CN215550608U

CN215550608U - Injection mold core-pulling mechanism of automobile lamp shell

Info

Publication number: CN215550608U
Application number: CN202122124134.2U
Authority: CN
Inventors: 王于峰
Original assignee: Taicang Zhixinli Plastic Mould Technology Co Ltd
Current assignee: Taicang Zhixinli Plastic Mould Technology Co Ltd
Priority date: 2021-09-04
Filing date: 2021-09-04
Publication date: 2022-01-18
Anticipated expiration: 2031-09-04

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an injection mold core pulling mechanism of an automobile lamp shell, which comprises a base and a pressing mold, wherein a linear guide rail is arranged above the base, supporting plates are respectively arranged on the left side and the right side above the linear guide rail, core pulling molds are respectively arranged above the supporting plates on the two sides, a fixed-hole core is inserted into a core pulling body, a bidirectional cylinder is arranged above the base, telescopic rods on the two sides of the bidirectional cylinder are respectively connected with the supporting plates on the two sides, a cooling groove is arranged on the pressing mold body, the device converts inclined holes on the automobile lamp shell into straight holes, then required straight holes can be formed on the automobile lamp shell through mold closing of the core pulling molds on the two sides, and then the core pulling can be completed by pushing the core pulling molds on the two sides to be separated through the bidirectional cylinder.

Description

Injection mold core-pulling mechanism of automobile lamp shell

Technical Field

The utility model relates to the technical field of injection molds, in particular to an injection mold core-pulling mechanism of an automobile lamp shell.

Background

The core pulling is used for processing the position on the parting surface of the product where the product cannot be demoulded, belongs to an inverted hook processing system, and is a structure of a mould. The core pulling can ensure the smooth demoulding of the product, and is also called as a sliding block. When the automobile lamp shell is subjected to injection molding, holes need to be formed in the side face of the rubber part, and after the mold is opened, if the core of the hole or the mold on the barb edge is not pulled out, a product cannot be taken out.

Be equipped with a plurality of mechanisms of loosing core on current automobile lamp body injection mold, avoid a plurality of mechanisms of loosing core to produce and interfere, can let it loose core the operation according to the order, can lead to the lamp body work piece to damage when the operation order mistake.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a core-pulling mechanism of an injection mold of an automobile lamp shell, which aims to solve the problem that a plurality of core-pulling mechanisms are arranged on the existing injection mold of the automobile lamp shell in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an injection mold mechanism of loosing core of car lamp shell, includes base and moulding-die, linear guide is installed to the top of base, the backup pad is all installed to linear guide's top left and right sides, both sides the core of taking out is all installed to the top of backup pad, it has the fixed-hole core to peg graft on the body of core of taking out, two-way cylinder is installed to the top of base, the telescopic link of two-way cylinder both sides is connected with the backup pad of both sides respectively, it has the cooling bath to begin on the body of moulding-die.

Preferably, the pressing die is positioned on the upper side of the core-pulling die, and the lower end of the pressing die is movably inserted into the inner cavity of the core-pulling die.

Preferably, the fixed hole core is movably inserted into the core drawing die body, and a return spring is arranged on the outer side of the core drawing die.

Preferably, a baffle is arranged on the body of the fixed-hole core, and one end of the return spring is attached to the baffle.

Preferably, the body of the core-pulling die is provided with an annular plate, the fixed-hole core penetrates through the annular plate, and the other end of the return spring is attached to the annular plate).

Compared with the prior art, the utility model has the beneficial effects that:

this device changes the straight hole with the inclined hole on the car lamp shell, then through the compound die of the core mould is taken out to both sides, can form the straight hole that needs on the car lamp shell, promotes both sides through two-way cylinder afterwards and looses the core mould separately, can accomplish to loose core, will decide the hole core setting on taking out the core mould, then drive by the mould of loosing core and decide the hole core and accomplish to loose core, can reduce the quantity of the mechanism of loosing core, and then conveniently loose core fast after finishing moulding plastics.

Drawings

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

FIG. 2 is a front view cross-sectional structural schematic of the present invention;

FIG. 3 is a schematic top view of the fixed-hole core of the present invention.

In the figure: the device comprises a base 1, a linear guide rail 2, a support plate 3, a core-pulling mold 4, a pressing mold 5, a hole-fixing core 6, a baffle 61, a return spring 7, an annular plate 8, a bidirectional cylinder 9 and a cooling tank 10.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.

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, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to 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 description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, the present invention provides a technical solution: an injection mold core-pulling mechanism of an automobile lamp shell comprises a base 1 and a pressing die 5, wherein a linear guide rail 2 is arranged above the base 1, supporting plates 3 are respectively arranged at the left side and the right side above the linear guide rail 2, the supporting plates 3 are arranged on sliding blocks of the linear guide rail 2, core-pulling dies 4 are respectively arranged above the supporting plates 3 at two sides, a fixed-hole die 6 is inserted and connected onto a body of each core-pulling die 4, the fixed-hole die 6 is kept horizontal, holes on the automobile lamp shell are provided with inclined holes and straight holes, and the inclined holes and the straight holes have no influence on the automobile lamp shell, the inclined holes are inconvenient to loose core, the inclined holes are converted into straight holes to facilitate core pulling, a bidirectional cylinder 9 is arranged above the base 1, telescopic rods on two sides of the bidirectional cylinder 9 are respectively connected with the supporting plates 3 on two sides, the two side supporting plates 3 can be driven by the bidirectional cylinder 9 to move reversely at a constant speed, and a cooling groove 10 is arranged on the body of the pressing die 5.

