CN108097916B - Ultrahigh-requirement die-casting die for automobile structural part - Google Patents

Ultrahigh-requirement die-casting die for automobile structural part Download PDF

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Publication number
CN108097916B
CN108097916B CN201810096142.0A CN201810096142A CN108097916B CN 108097916 B CN108097916 B CN 108097916B CN 201810096142 A CN201810096142 A CN 201810096142A CN 108097916 B CN108097916 B CN 108097916B
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China
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die
casting
frame
fixed
movable
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CN108097916A (en
Inventor
陶诚
陈国军
何凤华
匡中华
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Chongqing Minglida Technology Co.,Ltd.
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SHENZHEN MINGLIDA PRECISION MACHINERY CO Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D17/00Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
    • B22D17/20Accessories: Details
    • B22D17/22Dies; Die plates; Die supports; Cooling equipment for dies; Accessories for loosening and ejecting castings from dies
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B22CASTING; POWDER METALLURGY
    • B22DCASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
    • B22D18/00Pressure casting; Vacuum casting
    • B22D18/02Pressure casting making use of mechanical pressure devices, e.g. cast-forging

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

Abstract

The embodiment of the invention discloses an ultrahigh-requirement automobile structural part die-casting die which comprises a base, a base plate, a fixed die frame, a movable die core, a fixed die core, a cavity, a cooling pipeline, a vacuum pump, an exhaust pipe, a connecting pipe, a square through hole, a first electric push rod, a round rod, a through hole, a notch, a positioning hole, a positioning block, a sprue bush, a fixing block, a second electric push rod, a groove, an electromagnet, a spring and a sliding block, wherein the base is provided with a groove; the vacuum pump has the advantages that the structure is reasonable, the design is novel, the gas in the cavity can be effectively pumped out through the vacuum pump, and the gas in the die casting can be reduced, so that the mechanical property and the surface quality of the die casting can be improved; the die casting can be separated from the movable die core and the fixed die core through the first electric push rod and the second electric push rod, convenience is provided for taking out the die casting, the time for taking out the die casting is saved, and the labor intensity of workers is reduced.

