-shaped and is hooked with a soup feeding opening (17) on the charging barrel (13), and the draw hook piece (16) moves along with the injection push rod (7) to draw back the charging barrel (13).

9. The large vertical two-plate die-casting molding device according to claim 8, wherein: draw hook spare (16) include punch holder (20) and lower plate (21), punch holder (20) and lower plate (21) between form and press from both sides hole (19), punch holder (20) on install to feed cylinder (13) direction horizontal extension's hook plate (18), hook plate (18) with give hot water mouth (17) and hook.

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