CN216068492U

CN216068492U - Antiseized mould structure of loosing core

Info

Publication number: CN216068492U
Application number: CN202121998076.XU
Authority: CN
Inventors: 南寿玄
Original assignee: Dongguan Yejia Electronic Technology Co ltd
Current assignee: Dongguan Yejia Electronic Technology Co ltd
Priority date: 2021-08-24
Filing date: 2021-08-24
Publication date: 2022-03-18
Anticipated expiration: 2031-08-24

Abstract

The utility model provides an anti-sticking mold core-pulling structure which comprises a mold core and a support positioned on one side of the mold core, wherein a sliding groove is formed in the support, a slide seat is arranged in the sliding groove, a driving device is fixed at one end of the support, the output end of the driving device is fixedly connected with one end of the slide seat, a first slide insert is fixed at one end of the slide seat, a second slide insert is further arranged on one side of the slide seat, the second slide insert is sleeved on the outer side of the first slide insert, a blocking strip is fixed at the bottom of the second slide insert, a stop block is arranged on one side of the blocking strip, a groove for the blocking strip to pass through is formed in the middle of the upper end of the stop block, a spring is connected to the lower end of the stop block, a pressing block is fixed at the bottom of the slide seat, and the pressing block is positioned on one side of the stop block. The mold core-pulling structure can solve the problem that a product is adhered to the first slide insert, is simple in structure and accelerates the product demolding efficiency.

Description

Antiseized mould structure of loosing core

Technical Field

The utility model relates to the technical field of molds, in particular to an anti-sticking mold core-pulling structure.

Background

At present, the mold is various molds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging molding, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The processing of the appearance of an article is realized mainly through the change of the physical state of a formed material. The mold generally comprises parts such as a male mold, a female mold, a loose core, an ejector pin and the like, and in the loose core structure in the prior art, the product is easy to adhere to the loose core in the loose core extraction process, so that the product demolding effect is influenced.

SUMMERY OF THE UTILITY MODEL

Aiming at the problems, the utility model provides an anti-sticking mold core-pulling structure which can solve the problem that a product is adhered to a first slide insert, has a simple structure and accelerates the product demolding efficiency.

In order to achieve the purpose, the utility model is solved by the following technical scheme:

the utility model provides an antiseized mould structure of loosing core, includes mould benevolence, is located the support of mould benevolence one side, be equipped with the spout on the support, be equipped with the line position seat in the spout, support one end is fixed with drive arrangement, drive arrangement's output with line position seat one end fixed connection, line position seat one end is fixed with the first position mold insert of going, line position seat one side still is equipped with the second and goes the position mold insert of going, the second is gone the position mold insert cover and is established the first position mold insert outside of going, the second is gone position mold insert bottom and is fixed with the blend stop, blend stop one side is equipped with the dog, dog upper end middle part is equipped with the confession the recess that the blend stop passed, the dog lower extreme is connected with the spring, it is fixed with the briquetting to go position seat bottom, the briquetting is located dog one side.

Specifically, the upper end of the mold core is provided with a cavity, and one end of the first positioning insert extends to the inner side of the cavity.

Specifically, the lower end of the stop block is provided with a first inclined guide surface and a second inclined guide surface.

Specifically, the bottom of the sliding groove is also provided with a strip-shaped groove for the barrier strip to slide.

Specifically, the edge of the inner side of the sliding groove is also provided with a limiting strip.

Specifically, the driving device is an oil cylinder or an air cylinder.

The utility model has the beneficial effects that:

according to the core-pulling structure of the mold, the driving device is utilized to pull the slide seat and the first slide insert, the second slide insert and the stop bar are fixed under the blocking action of the stop block, so that the first slide insert is firstly separated from the injection-molded product, and in the moving process of the slide seat, the stop block is pressed downwards by the pressing block to enable the stop bar to pass through the groove, and finally the second slide insert is separated from the injection-molded product.

Drawings

Fig. 1 is a first three-dimensional structure diagram of an anti-sticking mold core-pulling structure according to the present invention.

Fig. 2 is a second perspective view of the anti-sticking mold core-pulling structure of the present invention.

Fig. 3 is a top view of an anti-sticking mold core-pulling structure according to the present invention.

Fig. 4 is a cross-sectional view taken along the plane a-a in fig. 3.

Fig. 5 is a bottom view of an anti-sticking mold core-pulling structure according to the present invention.

Fig. 6 is a cross-sectional view taken along plane B-B of fig. 5.

FIG. 7 is a schematic structural view of an injection molded article.

