CN211438048U

CN211438048U - Spiral core-pulling mechanism for die-casting mold

Info

Publication number: CN211438048U
Application number: CN202020084671.1U
Authority: CN
Inventors: 谢建辉
Original assignee: Dongguan Jingming Hardware Technology Co ltd
Current assignee: Dongguan Jingming Hardware Technology Co ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2020-09-08
Anticipated expiration: 2030-01-15

Abstract

The utility model discloses a die casting mould spiral mechanism of loosing core, including the structure of loosing core die board, the fixed lid in structure of loosing core die board left side has closed cavity mould benevolence, looses core structure cavity mould board middle part level and has seted up the rectangle notch left, is located the vertical downward fixed mounting in structure of loosing core die board upper portion intermediate position has the cylinder, terminal surface fixedly connected with peg graft pole under the piston rod of cylinder. The utility model discloses a driving the piston rod when the cylinder and reseing the rebound after, when the peg graft pole breaks away from the connecting block of loosing core completely, the connecting block of loosing core drives it and resets right under two reset spring's elasticity reset condition to form nimble effect of loosing core, it is with low costs.

Description

Spiral core-pulling mechanism for die-casting mold

Technical Field

The utility model relates to a die mould technical field specifically is a die mould spiral mechanism of loosing core.

Background

Currently, die casting molds are a large class of molds, which is a method for casting liquid forging, a process that is performed on a dedicated die casting and 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. With the rapid development of automobile and motorcycle industry in China, the die-casting industry is in a new development period, and simultaneously, higher requirements on the comprehensive mechanical property, the service life and the like of a die-casting die are provided.

A spiral core-pulling mechanism of a die-casting mold in the prior art is generally provided with a complex oil cylinder pulling mechanism, the structure is complex, the use and maintenance cost is too high, and the actual popularization of products is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a die mould spiral mechanism of loosing core has solved the problem that proposes among the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a die-casting die spiral core pulling mechanism comprises a core pulling structure female die plate, a female die core is fixedly covered on the left side of the core pulling structure female die plate, a rectangular notch is horizontally formed in the middle of the core pulling structure female die plate leftwards, an air cylinder is vertically and fixedly installed downwards at the middle position of the upper portion of the core pulling structure female die plate, an inserting rod is fixedly connected to the lower end face of a piston rod of the air cylinder, a core pulling connecting block is movably placed in the rectangular notch, and a vertical through hole is formed in the upper portion of the core pulling connecting block;

the insertion rod vertically penetrates through the vertical through hole; a through hole is horizontally formed in the right side wall of the core-pulling structure female die plate positioned in the middle of the right side of the rectangular notch, a limiting rod movably penetrates through the through hole, and the left end face of the limiting rod is fixedly connected with the middle position of the right side wall of the core-pulling connecting block; the upper portion and the lower portion of the right side wall of the core-pulling connecting block are fixedly connected with the inner wall of the rectangular notch of the core-pulling structure female die plate through a return spring.

As a preferred embodiment of the present invention, the vertical opening left side wall is opened to an inclined plane.

As an optimal implementation mode of the utility model, the opening has been seted up with the vertical alignment of rectangle notch to the structure die plate upper portion intermediate position of loosing core.

As an optimal implementation mode of the utility model, loose core connecting block right side wall and reset spring head end fixed connection, and reset spring tail end and the rectangle notch inner wall fixed connection of the structure mother board of loosing core.

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

1. the utility model discloses a driving the piston rod when the cylinder and reseing the rebound after, when the peg graft pole breaks away from the connecting block of loosing core completely, the connecting block of loosing core drives it and resets right under two reset spring's elasticity reset condition to form nimble effect of loosing core, it is with low costs.

2. The utility model discloses because vertical opening left side wall is opened and is established to the inclined plane, this inclined plane can be guaranteed under the condition that the connecting block of loosing core resets, and the inclined plane is vertical to be aligned with the peg graft pole, and when later stage peg graft pole descends and inclined plane formation extrusion, the connecting block of will loosing core removes left in the rectangular channel, and the mechanism of loosing core is very convenient and fast.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic view of the overall structure of a spiral core-pulling mechanism for die-casting molds according to the present invention;

fig. 2 is the utility model relates to a die mould spiral mechanism of loosing core connecting block of loosing core overlooks the structure sketch map.

In the figure: core-pulling structure female die plate 1, perforation 2, limiting rod 3, rectangular notch 4, reset spring 5, core-pulling connecting block 6, inclined plane 7, female die core 8, piston rod 9, cylinder 10, insertion rod 11, vertical through hole 12 and through hole 13.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention; in the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected" and "disposed" are to be construed broadly, and may for example be fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-2, the present invention provides a technical solution: a die-casting die spiral core-pulling mechanism comprises a core-pulling structure female die plate 1, a female die core 8 is fixedly covered on the left side of the core-pulling structure female die plate 1, a rectangular notch 4 is horizontally formed in the middle of the core-pulling structure female die plate 1 leftwards, an air cylinder 10 is vertically and fixedly installed downwards at the middle position of the upper portion of the core-pulling structure female die plate 1, an insertion rod 11 is fixedly connected to the lower end face of a piston rod 9 of the air cylinder 10, a core-pulling connecting block 6 is movably placed in the rectangular notch 4, and a vertical through hole 12 is vertically and downwards communicated;

