CN210755093U

CN210755093U - Shift lever die casting die time delay demolding device

Info

Publication number: CN210755093U
Application number: CN201921859964.6U
Authority: CN
Inventors: 周泊呈; 徐建烽
Original assignee: Guizhou Huachang Automobile Electrics Co ltd
Current assignee: Guizhou Huachang Automobile Electrics Co ltd
Priority date: 2019-10-31
Filing date: 2019-10-31
Publication date: 2020-06-16
Anticipated expiration: 2029-10-31

Abstract

The utility model discloses a time-delay demolding device of a driving lever die-casting die, which comprises a fixed die component, wherein a movable die component is arranged below the fixed die component; the fixed die assembly comprises a fixed die plate, and a fixed die cavity plate is arranged below the fixed die plate; the movable mold component comprises a movable mold plate, and a movable mold cavity plate is arranged on the movable mold plate; two sides of the movable model cavity plate are respectively provided with two delay mechanisms; the delay mechanism comprises a slide block pressing strip, a delay slide block seat is arranged beside the slide block pressing strip, one end of a delay core pulling is arranged on the delay slide block seat, and the other end of the delay core pulling is arranged between the fixed model cavity plate and the movable model cavity plate; the delay sliding block seat is movably connected with the fixed die plate through an inclined guide post. When the deflector rod is subjected to die casting and demolding, a time delay mechanism is added, and the part is subjected to demolding after being drawn out. The problem of demolding deformation of automobile lock deflector rod parts is effectively solved, and the consistency of part quality, process and product assembly is ensured, so that the production process control is simplified, the production efficiency of products is improved, and the qualification rate of the products is improved.

Description

Shift lever die casting die time delay demolding device

Technical Field

The utility model relates to an automobile parts technical field, especially a driving lever die casting die time delay demolding device.

Background

In the structural design of the die-casting die, a plurality of slender rod-shaped parts are often greatly different in local and overall holding force, and when the abnormal shape of the parts cannot realize ejection balance, the large deformation proportion of the deformation of the mold-stripping parts is large, so that the parts are scrapped, the difficulty of adding tools in the later period is large, the production efficiency is low, and the quality is difficult to guarantee.

The production of the deflector rod has the problems that: the deflector rod is a zinc alloy die casting, the part structure is shown in figure 18, the part assembly is 73.35mm, the diameter is phi 6.4mm, the part has 24-degree cross-flower angle at one point and is distributed in a fan shape, the thickness is only 2.3mm, the part structure determines that the part wrapping force at the cross-flower position is large when the die is produced and is discharged, and the smooth wrapping force of the rest surfaces of the part is small, so that the part has tensile stress of deforming towards the fixed die. Therefore, the shifting lever tends to bend towards the fixed die when the die is opened.

In order to solve the problem that the deflector rod can be opened, the mold opening device needs to be improved.

Disclosure of Invention

An object of the utility model is to provide a driving lever die casting die time delay demolding device. The utility model discloses the structure increases delay mechanism when driving lever die-casting demolding, has solved a problem that automobile lock driving lever class part demolding warp effectively, can improve product percent of pass and production efficiency.

The technical scheme of the utility model: a shifting lever die-casting die delay demolding device comprises a fixed die assembly, wherein a movable die assembly is arranged below the fixed die assembly; the fixed die assembly comprises a fixed die plate, and a fixed die cavity plate is arranged below the fixed die plate; the movable mold component comprises a movable mold plate, and a movable mold cavity plate is arranged on the movable mold plate; two sides of the movable model cavity plate are respectively provided with two delay mechanisms; the delay mechanism comprises a slide block pressing strip, a delay slide block seat is arranged beside the slide block pressing strip, one end of a delay core pulling is arranged on the delay slide block seat, and the other end of the delay core pulling is arranged between the fixed model cavity plate and the movable model cavity plate; the delay sliding block seat is movably connected with the fixed die plate through an inclined guide post. All the structures can work in a matching way, so that four inclined guide post arranging channels are arranged in the fixed die plate. One end of the delay loose core is connected with the delay sliding block seat through a screw, the other end of the delay loose core extends into a position between the fixed model cavity plate and the movable model cavity plate, and grooves matched with the shapes of the upper part and the lower part of the delay loose core are respectively arranged on the fixed model cavity plate and the movable model cavity plate. The edge of the preferred movable mould plate is provided with a limit screw.

In the shifting lever die-casting die delay demolding device, a locking block is arranged beside the delay sliding block seat and connected with the fixed die plate through a screw.