Description

Ultrahigh-requirement die-casting die for automobile structural part
Technical Field
The invention relates to the technical field of die-casting molds, in particular to a die-casting mold for an automobile structural part with ultrahigh requirements.
Background
The die casting die is a method for casting liquid forging, a process completed on a special die casting die forging machine; the basic process comprises the following steps: molten metal is cast at low speed or high speed and filled into the cavity of the mold, the mold has movable cavity surface, and it is pressurized and forged along with the cooling process of the molten metal, so that the shrinkage cavity and shrinkage porosity defects of the blank are eliminated, and the internal structure of the blank reaches the broken crystal grains in the forged state.
When the die-casting die is used for die-casting, air in the cavity can cause bubbles to be generated inside a die-casting piece, and the mechanical property of the die-casting piece can be influenced; when the die is opened, the die casting in the die cavity may be adhered to the moving die core and the fixed die core, and the die casting may be difficult to take out. Therefore, the die-casting die for the automotive structural part with the ultrahigh requirement is provided for solving the problems.
Disclosure of Invention
The embodiment of the invention discloses an ultrahigh-requirement automobile structural member die-casting die, which is used for solving the problem that gas in a cavity can generate bubbles in a die-casting piece and possibly influence the mechanical property of the die-casting piece when the die-casting die is used; when the die is opened, the die casting in the die cavity may be adhered to the movable die core and the fixed die core, and the die casting may be difficult to take out.
The embodiment of the invention provides an ultrahigh-requirement die-casting die for an automobile structural part, which comprises a base and a base plate fixedly connected to the top surface of the base, wherein a fixed die frame is fixedly connected to the top of the base plate, a movable die frame is arranged at the top of the fixed die frame, a fixed die core is embedded on the top surface of the fixed die frame, a movable die core is embedded on the bottom surface of the movable die frame, a cavity is formed between the fixed die core and the movable die core, cooling pipelines are embedded in the fixed die core and the movable die core and communicated with the outside, a vacuum pump is fixedly arranged on the top surface of the base, an exhaust pipe is sleeved at the output end of the vacuum pump and communicated with a connecting pipe, a plurality of square through holes are formed in the bottom surface of the fixed die frame and communicated with the inside of the cavity, the connecting pipe is communicated with the square through holes, a, an electromagnet and a spring are fixedly connected inside the groove, and a sliding block is fixedly connected at the tail end of the spring;
the utility model discloses a die casting machine, including movable mould frame, fixed.
Preferably, both sides of the top of the fixed mold frame and both sides of the bottom of the movable mold frame are provided with notches.
Preferably, the connecting pipe is of a circular ring structure and is fixedly connected to the bottom of the fixed die frame.
Preferably, the number of the backing plates is two, and the two backing plates are perpendicular to the base.
Preferably, the tail end of the electromagnet is tightly attached to the side wall of the sliding block.
Preferably, the through hole is communicated with the inside of the cavity, and the through hole is vertically arranged with the fixed die frame and the movable die frame.
Preferably, the fixed blocks are of an L-shaped structure, and the number of the fixed blocks is two.
Preferably, the positioning block and the positioning hole are both in a circular truncated cone structure.
Preferably, the surface of the base is provided with mounting holes.
Preferably, the number of the springs is two, and the two springs are symmetrical about the electromagnet.
According to the technical scheme, the embodiment of the invention has the following advantages:
in the embodiment, the device is reasonable in structure and novel in design, gas in the cavity can be effectively pumped out through the vacuum pump, and gas in the die casting can be eliminated or reduced, so that the mechanical property and the surface quality of the die casting can be improved, after the gas in the cavity is removed through the vacuum pump, the square through hole can be plugged through the sliding block and the spring, and the quality of the die casting is guaranteed; the device is rational in infrastructure, and the modern design can make die casting and movable mould benevolence and the separation of die casting core through first electric putter and second electric putter, for taking out of die casting provides convenience, has practiced thrift the time of taking out of die casting, has reduced staff's intensity of labour.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of an ultra-high requirement die-casting mold for automotive structural members provided in an embodiment of the present invention;
FIG. 2 is a schematic partial enlarged structural view of a portion A of the die-casting mold for the ultra-high-requirement automotive structural member, provided in an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a fixed mold frame bottom in the die-casting mold for the ultra-high requirement automobile structural member provided in the embodiment of the invention.
Illustration of the drawings: 1. the base, 2, backing plate, 3, die holder, 4, movable mould frame, 5, movable mould benevolence, 6, die holder benevolence, 7, die cavity, 8, cooling tube, 9, vacuum pump, 10, exhaust tube, 11, connecting pipe, 12, square through hole, 13, first electric putter, 14, round bar, 15, through-hole, 16, breach, 17, locating hole, 18, locating piece, 19, runner cover, 20, fixed block, 21, second electric putter, 22, recess, 23, electro-magnet, 24, spring, 25, slider.
Detailed Description
The embodiment of the invention discloses an ultrahigh-requirement automobile structural member die-casting die, which is used for solving the problem that gas in a cavity can generate bubbles in a die-casting piece and possibly influence the mechanical property of the die-casting piece when the die-casting die is used; when the die is opened, the die casting in the die cavity may be adhered to the movable die core and the fixed die core, and the die casting may be difficult to take out.