the inserting rod 11 vertically penetrates through the vertical through hole 12; a through hole 2 is horizontally formed in the right side wall of the core-pulling structure mother template 1 positioned in the middle of the right side of the rectangular notch 4, a limiting rod 3 movably penetrates through the through hole 2, and the left end face of the limiting rod 3 is fixedly connected with the middle position of the right side wall of the core-pulling connecting block 6; the upper part and the lower part of the right side wall of the core-pulling connecting block 6 are fixedly connected with the inner wall of a rectangular notch 4 of the core-pulling structure mother template 1 through a return spring 5; after the cylinder 10 drives the piston rod 9 to reset and move upwards, when the insertion rod 11 is completely separated from the core-pulling connecting block 6, the core-pulling connecting block 6 drives the core-pulling connecting block to reset rightwards under the elastic resetting condition of the two reset springs 5, so that a flexible core-pulling effect is formed, and the cost is low.

In this embodiment, 12 left side walls of vertical through hole are opened and are established to inclined plane 7, and this inclined plane 7 can guarantee under the condition that connecting block 6 resets of loosing core, and inclined plane 7 and the vertical alignment of peg graft pole 11, when later stage peg graft pole 11 descends and inclined plane 7 formation extrusion, will loose core connecting block 6 to the left removal in rectangle notch 4, the mechanism of loosing core is very convenient and fast.

In this embodiment, 1 upper portion intermediate position of structure mother board of loosing core has seted up through 13 with the vertical alignment of rectangle notch 4, and this through 13 can guarantee that 9 nimble flexible in through 13 of piston rod stretch out and draw back and can not take place to rock.

In this embodiment, 6 right side walls of loose core connecting block and 5 head ends fixed connection of reset spring, and 5 tail ends of reset spring and 4 inner wall fixed connection of rectangle notch of structure mother board 1 of loosing core, concrete connected mode can be for the lock joint or through the bolt fastening, and prior art has disclosed earlier, does not describe herein repeatedly.

When a die mould spiral mechanism of loosing core used, it is required to explain, the utility model relates to a die mould spiral mechanism of loosing core, including structure matrix board 1 of loosing core, perforation 2, gag lever post 3, rectangle notch 4, reset spring 5, the connecting block 6 of loosing core, inclined plane 7, matrix benevolence 8, piston rod 9, cylinder 10, peg graft pole 11, vertical opening 12, opening 13, the part is the part that general standard component or technical personnel in the field know, and its structure and principle all are that this technical personnel all can learn through the technical manual or learn through conventional experimental approach.

During the use, drive piston rod 9 back of upwards moving that resets when cylinder 10, when peg graft pole 11 breaks away from the connecting block of loosing core 6 completely, the connecting block of loosing core 6 drives its right side under two reset spring 5's elasticity reset condition and resets, thereby form nimble effect of loosing core, low cost, vertical opening 12 left side wall is opened and is established to inclined plane 7, this inclined plane 7 can be guaranteed under the condition that the connecting block of loosing core 6 resets, inclined plane 7 and peg graft pole 11 are vertical to be aligned, when later stage peg graft pole 11 descends and inclined plane 7 form the extrusion, the connecting block of loosing core 6 is to the left socle 4 internal displacement, the mechanism of loosing core is very convenient and fast.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a die mould spiral mechanism of loosing core, is including structure female die plate (1) of loosing core, its characterized in that: the core pulling structure female die plate (1) is fixedly covered with a female die core (8) on the left side, a rectangular notch (4) is horizontally formed in the middle of the core pulling structure female die plate (1) leftwards, an air cylinder (10) is vertically and fixedly installed downwards at the middle position of the upper portion of the core pulling structure female die plate (1), an inserting rod (11) is fixedly connected to the lower end face of a piston rod (9) of the air cylinder (10), a core pulling connecting block (6) is movably placed in the rectangular notch (4), and the upper portion of the core pulling connecting block (6) is vertically and downwards communicated with a vertical through hole;

the insertion rod (11) vertically penetrates through the vertical through hole (12); a through hole (2) is horizontally formed in the right side wall of the core-pulling structure female die plate (1) positioned in the middle of the right side of the rectangular notch (4), a limiting rod (3) movably penetrates through the through hole (2), and the left end face of the limiting rod (3) is fixedly connected with the middle position of the right side wall of the core-pulling connecting block (6); the upper portion and the lower portion of the right side wall of the core-pulling connecting block (6) are fixedly connected with the inner wall of a rectangular notch (4) of the core-pulling structure female die plate (1) through a return spring (5).

2. The die-casting die spiral core-pulling mechanism as claimed in claim 1, wherein: the left side wall of the vertical through hole (12) is provided with an inclined plane (7).

3. The die-casting die spiral core-pulling mechanism as claimed in claim 1, wherein: the middle position of the upper part of the core-pulling structure female die plate (1) is vertically aligned with the rectangular notch (4) and is provided with a through hole (13).

4. The die-casting die spiral core-pulling mechanism as claimed in claim 1, wherein: the core pulling connecting block (6) right side wall is fixedly connected with the head end of the reset spring (5), and the tail end of the reset spring (5) is fixedly connected with the inner wall of the rectangular notch (4) of the core pulling structure female die plate (1).