In the shifting lever die-casting die delay demolding device, the centers of the fixed mold plate and the fixed mold cavity plate are provided with the pouring gate assembly.

In the shifting rod die-casting die delay demolding device, the center of the movable die cavity plate is provided with the drainage cone.

In the shifting rod die-casting die delay demolding device, the lower part of the movable die plate is provided with the ejector pin, the ejector pin is arranged in the ejector pin fixing plate, the ejector pin fixing plate is connected with the push plate, and the push plate is connected with the bottom plate through the connector assembly; and the two sides of the push plate are respectively provided with a mold foot, and the mold feet are arranged between the movable mold plate and the bottom plate.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses an inventor is according to the demolding condition of driving lever part, through the structure and the production condition analysis to the part, finds to satisfy under the condition that the part burring process is simple to guarantee the part qualification rate again, and this die design should satisfy two conditions, condition one: the sprue is conveniently removed in the subsequent process, and the thickness and the width of the sprue cannot be increased to enable the part to be tightly attached to the movable die so as to achieve the balance of the part wrapping force; and a second condition: in order to improve the qualified rate of part production, the part die sinking deformation needs to be solved.

According to the analysis, the production of the die is realized by determining the design that each cavity of the part is subjected to delay demolding and core pulling, so that the part can be pressed by the delay core pulling without deformation when the die is opened, and the condition that the part is bent due to the fact that the part generates large holding force on the fixed die is prevented.

The utility model discloses the structure increases time delay mechanism when driving lever die-casting demolding, takes out the back part and carries out the demolding again. The problem of demolding deformation of the automobile lock poking rod type part is effectively solved, and the consistency of the quality, the process and the product assembly of the part is guaranteed, so that the control of the production process is simplified, the production efficiency of the product is improved, the quality of the part is also guaranteed, and the qualification rate of the product is improved.

Drawings

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

fig. 2 is an exploded view of the present invention;

FIG. 3 is a schematic structural diagram of a fixed die plate;

FIG. 4 is a schematic structural view of the fixed mold cavity plate of the present invention;

FIG. 5 is a schematic structural view of a moving platen;

FIG. 6 is a schematic structural view of a moving mold cavity plate;

FIG. 7 is a schematic view of the structure of the delay slider mount and its attachment;

FIG. 8 is a schematic structural diagram of a delayed core pulling;

FIG. 9 is a schematic structural view of a gate assembly;

FIG. 10 is a schematic structural view of a drainage cone;

FIG. 11 is a schematic structural view of the thimble;

FIG. 12 is a schematic structural view of the needle fixing plate;

FIG. 13 is a schematic view of the construction of a pusher plate;

FIG. 14 is a schematic structural view of the connector assembly;

FIG. 15 is a schematic view of the construction of the base plate;

FIG. 16 is a schematic view of the construction of the mold foot;

fig. 17 is a schematic diagram of the arrangement position of the delay structure in the present invention;

fig. 18 is a schematic structural view of the shift lever.

Description of reference numerals: 1-fixed mould plate, 2-fixed mould cavity plate, 3-movable mould plate, 4-movable mould cavity plate, 5-slide block press bar, 6-time delay slide block seat, 7-time delay loose core, 8-inclined guide post, 9-locking block, 10-sprue component, 11-drainage cone, 12-thimble, 13-thimble fixing plate, 14-push plate, 15-connector component, 16-bottom plate, 17-mould foot, 18-deflector rod and 19-deflector rod bend.

Detailed Description

The following description is made with reference to the accompanying drawings and examples, but not to be construed as limiting the invention. The structures or processes not specifically mentioned are conventional in the art.

Examples are given. A shifting lever die-casting die delay demolding device is structurally shown in figures 1-17 and comprises a fixed die assembly, wherein a movable die assembly is arranged below the fixed die assembly; the fixed die assembly comprises a fixed die plate 1, and a fixed die cavity plate 2 is arranged below the fixed die plate 1; the movable mould component comprises a movable mould plate 3, and a movable mould cavity plate 4 is arranged on the movable mould plate 3; two sides of the movable model cavity plate 4 are respectively provided with two delay mechanisms; the delay mechanism comprises a slide block pressing strip 5, a delay slide block seat 6 is arranged beside the slide block pressing strip 5, one end of a delay core pulling 7 is arranged on the delay slide block seat 6, and the other end of the delay core pulling 7 is arranged between the fixed model cavity plate 2 and the movable model cavity plate 4; the time-delay slide block seat 6 is movably connected with the fixed die plate 1 through an inclined guide post 8. All the structures can work in a matching way, so that four inclined guide post arranging channels are arranged in the fixed die plate 1. One end of the delay loose core 7 is connected with the delay slider seat 6 through a screw 7, the other end of the delay loose core 7 extends into the space between the fixed mould cavity plate 2 and the movable mould cavity plate 4, and grooves matched with the shapes of the upper part and the lower part of the delay loose core 7 are respectively arranged on the fixed mould cavity plate 2 and the movable mould cavity plate 4. The edge of the preferred movable mould plate 3 is provided with a limit screw.

