CN217727086U

CN217727086U - Aluminum casting die-casting die

Info

Publication number: CN217727086U
Application number: CN202221108728.2U
Authority: CN
Inventors: 王磊
Original assignee: Qingdao Guocan Machinery Co ltd
Current assignee: Qingdao Guocan Machinery Co ltd
Priority date: 2022-05-10
Filing date: 2022-05-10
Publication date: 2022-11-04
Anticipated expiration: 2032-05-10

Abstract

The utility model discloses an aluminum casting die-casting die, which relates to the technical field of die-casting dies and comprises a die-casting die body, wherein the die-casting die body is formed by combining a movable die assembly and a fixed die assembly, the fixed die assembly is provided with a fixed die base and a fixed die plate, the movable die assembly is provided with a movable die base and a movable die plate, the movable die plate is arranged below the fixed die plate, and the fixed die plate is connected with the movable die plate in position through a guide pillar; be provided with the shaping chamber between fixed die plate and the movable mould board, the cover half subassembly is provided with damper assembly, damper assembly runs through fixed die plate and cover half seat from top to bottom in proper order. The utility model discloses a cooperation of multistage compression spring, shock attenuation ball and cushion socket is used, can carry out many times buffering to the impact force, from this, reduces the impact force, prevents to rock, solves current striking and leads to the die casting die body to receive the problem of damage, improves the qualification rate of product.

Description

Aluminum casting die-casting die

Technical Field

The utility model relates to a mould die-casting technical field, concretely relates to aluminum casting die.

Background

Aluminum castings are devices of pure aluminum or aluminum alloys obtained by a casting process, and generally, aluminum or aluminum alloys heated to a liquid state are poured into a molding cavity of a mold by using a sand mold or a metal mold, thereby obtaining aluminum castings of various shapes or sizes.

The die-casting die is a tool for casting metal parts, and is a tool for completing a die-casting process on a special die-casting die forging machine. The basic process of die casting comprises the following steps: the method comprises the steps of debugging a die casting machine, installing a die casting die, preheating the die, coating, closing the die, casting and filling molten metal into a cavity of the die at a low speed or a high speed, pouring and injecting, maintaining pressure, opening the die, and extracting a core.

The existing die-casting die is in the working process, when the die-casting die is impacted and shaken, pits are often generated on the surface of a product in a forming cavity, and the product qualification rate is reduced.

In Chinese patent publication numbers: CN 213496406U discloses an aluminum die-casting die, which comprises a movable die assembly, a fixed die assembly, an extrusion oil cylinder and at least one core pin, wherein the movable die assembly comprises a movable die frame and a movable die core, the fixed die assembly comprises a fixed die frame and a fixed die core, the movable die core and the fixed die core are folded to form a casting die cavity, the core pin is arranged in the casting die cavity in a penetrating manner, the extrusion oil cylinder is detachably assembled on the fixed die assembly and is positioned on the outer side of the fixed die core, the A end of the core pin is propped against the inner wall of the movable die core, and the B end of the core pin is propped against the inner surface of the cylinder body of the extrusion oil cylinder; after the extrusion oil cylinder is disassembled from the fixed die assembly, the core pin can be drawn out from the fixed die frame; therefore, when the core pin is replaced by a worker, the core pin can be pulled out only by detaching the extrusion oil cylinder from the fixed die assembly, the process of disassembling and assembling the core pin is simplified, and the combination efficiency of the aluminum die-casting die is improved.

Disclosure of Invention

To the technical problem, the utility model aims at providing an aluminum casting die can prevent that die casting die from reducing at the in-process of work and rocking, playing absorbing effect, preventing to become intracavity portion product surface and producing the pit, improving the product percent of pass.

The above technical purpose of the present invention can be achieved by the following technical solutions:

the die-casting die for the aluminum castings comprises a die-casting die body, wherein the die-casting die body is formed by combining a movable die assembly and a fixed die assembly, the fixed die assembly is provided with a fixed die holder and a fixed die plate, the movable die assembly is provided with a movable die holder and a movable die plate, the movable die plate is arranged below the fixed die plate, and the fixed die plate and the movable die plate are in position connection through a guide pillar; be provided with the shaping chamber between fixed die plate and the movable mould board, the cover half subassembly is provided with damper assembly, damper assembly runs through fixed die plate and cover half seat from top to bottom in proper order, damper assembly is provided with spring holder, first pressure spring, first shock pad, shock attenuation ball, first slide, sleeve, second pressure spring, second slide, slider, second shock pad, third pressure spring.