In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 3, an embodiment of a die-casting mold for an ultra-high requirement automotive structural member provided in an embodiment of the present invention includes:
the base 1 and the backing plate 2 fixedly connected to the top surface of the base 1, the backing plate 2 provides support for the fixed die frame 3, the backing plate 2 is fixedly connected to the top of the fixed die frame 3, the movable die frame 4 is arranged at the top of the fixed die frame 3, the fixed die core 6 is embedded on the top surface of the fixed die frame 3, the movable die core 5 is embedded on the bottom surface of the movable die frame 4, a cavity 7 is formed between the fixed die core 6 and the movable die core 5, cooling pipelines 8 are embedded inside the fixed die core 6 and the movable die core 5, the cooling pipelines 8 are communicated with the outside, the cooling pipelines 8 are connected with an external water pipe, the fixed die core 6 and the movable die core 5 can be cooled, a vacuum pump 9 is fixedly arranged on the top surface of the base 1, an exhaust pipe 10 is sleeved at the output end of the vacuum pump 9, the exhaust pipe 10 is communicated with a connecting pipe 11, a plurality of square through, the gas in the cavity 7 can be discharged, the connecting pipe 11 is communicated with the square through hole 12, a groove 22 is formed in one side of the square through hole 12, the groove 22 is communicated with the square through hole 12, an electromagnet 23 and a spring 24 are fixedly connected inside the groove 22, a sliding block 25 is fixedly connected to the tail end of the spring 24, the sliding block 25 is made of metal iron, and the electromagnet 23 can suck the sliding block 25;
a sprue bush 19 is embedded in the middle of the movable mould frame 4, the sprue bush 19 is communicated with the inside of the cavity 7, the casting can be carried out through a sprue bush 19, a positioning hole 17 is arranged on the surface of the top of the fixed die frame 3, a positioning block 18 is fixedly connected with the surface of the bottom of the movable die frame 4, and the positioning block 18 is matched and connected with the positioning hole 17, the positioning block 18 and the positioning hole 17 are used for positioning the fixed die frame 3 and the movable die frame 4, a first electric push rod 13 is fixedly connected on the surface of the top of the base 1, a fixed block 20 is fixedly connected on the top of the movable die carrier 4, the fixed block 20 is fixedly connected with a second electric push rod 21, the tail ends of the first electric push rod 13 and the second electric push rod 21 are fixedly connected with a round rod 14, the fixed die frame 3 and the movable die frame 4 are both provided with through holes 15, the round rod 14 is matched and connected with the through holes 15, when the die is opened, the die casting in the cavity 7 can be pushed to separate the die casting from the fixed die core 6 and the movable die core 5.
As a technical optimization scheme of the invention, notches 16 are formed in both sides of the top of the fixed die frame 3 and both sides of the bottom of the movable die frame 4, so that convenience is provided for die opening.
As a technical optimization scheme of the present invention, the connecting pipe 11 is a circular ring structure, and the connecting pipe 11 is fixedly connected to the bottom of the fixed mold frame 3, and can provide fixation for the connecting pipe 11.
As a technical optimization scheme of the invention, the number of the base plates 2 is two, the two base plates 2 are both perpendicular to the base 1, and the base 1 fixes and stabilizes the fixed mold frame 3.
As a technical optimization scheme of the invention, the tail end of the electromagnet 23 is tightly attached to the side wall of the sliding block 25, the electromagnet 23 can suck the sliding block 25, and the square through hole 12 is communicated with the cavity 7 when the vacuum pump 9 exhausts air.
As a technical optimization scheme of the invention, the through hole 15 is communicated with the inside of the cavity 7, and the through hole 15 is vertically arranged with the fixed die frame 3 and the movable die frame 4, so that the round rod 14 can conveniently push out the die casting.
As a technical optimization scheme of the present invention, the fixing blocks 20 are L-shaped, the number of the fixing blocks 20 is two, and the fixing blocks 20 fix the second electric push rod 21.
As a technical optimization scheme of the invention, the positioning block 18 and the positioning hole 17 are both in a circular truncated cone structure, so that the positioning of the fixed die frame 3 and the movable die frame 4 is facilitated.
As a technical optimization scheme of the invention, the surface of the base 1 is provided with mounting holes, and the base 1 can be mounted through the mounting holes.
As a technical optimization of the present invention, the number of the springs 24 is two, and the two springs 24 are symmetrical about the electromagnet 23, and the springs 24 can provide elastic force for the slider 25.
When the die-casting device is used, the first electric push rod 13, the second electric push rod 21, the vacuum pump 9 and the electromagnet 23 are externally connected with a power supply and an external control switch, the base 1 is installed on a die-casting machine through the installation hole, the positioning hole 17 and the positioning block 18 are used for positioning, the movable die frame 4 is installed on the fixed die frame 3, when die-casting is carried out, the vacuum pump 9 extracts gas in the die cavity 7, the gas is discharged through the square through hole 12, the connecting pipe 11 and the exhaust pipe 10 in sequence, after the discharge is finished, the electromagnet 23 is powered off, and the spring 24 enables the sliding block 25 to block the square through hole; after the die casting is finished, the fixed die frame 3 and the movable die frame 4 can be pried through the notch 16; the first electric push rod 13 and the second electric push rod 21 can push the round rod 14 through extension, so that the die casting is separated from the movable die core 5 and the fixed die core 6, and convenience is provided for taking out the die casting.
While the die-casting mold for automotive structural parts with ultra-high requirements provided by the present invention has been described in detail, for those skilled in the art, according to the idea of the embodiment of the present invention, the specific implementation manner and the application scope may be changed, and in summary, the content of the present specification should not be construed as limiting the present invention.