The reference signs are: the injection molding die comprises a die core 1, a die cavity 11, a limiting strip 12, a support 2, a sliding groove 21, a strip-shaped groove 22, a slide seat 3, a driving device 4, a first slide insert 5, a second slide insert 6, a barrier strip 7, a stop block 8, a groove 81, a first inclined guide surface 82, a second inclined guide surface 83, a spring 9, a pressing block 10 and an injection molding product 20.

Detailed Description

The present invention will be described in further detail with reference to examples and drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1-7:

an anti-sticking mold core-pulling structure comprises a mold core 1 and a support 2 positioned on one side of the mold core 1, wherein the support 2 is provided with a chute 21, a slide seat 3 is arranged in the chute 21, one end of the support 2 is fixedly provided with a driving device 4, the output end of the driving device 4 is fixedly connected with one end of the slide seat 3, one end of the slide seat 3 is fixedly provided with a first slide insert 5, the upper end of the mold core 1 is provided with a mold cavity 11, one end of the first slide insert 5 extends to the inner side of the mold cavity 11, one side of the slide seat 3 is also provided with a second slide insert 6, the second slide insert 6 is sleeved on the outer side of the first slide insert 5, the bottom of the second slide insert 6 is fixedly provided with a baffle strip 7, one side of the baffle strip 7 is provided with a stop block 8, the middle part of the upper end of the stop block 8 is provided with a groove 81 for the baffle strip 7 to pass through, the lower end of the stop block 8 is connected with a spring 9, the bottom of the slide seat 3 is fixedly provided with a press block 10, the press block 10 is positioned on one side of the stop block 8, and an injection molded product 20 is molded in the mold cavity 11, after the male mold and the female mold are opened, the driving device 4 is utilized to pull the slide seat 3 and the first slide insert 5, the second slide insert 6 and the barrier strip 7 are fixed under the blocking action of the stop block 8, so that the first slide insert 5 is firstly separated from the injection molding product 20, and in the moving process of the slide seat 3, the spring 9 is connected to the lower end of the stop block 8, the press block 10 can press the stop block 8 downwards, the barrier strip 7 can penetrate through the groove 81, and finally the second slide insert 6 is separated from the injection molding product 20.

Preferably, the stopper 8 has a first inclined guide surface 82 and a second inclined guide surface 83 at a lower end thereof so that the stopper 8 can be smoothly pushed down by the stopper 8.

Preferably, the bottom of the sliding groove 21 is further provided with a strip-shaped groove 22 for the barrier strip 7 to slide.

Preferably, the inner side edge of the sliding groove 21 is further provided with a limiting strip 12.

Preferably, the driving means 4 is a cylinder.

The above examples only show one embodiment of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The anti-sticking mold core-pulling structure is characterized by comprising a mold core (1) and a support (2) located on one side of the mold core (1), wherein a sliding groove (21) is formed in the support (2), a walking position seat (3) is arranged in the sliding groove (21), a driving device (4) is fixed at one end of the support (2), the output end of the driving device (4) is fixedly connected with one end of the walking position seat (3), a first walking position insert (5) is fixed at one end of the walking position seat (3), a second walking position insert (6) is further arranged on one side of the walking position seat (3), the second walking position insert (6) is sleeved on the outer side of the first walking position insert (5), a barrier strip (7) is fixed at the bottom of the second walking position insert (6), a stop block (8) is arranged on one side of the barrier strip (7), a groove (81) for the barrier strip (7) to pass through is formed in the middle of the upper end of the stop block (8), the lower end of the stop block (8) is connected with a spring (9), a pressing block (10) is fixed at the bottom of the slide seat (3), and the pressing block (10) is located on one side of the stop block (8).

2. The anti-sticking mold core-pulling structure as claimed in claim 1, wherein the mold core (1) has a cavity (11) at an upper end thereof, and one end of the first aligning insert (5) extends to the inner side of the cavity (11).

3. An anti-sticking mold core-pulling structure as claimed in claim 1, wherein the stopper (8) has a first inclined guide surface (82) and a second inclined guide surface (83) at the lower end.

4. The anti-sticking mold core-pulling structure as claimed in claim 1, wherein a strip-shaped groove (22) for the barrier strip (7) to slide is further formed at the bottom of the sliding groove (21).

5. The anti-sticking mold core-pulling structure is characterized in that a limiting strip (12) is further arranged at the edge of the inner side of the sliding groove (21).

6. The anti-sticking mold core-pulling structure as claimed in claim 1, wherein the driving device (4) is an oil cylinder or an air cylinder.