CN220297701U

CN220297701U - Injection mold with seesaw ejection structure

Info

Publication number: CN220297701U
Application number: CN202321822210.XU
Authority: CN
Inventors: 原有学
Original assignee: Kunshan Dongyuan Mingxin Mould Co ltd
Current assignee: Kunshan Dongyuan Mingxin Mould Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-01-05
Anticipated expiration: 2033-07-12

Abstract

The utility model discloses an injection mold with a seesaw ejection structure, which comprises a fixed mold core, a movable mold cushion plate, an ejector rod and an ejection assembly connected with the movable mold core and the movable mold cushion plate, and an ejector rod plate and an ejector rod bottom plate connected with the ejector rod and the ejection assembly, wherein the seesaw is arranged on one side of the ejector rod bottom plate, one side of the seesaw is connected with the bottom of the ejector rod, the other side of the seesaw is connected with the ejection assembly, and the ejection assembly comprises a mold core connected with the movable mold core and the movable mold cushion plate, and a mold core fixing block arranged at the bottom of the mold core and connected with the ejector rod plate and the seesaw. This application simple structure, convenient to use through setting up the mould benevolence core of loosing core in the position of the deeper bone of product or drum department, makes the tight power of package on the mould benevolence of position of bone or drum place reduce to the product of messenger is convenient for the drawing of patterns, reduces the risk that the product was blocked.

Description

Injection mold with seesaw ejection structure

Technical Field

The application belongs to the injection mold field, concretely relates to injection mold with see-saw ejecting structure.

Background

In a plastic mold, the deeper bone position or cylinder in the product is easy to be blocked after ejection, so that the product is often prevented from being blocked in order to be separated effectively, and the product is often completely separated by adopting two sets of ejection mechanisms, so that the product forming period is long and the efficiency is low.

Disclosure of Invention

The utility model aims to provide an injection mold with a seesaw ejection structure, so as to solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an injection mold with seesaw ejection structure, includes cover half benevolence, movable mould benevolence and movable mould gasket, still include with movable mould benevolence with ejector pin and ejecting subassembly and with ejector pin and ejector pin bottom plate that movable mould gasket is connected, ejector pin bottom plate is located one side of ejector pin plate installs the seesaw, one side of seesaw with the bottom of ejector pin is connected, the opposite side with ejecting subassembly is connected, ejecting subassembly including connect in movable mould benevolence with the mould benevolence core of movable mould gasket is located mould benevolence core bottom, and with the ejector pin plate with the mould benevolence fixed block that the seesaw is connected.

According to the technical scheme, when the die is closed, the fixed die core and the movable die core are closed, the ejector rod is pressed back, the seesaw is pressed against the die core on the ejection assembly to be closed at a fixed position, so that the die core is stabilized in the die cavity, is not easy to fall off and is not easy to press die.

As a preferable scheme of the application, a return spring is arranged on one side of the die core fixing block, which is positioned on the movable die base plate.

The technical scheme is realized so as to push the die core fixing block to drive the die core to retract when the die is opened.

As a preferred scheme of the application, the die core fixing block comprises a die core plate connected with the die core and a die core bottom plate arranged at the bottom of the die core plate, and the die core bottom plate is fixed with the die core plate through screws.

The technical scheme is realized so as to fix the die core on the die core fixing block.

As a preferable scheme of the application, a groove for installing the seesaw is formed in the ejector rod bottom plate, and a die core limiting groove is formed in one side of the groove.

The technical scheme is realized so as to control the moving distance of the die core when the die is opened.

As a preferable scheme of the application, a sliding groove for the movement of the ejector rod is formed in the movable die core, the movable die base plate and the ejector rod plate, and an ejector rod limiting groove connected with the sliding groove is formed in one side of the ejector rod base plate by the ejector rod plate.

The technical scheme is realized and is used for controlling the moving distance of the ejector rod during mold opening.

As a preferable scheme of the application, the ejector rod is arranged on one side of the movable mould core, which is far away from the mould cavity.

The technical scheme is realized, so that when the die is closed, the ejector rod is pressed back through the fixed die core, the die core is reset in the die cavity, and the die is not easy to drop and die.

Compared with the prior art, the beneficial effects of this application are:

1. this application simple structure, convenient to use through setting up the mould benevolence core of loosing core in the position of the deeper bone of product or drum department, makes the tight power of package on the mould benevolence of position of bone or drum place reduce to the product of messenger is convenient for the drawing of patterns, reduces the risk that the product was blocked.

2. The utility model discloses a can utilize the seesaw structure to loose core when the die sinking, and need not to carry out the secondary and push out to effectively promote the shaping cycle of product, promote fashioned machining efficiency.

Drawings

Fig. 1 is a schematic diagram related to the present application.

