CN213671762U - Precise die-casting die for automobile parts - Google Patents

Abstract

The utility model discloses an automobile part precision die-casting die, which comprises a movable die holder and a fixed die holder, wherein the movable die is fixedly arranged at the middle part of the bottom end of the movable die holder, the fixed die is fixedly arranged at the middle part of the top end of the fixed die holder, two ejection mechanisms are arranged between the movable die holder and the fixed die holder, each ejection mechanism comprises a fixed seat, a sliding seat, a fixed plate and a second ejection column, the fixed seat is fixedly arranged at one side of the bottom end of the movable die holder, and the sliding seat is slidably arranged at one side of the top end; the utility model has the advantages that: the utility model relates to an accurate die casting die of auto parts can be ejecting with the auto parts in the die cavity when the die sinking through two second fore-posts of bottom slidable mounting in fixed mould inner to auto parts's drawing of patterns, the second fore-post can move down under the thrust effect of second spring during the compound die, in order to prevent influencing going on of die-casting process, drives through the drive mode of guide pillar and slope circular slot to one side, and the synchronism is higher, convenient to use.

Description

Precise die-casting die for automobile parts

Technical Field

The utility model relates to a die casting die, in particular to accurate die casting die of auto parts.

Background

The precision die-casting mould for automobile parts is a tool for casting metal automobile parts, and is a tool for completing a die-casting process on a special die-casting mould forging machine, and the basic process of die-casting comprises the following steps: molten metal is cast at low speed or high speed and filled into a cavity of a die, the die is provided with a movable cavity surface, and the molten metal is pressurized and forged along with the cooling process of the molten metal, so that the defects of shrinkage cavity and shrinkage porosity of a blank are eliminated, the internal structure of the blank reaches broken crystal grains in a forging state, the comprehensive mechanical property of the blank is obviously improved, a die-casting product is remained in the cavity after the common precision die-casting die for automobile parts is die-cast, and the die-casting product is troublesome to take out because the cavity is sunken.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a car parts precision die casting die to solve the more troublesome problem when the accurate die casting die casting product of common car parts that proposes in the above-mentioned background art takes out.

In order to achieve the above object, the utility model provides a following technical scheme: a precise die-casting die for automobile parts comprises a movable die holder and a fixed die holder, wherein a movable die is fixedly mounted in the middle of the bottom end of the movable die holder, a fixed die is fixedly mounted in the middle of the top end of the fixed die holder, two ejection mechanisms are arranged between the movable die holder and the fixed die holder, each ejection mechanism comprises a fixed seat, a slide seat, a fixed plate and a second ejection column, the fixed seats are fixedly mounted on one side of the bottom end of the movable die holder, the slide seats are slidably mounted on one side of the top end of the fixed die holder, inclined guide columns are fixedly mounted at the bottom ends of the fixed seats, inclined circular grooves are formed in the inner ends of the slide seats, the slide seats are fixedly connected with the fixed plates through first springs, first ejection columns are fixedly mounted on the side walls of the slide seats, away from the fixed plates, the second ejection columns are slidably mounted on one side of the top ends of the fixed die holders, the outer wall fixed mounting of second fore-set has the stopper, the top fixed mounting of stopper has the second spring.

As an optimal technical scheme of the utility model, two liftout mechanism sets up for the symmetry.

As a preferred technical scheme of the utility model, the contact surface of first fore-set and second fore-set sets up to the slope form.

As an optimized technical scheme of the utility model, oblique guide pillar and slope circular slot looks adaptation.

As an optimal technical scheme of the utility model, the top of deciding the mould is provided with the die cavity, the top of second fore-set extends to the bottom of die cavity inner.

As a preferred technical scheme of the utility model, the equal fixed mounting in four corners of movable mould base bottom has the sleeve, the equal fixed mounting in four corners on fixed mould base top has straight guide pillar, four the sleeve respectively with four straight guide pillar one-to-one sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an accurate die casting die of auto parts can be ejecting with the auto parts in the die cavity when the die sinking through two second fore-posts of bottom slidable mounting in fixed mould inner to auto parts's drawing of patterns, the second fore-post can move down under the thrust effect of second spring during the compound die, in order to prevent influencing going on of die-casting process, drives through the drive mode of guide pillar and slope circular slot to one side, and the synchronism is higher, convenient to use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic sectional structure of the present invention;

fig. 3 is an enlarged schematic view of a portion a of fig. 2.