By adopting the technical scheme, the die-casting die can be prevented from shaking in the working process, the shock absorption effect is achieved, pits are prevented from being generated on the surface of a product in the forming cavity, and the product percent of pass is improved.

The utility model discloses further set up to:

a sprue bush is arranged on the upper side of the fixed die assembly and communicated with the forming cavity through a runner; an ejection mechanism is arranged below the forming cavity, the ejection mechanism is installed on the upper side of a top plate, and the top plate is located inside the movable mold plate.

The utility model discloses further set up to:

the forming cavity is formed by combining relevant parts of a movable die assembly and a fixed die assembly, the top plate is in interference fit with the ejection mechanism, the lower side of the top plate is connected with a fixed push plate through a bolt, and the push plate is in the prior art and is not described in detail here.

By adopting the technical scheme, the ejection mechanism is adopted to realize the demoulding effect of the mould in the forming cavity.

The utility model discloses further set up to:

the fixed die holder is internally provided with a sleeve, the sleeve sequentially penetrates through the middle upper end of the fixed die holder and the fixed die plate from top to bottom, the sleeve is slidably connected with a sliding block, and the bottom end face of the sliding block is provided with a second sliding seat.

By adopting the technical scheme, the second sliding seat is driven by the sliding block to move inside the sleeve.

The utility model discloses further set up to:

the bottom end face of the second sliding seat is fixedly provided with a third compression spring, the other end of the third compression spring is installed on the upper side of a second shock pad, the second shock pad is fixedly installed inside the sleeve, the bottom end face of the second shock pad is fixedly provided with a second compression spring, the other end of the second compression spring is installed at the top end of the first sliding seat, and the first sliding seat is slidably installed inside the sleeve.

By adopting the technical scheme, through repeated shock absorption, the shock absorber can buffer the shock force, reduce the shock force and prevent shaking.

The utility model discloses further set up to:

be provided with first shock pad under the first slide, first shock pad fixed mounting is inside the sleeve, be provided with multiunit shock attenuation ball between first shock pad and the first slide, the shock attenuation ball adopts rubber materials to make.

Adopt above-mentioned technical scheme, utilize resilience and the shock attenuation ball of spring, cushion impact force, solve current striking and lead to the die casting die body to receive the problem of damage.

The utility model discloses further set up to:

the bottom end face of the first shock pad is provided with a first compression spring, the other end of the first compression spring is mounted on the upper side of a spring seat, and the spring seat is connected to the bottom end of the inner wall of a fixed die paneling of the fixed die assembly through a fastening bolt.

To sum up, the utility model discloses a beneficial technological effect does:

the utility model discloses a cooperation of multistage compression spring, shock attenuation ball and cushion socket is used, can carry out many times buffering to the impact force, from this, reduces the impact force, prevents to rock, solves current striking and leads to the die casting die body to receive the problem of damage, improves the qualification rate of product.

Drawings

FIG. 1 is a three-dimensional schematic view of an embodiment of the present invention;

fig. 2 is a schematic diagram of the overall structure of an embodiment of the present invention;

FIG. 3 is an enlarged schematic view of the direction A of an embodiment of the present invention

Fig. 4 is an enlarged schematic view of the direction B of an embodiment of the present invention.

Reference numerals are as follows:

1. a die casting die body; 2. a sprue bush; 3. a stationary die assembly; 4. a movable mold component; 5. a movable die holder; 6. moving the template; 7. a shock absorbing assembly; 071. a spring seat; 072. a first hold-down spring; 073. a first cushion; 074. a shock absorbing ball; 075. a first slider; 076. a sleeve; 078. a second hold-down spring; 8. a guide post; 9. an ejection mechanism; 10. a molding cavity; 11. fixing a template; 12. fixing a die holder; 14. A flow channel; 15. a top plate; 16. a second slide; 17. a slider; 18. a second cushion pad; 19. and a third hold-down spring.

Detailed Description

The present invention will now be described more fully hereinafter with reference to the accompanying examples.

Referring to the attached drawings 1-4, the die-casting die for the aluminum castings comprises a die-casting die body 1, wherein the die-casting die body 1 is formed by combining a movable die assembly 4 and a fixed die assembly 3, the fixed die assembly 3 is provided with a fixed die base 12 and a fixed die plate 11, the movable die assembly 4 is provided with a movable die base 5 and a movable die plate 6, the movable die plate 6 is arranged below the fixed die plate 11, and the fixed die plate 11 is connected with the movable die plate 6 through a guide pillar 8; be provided with between fixed die plate 11 and the movable mould board 6 and become die cavity 10, cover half subassembly 3 is provided with damper 7, damper 7 runs through fixed die plate 11 and fixed die seat 12 from top to bottom in proper order, damper is provided with spring holder 071, first pressure spring 072, first shock pad 073, shock attenuation ball 074, first slide 075, sleeve 076, second pressure spring 078, second slide 16, slider 17, second shock pad 18, third pressure spring 19.