And a locking block 9 is arranged beside the time-delay slide block seat 6, and the locking block 9 is connected with the fixed template 1 through a screw.

And a gate component 10 is arranged at the center of the fixed die plate 1 and the fixed die cavity plate 2.

And a drainage cone 11 is arranged at the center of the movable mould cavity plate 4.

The lower part of the movable template 3 is provided with an ejector pin 12, the ejector pin 12 is arranged in an ejector pin fixing plate 13, the ejector pin fixing plate 13 is connected with a push plate 14, and the push plate 14 is connected with a base plate 16 through a connector assembly 15; two sides of the push plate 14 are respectively provided with a mold foot 17, and the mold feet 17 are arranged between the movable mold plate 3 and the bottom plate 16.

The utility model discloses a use method and theory of operation: when the die is closed, the movable die plate 3 and the fixed die plate 1 of the die are pushed to partially close the die under the action of die casting equipment (a die casting machine), and the delayed core pulling 7 connected with the delayed slide block seat 6 is driven to close the die through the guide of the inclined guide pillar 8; and when the locking block 9 is attached to the delay slide block seat 6, alloy injection is performed. And when the part is injected, finishing the pressure maintaining time. When the die is opened, the movable die and the fixed die of the die are opened under the action of die casting equipment, and when the deflector rod part is separated from the movable die plate 3 and the fixed die plate 1 instantly, the inclined guide post 8 and the delay slider seat 6 are connected for a certain delay time, so that the delay core-pulling 7 is temporarily fixed on the deflector rod part and can not move, the deflector rod part can be prevented from deforming and bending due to the tightening force generated by the fixed die part, and the shape and the quality of the deflector rod part are ensured. And at the second time after the movable die and the fixed die are separated, the delay slide block seat 6 starts to delay and pull out the deflector rod part through the driving of the inclined guide post 8. Under the movement of the delay slide block seat 6, the delay loose core 7 is drawn out of the deflector rod part. And finally, ejecting the deflector rod part by using the ejector pin fixing plate 13 and the ejector pin 12 through the force acting on the push plate 14 through the ejection part of the oil cylinder of the die casting equipment.

Claims

1. The utility model provides a driving lever die casting die mold release device that delays which characterized in that: the device comprises a fixed die component, wherein a movable die component is arranged below the fixed die component; the fixed die assembly comprises a fixed die plate (1), and a fixed die cavity plate (2) is arranged below the fixed die plate (1); the movable mould component comprises a movable mould plate (3), and a movable mould cavity plate (4) is arranged on the movable mould plate (3); two sides of the movable model cavity plate (4) are respectively provided with two time delay mechanisms; the delay mechanism comprises a slide block pressing strip (5), a delay slide block seat (6) is arranged beside the slide block pressing strip (5), one end of a delay core pulling (7) is arranged on the delay slide block seat (6), and the other end of the delay core pulling (7) is arranged between the fixed model cavity plate (2) and the movable model cavity plate (4); the time-delay slide block seat (6) is movably connected with the fixed die plate (1) through an inclined guide post (8).

2. The shifting lever die-casting die delay demolding device of claim 1, characterized in that: and a locking block (9) is arranged beside the delay slide block seat (6), and the locking block (9) is connected with the fixed template (1) through a screw.

3. The shifting lever die-casting die delay demolding device of claim 1, characterized in that: and a pouring gate component (10) is arranged at the centers of the fixed die plate (1) and the fixed die cavity plate (2).

4. The shifting lever die-casting die delay demolding device of claim 1, characterized in that: and a drainage cone (11) is arranged at the center of the movable model cavity plate (4).

5. The shifting lever die-casting die delay demolding device of claim 1, characterized in that: the lower part of the movable template (3) is provided with an ejector pin (12), the ejector pin (12) is arranged in an ejector pin fixing plate (13), the ejector pin fixing plate (13) is connected with a push plate (14), and the push plate (14) is connected with a base plate (16) through a connector component (15); and two sides of the push plate (14) are respectively provided with a mould foot (17), and the mould feet (17) are arranged between the movable mould plate (3) and the bottom plate (16).