In the figure: 1. a movable die holder; 2. fixing a die holder; 3. moving the mold; 4. fixing a mold; 401. a mold cavity; 5. a material ejecting mechanism; 51. a fixed seat; 52. a slide base; 521. an inclined circular groove; 53. a fixing plate; 54. an inclined guide post; 55. a first spring; 56. a first top pillar; 57. a second top pillar; 58. a limiting block; 59. a second spring; 6. a sleeve; 7. and (6) a straight guide post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a precision die casting mold for automobile parts, which comprises a movable mold base 1 and a fixed mold base 2, wherein a movable mold 3 is fixedly installed at the middle of the bottom end of the movable mold base 1, a fixed mold 4 is fixedly installed at the middle of the top end of the fixed mold base 2, two material ejecting mechanisms 5 are arranged between the movable mold base 1 and the fixed mold base 2, each material ejecting mechanism 5 comprises a fixed seat 51, a sliding seat 52, a fixed plate 53 and a second ejection column 57, the fixed seat 51 is fixedly installed at one side of the bottom end of the movable mold base 1, the sliding seat 52 is slidably installed at one side of the top end of the fixed mold base 2, the fixed plate 53 is fixedly installed at one side of the top end of the fixed mold base 2, an inclined guide pillar 54 is fixedly installed at the bottom end of the fixed seat 51, an inclined circular groove 521 is arranged at the inner end of the sliding, the oblique guide pillar 54 is taken out from the oblique circular groove 521 gradually during the die sinking, the slide 52 gradually moves towards the fixed die 4 during the taking out, the slide 52 and the fixed plate 53 are fixedly connected through the first spring 55, the side wall fixed mounting that the slide 52 is far away from the fixed plate 53 is provided with the first top pillar 56, the second top pillar 57 is slidably mounted on one side of the top end of the fixed die 4, the bottom end of the second top pillar 57 is contacted with one end of the first top pillar 56, the outer wall fixed mounting of the second top pillar 57 is provided with the limiting block 58, and the top end of the limiting block 58 is fixedly provided with the second spring 59.

Preferably, two liftout mechanisms 5 are the symmetry setting, thereby the time second fore-set 57 can be better ejecting die-casting products, the contact surface of first fore-set 56 and second fore-set 57 sets up to the slope form, the design of slope form makes first fore-set 56 can promote second fore-set 57 rebound when moving towards second fore-set 57, oblique guide pillar 54 and slope circular slot 521 looks adaptation, the top of fixed mould 4 is provided with die cavity 401, the top of second fore-set 57 extends to the bottom of die cavity 401 the inner, make two second fore-sets 57 can be ejecting die-casting products in die cavity 401 during the die sinking, the equal fixed mounting in four corners of movable mould seat 1 bottom has sleeve 6, the equal fixed mounting in four corners on fixed mould seat 2 top has straight guide pillar 7, four sleeve 6 respectively with four straight guide pillar 7 one-to-one sliding connection, thereby play the effect of direction.

When specifically using, the utility model relates to a precision die casting die for automobile parts, oblique guide pillar 54 inserts the slope circular slot 521 gradually during the compound die, along with oblique guide pillar 54's insertion, slide 52 removes towards fixed plate 53 gradually, thereby drive first fore-set 56 and remove, make the bottom restriction of second fore-set 57 relieve, second fore-set 57 moves down gradually under the thrust effect of second spring 59, make the top of second fore-set 57 and the diapire parallel and level of die cavity 401, then can carry out die-casting, carry out the die sinking after the die-casting is accomplished, oblique guide pillar 54 is taken out from slope circular slot 521 gradually during the die sinking, slide 52 removes towards fixed die utensil 4 gradually when taking out, thereby drive first fore-set 56 and remove, first fore-set 56 pushes up second fore-set 57 upwards gradually, make second fore-set 57 ejecting with the die casting product in the die cavity 401 ejecting.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The precise die-casting die for the automobile parts comprises a movable die holder (1) and a fixed die holder (2), and is characterized in that a movable die (3) is fixedly mounted at the middle of the bottom end of the movable die holder (1), a fixed die (4) is fixedly mounted at the middle of the top end of the fixed die holder (2), two ejection mechanisms (5) are arranged between the movable die holder (1) and the fixed die holder (2), each ejection mechanism (5) comprises a fixed seat (51), a sliding seat (52), a fixed plate (53) and a second ejection column (57), the fixed seats (51) are fixedly mounted on one side of the bottom end of the movable die holder (1), the sliding seats (52) are slidably mounted on one side of the top end of the fixed die holder (2), the fixed plates (53) are fixedly mounted on one side of the top end of the fixed die holder (2), oblique guide columns (54) are fixedly mounted at the bottom ends of the fixed seats (51), inclined circular grooves (, slide (52) and fixed plate (53) are through first spring (55) fixed connection, the lateral wall fixed mounting that fixed plate (53) were kept away from in slide (52) has first fore-set (56), second fore-set (57) slidable mounting is in one side on fixed mould (4) top, the bottom of second fore-set (57) contacts with the one end of first fore-set (56), the outer wall fixed mounting of second fore-set (57) has stopper (58), the top fixed mounting of stopper (58) has second spring (59).

2. The precision die-casting die for the automobile parts as claimed in claim 1, wherein: the two material ejecting mechanisms (5) are symmetrically arranged.

3. The precision die-casting die for the automobile parts as claimed in claim 1, wherein: the contact surface between the first top pillar (56) and the second top pillar (57) is inclined.

4. The precision die-casting die for the automobile parts as claimed in claim 1, wherein: the inclined guide post (54) is matched with the inclined circular groove (521).

5. The precision die-casting die for the automobile parts as claimed in claim 1, wherein: and a die cavity (401) is arranged at the top end of the fixed die (4), and the top of the second top column (57) extends to the bottom of the inner end of the die cavity (401).

6. The precision die-casting die for the automobile parts as claimed in claim 1, wherein: four corners of the bottom end of the movable die holder (1) are fixedly provided with sleeves (6), four corners of the top end of the fixed die holder (2) are fixedly provided with straight guide posts (7), and the four sleeves (6) are respectively in one-to-one corresponding sliding connection with the four straight guide posts (7).

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