CN112140485B

CN112140485B - Angle pin mechanism and mould in slider

Info

Publication number: CN112140485B
Application number: CN201910572916.7A
Authority: CN
Inventors: 郭明文
Original assignee: Mitac Precision Technology Kunshan Ltd
Current assignee: Mitac Precision Technology Kunshan Ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2022-07-15
Anticipated expiration: 2039-06-28
Also published as: CN112140485A

Abstract

The invention relates to the technical field of dies, and particularly discloses a slider inner angle pin mechanism and a die. The oblique pin mechanism in the sliding block comprises a sliding block insert, at least one oblique pin and a driving assembly. Wherein, the slide block insert is provided with at least one through hole; an angle pin is positioned in one through hole; one end of the angle pin and the slide block insert jointly participate in forming a product, and the other end of the angle pin extends out of the through hole and is connected with an angle pin seat in a sliding mode; the driving assembly is used for driving the sliding block insert to withdraw from the product along a first direction and driving the taper pin to withdraw from the product along a second direction. The inclined pin mechanism in the sliding block and the die can realize the molding of a product with back-off in the split die direction and the withdrawing direction.

Description

Angle pin mechanism and mould in slider

[ technical field ] A method for producing a semiconductor device

The invention relates to the technical field of dies, in particular to a slider inner angle pin mechanism and a die.

[ background ] A method for producing a semiconductor device

In the conventional injection mold, when a product having a reverse structure is molded, a slide block or a taper pin in the injection mold is generally used to mold a reverse portion of the product. However, for a product having undercuts in both the mold opening direction and the ejection direction, as shown in fig. 1, the product 100 has a first undercut 110 in the ejection direction and a second undercut 120 in the mold opening direction. When the existing injection mold is used for molding the product, the second reverse buckle 120 protrudes, so that the sliding block or the taper pin can be prevented from smoothly exiting the product.

Therefore, there is a need for a slider inner angle pin mechanism and a mold to solve the above problems.

[ summary of the invention ]

The invention aims to provide an inner inclined pin mechanism of a sliding block and a die, which can realize the molding of a product with back-off in the die parting direction and the withdrawing direction.

In order to achieve the purpose, the invention adopts the following technical scheme:

an inner slide angle pin mechanism comprising:

the sliding block insert is provided with at least one through hole;

at least one angle pin, one of the angle pins being located in one of the through holes; one end of the angle pin and the sliding block insert jointly participate in forming a product, and the other end of the angle pin extends out of the through hole and is connected with an angle pin seat in a sliding mode; and

and the driving assembly drives the sliding block insert to withdraw from the product along a first direction and drives the angle pin to withdraw from the product along a second direction.

Preferably, the driving assembly comprises a slider body and a first oil cylinder; the sliding block body is connected with the piston end of the first oil cylinder and is in sliding connection with the sliding block insert.

Preferably, the slider body and the angle pin are arranged in a space-saving manner.

As a preferred preference of the invention, the driving assembly comprises a deflector rod and a second oil cylinder; one end of the driving lever is connected with the piston end of the second oil cylinder, and the other end of the driving lever is movably inserted into the sliding block insert.

A mould comprises a male mould core, a male mould plate and a base plate; the mould also comprises the inclined pin mechanism in the sliding block; an accommodating groove is formed in the top surface of the base plate, and the inclined pin base is fixed in the accommodating groove; the angle pin penetrates through the male template and the male die core; the driving component is arranged in the male template; the slide block insert penetrates through the male die core.

The invention has the beneficial effects that: according to the slide block inner angle pin mechanism and the mold, under a mold closing state, a slide block insert and an angle pin jointly participate in forming a product; after the mould is opened, under the driving action of the driving assembly, the slide block insert can exit the product along the first direction, and meanwhile, the taper pin is driven to exit the product along the second direction; thereby realized having both had the product of back-off to the split die direction and withdraw from the direction and shaped, simple structure, processing is simple and easy, simple to operate, with low costs.

[ description of the drawings ]

FIG. 1 is a schematic diagram of a prior art product;

FIG. 2 is a schematic structural diagram of the mold provided by the invention in a mold closing state;

FIG. 3 is an enlarged partial schematic view of FIG. 2;

FIG. 4 is a schematic structural diagram of the mold provided by the invention in the mold-opened state;

FIG. 5 is an enlarged partial schematic view of FIG. 4;

FIG. 6 is a schematic perspective view of the inner cam mechanism of the slider according to the present invention;

FIG. 7 is a schematic perspective view of the inner angle pin mechanism of the slider provided by the present invention;

FIG. 8 is an exploded view of the inner cam mechanism of the slider provided by the present invention;

fig. 9 is an exploded view of the skew pin mechanism in a slider at another angle according to the present invention.

[ detailed description ] A

The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.