As shown in fig. 2, the present embodiment provides an aluminum casting die-casting mold, which is characterized in that: a sprue bush 2 is arranged on the upper side of the fixed die assembly 3, and the sprue bush 2 is communicated with the forming cavity 10 through a runner 14; an ejection mechanism 9 is arranged below the molding cavity 10, the ejection mechanism 9 is arranged on the upper side of a top plate 15, and the top plate 15 is positioned in the movable mold plate 6; the molding cavity 10 is formed by combining relevant parts of the movable mold component 4 and the fixed mold component 3, the top plate 15 and the ejection mechanism 9 are in interference fit, the lower side of the top plate 15 is connected with a fixed push plate through a bolt, and the push plate is the prior art and is not described in detail herein; and the ejection mechanism 9 is adopted to realize the demoulding effect of the mould in the forming cavity 10.

As shown in fig. 4, the present embodiment provides an aluminum casting die-casting mold, which is characterized in that: a sleeve 076 is arranged in the fixed die holder 12, the sleeve 076 sequentially penetrates through the fixed die holder 12 and the middle upper end of the fixed die plate 11 from top to bottom, a sliding block 17 is connected in the sleeve 076 in a sliding manner, and a second sliding seat 16 is arranged on the bottom end face of the sliding block 17; the second carriage 16 is displaced inside the sleeve 076 by means of a slide 17.

As shown in fig. 4, the present embodiment provides an aluminum casting die-casting mold, which is characterized in that: a third compression spring 19 is fixedly arranged on the bottom end face of the second slide 16, the other end of the third compression spring 19 is arranged on the upper side of a second shock absorption pad 18, the second shock absorption pad 18 is fixedly arranged in a sleeve 076, a second compression spring 078 is fixedly arranged on the bottom end face of the second shock absorption pad 18, the other end of the second compression spring 078 is arranged at the top end of a first slide 075, and the first slide 075 is slidably arranged in the sleeve 076; through many times of shock absorption, realize the buffering to the impulsive force, reduce the impact force, prevent to rock.

As shown in fig. 4, the present embodiment provides an aluminum casting die-casting mold, which is characterized in that: a first damping pad 073 is arranged right below the first sliding seat 075, the first damping pad 073 is fixedly arranged inside a sleeve 076, a plurality of groups of damping balls 074 are arranged between the first damping pad 073 and the first sliding seat 075, and the damping balls 074 are made of rubber materials; utilize resilience and the shock attenuation ball of spring, cushion impact force, solve current striking and lead to the die casting die body to receive the problem of damage.

As shown in fig. 3, the present embodiment provides an aluminum casting die-casting mold, which is characterized in that: the bottom end face of the first shock pad 073 is provided with a first compression spring 072, the other end of the first compression spring 072 is arranged on the upper side of a spring seat 071, and the spring seat 071 is connected to the bottom end of the inner wall of the fixed mold paneling of the fixed mold assembly 3 through a fastening bolt.

The utility model discloses an use flow and theory of operation are:

when the aluminum alloy die-casting die is used, the die-casting die body 1 is installed on a die-casting machine, the fixed die component 3 and the movable die component 4 are matched, molten aluminum alloy liquid is injected into a sprue bush 2 of the die, the aluminum alloy liquid is pressed into a forming cavity through a punch of the die-casting machine, die opening is carried out after pressure maintaining and cooling, during die opening, the fixed die component 3 and the movable die component 4 are separated, after a set die opening stroke is reached, an ejection oil cylinder of the die-casting machine starts to work, an ejection mechanism of the die is driven by an ejector rod of the die-casting machine provided with the oil cylinder to eject out an aluminum alloy casting forming cavity, the aluminum alloy casting is taken out after the set ejection stroke is reached, then a spraying device of the die-casting machine can automatically spray cooling liquid to cool the die, then the fixed die component 3 and the movable die component 4 are matched, an ejection structure resets, and a die-casting period is completed.