Moulding-die 5 is located the upside of taking out core 4, and the lower extreme activity of moulding-die 5 is pegged graft in the inner chamber of taking out core 4, and after the shaping of car lamp shell, both sides are taken out core 4 and are removed to both sides, and car lamp shell stays on moulding-die 5 this moment, then pushes out car lamp body downwards, and car lamp body receives decurrent gravity this moment, consequently can make the drawing of patterns of car lamp shell with less power.

The activity of fixed hole core 6 is pegged graft on taking out the body of mandrel 4, the outside of taking out the core 4 is provided with reset spring 7, reset spring 7 can promote fixed hole core 6 and remove to the inner chamber side of taking out core 4, thereby make fixed hole core 6 and moulding-die 5 laminate, when two take out the core 4 compound dies, if the extrusion force between fixed hole core 6 and moulding-die 5 is too big, moulding-die 5 also can promote fixed hole core 6 and remove to one side of keeping away from moulding-die 5 this moment, and then avoid the extrusion force between fixed hole core 6 and the moulding-die 5 too big.

Be provided with baffle 61 on the body of fixed hole core 6, reset spring 7's one end and the laminating of baffle 61, after two core pulling moulds 4 separately, baffle 61 can with the laminating of 4 bodies of core pulling mould, can drive fixed hole core 6 through core pulling mould 4 this moment and keep away from moulding-die 5, and then avoid fashioned car lamp shell to block fixed hole core 6.

Install annular slab 8 on the body of the core drawing mould 4, decide the hole core 6 and run through annular slab 8, seted up the mounting groove on the body of core drawing mould 4, decide the hole core 6 and peg graft in the mounting groove, reset spring 7 installs in the mounting groove, and annular slab 8 is used for sealing the mounting groove, and reset spring 7's the other end and the laminating of annular slab 8.

The working principle is as follows: during injection molding, the bidirectional cylinder 9 is started, the bidirectional cylinder 9 drives the support plates 3 to approach each other, the support plates 3 on the two sides drive the core-pulling molds 4 on the two sides to approach each other, after the core-pulling molds 4 on the two sides are attached, the pressing mold 5 is controlled to be matched with the core-pulling molds 4, and after the matching is finished, injection molding is started to be carried out on the inside of the core-pulling molds;

after the injection molding is finished, the two-way cylinder 9 is started, the two-way cylinder 9 pushes the support plate 3 to be away from each other, the two-side support plate 3 pushes the two-side core-pulling mold 4 to be away from each other, the two-side core-pulling mold 4 drives the fixed-hole core 6 to be away from the automobile lamp shell, then the pressing mold 5 is controlled to ascend, and the pressing mold 5 drives the automobile lamp shell to be separated from the core-pulling mold 4.

While there have been shown and described the fundamental principles and essential features of the utility model and advantages thereof, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model 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, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an injection mold mechanism of loosing core of car lamp shell, includes base (1) and moulding-die (5), its characterized in that: linear guide (2) are installed to the top of base (1), backup pad (3) are all installed to the top left and right sides of linear guide (2), both sides core (4) are all installed to the top of backup pad (3), it has fixed pore core (6) to peg graft on the body of core (4) to take out, two-way cylinder (9) are installed to the top of base (1), the telescopic link of two-way cylinder (9) both sides is connected with backup pad (3) of both sides respectively, cooling bath (10) have been seted up on the body of moulding-die (5).

2. The injection mold core-pulling mechanism of the automobile lamp housing as claimed in claim 1, characterized in that: the pressing die (5) is positioned on the upper side of the core-pulling die (4), and the lower end of the pressing die (5) is movably inserted into the inner cavity of the core-pulling die (4).

3. The injection mold core-pulling mechanism of the automobile lamp housing as claimed in claim 1, characterized in that: the fixed-hole core (6) is movably inserted into the core-pulling mold (4), and a return spring (7) is arranged on the outer side of the core-pulling mold (4).

4. The injection mold core-pulling mechanism for the lamp housing of the automobile according to claim 3, characterized in that: a baffle (61) is arranged on the body of the fixed-hole core (6), and one end of the return spring (7) is attached to the baffle (61).

5. The injection mold core-pulling mechanism for the lamp housing of the automobile according to claim 3, characterized in that: the core-pulling die is characterized in that a ring-shaped plate (8) is installed on the body of the core-pulling die (4), the hole-fixing die (6) penetrates through the ring-shaped plate (8), and the other end of the return spring (7) is attached to the ring-shaped plate (8).