Claims (10)

1. The die-casting die for the automobile structural part with the ultrahigh requirement is characterized by comprising a base (1) and a base plate (2) fixedly connected to the surface of the top of the base (1), wherein a fixed die frame (3) is fixedly connected to the top of the base plate (2), a movable die frame (4) is arranged at the top of the fixed die frame (3), a fixed die core (6) is embedded on the surface of the top of the fixed die frame (3), a movable die core (5) is embedded on the surface of the bottom of the movable die frame (4), a cavity (7) is formed between the fixed die core (6) and the movable die core (5), cooling pipelines (8) are embedded in the fixed die core (6) and the movable die core (5), the cooling pipelines (8) are communicated with the outside, a vacuum pump (9) is fixedly installed on the surface of the top of the base (1), an exhaust pipe (10) is sleeved at the output end of the, the bottom surface of the fixed die frame (3) is provided with a plurality of square through holes (12), the square through holes (12) are communicated with the inside of the die cavity (7), the connecting pipe (11) is communicated with the square through holes (12), one side of each square through hole (12) is provided with a groove (22), the grooves (22) are communicated with the square through holes (12), the inside of each groove (22) is fixedly connected with an electromagnet (23) and a spring (24), and the tail end of each spring (24) is fixedly connected with a sliding block (25);
runner cover (19) are inlayed in movable mould frame (4) middle part, and runner cover (19) and die cavity (7) inside intercommunication, it has locating hole (17) to decide mould frame (3) top surface to open, movable mould frame (4) bottom surface rigid coupling has locating piece (18), and locating piece (18) are connected with locating hole (17) cooperation, base (1) top surface rigid coupling has first electric putter (13), movable mould frame (4) top rigid coupling has fixed block (20), fixed block (20) rigid coupling has second electric putter (21), first electric putter (13) and the terminal equal rigid coupling of second electric putter (21) have round bar (14), it has through-hole (15) all to open mould frame (3) and movable mould frame (4), round bar (14) are connected with through-hole (15) cooperation.
2. The ultra-high requirement automobile structural member die-casting die as claimed in claim 1, wherein notches (16) are formed on both sides of the top of the fixed die frame (3) and both sides of the bottom of the movable die frame (4).
3. The ultra-high requirement automobile structural member die-casting mold as claimed in claim 1, wherein the connecting pipe (11) is of a circular ring type structure, and the connecting pipe (11) is fixedly connected to the bottom of the fixed mold frame (3).
4. The ultra-high requirement automobile structural member die-casting die as claimed in claim 1, wherein the number of the backing plates (2) is two, and the two backing plates (2) are both arranged perpendicular to the base (1).
5. The ultra-high requirement automobile structural member die-casting die as claimed in claim 1, wherein the tail end of the electromagnet (23) is tightly attached to the side wall of the sliding block (25).
6. The ultra-high requirement automobile structural member die-casting die as claimed in claim 1, wherein the through hole (15) is communicated with the inside of the cavity (7), and the through hole (15) is vertically arranged with the fixed die frame (3) and the movable die frame (4).
7. The ultra-high requirement automobile structural member die-casting die as claimed in claim 1, wherein the fixing blocks (20) are of L-shaped structures, and the number of the fixing blocks (20) is two.
8. The ultra-high requirement automobile structural member die-casting die as claimed in claim 1, wherein the positioning block (18) and the positioning hole (17) are of a truncated cone structure.
9. The ultra-high requirement automobile structural member die-casting mold as claimed in claim 1, wherein the surface of the base (1) is provided with mounting holes.
10. The ultra-high requirement automotive structural member die-casting mold as claimed in claim 1, wherein the number of the springs (24) is two, and the two springs (24) are symmetrical about the electromagnet (23).
CN201810096142.0A 2018-01-31 2018-01-31 Ultrahigh-requirement die-casting die for automobile structural part Active CN108097916B (en)

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CN201810096142.0A CN108097916B (en) 2018-01-31 2018-01-31 Ultrahigh-requirement die-casting die for automobile structural part

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Application Number Priority Date Filing Date Title
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CN108097916B true CN108097916B (en) 2020-02-04

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Address after: 518000 floor 4, Qinghua Information Port scientific research building, west side of South Gate, No. 13, Langshan Road, songpingshan community, Xili street, Nanshan District, Shenzhen City, Guangdong Province

Patentee after: Shenzhen minglida Precision Technology Co.,Ltd.

Address before: 518000, Shenzhen, Guangdong, Nanshan District, Nantou, Shennan Avenue and former sea, southeast corner coast times apartment west room 1105

Patentee before: SHENZHEN MINGLIDA PRECISION MACHINERY Co.,Ltd.

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Inventor after: Li Yanyan

Inventor after: Tao Cheng

Inventor after: Chen Guojun

Inventor after: He Fenghua

Inventor after: Kuang Zhonghua

Inventor before: Tao Cheng

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Address before: 518000 4th floor, Qinghua Information Port scientific research building, west side of South Gate, No.13, Langshan Road, songpingshan community, Xili street, Nanshan District, Shenzhen City, Guangdong Province

Patentee before: Shenzhen minglida Precision Technology Co.,Ltd.

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