The utility model discloses a when the drift of die casting machine pressed the aluminum alloy liquid into the shaping intracavity, the drift of die casting machine was pushed down and is produced a downward impact force this moment, lead to producing great vibrations through the impact force this moment, lead to the slider to slide in the sleeve inside, take place the displacement downwards, drive second slide 16 through slider 17 and slide in sleeve 076 inside, push down third pressure spring 19 through second slide 076, third pressure spring 19 produces a packing force this moment, if vibrations this moment are less, only need can carry out the shock attenuation through third pressure spring 19, cooperate second shock pad 18 to absorb most vibrations simultaneously, if the impact force that produces is great;

then great unabsorbed impact force produces an extrusion to the second shock pad, push down second pressure spring 078 through the second shock pad, second pressure spring 078 carries out the second grade bradyseism with the cooperation of first pressure spring this moment, and produce a decurrent packing force to second pressure spring 078, second pressure spring 078 promotes first slide 075 downstream this moment, the inside compression damping ball of cavity between first slide 075 and first shock pad 073, the damping ball extrudees deformation in the cavity this moment, cushion the impact force of production through the damping ball, use through the cooperation of foretell second grade shock attenuation and damping ball, can cushion the most impact force that produces in the actual work, the problem of the pit appears in most mould deformation and product surface that has solved most because the impact force leads to.

Simultaneously the utility model discloses an add first pressure spring 072 in first shock pad 073's bottom, remaining and small vibrations then carry out elastic buffer through second pressure spring to owing to add the shock pad in inside, through the setting of shock pad, the small vibrations that produce when can furthest's reduction pressure spring rebounds have improved the damping performance greatly, are furthest's protection to die casting mould body, improve the product percent of pass.

The above, only be the utility model discloses the embodiment of preferred does not restrict according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model should be covered within the protection scope of the utility model.

Claims

1. The die-casting die for the aluminum castings comprises a die-casting die body (1), wherein the die-casting die body (1) is formed by combining a movable die assembly (4) and a fixed die assembly (3), the fixed die assembly (3) is provided with a fixed die holder (12) and a fixed die plate (11), the movable die assembly (4) is provided with a movable die holder (5) and a movable die plate (6), the movable die plate (6) is arranged below the fixed die plate (11), and the fixed die plate (11) is in position connection with the movable die plate (6) through a guide pillar (8); be provided with between fixed die plate (11) and movable mould board (6) into die cavity (10), movable mould board (6) inside is provided with roof (15), its characterized in that: the fixed die component (3) is provided with a damping component (7), the damping component (7) sequentially penetrates through a fixed die plate (11) and a fixed die seat (12) from top to bottom, the damping component is provided with a spring seat (071), a first compression spring (072), a first damping pad (073), a damping ball (074), a first slide seat (075), a sleeve (076), a second compression spring (078), a second slide seat (16), a sliding block (17), a second damping pad (18) and a third compression spring (19), the sleeve (076) is arranged inside the fixed die seat (12), and the sleeve (076) sequentially penetrates through the middle upper end of the fixed die seat (12) and the fixed die plate (11) from top to bottom.

2. An aluminum casting die casting mold as claimed in claim 1, wherein: a sprue bush (2) is arranged on the upper side of the fixed die assembly (3), and the sprue bush (2) is communicated with the molding cavity (10) through a runner (14); an ejection mechanism (9) is arranged below the molding cavity (10), and the ejection mechanism (9) is installed on the upper side of the top plate (15).

3. An aluminum casting die casting mold as claimed in claim 1, wherein: the inner portion of the sleeve (076) is connected with a sliding block (17) in a sliding mode, and a second sliding seat (16) is arranged on the end face of the bottom of the sliding block (17).

4. An aluminium casting die casting mould as claimed in claim 1 or 3 wherein: the fixed third pressure spring (19) that is provided with of bottom terminal surface of second slide (16), the other end of third pressure spring (19) is installed in second shock pad (18) upside, second shock pad (18) fixed mounting is inside sleeve (076), the fixed second pressure spring (078) that is provided with of bottom terminal surface of second shock pad (18), the other end of second pressure spring (078) is installed on first slide (075) top, first slide (075) slidable mounting is inside sleeve (076).

5. An aluminium casting die casting mould as claimed in claim 4, wherein: be provided with first shock pad (073) under first slide (075), inside first shock pad (073) fixed mounting in sleeve (076), be provided with multiunit damping ball (074) between first shock pad (073) and first slide (075), damping ball (074) adopt rubber materials to make.

6. An aluminium casting die casting mould as claimed in claim 1 or 5 wherein: the bottom end face of the first shock pad (073) is provided with a first compression spring (072), the other end of the first compression spring (072) is installed on the upper side of a spring seat (071), and the spring seat (071) is connected to the bottom end of the inner wall of a fixed die paneling of the fixed die assembly (3) through a fastening bolt.