In the figure: the mold comprises a fixed mold core 1, a movable mold core 2, a movable mold base plate 3, a push rod 4, a push rod plate 5, a push rod limiting groove 501, a push rod bottom plate 6, a groove 601, a mold core limiting groove 602, a seesaw 7, a mold core 8, a mold core fixing block 9 and a reset spring 10.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples

Referring to fig. 1, the injection mold with the see-saw plate ejection structure comprises a fixed mold core 1, a movable mold core 2 and a movable mold cushion plate 3, wherein a push rod 4 and an ejection assembly are arranged on the movable mold core 2 and the movable mold cushion plate 3, the push rod 4 and the ejection assembly are connected with a push rod plate 5 and a push rod bottom plate 6 at the bottom of the movable mold cushion plate 3, a groove 601 is formed in one side of the push rod bottom plate 6, a see-saw plate 7 is arranged in the groove 601, one side of the see-saw plate 7 is connected with the bottom of the push rod 4, the other side is connected with the bottom of the ejection assembly, and the ejection assembly comprises a mold core 8 connected with the movable mold core 2 and the movable mold cushion plate 3 and a mold core fixing block 9 arranged at the bottom of the mold core 8 and connected with the push rod 5 and the see-saw plate 7. In this embodiment, a return spring 10 is installed on one side of the die core fixing block 9 located on the movable die cushion plate 3, and is used for pushing the die core fixing block 9 to drive the die core 8 to withdraw core during die opening. In other embodiments, the return spring 10 may be used to be mounted at one side of the seesaw 7.

Referring to fig. 1, in order to facilitate the fixation of the core 8. In this embodiment, the mold core fixing block 9 includes a mold core plate connected to the mold core 8 and a mold core bottom plate disposed at the bottom of the mold core plate, and the mold core bottom plate is fixed to the mold core plate by screws.

Referring to fig. 1, in order to control the moving distance of the core 8. In this embodiment, a die core limiting groove 602 is formed on one side of the groove 601, and the depth of the die core limiting groove 602 is set at 5mm. In other embodiments, the depth of the core limit groove 602 may be set at 3-8mm.

Referring to fig. 1, in order to facilitate movement of the ejector pin 4 and control the movement distance of the ejector pin 4 during mold opening, in this embodiment, sliding grooves for moving the ejector pin 4 are formed in the movable mold core 2, the movable mold cushion plate 3 and the ejector pin plate 5, an ejector pin limiting groove 501 connected with the sliding grooves is formed in one side of the ejector pin bottom plate 6 of the ejector pin plate 5, and the movement distance of the ejector pin 4 in the ejector pin limiting groove 501 is greater than 1mm of the depth of the mold core limiting groove 602.

Referring to fig. 1, in order to facilitate mold closing, the ejector rod 4 is pushed back by the fixed mold core 1, so that the mold core 8 is reset in the mold cavity, and the falling and pressing mold are prevented. In this embodiment, the ejector rod 4 is disposed at a side of the movable mold core 2 away from the cavity.

Specifically, when the die is closed in actual use, the fixed die core 1 and the movable die core 2 are closed, the ejector rod 4 is pressed back, and the seesaw 7 is pressed against the die core 8 on the ejection assembly to be closed at a fixed position, so that the die core 8 is stabilized in the die cavity, and falling and pressing die are prevented; when the die is opened, the fixed die core 1 and the movable die core 2 are separated, and the ejection assembly retreats to loose core under the action of the reset spring 10.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein 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 with seesaw ejection structure, includes cover half benevolence (1), movable mould benevolence (2) and movable mould backing plate (3), its characterized in that still include with movable mould benevolence (2) with ejector pin (4) and ejecting subassembly and with ejector pin (4) with ejector pin board (5) and ejector pin bottom plate (6) that ejecting subassembly is connected, ejector pin bottom plate (6) are located seesaw (7) are installed to one side of ejector pin board (5), one side of seesaw (7) with the bottom of ejector pin (4) is connected, the opposite side with ejecting subassembly is connected, ejecting subassembly including connect in movable mould benevolence (2) with mould benevolence core (8) of movable mould backing plate (3) and locate mould benevolence core (8) bottom, and with ejector pin board (5) with mould benevolence fixed block (9) that seesaw (7) are connected.

2. The injection mold with the see-saw ejection structure according to claim 1, wherein a return spring (10) is arranged on one side of the mold insert fixing block (9) located on the movable mold base plate (3).

3. The injection mold with the see-saw ejector structure according to claim 1, wherein the mold core fixing block (9) comprises a mold core plate connected to the mold core (8) and a mold core bottom plate arranged at the bottom of the mold core plate, and the mold core bottom plate is fixed with the mold core plate through screws.

4. The injection mold with the see-saw ejection structure according to claim 1, wherein a groove (601) for installing the see-saw (7) is formed in the ejector rod bottom plate (6), and a mold core limit groove (602) is formed in one side of the groove (601).

5. The injection mold with the see-saw ejection structure according to claim 1, wherein a sliding groove for moving the ejector rod (4) is formed in the movable mold core (2), the movable mold base plate (3) and the ejector rod plate (5), and an ejector rod limiting groove (501) connected with the sliding groove is formed in one side of the ejector rod base plate (6) of the ejector rod plate (5).

6. The injection mold with the see-saw ejection structure according to claim 1, wherein the ejector rod (4) is arranged at one side of the movable mold core (2) away from the cavity.