As shown in fig. 2 to 9, an inner slide angle pin mechanism includes a slide insert 10, at least one angle pin 20, and a driving assembly 30. Wherein, the slide block insert 10 is provided with at least one through hole; an angle pin 20 is located in one of the through holes; one end of the taper pin 20 and the slider insert 10 participate in the molded product 100, and the other end of the taper pin extends out of the through hole and is connected with a taper pin seat 21 in a sliding manner; the driving assembly 30 is used for driving the slider insert 10 to exit the product 100 in a first direction, and simultaneously driving the angle pin 20 to exit the product 100 in a second direction.

Specifically, in the slider inner angle pin mechanism, the slider insert 10 is used for forming a first reverse buckle 110 of the product 100; the taper pin 20 is used for forming the second reverse 120 of the product 100, or the taper pin 20 and the slide block insert 10 cooperate to form the second reverse 120 of the product 100, which is selected according to the specific structure shape of the second reverse 120. As shown in fig. 1, in the product 100, since the second reverse buckle 120 is cylindrical, the second reverse buckle 120 of the product 100 is preferably formed by the cooperation of the angle pin 20 and the slide insert 10.

Furthermore, the central axis direction of the through hole formed in the slider insert 10 and the exit direction of the slider insert 10 form an included angle. In addition, the number of the through holes and the taper pins 20 should be set according to the structure of the product 100. The product 100 shown in fig. 1 has two second undercuts 120, so that two through holes are provided at intervals in the slider insert 10 and two angle pins 20 are provided.

As an embodiment of the present invention, the driving assembly 30 includes a slider body 31 and a first cylinder 32; one end of the slider body 31 is connected to the piston end of the first cylinder 32, the other end is provided with an inclined chute, and one end of the slider insert 10 is slidably connected to the chute. Further, the slider body 31 and the taper pin 20 are spaced apart from each other to prevent interference therebetween.

As another embodiment of the present invention, the driving assembly 30 includes a shift lever and a second cylinder; one end of the deflector rod is connected with the piston end of the second oil cylinder, and the other end of the deflector rod is movably inserted into the sliding block insert 10.

The invention also provides a die which comprises the slide block inner oblique pin mechanism, a female die plate 40, a female die core 50, a male die plate 60, a male die core 70 and a backing plate 80. Wherein, the top surface of the backing plate 80 is provided with an accommodating groove, and the inclined pin seat 21 is fixed in the accommodating groove; the angle pins 20 are arranged through the male template 60 and the male mold core 70; the drive assembly 30 is disposed within the core plate 60; the slide insert 10 extends through the core insert 70.

In the mold of the present invention, in the closed state, the slide insert 10 and the angle pin 20 cooperate with the core insert 70 and the cavity insert 50 under the pressure of the first oil cylinder 32 or the second oil cylinder to form the product 100, as shown in fig. 2 and 3; after the mold is opened, under the driving action of the first oil cylinder 32 or the second oil cylinder, the slide insert 10 is made to exit the product 100 in the first direction, and at the same time, the taper pin 20 is driven to slide relative to the taper pin seat 21, so that the taper pin 20 exits the product 100 in the second direction, as shown in fig. 4 and 5.

Therefore, by adopting the slide block inner angle pin mechanism and the mold, the product with the back-off in the mold opening direction and the mold withdrawing direction can be molded, and the slide block inner angle pin mechanism and the mold have the advantages of simple structure, easiness in processing, convenience in installation and low cost.

The technical principles of the present invention have been described above in connection with specific embodiments, which are intended to explain the principles of the present invention and should not be construed as limiting the scope of the present invention in any way. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.

Claims

1. An inner angle pin mechanism of a slide block is characterized by comprising:

the sliding block insert is provided with at least one through hole;

at least one angle pin, one said angle pin located in one said through hole; one end of the taper pin and the slide block insert jointly participate in forming a product, and the other end of the taper pin extends out of the through hole and is connected with a taper pin seat in a sliding mode; and

the driving assembly drives the sliding block insert to exit the product along a first direction and drives the angle pin to exit the product along a second direction;

the driving assembly comprises a sliding block body and a first oil cylinder; the sliding block body is connected with the piston end of the first oil cylinder and is in sliding connection with the sliding block insert;

the slider body and the taper pin are arranged in a clearance mode.

2. The slider inner angle pin mechanism of claim 1, wherein the driving assembly comprises a driving lever and a second oil cylinder; one end of the driving lever is connected with the piston end of the second oil cylinder, and the other end of the driving lever is movably inserted into the sliding block insert.

3. A mould comprises a male mould core, a male mould plate and a base plate; wherein the mold further comprises the slide inner angle pin mechanism of claim 1 or 2; the top surface of the backing plate is provided with an accommodating groove, and the inclined pin base is fixed in the accommodating groove; the angle pin penetrates through the male template and the male die core; the driving assembly is arranged in the male template; the slide block insert penetrates through the male die core.